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more strict nuon handling, better nuon errors (#4576)

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* more strict nuon handling, better nuon errors

* Improve errors a bit more
This commit is contained in:
JT 2022-02-20 22:31:50 -05:00 committed by GitHub
parent 5befa6f80a
commit a96f8b891e
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 485 additions and 86 deletions
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9
Cargo.lock generated
View File

@ -1935,9 +1935,9 @@ dependencies = [
[[package]]
name = "miette"
version = "3.3.0"
version = "4.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cd2adcfcced5d625bf90a958a82ae5b93231f57f3df1383fee28c9b5096d35ed"
checksum = "634ab44733e6bc9b1aef1a628a92b882edbc1ded2bd6c1fb337e6c7b53c6349a"
dependencies = [
"atty",
"backtrace",
@ -1950,13 +1950,14 @@ dependencies = [
"terminal_size",
"textwrap",
"thiserror",
"unicode-width",
]
[[package]]
name = "miette-derive"
version = "3.3.0"
version = "4.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c01a8b61312d367ce87956bb686731f87e4c6dd5dbc550e8f06e3c24fb1f67f"
checksum = "a90e3c6812fbfa0837645b73aa220bb07795066a037b611b4274f3219c1efec2"
dependencies = [
"proc-macro2",
"quote",

2
Cargo.toml
View File

@ -36,7 +36,7 @@ crossterm_winapi = "0.9.0"
ctrlc = "3.2.1"
# lazy_static = "1.4.0"
log = "0.4"
miette = "3.0.0"
miette = "4.1.0"
nu-ansi-term = "0.42.0"
nu-cli = { path="./crates/nu-cli", version = "0.59.0" }
nu-color-config = { path = "./crates/nu-color-config", version = "0.59.0" }

2
crates/nu-cli/Cargo.toml
View File

@ -13,7 +13,7 @@ nu-ansi-term = "0.42.0"
nu-color-config = { path = "../nu-color-config" }
miette = { version = "3.0.0", features = ["fancy"] }
miette = { version = "4.1.0", features = ["fancy"] }
thiserror = "1.0.29"
reedline = { git = "https://github.com/nushell/reedline", branch = "main" }

10
crates/nu-cli/src/errors.rs
View File

@ -41,6 +41,14 @@ impl<'src> miette::Diagnostic for CliError<'src> {
// Finally, we redirect the source_code method to our own source.
fn source_code(&self) -> Option<&dyn SourceCode> {
Some(&self.1)
if let Some(source_code) = self.0.source_code() {
Some(source_code)
} else {
Some(&self.1)
}
}
fn related<'a>(&'a self) -> Option<Box<dyn Iterator<Item = &'a dyn miette::Diagnostic> + 'a>> {
self.0.related()
}
}

482
crates/nu-command/src/formats/from/nuon.rs
View File

@ -1,11 +1,8 @@
use std::collections::HashMap;
use nu_engine::{current_dir, eval_expression};
use nu_protocol::ast::{Call, Expr, Expression};
use nu_protocol::engine::{Command, EngineState, Stack, StateWorkingSet};
use nu_protocol::{
Category, Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, Type, Value,
CONFIG_VARIABLE_ID,
Category, Example, IntoPipelineData, PipelineData, Range, ShellError, Signature, Span, Type,
Unit, Value,
};
#[derive(Clone)]
pub struct FromNuon;
@ -69,7 +66,7 @@ impl Command for FromNuon {
fn run(
&self,
engine_state: &EngineState,
_engine_state: &EngineState,
stack: &mut Stack,
call: &Call,
input: PipelineData,
@ -77,54 +74,68 @@ impl Command for FromNuon {
let head = call.head;
let config = stack.get_config().unwrap_or_default();
let string_input = input.collect_string("", &config)?;
let cwd = current_dir(engine_state, stack)?;
{
let mut engine_state = EngineState::new();
let mut working_set = StateWorkingSet::new(&engine_state);
let mut stack = stack.captures_to_stack(&HashMap::new());
let engine_state = EngineState::new();
let _ = working_set.add_file("nuon file".to_string(), string_input.as_bytes());
let mut working_set = StateWorkingSet::new(&engine_state);
let mut error = None;
let _ = working_set.add_file("nuon file".to_string(), string_input.as_bytes());
let (lexed, err) =
nu_parser::lex(string_input.as_bytes(), 0, &[b'\n', b'\r'], &[], true);
error = error.or(err);
let mut error = None;
let (lite_block, err) = nu_parser::lite_parse(&lexed);
error = error.or(err);
let (lexed, err) = nu_parser::lex(string_input.as_bytes(), 0, &[b'\n', b'\r'], &[], true);
error = error.or(err);
let (block, err) = nu_parser::parse_block(&mut working_set, &lite_block, true);
error = error.or(err);
let (lite_block, err) = nu_parser::lite_parse(&lexed);
error = error.or(err);
if block.pipelines.get(1).is_some() {
return Err(ShellError::SpannedLabeledError(
"error when loading".into(),
"excess values when loading".into(),
let (block, err) = nu_parser::parse_block(&mut working_set, &lite_block, true);
error = error.or(err);
if let Some(pipeline) = block.pipelines.get(1) {
if let Some(expr) = pipeline.expressions.get(0) {
return Err(ShellError::SpannedLabeledErrorRelated(
"error when loading nuon text".into(),
"could not load nuon text".into(),
head,
vec![ShellError::OutsideSpannedLabeledError(
string_input,
"error when loading".into(),
"excess values when loading".into(),
expr.span,
)],
));
} else {
return Err(ShellError::SpannedLabeledErrorRelated(
"error when loading nuon text".into(),
"could not load nuon text".into(),
head,
vec![ShellError::SpannedLabeledError(
"error when loading".into(),
"excess values when loading".into(),
head,
)],
));
}
}
let expr = if let Some(pipeline) = block.pipelines.get(0) {
if let Some(expr) = pipeline.expressions.get(1) {
return Err(ShellError::SpannedLabeledErrorRelated(
"error when loading nuon text".into(),
"could not load nuon text".into(),
head,
vec![ShellError::OutsideSpannedLabeledError(
string_input,
"error when loading".into(),
"detected a pipeline in nuon file".into(),
expr.span,
)],
));
}
let expr = if let Some(pipeline) = block.pipelines.get(0) {
if pipeline.expressions.get(1).is_some() {
return Err(ShellError::SpannedLabeledError(
"error when loading".into(),
"detected a pipeline in nuon file".into(),
head,
));
}
if let Some(expr) = pipeline.expressions.get(0) {
expr.clone()
} else {
Expression {
expr: Expr::Nothing,
span: head,
custom_completion: None,
ty: Type::Nothing,
}
}
if let Some(expr) = pipeline.expressions.get(0) {
expr.clone()
} else {
Expression {
expr: Expr::Nothing,
@ -132,45 +143,362 @@ impl Command for FromNuon {
custom_completion: None,
ty: Type::Nothing,
}
};
if let Some(err) = error {
return Err(ShellError::SpannedLabeledError(
"error when loading".into(),
err.to_string(),
head,
));
}
} else {
Expression {
expr: Expr::Nothing,
span: head,
custom_completion: None,
ty: Type::Nothing,
}
};
let delta = working_set.render();
engine_state.merge_delta(delta, Some(&mut stack), &cwd)?;
stack.add_var(
CONFIG_VARIABLE_ID,
Value::Record {
cols: vec![],
vals: vec![],
span: head,
},
);
let result = eval_expression(&engine_state, &mut stack, &expr);
match result {
Ok(result) => Ok(result.into_pipeline_data()),
Err(ShellError::ExternalNotSupported(..)) => Err(ShellError::SpannedLabeledError(
"error when loading".into(),
"running commands not supported in nuon".into(),
head,
)),
Err(err) => Err(ShellError::SpannedLabeledError(
"error when loading".into(),
if let Some(err) = error {
return Err(ShellError::SpannedLabeledErrorRelated(
"error when parsing nuon text".into(),
"could not parse nuon text".into(),
head,
vec![ShellError::OutsideSpannedLabeledError(
string_input,
"error when parsing".into(),
err.to_string(),
head,
)),
err.span(),
)],
));
}
let result = convert_to_value(expr, head, &string_input);
match result {
Ok(result) => Ok(result.into_pipeline_data()),
Err(err) => Err(ShellError::SpannedLabeledErrorRelated(
"error when loading nuon text".into(),
"could not load nuon text".into(),
head,
vec![err],
)),
}
}
}
fn convert_to_value(
expr: Expression,
span: Span,
original_text: &str,
) -> Result<Value, ShellError> {
match expr.expr {
Expr::BinaryOp(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"binary operators not supported in nuon".into(),
expr.span,
)),
Expr::Block(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"blocks not supported in nuon".into(),
expr.span,
)),
Expr::Bool(val) => Ok(Value::Bool { val, span }),
Expr::Call(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"calls not supported in nuon".into(),
expr.span,
)),
Expr::CellPath(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"subexpressions and cellpaths not supported in nuon".into(),
expr.span,
)),
Expr::ExternalCall(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"calls not supported in nuon".into(),
expr.span,
)),
Expr::Filepath(val) => Ok(Value::String { val, span }),
Expr::Float(val) => Ok(Value::Float { val, span }),
Expr::FullCellPath(full_cell_path) => {
if !full_cell_path.tail.is_empty() {
Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"subexpressions and cellpaths not supported in nuon".into(),
expr.span,
))
} else {
convert_to_value(full_cell_path.head, span, original_text)
}
}
Expr::Garbage => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"extra tokens in input file".into(),
expr.span,
)),
Expr::GlobPattern(val) => Ok(Value::String { val, span }),
Expr::ImportPattern(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"imports not supported in nuon".into(),
expr.span,
)),
Expr::Int(val) => Ok(Value::Int { val, span }),
Expr::Keyword(kw, ..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
format!("{} not supported in nuon", String::from_utf8_lossy(&kw)),
expr.span,
)),
Expr::List(vals) => {
let mut output = vec![];
for val in vals {
output.push(convert_to_value(val, span, original_text)?);
}
Ok(Value::List { vals: output, span })
}
Expr::Nothing => Ok(Value::Nothing { span }),
Expr::Operator(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"operators not supported in nuon".into(),
expr.span,
)),
Expr::Range(from, next, to, operator) => {
let from = if let Some(f) = from {
convert_to_value(*f, span, original_text)?
} else {
Value::Nothing { span: expr.span }
};
let next = if let Some(s) = next {
convert_to_value(*s, span, original_text)?
} else {
Value::Nothing { span: expr.span }
};
let to = if let Some(t) = to {
convert_to_value(*t, span, original_text)?
} else {
Value::Nothing { span: expr.span }
};
Ok(Value::Range {
val: Box::new(Range::new(expr.span, from, next, to, &operator)?),
span: expr.span,
})
}
Expr::Record(key_vals) => {
let mut cols = vec![];
let mut vals = vec![];
for (key, val) in key_vals {
let key_str = match key.expr {
Expr::String(key_str) => key_str,
_ => {
return Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"only strings can be keys".into(),
key.span,
))
}
};
let value = convert_to_value(val, span, original_text)?;
cols.push(key_str);
vals.push(value);
}
Ok(Value::Record { cols, vals, span })
}
Expr::RowCondition(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"row conditions not supported in nuon".into(),
expr.span,
)),
Expr::Signature(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"signatures not supported in nuon".into(),
expr.span,
)),
Expr::String(s) => Ok(Value::String { val: s, span }),
Expr::StringInterpolation(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"string interpolation not supported in nuon".into(),
expr.span,
)),
Expr::Subexpression(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"subexpressions not supported in nuon".into(),
expr.span,
)),
Expr::Table(headers, cells) => {
let mut cols = vec![];
let mut output = vec![];
for key in headers {
let key_str = match key.expr {
Expr::String(key_str) => key_str,
_ => {
return Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"only strings can be keys".into(),
expr.span,
))
}
};
cols.push(key_str);
}
for row in cells {
let mut vals = vec![];
for cell in row {
vals.push(convert_to_value(cell, span, original_text)?);
}
if cols.len() != vals.len() {
return Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"table has mismatched columns".into(),
expr.span,
));
}
output.push(Value::Record {
cols: cols.clone(),
vals,
span,
});
}
Ok(Value::List { vals: output, span })
}
Expr::ValueWithUnit(val, unit) => {
let size = match val.expr {
Expr::Int(val) => val,
_ => {
return Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"non-integer unit value".into(),
expr.span,
))
}
};
match unit.item {
Unit::Byte => Ok(Value::Filesize { val: size, span }),
Unit::Kilobyte => Ok(Value::Filesize {
val: size * 1000,
span,
}),
Unit::Megabyte => Ok(Value::Filesize {
val: size * 1000 * 1000,
span,
}),
Unit::Gigabyte => Ok(Value::Filesize {
val: size * 1000 * 1000 * 1000,
span,
}),
Unit::Terabyte => Ok(Value::Filesize {
val: size * 1000 * 1000 * 1000 * 1000,
span,
}),
Unit::Petabyte => Ok(Value::Filesize {
val: size * 1000 * 1000 * 1000 * 1000 * 1000,
span,
}),
Unit::Kibibyte => Ok(Value::Filesize {
val: size * 1024,
span,
}),
Unit::Mebibyte => Ok(Value::Filesize {
val: size * 1024 * 1024,
span,
}),
Unit::Gibibyte => Ok(Value::Filesize {
val: size * 1024 * 1024 * 1024,
span,
}),
Unit::Tebibyte => Ok(Value::Filesize {
val: size * 1024 * 1024 * 1024 * 1024,
span,
}),
Unit::Pebibyte => Ok(Value::Filesize {
val: size * 1024 * 1024 * 1024 * 1024 * 1024,
span,
}),
Unit::Nanosecond => Ok(Value::Duration { val: size, span }),
Unit::Microsecond => Ok(Value::Duration {
val: size * 1000,
span,
}),
Unit::Millisecond => Ok(Value::Duration {
val: size * 1000 * 1000,
span,
}),
Unit::Second => Ok(Value::Duration {
val: size * 1000 * 1000 * 1000,
span,
}),
Unit::Minute => Ok(Value::Duration {
val: size * 1000 * 1000 * 1000 * 60,
span,
}),
Unit::Hour => Ok(Value::Duration {
val: size * 1000 * 1000 * 1000 * 60 * 60,
span,
}),
Unit::Day => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24) {
Some(val) => Ok(Value::Duration { val, span }),
None => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"duration too large".into(),
"duration too large".into(),
expr.span,
)),
},
Unit::Week => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 7) {
Some(val) => Ok(Value::Duration { val, span }),
None => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"duration too large".into(),
"duration too large".into(),
expr.span,
)),
},
}
}
Expr::Var(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"variables not supported in nuon".into(),
expr.span,
)),
Expr::VarDecl(..) => Err(ShellError::OutsideSpannedLabeledError(
original_text.to_string(),
"Error when loading".into(),
"variable declarations not supported in nuon".into(),
expr.span,
)),
}
}

2
crates/nu-parser/Cargo.toml
View File

@ -4,7 +4,7 @@ version = "0.59.0"
edition = "2021"
[dependencies]
miette = "3.0.0"
miette = "4.1.0"
thiserror = "1.0.29"
serde_json = "1.0"
nu-path = {path = "../nu-path"}

49
crates/nu-parser/src/errors.rs
View File

@ -222,3 +222,52 @@ pub enum ParseError {
#[diagnostic()]
LabeledError(String, String, #[label("{1}")] Span),
}
impl ParseError {
pub fn span(&self) -> Span {
match self {
ParseError::ExtraTokens(s) => *s,
ParseError::ExtraPositional(_, s) => *s,
ParseError::UnexpectedEof(_, s) => *s,
ParseError::Unclosed(_, s) => *s,
ParseError::Expected(_, s) => *s,
ParseError::Mismatch(_, _, s) => *s,
ParseError::UnsupportedOperation(_, _, _, s, _) => *s,
ParseError::ExpectedKeyword(_, s) => *s,
ParseError::UnexpectedKeyword(_, s) => *s,
ParseError::BuiltinCommandInPipeline(_, s) => *s,
ParseError::IncorrectValue(_, s, _) => *s,
ParseError::MultipleRestParams(s) => *s,
ParseError::VariableNotFound(s) => *s,
ParseError::VariableNotValid(s) => *s,
ParseError::ModuleNotFound(s) => *s,
ParseError::NotFound(s) => *s,
ParseError::DuplicateCommandDef(s) => *s,
ParseError::UnknownCommand(s) => *s,
ParseError::NonUtf8(s) => *s,
ParseError::UnknownFlag(_, _, s) => *s,
ParseError::UnknownType(s) => *s,
ParseError::MissingFlagParam(_, s) => *s,
ParseError::ShortFlagBatchCantTakeArg(s) => *s,
ParseError::MissingPositional(_, s, _) => *s,
ParseError::KeywordMissingArgument(_, _, s) => *s,
ParseError::MissingType(s) => *s,
ParseError::TypeMismatch(_, _, s) => *s,
ParseError::MissingRequiredFlag(_, s) => *s,
ParseError::IncompleteMathExpression(s) => *s,
ParseError::UnknownState(_, s) => *s,
ParseError::InternalError(_, s) => *s,
ParseError::IncompleteParser(s) => *s,
ParseError::RestNeedsName(s) => *s,
ParseError::ParameterMismatchType(_, _, _, s) => *s,
ParseError::ExtraColumns(_, s) => *s,
ParseError::MissingColumns(_, s) => *s,
ParseError::AssignmentMismatch(_, _, s) => *s,
ParseError::MissingImportPattern(s) => *s,
ParseError::WrongImportPattern(s) => *s,
ParseError::ExportNotFound(s) => *s,
ParseError::FileNotFound(_, s) => *s,
ParseError::LabeledError(_, _, s) => *s,
}
}
}

2
crates/nu-protocol/Cargo.toml
View File

@ -7,7 +7,7 @@ edition = "2021"
[dependencies]
thiserror = "1.0.29"
miette = "3.0.0"
miette = "4.1.0"
serde = {version = "1.0.130", features = ["derive"]}
chrono = { version="0.4.19", features=["serde"] }
indexmap = { version="1.7", features=["serde-1"] }

13
crates/nu-protocol/src/shell_error.rs
View File

@ -268,10 +268,23 @@ pub enum ShellError {
#[diagnostic(help("{3}"))]
SpannedLabeledErrorHelp(String, String, #[label("{1}")] Span, String),
#[error("{0}")]
#[diagnostic()]
SpannedLabeledErrorRelated(
String,
String,
#[label("{1}")] Span,
#[related] Vec<ShellError>,
),
#[error("{0}")]
#[diagnostic(help("{1}"))]
LabeledError(String, String),
#[error("{1}")]
#[diagnostic()]
OutsideSpannedLabeledError(#[source_code] String, String, String, #[label("{2}")] Span),
#[error("Deprecated command {0}")]
#[diagnostic(code(nu::shell::deprecated_command), url(docsrs))]
DeprecatedCommand(