From f3bb4a03c2d6e24796facfb1349f038748ed3349 Mon Sep 17 00:00:00 2001
From: Yehuda Katz <wycats@gmail.com>
Date: Tue, 4 Jun 2019 14:42:31 -0700
Subject: [PATCH] Improve parser

---
 src/cli.rs                 |   80 +-
 src/commands/classified.rs |    2 +
 src/errors.rs              |   21 +
 src/evaluate/evaluator.rs  |    1 +
 src/format/table.rs        |   14 +-
 src/object/base.rs         |   12 +-
 src/object/desc.rs         |   23 +-
 src/parser.rs              |   47 +-
 src/parser/ast.rs          |  129 +-
 src/parser/lexer.rs        |   14 +-
 src/parser/parser.lalrpop  |  153 +-
 src/parser/parser.rs       | 4370 +++++++++++++++++++++++++++---------
 src/parser/registry.rs     |    1 +
 13 files changed, 3689 insertions(+), 1178 deletions(-)

diff --git a/src/cli.rs b/src/cli.rs
index 0a98fa992..dbba22048 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -10,7 +10,8 @@ use crate::evaluate::Scope;
 crate use crate::format::{EntriesListView, GenericView};
 use crate::git::current_branch;
 use crate::object::Value;
-use crate::parser::{ParsedCommand, Pipeline};
+use crate::parser::ast::{Expression, Leaf};
+use crate::parser::{Args, ParsedCommand, Pipeline};
 use crate::stream::empty_stream;
 
 use log::debug;
@@ -208,6 +209,18 @@ async fn process_line(readline: Result<String, ReadlineError>, ctx: &mut Context
                 input = match (item, next) {
                     (None, _) => break,
 
+                    (Some(ClassifiedCommand::Expr(_)), _) => {
+                        return LineResult::Error(ShellError::unimplemented(
+                            "Expression-only commands",
+                        ))
+                    }
+
+                    (_, Some(ClassifiedCommand::Expr(_))) => {
+                        return LineResult::Error(ShellError::unimplemented(
+                            "Expression-only commands",
+                        ))
+                    }
+
                     (
                         Some(ClassifiedCommand::Internal(left)),
                         Some(ClassifiedCommand::Internal(_)),
@@ -305,36 +318,55 @@ fn classify_pipeline(
 }
 
 fn classify_command(
-    command: &ParsedCommand,
+    command: &Expression,
     context: &Context,
 ) -> Result<ClassifiedCommand, ShellError> {
-    let command_name = &command.name[..];
-    let args = &command.args;
+    // let command_name = &command.name[..];
+    // let args = &command.args;
 
-    match command_name {
-        other => match context.has_command(command_name) {
-            true => {
-                let command = context.get_command(command_name);
-                let config = command.config();
-                let scope = Scope::empty();
+    if let Expression::Call(call) = command {
+        match (&call.name, &call.args) {
+            (Expression::Leaf(Leaf::Bare(name)), args) => {
+                match context.has_command(&name.to_string()) {
+                    true => {
+                        let command = context.get_command(&name.to_string());
+                        let config = command.config();
+                        let scope = Scope::empty();
 
-                let args = config.evaluate_args(args.iter(), &scope)?;
+                        let args = match args {
+                            Some(args) => config.evaluate_args(args.iter(), &scope)?,
+                            None => Args::default(),
+                        };
 
-                Ok(ClassifiedCommand::Internal(InternalCommand {
-                    command,
-                    args,
-                }))
+                        Ok(ClassifiedCommand::Internal(InternalCommand {
+                            command,
+                            args,
+                        }))
+                    }
+                    false => {
+                        let arg_list_strings: Vec<String> = match args {
+                            Some(args) => args.iter().map(|i| i.as_external_arg()).collect(),
+                            None => vec![],
+                        };
+
+                        Ok(ClassifiedCommand::External(ExternalCommand {
+                            name: name.to_string(),
+                            args: arg_list_strings,
+                        }))
+                    }
+                }
             }
-            false => {
-                let arg_list_strings: Vec<String> =
-                    args.iter().map(|i| i.as_external_arg()).collect();
 
-                Ok(ClassifiedCommand::External(ExternalCommand {
-                    name: other.to_string(),
-                    args: arg_list_strings,
-                }))
-            }
-        },
+            (_, None) => Err(ShellError::string(
+                "Unimplemented command that is just an expression (1)",
+            )),
+            (_, Some(args)) => Err(ShellError::string("Unimplemented dynamic command")),
+        }
+    } else {
+        Err(ShellError::string(&format!(
+            "Unimplemented command that is just an expression (2) -- {:?}",
+            command
+        )))
     }
 }
 
diff --git a/src/commands/classified.rs b/src/commands/classified.rs
index b1f4f734f..102e17866 100644
--- a/src/commands/classified.rs
+++ b/src/commands/classified.rs
@@ -1,3 +1,4 @@
+use crate::parser::ast::Expression;
 use crate::parser::registry::Args;
 use crate::prelude::*;
 use bytes::{BufMut, BytesMut};
@@ -75,6 +76,7 @@ crate struct ClassifiedPipeline {
 }
 
 crate enum ClassifiedCommand {
+    Expr(Expression),
     Internal(InternalCommand),
     External(ExternalCommand),
 }
diff --git a/src/errors.rs b/src/errors.rs
index c55112ef4..495a05032 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -48,6 +48,10 @@ impl ShellError {
         ShellError::String(StringError::new(title.into(), Value::nothing()))
     }
 
+    crate fn unimplemented(title: impl Into<String>) -> ShellError {
+        ShellError::string(&format!("Unimplemented: {}", title.into()))
+    }
+
     crate fn copy_error(&self) -> ShellError {
         self.clone()
     }
@@ -58,6 +62,23 @@ pub struct ShellDiagnostic {
     crate diagnostic: Diagnostic<Span>,
 }
 
+impl ShellDiagnostic {
+    crate fn simple_diagnostic(
+        span: impl Into<Span>,
+        source: impl Into<String>,
+    ) -> ShellDiagnostic {
+        use language_reporting::*;
+
+        let span = span.into();
+        let source = source.into();
+
+        let diagnostic =
+            Diagnostic::new(Severity::Error, "Parse error").with_label(Label::new_primary(span));
+
+        ShellDiagnostic { diagnostic }
+    }
+}
+
 impl PartialEq for ShellDiagnostic {
     fn eq(&self, _other: &ShellDiagnostic) -> bool {
         false
diff --git a/src/evaluate/evaluator.rs b/src/evaluate/evaluator.rs
index 56ca69737..4f8c6a1f0 100644
--- a/src/evaluate/evaluator.rs
+++ b/src/evaluate/evaluator.rs
@@ -23,6 +23,7 @@ impl Scope {
 crate fn evaluate_expr(expr: &ast::Expression, scope: &Scope) -> Result<Value, ShellError> {
     use ast::*;
     match expr {
+        Expression::Call(c) => Err(ShellError::unimplemented("Evaluating call expression")),
         Expression::Leaf(l) => Ok(evaluate_leaf(l)),
         Expression::Parenthesized(p) => evaluate_expr(&p.expr, scope),
         Expression::Flag(f) => Ok(Value::Primitive(Primitive::String(f.print()))),
diff --git a/src/format/table.rs b/src/format/table.rs
index 29a254f91..5f79114e2 100644
--- a/src/format/table.rs
+++ b/src/format/table.rs
@@ -1,5 +1,5 @@
 use crate::format::RenderView;
-use crate::object::Value;
+use crate::object::{DataDescriptor, Value};
 use crate::prelude::*;
 use derive_new::new;
 use prettytable::{color, Attr, Cell, Row, Table};
@@ -11,7 +11,7 @@ use prettytable::{color, Attr, Cell, Row, Table};
 // another_name : ...
 #[derive(new)]
 pub struct TableView {
-    headers: Vec<String>,
+    headers: Vec<DataDescriptor>,
     entries: Vec<Vec<String>>,
 }
 
@@ -22,18 +22,16 @@ impl TableView {
         }
 
         let item = &values[0];
-        let descs = item.data_descriptors();
+        let headers = item.data_descriptors();
 
-        if descs.len() == 0 {
+        if headers.len() == 0 {
             return None;
         }
 
-        let headers: Vec<String> = descs.iter().map(|d| d.name.display().to_string()).collect();
-
         let mut entries = vec![];
 
         for value in values {
-            let row = descs
+            let row = headers
                 .iter()
                 .enumerate()
                 .map(|(i, d)| value.get_data(d).borrow().format_leaf(Some(&headers[i])))
@@ -60,7 +58,7 @@ impl RenderView for TableView {
             .headers
             .iter()
             .map(|h| {
-                Cell::new(h)
+                Cell::new(h.display_header())
                     .with_style(Attr::ForegroundColor(color::GREEN))
                     .with_style(Attr::Bold)
             })
diff --git a/src/object/base.rs b/src/object/base.rs
index 8ae47988d..2251ac4f3 100644
--- a/src/object/base.rs
+++ b/src/object/base.rs
@@ -75,7 +75,7 @@ impl Primitive {
         .to_string()
     }
 
-    crate fn format(&self, field_name: Option<&str>) -> String {
+    crate fn format(&self, field_name: Option<&DataDescriptor>) -> String {
         match self {
             Primitive::Nothing => format!("{}", Color::Black.bold().paint("-")),
             Primitive::Bytes(b) => {
@@ -98,8 +98,10 @@ impl Primitive {
             Primitive::Boolean(b) => match (b, field_name) {
                 (true, None) => format!("Yes"),
                 (false, None) => format!("No"),
-                (true, Some(s)) => format!("{}", s),
-                (false, Some(_)) => format!(""),
+                (true, Some(s)) if s.is_string_name() => format!("{}", s.display_header()),
+                (false, Some(s)) if s.is_string_name() => format!(""),
+                (true, Some(_)) => format!("Yes"),
+                (false, Some(_)) => format!("No"),
             },
             Primitive::Date(d) => format!("{}", d.humanize()),
         }
@@ -207,9 +209,9 @@ impl Value {
         }
     }
 
-    crate fn format_leaf(&self, field_name: Option<&str>) -> String {
+    crate fn format_leaf(&self, desc: Option<&DataDescriptor>) -> String {
         match self {
-            Value::Primitive(p) => p.format(field_name),
+            Value::Primitive(p) => p.format(desc),
             Value::Block(b) => b.expression.print(),
             Value::Object(_) => format!("[object Object]"),
             Value::List(_) => format!("[list List]"),
diff --git a/src/object/desc.rs b/src/object/desc.rs
index 80d1ac4dc..ee34ad7c7 100644
--- a/src/object/desc.rs
+++ b/src/object/desc.rs
@@ -1,7 +1,7 @@
 use crate::object::types::Type;
 use derive_new::new;
-use serde_derive::{Deserialize, Serialize};
 use serde::{Serialize, Serializer};
+use serde_derive::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Serialize, Deserialize, Hash)]
 pub enum DescriptorName {
@@ -39,18 +39,27 @@ pub struct DataDescriptor {
     crate ty: Type,
 }
 
+impl DataDescriptor {
+    crate fn display_header(&self) -> &str {
+        self.name.display()
+    }
+
+    crate fn is_string_name(&self) -> bool {
+        match self.name {
+            DescriptorName::String(_) => true,
+            DescriptorName::ValueOf => false,
+        }
+    }
+}
+
 impl Serialize for DataDescriptor {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where
         S: Serializer,
     {
         match self.name {
-            DescriptorName::String(ref s) => {
-                serializer.serialize_str(s)
-            }
-            DescriptorName::ValueOf => {
-                serializer.serialize_str("value")
-            }
+            DescriptorName::String(ref s) => serializer.serialize_str(s),
+            DescriptorName::ValueOf => serializer.serialize_str("value"),
         }
     }
 }
diff --git a/src/parser.rs b/src/parser.rs
index 36413f7ee..88768be58 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -10,12 +10,20 @@ crate use registry::{Args, CommandConfig};
 
 use crate::errors::ShellError;
 use lexer::Lexer;
+use log::trace;
 use parser::PipelineParser;
 
 pub fn parse(input: &str) -> Result<Pipeline, ShellError> {
+    let _ = pretty_env_logger::try_init();
+
     let parser = PipelineParser::new();
     let tokens = Lexer::new(input, false);
 
+    trace!(
+        "Tokens: {:?}",
+        tokens.clone().collect::<Result<Vec<_>, _>>()
+    );
+
     match parser.parse(tokens) {
         Ok(val) => Ok(val),
         Err(err) => Err(ShellError::parse_error(err, input.to_string())),
@@ -25,12 +33,33 @@ pub fn parse(input: &str) -> Result<Pipeline, ShellError> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::parser::ast::{bare, binary, flag, short, unit, var, Pipeline};
+    use crate::parser::ast::{bare, flag, short, unit, var, Expression, Operator, Pipeline};
     use pretty_assertions::assert_eq;
 
     fn assert_parse(source: &str, expected: Pipeline) {
-        let parsed = parse(source).unwrap();
+        let parsed = match parse(source) {
+            Ok(p) => p,
+            Err(ShellError::Diagnostic(diag, source)) => {
+                use language_reporting::termcolor;
+
+                let writer = termcolor::StandardStream::stdout(termcolor::ColorChoice::Auto);
+                let files = crate::parser::span::Files::new(source);
+
+                language_reporting::emit(
+                    &mut writer.lock(),
+                    &files,
+                    &diag.diagnostic,
+                    &language_reporting::DefaultConfig,
+                )
+                .unwrap();
+
+                panic!("Test failed")
+            }
+            Err(err) => panic!("Something went wrong during parse: {:#?}", err),
+        };
+
         let printed = parsed.print();
+
         assert_eq!(parsed, expected);
         assert_eq!(source, printed);
     }
@@ -47,15 +76,15 @@ mod tests {
 
     macro_rules! command {
         ($name:ident $( $command:expr )*) => {
-            ParsedCommand::new(stringify!($name).into(), vec![ $($command.into()),* ])
+            Expression::call(Expression::bare(stringify!($name)), vec![ $($command.into()),* ])
         };
 
         ($name:ident $( $command:expr )*) => {
-            ParsedCommand::new(stringify!($name).into(), vec![ $($command.into()),* ])
+            Expression::call(Expression::bare(stringify!($name)), vec![ $($command.into()),* ])
         };
 
         ($name:tt $( $command:expr )*) => {
-            ParsedCommand::new($name.into(), vec![ $($command.into()),* ])
+            Expression::call(Expression::bare($name), vec![ $($command.into()),* ])
         };
     }
 
@@ -164,4 +193,12 @@ mod tests {
             ],
         );
     }
+
+    fn binary(
+        left: impl Into<Expression>,
+        op: impl Into<Operator>,
+        right: impl Into<Expression>,
+    ) -> Expression {
+        Expression::binary(left, op, right)
+    }
 }
diff --git a/src/parser/ast.rs b/src/parser/ast.rs
index 71af3e423..9a859d4c5 100644
--- a/src/parser/ast.rs
+++ b/src/parser/ast.rs
@@ -59,6 +59,7 @@ pub enum Expression {
     Block(Box<Block>),
     Binary(Box<Binary>),
     Path(Box<Path>),
+    Call(Box<ParsedCommand>),
     VariableReference(Variable),
 }
 
@@ -68,6 +69,12 @@ impl From<&str> for Expression {
     }
 }
 
+impl From<String> for Expression {
+    fn from(input: String) -> Expression {
+        Expression::Leaf(Leaf::String(input.into()))
+    }
+}
+
 impl From<i64> for Expression {
     fn from(input: i64) -> Expression {
         Expression::Leaf(Leaf::Int(input.into()))
@@ -99,8 +106,41 @@ impl From<Binary> for Expression {
 }
 
 impl Expression {
+    crate fn leaf(leaf: impl Into<Leaf>) -> Expression {
+        Expression::Leaf(leaf.into())
+    }
+
+    crate fn flag(flag: impl Into<Flag>) -> Expression {
+        Expression::Flag(flag.into())
+    }
+
+    crate fn call(head: Expression, tail: Vec<Expression>) -> Expression {
+        if tail.len() == 0 {
+            Expression::Call(Box::new(ParsedCommand::new(head.into(), None)))
+        } else {
+            Expression::Call(Box::new(ParsedCommand::new(head.into(), Some(tail))))
+        }
+    }
+
+    crate fn binary(
+        left: impl Into<Expression>,
+        operator: impl Into<Operator>,
+        right: impl Into<Expression>,
+    ) -> Expression {
+        Expression::Binary(Box::new(Binary {
+            left: left.into(),
+            operator: operator.into(),
+            right: right.into(),
+        }))
+    }
+
+    crate fn block(expr: impl Into<Expression>) -> Expression {
+        Expression::Block(Box::new(Block::new(expr.into())))
+    }
+
     crate fn print(&self) -> String {
         match self {
+            Expression::Call(c) => c.print(),
             Expression::Leaf(l) => l.print(),
             Expression::Flag(f) => f.print(),
             Expression::Parenthesized(p) => p.print(),
@@ -113,6 +153,7 @@ impl Expression {
 
     crate fn as_external_arg(&self) -> String {
         match self {
+            Expression::Call(c) => c.as_external_arg(),
             Expression::Leaf(l) => l.as_external_arg(),
             Expression::Flag(f) => f.as_external_arg(),
             Expression::Parenthesized(p) => p.as_external_arg(),
@@ -123,6 +164,10 @@ impl Expression {
         }
     }
 
+    crate fn bare(path: impl Into<BarePath>) -> Expression {
+        Expression::Leaf(Leaf::Bare(path.into()))
+    }
+
     crate fn as_string(&self) -> Option<String> {
         match self {
             Expression::Leaf(Leaf::String(s)) => Some(s.to_string()),
@@ -131,6 +176,13 @@ impl Expression {
         }
     }
 
+    crate fn as_bare(&self) -> Option<String> {
+        match self {
+            Expression::Leaf(Leaf::Bare(p)) => Some(p.to_string()),
+            _ => None,
+        }
+    }
+
     crate fn is_flag(&self, value: &str) -> bool {
         match self {
             Expression::Flag(Flag::Longhand(f)) if value == f => true,
@@ -218,8 +270,8 @@ impl Variable {
     crate fn from_str(input: &str) -> Expression {
         match input {
             "it" => Expression::VariableReference(Variable::It),
-            "true" => Expression::Leaf(Leaf::Boolean(true)),
-            "false" => Expression::Leaf(Leaf::Boolean(false)),
+            "yes" => Expression::Leaf(Leaf::Boolean(true)),
+            "no" => Expression::Leaf(Leaf::Boolean(false)),
             other => Expression::VariableReference(Variable::Other(other.to_string())),
         }
     }
@@ -236,8 +288,7 @@ impl Variable {
     }
 }
 
-#[cfg(test)]
-pub fn bare(s: &str) -> BarePath {
+pub fn bare(s: impl Into<String>) -> BarePath {
     BarePath {
         head: s.into(),
         tail: vec![],
@@ -250,7 +301,23 @@ pub struct BarePath {
     tail: Vec<String>,
 }
 
+impl<T: Into<String>> From<T> for BarePath {
+    fn from(input: T) -> BarePath {
+        BarePath {
+            head: input.into(),
+            tail: vec![],
+        }
+    }
+}
+
 impl BarePath {
+    crate fn from_token(head: SpannedToken) -> BarePath {
+        BarePath {
+            head: head.to_string(),
+            tail: vec![],
+        }
+    }
+
     crate fn from_tokens(head: SpannedToken, tail: Vec<SpannedToken>) -> BarePath {
         BarePath {
             head: head.to_string(),
@@ -363,19 +430,6 @@ impl Binary {
     }
 }
 
-#[cfg(test)]
-crate fn binary(
-    left: impl Into<Expression>,
-    operator: impl Into<Operator>,
-    right: impl Into<Expression>,
-) -> Binary {
-    Binary {
-        left: left.into(),
-        operator: operator.into(),
-        right: right.into(),
-    }
-}
-
 impl Binary {
     fn print(&self) -> String {
         format!(
@@ -427,21 +481,36 @@ impl Flag {
     }
 }
 
-#[derive(new, Debug, Clone, Eq, PartialEq)]
+#[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq, new)]
 pub struct ParsedCommand {
-    crate name: String,
-    crate args: Vec<Expression>,
+    crate name: Expression,
+    crate args: Option<Vec<Expression>>,
 }
 
 impl ParsedCommand {
-    #[allow(unused)]
+    fn as_external_arg(&self) -> String {
+        let mut out = vec![];
+
+        write!(out, "{}", self.name.as_external_arg()).unwrap();
+
+        if let Some(args) = &self.args {
+            for arg in args.iter() {
+                write!(out, " {}", arg.as_external_arg()).unwrap();
+            }
+        }
+
+        String::from_utf8_lossy(&out).into_owned()
+    }
+
     fn print(&self) -> String {
         let mut out = vec![];
 
-        write!(out, "{}", self.name).unwrap();
+        write!(out, "{}", self.name.print()).unwrap();
 
-        for arg in self.args.iter() {
-            write!(out, " {}", arg.print()).unwrap();
+        if let Some(args) = &self.args {
+            for arg in args.iter() {
+                write!(out, " {}", arg.print()).unwrap();
+            }
         }
 
         String::from_utf8_lossy(&out).into_owned()
@@ -451,8 +520,8 @@ impl ParsedCommand {
 impl From<&str> for ParsedCommand {
     fn from(input: &str) -> ParsedCommand {
         ParsedCommand {
-            name: input.to_string(),
-            args: vec![],
+            name: Expression::Leaf(Leaf::Bare(bare(input))),
+            args: None,
         }
     }
 }
@@ -460,19 +529,19 @@ impl From<&str> for ParsedCommand {
 impl From<(&str, Vec<Expression>)> for ParsedCommand {
     fn from(input: (&str, Vec<Expression>)) -> ParsedCommand {
         ParsedCommand {
-            name: input.0.to_string(),
-            args: input.1,
+            name: Expression::bare(input.0),
+            args: Some(input.1),
         }
     }
 }
 
 #[derive(new, Debug, Eq, PartialEq)]
 pub struct Pipeline {
-    crate commands: Vec<ParsedCommand>,
+    crate commands: Vec<Expression>,
 }
 
 impl Pipeline {
-    crate fn from_parts(command: ParsedCommand, rest: Vec<ParsedCommand>) -> Pipeline {
+    crate fn from_parts(command: Expression, rest: Vec<Expression>) -> Pipeline {
         let mut commands = vec![command];
         commands.extend(rest);
 
diff --git a/src/parser/lexer.rs b/src/parser/lexer.rs
index 5299d4617..047c3130e 100644
--- a/src/parser/lexer.rs
+++ b/src/parser/lexer.rs
@@ -23,7 +23,7 @@ crate enum TopToken {
     #[regex = r#""([^"]|\\")*""#]
     DQString,
 
-    #[regex = r"\$"]
+    #[token = "$"]
     #[callback = "start_variable"]
     Dollar,
 
@@ -257,6 +257,12 @@ crate enum AfterMemberDot {
     #[callback = "finish_member"]
     Member,
 
+    #[regex = r#"'([^']|\\')*'"#]
+    SQString,
+
+    #[regex = r#""([^"]|\\")*""#]
+    DQString,
+
     #[regex = r"\s"]
     Whitespace,
 }
@@ -268,6 +274,9 @@ impl AfterMemberDot {
         let result = match self {
             END => return None,
             Member => Token::Member,
+            SQString => Token::SQMember,
+            DQString => Token::DQMember,
+
             Whitespace => Token::Whitespace,
             Error => unreachable!("Don't call to_token with the error variant"),
         };
@@ -387,6 +396,8 @@ pub enum Token {
     Variable,
     PathDot,
     Member,
+    SQMember,
+    DQMember,
     Num,
     SQString,
     DQString,
@@ -418,6 +429,7 @@ pub enum Token {
 //     Whitespace(SpannedToken<'source, &'source str>),
 // }
 
+#[derive(Clone)]
 crate struct Lexer<'source> {
     lexer: logos::Lexer<TopToken, &'source str>,
     first: bool,
diff --git a/src/parser/parser.lalrpop b/src/parser/parser.lalrpop
index d2347ff69..61973f5cf 100644
--- a/src/parser/parser.lalrpop
+++ b/src/parser/parser.lalrpop
@@ -6,72 +6,117 @@ use crate::prelude::*;
 use crate::parser::lexer::{SpannedToken, Token};
 use byte_unit::Byte;
 
+// nu's grammar is a little bit different from a lot of other languages, to better match
+// the idioms and constraints of a shell environment. A lot of the constraints are
+// the same as PowerShell, but mostly derived from the same first principles.
+//
+// - Other than at the beginning of a command, bare words are virtually always parsed as
+//   strings. This means that, in general, bare words cannot be used as keywords or
+//   variables.
+// - Variable names begin with `$`, and so do keywords
+// - Functions are invoked without `()` and without comma separation
+// - In general, because of the lack of comma-separation, expressions must be grouped:
+//   - a single token
+//   - a path ($variable followed by any number of `"." member`)
+//   - parenthesized expression
+// - This means that more elaborate expressions, like binary expressions, must usually
+//   be parenthesized
+// - There is a special case for a command that takes a single expression, which can
+//   omit the parens
+
 grammar<'input>;
 
 pub Pipeline: Pipeline = {
-  <first:Command> => Pipeline::new(vec![first]),
-  <first:Command> <rest: ( "|" <Command> )+> => Pipeline::from_parts(first, rest),
+  <first:PipelineElement> <rest: ( "|" <PipelineElement> )*> => Pipeline::from_parts(first, rest),
 }
 
-Command: ParsedCommand = {
-    <command:BarePath> => ParsedCommand::new(command.to_string(), vec![]),
-    <command:BarePath> <expr:Expr+> => ParsedCommand::new(command.to_string(), expr),
-    <command:BarePath> <expr:BinaryExpression> => ParsedCommand::new(command.to_string(), vec![expr]),
+PipelineElement: Expression = {
+    <Bare> => Expression::call(Expression::bare(<>), vec![]),
+    <SingleExpression> => <>,
 }
 
-Leaf: Expression = {
-    <String> => Expression::Leaf(Leaf::String(<>)),
-    <Int> => Expression::Leaf(Leaf::Int(<>)),
-    <UnitsNum> => Expression::Leaf(<>),
+// A leaf expression is a single logical token that directly represents an expression
+LeafExpression: Expression = {
+    <String> => <>,
+    <Int> => Expression::leaf(Leaf::Int(<>)),
+    <UnitsNum> => <>,
     <Var> => <>,
 }
 
-BinaryExpression: Expression = {
-    <left:Expr> <op:Operator> <right:Expr> => Expression::Binary(Box::new(Binary::new(left, op, right))),
+pub Call: Expression = {
+    <expr:Expression> <rest:SingleCallArgument> => Expression::call(expr, vec![rest]),
+    <expr:Expression> <first:CallArgument> <rest:( <CallArgument> )+> => Expression::call(expr, { let mut rest = rest; let mut v = vec![first]; v.append(&mut rest); v }),
+    <expr:Bare> <rest:SingleCallArgument> => Expression::call(Expression::bare(expr), vec![rest]),
+    <expr:Bare> <first:CallArgument> <rest:( <CallArgument> )+> => Expression::call(Expression::bare(expr), { let mut v = vec![first]; let mut rest = rest; v.append(&mut rest); v }),
 }
 
-Parenthesized: Expression = {
-    "(" <Leaf> ")" => Expression::Parenthesized(Box::new(Parenthesized::new(<>))),
-    "(" <BinaryExpression> ")" => Expression::Parenthesized(Box::new(Parenthesized::new(<>))),
-}
-
-AtomicExpression: Expression = {
-    <Parenthesized>,
-    <Leaf>,
+Binary: Expression = {
+    <left:ArgumentExpression> <op:Operator> <right:ArgumentExpression> => Expression::binary(left, op, right),
 }
 
+// In a block, a single bare word is interpreted as a call:
+//
+// foreach { ls }
 Block: Expression = {
-    "{" <AtomicExpression> "}" => Expression::Block(Box::new(Block::new(<>))),
-    "{" <BinaryExpression> "}" => Expression::Block(Box::new(Block::new(<>))),
+    "{" <SingleExpression> "}" => Expression::block(<>),
+    "{" <Bare> "}" => Expression::block(Expression::call(Expression::bare(<>), vec![])),
 }
 
-WholeExpression: Expression = {
-    <AtomicExpression>,
-    <Block>,
+// An `Expression` is the most general kind of expression. It can go anywhere, even right next to another expression, and
+// even as the first part of a call.
+Expression: Expression = {
+    <LeafExpression> => <>,
+    <Block> => <>,
+    "(" <Call> ")" => <>,
+    "(" <Bare> ")" => Expression::call(Expression::bare(<>), vec![]),
+    "(" <Binary> ")" => <>,
 }
 
-PathHead: Expression = {
-    <WholeExpression>,
-    <BarePath> => Expression::Leaf(Leaf::Bare(<>)),
-    <Flag> => Expression::Flag(<>),
+// An `ArgumentExpression` is an expression that appears in an argument list. It includes all of `Expression`, and
+// bare words are interpreted as strings.
+ArgumentExpression: Expression = {
+    <Expression>,
+    <Bare> => Expression::bare(<>),
 }
 
-PathExpression: Expression = {
-    <head:WholeExpression> <tail: ( "???." <Member> )+> => Expression::Path(Box::new(Path::new(head, tail)))
+CallArgument: Expression = {
+    <ArgumentExpression> => <>,
+    <Flag> => Expression::flag(<>),
 }
 
-Expr: Expression = {
-    <PathExpression>,
-    <PathHead>
+SingleCallArgument: Expression = {
+    <CallArgument>,
+    <Binary>,
 }
 
-Var: Expression = {
-    "$" <"variable"> => Variable::from_str(<>.as_slice()),
+// A `SingleExpression` is a special-case of `Expression` for situations where expressions do not appear side-by-side.
+// Because expression lists in nu are not comma-separated, composite expressions (like binary expressions) must be
+// parenthesized in lists. If only a single expression appears alone, the parentheses may be left out.
+//
+// `SingleExpression` does not include `Bare`, because expressions that include `SingleExpression` must decide how
+// to interpret a single bare word (`foreach { ls }` vs `cd ls`).
+SingleExpression: Expression = {
+    <Expression>,
+    <Call>,
+    <Binary>,
 }
 
+// === LOGICAL TOKENS === //
+
+// A logical token may be composed of more than one raw token, but the tokens must be emitted
+// from the stream in exactly one sequence. This allows us to use parser infrastructure to
+// compose tokens without the risk that these logical tokens will introduce ambiguities.
+
+Bare: BarePath = {
+    <head: "bare"> => BarePath::from_token(head)
+}
+
+// A member is a special token that represents bare words or string literals immediate
+// following a dot.
 Member: String = {
     <"member"> => <>.to_string(),
-    <String>
+    <"dqmember"> => <>.to_string(),
+    <"sqmember"> => <>.to_string(),
 }
 
 Operator: Operator = {
@@ -83,26 +128,26 @@ Operator: Operator = {
     ">=" => Operator::GreaterThanOrEqual
 }
 
-Flag: Flag = {
-    "-" <BarePath> => Flag::Shorthand(<>.to_string()),
-    "--" <BarePath> => Flag::Longhand(<>.to_string()),
-}
-
-String: String = {
-    <"sqstring"> => <>.as_slice()[1..(<>.as_slice().len() - 1)].to_string(),
-    <"dqstring"> => <>.as_slice()[1..(<>.as_slice().len() - 1)].to_string()
-}
-
-BarePath: BarePath = {
-    <head: "bare"> <tail: ( "???." <"member"> )*> => BarePath::from_tokens(head, tail)
-}
-
 Int: i64 = {
     <"num"> => i64::from_str(<>.as_slice()).unwrap()
 }
 
-UnitsNum: Leaf = {
-    <num: Int> <unit: "unit"> => Leaf::Unit(num, Unit::from_str(unit.as_slice()).unwrap())
+UnitsNum: Expression = {
+    <num: Int> <unit: "unit"> => Expression::leaf(Leaf::Unit(num, Unit::from_str(unit.as_slice()).unwrap()))
+}
+
+String: Expression = {
+    <"sqstring"> => <>.as_slice()[1..(<>.as_slice().len() - 1)].to_string().into(),
+    <"dqstring"> => <>.as_slice()[1..(<>.as_slice().len() - 1)].to_string().into()
+}
+
+Flag: Flag = {
+    "-" <Bare> => Flag::Shorthand(<>.to_string()),
+    "--" <Bare> => Flag::Longhand(<>.to_string()),
+}
+
+Var: Expression = {
+    "$" <"variable"> => Variable::from_str(<>.as_slice()).into(),
 }
 
 extern {
@@ -127,6 +172,8 @@ extern {
         "???." => SpannedToken { token: Token::PathDot, .. },
         "num" => SpannedToken { token: Token::Num, .. },
         "member" => SpannedToken { token: Token::Member, .. },
+        "sqmember" => SpannedToken { token: Token::SQMember, .. },
+        "dqmember" => SpannedToken { token: Token::SQMember, .. },
         "variable" => SpannedToken { token: Token::Variable, .. },
         "bare" => SpannedToken { token: Token::Bare, .. },
         "dqstring" => SpannedToken { token: Token::DQString, .. },
diff --git a/src/parser/parser.rs b/src/parser/parser.rs
index 77c0b7ba8..cb40b4f0b 100644
--- a/src/parser/parser.rs
+++ b/src/parser/parser.rs
@@ -1,5 +1,5 @@
 // auto-generated: "lalrpop 0.17.0"
-// sha256: f1722e94b575b555d0b256de7fbf9e994068cc397fab85faa22717fb778ca4
+// sha256: ebcd72b764daf3e88a462534cd5f3f51fb424dd095904c6b2cde9368af95387
 #![allow(unused)]
 use std::str::FromStr;
 use crate::parser::ast::*;
@@ -12,7 +12,7 @@ extern crate lalrpop_util as __lalrpop_util;
 use self::__lalrpop_util::state_machine as __state_machine;
 
 #[cfg_attr(rustfmt, rustfmt_skip)]
-mod __parse__Pipeline {
+mod __parse__Call {
     #![allow(non_snake_case, non_camel_case_types, unused_mut, unused_variables, unused_imports, unused_parens)]
 
     use std::str::FromStr;
@@ -29,223 +29,202 @@ mod __parse__Pipeline {
     pub enum __Symbol<'input>
      {
         Variant0(SpannedToken<'input>),
-        Variant1(::std::vec::Vec<SpannedToken<'input>>),
-        Variant2(String),
-        Variant3(::std::vec::Vec<String>),
-        Variant4(ParsedCommand),
-        Variant5(::std::vec::Vec<ParsedCommand>),
-        Variant6(Expression),
-        Variant7(BarePath),
-        Variant8(::std::vec::Vec<Expression>),
-        Variant9(Flag),
-        Variant10(i64),
-        Variant11(Operator),
-        Variant12(Pipeline),
-        Variant13(Leaf),
+        Variant1(Expression),
+        Variant2(::std::vec::Vec<Expression>),
+        Variant3(BarePath),
+        Variant4(Flag),
+        Variant5(i64),
+        Variant6(String),
+        Variant7(Operator),
+        Variant8(Pipeline),
     }
     const __ACTION: &'static [i8] = &[
         // State 0
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 11, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 1
-        0, 22, 23, 0, 24, 25, 0, 0, 0, 0, 0, 0, 5, 26, 0, 27, 28, 0, 0, 29, -19, 0,
+        0, 11, 12, 0, 25, 26, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 2
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 0,
+        -22, -22, -22, -22, -22, -22, -22, -22, -22, -22, -22, 0, -22, 0, -22, 0, -22, 0, -22, 0, 0, -22, 0, -22,
         // State 3
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 4
-        -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, 33, -14, -14, 0, -14, -14, 0, 0, -14, -14, -14,
+        0, 11, 12, 0, 25, 26, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 5
-        -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, 0, -53, -53, 0, 0, -53, -53, -53,
+        -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, 0, -30, 0, -30, 0, -30, 0, -30, 29, 0, -30, 0, -30,
         // State 6
-        -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, -45, 0, -45, -45, 0, -45, -45, 0, 0, -45, -45, -45,
+        -21, -21, -21, -21, -21, -21, -21, -21, -21, -21, -21, 0, -21, 0, -21, 0, -21, 0, -21, 0, 0, -21, 0, -21,
         // State 7
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -21, 0,
+        -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, 0, -29, 0, -29, 0, -29, 0, -29, 0, 0, -29, 0, -29,
         // State 8
-        -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, 0, -54, -54, 0, 0, -54, -54, -54,
+        -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, 0, -31, 0, -31, 0, -31, 0, -31, 0, 0, -31, 0, -31,
         // State 9
-        35, -24, -24, 0, -24, -24, 36, 37, 38, 39, 40, 0, -24, -24, 0, -24, -24, 0, 0, -24, -24, 0,
+        -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 0, -32, 0, -32, 0, -32, 0, -32, 0, 0, -32, 0, -32,
         // State 10
-        0, 22, 23, 0, 24, 25, 0, 0, 0, 0, 0, 0, 5, 26, 0, 27, 28, 0, 0, 29, -20, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 0, 0, 0,
         // State 11
-        -46, -46, -46, -46, -46, -46, -46, -46, -46, -46, -46, 0, -46, -46, 0, -46, -46, 0, 0, -46, -46, -46,
+        0, 11, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 12
-        -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, 0, -30, -30, 42, 0, -30, -30, -30,
+        -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, 0, -11, 0, -11, 0, -11, 0, -11, 0, 0, -11, 0, -11,
         // State 13
-        -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, 0, -13, -13, 0, 0, -13, -13, -13,
+        -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, 0, -52, 0, -52, 0, -52, 0, -52, 0, 0, -52, 0, -52,
         // State 14
-        -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, -12, 0, -12, -12, 0, 0, -12, -12, -12,
+        -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, 0, -28, 0, -28, 0, -28, 0, -28, -28, 0, -28, 0, -28,
         // State 15
-        -22, -22, -22, -22, -22, -22, -22, -22, -22, -22, -22, 0, -22, -22, 0, -22, -22, 0, 0, -22, -22, -22,
+        -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, 0, -51, 0, -51, 0, -51, 0, -51, 0, 0, -51, 0, -51,
         // State 16
-        -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, 0, -23, -23, 0, -23, -23, 0, 0, -23, -23, -23,
+        0, 11, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 17
-        -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, 0, -29, -29, 0, 0, -29, -29, -29,
+        42, -19, -19, -19, -19, -19, 43, 44, 45, 46, 47, 0, -19, 0, -19, 0, -19, 0, -19, 0, 0, -19, 0, -19,
         // State 18
-        -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, 0, -31, -31, 0, 0, -31, -31, -31,
+        -10, -10, -10, -10, -10, -10, -10, -10, -10, -10, -10, 0, -10, 0, -10, 0, -10, 0, -10, 0, 0, -10, 0, -10,
         // State 19
-        -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 0, -32, -32, 0, 0, -32, -32, -32,
+        0, 0, 0, -47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -47,
         // State 20
-        -44, -44, -44, -44, -44, -44, -44, -44, -44, -44, -44, 44, -44, -44, 0, -44, -44, 0, 0, -44, -44, -44,
+        0, 11, 12, -46, 25, 26, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, -46,
         // State 21
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 0, 0, 0,
+        -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 0, -9, 0, -9, 0, -9, 0, -9, 0, 0, -9, 0, -9,
         // State 22
-        0, 22, 23, 0, 24, 25, 0, 0, 0, 0, 0, 0, 5, 26, 0, 27, 28, 0, 0, 29, 0, 0,
+        0, -20, -20, -20, -20, -20, 0, 0, 0, 0, 0, 0, -20, 0, -20, 0, -20, 0, -20, 0, 0, -20, 0, -20,
         // State 23
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, -17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -17,
         // State 24
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 25
-        -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, -50, 0, -50, -50, 0, 0, -50, -50, -50,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 26
-        -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, 0, -28, -28, -28, 0, -28, -28, -28,
+        0, 11, 12, -46, 25, 26, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, -46,
         // State 27
-        -49, -49, -49, -49, -49, -49, -49, -49, -49, -49, -49, -49, -49, -49, 0, -49, -49, 0, 0, -49, -49, -49,
+        0, 0, 0, -15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15,
         // State 28
-        0, 22, 23, 0, 24, 25, 0, 0, 0, 0, 0, 0, 5, 26, 0, 27, 28, 0, 0, 29, 0, 0,
+        -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, 0, -53, 0, -53, 0, -53, 0, -53, 0, 0, -53, 0, -53,
         // State 29
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 53, 0,
+        -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, 0, -54, 0, -54, 0, -54, 0, -54, 0, 0, -54, 0, -54,
         // State 30
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        42, 0, 0, 0, 0, 0, 43, 44, 45, 46, 47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 31
-        -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, 55, -15, -15, 0, -15, -15, 0, 0, -15, -15, -15,
+        -10, 11, 12, 54, 25, 26, -10, -10, -10, -10, -10, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 32
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 33
-        0, 22, 23, 0, 24, 25, 0, 0, 0, 0, 0, 0, 5, 26, 0, 27, 28, 0, 0, 29, 0, 0,
+        0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 34
-        0, -36, -36, 0, -36, -36, 0, 0, 0, 0, 0, 0, -36, -36, 0, -36, -36, 0, 0, -36, 0, 0,
+        -9, 11, 12, 0, 25, 26, -9, -9, -9, -9, -9, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 35
-        0, -37, -37, 0, -37, -37, 0, 0, 0, 0, 0, 0, -37, -37, 0, -37, -37, 0, 0, -37, 0, 0,
+        -10, 11, 12, 0, 25, 26, -10, -10, -10, -10, -10, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 57,
         // State 36
-        0, -39, -39, 0, -39, -39, 0, 0, 0, 0, 0, 0, -39, -39, 0, -39, -39, 0, 0, -39, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -50,
         // State 37
-        0, -35, -35, 0, -35, -35, 0, 0, 0, 0, 0, 0, -35, -35, 0, -35, -35, 0, 0, -35, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -49,
         // State 38
-        0, -38, -38, 0, -38, -38, 0, 0, 0, 0, 0, 0, -38, -38, 0, -38, -38, 0, 0, -38, 0, 0,
+        -9, 11, 12, 0, 25, 26, -9, -9, -9, -9, -9, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, -48,
         // State 39
-        0, -40, -40, 0, -40, -40, 0, 0, 0, 0, 0, 0, -40, -40, 0, -40, -40, 0, 0, -40, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 58,
         // State 40
-        0, -25, -25, 0, -25, -25, 0, 0, 0, 0, 0, 0, -25, -25, 0, -25, -25, 0, 0, -25, -25, 0,
+        0, 11, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, 0,
         // State 41
-        -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, 0, -51, -51, 0, 0, -51, -51, -51,
+        0, -37, -37, 0, 0, 0, 0, 0, 0, 0, 0, 0, -37, 0, -37, 0, -37, 0, -37, 0, 0, -37, 0, 0,
         // State 42
-        -43, -43, -43, -43, -43, -43, -43, -43, -43, -43, -43, 58, -43, -43, 0, -43, -43, 0, 0, -43, -43, -43,
+        0, -38, -38, 0, 0, 0, 0, 0, 0, 0, 0, 0, -38, 0, -38, 0, -38, 0, -38, 0, 0, -38, 0, 0,
         // State 43
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 61, 0, 28, 0, 0, 0, 0, 0,
+        0, -40, -40, 0, 0, 0, 0, 0, 0, 0, 0, 0, -40, 0, -40, 0, -40, 0, -40, 0, 0, -40, 0, 0,
         // State 44
-        -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, 0, -52, -52, 0, 0, -52, -52, -52,
+        0, -36, -36, 0, 0, 0, 0, 0, 0, 0, 0, 0, -36, 0, -36, 0, -36, 0, -36, 0, 0, -36, 0, 0,
         // State 45
-        0, 0, 0, 62, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, -39, -39, 0, 0, 0, 0, 0, 0, 0, 0, 0, -39, 0, -39, 0, -39, 0, -39, 0, 0, -39, 0, 0,
         // State 46
-        35, 0, 0, 0, 0, 0, 36, 37, 38, 39, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, -41, -41, 0, 0, 0, 0, 0, 0, 0, 0, 0, -41, 0, -41, 0, -41, 0, -41, 0, 0, -41, 0, 0,
         // State 47
-        -13, 0, 0, 63, 0, 0, -13, -13, -13, -13, -13, -13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 11, 12, -18, 25, 26, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, -18,
         // State 48
-        -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, -26, 0, -26, -26, 0, -26, -26, 0, 0, -26, -26, -26,
+        0, -19, -19, -19, -19, -19, 0, 0, 0, 0, 0, 0, -19, 0, -19, 0, -19, 0, -19, 0, 0, -19, 0, -19,
         // State 49
-        -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, -27, 0, -27, -27, 0, -27, -27, 0, 0, -27, -27, -27,
+        0, -7, -7, -7, -7, -7, 0, 0, 0, 0, 0, 0, -7, 0, -7, 0, -7, 0, -7, 0, 0, -7, 0, -7,
         // State 50
-        -53, 0, 0, 0, 0, 0, -53, -53, -53, -53, -53, -53, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64,
+        0, -26, -26, -26, -26, -26, 0, 0, 0, 0, 0, 0, -26, 0, -26, 0, -26, 0, -26, 0, 0, -26, 0, -26,
         // State 51
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 65,
+        0, -27, -27, -27, -27, -27, 0, 0, 0, 0, 0, 0, -27, 0, -27, 0, -27, 0, -27, 0, 0, -27, 0, -27,
         // State 52
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 11, 12, -16, 25, 26, 0, 0, 0, 0, 0, 0, 13, 0, 14, 0, 15, 0, 16, 0, 0, 17, 0, -16,
         // State 53
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -10, 0,
+        -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, 0, -24, 0, -24, 0, -24, 0, -24, 0, 0, -24, 0, -24,
         // State 54
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 67, 0, 0, 0, 0, 0, 0, 0,
+        -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, 0, -25, 0, -25, 0, -25, 0, -25, 0, 0, -25, 0, -25,
         // State 55
-        -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, 0, -4, -4, 0, 0, -4, -4, -4,
+        -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, 0, -23, 0, -23, 0, -23, 0, -23, 0, 0, -23, 0, -23,
         // State 56
-        0, 0, 0, -16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -16, -16,
+        -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, 0, -14, 0, -14, 0, -14, 0, -14, 0, 0, -14, 0, -14,
         // State 57
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 61, 0, 28, 0, 0, 0, 0, 0,
+        -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, 0, -13, 0, -13, 0, -13, 0, -13, 0, 0, -13, 0, -13,
         // State 58
-        -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, 0, -7, -7, 0, 0, -7, -7, -7,
+        0, 0, 0, -12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -12,
         // State 59
-        -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, -34, 0, -34, -34, 0, 0, -34, -34, -34,
-        // State 60
-        -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, -33, 0, -33, -33, 0, 0, -33, -33, -33,
-        // State 61
-        -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, -42, 0, -42, -42, 0, 0, -42, -42, -42,
-        // State 62
-        -41, -41, -41, -41, -41, -41, -41, -41, -41, -41, -41, -41, -41, -41, 0, -41, -41, 0, 0, -41, -41, -41,
-        // State 63
-        -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, -17, 0, -17, -17, 0, 0, -17, -17, -17,
-        // State 64
-        -18, -18, -18, -18, -18, -18, -18, -18, -18, -18, -18, -18, -18, -18, 0, -18, -18, 0, 0, -18, -18, -18,
-        // State 65
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -11, 0,
-        // State 66
-        -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, 0, -5, -5, 0, 0, -5, -5, -5,
-        // State 67
-        -8, -8, -8, -8, -8, -8, -8, -8, -8, -8, -8, -8, -8, -8, 0, -8, -8, 0, 0, -8, -8, -8,
+        0, -8, -8, -8, -8, -8, 0, 0, 0, 0, 0, 0, -8, 0, -8, 0, -8, 0, -8, 0, 0, -8, 0, -8,
     ];
     const __EOF_ACTION: &'static [i8] = &[
         // State 0
         0,
         // State 1
-        -19,
+        0,
         // State 2
-        -47,
+        -22,
         // State 3
         -55,
         // State 4
-        -14,
+        0,
         // State 5
-        -53,
-        // State 6
-        -45,
-        // State 7
-        -21,
-        // State 8
-        -54,
-        // State 9
-        -24,
-        // State 10
-        -20,
-        // State 11
-        -46,
-        // State 12
         -30,
-        // State 13
-        -13,
-        // State 14
-        -12,
-        // State 15
-        -22,
-        // State 16
-        -23,
-        // State 17
+        // State 6
+        -21,
+        // State 7
         -29,
-        // State 18
+        // State 8
         -31,
-        // State 19
+        // State 9
         -32,
+        // State 10
+        0,
+        // State 11
+        0,
+        // State 12
+        -11,
+        // State 13
+        -52,
+        // State 14
+        -28,
+        // State 15
+        -51,
+        // State 16
+        0,
+        // State 17
+        -19,
+        // State 18
+        -10,
+        // State 19
+        -47,
         // State 20
-        -44,
+        -46,
         // State 21
-        0,
+        -9,
         // State 22
-        0,
+        -20,
         // State 23
-        0,
+        -17,
         // State 24
         0,
         // State 25
-        -50,
-        // State 26
-        -28,
-        // State 27
-        -49,
-        // State 28
         0,
+        // State 26
+        -46,
+        // State 27
+        -15,
+        // State 28
+        -53,
         // State 29
-        -48,
+        -54,
         // State 30
         0,
         // State 31
-        -15,
+        0,
         // State 32
         0,
         // State 33
@@ -263,199 +242,167 @@ mod __parse__Pipeline {
         // State 39
         0,
         // State 40
-        -25,
+        0,
         // State 41
-        -51,
+        0,
         // State 42
-        -43,
+        0,
         // State 43
         0,
         // State 44
-        -52,
+        0,
         // State 45
         0,
         // State 46
         0,
         // State 47
-        0,
-        // State 48
-        -26,
-        // State 49
-        -27,
-        // State 50
-        0,
-        // State 51
-        0,
-        // State 52
-        0,
-        // State 53
-        -10,
-        // State 54
-        0,
-        // State 55
-        -4,
-        // State 56
-        -16,
-        // State 57
-        0,
-        // State 58
-        -7,
-        // State 59
-        -34,
-        // State 60
-        -33,
-        // State 61
-        -42,
-        // State 62
-        -41,
-        // State 63
-        -17,
-        // State 64
         -18,
-        // State 65
-        -11,
-        // State 66
-        -5,
-        // State 67
+        // State 48
+        -19,
+        // State 49
+        -7,
+        // State 50
+        -26,
+        // State 51
+        -27,
+        // State 52
+        -16,
+        // State 53
+        -24,
+        // State 54
+        -25,
+        // State 55
+        -23,
+        // State 56
+        -14,
+        // State 57
+        -13,
+        // State 58
+        -12,
+        // State 59
         -8,
     ];
     const __GOTO: &'static [i8] = &[
         // State 0
-        0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 2, 0, 3, 4, 0, 5, 0, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 1
-        0, 0, 0, 0, 0, 0, 0, 6, 7, 8, 9, 0, 10, 11, 12, 13, 14, 0, 0, 15, 16, 17, 0, 18, 19, 20, 21, 0,
+        0, 0, 0, 0, 0, 18, 19, 20, 3, 0, 21, 22, 23, 6, 7, 0, 0, 0, 0, 24, 0, 8, 9, 10, 0, 0,
         // State 2
-        0, 0, 0, 0, 0, 0, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 3
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 4
-        0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 18, 19, 20, 3, 0, 27, 22, 23, 6, 7, 0, 0, 0, 0, 28, 0, 8, 9, 10, 0, 0,
         // State 5
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 6
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 7
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 8
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 9
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 10
-        0, 0, 0, 0, 0, 0, 0, 6, 7, 0, 9, 0, 41, 0, 12, 13, 14, 0, 0, 15, 16, 17, 0, 18, 19, 20, 21, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 11
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 31, 32, 33, 3, 34, 0, 35, 0, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 12
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 13
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 14
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 15
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 16
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 31, 36, 37, 3, 38, 0, 39, 0, 6, 7, 0, 0, 0, 0, 0, 40, 8, 9, 10, 0, 0,
         // State 17
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 18
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 19
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 20
-        0, 0, 0, 0, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 48, 49, 19, 0, 3, 0, 50, 22, 23, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 21
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 22
-        0, 0, 0, 0, 0, 0, 0, 6, 7, 46, 9, 0, 47, 0, 12, 13, 48, 0, 0, 15, 16, 17, 0, 18, 19, 20, 21, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 23
-        0, 0, 0, 0, 0, 0, 0, 0, 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 24
-        0, 0, 0, 0, 0, 0, 0, 0, 50, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 25
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 26
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 53, 49, 19, 0, 3, 0, 50, 22, 23, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 27
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 28
-        0, 0, 0, 0, 0, 0, 0, 51, 7, 52, 9, 0, 47, 0, 12, 13, 14, 0, 0, 15, 16, 17, 0, 18, 19, 20, 21, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 29
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 30
-        0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 54, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 31
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 18, 19, 20, 3, 0, 21, 22, 23, 6, 7, 0, 0, 0, 0, 24, 0, 8, 9, 10, 0, 0,
         // State 32
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 33
-        0, 0, 0, 0, 0, 0, 0, 6, 7, 0, 9, 0, 57, 0, 12, 13, 14, 0, 0, 15, 16, 17, 0, 18, 19, 20, 21, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 34
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 18, 19, 20, 3, 0, 27, 22, 23, 6, 7, 0, 0, 0, 0, 28, 0, 8, 9, 10, 0, 0,
         // State 35
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 18, 19, 20, 3, 0, 21, 22, 23, 6, 7, 0, 0, 0, 0, 24, 0, 8, 9, 10, 0, 0,
         // State 36
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 37
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 38
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 18, 19, 20, 3, 0, 27, 22, 23, 6, 7, 0, 0, 0, 0, 28, 0, 8, 9, 10, 0, 0,
         // State 39
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 40
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 59, 19, 0, 3, 0, 0, 22, 0, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 41
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 42
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 43
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 59, 0, 0, 0, 0, 0, 60, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 44
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 45
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 46
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 34, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 47
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 49, 19, 0, 3, 0, 60, 22, 23, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 48
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 49
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 50
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 51
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 52
-        0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 66, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 49, 19, 0, 3, 0, 60, 22, 23, 6, 7, 0, 0, 0, 0, 0, 0, 8, 9, 10, 0, 0,
         // State 53
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 54
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 55
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 56
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 57
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 68, 0, 0, 0, 0, 0, 60, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 58
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         // State 59
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 60
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 61
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 62
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 63
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 64
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 65
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 66
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-        // State 67
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
     ];
     fn __expected_tokens(__state: usize) -> Vec<::std::string::String> {
         const __TERMINAL: &'static [&'static str] = &[
@@ -472,9 +419,11 @@ mod __parse__Pipeline {
             r###"">=""###,
             r###""???.""###,
             r###""bare""###,
+            r###""dqmember""###,
             r###""dqstring""###,
             r###""member""###,
             r###""num""###,
+            r###""sqmember""###,
             r###""sqstring""###,
             r###""unit""###,
             r###""variable""###,
@@ -482,7 +431,7 @@ mod __parse__Pipeline {
             r###""|""###,
             r###""}""###,
         ];
-        __ACTION[(__state * 22)..].iter().zip(__TERMINAL).filter_map(|(&state, terminal)| {
+        __ACTION[(__state * 24)..].iter().zip(__TERMINAL).filter_map(|(&state, terminal)| {
             if state == 0 {
                 None
             } else {
@@ -503,7 +452,7 @@ mod __parse__Pipeline {
         type Token = SpannedToken<'input>;
         type TokenIndex = usize;
         type Symbol = __Symbol<'input>;
-        type Success = Pipeline;
+        type Success = Expression;
         type StateIndex = i8;
         type Action = i8;
         type ReduceIndex = i8;
@@ -526,12 +475,12 @@ mod __parse__Pipeline {
 
         #[inline]
         fn action(&self, state: i8, integer: usize) -> i8 {
-            __ACTION[(state as usize) * 22 + integer]
+            __ACTION[(state as usize) * 24 + integer]
         }
 
         #[inline]
         fn error_action(&self, state: i8) -> i8 {
-            __ACTION[(state as usize) * 22 + (22 - 1)]
+            __ACTION[(state as usize) * 24 + (24 - 1)]
         }
 
         #[inline]
@@ -541,7 +490,7 @@ mod __parse__Pipeline {
 
         #[inline]
         fn goto(&self, state: i8, nt: usize) -> i8 {
-            __GOTO[(state as usize) * 28 + nt] - 1
+            __GOTO[(state as usize) * 26 + nt] - 1
         }
 
         fn token_to_symbol(&self, token_index: usize, token: Self::Token) -> Self::Symbol {
@@ -606,15 +555,17 @@ mod __parse__Pipeline {
             SpannedToken { token: Token::OpGte, .. } if true => Some(10),
             SpannedToken { token: Token::PathDot, .. } if true => Some(11),
             SpannedToken { token: Token::Bare, .. } if true => Some(12),
-            SpannedToken { token: Token::DQString, .. } if true => Some(13),
-            SpannedToken { token: Token::Member, .. } if true => Some(14),
-            SpannedToken { token: Token::Num, .. } if true => Some(15),
-            SpannedToken { token: Token::SQString, .. } if true => Some(16),
-            SpannedToken { token: Token::Unit, .. } if true => Some(17),
-            SpannedToken { token: Token::Variable, .. } if true => Some(18),
-            SpannedToken { token: Token::OpenBrace, .. } if true => Some(19),
-            SpannedToken { token: Token::Pipe, .. } if true => Some(20),
-            SpannedToken { token: Token::CloseBrace, .. } if true => Some(21),
+            SpannedToken { token: Token::SQMember, .. } if true => Some(13),
+            SpannedToken { token: Token::DQString, .. } if true => Some(14),
+            SpannedToken { token: Token::Member, .. } if true => Some(15),
+            SpannedToken { token: Token::Num, .. } if true => Some(16),
+            SpannedToken { token: Token::SQMember, .. } if true => Some(17),
+            SpannedToken { token: Token::SQString, .. } if true => Some(18),
+            SpannedToken { token: Token::Unit, .. } if true => Some(19),
+            SpannedToken { token: Token::Variable, .. } if true => Some(20),
+            SpannedToken { token: Token::OpenBrace, .. } if true => Some(21),
+            SpannedToken { token: Token::Pipe, .. } if true => Some(22),
+            SpannedToken { token: Token::CloseBrace, .. } if true => Some(23),
             _ => None,
         }
     }
@@ -680,38 +631,46 @@ mod __parse__Pipeline {
                 _ => unreachable!(),
             },
             13 => match __token {
-                __tok @ SpannedToken { token: Token::DQString, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::SQMember, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             14 => match __token {
-                __tok @ SpannedToken { token: Token::Member, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::DQString, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             15 => match __token {
-                __tok @ SpannedToken { token: Token::Num, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::Member, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             16 => match __token {
-                __tok @ SpannedToken { token: Token::SQString, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::Num, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             17 => match __token {
-                __tok @ SpannedToken { token: Token::Unit, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::SQMember, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             18 => match __token {
-                __tok @ SpannedToken { token: Token::Variable, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::SQString, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             19 => match __token {
-                __tok @ SpannedToken { token: Token::OpenBrace, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::Unit, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             20 => match __token {
-                __tok @ SpannedToken { token: Token::Pipe, .. } => __Symbol::Variant0((__tok)),
+                __tok @ SpannedToken { token: Token::Variable, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
             21 => match __token {
+                __tok @ SpannedToken { token: Token::OpenBrace, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            22 => match __token {
+                __tok @ SpannedToken { token: Token::Pipe, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            23 => match __token {
                 __tok @ SpannedToken { token: Token::CloseBrace, .. } => __Symbol::Variant0((__tok)),
                 _ => unreachable!(),
             },
@@ -758,62 +717,62 @@ mod __parse__Pipeline {
             }
             5 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
+                    states_to_pop: 1,
                     nonterminal_produced: 3,
                 }
             }
             6 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
+                    states_to_pop: 1,
                     nonterminal_produced: 4,
                 }
             }
             7 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 3,
+                    states_to_pop: 2,
                     nonterminal_produced: 4,
                 }
             }
             8 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
+                    states_to_pop: 1,
                     nonterminal_produced: 5,
                 }
             }
             9 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
-                    nonterminal_produced: 6,
+                    states_to_pop: 1,
+                    nonterminal_produced: 5,
                 }
             }
             10 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 3,
+                    states_to_pop: 1,
                     nonterminal_produced: 6,
                 }
             }
             11 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
+                    states_to_pop: 3,
                     nonterminal_produced: 7,
                 }
             }
             12 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
-                    nonterminal_produced: 7,
+                    states_to_pop: 3,
+                    nonterminal_produced: 8,
                 }
             }
             13 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
+                    states_to_pop: 3,
                     nonterminal_produced: 8,
                 }
             }
             14 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 2,
-                    nonterminal_produced: 8,
+                    nonterminal_produced: 9,
                 }
             }
             15 => {
@@ -824,233 +783,2627 @@ mod __parse__Pipeline {
             }
             16 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 3,
-                    nonterminal_produced: 10,
+                    states_to_pop: 2,
+                    nonterminal_produced: 9,
                 }
             }
             17 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 3,
-                    nonterminal_produced: 10,
+                    nonterminal_produced: 9,
                 }
             }
             18 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 11,
+                    nonterminal_produced: 10,
                 }
             }
             19 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
-                    nonterminal_produced: 11,
+                    states_to_pop: 1,
+                    nonterminal_produced: 10,
                 }
             }
             20 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
+                    states_to_pop: 1,
                     nonterminal_produced: 11,
                 }
             }
             21 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 12,
+                    nonterminal_produced: 11,
                 }
             }
             22 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
-                    nonterminal_produced: 12,
+                    states_to_pop: 3,
+                    nonterminal_produced: 11,
                 }
             }
             23 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
-                    nonterminal_produced: 13,
+                    states_to_pop: 3,
+                    nonterminal_produced: 11,
                 }
             }
             24 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
-                    nonterminal_produced: 13,
+                    states_to_pop: 3,
+                    nonterminal_produced: 11,
                 }
             }
             25 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 2,
-                    nonterminal_produced: 14,
+                    nonterminal_produced: 12,
                 }
             }
             26 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 2,
-                    nonterminal_produced: 14,
+                    nonterminal_produced: 12,
                 }
             }
             27 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 15,
+                    nonterminal_produced: 13,
                 }
             }
             28 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 16,
+                    nonterminal_produced: 14,
                 }
             }
             29 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 16,
+                    nonterminal_produced: 14,
                 }
             }
             30 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 16,
+                    nonterminal_produced: 14,
                 }
             }
             31 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 16,
+                    nonterminal_produced: 14,
                 }
             }
             32 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 17,
+                    nonterminal_produced: 15,
                 }
             }
             33 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 17,
+                    nonterminal_produced: 15,
                 }
             }
             34 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 18,
+                    nonterminal_produced: 15,
                 }
             }
             35 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 18,
+                    nonterminal_produced: 16,
                 }
             }
             36 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 18,
+                    nonterminal_produced: 16,
                 }
             }
             37 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 18,
+                    nonterminal_produced: 16,
                 }
             }
             38 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 18,
+                    nonterminal_produced: 16,
                 }
             }
             39 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 18,
+                    nonterminal_produced: 16,
                 }
             }
             40 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 3,
-                    nonterminal_produced: 19,
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
                 }
             }
             41 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 3,
-                    nonterminal_produced: 19,
+                    states_to_pop: 1,
+                    nonterminal_produced: 17,
                 }
             }
             42 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 2,
-                    nonterminal_produced: 20,
+                    nonterminal_produced: 17,
                 }
             }
             43 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 21,
+                    nonterminal_produced: 18,
                 }
             }
             44 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 21,
+                    nonterminal_produced: 18,
                 }
             }
             45 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 21,
+                    nonterminal_produced: 19,
                 }
             }
             46 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 22,
+                    nonterminal_produced: 19,
                 }
             }
             47 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
-                    nonterminal_produced: 22,
+                    states_to_pop: 1,
+                    nonterminal_produced: 20,
                 }
             }
             48 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 23,
+                    nonterminal_produced: 20,
                 }
             }
             49 => {
                 __state_machine::SimulatedReduce::Reduce {
                     states_to_pop: 1,
-                    nonterminal_produced: 23,
+                    nonterminal_produced: 20,
                 }
             }
             50 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
-                    nonterminal_produced: 24,
+                    states_to_pop: 1,
+                    nonterminal_produced: 21,
                 }
             }
             51 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 2,
-                    nonterminal_produced: 25,
+                    states_to_pop: 1,
+                    nonterminal_produced: 21,
                 }
             }
             52 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
-                    nonterminal_produced: 26,
+                    states_to_pop: 2,
+                    nonterminal_produced: 22,
                 }
             }
             53 => {
                 __state_machine::SimulatedReduce::Reduce {
-                    states_to_pop: 1,
-                    nonterminal_produced: 26,
+                    states_to_pop: 2,
+                    nonterminal_produced: 23,
                 }
             }
             54 => __state_machine::SimulatedReduce::Accept,
+            55 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 25,
+                }
+            }
+            _ => panic!("invalid reduction index {}", __reduce_index)
+        }
+    }
+    pub struct CallParser {
+        _priv: (),
+    }
+
+    impl CallParser {
+        pub fn new() -> CallParser {
+            CallParser {
+                _priv: (),
+            }
+        }
+
+        #[allow(dead_code)]
+        pub fn parse<
+            'input,
+            __TOKEN: __ToTriple<'input, >,
+            __TOKENS: IntoIterator<Item=__TOKEN>,
+        >(
+            &self,
+            __tokens0: __TOKENS,
+        ) -> Result<Expression, __lalrpop_util::ParseError<usize, SpannedToken<'input>, ShellError>>
+        {
+            let __tokens = __tokens0.into_iter();
+            let mut __tokens = __tokens.map(|t| __ToTriple::to_triple(t));
+            let __r = __state_machine::Parser::drive(
+                __StateMachine {
+                    __phantom: ::std::marker::PhantomData::<(&())>,
+                },
+                __tokens,
+            );
+            __r
+        }
+    }
+    pub(crate) fn __reduce<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> Option<Result<Expression,__lalrpop_util::ParseError<usize, SpannedToken<'input>, ShellError>>>
+    {
+        let (__pop_states, __nonterminal) = match __action {
+            0 => {
+                __reduce0(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            1 => {
+                __reduce1(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            2 => {
+                __reduce2(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            3 => {
+                __reduce3(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            4 => {
+                __reduce4(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            5 => {
+                __reduce5(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            6 => {
+                __reduce6(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            7 => {
+                __reduce7(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            8 => {
+                __reduce8(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            9 => {
+                __reduce9(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            10 => {
+                __reduce10(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            11 => {
+                __reduce11(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            12 => {
+                __reduce12(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            13 => {
+                __reduce13(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            14 => {
+                __reduce14(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            15 => {
+                __reduce15(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            16 => {
+                __reduce16(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            17 => {
+                __reduce17(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            18 => {
+                __reduce18(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            19 => {
+                __reduce19(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            20 => {
+                __reduce20(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            21 => {
+                __reduce21(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            22 => {
+                __reduce22(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            23 => {
+                __reduce23(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            24 => {
+                __reduce24(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            25 => {
+                __reduce25(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            26 => {
+                __reduce26(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            27 => {
+                __reduce27(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            28 => {
+                __reduce28(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            29 => {
+                __reduce29(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            30 => {
+                __reduce30(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            31 => {
+                __reduce31(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            32 => {
+                __reduce32(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            33 => {
+                __reduce33(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            34 => {
+                __reduce34(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            35 => {
+                __reduce35(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            36 => {
+                __reduce36(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            37 => {
+                __reduce37(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            38 => {
+                __reduce38(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            39 => {
+                __reduce39(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            40 => {
+                __reduce40(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            41 => {
+                __reduce41(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            42 => {
+                __reduce42(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            43 => {
+                __reduce43(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            44 => {
+                __reduce44(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            45 => {
+                __reduce45(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            46 => {
+                __reduce46(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            47 => {
+                __reduce47(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            48 => {
+                __reduce48(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            49 => {
+                __reduce49(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            50 => {
+                __reduce50(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            51 => {
+                __reduce51(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            52 => {
+                __reduce52(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            53 => {
+                __reduce53(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            54 => {
+                // __Call = Call => ActionFn(1);
+                let __sym0 = __pop_Variant1(__symbols);
+                let __start = __sym0.0.clone();
+                let __end = __sym0.2.clone();
+                let __nt = super::__action1::<>(__sym0);
+                return Some(Ok(__nt));
+            }
+            55 => {
+                __reduce55(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            _ => panic!("invalid action code {}", __action)
+        };
+        let __states_len = __states.len();
+        __states.truncate(__states_len - __pop_states);
+        let __state = *__states.last().unwrap() as usize;
+        let __next_state = __GOTO[__state * 26 + __nonterminal] - 1;
+        __states.push(__next_state);
+        None
+    }
+    fn __pop_Variant3<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, BarePath, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant3(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant1<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, Expression, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant1(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant4<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, Flag, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant4(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant7<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, Operator, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant7(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant8<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, Pipeline, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant8(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant0<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, SpannedToken<'input>, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant0(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant6<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, String, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant6(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant5<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, i64, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant5(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant2<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, ::std::vec::Vec<Expression>, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant2(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    pub(crate) fn __reduce0<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ("|" <PipelineElement>) = "|", PipelineElement => ActionFn(52);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action52::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 0)
+    }
+    pub(crate) fn __reduce1<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ("|" <PipelineElement>)* =  => ActionFn(50);
+        let __start = __symbols.last().map(|s| s.2.clone()).unwrap_or_default();
+        let __end = __lookahead_start.cloned().unwrap_or_else(|| __start.clone());
+        let __nt = super::__action50::<>(&__start, &__end);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (0, 1)
+    }
+    pub(crate) fn __reduce2<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ("|" <PipelineElement>)* = ("|" <PipelineElement>)+ => ActionFn(51);
+        let __sym0 = __pop_Variant2(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action51::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (1, 1)
+    }
+    pub(crate) fn __reduce3<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ("|" <PipelineElement>)+ = "|", PipelineElement => ActionFn(55);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action55::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (2, 2)
+    }
+    pub(crate) fn __reduce4<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ("|" <PipelineElement>)+ = ("|" <PipelineElement>)+, "|", PipelineElement => ActionFn(56);
+        let __sym2 = __pop_Variant1(__symbols);
+        let __sym1 = __pop_Variant0(__symbols);
+        let __sym0 = __pop_Variant2(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action56::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (3, 2)
+    }
+    pub(crate) fn __reduce5<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // (<CallArgument>) = CallArgument => ActionFn(49);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action49::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 3)
+    }
+    pub(crate) fn __reduce6<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // (<CallArgument>)+ = CallArgument => ActionFn(59);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action59::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (1, 4)
+    }
+    pub(crate) fn __reduce7<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // (<CallArgument>)+ = (<CallArgument>)+, CallArgument => ActionFn(60);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant2(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action60::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (2, 4)
+    }
+    pub(crate) fn __reduce8<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ArgumentExpression = Expression => ActionFn(21);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action21::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 5)
+    }
+    pub(crate) fn __reduce9<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // ArgumentExpression = Bare => ActionFn(22);
+        let __sym0 = __pop_Variant3(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action22::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 5)
+    }
+    pub(crate) fn __reduce10<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Bare = "bare" => ActionFn(30);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action30::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant3(__nt), __end));
+        (1, 6)
+    }
+    pub(crate) fn __reduce11<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Binary = ArgumentExpression, Operator, ArgumentExpression => ActionFn(13);
+        let __sym2 = __pop_Variant1(__symbols);
+        let __sym1 = __pop_Variant7(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action13::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 7)
+    }
+    pub(crate) fn __reduce12<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Block = "{", SingleExpression, "}" => ActionFn(14);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action14::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 8)
+    }
+    pub(crate) fn __reduce13<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Block = "{", Bare, "}" => ActionFn(15);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant3(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action15::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 8)
+    }
+    pub(crate) fn __reduce14<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Call = Expression, SingleCallArgument => ActionFn(9);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action9::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 9)
+    }
+    pub(crate) fn __reduce15<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Call = Expression, CallArgument, (<CallArgument>)+ => ActionFn(10);
+        let __sym2 = __pop_Variant2(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action10::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 9)
+    }
+    pub(crate) fn __reduce16<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Call = Bare, SingleCallArgument => ActionFn(11);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant3(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action11::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 9)
+    }
+    pub(crate) fn __reduce17<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Call = Bare, CallArgument, (<CallArgument>)+ => ActionFn(12);
+        let __sym2 = __pop_Variant2(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant3(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action12::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 9)
+    }
+    pub(crate) fn __reduce18<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // CallArgument = ArgumentExpression => ActionFn(23);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action23::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 10)
+    }
+    pub(crate) fn __reduce19<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // CallArgument = Flag => ActionFn(24);
+        let __sym0 = __pop_Variant4(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action24::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 10)
+    }
+    pub(crate) fn __reduce20<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Expression = LeafExpression => ActionFn(16);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action16::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 11)
+    }
+    pub(crate) fn __reduce21<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Expression = Block => ActionFn(17);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action17::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 11)
+    }
+    pub(crate) fn __reduce22<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Expression = "(", Call, ")" => ActionFn(18);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action18::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 11)
+    }
+    pub(crate) fn __reduce23<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Expression = "(", Bare, ")" => ActionFn(19);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant3(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action19::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 11)
+    }
+    pub(crate) fn __reduce24<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Expression = "(", Binary, ")" => ActionFn(20);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym2.2.clone();
+        let __nt = super::__action20::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 11)
+    }
+    pub(crate) fn __reduce25<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Flag = "-", Bare => ActionFn(44);
+        let __sym1 = __pop_Variant3(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action44::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
+        (2, 12)
+    }
+    pub(crate) fn __reduce26<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Flag = "--", Bare => ActionFn(45);
+        let __sym1 = __pop_Variant3(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action45::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
+        (2, 12)
+    }
+    pub(crate) fn __reduce27<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Int = "num" => ActionFn(40);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action40::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant5(__nt), __end));
+        (1, 13)
+    }
+    pub(crate) fn __reduce28<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // LeafExpression = String => ActionFn(5);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action5::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
+    }
+    pub(crate) fn __reduce29<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // LeafExpression = Int => ActionFn(6);
+        let __sym0 = __pop_Variant5(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action6::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
+    }
+    pub(crate) fn __reduce30<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // LeafExpression = UnitsNum => ActionFn(7);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action7::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
+    }
+    pub(crate) fn __reduce31<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // LeafExpression = Var => ActionFn(8);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action8::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
+    }
+    pub(crate) fn __reduce32<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Member = "member" => ActionFn(31);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action31::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        (1, 15)
+    }
+    pub(crate) fn __reduce33<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Member = "dqmember" => ActionFn(32);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action32::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        (1, 15)
+    }
+    pub(crate) fn __reduce34<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Member = "sqmember" => ActionFn(33);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action33::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        (1, 15)
+    }
+    pub(crate) fn __reduce35<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Operator = "==" => ActionFn(34);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action34::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
+    }
+    pub(crate) fn __reduce36<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Operator = "!=" => ActionFn(35);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action35::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
+    }
+    pub(crate) fn __reduce37<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Operator = "<" => ActionFn(36);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action36::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
+    }
+    pub(crate) fn __reduce38<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Operator = ">" => ActionFn(37);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action37::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
+    }
+    pub(crate) fn __reduce39<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Operator = "<=" => ActionFn(38);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action38::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
+    }
+    pub(crate) fn __reduce40<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Operator = ">=" => ActionFn(39);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action39::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
+    }
+    pub(crate) fn __reduce41<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Pipeline = PipelineElement => ActionFn(57);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action57::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
+        (1, 17)
+    }
+    pub(crate) fn __reduce42<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Pipeline = PipelineElement, ("|" <PipelineElement>)+ => ActionFn(58);
+        let __sym1 = __pop_Variant2(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action58::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
+        (2, 17)
+    }
+    pub(crate) fn __reduce43<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // PipelineElement = Bare => ActionFn(3);
+        let __sym0 = __pop_Variant3(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action3::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 18)
+    }
+    pub(crate) fn __reduce44<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // PipelineElement = SingleExpression => ActionFn(4);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action4::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 18)
+    }
+    pub(crate) fn __reduce45<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // SingleCallArgument = CallArgument => ActionFn(25);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action25::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 19)
+    }
+    pub(crate) fn __reduce46<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // SingleCallArgument = Binary => ActionFn(26);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action26::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 19)
+    }
+    pub(crate) fn __reduce47<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // SingleExpression = Expression => ActionFn(27);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action27::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 20)
+    }
+    pub(crate) fn __reduce48<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // SingleExpression = Call => ActionFn(28);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action28::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 20)
+    }
+    pub(crate) fn __reduce49<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // SingleExpression = Binary => ActionFn(29);
+        let __sym0 = __pop_Variant1(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action29::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 20)
+    }
+    pub(crate) fn __reduce50<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // String = "sqstring" => ActionFn(42);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action42::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 21)
+    }
+    pub(crate) fn __reduce51<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // String = "dqstring" => ActionFn(43);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action43::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 21)
+    }
+    pub(crate) fn __reduce52<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // UnitsNum = Int, "unit" => ActionFn(41);
+        let __sym1 = __pop_Variant0(__symbols);
+        let __sym0 = __pop_Variant5(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action41::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 22)
+    }
+    pub(crate) fn __reduce53<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // Var = "$", "variable" => ActionFn(46);
+        let __sym1 = __pop_Variant0(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action46::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 23)
+    }
+    pub(crate) fn __reduce55<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // __Pipeline = Pipeline => ActionFn(0);
+        let __sym0 = __pop_Variant8(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym0.2.clone();
+        let __nt = super::__action0::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
+        (1, 25)
+    }
+}
+pub use self::__parse__Call::CallParser;
+
+#[cfg_attr(rustfmt, rustfmt_skip)]
+mod __parse__Pipeline {
+    #![allow(non_snake_case, non_camel_case_types, unused_mut, unused_variables, unused_imports, unused_parens)]
+
+    use std::str::FromStr;
+    use crate::parser::ast::*;
+    use crate::prelude::*;
+    use crate::parser::lexer::{SpannedToken, Token};
+    use byte_unit::Byte;
+    #[allow(unused_extern_crates)]
+    extern crate lalrpop_util as __lalrpop_util;
+    #[allow(unused_imports)]
+    use self::__lalrpop_util::state_machine as __state_machine;
+    use super::__ToTriple;
+    #[allow(dead_code)]
+    pub enum __Symbol<'input>
+     {
+        Variant0(SpannedToken<'input>),
+        Variant1(Expression),
+        Variant2(::std::vec::Vec<Expression>),
+        Variant3(BarePath),
+        Variant4(Flag),
+        Variant5(i64),
+        Variant6(String),
+        Variant7(Operator),
+        Variant8(Pipeline),
+    }
+    const __ACTION: &'static [i8] = &[
+        // State 0
+        0, 16, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 1
+        24, 0, 0, 0, 0, 0, 25, 26, 27, 28, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 2
+        -10, 16, 17, 0, 37, 38, -10, -10, -10, -10, -10, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, -44, 0,
+        // State 3
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -50, -50,
+        // State 4
+        -22, -22, -22, -22, -22, -22, -22, -22, -22, -22, -22, 0, -22, 0, -22, 0, -22, 0, -22, 0, 0, -22, -22, -22,
+        // State 5
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -49, -49,
+        // State 6
+        -9, 16, 17, 0, 37, 38, -9, -9, -9, -9, -9, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, -48, -48,
+        // State 7
+        -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, -30, 0, -30, 0, -30, 0, -30, 0, -30, 41, 0, -30, -30, -30,
+        // State 8
+        -21, -21, -21, -21, -21, -21, -21, -21, -21, -21, -21, 0, -21, 0, -21, 0, -21, 0, -21, 0, 0, -21, -21, -21,
+        // State 9
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 10
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 0,
+        // State 11
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -45, 0,
+        // State 12
+        -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, -29, 0, -29, 0, -29, 0, -29, 0, -29, 0, 0, -29, -29, -29,
+        // State 13
+        -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, -31, 0, -31, 0, -31, 0, -31, 0, -31, 0, 0, -31, -31, -31,
+        // State 14
+        -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, -32, 0, -32, 0, -32, 0, -32, 0, -32, 0, 0, -32, -32, -32,
+        // State 15
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 0, 0, 0,
+        // State 16
+        0, 16, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 17
+        -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, 0, -11, 0, -11, 0, -11, 0, -11, 0, 0, -11, -11, -11,
+        // State 18
+        -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, 0, -52, 0, -52, 0, -52, 0, -52, 0, 0, -52, -52, -52,
+        // State 19
+        -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, -28, 0, -28, 0, -28, 0, -28, 0, -28, -28, 0, -28, -28, -28,
+        // State 20
+        -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, -51, 0, -51, 0, -51, 0, -51, 0, -51, 0, 0, -51, -51, -51,
+        // State 21
+        0, 16, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 22
+        0, 16, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 23
+        0, -37, -37, 0, 0, 0, 0, 0, 0, 0, 0, 0, -37, 0, -37, 0, -37, 0, -37, 0, 0, -37, 0, 0,
+        // State 24
+        0, -38, -38, 0, 0, 0, 0, 0, 0, 0, 0, 0, -38, 0, -38, 0, -38, 0, -38, 0, 0, -38, 0, 0,
+        // State 25
+        0, -40, -40, 0, 0, 0, 0, 0, 0, 0, 0, 0, -40, 0, -40, 0, -40, 0, -40, 0, 0, -40, 0, 0,
+        // State 26
+        0, -36, -36, 0, 0, 0, 0, 0, 0, 0, 0, 0, -36, 0, -36, 0, -36, 0, -36, 0, 0, -36, 0, 0,
+        // State 27
+        0, -39, -39, 0, 0, 0, 0, 0, 0, 0, 0, 0, -39, 0, -39, 0, -39, 0, -39, 0, 0, -39, 0, 0,
+        // State 28
+        0, -41, -41, 0, 0, 0, 0, 0, 0, 0, 0, 0, -41, 0, -41, 0, -41, 0, -41, 0, 0, -41, 0, 0,
+        // State 29
+        24, -19, -19, -19, -19, -19, 25, 26, 27, 28, 29, 0, -19, 0, -19, 0, -19, 0, -19, 0, 0, -19, -19, -19,
+        // State 30
+        -10, -10, -10, -10, -10, -10, -10, -10, -10, -10, -10, 0, -10, 0, -10, 0, -10, 0, -10, 0, 0, -10, -10, -10,
+        // State 31
+        0, 0, 0, -47, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -47, -47,
+        // State 32
+        0, 16, 17, -46, 37, 38, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, -46, -46,
+        // State 33
+        -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, 0, -9, 0, -9, 0, -9, 0, -9, 0, 0, -9, -9, -9,
+        // State 34
+        0, -20, -20, -20, -20, -20, 0, 0, 0, 0, 0, 0, -20, 0, -20, 0, -20, 0, -20, 0, 0, -20, -20, -20,
+        // State 35
+        0, 0, 0, -17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -17, -17,
+        // State 36
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 37
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 38
+        0, 16, 17, -46, 37, 38, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, -46, -46,
+        // State 39
+        0, 0, 0, -15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15, -15,
+        // State 40
+        -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, -53, 0, -53, 0, -53, 0, -53, 0, -53, 0, 0, -53, -53, -53,
+        // State 41
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 58, 0,
+        // State 42
+        0, 16, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 43
+        -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, -54, 0, -54, 0, -54, 0, -54, 0, -54, 0, 0, -54, -54, -54,
+        // State 44
+        -10, 16, 17, 60, 37, 38, -10, -10, -10, -10, -10, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 45
+        0, 0, 0, 61, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 46
+        0, 0, 0, 62, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 47
+        -9, 16, 17, 0, 37, 38, -9, -9, -9, -9, -9, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 48
+        -10, 16, 17, 0, 37, 38, -10, -10, -10, -10, -10, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 63,
+        // State 49
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64,
+        // State 50
+        0, 0, 0, -12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -12, -12,
+        // State 51
+        0, 16, 17, -18, 37, 38, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, -18, -18,
+        // State 52
+        0, -19, -19, -19, -19, -19, 0, 0, 0, 0, 0, 0, -19, 0, -19, 0, -19, 0, -19, 0, 0, -19, -19, -19,
+        // State 53
+        0, -7, -7, -7, -7, -7, 0, 0, 0, 0, 0, 0, -7, 0, -7, 0, -7, 0, -7, 0, 0, -7, -7, -7,
+        // State 54
+        0, -26, -26, -26, -26, -26, 0, 0, 0, 0, 0, 0, -26, 0, -26, 0, -26, 0, -26, 0, 0, -26, -26, -26,
+        // State 55
+        0, -27, -27, -27, -27, -27, 0, 0, 0, 0, 0, 0, -27, 0, -27, 0, -27, 0, -27, 0, 0, -27, -27, -27,
+        // State 56
+        0, 16, 17, -16, 37, 38, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, -16, -16,
+        // State 57
+        0, 16, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0,
+        // State 58
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -4, 0,
+        // State 59
+        -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, -24, 0, -24, 0, -24, 0, -24, 0, -24, 0, 0, -24, -24, -24,
+        // State 60
+        -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, 0, -25, 0, -25, 0, -25, 0, -25, 0, 0, -25, -25, -25,
+        // State 61
+        -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, -23, 0, -23, 0, -23, 0, -23, 0, -23, 0, 0, -23, -23, -23,
+        // State 62
+        -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, 0, -14, 0, -14, 0, -14, 0, -14, 0, 0, -14, -14, -14,
+        // State 63
+        -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, -13, 0, -13, 0, -13, 0, -13, 0, -13, 0, 0, -13, -13, -13,
+        // State 64
+        0, -8, -8, -8, -8, -8, 0, 0, 0, 0, 0, 0, -8, 0, -8, 0, -8, 0, -8, 0, 0, -8, -8, -8,
+        // State 65
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -5, 0,
+    ];
+    const __EOF_ACTION: &'static [i8] = &[
+        // State 0
+        0,
+        // State 1
+        0,
+        // State 2
+        -44,
+        // State 3
+        -50,
+        // State 4
+        -22,
+        // State 5
+        -49,
+        // State 6
+        -48,
+        // State 7
+        -30,
+        // State 8
+        -21,
+        // State 9
+        -56,
+        // State 10
+        -42,
+        // State 11
+        -45,
+        // State 12
+        -29,
+        // State 13
+        -31,
+        // State 14
+        -32,
+        // State 15
+        0,
+        // State 16
+        0,
+        // State 17
+        -11,
+        // State 18
+        -52,
+        // State 19
+        -28,
+        // State 20
+        -51,
+        // State 21
+        0,
+        // State 22
+        0,
+        // State 23
+        0,
+        // State 24
+        0,
+        // State 25
+        0,
+        // State 26
+        0,
+        // State 27
+        0,
+        // State 28
+        0,
+        // State 29
+        -19,
+        // State 30
+        -10,
+        // State 31
+        -47,
+        // State 32
+        -46,
+        // State 33
+        -9,
+        // State 34
+        -20,
+        // State 35
+        -17,
+        // State 36
+        0,
+        // State 37
+        0,
+        // State 38
+        -46,
+        // State 39
+        -15,
+        // State 40
+        -53,
+        // State 41
+        -43,
+        // State 42
+        0,
+        // State 43
+        -54,
+        // State 44
+        0,
+        // State 45
+        0,
+        // State 46
+        0,
+        // State 47
+        0,
+        // State 48
+        0,
+        // State 49
+        0,
+        // State 50
+        -12,
+        // State 51
+        -18,
+        // State 52
+        -19,
+        // State 53
+        -7,
+        // State 54
+        -26,
+        // State 55
+        -27,
+        // State 56
+        -16,
+        // State 57
+        0,
+        // State 58
+        -4,
+        // State 59
+        -24,
+        // State 60
+        -25,
+        // State 61
+        -23,
+        // State 62
+        -14,
+        // State 63
+        -13,
+        // State 64
+        -8,
+        // State 65
+        -5,
+    ];
+    const __GOTO: &'static [i8] = &[
+        // State 0
+        0, 0, 0, 0, 0, 2, 3, 4, 5, 6, 0, 7, 0, 8, 9, 0, 0, 10, 11, 0, 12, 13, 14, 15, 0, 0,
+        // State 1
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 2
+        0, 0, 0, 0, 0, 30, 31, 32, 5, 0, 33, 34, 35, 8, 9, 0, 0, 0, 0, 36, 0, 13, 14, 15, 0, 0,
+        // State 3
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 4
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 5
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 6
+        0, 0, 0, 0, 0, 30, 31, 32, 5, 0, 39, 34, 35, 8, 9, 0, 0, 0, 0, 40, 0, 13, 14, 15, 0, 0,
+        // State 7
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 8
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 9
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 10
+        0, 0, 42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 11
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 12
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 13
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 14
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 15
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 16
+        0, 0, 0, 0, 0, 2, 45, 46, 5, 47, 0, 48, 0, 8, 9, 0, 0, 0, 0, 0, 0, 13, 14, 15, 0, 0,
+        // State 17
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 18
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 19
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 20
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 21
+        0, 0, 0, 0, 0, 2, 49, 4, 5, 6, 0, 7, 0, 8, 9, 0, 0, 0, 0, 0, 50, 13, 14, 15, 0, 0,
+        // State 22
+        0, 0, 0, 0, 0, 51, 31, 0, 5, 0, 0, 34, 0, 8, 9, 0, 0, 0, 0, 0, 0, 13, 14, 15, 0, 0,
+        // State 23
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 24
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 25
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 26
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 27
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 28
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 29
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 30
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 31
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 32
+        0, 0, 0, 0, 52, 53, 31, 0, 5, 0, 54, 34, 35, 8, 9, 0, 0, 0, 0, 0, 0, 13, 14, 15, 0, 0,
+        // State 33
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 34
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 35
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 36
+        0, 0, 0, 0, 0, 0, 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 37
+        0, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 38
+        0, 0, 0, 0, 57, 53, 31, 0, 5, 0, 54, 34, 35, 8, 9, 0, 0, 0, 0, 0, 0, 13, 14, 15, 0, 0,
+        // State 39
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 40
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 41
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 42
+        0, 0, 0, 0, 0, 2, 3, 4, 5, 6, 0, 7, 0, 8, 9, 0, 0, 0, 59, 0, 12, 13, 14, 15, 0, 0,
+        // State 43
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 44
+        0, 0, 0, 0, 0, 30, 31, 32, 5, 0, 33, 34, 35, 8, 9, 0, 0, 0, 0, 36, 0, 13, 14, 15, 0, 0,
+        // State 45
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 46
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 47
+        0, 0, 0, 0, 0, 30, 31, 32, 5, 0, 39, 34, 35, 8, 9, 0, 0, 0, 0, 40, 0, 13, 14, 15, 0, 0,
+        // State 48
+        0, 0, 0, 0, 0, 30, 31, 32, 5, 0, 33, 34, 35, 8, 9, 0, 0, 0, 0, 36, 0, 13, 14, 15, 0, 0,
+        // State 49
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 50
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 51
+        0, 0, 0, 0, 0, 53, 31, 0, 5, 0, 65, 34, 35, 8, 9, 0, 0, 0, 0, 0, 0, 13, 14, 15, 0, 0,
+        // State 52
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 53
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 54
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 55
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 56
+        0, 0, 0, 0, 0, 53, 31, 0, 5, 0, 65, 34, 35, 8, 9, 0, 0, 0, 0, 0, 0, 13, 14, 15, 0, 0,
+        // State 57
+        0, 0, 0, 0, 0, 2, 3, 4, 5, 6, 0, 7, 0, 8, 9, 0, 0, 0, 66, 0, 12, 13, 14, 15, 0, 0,
+        // State 58
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 59
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 60
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 61
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 62
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 63
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 64
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        // State 65
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    ];
+    fn __expected_tokens(__state: usize) -> Vec<::std::string::String> {
+        const __TERMINAL: &'static [&'static str] = &[
+            r###""!=""###,
+            r###""$""###,
+            r###""(""###,
+            r###"")""###,
+            r###""-""###,
+            r###""--""###,
+            r###""<""###,
+            r###""<=""###,
+            r###""==""###,
+            r###"">""###,
+            r###"">=""###,
+            r###""???.""###,
+            r###""bare""###,
+            r###""dqmember""###,
+            r###""dqstring""###,
+            r###""member""###,
+            r###""num""###,
+            r###""sqmember""###,
+            r###""sqstring""###,
+            r###""unit""###,
+            r###""variable""###,
+            r###""{""###,
+            r###""|""###,
+            r###""}""###,
+        ];
+        __ACTION[(__state * 24)..].iter().zip(__TERMINAL).filter_map(|(&state, terminal)| {
+            if state == 0 {
+                None
+            } else {
+                Some(terminal.to_string())
+            }
+        }).collect()
+    }
+    pub struct __StateMachine<'input>
+    where 
+    {
+        __phantom: ::std::marker::PhantomData<(&'input ())>,
+    }
+    impl<'input> __state_machine::ParserDefinition for __StateMachine<'input>
+    where 
+    {
+        type Location = usize;
+        type Error = ShellError;
+        type Token = SpannedToken<'input>;
+        type TokenIndex = usize;
+        type Symbol = __Symbol<'input>;
+        type Success = Pipeline;
+        type StateIndex = i8;
+        type Action = i8;
+        type ReduceIndex = i8;
+        type NonterminalIndex = usize;
+
+        #[inline]
+        fn start_location(&self) -> Self::Location {
+              Default::default()
+        }
+
+        #[inline]
+        fn start_state(&self) -> Self::StateIndex {
+              0
+        }
+
+        #[inline]
+        fn token_to_index(&self, token: &Self::Token) -> Option<usize> {
+            __token_to_integer(token, ::std::marker::PhantomData::<(&())>)
+        }
+
+        #[inline]
+        fn action(&self, state: i8, integer: usize) -> i8 {
+            __ACTION[(state as usize) * 24 + integer]
+        }
+
+        #[inline]
+        fn error_action(&self, state: i8) -> i8 {
+            __ACTION[(state as usize) * 24 + (24 - 1)]
+        }
+
+        #[inline]
+        fn eof_action(&self, state: i8) -> i8 {
+            __EOF_ACTION[state as usize]
+        }
+
+        #[inline]
+        fn goto(&self, state: i8, nt: usize) -> i8 {
+            __GOTO[(state as usize) * 26 + nt] - 1
+        }
+
+        fn token_to_symbol(&self, token_index: usize, token: Self::Token) -> Self::Symbol {
+            __token_to_symbol(token_index, token, ::std::marker::PhantomData::<(&())>)
+        }
+
+        fn expected_tokens(&self, state: i8) -> Vec<String> {
+            __expected_tokens(state as usize)
+        }
+
+        #[inline]
+        fn uses_error_recovery(&self) -> bool {
+            false
+        }
+
+        #[inline]
+        fn error_recovery_symbol(
+            &self,
+            recovery: __state_machine::ErrorRecovery<Self>,
+        ) -> Self::Symbol {
+            panic!("error recovery not enabled for this grammar")
+        }
+
+        fn reduce(
+            &mut self,
+            action: i8,
+            start_location: Option<&Self::Location>,
+            states: &mut Vec<i8>,
+            symbols: &mut Vec<__state_machine::SymbolTriple<Self>>,
+        ) -> Option<__state_machine::ParseResult<Self>> {
+            __reduce(
+                action,
+                start_location,
+                states,
+                symbols,
+                ::std::marker::PhantomData::<(&())>,
+            )
+        }
+
+        fn simulate_reduce(&self, action: i8) -> __state_machine::SimulatedReduce<Self> {
+            __simulate_reduce(action, ::std::marker::PhantomData::<(&())>)
+        }
+    }
+    fn __token_to_integer<
+        'input,
+    >(
+        __token: &SpannedToken<'input>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> Option<usize>
+    {
+        match *__token {
+            SpannedToken { token: Token::OpNeq, .. } if true => Some(0),
+            SpannedToken { token: Token::Dollar, .. } if true => Some(1),
+            SpannedToken { token: Token::OpenParen, .. } if true => Some(2),
+            SpannedToken { token: Token::CloseParen, .. } if true => Some(3),
+            SpannedToken { token: Token::Dash, .. } if true => Some(4),
+            SpannedToken { token: Token::DashDash, .. } if true => Some(5),
+            SpannedToken { token: Token::OpLt, .. } if true => Some(6),
+            SpannedToken { token: Token::OpLte, .. } if true => Some(7),
+            SpannedToken { token: Token::OpEq, .. } if true => Some(8),
+            SpannedToken { token: Token::OpGt, .. } if true => Some(9),
+            SpannedToken { token: Token::OpGte, .. } if true => Some(10),
+            SpannedToken { token: Token::PathDot, .. } if true => Some(11),
+            SpannedToken { token: Token::Bare, .. } if true => Some(12),
+            SpannedToken { token: Token::SQMember, .. } if true => Some(13),
+            SpannedToken { token: Token::DQString, .. } if true => Some(14),
+            SpannedToken { token: Token::Member, .. } if true => Some(15),
+            SpannedToken { token: Token::Num, .. } if true => Some(16),
+            SpannedToken { token: Token::SQMember, .. } if true => Some(17),
+            SpannedToken { token: Token::SQString, .. } if true => Some(18),
+            SpannedToken { token: Token::Unit, .. } if true => Some(19),
+            SpannedToken { token: Token::Variable, .. } if true => Some(20),
+            SpannedToken { token: Token::OpenBrace, .. } if true => Some(21),
+            SpannedToken { token: Token::Pipe, .. } if true => Some(22),
+            SpannedToken { token: Token::CloseBrace, .. } if true => Some(23),
+            _ => None,
+        }
+    }
+    fn __token_to_symbol<
+        'input,
+    >(
+        __token_index: usize,
+        __token: SpannedToken<'input>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> __Symbol<'input>
+    {
+        match __token_index {
+            0 => match __token {
+                __tok @ SpannedToken { token: Token::OpNeq, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            1 => match __token {
+                __tok @ SpannedToken { token: Token::Dollar, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            2 => match __token {
+                __tok @ SpannedToken { token: Token::OpenParen, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            3 => match __token {
+                __tok @ SpannedToken { token: Token::CloseParen, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            4 => match __token {
+                __tok @ SpannedToken { token: Token::Dash, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            5 => match __token {
+                __tok @ SpannedToken { token: Token::DashDash, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            6 => match __token {
+                __tok @ SpannedToken { token: Token::OpLt, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            7 => match __token {
+                __tok @ SpannedToken { token: Token::OpLte, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            8 => match __token {
+                __tok @ SpannedToken { token: Token::OpEq, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            9 => match __token {
+                __tok @ SpannedToken { token: Token::OpGt, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            10 => match __token {
+                __tok @ SpannedToken { token: Token::OpGte, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            11 => match __token {
+                __tok @ SpannedToken { token: Token::PathDot, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            12 => match __token {
+                __tok @ SpannedToken { token: Token::Bare, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            13 => match __token {
+                __tok @ SpannedToken { token: Token::SQMember, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            14 => match __token {
+                __tok @ SpannedToken { token: Token::DQString, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            15 => match __token {
+                __tok @ SpannedToken { token: Token::Member, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            16 => match __token {
+                __tok @ SpannedToken { token: Token::Num, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            17 => match __token {
+                __tok @ SpannedToken { token: Token::SQMember, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            18 => match __token {
+                __tok @ SpannedToken { token: Token::SQString, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            19 => match __token {
+                __tok @ SpannedToken { token: Token::Unit, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            20 => match __token {
+                __tok @ SpannedToken { token: Token::Variable, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            21 => match __token {
+                __tok @ SpannedToken { token: Token::OpenBrace, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            22 => match __token {
+                __tok @ SpannedToken { token: Token::Pipe, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            23 => match __token {
+                __tok @ SpannedToken { token: Token::CloseBrace, .. } => __Symbol::Variant0((__tok)),
+                _ => unreachable!(),
+            },
+            _ => unreachable!(),
+        }
+    }
+    fn __simulate_reduce<
+        'input,
+    >(
+        __reduce_index: i8,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> __state_machine::SimulatedReduce<__StateMachine<'input>>
+    {
+        match __reduce_index {
+            0 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 0,
+                }
+            }
+            1 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 0,
+                    nonterminal_produced: 1,
+                }
+            }
+            2 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 1,
+                }
+            }
+            3 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 2,
+                }
+            }
+            4 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 2,
+                }
+            }
+            5 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 3,
+                }
+            }
+            6 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 4,
+                }
+            }
+            7 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 4,
+                }
+            }
+            8 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 5,
+                }
+            }
+            9 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 5,
+                }
+            }
+            10 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 6,
+                }
+            }
+            11 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 7,
+                }
+            }
+            12 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 8,
+                }
+            }
+            13 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 8,
+                }
+            }
+            14 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 9,
+                }
+            }
+            15 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 9,
+                }
+            }
+            16 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 9,
+                }
+            }
+            17 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 9,
+                }
+            }
+            18 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 10,
+                }
+            }
+            19 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 10,
+                }
+            }
+            20 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 11,
+                }
+            }
+            21 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 11,
+                }
+            }
+            22 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 11,
+                }
+            }
+            23 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 11,
+                }
+            }
+            24 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 3,
+                    nonterminal_produced: 11,
+                }
+            }
+            25 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 12,
+                }
+            }
+            26 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 12,
+                }
+            }
+            27 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 13,
+                }
+            }
+            28 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 14,
+                }
+            }
+            29 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 14,
+                }
+            }
+            30 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 14,
+                }
+            }
+            31 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 14,
+                }
+            }
+            32 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 15,
+                }
+            }
+            33 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 15,
+                }
+            }
+            34 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 15,
+                }
+            }
+            35 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
+                }
+            }
+            36 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
+                }
+            }
+            37 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
+                }
+            }
+            38 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
+                }
+            }
+            39 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
+                }
+            }
+            40 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 16,
+                }
+            }
+            41 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 17,
+                }
+            }
+            42 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 17,
+                }
+            }
+            43 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 18,
+                }
+            }
+            44 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 18,
+                }
+            }
+            45 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 19,
+                }
+            }
+            46 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 19,
+                }
+            }
+            47 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 20,
+                }
+            }
+            48 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 20,
+                }
+            }
+            49 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 20,
+                }
+            }
+            50 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 21,
+                }
+            }
+            51 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 21,
+                }
+            }
+            52 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 22,
+                }
+            }
+            53 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 2,
+                    nonterminal_produced: 23,
+                }
+            }
+            54 => {
+                __state_machine::SimulatedReduce::Reduce {
+                    states_to_pop: 1,
+                    nonterminal_produced: 24,
+                }
+            }
+            55 => __state_machine::SimulatedReduce::Accept,
             _ => panic!("invalid reduction index {}", __reduce_index)
         }
     }
@@ -1260,8 +3613,11 @@ mod __parse__Pipeline {
                 __reduce53(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
             }
             54 => {
+                __reduce54(__action, __lookahead_start, __states, __symbols, ::std::marker::PhantomData::<(&())>)
+            }
+            55 => {
                 // __Pipeline = Pipeline => ActionFn(0);
-                let __sym0 = __pop_Variant12(__symbols);
+                let __sym0 = __pop_Variant8(__symbols);
                 let __start = __sym0.0.clone();
                 let __end = __sym0.2.clone();
                 let __nt = super::__action0::<>(__sym0);
@@ -1272,62 +3628,29 @@ mod __parse__Pipeline {
         let __states_len = __states.len();
         __states.truncate(__states_len - __pop_states);
         let __state = *__states.last().unwrap() as usize;
-        let __next_state = __GOTO[__state * 28 + __nonterminal] - 1;
+        let __next_state = __GOTO[__state * 26 + __nonterminal] - 1;
         __states.push(__next_state);
         None
     }
-    fn __pop_Variant7<
+    fn __pop_Variant3<
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
     ) -> (usize, BarePath, usize)
      {
         match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant7(__v), __r) => (__l, __v, __r),
+            (__l, __Symbol::Variant3(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
-    fn __pop_Variant6<
+    fn __pop_Variant1<
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
     ) -> (usize, Expression, usize)
      {
         match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant6(__v), __r) => (__l, __v, __r),
-            _ => panic!("symbol type mismatch")
-        }
-    }
-    fn __pop_Variant9<
-      'input,
-    >(
-        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, Flag, usize)
-     {
-        match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant9(__v), __r) => (__l, __v, __r),
-            _ => panic!("symbol type mismatch")
-        }
-    }
-    fn __pop_Variant13<
-      'input,
-    >(
-        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, Leaf, usize)
-     {
-        match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant13(__v), __r) => (__l, __v, __r),
-            _ => panic!("symbol type mismatch")
-        }
-    }
-    fn __pop_Variant11<
-      'input,
-    >(
-        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, Operator, usize)
-     {
-        match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant11(__v), __r) => (__l, __v, __r),
+            (__l, __Symbol::Variant1(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
@@ -1335,21 +3658,32 @@ mod __parse__Pipeline {
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, ParsedCommand, usize)
+    ) -> (usize, Flag, usize)
      {
         match __symbols.pop().unwrap() {
             (__l, __Symbol::Variant4(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
-    fn __pop_Variant12<
+    fn __pop_Variant7<
+      'input,
+    >(
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
+    ) -> (usize, Operator, usize)
+     {
+        match __symbols.pop().unwrap() {
+            (__l, __Symbol::Variant7(__v), __r) => (__l, __v, __r),
+            _ => panic!("symbol type mismatch")
+        }
+    }
+    fn __pop_Variant8<
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
     ) -> (usize, Pipeline, usize)
      {
         match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant12(__v), __r) => (__l, __v, __r),
+            (__l, __Symbol::Variant8(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
@@ -1364,36 +3698,14 @@ mod __parse__Pipeline {
             _ => panic!("symbol type mismatch")
         }
     }
-    fn __pop_Variant2<
+    fn __pop_Variant6<
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
     ) -> (usize, String, usize)
      {
         match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant2(__v), __r) => (__l, __v, __r),
-            _ => panic!("symbol type mismatch")
-        }
-    }
-    fn __pop_Variant10<
-      'input,
-    >(
-        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, i64, usize)
-     {
-        match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant10(__v), __r) => (__l, __v, __r),
-            _ => panic!("symbol type mismatch")
-        }
-    }
-    fn __pop_Variant8<
-      'input,
-    >(
-        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, ::std::vec::Vec<Expression>, usize)
-     {
-        match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant8(__v), __r) => (__l, __v, __r),
+            (__l, __Symbol::Variant6(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
@@ -1401,32 +3713,21 @@ mod __parse__Pipeline {
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, ::std::vec::Vec<ParsedCommand>, usize)
+    ) -> (usize, i64, usize)
      {
         match __symbols.pop().unwrap() {
             (__l, __Symbol::Variant5(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
-    fn __pop_Variant1<
+    fn __pop_Variant2<
       'input,
     >(
         __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, ::std::vec::Vec<SpannedToken<'input>>, usize)
+    ) -> (usize, ::std::vec::Vec<Expression>, usize)
      {
         match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant1(__v), __r) => (__l, __v, __r),
-            _ => panic!("symbol type mismatch")
-        }
-    }
-    fn __pop_Variant3<
-      'input,
-    >(
-        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>
-    ) -> (usize, ::std::vec::Vec<String>, usize)
-     {
-        match __symbols.pop().unwrap() {
-            (__l, __Symbol::Variant3(__v), __r) => (__l, __v, __r),
+            (__l, __Symbol::Variant2(__v), __r) => (__l, __v, __r),
             _ => panic!("symbol type mismatch")
         }
     }
@@ -1440,13 +3741,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <"member">) = "???.", "member" => ActionFn(43);
-        let __sym1 = __pop_Variant0(__symbols);
+        // ("|" <PipelineElement>) = "|", PipelineElement => ActionFn(52);
+        let __sym1 = __pop_Variant1(__symbols);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym1.2.clone();
-        let __nt = super::__action43::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant0(__nt), __end));
+        let __nt = super::__action52::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
         (2, 0)
     }
     pub(crate) fn __reduce1<
@@ -1459,11 +3760,11 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <"member">)* =  => ActionFn(41);
+        // ("|" <PipelineElement>)* =  => ActionFn(50);
         let __start = __symbols.last().map(|s| s.2.clone()).unwrap_or_default();
         let __end = __lookahead_start.cloned().unwrap_or_else(|| __start.clone());
-        let __nt = super::__action41::<>(&__start, &__end);
-        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        let __nt = super::__action50::<>(&__start, &__end);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
         (0, 1)
     }
     pub(crate) fn __reduce2<
@@ -1476,12 +3777,12 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <"member">)* = ("???." <"member">)+ => ActionFn(42);
-        let __sym0 = __pop_Variant1(__symbols);
+        // ("|" <PipelineElement>)* = ("|" <PipelineElement>)+ => ActionFn(51);
+        let __sym0 = __pop_Variant2(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action42::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        let __nt = super::__action51::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
         (1, 1)
     }
     pub(crate) fn __reduce3<
@@ -1494,13 +3795,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <"member">)+ = "???.", "member" => ActionFn(54);
-        let __sym1 = __pop_Variant0(__symbols);
+        // ("|" <PipelineElement>)+ = "|", PipelineElement => ActionFn(55);
+        let __sym1 = __pop_Variant1(__symbols);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym1.2.clone();
-        let __nt = super::__action54::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        let __nt = super::__action55::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
         (2, 2)
     }
     pub(crate) fn __reduce4<
@@ -1513,14 +3814,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <"member">)+ = ("???." <"member">)+, "???.", "member" => ActionFn(55);
-        let __sym2 = __pop_Variant0(__symbols);
+        // ("|" <PipelineElement>)+ = ("|" <PipelineElement>)+, "|", PipelineElement => ActionFn(56);
+        let __sym2 = __pop_Variant1(__symbols);
         let __sym1 = __pop_Variant0(__symbols);
-        let __sym0 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant2(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym2.2.clone();
-        let __nt = super::__action55::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        let __nt = super::__action56::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
         (3, 2)
     }
     pub(crate) fn __reduce5<
@@ -1533,14 +3834,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <Member>) = "???.", Member => ActionFn(46);
-        let __sym1 = __pop_Variant2(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // (<CallArgument>) = CallArgument => ActionFn(49);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action46::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
-        (2, 3)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action49::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 3)
     }
     pub(crate) fn __reduce6<
         'input,
@@ -1552,14 +3852,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <Member>)+ = "???.", Member => ActionFn(58);
-        let __sym1 = __pop_Variant2(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // (<CallArgument>)+ = CallArgument => ActionFn(59);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action58::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant3(__nt), __end));
-        (2, 4)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action59::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (1, 4)
     }
     pub(crate) fn __reduce7<
         'input,
@@ -1571,15 +3870,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("???." <Member>)+ = ("???." <Member>)+, "???.", Member => ActionFn(59);
-        let __sym2 = __pop_Variant2(__symbols);
-        let __sym1 = __pop_Variant0(__symbols);
-        let __sym0 = __pop_Variant3(__symbols);
+        // (<CallArgument>)+ = (<CallArgument>)+, CallArgument => ActionFn(60);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant2(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym2.2.clone();
-        let __nt = super::__action59::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant3(__nt), __end));
-        (3, 4)
+        let __end = __sym1.2.clone();
+        let __nt = super::__action60::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
+        (2, 4)
     }
     pub(crate) fn __reduce8<
         'input,
@@ -1591,14 +3889,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("|" <Command>) = "|", Command => ActionFn(51);
-        let __sym1 = __pop_Variant4(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // ArgumentExpression = Expression => ActionFn(21);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action51::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
-        (2, 5)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action21::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 5)
     }
     pub(crate) fn __reduce9<
         'input,
@@ -1610,14 +3907,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("|" <Command>)+ = "|", Command => ActionFn(60);
-        let __sym1 = __pop_Variant4(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // ArgumentExpression = Bare => ActionFn(22);
+        let __sym0 = __pop_Variant3(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action60::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant5(__nt), __end));
-        (2, 6)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action22::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 5)
     }
     pub(crate) fn __reduce10<
         'input,
@@ -1629,15 +3925,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // ("|" <Command>)+ = ("|" <Command>)+, "|", Command => ActionFn(61);
-        let __sym2 = __pop_Variant4(__symbols);
-        let __sym1 = __pop_Variant0(__symbols);
-        let __sym0 = __pop_Variant5(__symbols);
+        // Bare = "bare" => ActionFn(30);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym2.2.clone();
-        let __nt = super::__action61::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant5(__nt), __end));
-        (3, 6)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action30::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant3(__nt), __end));
+        (1, 6)
     }
     pub(crate) fn __reduce11<
         'input,
@@ -1649,13 +3943,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // AtomicExpression = Parenthesized => ActionFn(13);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Binary = ArgumentExpression, Operator, ArgumentExpression => ActionFn(13);
+        let __sym2 = __pop_Variant1(__symbols);
+        let __sym1 = __pop_Variant7(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym0.2.clone();
-        let __nt = super::__action13::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 7)
+        let __end = __sym2.2.clone();
+        let __nt = super::__action13::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 7)
     }
     pub(crate) fn __reduce12<
         'input,
@@ -1667,13 +3963,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // AtomicExpression = Leaf => ActionFn(14);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Block = "{", SingleExpression, "}" => ActionFn(14);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym0.2.clone();
-        let __nt = super::__action14::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 7)
+        let __end = __sym2.2.clone();
+        let __nt = super::__action14::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 8)
     }
     pub(crate) fn __reduce13<
         'input,
@@ -1685,13 +3983,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // BarePath = "bare" => ActionFn(56);
+        // Block = "{", Bare, "}" => ActionFn(15);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant3(__symbols);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym0.2.clone();
-        let __nt = super::__action56::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
-        (1, 8)
+        let __end = __sym2.2.clone();
+        let __nt = super::__action15::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 8)
     }
     pub(crate) fn __reduce14<
         'input,
@@ -1703,14 +4003,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // BarePath = "bare", ("???." <"member">)+ => ActionFn(57);
+        // Call = Expression, SingleCallArgument => ActionFn(9);
         let __sym1 = __pop_Variant1(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym1.2.clone();
-        let __nt = super::__action57::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
-        (2, 8)
+        let __nt = super::__action9::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 9)
     }
     pub(crate) fn __reduce15<
         'input,
@@ -1722,14 +4022,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // BinaryExpression = Expr, Operator, Expr => ActionFn(10);
-        let __sym2 = __pop_Variant6(__symbols);
-        let __sym1 = __pop_Variant11(__symbols);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Call = Expression, CallArgument, (<CallArgument>)+ => ActionFn(10);
+        let __sym2 = __pop_Variant2(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym2.2.clone();
         let __nt = super::__action10::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
         (3, 9)
     }
     pub(crate) fn __reduce16<
@@ -1742,15 +4042,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Block = "{", AtomicExpression, "}" => ActionFn(15);
-        let __sym2 = __pop_Variant0(__symbols);
-        let __sym1 = __pop_Variant6(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // Call = Bare, SingleCallArgument => ActionFn(11);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant3(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym2.2.clone();
-        let __nt = super::__action15::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (3, 10)
+        let __end = __sym1.2.clone();
+        let __nt = super::__action11::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 9)
     }
     pub(crate) fn __reduce17<
         'input,
@@ -1762,15 +4061,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Block = "{", BinaryExpression, "}" => ActionFn(16);
-        let __sym2 = __pop_Variant0(__symbols);
-        let __sym1 = __pop_Variant6(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // Call = Bare, CallArgument, (<CallArgument>)+ => ActionFn(12);
+        let __sym2 = __pop_Variant2(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant3(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym2.2.clone();
-        let __nt = super::__action16::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (3, 10)
+        let __nt = super::__action12::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 9)
     }
     pub(crate) fn __reduce18<
         'input,
@@ -1782,13 +4081,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Command = BarePath => ActionFn(3);
-        let __sym0 = __pop_Variant7(__symbols);
+        // CallArgument = ArgumentExpression => ActionFn(23);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action3::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
-        (1, 11)
+        let __nt = super::__action23::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 10)
     }
     pub(crate) fn __reduce19<
         'input,
@@ -1800,14 +4099,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Command = BarePath, Expr+ => ActionFn(4);
-        let __sym1 = __pop_Variant8(__symbols);
-        let __sym0 = __pop_Variant7(__symbols);
+        // CallArgument = Flag => ActionFn(24);
+        let __sym0 = __pop_Variant4(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action4::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
-        (2, 11)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action24::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 10)
     }
     pub(crate) fn __reduce20<
         'input,
@@ -1819,14 +4117,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Command = BarePath, BinaryExpression => ActionFn(5);
-        let __sym1 = __pop_Variant6(__symbols);
-        let __sym0 = __pop_Variant7(__symbols);
+        // Expression = LeafExpression => ActionFn(16);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action5::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
-        (2, 11)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action16::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 11)
     }
     pub(crate) fn __reduce21<
         'input,
@@ -1838,13 +4135,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Expr = PathExpression => ActionFn(23);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Expression = Block => ActionFn(17);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action23::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 12)
+        let __nt = super::__action17::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 11)
     }
     pub(crate) fn __reduce22<
         'input,
@@ -1856,13 +4153,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Expr = PathHead => ActionFn(24);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Expression = "(", Call, ")" => ActionFn(18);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym0.2.clone();
-        let __nt = super::__action24::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 12)
+        let __end = __sym2.2.clone();
+        let __nt = super::__action18::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 11)
     }
     pub(crate) fn __reduce23<
         'input,
@@ -1874,13 +4173,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Expr+ = Expr => ActionFn(47);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Expression = "(", Bare, ")" => ActionFn(19);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant3(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym0.2.clone();
-        let __nt = super::__action47::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
-        (1, 13)
+        let __end = __sym2.2.clone();
+        let __nt = super::__action19::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 11)
     }
     pub(crate) fn __reduce24<
         'input,
@@ -1892,14 +4193,15 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Expr+ = Expr+, Expr => ActionFn(48);
-        let __sym1 = __pop_Variant6(__symbols);
-        let __sym0 = __pop_Variant8(__symbols);
+        // Expression = "(", Binary, ")" => ActionFn(20);
+        let __sym2 = __pop_Variant0(__symbols);
+        let __sym1 = __pop_Variant1(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action48::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
-        (2, 13)
+        let __end = __sym2.2.clone();
+        let __nt = super::__action20::<>(__sym0, __sym1, __sym2);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (3, 11)
     }
     pub(crate) fn __reduce25<
         'input,
@@ -1911,14 +4213,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Flag = "-", BarePath => ActionFn(34);
-        let __sym1 = __pop_Variant7(__symbols);
+        // Flag = "-", Bare => ActionFn(44);
+        let __sym1 = __pop_Variant3(__symbols);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym1.2.clone();
-        let __nt = super::__action34::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant9(__nt), __end));
-        (2, 14)
+        let __nt = super::__action44::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
+        (2, 12)
     }
     pub(crate) fn __reduce26<
         'input,
@@ -1930,14 +4232,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Flag = "--", BarePath => ActionFn(35);
-        let __sym1 = __pop_Variant7(__symbols);
+        // Flag = "--", Bare => ActionFn(45);
+        let __sym1 = __pop_Variant3(__symbols);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym1.2.clone();
-        let __nt = super::__action35::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant9(__nt), __end));
-        (2, 14)
+        let __nt = super::__action45::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant4(__nt), __end));
+        (2, 12)
     }
     pub(crate) fn __reduce27<
         'input,
@@ -1949,13 +4251,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Int = "num" => ActionFn(39);
+        // Int = "num" => ActionFn(40);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action39::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant10(__nt), __end));
-        (1, 15)
+        let __nt = super::__action40::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant5(__nt), __end));
+        (1, 13)
     }
     pub(crate) fn __reduce28<
         'input,
@@ -1967,13 +4269,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Leaf = String => ActionFn(6);
-        let __sym0 = __pop_Variant2(__symbols);
+        // LeafExpression = String => ActionFn(5);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action6::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 16)
+        let __nt = super::__action5::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
     }
     pub(crate) fn __reduce29<
         'input,
@@ -1985,13 +4287,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Leaf = Int => ActionFn(7);
-        let __sym0 = __pop_Variant10(__symbols);
+        // LeafExpression = Int => ActionFn(6);
+        let __sym0 = __pop_Variant5(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action7::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 16)
+        let __nt = super::__action6::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
     }
     pub(crate) fn __reduce30<
         'input,
@@ -2003,13 +4305,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Leaf = UnitsNum => ActionFn(8);
-        let __sym0 = __pop_Variant13(__symbols);
+        // LeafExpression = UnitsNum => ActionFn(7);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action8::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 16)
+        let __nt = super::__action7::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
     }
     pub(crate) fn __reduce31<
         'input,
@@ -2021,13 +4323,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Leaf = Var => ActionFn(9);
-        let __sym0 = __pop_Variant6(__symbols);
+        // LeafExpression = Var => ActionFn(8);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action9::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 16)
+        let __nt = super::__action8::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 14)
     }
     pub(crate) fn __reduce32<
         'input,
@@ -2039,13 +4341,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Member = "member" => ActionFn(26);
+        // Member = "member" => ActionFn(31);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action26::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
-        (1, 17)
+        let __nt = super::__action31::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        (1, 15)
     }
     pub(crate) fn __reduce33<
         'input,
@@ -2057,13 +4359,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Member = String => ActionFn(27);
-        let __sym0 = __pop_Variant2(__symbols);
+        // Member = "dqmember" => ActionFn(32);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action27::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
-        (1, 17)
+        let __nt = super::__action32::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        (1, 15)
     }
     pub(crate) fn __reduce34<
         'input,
@@ -2075,13 +4377,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Operator = "==" => ActionFn(28);
+        // Member = "sqmember" => ActionFn(33);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action28::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant11(__nt), __end));
-        (1, 18)
+        let __nt = super::__action33::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
+        (1, 15)
     }
     pub(crate) fn __reduce35<
         'input,
@@ -2093,13 +4395,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Operator = "!=" => ActionFn(29);
+        // Operator = "==" => ActionFn(34);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action29::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant11(__nt), __end));
-        (1, 18)
+        let __nt = super::__action34::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
     }
     pub(crate) fn __reduce36<
         'input,
@@ -2111,13 +4413,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Operator = "<" => ActionFn(30);
+        // Operator = "!=" => ActionFn(35);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action30::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant11(__nt), __end));
-        (1, 18)
+        let __nt = super::__action35::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
     }
     pub(crate) fn __reduce37<
         'input,
@@ -2129,13 +4431,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Operator = ">" => ActionFn(31);
+        // Operator = "<" => ActionFn(36);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action31::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant11(__nt), __end));
-        (1, 18)
+        let __nt = super::__action36::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
     }
     pub(crate) fn __reduce38<
         'input,
@@ -2147,13 +4449,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Operator = "<=" => ActionFn(32);
+        // Operator = ">" => ActionFn(37);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action32::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant11(__nt), __end));
-        (1, 18)
+        let __nt = super::__action37::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
     }
     pub(crate) fn __reduce39<
         'input,
@@ -2165,13 +4467,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Operator = ">=" => ActionFn(33);
+        // Operator = "<=" => ActionFn(38);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action33::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant11(__nt), __end));
-        (1, 18)
+        let __nt = super::__action38::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
     }
     pub(crate) fn __reduce40<
         'input,
@@ -2183,15 +4485,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Parenthesized = "(", Leaf, ")" => ActionFn(11);
-        let __sym2 = __pop_Variant0(__symbols);
-        let __sym1 = __pop_Variant6(__symbols);
+        // Operator = ">=" => ActionFn(39);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym2.2.clone();
-        let __nt = super::__action11::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (3, 19)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action39::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant7(__nt), __end));
+        (1, 16)
     }
     pub(crate) fn __reduce41<
         'input,
@@ -2203,15 +4503,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Parenthesized = "(", BinaryExpression, ")" => ActionFn(12);
-        let __sym2 = __pop_Variant0(__symbols);
-        let __sym1 = __pop_Variant6(__symbols);
-        let __sym0 = __pop_Variant0(__symbols);
+        // Pipeline = PipelineElement => ActionFn(57);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym2.2.clone();
-        let __nt = super::__action12::<>(__sym0, __sym1, __sym2);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (3, 19)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action57::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
+        (1, 17)
     }
     pub(crate) fn __reduce42<
         'input,
@@ -2223,14 +4521,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // PathExpression = WholeExpression, ("???." <Member>)+ => ActionFn(22);
-        let __sym1 = __pop_Variant3(__symbols);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Pipeline = PipelineElement, ("|" <PipelineElement>)+ => ActionFn(58);
+        let __sym1 = __pop_Variant2(__symbols);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym1.2.clone();
-        let __nt = super::__action22::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (2, 20)
+        let __nt = super::__action58::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant8(__nt), __end));
+        (2, 17)
     }
     pub(crate) fn __reduce43<
         'input,
@@ -2242,13 +4540,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // PathHead = WholeExpression => ActionFn(19);
-        let __sym0 = __pop_Variant6(__symbols);
+        // PipelineElement = Bare => ActionFn(3);
+        let __sym0 = __pop_Variant3(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action19::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 21)
+        let __nt = super::__action3::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 18)
     }
     pub(crate) fn __reduce44<
         'input,
@@ -2260,13 +4558,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // PathHead = BarePath => ActionFn(20);
-        let __sym0 = __pop_Variant7(__symbols);
+        // PipelineElement = SingleExpression => ActionFn(4);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action20::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 21)
+        let __nt = super::__action4::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 18)
     }
     pub(crate) fn __reduce45<
         'input,
@@ -2278,13 +4576,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // PathHead = Flag => ActionFn(21);
-        let __sym0 = __pop_Variant9(__symbols);
+        // SingleCallArgument = CallArgument => ActionFn(25);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action21::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 21)
+        let __nt = super::__action25::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 19)
     }
     pub(crate) fn __reduce46<
         'input,
@@ -2296,13 +4594,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Pipeline = Command => ActionFn(1);
-        let __sym0 = __pop_Variant4(__symbols);
+        // SingleCallArgument = Binary => ActionFn(26);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action1::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant12(__nt), __end));
-        (1, 22)
+        let __nt = super::__action26::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 19)
     }
     pub(crate) fn __reduce47<
         'input,
@@ -2314,14 +4612,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Pipeline = Command, ("|" <Command>)+ => ActionFn(2);
-        let __sym1 = __pop_Variant5(__symbols);
-        let __sym0 = __pop_Variant4(__symbols);
+        // SingleExpression = Expression => ActionFn(27);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action2::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant12(__nt), __end));
-        (2, 22)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action27::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 20)
     }
     pub(crate) fn __reduce48<
         'input,
@@ -2333,13 +4630,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // String = "sqstring" => ActionFn(36);
-        let __sym0 = __pop_Variant0(__symbols);
+        // SingleExpression = Call => ActionFn(28);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action36::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
-        (1, 23)
+        let __nt = super::__action28::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 20)
     }
     pub(crate) fn __reduce49<
         'input,
@@ -2351,13 +4648,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // String = "dqstring" => ActionFn(37);
-        let __sym0 = __pop_Variant0(__symbols);
+        // SingleExpression = Binary => ActionFn(29);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action37::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant2(__nt), __end));
-        (1, 23)
+        let __nt = super::__action29::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 20)
     }
     pub(crate) fn __reduce50<
         'input,
@@ -2369,14 +4666,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // UnitsNum = Int, "unit" => ActionFn(40);
-        let __sym1 = __pop_Variant0(__symbols);
-        let __sym0 = __pop_Variant10(__symbols);
+        // String = "sqstring" => ActionFn(42);
+        let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action40::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant13(__nt), __end));
-        (2, 24)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action42::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 21)
     }
     pub(crate) fn __reduce51<
         'input,
@@ -2388,14 +4684,13 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // Var = "$", "variable" => ActionFn(25);
-        let __sym1 = __pop_Variant0(__symbols);
+        // String = "dqstring" => ActionFn(43);
         let __sym0 = __pop_Variant0(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym1.2.clone();
-        let __nt = super::__action25::<>(__sym0, __sym1);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (2, 25)
+        let __end = __sym0.2.clone();
+        let __nt = super::__action43::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 21)
     }
     pub(crate) fn __reduce52<
         'input,
@@ -2407,13 +4702,14 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // WholeExpression = AtomicExpression => ActionFn(17);
-        let __sym0 = __pop_Variant6(__symbols);
+        // UnitsNum = Int, "unit" => ActionFn(41);
+        let __sym1 = __pop_Variant0(__symbols);
+        let __sym0 = __pop_Variant5(__symbols);
         let __start = __sym0.0.clone();
-        let __end = __sym0.2.clone();
-        let __nt = super::__action17::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 26)
+        let __end = __sym1.2.clone();
+        let __nt = super::__action41::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 22)
     }
     pub(crate) fn __reduce53<
         'input,
@@ -2425,13 +4721,32 @@ mod __parse__Pipeline {
         _: ::std::marker::PhantomData<(&'input ())>,
     ) -> (usize, usize)
     {
-        // WholeExpression = Block => ActionFn(18);
-        let __sym0 = __pop_Variant6(__symbols);
+        // Var = "$", "variable" => ActionFn(46);
+        let __sym1 = __pop_Variant0(__symbols);
+        let __sym0 = __pop_Variant0(__symbols);
+        let __start = __sym0.0.clone();
+        let __end = __sym1.2.clone();
+        let __nt = super::__action46::<>(__sym0, __sym1);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (2, 23)
+    }
+    pub(crate) fn __reduce54<
+        'input,
+    >(
+        __action: i8,
+        __lookahead_start: Option<&usize>,
+        __states: &mut ::std::vec::Vec<i8>,
+        __symbols: &mut ::std::vec::Vec<(usize,__Symbol<'input>,usize)>,
+        _: ::std::marker::PhantomData<(&'input ())>,
+    ) -> (usize, usize)
+    {
+        // __Call = Call => ActionFn(1);
+        let __sym0 = __pop_Variant1(__symbols);
         let __start = __sym0.0.clone();
         let __end = __sym0.2.clone();
-        let __nt = super::__action18::<>(__sym0);
-        __symbols.push((__start, __Symbol::Variant6(__nt), __end));
-        (1, 26)
+        let __nt = super::__action1::<>(__sym0);
+        __symbols.push((__start, __Symbol::Variant1(__nt), __end));
+        (1, 24)
     }
 }
 pub use self::__parse__Pipeline::PipelineParser;
@@ -2448,17 +4763,17 @@ fn __action0<
 fn __action1<
     'input,
 >(
-    (_, first, _): (usize, ParsedCommand, usize),
-) -> Pipeline
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
 {
-    Pipeline::new(vec![first])
+    (__0)
 }
 
 fn __action2<
     'input,
 >(
-    (_, first, _): (usize, ParsedCommand, usize),
-    (_, rest, _): (usize, ::std::vec::Vec<ParsedCommand>, usize),
+    (_, first, _): (usize, Expression, usize),
+    (_, rest, _): (usize, ::std::vec::Vec<Expression>, usize),
 ) -> Pipeline
 {
     Pipeline::from_parts(first, rest)
@@ -2467,61 +4782,14 @@ fn __action2<
 fn __action3<
     'input,
 >(
-    (_, command, _): (usize, BarePath, usize),
-) -> ParsedCommand
+    (_, __0, _): (usize, BarePath, usize),
+) -> Expression
 {
-    ParsedCommand::new(command.to_string(), vec![])
+    Expression::call(Expression::bare(__0), vec![])
 }
 
 fn __action4<
     'input,
->(
-    (_, command, _): (usize, BarePath, usize),
-    (_, expr, _): (usize, ::std::vec::Vec<Expression>, usize),
-) -> ParsedCommand
-{
-    ParsedCommand::new(command.to_string(), expr)
-}
-
-fn __action5<
-    'input,
->(
-    (_, command, _): (usize, BarePath, usize),
-    (_, expr, _): (usize, Expression, usize),
-) -> ParsedCommand
-{
-    ParsedCommand::new(command.to_string(), vec![expr])
-}
-
-fn __action6<
-    'input,
->(
-    (_, __0, _): (usize, String, usize),
-) -> Expression
-{
-    Expression::Leaf(Leaf::String(__0))
-}
-
-fn __action7<
-    'input,
->(
-    (_, __0, _): (usize, i64, usize),
-) -> Expression
-{
-    Expression::Leaf(Leaf::Int(__0))
-}
-
-fn __action8<
-    'input,
->(
-    (_, __0, _): (usize, Leaf, usize),
-) -> Expression
-{
-    Expression::Leaf(__0)
-}
-
-fn __action9<
-    'input,
 >(
     (_, __0, _): (usize, Expression, usize),
 ) -> Expression
@@ -2529,77 +4797,124 @@ fn __action9<
     __0
 }
 
+fn __action5<
+    'input,
+>(
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
+{
+    __0
+}
+
+fn __action6<
+    'input,
+>(
+    (_, __0, _): (usize, i64, usize),
+) -> Expression
+{
+    Expression::leaf(Leaf::Int(__0))
+}
+
+fn __action7<
+    'input,
+>(
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
+{
+    __0
+}
+
+fn __action8<
+    'input,
+>(
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
+{
+    __0
+}
+
+fn __action9<
+    'input,
+>(
+    (_, expr, _): (usize, Expression, usize),
+    (_, rest, _): (usize, Expression, usize),
+) -> Expression
+{
+    Expression::call(expr, vec![rest])
+}
+
 fn __action10<
     'input,
+>(
+    (_, expr, _): (usize, Expression, usize),
+    (_, first, _): (usize, Expression, usize),
+    (_, rest, _): (usize, ::std::vec::Vec<Expression>, usize),
+) -> Expression
+{
+    Expression::call(expr, { let mut rest = rest; let mut v = vec![first]; v.append(&mut rest); v })
+}
+
+fn __action11<
+    'input,
+>(
+    (_, expr, _): (usize, BarePath, usize),
+    (_, rest, _): (usize, Expression, usize),
+) -> Expression
+{
+    Expression::call(Expression::bare(expr), vec![rest])
+}
+
+fn __action12<
+    'input,
+>(
+    (_, expr, _): (usize, BarePath, usize),
+    (_, first, _): (usize, Expression, usize),
+    (_, rest, _): (usize, ::std::vec::Vec<Expression>, usize),
+) -> Expression
+{
+    Expression::call(Expression::bare(expr), { let mut v = vec![first]; let mut rest = rest; v.append(&mut rest); v })
+}
+
+fn __action13<
+    'input,
 >(
     (_, left, _): (usize, Expression, usize),
     (_, op, _): (usize, Operator, usize),
     (_, right, _): (usize, Expression, usize),
 ) -> Expression
 {
-    Expression::Binary(Box::new(Binary::new(left, op, right)))
-}
-
-fn __action11<
-    'input,
->(
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, Expression, usize),
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-) -> Expression
-{
-    Expression::Parenthesized(Box::new(Parenthesized::new(__0)))
-}
-
-fn __action12<
-    'input,
->(
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, Expression, usize),
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-) -> Expression
-{
-    Expression::Parenthesized(Box::new(Parenthesized::new(__0)))
-}
-
-fn __action13<
-    'input,
->(
-    (_, __0, _): (usize, Expression, usize),
-) -> Expression
-{
-    (__0)
+    Expression::binary(left, op, right)
 }
 
 fn __action14<
     'input,
 >(
+    (_, _, _): (usize, SpannedToken<'input>, usize),
     (_, __0, _): (usize, Expression, usize),
+    (_, _, _): (usize, SpannedToken<'input>, usize),
 ) -> Expression
 {
-    (__0)
+    Expression::block(__0)
 }
 
 fn __action15<
     'input,
 >(
     (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, Expression, usize),
+    (_, __0, _): (usize, BarePath, usize),
     (_, _, _): (usize, SpannedToken<'input>, usize),
 ) -> Expression
 {
-    Expression::Block(Box::new(Block::new(__0)))
+    Expression::block(Expression::call(Expression::bare(__0), vec![]))
 }
 
 fn __action16<
     'input,
 >(
-    (_, _, _): (usize, SpannedToken<'input>, usize),
     (_, __0, _): (usize, Expression, usize),
-    (_, _, _): (usize, SpannedToken<'input>, usize),
 ) -> Expression
 {
-    Expression::Block(Box::new(Block::new(__0)))
+    __0
 }
 
 fn __action17<
@@ -2608,20 +4923,44 @@ fn __action17<
     (_, __0, _): (usize, Expression, usize),
 ) -> Expression
 {
-    (__0)
+    __0
 }
 
 fn __action18<
     'input,
 >(
+    (_, _, _): (usize, SpannedToken<'input>, usize),
     (_, __0, _): (usize, Expression, usize),
+    (_, _, _): (usize, SpannedToken<'input>, usize),
 ) -> Expression
 {
-    (__0)
+    __0
 }
 
 fn __action19<
     'input,
+>(
+    (_, _, _): (usize, SpannedToken<'input>, usize),
+    (_, __0, _): (usize, BarePath, usize),
+    (_, _, _): (usize, SpannedToken<'input>, usize),
+) -> Expression
+{
+    Expression::call(Expression::bare(__0), vec![])
+}
+
+fn __action20<
+    'input,
+>(
+    (_, _, _): (usize, SpannedToken<'input>, usize),
+    (_, __0, _): (usize, Expression, usize),
+    (_, _, _): (usize, SpannedToken<'input>, usize),
+) -> Expression
+{
+    __0
+}
+
+fn __action21<
+    'input,
 >(
     (_, __0, _): (usize, Expression, usize),
 ) -> Expression
@@ -2629,32 +4968,13 @@ fn __action19<
     (__0)
 }
 
-fn __action20<
+fn __action22<
     'input,
 >(
     (_, __0, _): (usize, BarePath, usize),
 ) -> Expression
 {
-    Expression::Leaf(Leaf::Bare(__0))
-}
-
-fn __action21<
-    'input,
->(
-    (_, __0, _): (usize, Flag, usize),
-) -> Expression
-{
-    Expression::Flag(__0)
-}
-
-fn __action22<
-    'input,
->(
-    (_, head, _): (usize, Expression, usize),
-    (_, tail, _): (usize, ::std::vec::Vec<String>, usize),
-) -> Expression
-{
-    Expression::Path(Box::new(Path::new(head, tail)))
+    Expression::bare(__0)
 }
 
 fn __action23<
@@ -2663,11 +4983,20 @@ fn __action23<
     (_, __0, _): (usize, Expression, usize),
 ) -> Expression
 {
-    (__0)
+    __0
 }
 
 fn __action24<
     'input,
+>(
+    (_, __0, _): (usize, Flag, usize),
+) -> Expression
+{
+    Expression::flag(__0)
+}
+
+fn __action25<
+    'input,
 >(
     (_, __0, _): (usize, Expression, usize),
 ) -> Expression
@@ -2675,17 +5004,52 @@ fn __action24<
     (__0)
 }
 
-fn __action25<
+fn __action26<
     'input,
 >(
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, SpannedToken<'input>, usize),
+    (_, __0, _): (usize, Expression, usize),
 ) -> Expression
 {
-    Variable::from_str(__0.as_slice())
+    (__0)
 }
 
-fn __action26<
+fn __action27<
+    'input,
+>(
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
+{
+    (__0)
+}
+
+fn __action28<
+    'input,
+>(
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
+{
+    (__0)
+}
+
+fn __action29<
+    'input,
+>(
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
+{
+    (__0)
+}
+
+fn __action30<
+    'input,
+>(
+    (_, head, _): (usize, SpannedToken<'input>, usize),
+) -> BarePath
+{
+    BarePath::from_token(head)
+}
+
+fn __action31<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2694,16 +5058,25 @@ fn __action26<
     __0.to_string()
 }
 
-fn __action27<
+fn __action32<
     'input,
 >(
-    (_, __0, _): (usize, String, usize),
+    (_, __0, _): (usize, SpannedToken<'input>, usize),
 ) -> String
 {
-    (__0)
+    __0.to_string()
 }
 
-fn __action28<
+fn __action33<
+    'input,
+>(
+    (_, __0, _): (usize, SpannedToken<'input>, usize),
+) -> String
+{
+    __0.to_string()
+}
+
+fn __action34<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2712,7 +5085,7 @@ fn __action28<
     Operator::Equal
 }
 
-fn __action29<
+fn __action35<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2721,7 +5094,7 @@ fn __action29<
     Operator::NotEqual
 }
 
-fn __action30<
+fn __action36<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2730,7 +5103,7 @@ fn __action30<
     Operator::LessThan
 }
 
-fn __action31<
+fn __action37<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2739,7 +5112,7 @@ fn __action31<
     Operator::GreaterThan
 }
 
-fn __action32<
+fn __action38<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2748,7 +5121,7 @@ fn __action32<
     Operator::LessThanOrEqual
 }
 
-fn __action33<
+fn __action39<
     'input,
 >(
     (_, __0, _): (usize, SpannedToken<'input>, usize),
@@ -2757,7 +5130,44 @@ fn __action33<
     Operator::GreaterThanOrEqual
 }
 
-fn __action34<
+fn __action40<
+    'input,
+>(
+    (_, __0, _): (usize, SpannedToken<'input>, usize),
+) -> i64
+{
+    i64::from_str(__0.as_slice()).unwrap()
+}
+
+fn __action41<
+    'input,
+>(
+    (_, num, _): (usize, i64, usize),
+    (_, unit, _): (usize, SpannedToken<'input>, usize),
+) -> Expression
+{
+    Expression::leaf(Leaf::Unit(num, Unit::from_str(unit.as_slice()).unwrap()))
+}
+
+fn __action42<
+    'input,
+>(
+    (_, __0, _): (usize, SpannedToken<'input>, usize),
+) -> Expression
+{
+    __0.as_slice()[1..(__0.as_slice().len() - 1)].to_string().into()
+}
+
+fn __action43<
+    'input,
+>(
+    (_, __0, _): (usize, SpannedToken<'input>, usize),
+) -> Expression
+{
+    __0.as_slice()[1..(__0.as_slice().len() - 1)].to_string().into()
+}
+
+fn __action44<
     'input,
 >(
     (_, _, _): (usize, SpannedToken<'input>, usize),
@@ -2767,7 +5177,7 @@ fn __action34<
     Flag::Shorthand(__0.to_string())
 }
 
-fn __action35<
+fn __action45<
     'input,
 >(
     (_, _, _): (usize, SpannedToken<'input>, usize),
@@ -2777,109 +5187,14 @@ fn __action35<
     Flag::Longhand(__0.to_string())
 }
 
-fn __action36<
-    'input,
->(
-    (_, __0, _): (usize, SpannedToken<'input>, usize),
-) -> String
-{
-    __0.as_slice()[1..(__0.as_slice().len() - 1)].to_string()
-}
-
-fn __action37<
-    'input,
->(
-    (_, __0, _): (usize, SpannedToken<'input>, usize),
-) -> String
-{
-    __0.as_slice()[1..(__0.as_slice().len() - 1)].to_string()
-}
-
-fn __action38<
-    'input,
->(
-    (_, head, _): (usize, SpannedToken<'input>, usize),
-    (_, tail, _): (usize, ::std::vec::Vec<SpannedToken<'input>>, usize),
-) -> BarePath
-{
-    BarePath::from_tokens(head, tail)
-}
-
-fn __action39<
-    'input,
->(
-    (_, __0, _): (usize, SpannedToken<'input>, usize),
-) -> i64
-{
-    i64::from_str(__0.as_slice()).unwrap()
-}
-
-fn __action40<
-    'input,
->(
-    (_, num, _): (usize, i64, usize),
-    (_, unit, _): (usize, SpannedToken<'input>, usize),
-) -> Leaf
-{
-    Leaf::Unit(num, Unit::from_str(unit.as_slice()).unwrap())
-}
-
-fn __action41<
-    'input,
->(
-    __lookbehind: &usize,
-    __lookahead: &usize,
-) -> ::std::vec::Vec<SpannedToken<'input>>
-{
-    vec![]
-}
-
-fn __action42<
-    'input,
->(
-    (_, v, _): (usize, ::std::vec::Vec<SpannedToken<'input>>, usize),
-) -> ::std::vec::Vec<SpannedToken<'input>>
-{
-    v
-}
-
-fn __action43<
-    'input,
->(
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, SpannedToken<'input>, usize),
-) -> SpannedToken<'input>
-{
-    (__0)
-}
-
-fn __action44<
-    'input,
->(
-    (_, __0, _): (usize, String, usize),
-) -> ::std::vec::Vec<String>
-{
-    vec![__0]
-}
-
-fn __action45<
-    'input,
->(
-    (_, v, _): (usize, ::std::vec::Vec<String>, usize),
-    (_, e, _): (usize, String, usize),
-) -> ::std::vec::Vec<String>
-{
-    { let mut v = v; v.push(e); v }
-}
-
 fn __action46<
     'input,
 >(
     (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, String, usize),
-) -> String
+    (_, __0, _): (usize, SpannedToken<'input>, usize),
+) -> Expression
 {
-    (__0)
+    Variable::from_str(__0.as_slice()).into()
 }
 
 fn __action47<
@@ -2904,87 +5219,75 @@ fn __action48<
 fn __action49<
     'input,
 >(
-    (_, __0, _): (usize, ParsedCommand, usize),
-) -> ::std::vec::Vec<ParsedCommand>
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
 {
-    vec![__0]
+    (__0)
 }
 
 fn __action50<
     'input,
 >(
-    (_, v, _): (usize, ::std::vec::Vec<ParsedCommand>, usize),
-    (_, e, _): (usize, ParsedCommand, usize),
-) -> ::std::vec::Vec<ParsedCommand>
+    __lookbehind: &usize,
+    __lookahead: &usize,
+) -> ::std::vec::Vec<Expression>
 {
-    { let mut v = v; v.push(e); v }
+    vec![]
 }
 
 fn __action51<
     'input,
 >(
-    (_, _, _): (usize, SpannedToken<'input>, usize),
-    (_, __0, _): (usize, ParsedCommand, usize),
-) -> ParsedCommand
+    (_, v, _): (usize, ::std::vec::Vec<Expression>, usize),
+) -> ::std::vec::Vec<Expression>
 {
-    (__0)
+    v
 }
 
 fn __action52<
     'input,
 >(
-    (_, __0, _): (usize, SpannedToken<'input>, usize),
-) -> ::std::vec::Vec<SpannedToken<'input>>
+    (_, _, _): (usize, SpannedToken<'input>, usize),
+    (_, __0, _): (usize, Expression, usize),
+) -> Expression
 {
-    vec![__0]
+    (__0)
 }
 
 fn __action53<
     'input,
 >(
-    (_, v, _): (usize, ::std::vec::Vec<SpannedToken<'input>>, usize),
-    (_, e, _): (usize, SpannedToken<'input>, usize),
-) -> ::std::vec::Vec<SpannedToken<'input>>
+    (_, __0, _): (usize, Expression, usize),
+) -> ::std::vec::Vec<Expression>
 {
-    { let mut v = v; v.push(e); v }
+    vec![__0]
 }
 
 fn __action54<
     'input,
 >(
-    __0: (usize, SpannedToken<'input>, usize),
-    __1: (usize, SpannedToken<'input>, usize),
-) -> ::std::vec::Vec<SpannedToken<'input>>
+    (_, v, _): (usize, ::std::vec::Vec<Expression>, usize),
+    (_, e, _): (usize, Expression, usize),
+) -> ::std::vec::Vec<Expression>
 {
-    let __start0 = __0.0.clone();
-    let __end0 = __1.2.clone();
-    let __temp0 = __action43(
-        __0,
-        __1,
-    );
-    let __temp0 = (__start0, __temp0, __end0);
-    __action52(
-        __temp0,
-    )
+    { let mut v = v; v.push(e); v }
 }
 
 fn __action55<
     'input,
 >(
-    __0: (usize, ::std::vec::Vec<SpannedToken<'input>>, usize),
-    __1: (usize, SpannedToken<'input>, usize),
-    __2: (usize, SpannedToken<'input>, usize),
-) -> ::std::vec::Vec<SpannedToken<'input>>
+    __0: (usize, SpannedToken<'input>, usize),
+    __1: (usize, Expression, usize),
+) -> ::std::vec::Vec<Expression>
 {
-    let __start0 = __1.0.clone();
-    let __end0 = __2.2.clone();
-    let __temp0 = __action43(
+    let __start0 = __0.0.clone();
+    let __end0 = __1.2.clone();
+    let __temp0 = __action52(
+        __0,
         __1,
-        __2,
     );
     let __temp0 = (__start0, __temp0, __end0);
     __action53(
-        __0,
         __temp0,
     )
 }
@@ -2992,17 +5295,19 @@ fn __action55<
 fn __action56<
     'input,
 >(
-    __0: (usize, SpannedToken<'input>, usize),
-) -> BarePath
+    __0: (usize, ::std::vec::Vec<Expression>, usize),
+    __1: (usize, SpannedToken<'input>, usize),
+    __2: (usize, Expression, usize),
+) -> ::std::vec::Vec<Expression>
 {
-    let __start0 = __0.2.clone();
-    let __end0 = __0.2.clone();
-    let __temp0 = __action41(
-        &__start0,
-        &__end0,
+    let __start0 = __1.0.clone();
+    let __end0 = __2.2.clone();
+    let __temp0 = __action52(
+        __1,
+        __2,
     );
     let __temp0 = (__start0, __temp0, __end0);
-    __action38(
+    __action54(
         __0,
         __temp0,
     )
@@ -3011,17 +5316,17 @@ fn __action56<
 fn __action57<
     'input,
 >(
-    __0: (usize, SpannedToken<'input>, usize),
-    __1: (usize, ::std::vec::Vec<SpannedToken<'input>>, usize),
-) -> BarePath
+    __0: (usize, Expression, usize),
+) -> Pipeline
 {
-    let __start0 = __1.0.clone();
-    let __end0 = __1.2.clone();
-    let __temp0 = __action42(
-        __1,
+    let __start0 = __0.2.clone();
+    let __end0 = __0.2.clone();
+    let __temp0 = __action50(
+        &__start0,
+        &__end0,
     );
     let __temp0 = (__start0, __temp0, __end0);
-    __action38(
+    __action2(
         __0,
         __temp0,
     )
@@ -3030,18 +5335,18 @@ fn __action57<
 fn __action58<
     'input,
 >(
-    __0: (usize, SpannedToken<'input>, usize),
-    __1: (usize, String, usize),
-) -> ::std::vec::Vec<String>
+    __0: (usize, Expression, usize),
+    __1: (usize, ::std::vec::Vec<Expression>, usize),
+) -> Pipeline
 {
-    let __start0 = __0.0.clone();
+    let __start0 = __1.0.clone();
     let __end0 = __1.2.clone();
-    let __temp0 = __action46(
-        __0,
+    let __temp0 = __action51(
         __1,
     );
     let __temp0 = (__start0, __temp0, __end0);
-    __action44(
+    __action2(
+        __0,
         __temp0,
     )
 }
@@ -3049,20 +5354,16 @@ fn __action58<
 fn __action59<
     'input,
 >(
-    __0: (usize, ::std::vec::Vec<String>, usize),
-    __1: (usize, SpannedToken<'input>, usize),
-    __2: (usize, String, usize),
-) -> ::std::vec::Vec<String>
+    __0: (usize, Expression, usize),
+) -> ::std::vec::Vec<Expression>
 {
-    let __start0 = __1.0.clone();
-    let __end0 = __2.2.clone();
-    let __temp0 = __action46(
-        __1,
-        __2,
+    let __start0 = __0.0.clone();
+    let __end0 = __0.2.clone();
+    let __temp0 = __action49(
+        __0,
     );
     let __temp0 = (__start0, __temp0, __end0);
-    __action45(
-        __0,
+    __action47(
         __temp0,
     )
 }
@@ -3070,38 +5371,17 @@ fn __action59<
 fn __action60<
     'input,
 >(
-    __0: (usize, SpannedToken<'input>, usize),
-    __1: (usize, ParsedCommand, usize),
-) -> ::std::vec::Vec<ParsedCommand>
-{
-    let __start0 = __0.0.clone();
-    let __end0 = __1.2.clone();
-    let __temp0 = __action51(
-        __0,
-        __1,
-    );
-    let __temp0 = (__start0, __temp0, __end0);
-    __action49(
-        __temp0,
-    )
-}
-
-fn __action61<
-    'input,
->(
-    __0: (usize, ::std::vec::Vec<ParsedCommand>, usize),
-    __1: (usize, SpannedToken<'input>, usize),
-    __2: (usize, ParsedCommand, usize),
-) -> ::std::vec::Vec<ParsedCommand>
+    __0: (usize, ::std::vec::Vec<Expression>, usize),
+    __1: (usize, Expression, usize),
+) -> ::std::vec::Vec<Expression>
 {
     let __start0 = __1.0.clone();
-    let __end0 = __2.2.clone();
-    let __temp0 = __action51(
+    let __end0 = __1.2.clone();
+    let __temp0 = __action49(
         __1,
-        __2,
     );
     let __temp0 = (__start0, __temp0, __end0);
-    __action50(
+    __action48(
         __0,
         __temp0,
     )
diff --git a/src/parser/registry.rs b/src/parser/registry.rs
index ddccdee37..11fbcfa65 100644
--- a/src/parser/registry.rs
+++ b/src/parser/registry.rs
@@ -73,6 +73,7 @@ pub struct CommandConfig {
     crate named: IndexMap<String, NamedType>,
 }
 
+#[derive(Debug, Default)]
 pub struct Args {
     pub positional: Vec<Value>,
     pub named: IndexMap<String, Value>,