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Distinguish MultipleStarArgs and InvalidStarArgs compile errors

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This commit is contained in:
Jeong YunWon 2020-05-13 01:42:18 +09:00
parent 3f2b414fcc
commit a77e0b8587
2 changed files with 9 additions and 8 deletions
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8
src/compile.rs
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@ -1374,7 +1374,7 @@ impl<O: OutputStream> Compiler<O> {
for (i, element) in elements.iter().enumerate() {
if let ast::ExpressionType::Starred { .. } = &element.node {
if seen_star {
return Err(self.error(CompileErrorType::StarArgs));
return Err(self.error(CompileErrorType::MultipleStarArgs));
} else {
seen_star = true;
self.emit(Instruction::UnpackEx {
@ -1782,11 +1782,7 @@ impl<O: OutputStream> Compiler<O> {
self.compile_comprehension(kind, generators)?;
}
Starred { .. } => {
return Err(
self.error(CompileErrorType::SyntaxError(std::string::String::from(
"Invalid starred expression",
))),
);
return Err(self.error(CompileErrorType::InvalidStarExpr));
}
IfExpression { test, body, orelse } => {
let no_label = self.new_label();

9
src/error.rs
View file

@ -47,7 +47,9 @@ pub enum CompileErrorType {
Parse(ParseErrorType),
SyntaxError(String),
/// Multiple `*` detected
StarArgs,
MultipleStarArgs,
/// Misplaced `*` expression
InvalidStarExpr,
/// Break statement outside of loop.
InvalidBreak,
/// Continue statement outside of loop.
@ -97,7 +99,10 @@ impl fmt::Display for CompileError {
CompileErrorType::ExpectExpr => "Expecting expression, got statement".to_owned(),
CompileErrorType::Parse(err) => err.to_string(),
CompileErrorType::SyntaxError(err) => err.to_string(),
CompileErrorType::StarArgs => "Two starred expressions in assignment".to_owned(),
CompileErrorType::MultipleStarArgs => {
"two starred expressions in assignment".to_owned()
}
CompileErrorType::InvalidStarExpr => "can't use starred expression here".to_owned(),
CompileErrorType::InvalidBreak => "'break' outside loop".to_owned(),
CompileErrorType::InvalidContinue => "'continue' outside loop".to_owned(),
CompileErrorType::InvalidReturn => "'return' outside function".to_owned(),