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fileset: implement expect_no_arguments() as method

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Yuya Nishihara 2024-05-21 12:34:49 +09:00
parent c9b088c795
commit 7a230395c2
2 changed files with 12 additions and 10 deletions
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4
lib/src/fileset.rs
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@ -396,11 +396,11 @@ static BUILTIN_FUNCTION_MAP: Lazy<HashMap<&'static str, FilesetFunction>> = Lazy
// code completion inside macro is quite restricted. // code completion inside macro is quite restricted.
let mut map: HashMap<&'static str, FilesetFunction> = HashMap::new(); let mut map: HashMap<&'static str, FilesetFunction> = HashMap::new();
map.insert("none", |_ctx, function| { map.insert("none", |_ctx, function| {
fileset_parser::expect_no_arguments(function)?; function.expect_no_arguments()?;
Ok(FilesetExpression::none()) Ok(FilesetExpression::none())
}); });
map.insert("all", |_ctx, function| { map.insert("all", |_ctx, function| {
fileset_parser::expect_no_arguments(function)?; function.expect_no_arguments()?;
Ok(FilesetExpression::all()) Ok(FilesetExpression::all())
}); });
map map

18
lib/src/fileset_parser.rs
View file

@ -342,14 +342,16 @@ pub fn parse_program_or_bare_string(text: &str) -> FilesetParseResult<Expression
Ok(ExpressionNode::new(expr, span)) Ok(ExpressionNode::new(expr, span))
} }
pub fn expect_no_arguments(function: &FunctionCallNode) -> FilesetParseResult<()> { impl<'i> FunctionCallNode<'i> {
if function.args.is_empty() { pub fn expect_no_arguments(&self) -> FilesetParseResult<()> {
Ok(()) if self.args.is_empty() {
} else { Ok(())
Err(FilesetParseError::invalid_arguments( } else {
function, Err(FilesetParseError::invalid_arguments(
"Expected 0 arguments", self,
)) "Expected 0 arguments",
))
}
} }
} }