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Merge remote-tracking branch 'upstream/master' into range

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This commit is contained in:
Sebastian Jung 2019-12-03 20:23:49 +01:00
commit bda5db59c8
226 changed files with 4276 additions and 3459 deletions
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207
Cargo.lock generated
View File

@ -35,9 +35,9 @@ dependencies = [
[[package]]
name = "anyhow"
version = "1.0.24"
version = "1.0.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b412394828b7ca486b362f300b762d8e43dafd6f0d727b63f1cd2ade207c6cef"
checksum = "9267dff192e68f3399525901e709a48c1d3982c9c072fa32f2127a0cb0babf14"
[[package]]
name = "app_dirs"
@ -855,6 +855,15 @@ dependencies = [
"termcolor",
]
[[package]]
name = "erased-serde"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3beee4bc16478a1b26f2e80ad819a52d24745e292f521a63c16eea5f74b7eb60"
dependencies = [
"serde 1.0.103",
]
[[package]]
name = "failure"
version = "0.1.6"
@ -1082,6 +1091,17 @@ dependencies = [
"syn",
]
[[package]]
name = "ghost"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2a36606a68532b5640dc86bb1f33c64b45c4682aad4c50f3937b317ea387f3d6"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "git2"
version = "0.10.2"
@ -1326,9 +1346,9 @@ checksum = "023b39be39e3a2da62a94feb433e91e8bcd37676fbc8bea371daf52b7a769a3e"
[[package]]
name = "http"
version = "0.1.20"
version = "0.1.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2790658cddc82e82b08e25176c431d7015a0adeb1718498715cbd20138a0bf68"
checksum = "d6ccf5ede3a895d8856620237b2f02972c1bbc78d2965ad7fe8838d4a0ed41f0"
dependencies = [
"bytes",
"fnv",
@ -1388,6 +1408,28 @@ dependencies = [
"adler32",
]
[[package]]
name = "inventory"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f4cece20baea71d9f3435e7bbe9adf4765f091c5fe404975f844006964a71299"
dependencies = [
"ctor",
"ghost",
"inventory-impl",
]
[[package]]
name = "inventory-impl"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c2869bf972e998977b1cb87e60df70341d48e48dca0823f534feb91ea44adaf9"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "iovec"
version = "0.1.4"
@ -1540,9 +1582,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.65"
version = "0.2.66"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a31a0627fdf1f6a39ec0dd577e101440b7db22672c0901fe00a9a6fbb5c24e8"
checksum = "d515b1f41455adea1313a4a2ac8a8a477634fbae63cc6100e3aebb207ce61558"
[[package]]
name = "libgit2-sys"
@ -1836,7 +1878,7 @@ dependencies = [
[[package]]
name = "nu"
version = "0.6.1"
version = "0.6.2"
dependencies = [
"ansi_term 0.12.1",
"app_dirs",
@ -1880,6 +1922,10 @@ dependencies = [
"nom 5.0.1",
"nom-tracable",
"nom_locate",
"nu-build",
"nu-errors",
"nu-parser",
"nu-protocol",
"nu-source",
"num-bigint",
"num-traits 0.2.10",
@ -1891,6 +1937,7 @@ dependencies = [
"pretty_env_logger",
"prettytable-rs",
"ptree",
"query_interface",
"rawkey",
"regex",
"roxmltree",
@ -1917,12 +1964,105 @@ dependencies = [
"textwrap",
"toml 0.5.5",
"trash",
"typetag",
"umask",
"unicode-xid",
"url",
"which",
]
[[package]]
name = "nu-build"
version = "0.1.0"
dependencies = [
"lazy_static 1.4.0",
"serde 1.0.103",
"serde_json",
"toml 0.5.5",
]
[[package]]
name = "nu-errors"
version = "0.1.0"
dependencies = [
"ansi_term 0.12.1",
"bigdecimal",
"derive-new",
"language-reporting",
"nom 5.0.1",
"nom_locate",
"nu-build",
"nu-source",
"num-bigint",
"num-traits 0.2.10",
"serde 1.0.103",
"serde_json",
"serde_yaml",
"subprocess",
"toml 0.5.5",
]
[[package]]
name = "nu-parser"
version = "0.1.0"
dependencies = [
"ansi_term 0.12.1",
"bigdecimal",
"cfg-if",
"derive-new",
"getset",
"indexmap",
"itertools 0.8.2",
"language-reporting",
"log",
"nom 5.0.1",
"nom-tracable",
"nom_locate",
"nu-build",
"nu-errors",
"nu-protocol",
"nu-source",
"num-bigint",
"num-traits 0.2.10",
"pretty",
"pretty_assertions",
"pretty_env_logger",
"ptree",
"serde 1.0.103",
"shellexpand",
"termcolor",
"unicode-xid",
]
[[package]]
name = "nu-protocol"
version = "0.1.0"
dependencies = [
"ansi_term 0.12.1",
"bigdecimal",
"chrono",
"derive-new",
"getset",
"indexmap",
"language-reporting",
"nom 5.0.1",
"nom-tracable",
"nom_locate",
"nu-build",
"nu-errors",
"nu-source",
"num-bigint",
"num-traits 0.2.10",
"query_interface",
"serde 1.0.103",
"serde_bytes",
"serde_json",
"serde_yaml",
"subprocess",
"toml 0.5.5",
"typetag",
]
[[package]]
name = "nu-source"
version = "0.1.0"
@ -1932,11 +2072,26 @@ dependencies = [
"language-reporting",
"nom-tracable",
"nom_locate",
"nu-build",
"pretty",
"serde 1.0.103",
"termcolor",
]
[[package]]
name = "nu-textview"
version = "0.1.0"
dependencies = [
"ansi_term 0.12.1",
"crossterm",
"nu",
"nu-build",
"nu-protocol",
"nu-source",
"syntect",
"url",
]
[[package]]
name = "num-bigint"
version = "0.2.3"
@ -2298,6 +2453,12 @@ dependencies = [
"tint",
]
[[package]]
name = "query_interface"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78c0f0046284eebb86b68f93f9677d499034f88e15ca01021ceea32c4d3c3693"
[[package]]
name = "quick-error"
version = "1.2.2"
@ -2942,9 +3103,9 @@ dependencies = [
[[package]]
name = "syn"
version = "1.0.8"
version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "661641ea2aa15845cddeb97dad000d22070bb5c1fb456b96c1cba883ec691e92"
checksum = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238"
dependencies = [
"proc-macro2",
"quote",
@ -3150,6 +3311,30 @@ version = "1.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
[[package]]
name = "typetag"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6ebb2c484029d695fb68a06d80e1536c68d491b3e0cf874c66abed255e831cfe"
dependencies = [
"erased-serde",
"inventory",
"lazy_static 1.4.0",
"serde 1.0.103",
"typetag-impl",
]
[[package]]
name = "typetag-impl"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b63fd4799e4d0ec5cf0b055ebb8e2c3a657bbf76a84f6edc77ca60780e000204"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "umask"
version = "0.1.8"
@ -3251,9 +3436,9 @@ checksum = "8772a4ccbb4e89959023bc5b7cb8623a795caa7092d99f3aa9501b9484d4557d"
[[package]]
name = "vcpkg"
version = "0.2.7"
version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "33dd455d0f96e90a75803cfeb7f948768c08d70a6de9a8d2362461935698bf95"
checksum = "3fc439f2794e98976c88a2a2dafce96b930fe8010b0a256b3c2199a773933168"
[[package]]
name = "vec_map"

20
Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "nu"
version = "0.6.1"
version = "0.6.2"
authors = ["Yehuda Katz <wycats@gmail.com>", "Jonathan Turner <jonathan.d.turner@gmail.com>", "Andrés N. Robalino <andres@androbtech.com>"]
description = "A shell for the GitHub era"
license = "MIT"
@ -13,13 +13,18 @@ documentation = "https://book.nushell.sh"
[workspace]
members = ["crates/nu-source"]
members = ["crates/nu-errors", "crates/nu-source", "crates/nu-textview", "crates/nu-protocol", "crates/nu-parser", "crates/nu-build"]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
nu-source = { version = "0.1.0", path = "./crates/nu-source" }
nu-protocol = { version = "0.1.0", path = "./crates/nu-protocol" }
nu-errors = { version = "0.1.0", path = "./crates/nu-errors" }
nu-parser = { version = "0.1.0", path = "./crates/nu-parser" }
query_interface = "0.3.5"
typetag = "0.1.4"
rustyline = "5.0.4"
chrono = { version = "0.4.9", features = ["serde"] }
derive-new = "0.5.8"
@ -103,14 +108,13 @@ image = { version = "0.22.2", default_features = false, features = ["png_codec",
starship = { version = "0.26.4", optional = true}
[features]
default = ["textview", "sys", "ps"]
default = ["sys", "ps"]
raw-key = ["rawkey", "neso"]
textview = ["syntect", "onig_sys", "crossterm"]
binaryview = ["image", "crossterm"]
sys = ["heim", "battery"]
ps = ["heim"]
starship-prompt = ["starship"]
# trace = ["nom-tracable/trace"]
#trace = ["nu-parser/trace"]
[dependencies.rusqlite]
version = "0.20.0"
@ -122,6 +126,7 @@ pretty_assertions = "0.6.1"
[build-dependencies]
toml = "0.5.5"
serde = { version = "1.0.102", features = ["derive"] }
nu-build = { version = "0.1.0", path = "./crates/nu-build" }
[lib]
name = "nu"
@ -191,11 +196,6 @@ name = "nu_plugin_binaryview"
path = "src/plugins/binaryview.rs"
required-features = ["binaryview"]
[[bin]]
name = "nu_plugin_textview"
path = "src/plugins/textview.rs"
required-features = ["textview"]
[[bin]]
name = "nu_plugin_docker"
path = "src/plugins/docker.rs"

38
build.rs
View File

@ -1,39 +1,3 @@
use serde::Deserialize;
use std::collections::HashMap;
use std::collections::HashSet;
use std::env;
use std::path::Path;
#[derive(Deserialize)]
struct Feature {
#[allow(unused)]
description: String,
enabled: bool,
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
let input = env::var("CARGO_MANIFEST_DIR").unwrap();
let all_on = env::var("NUSHELL_ENABLE_ALL_FLAGS").is_ok();
let flags: HashSet<String> = env::var("NUSHELL_ENABLE_FLAGS")
.map(|s| s.split(",").map(|s| s.to_string()).collect())
.unwrap_or_else(|_| HashSet::new());
if all_on && !flags.is_empty() {
println!(
"cargo:warning={}",
"Both NUSHELL_ENABLE_ALL_FLAGS and NUSHELL_ENABLE_FLAGS were set. You don't need both."
);
}
let path = Path::new(&input).join("features.toml");
let toml: HashMap<String, Feature> = toml::from_str(&std::fs::read_to_string(path)?)?;
for (key, value) in toml.iter() {
if value.enabled == true || all_on || flags.contains(key) {
println!("cargo:rustc-cfg={}", key);
}
}
Ok(())
nu_build::build()
}

13
crates/nu-build/Cargo.toml Normal file
View File

@ -0,0 +1,13 @@
[package]
name = "nu-build"
version = "0.1.0"
authors = ["Yehuda Katz <wycats@gmail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
serde = { version = "1.0.102", features = ["derive"] }
lazy_static = "1.2.0"
serde_json = "1.0.35"
toml = "0.5.5"

82
crates/nu-build/src/lib.rs Normal file
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@ -0,0 +1,82 @@
use lazy_static::lazy_static;
use serde::Deserialize;
use std::collections::BTreeMap;
use std::collections::HashMap;
use std::collections::HashSet;
use std::env;
use std::path::{Path, PathBuf};
use std::sync::Mutex;
lazy_static! {
static ref WORKSPACES: Mutex<BTreeMap<String, &'static Path>> = Mutex::new(BTreeMap::new());
}
// got from https://github.com/mitsuhiko/insta/blob/b113499249584cb650150d2d01ed96ee66db6b30/src/runtime.rs#L67-L88
fn get_cargo_workspace(manifest_dir: &str) -> Option<&Path> {
let mut workspaces = WORKSPACES.lock().unwrap();
if let Some(rv) = workspaces.get(manifest_dir) {
Some(rv)
} else {
#[derive(Deserialize)]
struct Manifest {
workspace_root: String,
}
let output = std::process::Command::new(env!("CARGO"))
.arg("metadata")
.arg("--format-version=1")
.current_dir(manifest_dir)
.output()
.unwrap();
let manifest: Manifest = serde_json::from_slice(&output.stdout).unwrap();
let path = Box::leak(Box::new(PathBuf::from(manifest.workspace_root)));
workspaces.insert(manifest_dir.to_string(), path.as_path());
workspaces.get(manifest_dir).map(|w| *w)
}
}
#[derive(Deserialize)]
struct Feature {
#[allow(unused)]
description: String,
enabled: bool,
}
pub fn build() -> Result<(), Box<dyn std::error::Error>> {
let input = env::var("CARGO_MANIFEST_DIR").unwrap();
let all_on = env::var("NUSHELL_ENABLE_ALL_FLAGS").is_ok();
let flags: HashSet<String> = env::var("NUSHELL_ENABLE_FLAGS")
.map(|s| s.split(",").map(|s| s.to_string()).collect())
.unwrap_or_else(|_| HashSet::new());
if all_on && !flags.is_empty() {
println!(
"cargo:warning={}",
"Both NUSHELL_ENABLE_ALL_FLAGS and NUSHELL_ENABLE_FLAGS were set. You don't need both."
);
}
let workspace = match get_cargo_workspace(&input) {
// If the crate is being downloaded from crates.io, it won't have a workspace root, and that's ok
None => return Ok(()),
Some(workspace) => workspace,
};
let path = Path::new(&workspace).join("features.toml");
// If the crate is being downloaded from crates.io, it won't have a features.toml, and that's ok
if !path.exists() {
return Ok(());
}
let toml: HashMap<String, Feature> = toml::from_str(&std::fs::read_to_string(path)?)?;
for (key, value) in toml.iter() {
if value.enabled == true || all_on || flags.contains(key) {
println!("cargo:rustc-cfg={}", key);
}
}
Ok(())
}

29
crates/nu-errors/Cargo.toml Normal file
View File

@ -0,0 +1,29 @@
[package]
name = "nu-errors"
version = "0.1.0"
authors = ["Yehuda Katz <wycats@gmail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
nu-source = { path = "../nu-source" }
ansi_term = "0.12.1"
bigdecimal = { version = "0.1.0", features = ["serde"] }
derive-new = "0.5.8"
language-reporting = "0.4.0"
num-bigint = { version = "0.2.3", features = ["serde"] }
num-traits = "0.2.8"
serde = { version = "1.0.102", features = ["derive"] }
nom = "5.0.1"
nom_locate = "1.0.0"
# implement conversions
subprocess = "0.1.18"
serde_yaml = "0.8"
toml = "0.5.5"
serde_json = "1.0.41"
[build-dependencies]
nu-build = { version = "0.1.0", path = "../nu-build" }

3
crates/nu-errors/build.rs Normal file
View File

@ -0,0 +1,3 @@
fn main() -> Result<(), Box<dyn std::error::Error>> {
nu_build::build()
}

168
src/errors.rs → crates/nu-errors/src/lib.rs
View File

@ -1,71 +1,49 @@
use crate::prelude::*;
use ansi_term::Color;
use bigdecimal::BigDecimal;
use derive_new::new;
use language_reporting::{Diagnostic, Label, Severity};
use nu_source::{Spanned, TracableContext};
use nu_source::{b, DebugDocBuilder, PrettyDebug, Span, Spanned, SpannedItem, TracableContext};
use num_bigint::BigInt;
use num_traits::ToPrimitive;
use serde::{Deserialize, Serialize};
use std::fmt;
use std::ops::Range;
// TODO: Spanned<T> -> HasSpanAndItem<T> ?
#[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash, Serialize, Deserialize)]
pub enum Description {
Source(Spanned<String>),
Synthetic(String),
}
impl Description {
fn from_spanned(item: Spanned<impl Into<String>>) -> Description {
Description::Source(item.map(|s| s.into()))
}
fn into_label(self) -> Result<Label<Span>, String> {
match self {
Description::Source(s) => Ok(Label::new_primary(s.span).with_message(s.item)),
Description::Synthetic(s) => Err(s),
}
}
}
impl PrettyDebug for Description {
fn pretty(&self) -> DebugDocBuilder {
match self {
Description::Source(s) => b::description(&s.item),
Description::Synthetic(s) => b::description(s),
}
}
}
/// A structured reason for a ParseError. Note that parsing in nu is more like macro expansion in
/// other languages, so the kinds of errors that can occur during parsing are more contextual than
/// you might expect.
#[derive(Debug, Clone)]
pub enum ParseErrorReason {
Eof {
expected: &'static str,
span: Span,
},
/// The parser encountered an EOF rather than what it was expecting
Eof { expected: &'static str, span: Span },
/// The parser encountered something other than what it was expecting
Mismatch {
expected: &'static str,
actual: Spanned<String>,
},
/// The parser tried to parse an argument for a command, but it failed for
/// some reason
ArgumentError {
command: Spanned<String>,
error: ArgumentError,
},
}
/// A newtype for `ParseErrorReason`
#[derive(Debug, Clone)]
pub struct ParseError {
reason: ParseErrorReason,
}
impl ParseError {
/// Construct a [ParseErrorReason::Eof](ParseErrorReason::Eof)
pub fn unexpected_eof(expected: &'static str, span: Span) -> ParseError {
ParseError {
reason: ParseErrorReason::Eof { expected, span },
}
}
/// Construct a [ParseErrorReason::Mismatch](ParseErrorReason::Mismatch)
pub fn mismatch(expected: &'static str, actual: Spanned<impl Into<String>>) -> ParseError {
let Spanned { span, item } = actual;
@ -77,6 +55,7 @@ impl ParseError {
}
}
/// Construct a [ParseErrorReason::ArgumentError](ParseErrorReason::ArgumentError)
pub fn argument_error(command: Spanned<impl Into<String>>, kind: ArgumentError) -> ParseError {
ParseError {
reason: ParseErrorReason::ArgumentError {
@ -87,6 +66,7 @@ impl ParseError {
}
}
/// Convert a [ParseError](ParseError) into a [ShellError](ShellError)
impl From<ParseError> for ShellError {
fn from(error: ParseError) -> ShellError {
match error.reason {
@ -101,11 +81,20 @@ impl From<ParseError> for ShellError {
}
}
/// ArgumentError describes various ways that the parser could fail because of unexpected arguments.
/// Nu commands are like a combination of functions and macros, and these errors correspond to
/// problems that could be identified during expansion based on the syntactic signature of a
/// command.
#[derive(Debug, Eq, PartialEq, Clone, Ord, Hash, PartialOrd, Serialize, Deserialize)]
pub enum ArgumentError {
/// The command specified a mandatory flag, but it was missing.
MissingMandatoryFlag(String),
/// The command specified a mandatory positional argument, but it was missing.
MissingMandatoryPositional(String),
/// A flag was found, and it should have been followed by a value, but no value was found
MissingValueForName(String),
/// A sequence of characters was found that was not syntactically valid (but would have
/// been valid if the command was an external command)
InvalidExternalWord,
}
@ -132,12 +121,16 @@ impl PrettyDebug for ArgumentError {
}
}
/// A `ShellError` is a proximate error and a possible cause, which could have its own cause,
/// creating a cause chain.
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Clone, Serialize, Deserialize, Hash)]
pub struct ShellError {
error: ProximateShellError,
cause: Option<Box<ProximateShellError>>,
cause: Option<Box<ShellError>>,
}
/// `PrettyDebug` is for internal debugging. For user-facing debugging, [to_diagnostic](ShellError::to_diagnostic)
/// is used, which prints an error, highlighting spans.
impl PrettyDebug for ShellError {
fn pretty(&self) -> DebugDocBuilder {
match &self.error {
@ -170,12 +163,12 @@ impl PrettyDebug for ShellError {
"(",
b::description("expr:")
+ b::space()
+ expr.pretty()
+ b::description(&expr.item)
+ b::description(",")
+ b::space()
+ b::description("subpath:")
+ b::space()
+ subpath.pretty(),
+ b::description(&subpath.item),
")",
)
}
@ -184,7 +177,7 @@ impl PrettyDebug for ShellError {
+ b::space()
+ b::delimit(
"(",
b::description("subpath:") + b::space() + subpath.pretty(),
b::description("subpath:") + b::space() + b::description(&subpath.item),
")",
)
}
@ -294,8 +287,8 @@ impl ShellError {
expr: Spanned<impl Into<String>>,
) -> ShellError {
ProximateShellError::MissingProperty {
subpath: Description::from_spanned(subpath),
expr: Description::from_spanned(expr),
subpath: subpath.map(|s| s.into()),
expr: expr.map(|e| e.into()),
}
.start()
}
@ -305,7 +298,7 @@ impl ShellError {
integer: impl Into<Span>,
) -> ShellError {
ProximateShellError::InvalidIntegerIndex {
subpath: Description::from_spanned(subpath),
subpath: subpath.map(|s| s.into()),
integer: integer.into(),
}
.start()
@ -318,7 +311,7 @@ impl ShellError {
.start()
}
pub(crate) fn unexpected_eof(expected: impl Into<String>, span: impl Into<Span>) -> ShellError {
pub fn unexpected_eof(expected: impl Into<String>, span: impl Into<Span>) -> ShellError {
ProximateShellError::UnexpectedEof {
expected: expected.into(),
span: span.into(),
@ -326,7 +319,7 @@ impl ShellError {
.start()
}
pub(crate) fn range_error(
pub fn range_error(
expected: impl Into<ExpectedRange>,
actual: &Spanned<impl fmt::Debug>,
operation: impl Into<String>,
@ -339,14 +332,14 @@ impl ShellError {
.start()
}
pub(crate) fn syntax_error(problem: Spanned<impl Into<String>>) -> ShellError {
pub fn syntax_error(problem: Spanned<impl Into<String>>) -> ShellError {
ProximateShellError::SyntaxError {
problem: problem.map(|p| p.into()),
}
.start()
}
pub(crate) fn coerce_error(
pub fn coerce_error(
left: Spanned<impl Into<String>>,
right: Spanned<impl Into<String>>,
) -> ShellError {
@ -357,10 +350,7 @@ impl ShellError {
.start()
}
pub(crate) fn argument_error(
command: Spanned<impl Into<String>>,
kind: ArgumentError,
) -> ShellError {
pub fn argument_error(command: Spanned<impl Into<String>>, kind: ArgumentError) -> ShellError {
ProximateShellError::ArgumentError {
command: command.map(|c| c.into()),
error: kind,
@ -368,7 +358,7 @@ impl ShellError {
.start()
}
pub(crate) fn parse_error(
pub fn parse_error(
error: nom::Err<(
nom_locate::LocatedSpanEx<&str, TracableContext>,
nom::error::ErrorKind,
@ -395,11 +385,11 @@ impl ShellError {
}
}
pub(crate) fn diagnostic(diagnostic: Diagnostic<Span>) -> ShellError {
pub fn diagnostic(diagnostic: Diagnostic<Span>) -> ShellError {
ProximateShellError::Diagnostic(ShellDiagnostic { diagnostic }).start()
}
pub(crate) fn to_diagnostic(self) -> Diagnostic<Span> {
pub fn to_diagnostic(self) -> Diagnostic<Span> {
match self.error {
ProximateShellError::MissingValue { span, reason } => {
let mut d = Diagnostic::new(
@ -491,7 +481,7 @@ impl ShellError {
Label::new_primary(span).with_message(format!(
"Expected to convert {} to {} while {}, but it was out of range",
item,
kind.desc(),
kind.display(),
operation
)),
),
@ -506,31 +496,33 @@ impl ShellError {
.with_label(Label::new_primary(span).with_message(item)),
ProximateShellError::MissingProperty { subpath, expr, .. } => {
let subpath = subpath.into_label();
let expr = expr.into_label();
let mut diag = Diagnostic::new(Severity::Error, "Missing property");
match subpath {
Ok(label) => diag = diag.with_label(label),
Err(ty) => diag.message = format!("Missing property (for {})", ty),
}
if subpath.span == Span::unknown() {
diag.message = format!("Missing property (for {})", subpath.item);
} else {
let subpath = Label::new_primary(subpath.span).with_message(subpath.item);
diag = diag.with_label(subpath);
if expr.span != Span::unknown() {
let expr = Label::new_primary(expr.span).with_message(expr.item);
diag = diag.with_label(expr)
}
if let Ok(label) = expr {
diag = diag.with_label(label);
}
diag
}
ProximateShellError::InvalidIntegerIndex { subpath,integer } => {
let subpath = subpath.into_label();
let mut diag = Diagnostic::new(Severity::Error, "Invalid integer property");
match subpath {
Ok(label) => diag = diag.with_label(label),
Err(ty) => diag.message = format!("Invalid integer property (for {})", ty)
if subpath.span == Span::unknown() {
diag.message = format!("Invalid integer property (for {})", subpath.item)
} else {
let label = Label::new_primary(subpath.span).with_message(subpath.item);
diag = diag.with_label(label)
}
diag = diag.with_label(Label::new_secondary(integer).with_message("integer"));
@ -579,23 +571,19 @@ impl ShellError {
)
}
// pub fn string(title: impl Into<String>) -> ShellError {
// ProximateShellError::String(StringError::new(title.into(), String::new())).start()
// }
//
// pub(crate) fn unreachable(title: impl Into<String>) -> ShellError {
// ShellError::untagged_runtime_error(&format!("BUG: Unreachable: {}", title.into()))
// }
pub(crate) fn unimplemented(title: impl Into<String>) -> ShellError {
pub fn unimplemented(title: impl Into<String>) -> ShellError {
ShellError::untagged_runtime_error(&format!("Unimplemented: {}", title.into()))
}
pub(crate) fn unexpected(title: impl Into<String>) -> ShellError {
pub fn unexpected(title: impl Into<String>) -> ShellError {
ShellError::untagged_runtime_error(&format!("Unexpected: {}", title.into()))
}
}
/// `ExpectedRange` describes a range of values that was expected by a command. In addition
/// to typical ranges, this enum allows an error to specify that the range of allowed values
/// corresponds to a particular numeric type (which is a dominant use-case for the
/// [RangeError](ProximateShellError::RangeError) error type).
#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Serialize, Deserialize)]
pub enum ExpectedRange {
I8,
@ -617,6 +605,7 @@ pub enum ExpectedRange {
Range { start: usize, end: usize },
}
/// Convert a Rust range into an [ExpectedRange](ExpectedRange).
impl From<Range<usize>> for ExpectedRange {
fn from(range: Range<usize>) -> Self {
ExpectedRange::Range {
@ -628,13 +617,7 @@ impl From<Range<usize>> for ExpectedRange {
impl PrettyDebug for ExpectedRange {
fn pretty(&self) -> DebugDocBuilder {
b::description(self.desc())
}
}
impl ExpectedRange {
fn desc(&self) -> String {
match self {
b::description(match self {
ExpectedRange::I8 => "an 8-bit signed integer",
ExpectedRange::I16 => "a 16-bit signed integer",
ExpectedRange::I32 => "a 32-bit signed integer",
@ -651,9 +634,10 @@ impl ExpectedRange {
ExpectedRange::Size => "a list offset",
ExpectedRange::BigDecimal => "a decimal",
ExpectedRange::BigInt => "an integer",
ExpectedRange::Range { start, end } => return format!("{} to {}", start, end),
}
.to_string()
ExpectedRange::Range { start, end } => {
return b::description(format!("{} to {}", start, end))
}
})
}
}
@ -671,11 +655,11 @@ pub enum ProximateShellError {
actual: Spanned<Option<String>>,
},
MissingProperty {
subpath: Description,
expr: Description,
subpath: Spanned<String>,
expr: Spanned<String>,
},
InvalidIntegerIndex {
subpath: Description,
subpath: Spanned<String>,
integer: Span,
},
MissingValue {

43
crates/nu-parser/Cargo.toml Normal file
View File

@ -0,0 +1,43 @@
[package]
name = "nu-parser"
version = "0.1.0"
authors = ["Yehuda Katz <wycats@gmail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
nu-errors = { path = "../nu-errors" }
nu-source = { path = "../nu-source" }
nu-protocol = { path = "../nu-protocol" }
pretty_env_logger = "0.3.1"
pretty = "0.5.2"
termcolor = "1.0.5"
log = "0.4.8"
indexmap = { version = "1.3.0", features = ["serde-1"] }
serde = { version = "1.0.102", features = ["derive"] }
nom = "5.0.1"
nom_locate = "1.0.0"
nom-tracable = "0.4.1"
num-traits = "0.2.8"
num-bigint = { version = "0.2.3", features = ["serde"] }
bigdecimal = { version = "0.1.0", features = ["serde"] }
derive-new = "0.5.8"
getset = "0.0.9"
cfg-if = "0.1"
itertools = "0.8.1"
shellexpand = "1.0.0"
ansi_term = "0.12.1"
ptree = {version = "0.2" }
language-reporting = "0.4.0"
unicode-xid = "0.2.0"
[dev-dependencies]
pretty_assertions = "0.6.1"
[build-dependencies]
nu-build = { version = "0.1.0", path = "../nu-build" }
[features]
trace = ["nom-tracable/trace"]

3
crates/nu-parser/build.rs Normal file
View File

@ -0,0 +1,3 @@
fn main() -> Result<(), Box<dyn std::error::Error>> {
nu_build::build()
}

98
crates/nu-parser/src/commands.rs Normal file
View File

@ -0,0 +1,98 @@
pub mod classified;
use crate::commands::classified::ClassifiedCommand;
use crate::hir::expand_external_tokens::ExternalTokensShape;
use crate::hir::syntax_shape::{expand_syntax, ExpandContext};
use crate::hir::tokens_iterator::TokensIterator;
use nu_errors::ParseError;
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebug, Span, Spanned, Tag, Tagged};
// Classify this command as an external command, which doesn't give special meaning
// to nu syntactic constructs, and passes all arguments to the external command as
// strings.
pub(crate) fn external_command(
tokens: &mut TokensIterator,
context: &ExpandContext,
name: Tagged<&str>,
) -> Result<ClassifiedCommand, ParseError> {
let Spanned { item, span } = expand_syntax(&ExternalTokensShape, tokens, context)?.tokens;
Ok(ClassifiedCommand::External(ExternalCommand {
name: name.to_string(),
name_tag: name.tag(),
args: ExternalArgs {
list: item
.iter()
.map(|x| ExternalArg {
tag: x.span.into(),
arg: x.item.clone(),
})
.collect(),
span,
},
}))
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct ExternalArg {
pub arg: String,
pub tag: Tag,
}
impl std::ops::Deref for ExternalArg {
type Target = str;
fn deref(&self) -> &str {
&self.arg
}
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct ExternalArgs {
pub list: Vec<ExternalArg>,
pub span: Span,
}
impl ExternalArgs {
pub fn iter(&self) -> impl Iterator<Item = &ExternalArg> {
self.list.iter()
}
}
impl std::ops::Deref for ExternalArgs {
type Target = [ExternalArg];
fn deref(&self) -> &[ExternalArg] {
&self.list
}
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct ExternalCommand {
pub name: String,
pub name_tag: Tag,
pub args: ExternalArgs,
}
impl PrettyDebug for ExternalCommand {
fn pretty(&self) -> DebugDocBuilder {
b::typed(
"external command",
b::description(&self.name)
+ b::preceded(
b::space(),
b::intersperse(
self.args.iter().map(|a| b::primitive(format!("{}", a.arg))),
b::space(),
),
),
)
}
}
impl HasSpan for ExternalCommand {
fn span(&self) -> Span {
self.name_tag.span.until(self.args.span)
}
}

112
crates/nu-parser/src/commands/classified.rs Normal file
View File

@ -0,0 +1,112 @@
use crate::commands::ExternalCommand;
use crate::hir;
use crate::parse::token_tree::TokenNode;
use derive_new::new;
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebugWithSource, Span, Tag};
#[derive(Debug, Clone, Eq, PartialEq)]
pub enum ClassifiedCommand {
#[allow(unused)]
Expr(TokenNode),
#[allow(unused)]
Dynamic(hir::Call),
Internal(InternalCommand),
External(ExternalCommand),
}
impl PrettyDebugWithSource for ClassifiedCommand {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
match self {
ClassifiedCommand::Expr(token) => b::typed("command", token.pretty_debug(source)),
ClassifiedCommand::Dynamic(call) => b::typed("command", call.pretty_debug(source)),
ClassifiedCommand::Internal(internal) => internal.pretty_debug(source),
ClassifiedCommand::External(external) => external.pretty_debug(source),
}
}
}
impl HasSpan for ClassifiedCommand {
fn span(&self) -> Span {
match self {
ClassifiedCommand::Expr(node) => node.span(),
ClassifiedCommand::Internal(command) => command.span(),
ClassifiedCommand::Dynamic(call) => call.span,
ClassifiedCommand::External(command) => command.span(),
}
}
}
#[derive(new, Debug, Clone, Eq, PartialEq)]
pub struct InternalCommand {
pub name: String,
pub name_tag: Tag,
pub args: hir::Call,
}
impl PrettyDebugWithSource for InternalCommand {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
b::typed(
"internal command",
b::description(&self.name) + b::space() + self.args.pretty_debug(source),
)
}
}
impl HasSpan for InternalCommand {
fn span(&self) -> Span {
let start = self.name_tag.span;
start.until(self.args.span)
}
}
#[derive(new, Debug, Eq, PartialEq)]
pub(crate) struct DynamicCommand {
pub(crate) args: hir::Call,
}
#[derive(Debug, Clone)]
pub struct Commands {
pub list: Vec<ClassifiedCommand>,
pub span: Span,
}
impl std::ops::Deref for Commands {
type Target = [ClassifiedCommand];
fn deref(&self) -> &Self::Target {
&self.list
}
}
#[derive(Debug, Clone)]
pub struct ClassifiedPipeline {
pub commands: Commands,
}
impl ClassifiedPipeline {
pub fn commands(list: Vec<ClassifiedCommand>, span: impl Into<Span>) -> ClassifiedPipeline {
ClassifiedPipeline {
commands: Commands {
list,
span: span.into(),
},
}
}
}
impl HasSpan for ClassifiedPipeline {
fn span(&self) -> Span {
self.commands.span
}
}
impl PrettyDebugWithSource for ClassifiedPipeline {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
b::intersperse(
self.commands.iter().map(|c| c.pretty_debug(source)),
b::operator(" | "),
)
.or(b::delimit("<", b::description("empty pipeline"), ">"))
}
}

0
crates/nu-parser/src/commands/classified/external.rs Normal file
View File

68
src/parser/hir.rs → crates/nu-parser/src/hir.rs
View File

@ -4,30 +4,31 @@ pub(crate) mod expand_external_tokens;
pub(crate) mod external_command;
pub(crate) mod named;
pub(crate) mod path;
pub(crate) mod syntax_shape;
pub mod syntax_shape;
pub(crate) mod tokens_iterator;
use crate::parser::hir::path::PathMember;
use crate::parser::hir::syntax_shape::Member;
use crate::parser::{registry, Operator, Unit};
use crate::prelude::*;
use crate::hir::syntax_shape::Member;
use crate::parse::operator::Operator;
use crate::parse::parser::Number;
use crate::parse::unit::Unit;
use derive_new::new;
use getset::Getters;
use nu_source::Spanned;
use nu_protocol::{PathMember, ShellTypeName};
use nu_source::{
b, DebugDocBuilder, HasSpan, PrettyDebug, PrettyDebugWithSource, Span, Spanned, SpannedItem,
};
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
use crate::evaluate::Scope;
use crate::parser::parse::tokens::RawNumber;
use crate::parse::tokens::RawNumber;
pub(crate) use self::binary::Binary;
pub(crate) use self::external_command::ExternalCommand;
pub(crate) use self::named::NamedArguments;
pub(crate) use self::path::Path;
pub(crate) use self::syntax_shape::ExpandContext;
pub(crate) use self::tokens_iterator::TokensIterator;
pub use self::syntax_shape::SyntaxShape;
pub use self::external_command::ExternalCommand;
pub use self::named::{NamedArguments, NamedValue};
#[derive(Debug, Clone, Eq, PartialEq, Getters, Serialize, Deserialize, new)]
pub struct Call {
@ -60,17 +61,6 @@ impl PrettyDebugWithSource for Call {
}
}
impl Call {
pub fn evaluate(
&self,
registry: &registry::CommandRegistry,
scope: &Scope,
source: &Text,
) -> Result<registry::EvaluatedArgs, ShellError> {
registry::evaluate_args(self, registry, scope, source)
}
}
#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize)]
pub enum RawExpression {
Literal(Literal),
@ -196,41 +186,37 @@ impl PrettyDebugWithSource for Expression {
}
impl Expression {
pub(crate) fn number(i: impl Into<Number>, span: impl Into<Span>) -> Expression {
pub fn number(i: impl Into<Number>, span: impl Into<Span>) -> Expression {
let span = span.into();
RawExpression::Literal(RawLiteral::Number(i.into()).into_literal(span)).into_expr(span)
}
pub(crate) fn size(
i: impl Into<Number>,
unit: impl Into<Unit>,
span: impl Into<Span>,
) -> Expression {
pub fn size(i: impl Into<Number>, unit: impl Into<Unit>, span: impl Into<Span>) -> Expression {
let span = span.into();
RawExpression::Literal(RawLiteral::Size(i.into(), unit.into()).into_literal(span))
.into_expr(span)
}
pub(crate) fn synthetic_string(s: impl Into<String>) -> Expression {
pub fn synthetic_string(s: impl Into<String>) -> Expression {
RawExpression::Synthetic(Synthetic::String(s.into())).into_unspanned_expr()
}
pub(crate) fn string(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
pub fn string(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
let outer = outer.into();
RawExpression::Literal(RawLiteral::String(inner.into()).into_literal(outer))
.into_expr(outer)
}
pub(crate) fn column_path(members: Vec<Member>, span: impl Into<Span>) -> Expression {
pub fn column_path(members: Vec<Member>, span: impl Into<Span>) -> Expression {
let span = span.into();
RawExpression::Literal(RawLiteral::ColumnPath(members).into_literal(span)).into_expr(span)
}
pub(crate) fn path(
pub fn path(
head: Expression,
tail: Vec<impl Into<PathMember>>,
span: impl Into<Span>,
@ -239,7 +225,7 @@ impl Expression {
RawExpression::Path(Box::new(Path::new(head, tail))).into_expr(span.into())
}
pub(crate) fn dot_member(head: Expression, next: impl Into<PathMember>) -> Expression {
pub fn dot_member(head: Expression, next: impl Into<PathMember>) -> Expression {
let Expression { expr: item, span } = head;
let next = next.into();
@ -257,7 +243,7 @@ impl Expression {
}
}
pub(crate) fn infix(
pub fn infix(
left: Expression,
op: Spanned<impl Into<Operator>>,
right: Expression,
@ -268,36 +254,36 @@ impl Expression {
.into_expr(new_span)
}
pub(crate) fn file_path(path: impl Into<PathBuf>, outer: impl Into<Span>) -> Expression {
pub fn file_path(path: impl Into<PathBuf>, outer: impl Into<Span>) -> Expression {
RawExpression::FilePath(path.into()).into_expr(outer)
}
pub(crate) fn list(list: Vec<Expression>, span: impl Into<Span>) -> Expression {
pub fn list(list: Vec<Expression>, span: impl Into<Span>) -> Expression {
RawExpression::List(list).into_expr(span)
}
pub(crate) fn bare(span: impl Into<Span>) -> Expression {
pub fn bare(span: impl Into<Span>) -> Expression {
let span = span.into();
RawExpression::Literal(RawLiteral::Bare.into_literal(span)).into_expr(span)
}
pub(crate) fn pattern(inner: impl Into<String>, outer: impl Into<Span>) -> Expression {
pub fn pattern(inner: impl Into<String>, outer: impl Into<Span>) -> Expression {
let outer = outer.into();
RawExpression::Literal(RawLiteral::GlobPattern(inner.into()).into_literal(outer))
.into_expr(outer)
}
pub(crate) fn variable(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
pub fn variable(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
RawExpression::Variable(Variable::Other(inner.into())).into_expr(outer)
}
pub(crate) fn external_command(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
pub fn external_command(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
RawExpression::ExternalCommand(ExternalCommand::new(inner.into())).into_expr(outer)
}
pub(crate) fn it_variable(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
pub fn it_variable(inner: impl Into<Span>, outer: impl Into<Span>) -> Expression {
RawExpression::Variable(Variable::It(inner.into())).into_expr(outer)
}
}

0
src/parser/hir/baseline_parse.rs → crates/nu-parser/src/hir/baseline_parse.rs
View File

76
src/parser/hir/baseline_parse/tests.rs → crates/nu-parser/src/hir/baseline_parse/tests.rs
View File

@ -1,13 +1,13 @@
use crate::commands::classified::InternalCommand;
use crate::commands::ClassifiedCommand;
use crate::env::host::BasicHost;
use crate::parser::hir::TokensIterator;
use crate::parser::hir::{
self, named::NamedValue, path::PathMember, syntax_shape::*, NamedArguments,
};
use crate::parser::parse::token_tree_builder::{CurriedToken, TokenTreeBuilder as b};
use crate::parser::TokenNode;
use crate::commands::classified::{ClassifiedCommand, InternalCommand};
use crate::hir::TokensIterator;
use crate::hir::{self, named::NamedValue, syntax_shape::*, NamedArguments};
use crate::parse::files::Files;
use crate::parse::token_tree_builder::{CurriedToken, TokenTreeBuilder as b};
use crate::TokenNode;
use derive_new::new;
use indexmap::IndexMap;
use nu_errors::ShellError;
use nu_protocol::{PathMember, Signature, SyntaxShape};
use nu_source::{HasSpan, Span, Tag, Text};
use pretty_assertions::assert_eq;
use std::fmt::Debug;
@ -90,6 +90,43 @@ fn test_parse_command() {
);
}
#[derive(new)]
struct TestRegistry {
#[new(default)]
signatures: indexmap::IndexMap<String, Signature>,
}
impl TestRegistry {
fn insert(&mut self, key: &str, value: Signature) {
self.signatures.insert(key.to_string(), value);
}
}
impl SignatureRegistry for TestRegistry {
fn has(&self, name: &str) -> bool {
self.signatures.contains_key(name)
}
fn get(&self, name: &str) -> Option<Signature> {
self.signatures.get(name).map(|sig| sig.clone())
}
}
fn with_empty_context(source: &Text, callback: impl FnOnce(ExpandContext)) {
let mut registry = TestRegistry::new();
registry.insert(
"ls",
Signature::build("ls")
.optional(
"path",
SyntaxShape::Pattern,
"a path to get the directory contents from",
)
.switch("full", "list all available columns for each entry"),
);
callback(ExpandContext::new(Box::new(registry), source, None))
}
fn parse_tokens<T: Eq + HasSpan + Clone + Debug + 'static>(
shape: impl ExpandSyntax<Output = T>,
tokens: Vec<CurriedToken>,
@ -99,7 +136,7 @@ fn parse_tokens<T: Eq + HasSpan + Clone + Debug + 'static>(
let (tokens, source) = b::build(tokens);
let text = Text::from(source);
ExpandContext::with_empty(&text, |context| {
with_empty_context(&text, |context| {
let tokens = tokens.expect_list();
let mut iterator = TokensIterator::all(tokens.item, text.clone(), tokens.span);
@ -108,7 +145,7 @@ fn parse_tokens<T: Eq + HasSpan + Clone + Debug + 'static>(
let expr = match expr {
Ok(expr) => expr,
Err(err) => {
crate::cli::print_err(err.into(), &BasicHost, context.source().clone());
print_err(err.into(), context.source().clone());
panic!("Parse failed");
}
};
@ -120,3 +157,20 @@ fn parse_tokens<T: Eq + HasSpan + Clone + Debug + 'static>(
fn inner_string_span(span: Span) -> Span {
Span::new(span.start() + 1, span.end() - 1)
}
pub fn print_err(err: ShellError, source: &Text) {
let diag = err.to_diagnostic();
let writer = termcolor::StandardStream::stderr(termcolor::ColorChoice::Auto);
let mut source = source.to_string();
source.push_str(" ");
let files = Files::new(source);
let _ = std::panic::catch_unwind(move || {
let _ = language_reporting::emit(
&mut writer.lock(),
&files,
&diag,
&language_reporting::DefaultConfig,
);
});
}

7
src/parser/hir/binary.rs → crates/nu-parser/src/hir/binary.rs
View File

@ -1,15 +1,14 @@
use crate::parser::{hir::Expression, Operator};
use crate::prelude::*;
use crate::{hir::Expression, Operator};
use derive_new::new;
use getset::Getters;
use nu_source::Spanned;
use nu_source::{b, DebugDocBuilder, PrettyDebugWithSource, Spanned};
use serde::{Deserialize, Serialize};
#[derive(
Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Getters, Serialize, Deserialize, new,
)]
#[get = "pub(crate)"]
#[get = "pub"]
pub struct Binary {
left: Expression,
op: Spanned<Operator>,

54
src/parser/hir/expand_external_tokens.rs → crates/nu-parser/src/hir/expand_external_tokens.rs
View File

@ -1,7 +1,6 @@
use crate::errors::ParseError;
#[cfg(not(coloring_in_tokens))]
use crate::parser::hir::syntax_shape::FlatShape;
use crate::parser::{
use crate::hir::syntax_shape::FlatShape;
use crate::{
hir::syntax_shape::{
color_syntax, expand_atom, expand_expr, expand_syntax, AtomicToken, ColorSyntax,
ExpandContext, ExpandExpression, ExpandSyntax, ExpansionRule, MaybeSpaceShape,
@ -10,6 +9,7 @@ use crate::parser::{
hir::Expression,
TokensIterator,
};
use nu_errors::ParseError;
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebug, Span, Spanned, SpannedItem};
#[derive(Debug, Clone)]
@ -86,7 +86,7 @@ impl ColorSyntax for ExternalTokensShape {
// Process an external expression. External expressions are mostly words, with a
// few exceptions (like $variables and path expansion rules)
match color_syntax(&ExternalExpression, token_nodes, context, shapes).1 {
match color_syntax(&ExternalExpressionShape, token_nodes, context, shapes).1 {
ExternalExpressionResult::Eof => break,
ExternalExpressionResult::Processed => continue,
}
@ -115,7 +115,7 @@ impl ColorSyntax for ExternalTokensShape {
// Process an external expression. External expressions are mostly words, with a
// few exceptions (like $variables and path expansion rules)
match color_syntax(&ExternalExpression, token_nodes, context).1 {
match color_syntax(&ExternalExpressionShape, token_nodes, context).1 {
ExternalExpressionResult::Eof => break,
ExternalExpressionResult::Processed => continue,
}
@ -144,7 +144,7 @@ impl ExpandSyntax for ExternalExpressionShape {
token_nodes,
"external command",
context,
ExpansionRule::new().allow_external_command(),
ExpansionRule::new().allow_external_word(),
)?
.span;
@ -164,40 +164,6 @@ impl ExpandSyntax for ExternalExpressionShape {
}
}
#[derive(Debug, Copy, Clone)]
struct ExternalExpression;
impl ExpandSyntax for ExternalExpression {
type Output = Option<Span>;
fn name(&self) -> &'static str {
"external expression"
}
fn expand_syntax<'a, 'b>(
&self,
token_nodes: &'b mut TokensIterator<'a>,
context: &ExpandContext,
) -> Result<Self::Output, ParseError> {
expand_syntax(&MaybeSpaceShape, token_nodes, context)?;
let first = expand_syntax(&ExternalHeadShape, token_nodes, context)?.span;
let mut last = first;
loop {
let continuation = expand_syntax(&ExternalContinuationShape, token_nodes, context);
if let Ok(continuation) = continuation {
last = continuation.span;
} else {
break;
}
}
Ok(Some(first.until(last)))
}
}
#[derive(Debug, Copy, Clone)]
struct ExternalHeadShape;
@ -311,12 +277,12 @@ impl ExpandExpression for ExternalContinuationShape {
}
#[cfg(coloring_in_tokens)]
impl ColorSyntax for ExternalExpression {
impl ColorSyntax for ExternalExpressionShape {
type Info = ExternalExpressionResult;
type Input = ();
fn name(&self) -> &'static str {
"ExternalExpression"
"ExternalExpressionShape"
}
fn color_syntax<'a, 'b>(
@ -345,13 +311,13 @@ impl ColorSyntax for ExternalExpression {
}
#[must_use]
enum ExternalExpressionResult {
pub enum ExternalExpressionResult {
Eof,
Processed,
}
#[cfg(not(coloring_in_tokens))]
impl ColorSyntax for ExternalExpression {
impl ColorSyntax for ExternalExpressionShape {
type Info = ExternalExpressionResult;
type Input = ();

4
src/parser/hir/external_command.rs → crates/nu-parser/src/hir/external_command.rs
View File

@ -1,12 +1,12 @@
use crate::prelude::*;
use derive_new::new;
use getset::Getters;
use nu_source::Span;
use serde::{Deserialize, Serialize};
#[derive(
Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Getters, Serialize, Deserialize, new,
)]
#[get = "pub(crate)"]
#[get = "pub"]
pub struct ExternalCommand {
pub(crate) name: Span,
}

12
src/parser/hir/named.rs → crates/nu-parser/src/hir/named.rs
View File

@ -1,8 +1,8 @@
use crate::parser::hir::Expression;
use crate::parser::Flag;
use crate::prelude::*;
use crate::hir::Expression;
use crate::Flag;
use indexmap::IndexMap;
use log::trace;
use nu_source::{b, DebugDocBuilder, PrettyDebugWithSource, Tag};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
@ -26,7 +26,7 @@ impl PrettyDebugWithSource for NamedValue {
#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
pub struct NamedArguments {
pub(crate) named: IndexMap<String, NamedValue>,
pub named: IndexMap<String, NamedValue>,
}
impl NamedArguments {
@ -35,6 +35,10 @@ impl NamedArguments {
named: IndexMap::new(),
}
}
pub fn iter(&self) -> impl Iterator<Item = (&String, &NamedValue)> {
self.named.iter()
}
}
impl NamedArguments {

41
crates/nu-parser/src/hir/path.rs Normal file
View File

@ -0,0 +1,41 @@
use crate::hir::Expression;
use derive_new::new;
use getset::{Getters, MutGetters};
use nu_protocol::PathMember;
use nu_source::{b, DebugDocBuilder, PrettyDebug, PrettyDebugWithSource};
use serde::{Deserialize, Serialize};
#[derive(
Debug,
Clone,
Eq,
PartialEq,
Ord,
PartialOrd,
Hash,
Getters,
MutGetters,
Serialize,
Deserialize,
new,
)]
#[get = "pub"]
pub struct Path {
head: Expression,
#[get_mut = "pub(crate)"]
tail: Vec<PathMember>,
}
impl PrettyDebugWithSource for Path {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
self.head.pretty_debug(source)
+ b::operator(".")
+ b::intersperse(self.tail.iter().map(|m| m.pretty()), b::operator("."))
}
}
impl Path {
pub(crate) fn parts(self) -> (Expression, Vec<PathMember>) {
(self.head, self.tail)
}
}

117
src/parser/hir/syntax_shape.rs → crates/nu-parser/src/hir/syntax_shape.rs
View File

@ -1,23 +1,25 @@
mod block;
mod expression;
pub(crate) mod flat_shape;
pub mod flat_shape;
use crate::cli::external_command;
use crate::commands::{
classified::{ClassifiedPipeline, InternalCommand},
ClassifiedCommand, Command,
};
use crate::parser::hir::expand_external_tokens::ExternalTokensShape;
use crate::parser::hir::syntax_shape::block::AnyBlockShape;
use crate::parser::hir::tokens_iterator::Peeked;
use crate::parser::parse::tokens::Token;
use crate::parser::parse_command::{parse_command_tail, CommandTailShape};
use crate::parser::{hir, hir::TokensIterator, Operator, TokenNode, UnspannedToken};
use crate::prelude::*;
use crate::commands::classified::{ClassifiedCommand, ClassifiedPipeline, InternalCommand};
use crate::commands::external_command;
use crate::hir;
use crate::hir::expand_external_tokens::ExternalTokensShape;
use crate::hir::syntax_shape::block::AnyBlockShape;
use crate::hir::tokens_iterator::{Peeked, TokensIterator};
use crate::parse::operator::Operator;
use crate::parse::token_tree::TokenNode;
use crate::parse::tokens::{Token, UnspannedToken};
use crate::parse_command::{parse_command_tail, CommandTailShape};
use derive_new::new;
use getset::Getters;
use nu_source::Spanned;
use serde::{Deserialize, Serialize};
use nu_errors::{ParseError, ShellError};
use nu_protocol::{ShellTypeName, Signature};
use nu_source::{
b, DebugDocBuilder, HasFallibleSpan, HasSpan, PrettyDebug, PrettyDebugWithSource, Span,
Spanned, SpannedItem, Tag, TaggedItem, Text,
};
use std::path::{Path, PathBuf};
pub(crate) use self::expression::atom::{
@ -41,40 +43,12 @@ pub(crate) use self::expression::{continue_expression, AnyExpressionShape};
pub(crate) use self::flat_shape::FlatShape;
#[cfg(not(coloring_in_tokens))]
use crate::parser::hir::tokens_iterator::debug::debug_tokens;
use crate::hir::tokens_iterator::debug::debug_tokens;
#[cfg(not(coloring_in_tokens))]
use crate::parser::parse::pipeline::Pipeline;
use crate::parse::pipeline::Pipeline;
#[cfg(not(coloring_in_tokens))]
use log::{log_enabled, trace};
#[derive(Debug, Copy, Clone, Serialize, Deserialize)]
pub enum SyntaxShape {
Any,
String,
Member,
ColumnPath,
Number,
Int,
Path,
Pattern,
Block,
}
impl PrettyDebug for SyntaxShape {
fn pretty(&self) -> DebugDocBuilder {
b::kind(match self {
SyntaxShape::Any => "any shape",
SyntaxShape::String => "string shape",
SyntaxShape::Member => "member shape",
SyntaxShape::ColumnPath => "column path shape",
SyntaxShape::Number => "number shape",
SyntaxShape::Int => "integer shape",
SyntaxShape::Path => "file path shape",
SyntaxShape::Pattern => "pattern shape",
SyntaxShape::Block => "block shape",
})
}
}
use nu_protocol::SyntaxShape;
#[cfg(not(coloring_in_tokens))]
impl FallibleColorSyntax for SyntaxShape {
@ -200,10 +174,15 @@ impl ExpandExpression for SyntaxShape {
}
}
pub trait SignatureRegistry {
fn has(&self, name: &str) -> bool;
fn get(&self, name: &str) -> Option<Signature>;
}
#[derive(Getters, new)]
pub struct ExpandContext<'context> {
#[get = "pub(crate)"]
registry: &'context CommandRegistry,
registry: Box<dyn SignatureRegistry>,
#[get = "pub(crate)"]
source: &'context Text,
homedir: Option<PathBuf>,
@ -213,21 +192,6 @@ impl<'context> ExpandContext<'context> {
pub(crate) fn homedir(&self) -> Option<&Path> {
self.homedir.as_ref().map(|h| h.as_path())
}
#[cfg(test)]
pub fn with_empty(source: &Text, callback: impl FnOnce(ExpandContext)) {
let mut registry = CommandRegistry::new();
registry.insert(
"ls",
crate::commands::whole_stream_command(crate::commands::LS),
);
callback(ExpandContext {
registry: &registry,
source,
homedir: None,
})
}
}
pub trait TestSyntax: std::fmt::Debug + Copy {
@ -306,7 +270,7 @@ pub trait ColorSyntax: std::fmt::Debug + Copy {
) -> Self::Info;
}
pub(crate) trait ExpandSyntax: std::fmt::Debug + Copy {
pub trait ExpandSyntax: std::fmt::Debug + Copy {
type Output: HasFallibleSpan + Clone + std::fmt::Debug + 'static;
fn name(&self) -> &'static str;
@ -318,7 +282,7 @@ pub(crate) trait ExpandSyntax: std::fmt::Debug + Copy {
) -> Result<Self::Output, ParseError>;
}
pub(crate) fn expand_syntax<'a, 'b, T: ExpandSyntax>(
pub fn expand_syntax<'a, 'b, T: ExpandSyntax>(
shape: &T,
token_nodes: &'b mut TokensIterator<'a>,
context: &ExpandContext,
@ -747,7 +711,7 @@ impl TestSyntax for BareShape {
#[derive(Debug, Clone)]
pub enum CommandSignature {
Internal(Spanned<Arc<Command>>),
Internal(Spanned<Signature>),
LiteralExternal { outer: Span, inner: Span },
External(Span),
Expression(hir::Expression),
@ -757,7 +721,7 @@ impl PrettyDebugWithSource for CommandSignature {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
match self {
CommandSignature::Internal(internal) => {
b::typed("command", b::description(internal.name()))
b::typed("command", b::description(&internal.name))
}
CommandSignature::LiteralExternal { outer, .. } => {
b::typed("command", b::description(outer.slice(source)))
@ -1003,8 +967,8 @@ impl FallibleColorSyntax for CommandHeadShape {
if context.registry.has(name) {
// If the registry has the command, color it as an internal command
shapes.push(FlatShape::InternalCommand.spanned(text));
let command = context.registry.expect_command(name);
Ok(CommandHeadKind::Internal(command.signature()))
let signature = context.registry.get(name).unwrap();
Ok(CommandHeadKind::Internal(signature))
} else {
// Otherwise, color it as an external command
shapes.push(FlatShape::ExternalCommand.spanned(text));
@ -1060,8 +1024,8 @@ impl FallibleColorSyntax for CommandHeadShape {
if context.registry.has(name) {
// If the registry has the command, color it as an internal command
token_nodes.color_shape(FlatShape::InternalCommand.spanned(text));
let command = context.registry.expect_command(name);
Ok(CommandHeadKind::Internal(command.signature()))
let signature = context.registry.get(name).unwrap();
Ok(CommandHeadKind::Internal(signature))
} else {
// Otherwise, color it as an external command
token_nodes.color_shape(FlatShape::ExternalCommand.spanned(text));
@ -1100,8 +1064,8 @@ impl ExpandSyntax for CommandHeadShape {
UnspannedToken::Bare => {
let name = token_span.slice(context.source);
if context.registry.has(name) {
let command = context.registry.expect_command(name);
CommandSignature::Internal(command.spanned(token_span))
let signature = context.registry.get(name).unwrap();
CommandSignature::Internal(signature.spanned(token_span))
} else {
CommandSignature::External(token_span)
}
@ -1162,9 +1126,8 @@ impl ExpandSyntax for ClassifiedCommandShape {
external_command(iterator, context, name_str.tagged(outer))
}
CommandSignature::Internal(command) => {
let tail =
parse_command_tail(&command.signature(), &context, iterator, command.span)?;
CommandSignature::Internal(signature) => {
let tail = parse_command_tail(&signature.item, &context, iterator, signature.span)?;
let (positional, named) = match tail {
None => (None, None),
@ -1181,9 +1144,9 @@ impl ExpandSyntax for ClassifiedCommandShape {
};
Ok(ClassifiedCommand::Internal(InternalCommand::new(
command.item.name().to_string(),
signature.item.name.clone(),
Tag {
span: command.span,
span: signature.span,
anchor: None,
},
call,

14
src/parser/hir/syntax_shape/block.rs → crates/nu-parser/src/hir/syntax_shape/block.rs
View File

@ -1,17 +1,17 @@
use crate::errors::ShellError;
#[cfg(not(coloring_in_tokens))]
use crate::parser::hir::syntax_shape::FlatShape;
use crate::parser::{
use crate::hir::syntax_shape::FlatShape;
use crate::{
hir,
hir::syntax_shape::{
color_fallible_syntax, color_syntax_with, continue_expression, expand_expr, expand_syntax,
DelimitedShape, ExpandContext, ExpandExpression, ExpressionContinuationShape,
ExpressionListShape, FallibleColorSyntax, MemberShape, ParseError, PathTailShape,
PathTailSyntax, VariablePathShape,
ExpressionListShape, FallibleColorSyntax, MemberShape, PathTailShape, PathTailSyntax,
VariablePathShape,
},
hir::tokens_iterator::TokensIterator,
parse::token_tree::Delimiter,
};
use nu_errors::{ParseError, ShellError};
use nu_source::Span;
#[cfg(not(coloring_in_tokens))]
use nu_source::Spanned;
@ -388,8 +388,8 @@ impl FallibleColorSyntax for ShorthandHeadShape {
_context: &ExpandContext,
shapes: &mut Vec<Spanned<FlatShape>>,
) -> Result<(), ShellError> {
use crate::parser::parse::token_tree::TokenNode;
use crate::parser::parse::tokens::{Token, UnspannedToken};
use crate::parse::token_tree::TokenNode;
use crate::parse::tokens::{Token, UnspannedToken};
use nu_source::SpannedItem;
// A shorthand path must not be at EOF

10
src/parser/hir/syntax_shape/expression.rs → crates/nu-parser/src/hir/syntax_shape/expression.rs
View File

@ -8,18 +8,18 @@ pub(crate) mod string;
pub(crate) mod unit;
pub(crate) mod variable_path;
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
color_delimited_square, color_fallible_syntax, color_fallible_syntax_with, expand_atom,
expand_delimited_square, expand_expr, expand_syntax, BareShape, ColorableDotShape, DotShape,
ExpandContext, ExpandExpression, ExpandSyntax, ExpansionRule, ExpressionContinuation,
ExpressionContinuationShape, FallibleColorSyntax, FlatShape, ParseError, UnspannedAtomicToken,
ExpressionContinuationShape, FallibleColorSyntax, FlatShape, UnspannedAtomicToken,
};
use crate::parser::{
use crate::{
hir,
hir::{Expression, TokensIterator},
};
use crate::prelude::*;
use nu_source::Spanned;
use nu_errors::{ParseError, ShellError};
use nu_source::{HasSpan, Span, Spanned, SpannedItem, Tag};
use std::path::PathBuf;
#[derive(Debug, Copy, Clone)]

14
src/parser/hir/syntax_shape/expression/atom.rs → crates/nu-parser/src/hir/syntax_shape/expression/atom.rs
View File

@ -1,15 +1,19 @@
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::FlatShape;
use crate::hir::syntax_shape::{
expand_syntax, expression::expand_file_path, parse_single_node, BarePathShape,
BarePatternShape, ExpandContext, UnitShape, UnitSyntax,
};
use crate::parser::{
use crate::parse::token_tree::{DelimitedNode, Delimiter, TokenNode};
use crate::parse::tokens::UnspannedToken;
use crate::parse::unit::Unit;
use crate::{
hir,
hir::{Expression, RawNumber, TokensIterator},
parse::flag::{Flag, FlagKind},
DelimitedNode, Delimiter, FlatShape, TokenNode, Unit, UnspannedToken,
};
use crate::prelude::*;
use nu_source::Spanned;
use nu_errors::{ParseError, ShellError};
use nu_protocol::ShellTypeName;
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebugWithSource, Span, Spanned, SpannedItem};
use std::ops::Deref;
#[derive(Debug, Clone)]

7
src/parser/hir/syntax_shape/expression/delimited.rs → crates/nu-parser/src/hir/syntax_shape/expression/delimited.rs
View File

@ -1,10 +1,11 @@
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
color_syntax, expand_syntax, ColorSyntax, ExpandContext, ExpressionListShape, TokenNode,
};
use crate::parser::{hir, hir::TokensIterator, Delimiter, FlatShape};
use crate::prelude::*;
use crate::{hir, hir::TokensIterator, Delimiter, FlatShape};
use nu_errors::ParseError;
#[cfg(not(coloring_in_tokens))]
use nu_source::Spanned;
use nu_source::{Span, SpannedItem, Tag};
pub fn expand_delimited_square(
children: &Vec<TokenNode>,

21
src/parser/hir/syntax_shape/expression/file_path.rs → crates/nu-parser/src/hir/syntax_shape/expression/file_path.rs
View File

@ -1,12 +1,12 @@
use crate::parser::hir::syntax_shape::expression::atom::{
use crate::hir::syntax_shape::expression::atom::{
expand_atom, ExpansionRule, UnspannedAtomicToken,
};
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
expression::expand_file_path, ExpandContext, ExpandExpression, FallibleColorSyntax, FlatShape,
ParseError,
};
use crate::parser::{hir, hir::TokensIterator};
use crate::prelude::*;
use crate::{hir, hir::TokensIterator};
use nu_errors::{ParseError, ShellError};
use nu_source::SpannedItem;
#[derive(Debug, Copy, Clone)]
pub struct FilePathShape;
@ -102,10 +102,17 @@ impl ExpandExpression for FilePathShape {
token_nodes: &mut TokensIterator<'_>,
context: &ExpandContext,
) -> Result<hir::Expression, ParseError> {
let atom = expand_atom(token_nodes, "file path", context, ExpansionRule::new())?;
let atom = expand_atom(
token_nodes,
"file path",
context,
ExpansionRule::new().allow_external_word(),
)?;
match atom.unspanned {
UnspannedAtomicToken::Word { text: body } | UnspannedAtomicToken::String { body } => {
UnspannedAtomicToken::Word { text: body }
| UnspannedAtomicToken::ExternalWord { text: body }
| UnspannedAtomicToken::String { body } => {
let path = expand_file_path(body.slice(context.source), context);
return Ok(hir::Expression::file_path(path, atom.span));
}

6
src/parser/hir/syntax_shape/expression/list.rs → crates/nu-parser/src/hir/syntax_shape/expression/list.rs
View File

@ -1,7 +1,6 @@
use crate::errors::ParseError;
#[cfg(not(coloring_in_tokens))]
use crate::parser::hir::syntax_shape::FlatShape;
use crate::parser::{
use crate::hir::syntax_shape::FlatShape;
use crate::{
hir,
hir::syntax_shape::{
color_fallible_syntax, color_syntax, expand_atom, expand_expr, maybe_spaced, spaced,
@ -10,6 +9,7 @@ use crate::parser::{
},
hir::TokensIterator,
};
use nu_errors::ParseError;
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebugWithSource, Span, Spanned, SpannedItem};
#[derive(Debug, Clone)]

14
src/parser/hir/syntax_shape/expression/number.rs → crates/nu-parser/src/hir/syntax_shape/expression/number.rs
View File

@ -1,15 +1,15 @@
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
expand_atom, parse_single_node, ExpandContext, ExpandExpression, ExpansionRule,
FallibleColorSyntax, FlatShape, ParseError, TestSyntax,
FallibleColorSyntax, FlatShape, TestSyntax,
};
use crate::parser::hir::tokens_iterator::Peeked;
use crate::parser::{
use crate::hir::tokens_iterator::Peeked;
use crate::parse::tokens::UnspannedToken;
use crate::{
hir,
hir::{RawNumber, TokensIterator},
UnspannedToken,
};
use crate::prelude::*;
use nu_source::Spanned;
use nu_errors::{ParseError, ShellError};
use nu_source::{Spanned, SpannedItem};
#[derive(Debug, Copy, Clone)]
pub struct NumberShape;

21
src/parser/hir/syntax_shape/expression/pattern.rs → crates/nu-parser/src/hir/syntax_shape/expression/pattern.rs
View File

@ -1,12 +1,15 @@
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
expand_atom, expand_bare, expression::expand_file_path, ExpandContext, ExpandExpression,
ExpandSyntax, ExpansionRule, FallibleColorSyntax, FlatShape, ParseError, UnspannedAtomicToken,
ExpandSyntax, ExpansionRule, FallibleColorSyntax, FlatShape, UnspannedAtomicToken,
};
use crate::parser::parse::tokens::Token;
use crate::parser::{hir, hir::TokensIterator, Operator, TokenNode, UnspannedToken};
use crate::prelude::*;
use crate::parse::tokens::{Token, UnspannedToken};
use crate::{hir, hir::TokensIterator, Operator, TokenNode};
use nu_errors::{ParseError, ShellError};
#[cfg(coloring_in_tokens)]
use nu_protocol::ShellTypeName;
#[cfg(not(coloring_in_tokens))]
use nu_source::Spanned;
use nu_source::{Span, SpannedItem};
#[derive(Debug, Copy, Clone)]
pub struct PatternShape;
@ -81,11 +84,17 @@ impl ExpandExpression for PatternShape {
token_nodes: &mut TokensIterator<'_>,
context: &ExpandContext,
) -> Result<hir::Expression, ParseError> {
let atom = expand_atom(token_nodes, "pattern", context, ExpansionRule::new())?;
let atom = expand_atom(
token_nodes,
"pattern",
context,
ExpansionRule::new().allow_external_word(),
)?;
match atom.unspanned {
UnspannedAtomicToken::Word { text: body }
| UnspannedAtomicToken::String { body }
| UnspannedAtomicToken::ExternalWord { text: body }
| UnspannedAtomicToken::GlobPattern { pattern: body } => {
let path = expand_file_path(body.slice(context.source), context);
return Ok(hir::Expression::pattern(path.to_string_lossy(), atom.span));

12
src/parser/hir/syntax_shape/expression/string.rs → crates/nu-parser/src/hir/syntax_shape/expression/string.rs
View File

@ -1,12 +1,14 @@
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
expand_atom, expand_variable, parse_single_node, AtomicToken, ExpandContext, ExpandExpression,
ExpansionRule, FallibleColorSyntax, FlatShape, ParseError, TestSyntax, UnspannedAtomicToken,
ExpansionRule, FallibleColorSyntax, FlatShape, TestSyntax, UnspannedAtomicToken,
};
use crate::parser::hir::tokens_iterator::Peeked;
use crate::parser::{hir, hir::TokensIterator, UnspannedToken};
use crate::prelude::*;
use crate::hir::tokens_iterator::Peeked;
use crate::parse::tokens::UnspannedToken;
use crate::{hir, hir::TokensIterator};
use nu_errors::{ParseError, ShellError};
#[cfg(not(coloring_in_tokens))]
use nu_source::Spanned;
use nu_source::SpannedItem;
#[derive(Debug, Copy, Clone)]
pub struct StringShape;

15
src/parser/hir/syntax_shape/expression/unit.rs → crates/nu-parser/src/hir/syntax_shape/expression/unit.rs
View File

@ -1,15 +1,16 @@
use crate::parser::hir::syntax_shape::{ExpandContext, ExpandSyntax, ParseError};
use crate::parser::parse::tokens::RawNumber;
use crate::parser::parse::tokens::Token;
use crate::parser::parse::unit::Unit;
use crate::parser::{hir::TokensIterator, TokenNode, UnspannedToken};
use crate::prelude::*;
use crate::hir::syntax_shape::{ExpandContext, ExpandSyntax};
use crate::parse::tokens::RawNumber;
use crate::parse::tokens::Token;
use crate::parse::tokens::UnspannedToken;
use crate::parse::unit::Unit;
use crate::{hir::TokensIterator, TokenNode};
use nom::branch::alt;
use nom::bytes::complete::tag;
use nom::character::complete::digit1;
use nom::combinator::{all_consuming, opt, value};
use nom::IResult;
use nu_source::{Span, Spanned};
use nu_errors::ParseError;
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebugWithSource, Span, Spanned, SpannedItem};
#[derive(Debug, Clone)]
pub struct UnitSyntax {

17
src/parser/hir/syntax_shape/expression/variable_path.rs → crates/nu-parser/src/hir/syntax_shape/expression/variable_path.rs
View File

@ -1,16 +1,19 @@
use crate::parser::hir::path::PathMember;
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
color_fallible_syntax, color_fallible_syntax_with, expand_atom, expand_expr, expand_syntax,
parse_single_node, AnyExpressionShape, BareShape, ExpandContext, ExpandExpression,
ExpandSyntax, ExpansionRule, FallibleColorSyntax, FlatShape, ParseError, Peeked, SkipSyntax,
StringShape, TestSyntax, UnspannedAtomicToken, WhitespaceShape,
};
use crate::parser::{
hir, hir::Expression, hir::TokensIterator, Operator, RawNumber, UnspannedToken,
use crate::parse::tokens::{RawNumber, UnspannedToken};
use crate::{hir, hir::Expression, hir::TokensIterator, Operator};
use nu_errors::ShellError;
use nu_protocol::{PathMember, ShellTypeName};
use nu_source::{
b, DebugDocBuilder, HasSpan, PrettyDebug, PrettyDebugWithSource, Span, Spanned, SpannedItem,
Tag, Tagged, TaggedItem, Text,
};
use crate::prelude::*;
use nu_source::{Spanned, Tagged};
use serde::Serialize;
use num_bigint::BigInt;
use serde::{Deserialize, Serialize};
use std::str::FromStr;
#[derive(Debug, Copy, Clone)]

5
src/parser/hir/syntax_shape/flat_shape.rs → crates/nu-parser/src/hir/syntax_shape/flat_shape.rs
View File

@ -1,4 +1,7 @@
use crate::parser::{Delimiter, Flag, FlagKind, Operator, RawNumber, TokenNode, UnspannedToken};
use crate::parse::flag::{Flag, FlagKind};
use crate::parse::operator::Operator;
use crate::parse::token_tree::{Delimiter, TokenNode};
use crate::parse::tokens::{RawNumber, UnspannedToken};
use nu_source::{HasSpan, Span, Spanned, SpannedItem, Text};
#[derive(Debug, Copy, Clone)]

11
src/parser/hir/tokens_iterator.rs → crates/nu-parser/src/hir/tokens_iterator.rs
View File

@ -1,15 +1,14 @@
pub(crate) mod debug;
use self::debug::{ColorTracer, ExpandTracer};
use crate::errors::ShellError;
#[cfg(coloring_in_tokens)]
use crate::parser::hir::syntax_shape::FlatShape;
use crate::parser::hir::Expression;
use crate::parser::TokenNode;
use crate::prelude::*;
use crate::hir::syntax_shape::FlatShape;
use crate::hir::Expression;
use crate::TokenNode;
#[allow(unused)]
use getset::{Getters, MutGetters};
use nu_source::Spanned;
use nu_errors::{ParseError, ShellError};
use nu_source::{HasFallibleSpan, HasSpan, Span, Spanned, SpannedItem, Tag, Text};
cfg_if::cfg_if! {
if #[cfg(coloring_in_tokens)] {

2
src/parser/hir/tokens_iterator/debug.rs → crates/nu-parser/src/hir/tokens_iterator/debug.rs
View File

@ -6,7 +6,7 @@ pub(crate) mod expand_trace;
pub(crate) use self::color_trace::*;
pub(crate) use self::expand_trace::*;
use crate::parser::hir::tokens_iterator::TokensIteratorState;
use crate::hir::tokens_iterator::TokensIteratorState;
use nu_source::{PrettyDebug, PrettyDebugWithSource, Text};
#[derive(Debug)]

7
src/parser/hir/tokens_iterator/debug/color_trace.rs → crates/nu-parser/src/hir/tokens_iterator/debug/color_trace.rs
View File

@ -1,9 +1,8 @@
use crate::errors::ShellError;
use crate::parser::hir::syntax_shape::FlatShape;
use crate::prelude::*;
use crate::hir::syntax_shape::FlatShape;
use ansi_term::Color;
use log::trace;
use nu_source::Spanned;
use nu_errors::ShellError;
use nu_source::{Spanned, Text};
use ptree::*;
use std::borrow::Cow;
use std::io;

7
src/parser/hir/tokens_iterator/debug/expand_trace.rs → crates/nu-parser/src/hir/tokens_iterator/debug/expand_trace.rs
View File

@ -1,8 +1,9 @@
use crate::parser::hir::Expression;
use crate::prelude::*;
use crate::hir::Expression;
use ansi_term::Color;
use log::trace;
use nu_source::DebugDoc;
use nu_errors::ParseError;
use nu_protocol::ShellTypeName;
use nu_source::{DebugDoc, PrettyDebug, PrettyDebugWithSource, Text};
use ptree::*;
use std::borrow::Cow;
use std::io;

4
src/parser/hir/tokens_iterator/tests.rs → crates/nu-parser/src/hir/tokens_iterator/tests.rs
View File

@ -1,5 +1,5 @@
use crate::parser::hir::TokensIterator;
use crate::parser::parse::token_tree_builder::TokenTreeBuilder as b;
use crate::hir::TokensIterator;
use crate::parse::token_tree_builder::TokenTreeBuilder as b;
use crate::Span;
#[test]

29
crates/nu-parser/src/lib.rs Normal file
View File

@ -0,0 +1,29 @@
pub mod commands;
pub mod hir;
pub mod parse;
pub mod parse_command;
pub use crate::commands::classified::{ClassifiedCommand, ClassifiedPipeline, InternalCommand};
pub use crate::commands::ExternalCommand;
pub use crate::hir::syntax_shape::flat_shape::FlatShape;
pub use crate::hir::syntax_shape::{expand_syntax, ExpandSyntax, PipelineShape, SignatureRegistry};
pub use crate::hir::tokens_iterator::TokensIterator;
pub use crate::parse::files::Files;
pub use crate::parse::flag::Flag;
pub use crate::parse::operator::Operator;
pub use crate::parse::parser::pipeline;
pub use crate::parse::parser::Number;
pub use crate::parse::token_tree::{Delimiter, TokenNode};
pub use crate::parse::token_tree_builder::TokenTreeBuilder;
use nu_errors::ShellError;
use nu_source::nom_input;
pub fn parse(input: &str) -> Result<TokenNode, ShellError> {
let _ = pretty_env_logger::try_init();
match pipeline(nom_input(input)) {
Ok((_rest, val)) => Ok(val),
Err(err) => Err(ShellError::parse_error(err)),
}
}

0
src/parser/parse.rs → crates/nu-parser/src/parse.rs
View File

4
src/parser/parse/call_node.rs → crates/nu-parser/src/parse/call_node.rs
View File

@ -1,6 +1,6 @@
use crate::parser::TokenNode;
use crate::prelude::*;
use crate::TokenNode;
use getset::Getters;
use nu_source::{b, DebugDocBuilder, PrettyDebugWithSource};
#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Getters)]
pub struct CallNode {

0
src/parser/parse/files.rs → crates/nu-parser/src/parse/files.rs
View File

5
src/parser/parse/flag.rs → crates/nu-parser/src/parse/flag.rs
View File

@ -1,8 +1,7 @@
use crate::parser::hir::syntax_shape::flat_shape::FlatShape;
use crate::prelude::*;
use crate::hir::syntax_shape::flat_shape::FlatShape;
use derive_new::new;
use getset::Getters;
use nu_source::{Span, Spanned, SpannedItem};
use nu_source::{b, DebugDocBuilder, PrettyDebugWithSource, Span, Spanned, SpannedItem};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Deserialize, Serialize)]

3
src/parser/parse/operator.rs → crates/nu-parser/src/parse/operator.rs
View File

@ -1,5 +1,4 @@
#[allow(unused)]
use crate::prelude::*;
use nu_source::{b, DebugDocBuilder, PrettyDebug};
use serde::{Deserialize, Serialize};
use std::str::FromStr;

45
src/parser/parse/parser.rs → crates/nu-parser/src/parse/parser.rs
View File

@ -1,10 +1,9 @@
#![allow(unused)]
use crate::parser::parse::{
use crate::parse::{
call_node::*, flag::*, operator::*, pipeline::*, token_tree::*, token_tree_builder::*,
tokens::*, unit::*,
};
use crate::prelude::*;
use nom;
use nom::branch::*;
use nom::bytes::complete::*;
@ -13,6 +12,7 @@ use nom::combinator::*;
use nom::multi::*;
use nom::sequence::*;
use bigdecimal::BigDecimal;
use derive_new::new;
use log::trace;
use nom::dbg;
@ -20,7 +20,14 @@ use nom::*;
use nom::{AsBytes, FindSubstring, IResult, InputLength, InputTake, Slice};
use nom_locate::{position, LocatedSpanEx};
use nom_tracable::{tracable_parser, HasTracableInfo, TracableInfo};
use nu_source::{nom_input, NomSpan, Spanned};
use nu_protocol::{Primitive, UntaggedValue};
use nu_source::{
b, nom_input, DebugDocBuilder, HasSpan, NomSpan, PrettyDebug, PrettyDebugWithSource, Span,
Spanned, SpannedItem, Tag,
};
use num_bigint::BigInt;
use num_traits::identities::Zero;
use num_traits::FromPrimitive;
use serde::{Deserialize, Serialize};
use std::fmt::Debug;
use std::str::FromStr;
@ -63,6 +70,32 @@ impl Into<Number> for &Number {
}
}
impl Into<UntaggedValue> for Number {
fn into(self) -> UntaggedValue {
match self {
Number::Int(i) => int(i),
Number::Decimal(d) => decimal(d),
}
}
}
pub fn int(i: impl Into<BigInt>) -> UntaggedValue {
UntaggedValue::Primitive(Primitive::Int(i.into()))
}
pub fn decimal(i: impl Into<BigDecimal>) -> UntaggedValue {
UntaggedValue::Primitive(Primitive::Decimal(i.into()))
}
impl Into<UntaggedValue> for &Number {
fn into(self) -> UntaggedValue {
match self {
Number::Int(i) => int(i.clone()),
Number::Decimal(d) => decimal(d.clone()),
}
}
}
impl PrettyDebug for Number {
fn pretty(&self) -> DebugDocBuilder {
match self {
@ -616,7 +649,7 @@ pub fn pipeline(input: NomSpan) -> IResult<NomSpan, TokenNode> {
))
}
fn int<T>(frag: &str, neg: Option<T>) -> i64 {
fn parse_int<T>(frag: &str, neg: Option<T>) -> i64 {
let int = FromStr::from_str(frag).unwrap();
match neg {
@ -712,8 +745,8 @@ fn is_member_start(c: char) -> bool {
#[cfg(test)]
mod tests {
use super::*;
use crate::parser::parse::token_tree_builder::TokenTreeBuilder as b;
use crate::parser::parse::token_tree_builder::{CurriedToken, TokenTreeBuilder};
use crate::parse::token_tree_builder::TokenTreeBuilder as b;
use crate::parse::token_tree_builder::{CurriedToken, TokenTreeBuilder};
use pretty_assertions::assert_eq;
pub type CurriedNode<T> = Box<dyn FnOnce(&mut TokenTreeBuilder) -> T + 'static>;

5
src/parser/parse/pipeline.rs → crates/nu-parser/src/parse/pipeline.rs
View File

@ -1,8 +1,7 @@
use crate::parser::TokenNode;
use crate::prelude::*;
use crate::TokenNode;
use derive_new::new;
use getset::Getters;
use nu_source::{DebugDocBuilder, PrettyDebugWithSource, Span, Spanned};
use nu_source::{b, DebugDocBuilder, HasSpan, PrettyDebugWithSource, Span, Spanned};
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Getters, new)]
pub struct Pipeline {

12
src/parser/parse/token_tree.rs → crates/nu-parser/src/parse/token_tree.rs
View File

@ -1,10 +1,12 @@
use crate::errors::{ParseError, ShellError};
use crate::parser::parse::{call_node::*, flag::*, operator::*, pipeline::*, tokens::*};
use crate::prelude::*;
use crate::parse::{call_node::*, flag::*, operator::*, pipeline::*, tokens::*};
use derive_new::new;
use getset::Getters;
use nu_source::Spanned;
use nu_source::{Tagged, Text};
use nu_errors::{ParseError, ShellError};
use nu_protocol::ShellTypeName;
use nu_source::{
b, DebugDocBuilder, HasSpan, PrettyDebugWithSource, Span, Spanned, SpannedItem, Tagged,
TaggedItem, Text,
};
use std::fmt;
#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd)]

18
src/parser/parse/token_tree_builder.rs → crates/nu-parser/src/parse/token_tree_builder.rs
View File

@ -1,12 +1,12 @@
use crate::prelude::*;
use crate::parser::parse::flag::{Flag, FlagKind};
use crate::parser::parse::operator::Operator;
use crate::parser::parse::pipeline::{Pipeline, PipelineElement};
use crate::parser::parse::token_tree::{DelimitedNode, Delimiter, TokenNode};
use crate::parser::parse::tokens::{RawNumber, UnspannedToken};
use crate::parser::CallNode;
use nu_source::Spanned;
use crate::parse::call_node::CallNode;
use crate::parse::flag::{Flag, FlagKind};
use crate::parse::operator::Operator;
use crate::parse::pipeline::{Pipeline, PipelineElement};
use crate::parse::token_tree::{DelimitedNode, Delimiter, TokenNode};
use crate::parse::tokens::{RawNumber, UnspannedToken};
use bigdecimal::BigDecimal;
use nu_source::{Span, Spanned, SpannedItem};
use num_bigint::BigInt;
pub struct TokenTreeBuilder {
pos: usize,

12
src/parser/parse/tokens.rs → crates/nu-parser/src/parse/tokens.rs
View File

@ -1,6 +1,12 @@
use crate::parser::Operator;
use crate::prelude::*;
use nu_source::{Spanned, Text};
use crate::parse::parser::Number;
use crate::Operator;
use bigdecimal::BigDecimal;
use nu_protocol::ShellTypeName;
use nu_source::{
b, DebugDocBuilder, HasSpan, PrettyDebug, PrettyDebugWithSource, Span, Spanned, SpannedItem,
Text,
};
use num_bigint::BigInt;
use std::fmt;
use std::str::FromStr;

52
src/parser/parse/unit.rs → crates/nu-parser/src/parse/unit.rs
View File

@ -1,4 +1,7 @@
use crate::prelude::*;
use crate::parse::parser::Number;
use nu_protocol::{Primitive, UntaggedValue};
use nu_source::{b, DebugDocBuilder, PrettyDebug};
use num_traits::ToPrimitive;
use serde::{Deserialize, Serialize};
use std::str::FromStr;
@ -25,7 +28,7 @@ pub enum Unit {
impl PrettyDebug for Unit {
fn pretty(&self) -> DebugDocBuilder {
b::keyword(format!("{:?}", self))
b::keyword(self.as_str())
}
}
@ -55,31 +58,40 @@ impl Unit {
}
}
pub(crate) fn compute(&self, size: &Number) -> UntaggedValue {
pub fn compute(&self, size: &Number) -> UntaggedValue {
let size = size.clone();
match &self {
Unit::Byte => UntaggedValue::number(size),
Unit::Kilobyte => UntaggedValue::number(size * 1024),
Unit::Megabyte => UntaggedValue::number(size * 1024 * 1024),
Unit::Gigabyte => UntaggedValue::number(size * 1024 * 1024 * 1024),
Unit::Terabyte => UntaggedValue::number(size * 1024 * 1024 * 1024 * 1024),
Unit::Petabyte => UntaggedValue::number(size * 1024 * 1024 * 1024 * 1024 * 1024),
Unit::Second => UntaggedValue::duration(convert_number_to_u64(&size)),
Unit::Minute => UntaggedValue::duration(60 * convert_number_to_u64(&size)),
Unit::Hour => UntaggedValue::duration(60 * 60 * convert_number_to_u64(&size)),
Unit::Day => UntaggedValue::duration(24 * 60 * 60 * convert_number_to_u64(&size)),
Unit::Week => UntaggedValue::duration(7 * 24 * 60 * 60 * convert_number_to_u64(&size)),
Unit::Month => {
UntaggedValue::duration(30 * 24 * 60 * 60 * convert_number_to_u64(&size))
}
Unit::Year => {
UntaggedValue::duration(365 * 24 * 60 * 60 * convert_number_to_u64(&size))
}
Unit::Byte => number(size),
Unit::Kilobyte => number(size * 1024),
Unit::Megabyte => number(size * 1024 * 1024),
Unit::Gigabyte => number(size * 1024 * 1024 * 1024),
Unit::Terabyte => number(size * 1024 * 1024 * 1024 * 1024),
Unit::Petabyte => number(size * 1024 * 1024 * 1024 * 1024 * 1024),
Unit::Second => duration(convert_number_to_u64(&size)),
Unit::Minute => duration(60 * convert_number_to_u64(&size)),
Unit::Hour => duration(60 * 60 * convert_number_to_u64(&size)),
Unit::Day => duration(24 * 60 * 60 * convert_number_to_u64(&size)),
Unit::Week => duration(7 * 24 * 60 * 60 * convert_number_to_u64(&size)),
Unit::Month => duration(30 * 24 * 60 * 60 * convert_number_to_u64(&size)),
Unit::Year => duration(365 * 24 * 60 * 60 * convert_number_to_u64(&size)),
}
}
}
fn number(number: impl Into<Number>) -> UntaggedValue {
let number = number.into();
match number {
Number::Int(int) => UntaggedValue::Primitive(Primitive::Int(int)),
Number::Decimal(decimal) => UntaggedValue::Primitive(Primitive::Decimal(decimal)),
}
}
pub fn duration(secs: u64) -> UntaggedValue {
UntaggedValue::Primitive(Primitive::Duration(secs))
}
impl FromStr for Unit {
type Err = ();
fn from_str(input: &str) -> Result<Self, <Self as std::str::FromStr>::Err> {

0
src/parser/parse/util.rs → crates/nu-parser/src/parse/util.rs
View File

16
src/parser/parse_command.rs → crates/nu-parser/src/parse_command.rs
View File

@ -1,17 +1,17 @@
use crate::errors::{ArgumentError, ParseError};
use crate::parser::hir::syntax_shape::{
use crate::hir::syntax_shape::{
color_fallible_syntax, color_syntax, expand_expr, flat_shape::FlatShape, spaced,
BackoffColoringMode, ColorSyntax, MaybeSpaceShape,
};
use crate::parser::registry::{NamedType, PositionalType, Signature};
use crate::parser::TokensIterator;
use crate::parser::{
use crate::TokensIterator;
use crate::{
hir::{self, ExpandContext, NamedArguments},
Flag,
};
use log::trace;
use nu_source::{PrettyDebugWithSource, Text};
use nu_source::{Span, Spanned, SpannedItem};
use nu_source::{PrettyDebugWithSource, Span, Spanned, SpannedItem, Text};
use nu_errors::{ArgumentError, ParseError};
use nu_protocol::{NamedType, PositionalType, Signature};
pub fn parse_command_tail(
config: &Signature,
@ -389,7 +389,7 @@ impl ColorSyntax for CommandTailShape {
token_nodes: &'b mut TokensIterator<'a>,
context: &ExpandContext,
) -> Self::Info {
use crate::parser::hir::syntax_shape::SyntaxShape;
use nu_protocol::SyntaxShape;
let mut args = ColoringArgs::new(token_nodes.len());
trace_remaining("nodes", &token_nodes, context.source());

37
crates/nu-protocol/Cargo.toml Normal file
View File

@ -0,0 +1,37 @@
[package]
name = "nu-protocol"
version = "0.1.0"
authors = ["Yehuda Katz <wycats@gmail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
nu-source = { path = "../nu-source" }
nu-errors = { path = "../nu-errors" }
serde = { version = "1.0.102", features = ["derive"] }
indexmap = { version = "1.3.0", features = ["serde-1"] }
num-bigint = { version = "0.2.3", features = ["serde"] }
bigdecimal = { version = "0.1.0", features = ["serde"] }
chrono = { version = "0.4.9", features = ["serde"] }
num-traits = "0.2.8"
serde_bytes = "0.11.2"
getset = "0.0.9"
derive-new = "0.5.8"
ansi_term = "0.12.1"
language-reporting = "0.4.0"
nom = "5.0.1"
nom_locate = "1.0.0"
nom-tracable = "0.4.1"
typetag = "0.1.4"
query_interface = "0.3.5"
# implement conversions
subprocess = "0.1.18"
serde_yaml = "0.8"
toml = "0.5.5"
serde_json = "1.0.41"
[build-dependencies]
nu-build = { version = "0.1.0", path = "../nu-build" }

3
crates/nu-protocol/build.rs Normal file
View File

@ -0,0 +1,3 @@
fn main() -> Result<(), Box<dyn std::error::Error>> {
nu_build::build()
}

93
crates/nu-protocol/src/call_info.rs Normal file
View File

@ -0,0 +1,93 @@
use crate::value::Value;
use derive_new::new;
use indexmap::IndexMap;
use nu_errors::ShellError;
use nu_source::Tag;
use serde::{Deserialize, Serialize};
#[derive(Deserialize, Serialize, Debug, Clone)]
pub struct CallInfo {
pub args: EvaluatedArgs,
pub name_tag: Tag,
}
#[derive(Debug, Default, new, Serialize, Deserialize, Clone)]
pub struct EvaluatedArgs {
pub positional: Option<Vec<Value>>,
pub named: Option<IndexMap<String, Value>>,
}
impl EvaluatedArgs {
pub fn slice_from(&self, from: usize) -> Vec<Value> {
let positional = &self.positional;
match positional {
None => vec![],
Some(list) => list[from..].to_vec(),
}
}
pub fn nth(&self, pos: usize) -> Option<&Value> {
match &self.positional {
None => None,
Some(array) => array.iter().nth(pos),
}
}
pub fn expect_nth(&self, pos: usize) -> Result<&Value, ShellError> {
match &self.positional {
None => Err(ShellError::unimplemented("Better error: expect_nth")),
Some(array) => match array.iter().nth(pos) {
None => Err(ShellError::unimplemented("Better error: expect_nth")),
Some(item) => Ok(item),
},
}
}
pub fn len(&self) -> usize {
match &self.positional {
None => 0,
Some(array) => array.len(),
}
}
pub fn has(&self, name: &str) -> bool {
match &self.named {
None => false,
Some(named) => named.contains_key(name),
}
}
pub fn get(&self, name: &str) -> Option<&Value> {
match &self.named {
None => None,
Some(named) => named.get(name),
}
}
pub fn positional_iter(&self) -> PositionalIter<'_> {
match &self.positional {
None => PositionalIter::Empty,
Some(v) => {
let iter = v.iter();
PositionalIter::Array(iter)
}
}
}
}
pub enum PositionalIter<'a> {
Empty,
Array(std::slice::Iter<'a, Value>),
}
impl<'a> Iterator for PositionalIter<'a> {
type Item = &'a Value;
fn next(&mut self) -> Option<Self::Item> {
match self {
PositionalIter::Empty => None,
PositionalIter::Array(iter) => iter.next(),
}
}
}

24
crates/nu-protocol/src/lib.rs Normal file
View File

@ -0,0 +1,24 @@
#[macro_use]
mod macros;
mod call_info;
mod maybe_owned;
mod plugin;
mod return_value;
mod signature;
mod syntax_shape;
mod type_name;
mod value;
pub use crate::call_info::{CallInfo, EvaluatedArgs};
pub use crate::maybe_owned::MaybeOwned;
pub use crate::plugin::{serve_plugin, Plugin};
pub use crate::return_value::{CommandAction, ReturnSuccess, ReturnValue};
pub use crate::signature::{NamedType, PositionalType, Signature};
pub use crate::syntax_shape::SyntaxShape;
pub use crate::type_name::{PrettyType, ShellTypeName, SpannedTypeName};
pub use crate::value::column_path::{ColumnPath, PathMember, UnspannedPathMember};
pub use crate::value::dict::Dictionary;
pub use crate::value::evaluate::{Evaluate, EvaluateTrait, Scope};
pub use crate::value::primitive::Primitive;
pub use crate::value::{UntaggedValue, Value};

12
crates/nu-protocol/src/macros.rs Normal file
View File

@ -0,0 +1,12 @@
// These macros exist to differentiate between intentional writing to stdout
// and stray printlns left by accident
#[macro_export]
macro_rules! outln {
($($tokens:tt)*) => { println!($($tokens)*) }
}
#[macro_export]
macro_rules! errln {
($($tokens:tt)*) => { eprintln!($($tokens)*) }
}

14
crates/nu-protocol/src/maybe_owned.rs Normal file
View File

@ -0,0 +1,14 @@
#[derive(Debug)]
pub enum MaybeOwned<'a, T> {
Owned(T),
Borrowed(&'a T),
}
impl<T> MaybeOwned<'_, T> {
pub fn borrow(&self) -> &T {
match self {
MaybeOwned::Owned(v) => v,
MaybeOwned::Borrowed(v) => v,
}
}
}

7
src/plugin.rs → crates/nu-protocol/src/plugin.rs
View File

@ -1,5 +1,8 @@
use crate::Signature;
use crate::{CallInfo, ReturnValue, ShellError, Value};
use crate::call_info::CallInfo;
use crate::return_value::ReturnValue;
use crate::signature::Signature;
use crate::value::Value;
use nu_errors::ShellError;
use serde::{Deserialize, Serialize};
use std::io;

76
crates/nu-protocol/src/return_value.rs Normal file
View File

@ -0,0 +1,76 @@
use crate::value::Value;
use nu_errors::ShellError;
use nu_source::{b, DebugDocBuilder, PrettyDebug};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum CommandAction {
ChangePath(String),
Exit,
Error(ShellError),
EnterShell(String),
EnterValueShell(Value),
EnterHelpShell(Value),
PreviousShell,
NextShell,
LeaveShell,
}
impl PrettyDebug for CommandAction {
fn pretty(&self) -> DebugDocBuilder {
match self {
CommandAction::ChangePath(path) => b::typed("change path", b::description(path)),
CommandAction::Exit => b::description("exit"),
CommandAction::Error(_) => b::error("error"),
CommandAction::EnterShell(s) => b::typed("enter shell", b::description(s)),
CommandAction::EnterValueShell(v) => b::typed("enter value shell", v.pretty()),
CommandAction::EnterHelpShell(v) => b::typed("enter help shell", v.pretty()),
CommandAction::PreviousShell => b::description("previous shell"),
CommandAction::NextShell => b::description("next shell"),
CommandAction::LeaveShell => b::description("leave shell"),
}
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ReturnSuccess {
Value(Value),
DebugValue(Value),
Action(CommandAction),
}
impl PrettyDebug for ReturnSuccess {
fn pretty(&self) -> DebugDocBuilder {
match self {
ReturnSuccess::Value(value) => b::typed("value", value.pretty()),
ReturnSuccess::DebugValue(value) => b::typed("debug value", value.pretty()),
ReturnSuccess::Action(action) => b::typed("action", action.pretty()),
}
}
}
pub type ReturnValue = Result<ReturnSuccess, ShellError>;
impl Into<ReturnValue> for Value {
fn into(self) -> ReturnValue {
Ok(ReturnSuccess::Value(self))
}
}
impl ReturnSuccess {
pub fn change_cwd(path: String) -> ReturnValue {
Ok(ReturnSuccess::Action(CommandAction::ChangePath(path)))
}
pub fn value(input: impl Into<Value>) -> ReturnValue {
Ok(ReturnSuccess::Value(input.into()))
}
pub fn debug_value(input: impl Into<Value>) -> ReturnValue {
Ok(ReturnSuccess::DebugValue(input.into()))
}
pub fn action(input: CommandAction) -> ReturnValue {
Ok(ReturnSuccess::Action(input))
}
}

145
src/parser/registry.rs → crates/nu-protocol/src/signature.rs
View File

@ -1,11 +1,6 @@
// TODO: Temporary redirect
pub(crate) use crate::context::CommandRegistry;
use crate::evaluate::{evaluate_baseline_expr, Scope};
use crate::parser::{hir, hir::SyntaxShape};
use crate::prelude::*;
use derive_new::new;
use crate::syntax_shape::SyntaxShape;
use indexmap::IndexMap;
use nu_source::{b, DebugDocBuilder, PrettyDebug, PrettyDebugWithSource};
use serde::{Deserialize, Serialize};
#[derive(Debug, Serialize, Deserialize, Clone)]
@ -57,14 +52,14 @@ impl PositionalType {
PositionalType::Optional(name.to_string(), SyntaxShape::Any)
}
pub(crate) fn name(&self) -> &str {
pub fn name(&self) -> &str {
match self {
PositionalType::Mandatory(s, _) => s,
PositionalType::Optional(s, _) => s,
}
}
pub(crate) fn syntax_type(&self) -> SyntaxShape {
pub fn syntax_type(&self) -> SyntaxShape {
match *self {
PositionalType::Mandatory(_, t) => t,
PositionalType::Optional(_, t) => t,
@ -192,135 +187,3 @@ impl Signature {
self
}
}
#[derive(Debug, Default, new, Serialize, Deserialize, Clone)]
pub struct EvaluatedArgs {
pub positional: Option<Vec<Value>>,
pub named: Option<IndexMap<String, Value>>,
}
impl EvaluatedArgs {
pub fn slice_from(&self, from: usize) -> Vec<Value> {
let positional = &self.positional;
match positional {
None => vec![],
Some(list) => list[from..].to_vec(),
}
}
}
impl EvaluatedArgs {
pub fn nth(&self, pos: usize) -> Option<&Value> {
match &self.positional {
None => None,
Some(array) => array.iter().nth(pos),
}
}
pub fn expect_nth(&self, pos: usize) -> Result<&Value, ShellError> {
match &self.positional {
None => Err(ShellError::unimplemented("Better error: expect_nth")),
Some(array) => match array.iter().nth(pos) {
None => Err(ShellError::unimplemented("Better error: expect_nth")),
Some(item) => Ok(item),
},
}
}
pub fn len(&self) -> usize {
match &self.positional {
None => 0,
Some(array) => array.len(),
}
}
pub fn has(&self, name: &str) -> bool {
match &self.named {
None => false,
Some(named) => named.contains_key(name),
}
}
pub fn get(&self, name: &str) -> Option<&Value> {
match &self.named {
None => None,
Some(named) => named.get(name),
}
}
pub fn positional_iter(&self) -> PositionalIter<'_> {
match &self.positional {
None => PositionalIter::Empty,
Some(v) => {
let iter = v.iter();
PositionalIter::Array(iter)
}
}
}
}
pub enum PositionalIter<'a> {
Empty,
Array(std::slice::Iter<'a, Value>),
}
impl<'a> Iterator for PositionalIter<'a> {
type Item = &'a Value;
fn next(&mut self) -> Option<Self::Item> {
match self {
PositionalIter::Empty => None,
PositionalIter::Array(iter) => iter.next(),
}
}
}
pub(crate) fn evaluate_args(
call: &hir::Call,
registry: &CommandRegistry,
scope: &Scope,
source: &Text,
) -> Result<EvaluatedArgs, ShellError> {
let positional: Result<Option<Vec<_>>, _> = call
.positional()
.as_ref()
.map(|p| {
p.iter()
.map(|e| evaluate_baseline_expr(e, registry, scope, source))
.collect()
})
.transpose();
let positional = positional?;
let named: Result<Option<IndexMap<String, Value>>, ShellError> = call
.named()
.as_ref()
.map(|n| {
let mut results = IndexMap::new();
for (name, value) in n.named.iter() {
match value {
hir::named::NamedValue::PresentSwitch(tag) => {
results.insert(name.clone(), UntaggedValue::boolean(true).into_value(tag));
}
hir::named::NamedValue::Value(expr) => {
results.insert(
name.clone(),
evaluate_baseline_expr(expr, registry, scope, source)?,
);
}
_ => {}
};
}
Ok(results)
})
.transpose();
let named = named?;
Ok(EvaluatedArgs::new(positional, named))
}

31
crates/nu-protocol/src/syntax_shape.rs Normal file
View File

@ -0,0 +1,31 @@
use nu_source::{b, DebugDocBuilder, PrettyDebug};
use serde::{Deserialize, Serialize};
#[derive(Debug, Copy, Clone, Serialize, Deserialize)]
pub enum SyntaxShape {
Any,
String,
Member,
ColumnPath,
Number,
Int,
Path,
Pattern,
Block,
}
impl PrettyDebug for SyntaxShape {
fn pretty(&self) -> DebugDocBuilder {
b::kind(match self {
SyntaxShape::Any => "any shape",
SyntaxShape::String => "string shape",
SyntaxShape::Member => "member shape",
SyntaxShape::ColumnPath => "column path shape",
SyntaxShape::Number => "number shape",
SyntaxShape::Int => "integer shape",
SyntaxShape::Path => "file path shape",
SyntaxShape::Pattern => "pattern shape",
SyntaxShape::Block => "block shape",
})
}
}

3
src/traits.rs → crates/nu-protocol/src/type_name.rs
View File

@ -1,5 +1,4 @@
use crate::prelude::*;
use nu_source::{DebugDocBuilder, Spanned, SpannedItem, Tagged};
use nu_source::{DebugDocBuilder, HasSpan, Spanned, SpannedItem, Tagged};
pub trait ShellTypeName {
fn type_name(&self) -> &'static str;

213
crates/nu-protocol/src/value.rs Normal file
View File

@ -0,0 +1,213 @@
pub mod column_path;
mod convert;
mod debug;
pub mod dict;
pub mod evaluate;
pub mod primitive;
mod serde_bigdecimal;
mod serde_bigint;
use crate::type_name::{ShellTypeName, SpannedTypeName};
use crate::value::dict::Dictionary;
use crate::value::evaluate::Evaluate;
use crate::value::primitive::Primitive;
use nu_errors::ShellError;
use nu_source::{AnchorLocation, HasSpan, Span, Tag};
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Serialize, Deserialize)]
pub enum UntaggedValue {
Primitive(Primitive),
Row(Dictionary),
Table(Vec<Value>),
// Errors are a type of value too
Error(ShellError),
Block(Evaluate),
}
impl UntaggedValue {
pub fn retag(self, tag: impl Into<Tag>) -> Value {
Value {
value: self,
tag: tag.into(),
}
}
pub fn data_descriptors(&self) -> Vec<String> {
match self {
UntaggedValue::Primitive(_) => vec![],
UntaggedValue::Row(columns) => columns
.entries
.keys()
.into_iter()
.map(|x| x.to_string())
.collect(),
UntaggedValue::Block(_) => vec![],
UntaggedValue::Table(_) => vec![],
UntaggedValue::Error(_) => vec![],
}
}
pub fn into_value(self, tag: impl Into<Tag>) -> Value {
Value {
value: self,
tag: tag.into(),
}
}
pub fn into_untagged_value(self) -> Value {
Value {
value: self,
tag: Tag::unknown(),
}
}
pub fn is_true(&self) -> bool {
match self {
UntaggedValue::Primitive(Primitive::Boolean(true)) => true,
_ => false,
}
}
pub fn is_some(&self) -> bool {
!self.is_none()
}
pub fn is_none(&self) -> bool {
match self {
UntaggedValue::Primitive(Primitive::Nothing) => true,
_ => false,
}
}
pub fn is_error(&self) -> bool {
match self {
UntaggedValue::Error(_err) => true,
_ => false,
}
}
pub fn expect_error(&self) -> ShellError {
match self {
UntaggedValue::Error(err) => err.clone(),
_ => panic!("Don't call expect_error without first calling is_error"),
}
}
pub fn expect_string(&self) -> &str {
match self {
UntaggedValue::Primitive(Primitive::String(string)) => &string[..],
_ => panic!("expect_string assumes that the value must be a string"),
}
}
}
#[derive(Debug, Clone, PartialOrd, PartialEq, Ord, Eq, Serialize, Deserialize)]
pub struct Value {
pub value: UntaggedValue,
pub tag: Tag,
}
impl std::ops::Deref for Value {
type Target = UntaggedValue;
fn deref(&self) -> &Self::Target {
&self.value
}
}
impl Value {
pub fn anchor(&self) -> Option<AnchorLocation> {
self.tag.anchor()
}
pub fn anchor_name(&self) -> Option<String> {
self.tag.anchor_name()
}
pub fn tag(&self) -> Tag {
self.tag.clone()
}
pub fn as_string(&self) -> Result<String, ShellError> {
match &self.value {
UntaggedValue::Primitive(Primitive::String(string)) => Ok(string.clone()),
UntaggedValue::Primitive(Primitive::Line(line)) => Ok(line.clone() + "\n"),
_ => Err(ShellError::type_error("string", self.spanned_type_name())),
}
}
pub fn as_forgiving_string(&self) -> Result<&str, ShellError> {
match &self.value {
UntaggedValue::Primitive(Primitive::String(string)) => Ok(&string[..]),
_ => Err(ShellError::type_error("string", self.spanned_type_name())),
}
}
pub fn as_path(&self) -> Result<PathBuf, ShellError> {
match &self.value {
UntaggedValue::Primitive(Primitive::Path(path)) => Ok(path.clone()),
UntaggedValue::Primitive(Primitive::String(path_str)) => {
Ok(PathBuf::from(&path_str).clone())
}
_ => Err(ShellError::type_error("Path", self.spanned_type_name())),
}
}
}
impl Into<UntaggedValue> for &str {
fn into(self) -> UntaggedValue {
UntaggedValue::Primitive(Primitive::String(self.to_string()))
}
}
impl Into<UntaggedValue> for Value {
fn into(self) -> UntaggedValue {
self.value
}
}
impl<'a> Into<&'a UntaggedValue> for &'a Value {
fn into(self) -> &'a UntaggedValue {
&self.value
}
}
impl HasSpan for Value {
fn span(&self) -> Span {
self.tag.span
}
}
impl ShellTypeName for Value {
fn type_name(&self) -> &'static str {
ShellTypeName::type_name(&self.value)
}
}
impl ShellTypeName for UntaggedValue {
fn type_name(&self) -> &'static str {
match &self {
UntaggedValue::Primitive(p) => p.type_name(),
UntaggedValue::Row(_) => "row",
UntaggedValue::Table(_) => "table",
UntaggedValue::Error(_) => "error",
UntaggedValue::Block(_) => "block",
}
}
}
impl From<Primitive> for UntaggedValue {
fn from(input: Primitive) -> UntaggedValue {
UntaggedValue::Primitive(input)
}
}
impl From<String> for UntaggedValue {
fn from(input: String) -> UntaggedValue {
UntaggedValue::Primitive(Primitive::String(input))
}
}

42
src/parser/hir/path.rs → crates/nu-protocol/src/value/column_path.rs
View File

@ -1,8 +1,7 @@
use crate::parser::hir::Expression;
use crate::prelude::*;
use derive_new::new;
use getset::{Getters, MutGetters};
use nu_source::{b, span_for_spanned_list, PrettyDebug};
use getset::Getters;
use nu_source::{b, span_for_spanned_list, DebugDocBuilder, HasFallibleSpan, PrettyDebug, Span};
use num_bigint::BigInt;
use serde::{Deserialize, Serialize};
#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize)]
@ -86,38 +85,3 @@ impl PathMember {
UnspannedPathMember::Int(int.into()).into_path_member(span)
}
}
#[derive(
Debug,
Clone,
Eq,
PartialEq,
Ord,
PartialOrd,
Hash,
Getters,
MutGetters,
Serialize,
Deserialize,
new,
)]
#[get = "pub(crate)"]
pub struct Path {
head: Expression,
#[get_mut = "pub(crate)"]
tail: Vec<PathMember>,
}
impl PrettyDebugWithSource for Path {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
self.head.pretty_debug(source)
+ b::operator(".")
+ b::intersperse(self.tail.iter().map(|m| m.pretty()), b::operator("."))
}
}
impl Path {
pub(crate) fn parts(self) -> (Expression, Vec<PathMember>) {
(self.head, self.tail)
}
}

55
crates/nu-protocol/src/value/convert.rs Normal file
View File

@ -0,0 +1,55 @@
use crate::type_name::SpannedTypeName;
use crate::value::dict::Dictionary;
use crate::value::primitive::Primitive;
use crate::value::{UntaggedValue, Value};
use nu_errors::{CoerceInto, ShellError};
use nu_source::TaggedItem;
impl std::convert::TryFrom<&Value> for i64 {
type Error = ShellError;
fn try_from(value: &Value) -> Result<i64, ShellError> {
match &value.value {
UntaggedValue::Primitive(Primitive::Int(int)) => {
int.tagged(&value.tag).coerce_into("converting to i64")
}
_ => Err(ShellError::type_error("Integer", value.spanned_type_name())),
}
}
}
impl std::convert::TryFrom<&Value> for String {
type Error = ShellError;
fn try_from(value: &Value) -> Result<String, ShellError> {
match &value.value {
UntaggedValue::Primitive(Primitive::String(s)) => Ok(s.clone()),
_ => Err(ShellError::type_error("String", value.spanned_type_name())),
}
}
}
impl std::convert::TryFrom<&Value> for Vec<u8> {
type Error = ShellError;
fn try_from(value: &Value) -> Result<Vec<u8>, ShellError> {
match &value.value {
UntaggedValue::Primitive(Primitive::Binary(b)) => Ok(b.clone()),
_ => Err(ShellError::type_error("Binary", value.spanned_type_name())),
}
}
}
impl<'a> std::convert::TryFrom<&'a Value> for &'a Dictionary {
type Error = ShellError;
fn try_from(value: &'a Value) -> Result<&'a Dictionary, ShellError> {
match &value.value {
UntaggedValue::Row(d) => Ok(d),
_ => Err(ShellError::type_error(
"Dictionary",
value.spanned_type_name(),
)),
}
}
}

35
src/data/base/debug.rs → crates/nu-protocol/src/value/debug.rs
View File

@ -1,7 +1,28 @@
use crate::data::base::Primitive;
use crate::traits::PrettyType;
use crate::type_name::PrettyType;
use crate::value::primitive::Primitive;
use crate::value::{UntaggedValue, Value};
use nu_source::{b, DebugDocBuilder, PrettyDebug};
impl PrettyDebug for &Value {
fn pretty(&self) -> DebugDocBuilder {
PrettyDebug::pretty(*self)
}
}
impl PrettyDebug for Value {
fn pretty(&self) -> DebugDocBuilder {
match &self.value {
UntaggedValue::Primitive(p) => p.pretty(),
UntaggedValue::Row(row) => row.pretty_builder().nest(1).group().into(),
UntaggedValue::Table(table) => {
b::delimit("[", b::intersperse(table, b::space()), "]").nest()
}
UntaggedValue::Error(_) => b::error("error"),
UntaggedValue::Block(_) => b::opaque("block"),
}
}
}
impl PrettyType for Primitive {
fn pretty_type(&self) -> DebugDocBuilder {
match self {
@ -10,6 +31,7 @@ impl PrettyType for Primitive {
Primitive::Decimal(_) => ty("decimal"),
Primitive::Bytes(_) => ty("bytesize"),
Primitive::String(_) => ty("string"),
Primitive::Line(_) => ty("line"),
Primitive::ColumnPath(_) => ty("column-path"),
Primitive::Pattern(_) => ty("pattern"),
Primitive::Boolean(_) => ty("boolean"),
@ -31,6 +53,7 @@ impl PrettyDebug for Primitive {
Primitive::Decimal(decimal) => prim(format_args!("{}", decimal)),
Primitive::Bytes(bytes) => primitive_doc(bytes, "bytesize"),
Primitive::String(string) => prim(string),
Primitive::Line(string) => prim(string),
Primitive::ColumnPath(path) => path.pretty(),
Primitive::Pattern(pattern) => primitive_doc(pattern, "pattern"),
Primitive::Boolean(boolean) => match boolean {
@ -51,10 +74,10 @@ fn prim(name: impl std::fmt::Debug) -> DebugDocBuilder {
b::primitive(format!("{:?}", name))
}
fn ty(name: impl std::fmt::Debug) -> DebugDocBuilder {
b::kind(format!("{:?}", name))
}
fn primitive_doc(name: impl std::fmt::Debug, ty: impl Into<String>) -> DebugDocBuilder {
b::primitive(format!("{:?}", name)) + b::delimit("(", b::kind(ty.into()), ")")
}
fn ty(name: impl std::fmt::Debug) -> DebugDocBuilder {
b::kind(format!("{:?}", name))
}

140
crates/nu-protocol/src/value/dict.rs Normal file
View File

@ -0,0 +1,140 @@
use crate::maybe_owned::MaybeOwned;
use crate::value::primitive::Primitive;
use crate::value::{UntaggedValue, Value};
use derive_new::new;
use getset::Getters;
use indexmap::IndexMap;
use nu_source::{b, DebugDocBuilder, PrettyDebug, Spanned, Tag};
use serde::{Deserialize, Serialize};
use std::cmp::{Ord, Ordering, PartialOrd};
#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Eq, Clone, Getters, new)]
pub struct Dictionary {
#[get = "pub"]
pub entries: IndexMap<String, Value>,
}
impl PartialOrd for Dictionary {
fn partial_cmp(&self, other: &Dictionary) -> Option<Ordering> {
let this: Vec<&String> = self.entries.keys().collect();
let that: Vec<&String> = other.entries.keys().collect();
if this != that {
return this.partial_cmp(&that);
}
let this: Vec<&Value> = self.entries.values().collect();
let that: Vec<&Value> = self.entries.values().collect();
this.partial_cmp(&that)
}
}
impl Ord for Dictionary {
fn cmp(&self, other: &Dictionary) -> Ordering {
let this: Vec<&String> = self.entries.keys().collect();
let that: Vec<&String> = other.entries.keys().collect();
if this != that {
return this.cmp(&that);
}
let this: Vec<&Value> = self.entries.values().collect();
let that: Vec<&Value> = self.entries.values().collect();
this.cmp(&that)
}
}
impl PartialEq<Value> for Dictionary {
fn eq(&self, other: &Value) -> bool {
match &other.value {
UntaggedValue::Row(d) => self == d,
_ => false,
}
}
}
#[derive(Debug, new)]
struct DebugEntry<'a> {
key: &'a str,
value: &'a Value,
}
impl<'a> PrettyDebug for DebugEntry<'a> {
fn pretty(&self) -> DebugDocBuilder {
(b::key(self.key.to_string()) + b::equals() + self.value.pretty().as_value()).group()
}
}
impl PrettyDebug for Dictionary {
fn pretty(&self) -> DebugDocBuilder {
b::delimit(
"(",
b::intersperse(
self.entries()
.iter()
.map(|(key, value)| DebugEntry::new(key, value)),
b::space(),
),
")",
)
}
}
impl From<IndexMap<String, Value>> for Dictionary {
fn from(input: IndexMap<String, Value>) -> Dictionary {
let mut out = IndexMap::default();
for (key, value) in input {
out.insert(key, value);
}
Dictionary::new(out)
}
}
impl Dictionary {
pub fn get_data(&self, desc: &String) -> MaybeOwned<'_, Value> {
match self.entries.get(desc) {
Some(v) => MaybeOwned::Borrowed(v),
None => MaybeOwned::Owned(
UntaggedValue::Primitive(Primitive::Nothing).into_untagged_value(),
),
}
}
pub fn keys(&self) -> impl Iterator<Item = &String> {
self.entries.keys()
}
pub fn get_data_by_key(&self, name: Spanned<&str>) -> Option<Value> {
let result = self
.entries
.iter()
.find(|(desc_name, _)| *desc_name == name.item)?
.1;
Some(
result
.value
.clone()
.into_value(Tag::new(result.tag.anchor(), name.span)),
)
}
pub fn get_mut_data_by_key(&mut self, name: &str) -> Option<&mut Value> {
match self
.entries
.iter_mut()
.find(|(desc_name, _)| *desc_name == name)
{
Some((_, v)) => Some(v),
None => None,
}
}
pub fn insert_data_at_key(&mut self, name: &str, value: Value) {
self.entries.insert(name.to_string(), value);
}
}

102
crates/nu-protocol/src/value/evaluate.rs Normal file
View File

@ -0,0 +1,102 @@
use crate::value::{Primitive, UntaggedValue, Value};
use indexmap::IndexMap;
use nu_errors::ShellError;
use query_interface::{interfaces, vtable_for, Object, ObjectHash};
use serde::{Deserialize, Serialize};
use std::cmp::{Ord, Ordering, PartialOrd};
use std::fmt::Debug;
#[derive(Debug)]
pub struct Scope {
pub it: Value,
pub vars: IndexMap<String, Value>,
}
impl Scope {
pub fn new(it: Value) -> Scope {
Scope {
it,
vars: IndexMap::new(),
}
}
}
impl Scope {
pub fn empty() -> Scope {
Scope {
it: UntaggedValue::Primitive(Primitive::Nothing).into_untagged_value(),
vars: IndexMap::new(),
}
}
pub fn it_value(value: Value) -> Scope {
Scope {
it: value,
vars: IndexMap::new(),
}
}
}
#[typetag::serde(tag = "type")]
pub trait EvaluateTrait: Debug + Send + Sync + Object + ObjectHash + 'static {
fn invoke(&self, scope: &Scope) -> Result<Value, ShellError>;
fn clone_box(&self) -> Evaluate;
}
interfaces!(Evaluate: dyn ObjectHash);
#[typetag::serde]
impl EvaluateTrait for Evaluate {
fn invoke(&self, scope: &Scope) -> Result<Value, ShellError> {
self.expr.invoke(scope)
}
fn clone_box(&self) -> Evaluate {
self.expr.clone_box()
}
}
#[derive(Debug, Serialize, Deserialize)]
pub struct Evaluate {
expr: Box<dyn EvaluateTrait>,
}
impl Evaluate {
pub fn new(evaluate: impl EvaluateTrait) -> Evaluate {
Evaluate {
expr: Box::new(evaluate),
}
}
}
impl std::hash::Hash for Evaluate {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.expr.obj_hash(state)
}
}
impl Clone for Evaluate {
fn clone(&self) -> Evaluate {
self.expr.clone_box()
}
}
impl Ord for Evaluate {
fn cmp(&self, _: &Self) -> Ordering {
Ordering::Equal
}
}
impl PartialOrd for Evaluate {
fn partial_cmp(&self, _: &Evaluate) -> Option<Ordering> {
Some(Ordering::Equal)
}
}
impl PartialEq for Evaluate {
fn eq(&self, _: &Evaluate) -> bool {
true
}
}
impl Eq for Evaluate {}

67
crates/nu-protocol/src/value/primitive.rs Normal file
View File

@ -0,0 +1,67 @@
use crate::type_name::ShellTypeName;
use crate::value::column_path::ColumnPath;
use crate::value::{serde_bigdecimal, serde_bigint};
use bigdecimal::BigDecimal;
use chrono::{DateTime, Utc};
use num_bigint::BigInt;
use num_traits::cast::FromPrimitive;
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
#[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq, Deserialize, Serialize)]
pub enum Primitive {
Nothing,
#[serde(with = "serde_bigint")]
Int(BigInt),
#[serde(with = "serde_bigdecimal")]
Decimal(BigDecimal),
Bytes(u64),
String(String),
Line(String),
ColumnPath(ColumnPath),
Pattern(String),
Boolean(bool),
Date(DateTime<Utc>),
Duration(u64), // Duration in seconds
Path(PathBuf),
#[serde(with = "serde_bytes")]
Binary(Vec<u8>),
// Stream markers (used as bookend markers rather than actual values)
BeginningOfStream,
EndOfStream,
}
impl From<BigDecimal> for Primitive {
fn from(decimal: BigDecimal) -> Primitive {
Primitive::Decimal(decimal)
}
}
impl From<f64> for Primitive {
fn from(float: f64) -> Primitive {
Primitive::Decimal(BigDecimal::from_f64(float).unwrap())
}
}
impl ShellTypeName for Primitive {
fn type_name(&self) -> &'static str {
match self {
Primitive::Nothing => "nothing",
Primitive::Int(_) => "integer",
Primitive::Decimal(_) => "decimal",
Primitive::Bytes(_) => "bytes",
Primitive::String(_) => "string",
Primitive::Line(_) => "line",
Primitive::ColumnPath(_) => "column path",
Primitive::Pattern(_) => "pattern",
Primitive::Boolean(_) => "boolean",
Primitive::Date(_) => "date",
Primitive::Duration(_) => "duration",
Primitive::Path(_) => "file path",
Primitive::Binary(_) => "binary",
Primitive::BeginningOfStream => "marker<beginning of stream>",
Primitive::EndOfStream => "marker<end of stream>",
}
}
}

24
crates/nu-protocol/src/value/serde_bigdecimal.rs Normal file
View File

@ -0,0 +1,24 @@
use bigdecimal::BigDecimal;
use num_traits::cast::FromPrimitive;
use num_traits::cast::ToPrimitive;
pub fn serialize<S>(big_decimal: &BigDecimal, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
serde::Serialize::serialize(
&big_decimal
.to_f64()
.ok_or(serde::ser::Error::custom("expected a f64-sized bignum"))?,
serializer,
)
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<BigDecimal, D::Error>
where
D: serde::Deserializer<'de>,
{
let x: f64 = serde::Deserialize::deserialize(deserializer)?;
Ok(BigDecimal::from_f64(x)
.ok_or(serde::de::Error::custom("expected a f64-sized bigdecimal"))?)
}

23
crates/nu-protocol/src/value/serde_bigint.rs Normal file
View File

@ -0,0 +1,23 @@
use num_bigint::BigInt;
use num_traits::cast::FromPrimitive;
use num_traits::cast::ToPrimitive;
pub fn serialize<S>(big_int: &BigInt, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
serde::Serialize::serialize(
&big_int
.to_i64()
.ok_or(serde::ser::Error::custom("expected a i64-sized bignum"))?,
serializer,
)
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<BigInt, D::Error>
where
D: serde::Deserializer<'de>,
{
let x: i64 = serde::Deserialize::deserialize(deserializer)?;
Ok(BigInt::from_i64(x).ok_or(serde::de::Error::custom("expected a i64-sized bignum"))?)
}

3
crates/nu-source/Cargo.toml
View File

@ -18,3 +18,6 @@ nom-tracable = "0.4.1"
language-reporting = "0.4.0"
termcolor = "1.0.5"
pretty = "0.5.2"
[build-dependencies]
nu-build = { version = "0.1.0", path = "../nu-build" }

3
crates/nu-source/build.rs Normal file
View File

@ -0,0 +1,3 @@
fn main() -> Result<(), Box<dyn std::error::Error>> {
nu_build::build()
}

1
crates/nu-source/src/lib.rs
View File

@ -11,5 +11,6 @@ pub use self::meta::{
pub use self::pretty::{
b, DebugDoc, DebugDocBuilder, PrettyDebug, PrettyDebugWithSource, ShellAnnotation,
};
pub use self::term_colored::TermColored;
pub use self::text::Text;
pub use self::tracable::{nom_input, NomSpan, TracableContext};

25
crates/nu-textview/Cargo.toml Normal file
View File

@ -0,0 +1,25 @@
[package]
name = "nu-textview"
version = "0.1.0"
authors = ["Yehuda Katz <wycats@gmail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[[bin]]
name = "nu_plugin_textview"
path = "src/main.rs"
required-features = ["textview"]
[dependencies]
syntect = { version = "3.2.0" }
ansi_term = "0.12.1"
crossterm = { version = "0.10.2" }
nu = { path = "../.." }
nu-protocol = { path = "../nu-protocol" }
nu-source = { path = "../nu-source" }
url = "2.1.0"
[build-dependencies]
nu-build = { version = "0.1.0", path = "../nu-build" }

3
crates/nu-textview/build.rs Normal file
View File

@ -0,0 +1,3 @@
fn main() -> Result<(), Box<dyn std::error::Error>> {
nu_build::build()
}

9
src/plugins/textview.rs → crates/nu-textview/src/main.rs
View File

@ -1,8 +1,7 @@
use crossterm::{cursor, terminal, RawScreen};
use crossterm::{InputEvent, KeyEvent};
use nu::{
outln, serve_plugin, CallInfo, Plugin, Primitive, ShellError, Signature, UntaggedValue, Value,
};
use nu::{CallInfo, Plugin, Primitive, ShellError, Signature, UntaggedValue, Value};
use nu_protocol::{outln, serve_plugin};
use nu_source::AnchorLocation;
use syntect::easy::HighlightLines;
@ -252,12 +251,12 @@ fn view_text_value(value: &Value) {
Some(extension) => {
// Load these once at the start of your program
let ps: SyntaxSet = syntect::dumps::from_binary(include_bytes!(
"../../assets/syntaxes.bin"
"../../../assets/syntaxes.bin"
));
if let Some(syntax) = ps.find_syntax_by_extension(&extension) {
let ts: ThemeSet = syntect::dumps::from_binary(include_bytes!(
"../../assets/themes.bin"
"../../../assets/themes.bin"
));
let mut h = HighlightLines::new(syntax, &ts.themes["OneHalfDark"]);

15
docs/commands/config.md
View File

@ -6,7 +6,6 @@ Syntax: `config {flags}`
### Flags
--load <file path shape>
load the config from the path give
@ -30,13 +29,13 @@ Syntax: `config {flags}`
### Variables
| Variable | Type | Description |
| ------------- | ------------- | ----- |
| path | table of strings | PATH to use to find binaries |
| env | row | the environment variables to pass to external commands |
| ctrlc_exit | boolean | whether or not to exit Nu after multiple ctrl-c presses |
| table_mode | "light" or other | enable lightweight or normal tables |
| edit_mode | "vi" or "emacs" | changes line editing to "vi" or "emacs" mode |
| Variable | Type | Description |
| ---------- | ---------------- | ------------------------------------------------------- |
| path | table of strings | PATH to use to find binaries |
| env | row | the environment variables to pass to external commands |
| ctrlc_exit | boolean | whether or not to exit Nu after multiple ctrl-c presses |
| table_mode | "light" or other | enable lightweight or normal tables |
| edit_mode | "vi" or "emacs" | changes line editing to "vi" or "emacs" mode |
## Examples

4
docs/commands/from-yaml.md
View File

@ -16,9 +16,9 @@ flags: false
```shell
> open command_from-yaml | from-yaml
━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━
title │ type │ flags
title │ type │ flags
───────────┼─────────┼───────
from-yaml │ command │ No
from-yaml │ command │ No
━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━
```

74
src/cli.rs
View File

@ -1,27 +1,19 @@
use crate::commands::classified::{
ClassifiedCommand, ClassifiedInputStream, ClassifiedPipeline, ExternalArg, ExternalArgs,
ExternalCommand, InternalCommand,
};
use crate::commands::classified::pipeline::run_pipeline;
use crate::commands::classified::ClassifiedInputStream;
use crate::commands::plugin::JsonRpc;
use crate::commands::plugin::{PluginCommand, PluginSink};
use crate::commands::whole_stream_command;
use crate::context::Context;
use crate::data::{
base::{UntaggedValue, Value},
config,
};
pub(crate) use crate::errors::ShellError;
use crate::data::config;
#[cfg(not(feature = "starship-prompt"))]
use crate::git::current_branch;
use crate::parser::registry::Signature;
use crate::parser::{
hir,
hir::syntax_shape::{expand_syntax, ExpandContext, PipelineShape},
hir::{expand_external_tokens::ExternalTokensShape, tokens_iterator::TokensIterator},
TokenNode,
};
use crate::prelude::*;
use nu_source::{Spanned, Tagged};
use nu_errors::ShellError;
use nu_parser::{
expand_syntax, hir, ClassifiedCommand, ClassifiedPipeline, InternalCommand, PipelineShape,
TokenNode, TokensIterator,
};
use nu_protocol::{Signature, UntaggedValue, Value};
use log::{debug, log_enabled, trace};
use rustyline::error::ReadlineError;
@ -32,21 +24,6 @@ use std::iter::Iterator;
use std::path::PathBuf;
use std::sync::atomic::Ordering;
#[derive(Debug)]
pub enum MaybeOwned<'a, T> {
Owned(T),
Borrowed(&'a T),
}
impl<T> MaybeOwned<'_, T> {
pub fn borrow(&self) -> &T {
match self {
MaybeOwned::Owned(v) => v,
MaybeOwned::Borrowed(v) => v,
}
}
}
fn load_plugin(path: &std::path::Path, context: &mut Context) -> Result<(), ShellError> {
let mut child = std::process::Command::new(path)
.stdin(std::process::Stdio::piped())
@ -572,7 +549,7 @@ async fn process_line(readline: Result<String, ReadlineError>, ctx: &mut Context
Ok(line) => {
let line = chomp_newline(line);
let result = match crate::parser::parse(&line) {
let result = match nu_parser::parse(&line) {
Err(err) => {
return LineResult::Error(line.to_string(), err);
}
@ -610,7 +587,8 @@ async fn process_line(readline: Result<String, ReadlineError>, ctx: &mut Context
set_env_from_config();
let input = ClassifiedInputStream::new();
match pipeline.run(ctx, input, line).await {
match run_pipeline(pipeline, ctx, input, line).await {
Ok(_) => LineResult::Success(line.to_string()),
Err(err) => LineResult::Error(line.to_string(), err),
}
@ -648,39 +626,13 @@ fn classify_pipeline(
result
}
// Classify this command as an external command, which doesn't give special meaning
// to nu syntactic constructs, and passes all arguments to the external command as
// strings.
pub(crate) fn external_command(
tokens: &mut TokensIterator,
context: &ExpandContext,
name: Tagged<&str>,
) -> Result<ClassifiedCommand, ParseError> {
let Spanned { item, span } = expand_syntax(&ExternalTokensShape, tokens, context)?.tokens;
Ok(ClassifiedCommand::External(ExternalCommand {
name: name.to_string(),
name_tag: name.tag(),
args: ExternalArgs {
list: item
.iter()
.map(|x| ExternalArg {
tag: x.span.into(),
arg: x.item.clone(),
})
.collect(),
span,
},
}))
}
pub fn print_err(err: ShellError, host: &dyn Host, source: &Text) {
let diag = err.to_diagnostic();
let writer = host.err_termcolor();
let mut source = source.to_string();
source.push_str(" ");
let files = crate::parser::Files::new(source);
let files = nu_parser::Files::new(source);
let _ = std::panic::catch_unwind(move || {
let _ = language_reporting::emit(
&mut writer.lock(),

1
src/commands.rs
View File

@ -100,7 +100,6 @@ pub(crate) use command::{
};
pub(crate) use append::Append;
pub(crate) use classified::ClassifiedCommand;
pub(crate) use compact::Compact;
pub(crate) use config::Config;
pub(crate) use count::Count;

5
src/commands/append.rs
View File

@ -1,7 +1,8 @@
use crate::commands::WholeStreamCommand;
use crate::errors::ShellError;
use crate::parser::CommandRegistry;
use crate::context::CommandRegistry;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{Signature, SyntaxShape, Value};
#[derive(Deserialize)]
struct AppendArgs {

2
src/commands/args.rs
View File

@ -1,4 +1,4 @@
use crate::data::Value;
use nu_protocol::Value;
#[derive(Debug)]
pub enum LogLevel {}

47
src/commands/autoview.rs
View File

@ -1,8 +1,10 @@
use crate::commands::{RawCommandArgs, WholeStreamCommand};
use crate::errors::ShellError;
use crate::parser::hir::{Expression, NamedArguments};
use crate::data::value;
use crate::prelude::*;
use futures::stream::TryStreamExt;
use nu_errors::ShellError;
use nu_parser::hir::{Expression, NamedArguments};
use nu_protocol::{Primitive, ReturnSuccess, Signature, UntaggedValue, Value};
use std::sync::atomic::Ordering;
pub struct Autoview;
@ -137,7 +139,7 @@ pub fn autoview(
} if anchor.is_some() => {
if let Some(text) = text {
let mut stream = VecDeque::new();
stream.push_back(UntaggedValue::string(s).into_value(Tag { anchor, span }));
stream.push_back(value::string(s).into_value(Tag { anchor, span }));
let result = text.run(raw.with_input(stream.into()), &context.commands);
result.collect::<Vec<_>>().await;
} else {
@ -150,6 +152,43 @@ pub fn autoview(
} => {
outln!("{}", s);
}
Value {
value: UntaggedValue::Primitive(Primitive::Line(ref s)),
tag: Tag { anchor, span },
} if anchor.is_some() => {
if let Some(text) = text {
let mut stream = VecDeque::new();
stream.push_back(value::string(s).into_value(Tag { anchor, span }));
let result = text.run(raw.with_input(stream.into()), &context.commands);
result.collect::<Vec<_>>().await;
} else {
outln!("{}\n", s);
}
}
Value {
value: UntaggedValue::Primitive(Primitive::Line(s)),
..
} => {
outln!("{}\n", s);
}
Value {
value: UntaggedValue::Primitive(Primitive::Path(s)),
..
} => {
outln!("{}", s.display());
}
Value {
value: UntaggedValue::Primitive(Primitive::Int(n)),
..
} => {
outln!("{}", n);
}
Value {
value: UntaggedValue::Primitive(Primitive::Decimal(n)),
..
} => {
outln!("{}", n);
}
Value { value: UntaggedValue::Primitive(Primitive::Binary(ref b)), .. } => {
if let Some(binary) = binary {
@ -188,7 +227,7 @@ pub fn autoview(
// Needed for async_stream to type check
if false {
yield ReturnSuccess::value(UntaggedValue::nothing().into_untagged_value());
yield ReturnSuccess::value(value::nothing().into_untagged_value());
}
}))
}

3
src/commands/cd.rs
View File

@ -1,6 +1,7 @@
use crate::commands::WholeStreamCommand;
use crate::errors::ShellError;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{Signature, SyntaxShape};
pub struct CD;

2
src/commands/classified/dynamic.rs
View File

@ -1,5 +1,5 @@
use crate::parser::hir;
use derive_new::new;
use nu_parser::hir;
#[derive(new, Debug, Eq, PartialEq)]
pub(crate) struct Command {

329
src/commands/classified/external.rs
View File

@ -1,12 +1,16 @@
use super::ClassifiedInputStream;
use crate::prelude::*;
use bytes::{BufMut, BytesMut};
use futures::stream::StreamExt;
use futures_codec::{Decoder, Encoder, Framed};
use log::trace;
use nu_errors::ShellError;
use nu_parser::ExternalCommand;
use nu_protocol::Value;
use std::io::{Error, ErrorKind};
use subprocess::Exec;
use super::ClassifiedInputStream;
/// A simple `Codec` implementation that splits up data into lines.
pub struct LinesCodec {}
@ -21,7 +25,7 @@ impl Encoder for LinesCodec {
}
impl Decoder for LinesCodec {
type Item = String;
type Item = nu_protocol::UntaggedValue;
type Error = Error;
fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
@ -29,12 +33,14 @@ impl Decoder for LinesCodec {
Some(pos) if !src.is_empty() => {
let buf = src.split_to(pos + 1);
String::from_utf8(buf.to_vec())
.map(value::line)
.map(Some)
.map_err(|e| Error::new(ErrorKind::InvalidData, e))
}
_ if !src.is_empty() => {
let drained = src.take();
String::from_utf8(drained.to_vec())
.map(value::string)
.map(Some)
.map_err(|e| Error::new(ErrorKind::InvalidData, e))
}
@ -43,36 +49,6 @@ impl Decoder for LinesCodec {
}
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct Command {
pub(crate) name: String,
pub(crate) name_tag: Tag,
pub(crate) args: ExternalArgs,
}
impl HasSpan for Command {
fn span(&self) -> Span {
self.name_tag.span.until(self.args.span)
}
}
impl PrettyDebug for Command {
fn pretty(&self) -> DebugDocBuilder {
b::typed(
"external command",
b::description(&self.name)
+ b::preceded(
b::space(),
b::intersperse(
self.args.iter().map(|a| b::primitive(format!("{}", a.arg))),
b::space(),
),
),
)
}
}
#[derive(Debug)]
pub(crate) enum StreamNext {
Last,
@ -80,196 +56,155 @@ pub(crate) enum StreamNext {
Internal,
}
impl Command {
pub(crate) async fn run(
self,
context: &mut Context,
input: ClassifiedInputStream,
stream_next: StreamNext,
) -> Result<ClassifiedInputStream, ShellError> {
let stdin = input.stdin;
let inputs: Vec<Value> = input.objects.into_vec().await;
pub(crate) async fn run_external_command(
command: ExternalCommand,
context: &mut Context,
input: ClassifiedInputStream,
stream_next: StreamNext,
) -> Result<ClassifiedInputStream, ShellError> {
let stdin = input.stdin;
let inputs: Vec<Value> = input.objects.into_vec().await;
trace!(target: "nu::run::external", "-> {}", self.name);
trace!(target: "nu::run::external", "inputs = {:?}", inputs);
trace!(target: "nu::run::external", "-> {}", command.name);
trace!(target: "nu::run::external", "inputs = {:?}", inputs);
let mut arg_string = format!("{}", self.name);
for arg in &self.args.list {
arg_string.push_str(&arg);
}
let mut arg_string = format!("{}", command.name);
for arg in command.args.iter() {
arg_string.push_str(&arg);
}
let home_dir = dirs::home_dir();
let home_dir = dirs::home_dir();
trace!(target: "nu::run::external", "command = {:?}", self.name);
trace!(target: "nu::run::external", "command = {:?}", command.name);
let mut process;
if arg_string.contains("$it") {
let input_strings = inputs
.iter()
.map(|i| {
i.as_string().map_err(|_| {
let arg = self.args.iter().find(|arg| arg.arg.contains("$it"));
if let Some(arg) = arg {
ShellError::labeled_error(
"External $it needs string data",
"given row instead of string data",
&arg.tag,
)
} else {
ShellError::labeled_error(
"$it needs string data",
"given something else",
self.name_tag.clone(),
)
}
})
})
.collect::<Result<Vec<String>, ShellError>>()?;
let commands = input_strings.iter().map(|i| {
let args = self.args.iter().filter_map(|arg| {
if arg.chars().all(|c| c.is_whitespace()) {
None
let mut process;
if arg_string.contains("$it") {
let input_strings = inputs
.iter()
.map(|i| {
i.as_string().map(|s| s.to_string()).map_err(|_| {
let arg = command.args.iter().find(|arg| arg.contains("$it"));
if let Some(arg) = arg {
ShellError::labeled_error(
"External $it needs string data",
"given row instead of string data",
&arg.tag,
)
} else {
// Let's also replace ~ as we shell out
let arg = if let Some(ref home_dir) = home_dir {
arg.replace("~", home_dir.to_str().unwrap())
} else {
arg.replace("~", "~")
};
Some(arg.replace("$it", &i))
ShellError::labeled_error(
"$it needs string data",
"given something else",
command.name_tag.clone(),
)
}
});
})
})
.collect::<Result<Vec<String>, ShellError>>()?;
format!("{} {}", self.name, itertools::join(args, " "))
let commands = input_strings.iter().map(|i| {
let args = command.args.iter().filter_map(|arg| {
if arg.chars().all(|c| c.is_whitespace()) {
None
} else {
// Let's also replace ~ as we shell out
let arg = if let Some(ref home_dir) = home_dir {
arg.replace("~", home_dir.to_str().unwrap())
} else {
arg.replace("~", "~")
};
Some(arg.replace("$it", &i))
}
});
process = Exec::shell(itertools::join(commands, " && "))
} else {
process = Exec::cmd(&self.name);
for arg in &self.args.list {
// Let's also replace ~ as we shell out
let arg = if let Some(ref home_dir) = home_dir {
arg.replace("~", home_dir.to_str().unwrap())
} else {
arg.replace("~", "~")
};
format!("{} {}", command.name, itertools::join(args, " "))
});
let arg_chars: Vec<_> = arg.chars().collect();
if arg_chars.len() > 1
&& arg_chars[0] == '"'
&& arg_chars[arg_chars.len() - 1] == '"'
{
// quoted string
let new_arg: String = arg_chars[1..arg_chars.len() - 1].iter().collect();
process = process.arg(new_arg);
} else {
process = process.arg(arg.clone());
}
process = Exec::shell(itertools::join(commands, " && "))
} else {
process = Exec::cmd(&command.name);
for arg in command.args.iter() {
// Let's also replace ~ as we shell out
let arg = if let Some(ref home_dir) = home_dir {
arg.replace("~", home_dir.to_str().unwrap())
} else {
arg.replace("~", "~")
};
let arg_chars: Vec<_> = arg.chars().collect();
if arg_chars.len() > 1 && arg_chars[0] == '"' && arg_chars[arg_chars.len() - 1] == '"' {
// quoted string
let new_arg: String = arg_chars[1..arg_chars.len() - 1].iter().collect();
process = process.arg(new_arg);
} else {
process = process.arg(arg.clone());
}
}
}
process = process.cwd(context.shell_manager.path());
process = process.cwd(context.shell_manager.path());
trace!(target: "nu::run::external", "cwd = {:?}", context.shell_manager.path());
trace!(target: "nu::run::external", "cwd = {:?}", context.shell_manager.path());
let mut process = match stream_next {
StreamNext::Last => process,
StreamNext::External | StreamNext::Internal => {
process.stdout(subprocess::Redirection::Pipe)
}
};
trace!(target: "nu::run::external", "set up stdout pipe");
if let Some(stdin) = stdin {
process = process.stdin(stdin);
let mut process = match stream_next {
StreamNext::Last => process,
StreamNext::External | StreamNext::Internal => {
process.stdout(subprocess::Redirection::Pipe)
}
};
trace!(target: "nu::run::external", "set up stdin pipe");
trace!(target: "nu::run::external", "built process {:?}", process);
trace!(target: "nu::run::external", "set up stdout pipe");
let popen = process.popen();
if let Some(stdin) = stdin {
process = process.stdin(stdin);
}
trace!(target: "nu::run::external", "next = {:?}", stream_next);
trace!(target: "nu::run::external", "set up stdin pipe");
trace!(target: "nu::run::external", "built process {:?}", process);
let name_tag = self.name_tag.clone();
if let Ok(mut popen) = popen {
match stream_next {
StreamNext::Last => {
let _ = popen.detach();
loop {
match popen.poll() {
None => {
let _ = std::thread::sleep(std::time::Duration::new(0, 100000000));
}
_ => {
let _ = popen.terminate();
break;
}
let popen = process.popen();
trace!(target: "nu::run::external", "next = {:?}", stream_next);
let name_tag = command.name_tag.clone();
if let Ok(mut popen) = popen {
match stream_next {
StreamNext::Last => {
let _ = popen.detach();
loop {
match popen.poll() {
None => {
let _ = std::thread::sleep(std::time::Duration::new(0, 100000000));
}
_ => {
let _ = popen.terminate();
break;
}
}
Ok(ClassifiedInputStream::new())
}
StreamNext::External => {
let _ = popen.detach();
let stdout = popen.stdout.take().unwrap();
Ok(ClassifiedInputStream::from_stdout(stdout))
}
StreamNext::Internal => {
let _ = popen.detach();
let stdout = popen.stdout.take().unwrap();
let file = futures::io::AllowStdIo::new(stdout);
let stream = Framed::new(file, LinesCodec {});
let stream = stream.map(move |line| {
UntaggedValue::string(line.unwrap()).into_value(&name_tag)
});
Ok(ClassifiedInputStream::from_input_stream(
stream.boxed() as BoxStream<'static, Value>
))
}
Ok(ClassifiedInputStream::new())
}
StreamNext::External => {
let _ = popen.detach();
let stdout = popen.stdout.take().unwrap();
Ok(ClassifiedInputStream::from_stdout(stdout))
}
StreamNext::Internal => {
let _ = popen.detach();
let stdout = popen.stdout.take().unwrap();
let file = futures::io::AllowStdIo::new(stdout);
let stream = Framed::new(file, LinesCodec {});
let stream = stream.map(move |line| line.unwrap().into_value(&name_tag));
Ok(ClassifiedInputStream::from_input_stream(
stream.boxed() as BoxStream<'static, Value>
))
}
} else {
return Err(ShellError::labeled_error(
"Command not found",
"command not found",
name_tag,
));
}
}
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct ExternalArg {
pub arg: String,
pub tag: Tag,
}
impl std::ops::Deref for ExternalArg {
type Target = str;
fn deref(&self) -> &str {
&self.arg
}
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct ExternalArgs {
pub list: Vec<ExternalArg>,
pub span: Span,
}
impl ExternalArgs {
pub fn iter(&self) -> impl Iterator<Item = &ExternalArg> {
self.list.iter()
}
}
impl std::ops::Deref for ExternalArgs {
type Target = [ExternalArg];
fn deref(&self) -> &[ExternalArg] {
&self.list
} else {
return Err(ShellError::labeled_error(
"Command not found",
"command not found",
name_tag,
));
}
}

238
src/commands/classified/internal.rs
View File

@ -1,147 +1,129 @@
use crate::parser::hir;
use crate::prelude::*;
use derive_new::new;
use log::{log_enabled, trace};
use nu_errors::ShellError;
use nu_parser::InternalCommand;
use nu_protocol::{CommandAction, Primitive, ReturnSuccess, UntaggedValue, Value};
use super::ClassifiedInputStream;
#[derive(new, Debug, Clone, Eq, PartialEq)]
pub struct Command {
pub(crate) name: String,
pub(crate) name_tag: Tag,
pub(crate) args: hir::Call,
}
impl HasSpan for Command {
fn span(&self) -> Span {
let start = self.name_tag.span;
start.until(self.args.span)
pub(crate) async fn run_internal_command(
command: InternalCommand,
context: &mut Context,
input: ClassifiedInputStream,
source: Text,
) -> Result<InputStream, ShellError> {
if log_enabled!(log::Level::Trace) {
trace!(target: "nu::run::internal", "->");
trace!(target: "nu::run::internal", "{}", command.name);
trace!(target: "nu::run::internal", "{}", command.args.debug(&source));
}
}
impl PrettyDebugWithSource for Command {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
b::typed(
"internal command",
b::description(&self.name) + b::space() + self.args.pretty_debug(source),
let objects: InputStream =
trace_stream!(target: "nu::trace_stream::internal", "input" = input.objects);
let internal_command = context.expect_command(&command.name);
let result = {
context.run_command(
internal_command,
command.name_tag.clone(),
command.args,
&source,
objects,
)
}
}
};
impl Command {
pub(crate) fn run(
self,
context: &mut Context,
input: ClassifiedInputStream,
source: Text,
) -> Result<InputStream, ShellError> {
if log_enabled!(log::Level::Trace) {
trace!(target: "nu::run::internal", "->");
trace!(target: "nu::run::internal", "{}", self.name);
trace!(target: "nu::run::internal", "{}", self.args.debug(&source));
}
let result = trace_out_stream!(target: "nu::trace_stream::internal", "output" = result);
let mut result = result.values;
let mut context = context.clone();
let objects: InputStream =
trace_stream!(target: "nu::trace_stream::internal", "input" = input.objects);
let stream = async_stream! {
let mut soft_errs: Vec<ShellError> = vec![];
let mut yielded = false;
let command = context.expect_command(&self.name);
let result =
{ context.run_command(command, self.name_tag.clone(), self.args, &source, objects) };
let result = trace_out_stream!(target: "nu::trace_stream::internal", "output" = result);
let mut result = result.values;
let mut context = context.clone();
let stream = async_stream! {
let mut soft_errs: Vec<ShellError> = vec![];
let mut yielded = false;
while let Some(item) = result.next().await {
match item {
Ok(ReturnSuccess::Action(action)) => match action {
CommandAction::ChangePath(path) => {
context.shell_manager.set_path(path);
}
CommandAction::Exit => std::process::exit(0), // TODO: save history.txt
CommandAction::Error(err) => {
context.error(err);
break;
}
CommandAction::EnterHelpShell(value) => {
match value {
Value {
value: UntaggedValue::Primitive(Primitive::String(cmd)),
tag,
} => {
context.shell_manager.insert_at_current(Box::new(
HelpShell::for_command(
UntaggedValue::string(cmd).into_value(tag),
&context.registry(),
).unwrap(),
));
}
_ => {
context.shell_manager.insert_at_current(Box::new(
HelpShell::index(&context.registry()).unwrap(),
));
}
}
}
CommandAction::EnterValueShell(value) => {
context
.shell_manager
.insert_at_current(Box::new(ValueShell::new(value)));
}
CommandAction::EnterShell(location) => {
context.shell_manager.insert_at_current(Box::new(
FilesystemShell::with_location(location, context.registry().clone()).unwrap(),
));
}
CommandAction::PreviousShell => {
context.shell_manager.prev();
}
CommandAction::NextShell => {
context.shell_manager.next();
}
CommandAction::LeaveShell => {
context.shell_manager.remove_at_current();
if context.shell_manager.is_empty() {
std::process::exit(0); // TODO: save history.txt
}
}
},
Ok(ReturnSuccess::Value(v)) => {
yielded = true;
yield Ok(v);
while let Some(item) = result.next().await {
match item {
Ok(ReturnSuccess::Action(action)) => match action {
CommandAction::ChangePath(path) => {
context.shell_manager.set_path(path);
}
Ok(ReturnSuccess::DebugValue(v)) => {
yielded = true;
let doc = PrettyDebug::pretty_doc(&v);
let mut buffer = termcolor::Buffer::ansi();
doc.render_raw(
context.with_host(|host| host.width() - 5),
&mut crate::parser::debug::TermColored::new(&mut buffer),
).unwrap();
let value = String::from_utf8_lossy(buffer.as_slice());
yield Ok(UntaggedValue::string(value).into_untagged_value())
}
Err(err) => {
CommandAction::Exit => std::process::exit(0), // TODO: save history.txt
CommandAction::Error(err) => {
context.error(err);
break;
}
CommandAction::EnterHelpShell(value) => {
match value {
Value {
value: UntaggedValue::Primitive(Primitive::String(cmd)),
tag,
} => {
context.shell_manager.insert_at_current(Box::new(
HelpShell::for_command(
value::string(cmd).into_value(tag),
&context.registry(),
).unwrap(),
));
}
_ => {
context.shell_manager.insert_at_current(Box::new(
HelpShell::index(&context.registry()).unwrap(),
));
}
}
}
CommandAction::EnterValueShell(value) => {
context
.shell_manager
.insert_at_current(Box::new(ValueShell::new(value)));
}
CommandAction::EnterShell(location) => {
context.shell_manager.insert_at_current(Box::new(
FilesystemShell::with_location(location, context.registry().clone()).unwrap(),
));
}
CommandAction::PreviousShell => {
context.shell_manager.prev();
}
CommandAction::NextShell => {
context.shell_manager.next();
}
CommandAction::LeaveShell => {
context.shell_manager.remove_at_current();
if context.shell_manager.is_empty() {
std::process::exit(0); // TODO: save history.txt
}
}
},
Ok(ReturnSuccess::Value(v)) => {
yielded = true;
yield Ok(v);
}
Ok(ReturnSuccess::DebugValue(v)) => {
yielded = true;
let doc = PrettyDebug::pretty_doc(&v);
let mut buffer = termcolor::Buffer::ansi();
doc.render_raw(
context.with_host(|host| host.width() - 5),
&mut nu_source::TermColored::new(&mut buffer),
).unwrap();
let value = String::from_utf8_lossy(buffer.as_slice());
yield Ok(value::string(value).into_untagged_value())
}
Err(err) => {
context.error(err);
break;
}
}
};
}
};
Ok(stream.to_input_stream())
}
Ok(stream.to_input_stream())
}

46
src/commands/classified/mod.rs
View File

@ -1,17 +1,13 @@
use crate::parser::{hir, TokenNode};
use crate::data::value;
use crate::prelude::*;
mod dynamic;
mod external;
mod internal;
mod pipeline;
pub(crate) mod external;
pub(crate) mod internal;
pub(crate) mod pipeline;
#[allow(unused_imports)]
pub(crate) use dynamic::Command as DynamicCommand;
#[allow(unused_imports)]
pub(crate) use external::{Command as ExternalCommand, ExternalArg, ExternalArgs, StreamNext};
pub(crate) use internal::Command as InternalCommand;
pub(crate) use pipeline::Pipeline as ClassifiedPipeline;
pub(crate) struct ClassifiedInputStream {
pub(crate) objects: InputStream,
@ -21,7 +17,7 @@ pub(crate) struct ClassifiedInputStream {
impl ClassifiedInputStream {
pub(crate) fn new() -> ClassifiedInputStream {
ClassifiedInputStream {
objects: vec![UntaggedValue::nothing().into_untagged_value()].into(),
objects: vec![value::nothing().into_value(Tag::unknown())].into(),
stdin: None,
}
}
@ -40,35 +36,3 @@ impl ClassifiedInputStream {
}
}
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub enum ClassifiedCommand {
#[allow(unused)]
Expr(TokenNode),
#[allow(unused)]
Dynamic(hir::Call),
Internal(InternalCommand),
External(ExternalCommand),
}
impl PrettyDebugWithSource for ClassifiedCommand {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
match self {
ClassifiedCommand::Expr(token) => b::typed("command", token.pretty_debug(source)),
ClassifiedCommand::Dynamic(call) => b::typed("command", call.pretty_debug(source)),
ClassifiedCommand::Internal(internal) => internal.pretty_debug(source),
ClassifiedCommand::External(external) => external.pretty_debug(source),
}
}
}
impl HasSpan for ClassifiedCommand {
fn span(&self) -> Span {
match self {
ClassifiedCommand::Expr(node) => node.span(),
ClassifiedCommand::Internal(command) => command.span(),
ClassifiedCommand::Dynamic(call) => call.span,
ClassifiedCommand::External(command) => command.span(),
}
}
}

157
src/commands/classified/pipeline.rs
View File

@ -1,107 +1,74 @@
use super::{ClassifiedCommand, ClassifiedInputStream, StreamNext};
use crate::data::base::Value;
use crate::prelude::*;
use crate::commands::classified::external::{run_external_command, StreamNext};
use crate::commands::classified::internal::run_internal_command;
use crate::commands::classified::ClassifiedInputStream;
use crate::context::Context;
use crate::stream::OutputStream;
use nu_errors::ShellError;
use nu_parser::{ClassifiedCommand, ClassifiedPipeline};
use nu_protocol::{ReturnSuccess, UntaggedValue, Value};
use nu_source::Text;
use std::sync::atomic::Ordering;
#[derive(Debug, Clone)]
pub(crate) struct Pipeline {
pub(crate) commands: ClassifiedCommands,
}
pub(crate) async fn run_pipeline(
pipeline: ClassifiedPipeline,
ctx: &mut Context,
mut input: ClassifiedInputStream,
line: &str,
) -> Result<(), ShellError> {
let mut iter = pipeline.commands.list.into_iter().peekable();
impl Pipeline {
pub fn commands(list: Vec<ClassifiedCommand>, span: impl Into<Span>) -> Pipeline {
Pipeline {
commands: ClassifiedCommands {
list,
span: span.into(),
},
}
loop {
let item: Option<ClassifiedCommand> = iter.next();
let next: Option<&ClassifiedCommand> = iter.peek();
input = match (item, next) {
(Some(ClassifiedCommand::Dynamic(_)), _) | (_, Some(ClassifiedCommand::Dynamic(_))) => {
return Err(ShellError::unimplemented("Dynamic commands"))
}
(Some(ClassifiedCommand::Expr(_)), _) | (_, Some(ClassifiedCommand::Expr(_))) => {
return Err(ShellError::unimplemented("Expression-only commands"))
}
(Some(ClassifiedCommand::Internal(left)), _) => {
let stream = run_internal_command(left, ctx, input, Text::from(line)).await?;
ClassifiedInputStream::from_input_stream(stream)
}
(Some(ClassifiedCommand::External(left)), Some(ClassifiedCommand::External(_))) => {
run_external_command(left, ctx, input, StreamNext::External).await?
}
(Some(ClassifiedCommand::External(left)), Some(_)) => {
run_external_command(left, ctx, input, StreamNext::Internal).await?
}
(Some(ClassifiedCommand::External(left)), None) => {
run_external_command(left, ctx, input, StreamNext::Last).await?
}
(None, _) => break,
};
}
pub(crate) async fn run(
self,
ctx: &mut Context,
mut input: ClassifiedInputStream,
line: &str,
) -> Result<(), ShellError> {
let mut iter = self.commands.list.into_iter().peekable();
loop {
let item: Option<ClassifiedCommand> = iter.next();
let next: Option<&ClassifiedCommand> = iter.peek();
input = match (item, next) {
(Some(ClassifiedCommand::Dynamic(_)), _)
| (_, Some(ClassifiedCommand::Dynamic(_))) => {
return Err(ShellError::unimplemented("Dynamic commands"))
}
(Some(ClassifiedCommand::Expr(_)), _) | (_, Some(ClassifiedCommand::Expr(_))) => {
return Err(ShellError::unimplemented("Expression-only commands"))
}
(Some(ClassifiedCommand::Internal(left)), _) => {
let stream = left.run(ctx, input, Text::from(line))?;
ClassifiedInputStream::from_input_stream(stream)
}
(Some(ClassifiedCommand::External(left)), Some(ClassifiedCommand::External(_))) => {
left.run(ctx, input, StreamNext::External).await?
}
(Some(ClassifiedCommand::External(left)), Some(_)) => {
left.run(ctx, input, StreamNext::Internal).await?
}
(Some(ClassifiedCommand::External(left)), None) => {
left.run(ctx, input, StreamNext::Last).await?
}
(None, _) => break,
};
}
use futures::stream::TryStreamExt;
let mut output_stream: OutputStream = input.objects.into();
loop {
match output_stream.try_next().await {
Ok(Some(ReturnSuccess::Value(Value {
value: UntaggedValue::Error(e),
..
}))) => return Err(e),
Ok(Some(_item)) => {
if ctx.ctrl_c.load(Ordering::SeqCst) {
break;
}
}
_ => {
use futures::stream::TryStreamExt;
let mut output_stream: OutputStream = input.objects.into();
loop {
match output_stream.try_next().await {
Ok(Some(ReturnSuccess::Value(Value {
value: UntaggedValue::Error(e),
..
}))) => return Err(e),
Ok(Some(_item)) => {
if ctx.ctrl_c.load(Ordering::SeqCst) {
break;
}
}
_ => {
break;
}
}
Ok(())
}
}
#[derive(Debug, Clone)]
pub struct ClassifiedCommands {
pub list: Vec<ClassifiedCommand>,
pub span: Span,
}
impl HasSpan for Pipeline {
fn span(&self) -> Span {
self.commands.span
}
}
impl PrettyDebugWithSource for Pipeline {
fn pretty_debug(&self, source: &str) -> DebugDocBuilder {
b::intersperse(
self.commands.list.iter().map(|c| c.pretty_debug(source)),
b::operator(" | "),
)
.or(b::delimit("<", b::description("empty pipeline"), ">"))
}
Ok(())
}

5
src/commands/clip.rs
View File

@ -2,9 +2,10 @@
pub mod clipboard {
use crate::commands::WholeStreamCommand;
use crate::context::CommandRegistry;
use crate::errors::ShellError;
use crate::prelude::*;
use futures::stream::StreamExt;
use nu_errors::ShellError;
use nu_protocol::{ReturnValue, Signature, Value};
use clipboard::{ClipboardContext, ClipboardProvider};
@ -67,7 +68,7 @@ pub mod clipboard {
}
let string: String = match i.as_string() {
Ok(string) => string,
Ok(string) => string.to_string(),
Err(_) => {
return OutputStream::one(Err(ShellError::labeled_error(
"Given non-string data",

145
src/commands/command.rs
View File

@ -1,14 +1,14 @@
use crate::data::Value;
use crate::errors::ShellError;
use crate::evaluate::Scope;
use crate::parser::hir;
use crate::parser::{registry, ConfigDeserializer};
use crate::context::CommandRegistry;
use crate::deserializer::ConfigDeserializer;
use crate::evaluate::evaluate_args::evaluate_args;
use crate::prelude::*;
use derive_new::new;
use getset::Getters;
use nu_errors::ShellError;
use nu_parser::hir;
use nu_protocol::{CallInfo, EvaluatedArgs, ReturnValue, Scope, Signature, Value};
use serde::{Deserialize, Serialize};
use std::ops::Deref;
use std::path::PathBuf;
use std::sync::atomic::AtomicBool;
#[derive(Deserialize, Serialize, Debug, Clone)]
@ -21,10 +21,10 @@ pub struct UnevaluatedCallInfo {
impl UnevaluatedCallInfo {
pub fn evaluate(
self,
registry: &registry::CommandRegistry,
registry: &CommandRegistry,
scope: &Scope,
) -> Result<CallInfo, ShellError> {
let args = self.args.evaluate(registry, scope, &self.source)?;
let args = evaluate_args(&self.args, registry, scope, &self.source)?;
Ok(CallInfo {
args,
@ -33,14 +33,16 @@ impl UnevaluatedCallInfo {
}
}
#[derive(Deserialize, Serialize, Debug, Clone)]
pub struct CallInfo {
pub args: registry::EvaluatedArgs,
pub name_tag: Tag,
pub trait CallInfoExt {
fn process<'de, T: Deserialize<'de>>(
&self,
shell_manager: &ShellManager,
callback: fn(T, &RunnablePerItemContext) -> Result<OutputStream, ShellError>,
) -> Result<RunnablePerItemArgs<T>, ShellError>;
}
impl CallInfo {
pub fn process<'de, T: Deserialize<'de>>(
impl CallInfoExt for CallInfo {
fn process<'de, T: Deserialize<'de>>(
&self,
shell_manager: &ShellManager,
callback: fn(T, &RunnablePerItemContext) -> Result<OutputStream, ShellError>,
@ -87,10 +89,6 @@ impl RawCommandArgs {
input: input.into(),
}
}
pub fn source(&self) -> Text {
self.call_info.source.clone()
}
}
impl std::fmt::Debug for CommandArgs {
@ -102,7 +100,7 @@ impl std::fmt::Debug for CommandArgs {
impl CommandArgs {
pub fn evaluate_once(
self,
registry: &registry::CommandRegistry,
registry: &CommandRegistry,
) -> Result<EvaluatedWholeStreamCommandArgs, ShellError> {
let host = self.host.clone();
let ctrl_c = self.ctrl_c.clone();
@ -198,12 +196,6 @@ pub struct RunnablePerItemContext {
pub name: Tag,
}
impl RunnablePerItemContext {
pub fn cwd(&self) -> PathBuf {
PathBuf::from(self.shell_manager.path())
}
}
pub struct RunnableContext {
pub input: InputStream,
pub shell_manager: ShellManager,
@ -295,7 +287,7 @@ impl EvaluatedWholeStreamCommandArgs {
self.args.call_info.name_tag.clone()
}
pub fn parts(self) -> (InputStream, registry::EvaluatedArgs) {
pub fn parts(self) -> (InputStream, EvaluatedArgs) {
let EvaluatedWholeStreamCommandArgs { args, input } = self;
(input, args.call_info.args)
@ -349,112 +341,19 @@ pub struct EvaluatedCommandArgs {
}
impl EvaluatedCommandArgs {
pub fn call_args(&self) -> &registry::EvaluatedArgs {
&self.call_info.args
}
pub fn nth(&self, pos: usize) -> Option<&Value> {
self.call_info.args.nth(pos)
}
pub fn expect_nth(&self, pos: usize) -> Result<&Value, ShellError> {
self.call_info.args.expect_nth(pos)
}
pub fn len(&self) -> usize {
self.call_info.args.len()
}
pub fn get(&self, name: &str) -> Option<&Value> {
self.call_info.args.get(name)
}
pub fn slice_from(&self, from: usize) -> Vec<Value> {
let positional = &self.call_info.args.positional;
match positional {
None => vec![],
Some(list) => list[from..].to_vec(),
}
}
pub fn has(&self, name: &str) -> bool {
self.call_info.args.has(name)
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum CommandAction {
ChangePath(String),
Exit,
Error(ShellError),
EnterShell(String),
EnterValueShell(Value),
EnterHelpShell(Value),
PreviousShell,
NextShell,
LeaveShell,
}
impl PrettyDebug for CommandAction {
fn pretty(&self) -> DebugDocBuilder {
match self {
CommandAction::ChangePath(path) => b::typed("change path", b::description(path)),
CommandAction::Exit => b::description("exit"),
CommandAction::Error(_) => b::error("error"),
CommandAction::EnterShell(s) => b::typed("enter shell", b::description(s)),
CommandAction::EnterValueShell(v) => b::typed("enter value shell", v.pretty()),
CommandAction::EnterHelpShell(v) => b::typed("enter help shell", v.pretty()),
CommandAction::PreviousShell => b::description("previous shell"),
CommandAction::NextShell => b::description("next shell"),
CommandAction::LeaveShell => b::description("leave shell"),
}
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum ReturnSuccess {
Value(Value),
DebugValue(Value),
Action(CommandAction),
}
impl PrettyDebug for ReturnSuccess {
fn pretty(&self) -> DebugDocBuilder {
match self {
ReturnSuccess::Value(value) => b::typed("value", value.pretty()),
ReturnSuccess::DebugValue(value) => b::typed("debug value", value.pretty()),
ReturnSuccess::Action(action) => b::typed("action", action.pretty()),
}
}
}
pub type ReturnValue = Result<ReturnSuccess, ShellError>;
impl From<Value> for ReturnValue {
fn from(input: Value) -> ReturnValue {
Ok(ReturnSuccess::Value(input))
}
}
impl ReturnSuccess {
pub fn change_cwd(path: String) -> ReturnValue {
Ok(ReturnSuccess::Action(CommandAction::ChangePath(path)))
}
pub fn value(input: impl Into<Value>) -> ReturnValue {
Ok(ReturnSuccess::Value(input.into()))
}
pub fn debug_value(input: impl Into<Value>) -> ReturnValue {
Ok(ReturnSuccess::DebugValue(input.into()))
}
pub fn action(input: CommandAction) -> ReturnValue {
Ok(ReturnSuccess::Action(input))
}
}
pub trait WholeStreamCommand: Send + Sync {
fn name(&self) -> &str;
@ -474,7 +373,7 @@ pub trait WholeStreamCommand: Send + Sync {
fn run(
&self,
args: CommandArgs,
registry: &registry::CommandRegistry,
registry: &CommandRegistry,
) -> Result<OutputStream, ShellError>;
fn is_binary(&self) -> bool {
@ -570,7 +469,7 @@ impl Command {
}
}
pub fn run(&self, args: CommandArgs, registry: &registry::CommandRegistry) -> OutputStream {
pub fn run(&self, args: CommandArgs, registry: &CommandRegistry) -> OutputStream {
match self {
Command::WholeStream(command) => match command.run(args, registry) {
Ok(stream) => stream,
@ -637,7 +536,7 @@ impl WholeStreamCommand for FnFilterCommand {
fn run(
&self,
args: CommandArgs,
registry: &registry::CommandRegistry,
registry: &CommandRegistry,
) -> Result<OutputStream, ShellError> {
let CommandArgs {
host,
@ -649,7 +548,7 @@ impl WholeStreamCommand for FnFilterCommand {
let host: Arc<Mutex<dyn Host>> = host.clone();
let shell_manager = shell_manager.clone();
let registry: registry::CommandRegistry = registry.clone();
let registry: CommandRegistry = registry.clone();
let func = self.func;
let result = input.values.map(move |it| {

6
src/commands/compact.rs
View File

@ -1,9 +1,9 @@
use crate::commands::WholeStreamCommand;
use crate::data::base::UntaggedValue;
use crate::errors::ShellError;
use crate::parser::registry::{CommandRegistry, Signature};
use crate::context::CommandRegistry;
use crate::prelude::*;
use futures::stream::StreamExt;
use nu_errors::ShellError;
use nu_protocol::{Signature, SyntaxShape, UntaggedValue, Value};
use nu_source::Tagged;
pub struct Compact;

10
src/commands/config.rs
View File

@ -1,9 +1,9 @@
use crate::commands::WholeStreamCommand;
use crate::data::{config, Value};
use crate::errors::ShellError;
use crate::parser::hir::SyntaxShape;
use crate::parser::registry::{self};
use crate::context::CommandRegistry;
use crate::data::config;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{Primitive, ReturnSuccess, Signature, SyntaxShape, UntaggedValue, Value};
use nu_source::Tagged;
use std::path::PathBuf;
@ -55,7 +55,7 @@ impl WholeStreamCommand for Config {
fn run(
&self,
args: CommandArgs,
registry: &registry::CommandRegistry,
registry: &CommandRegistry,
) -> Result<OutputStream, ShellError> {
args.process(registry, config)?.run()
}

9
src/commands/count.rs
View File

@ -1,9 +1,10 @@
use crate::commands::WholeStreamCommand;
use crate::data::Value;
use crate::errors::ShellError;
use crate::parser::CommandRegistry;
use crate::context::CommandRegistry;
use crate::data::value;
use crate::prelude::*;
use futures::stream::StreamExt;
use nu_errors::ShellError;
use nu_protocol::{ReturnSuccess, Signature, Value};
pub struct Count;
@ -39,7 +40,7 @@ pub fn count(
let stream = async_stream! {
let rows: Vec<Value> = input.values.collect().await;
yield ReturnSuccess::value(UntaggedValue::int(rows.len()).into_value(name))
yield ReturnSuccess::value(value::int(rows.len()).into_value(name))
};
Ok(stream.to_output_stream())

6
src/commands/cp.rs
View File

@ -1,8 +1,8 @@
use crate::commands::command::RunnablePerItemContext;
use crate::errors::ShellError;
use crate::parser::hir::SyntaxShape;
use crate::parser::registry::{CommandRegistry, Signature};
use crate::context::CommandRegistry;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{CallInfo, Signature, SyntaxShape, Value};
use nu_source::Tagged;
use std::path::PathBuf;

33
src/commands/date.rs
View File

@ -1,13 +1,14 @@
use crate::data::{Dictionary, Value};
use crate::errors::ShellError;
use crate::prelude::*;
use chrono::{DateTime, Local, Utc};
use nu_errors::ShellError;
use nu_protocol::{Dictionary, Value};
use crate::commands::WholeStreamCommand;
use crate::parser::registry::Signature;
use crate::data::value;
use chrono::{Datelike, TimeZone, Timelike};
use core::fmt::Display;
use indexmap::IndexMap;
use nu_protocol::{Signature, UntaggedValue};
pub struct Date;
@ -41,35 +42,23 @@ where
{
let mut indexmap = IndexMap::new();
indexmap.insert(
"year".to_string(),
UntaggedValue::int(dt.year()).into_value(&tag),
);
indexmap.insert(
"month".to_string(),
UntaggedValue::int(dt.month()).into_value(&tag),
);
indexmap.insert(
"day".to_string(),
UntaggedValue::int(dt.day()).into_value(&tag),
);
indexmap.insert(
"hour".to_string(),
UntaggedValue::int(dt.hour()).into_value(&tag),
);
indexmap.insert("year".to_string(), value::int(dt.year()).into_value(&tag));
indexmap.insert("month".to_string(), value::int(dt.month()).into_value(&tag));
indexmap.insert("day".to_string(), value::int(dt.day()).into_value(&tag));
indexmap.insert("hour".to_string(), value::int(dt.hour()).into_value(&tag));
indexmap.insert(
"minute".to_string(),
UntaggedValue::int(dt.minute()).into_value(&tag),
value::int(dt.minute()).into_value(&tag),
);
indexmap.insert(
"second".to_string(),
UntaggedValue::int(dt.second()).into_value(&tag),
value::int(dt.second()).into_value(&tag),
);
let tz = dt.offset();
indexmap.insert(
"timezone".to_string(),
UntaggedValue::string(format!("{}", tz)).into_value(&tag),
value::string(format!("{}", tz)).into_value(&tag),
);
UntaggedValue::Row(Dictionary::from(indexmap)).into_value(&tag)

7
src/commands/debug.rs
View File

@ -1,5 +1,8 @@
use crate::commands::WholeStreamCommand;
use crate::data::value;
use crate::prelude::*;
use nu_errors::ShellError;
use nu_protocol::{ReturnSuccess, Signature};
pub struct Debug;
@ -34,8 +37,6 @@ fn debug_value(
) -> Result<impl ToOutputStream, ShellError> {
Ok(input
.values
.map(|v| {
ReturnSuccess::value(UntaggedValue::string(format!("{:?}", v)).into_untagged_value())
})
.map(|v| ReturnSuccess::value(value::string(format!("{:?}", v)).into_untagged_value()))
.to_output_stream())
}

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