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revset: inline parse_function_call_args()

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The separate function looked rather verbose.
This commit is contained in:
Yuya Nishihara 2024-06-02 23:02:38 +09:00
parent 8a4abee87d
commit 3a4258916c
1 changed files with 33 additions and 48 deletions
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81
lib/src/revset_parser.rs
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@ -640,10 +640,40 @@ fn parse_function_call_node(pair: Pair<Rule>) -> Result<FunctionCallNode, Revset
assert_eq!(args_pair.as_rule(), Rule::function_arguments);
let name_span = name_pair.as_span();
let args_span = args_pair.as_span();
let name = name_pair.as_str();
let (args, keyword_args) = parse_function_call_args(name, args_pair)?;
let function_name = name_pair.as_str();
let mut args = Vec::new();
let mut keyword_args = Vec::new();
for pair in args_pair.into_inner() {
let span = pair.as_span();
match pair.as_rule() {
Rule::expression => {
if !keyword_args.is_empty() {
return Err(RevsetParseError::invalid_arguments(
function_name,
"Positional argument follows keyword argument",
span,
));
}
args.push(parse_expression_node(pair.into_inner())?);
}
Rule::keyword_argument => {
let mut pairs = pair.into_inner();
let name = pairs.next().unwrap();
let expr = pairs.next().unwrap();
assert_eq!(name.as_rule(), Rule::identifier);
assert_eq!(expr.as_rule(), Rule::expression);
let arg = KeywordArgument {
name: name.as_str(),
name_span: name.as_span(),
value: parse_expression_node(expr.into_inner())?,
};
keyword_args.push(arg);
}
r => panic!("unexpected argument rule {r:?}"),
}
}
Ok(FunctionCallNode {
name,
name: function_name,
name_span,
args,
keyword_args,
@ -700,51 +730,6 @@ impl AliasDefinitionParser for RevsetAliasParser {
}
}
// TODO: inline
fn parse_function_call_args<'i>(
function_name: &str,
arguments_pair: Pair<'i, Rule>,
) -> Result<
(
Vec<ExpressionNode<'i>>,
Vec<KeywordArgument<'i, ExpressionKind<'i>>>,
),
RevsetParseError,
> {
let mut args = Vec::new();
let mut keyword_args = Vec::new();
for pair in arguments_pair.into_inner() {
let span = pair.as_span();
match pair.as_rule() {
Rule::expression => {
if !keyword_args.is_empty() {
return Err(RevsetParseError::invalid_arguments(
function_name,
"Positional argument follows keyword argument",
span,
));
}
args.push(parse_expression_node(pair.into_inner())?);
}
Rule::keyword_argument => {
let mut pairs = pair.into_inner();
let name = pairs.next().unwrap();
let expr = pairs.next().unwrap();
assert_eq!(name.as_rule(), Rule::identifier);
assert_eq!(expr.as_rule(), Rule::expression);
let arg = KeywordArgument {
name: name.as_str(),
name_span: name.as_span(),
value: parse_expression_node(expr.into_inner())?,
};
keyword_args.push(arg);
}
r => panic!("unexpected argument rule {r:?}"),
}
}
Ok((args, keyword_args))
}
/// Applies the give function to the innermost `node` by unwrapping alias
/// expansion nodes.
pub(super) fn expect_literal_with<T>(