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revset: report unknown function with span

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This commit is contained in:
Yuya Nishihara 2022-11-01 23:04:54 +09:00
parent fdbd44571d
commit aeee0acd08
2 changed files with 39 additions and 28 deletions
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57
lib/src/revset.rs
View file

@ -622,9 +622,8 @@ fn parse_primary_rule(
match first.as_rule() {
Rule::expression => parse_expression_rule(first.into_inner(), workspace_ctx),
Rule::function_name => {
let name = first.as_str().to_owned();
let argument_pairs = pairs.next().unwrap().into_inner();
parse_function_expression(name, argument_pairs, workspace_ctx)
parse_function_expression(first, argument_pairs, workspace_ctx)
}
Rule::symbol => parse_symbol_rule(first.into_inner()),
_ => {
@ -655,46 +654,47 @@ fn parse_symbol_rule(mut pairs: Pairs<Rule>) -> Result<Rc<RevsetExpression>, Rev
}
fn parse_function_expression(
name: String,
name_pair: Pair<Rule>,
argument_pairs: Pairs<Rule>,
workspace_ctx: Option<&RevsetWorkspaceContext>,
) -> Result<Rc<RevsetExpression>, RevsetParseError> {
match name.as_str() {
let name = name_pair.as_str();
match name {
"parents" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let arg = expect_one_argument(name, argument_pairs)?;
let expression = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(expression.parents())
}
"children" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let arg = expect_one_argument(name, argument_pairs)?;
let expression = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(expression.children())
}
"ancestors" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let arg = expect_one_argument(name, argument_pairs)?;
let expression = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(expression.ancestors())
}
"descendants" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let arg = expect_one_argument(name, argument_pairs)?;
let expression = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(expression.descendants())
}
"connected" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let arg = expect_one_argument(name, argument_pairs)?;
let candidates = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(candidates.connected())
}
"none" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::none())
}
"all" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::all())
}
"heads" => {
if let Some(arg) = expect_one_optional_argument(&name, argument_pairs)? {
if let Some(arg) = expect_one_optional_argument(name, argument_pairs)? {
let candidates = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(candidates.heads())
} else {
@ -702,43 +702,43 @@ fn parse_function_expression(
}
}
"roots" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let arg = expect_one_argument(name, argument_pairs)?;
let candidates = parse_expression_rule(arg.into_inner(), workspace_ctx)?;
Ok(candidates.roots())
}
"public_heads" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::public_heads())
}
"branches" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::branches())
}
"remote_branches" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::remote_branches())
}
"tags" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::tags())
}
"git_refs" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::git_refs())
}
"git_head" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::git_head())
}
"merges" => {
expect_no_arguments(&name, argument_pairs)?;
expect_no_arguments(name, argument_pairs)?;
Ok(RevsetExpression::all().with_parent_count(2..u32::MAX))
}
"description" | "author" | "committer" => {
let arg = expect_one_argument(&name, argument_pairs)?;
let needle = parse_function_argument_to_string(&name, arg.into_inner())?;
let arg = expect_one_argument(name, argument_pairs)?;
let needle = parse_function_argument_to_string(name, arg.into_inner())?;
let candidates = RevsetExpression::all();
match name.as_str() {
match name {
"description" => Ok(candidates.with_description(needle)),
"author" => Ok(candidates.with_author(needle)),
"committer" => Ok(candidates.with_committer(needle)),
@ -752,7 +752,7 @@ fn parse_function_expression(
let paths = argument_pairs
.map(|arg| {
let span = arg.as_span();
let needle = parse_function_argument_to_string(&name, arg.into_inner())?;
let needle = parse_function_argument_to_string(name, arg.into_inner())?;
let path = RepoPath::parse_fs_path(ctx.cwd, ctx.workspace_root, &needle)
.map_err(|e| {
RevsetParseError::with_span(
@ -766,7 +766,7 @@ fn parse_function_expression(
if paths.is_empty() {
Err(RevsetParseError::new(
RevsetParseErrorKind::InvalidFunctionArguments {
name,
name: name.to_owned(),
message: "Expected at least 1 argument".to_string(),
},
))
@ -779,9 +779,10 @@ fn parse_function_expression(
))
}
}
_ => Err(RevsetParseError::new(RevsetParseErrorKind::NoSuchFunction(
name,
))),
_ => Err(RevsetParseError::with_span(
RevsetParseErrorKind::NoSuchFunction(name.to_owned()),
name_pair.as_span(),
)),
}
}

10
tests/test_revset_output.rs
View file

@ -31,4 +31,14 @@ fn test_bad_function_call() {
|
= Invalid file pattern: Path "../out" is not in the repo
"###);
let stderr = test_env.jj_cmd_failure(&repo_path, &["log", "-r", "root:whatever()"]);
insta::assert_snapshot!(stderr, @r###"
Error: Failed to parse revset: --> 1:6
|
1 | root:whatever()
| ^------^
|
= Revset function "whatever" doesn't exist
"###);
}