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Allow unsuffixed statements in parser

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Moves the "STATEMENT AFTER EXPRESSION" error from the parser to canonicalization.
We'll later use this to allow this case in effectful functions.
This commit is contained in:
Agus Zubiaga 2024-10-14 20:05:33 -03:00
parent f677592f97
commit 2cce5ad023
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23 changed files with 280 additions and 107 deletions
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3
crates/compiler/problem/src/can.rs
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@ -251,6 +251,7 @@ pub enum Problem {
ReturnAtEndOfFunction {
region: Region,
},
StmtAfterExpr(Region),
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
@ -335,6 +336,7 @@ impl Problem {
Problem::ReturnOutsideOfFunction { .. } => Warning,
Problem::StatementsAfterReturn { .. } => Warning,
Problem::ReturnAtEndOfFunction { .. } => Warning,
Problem::StmtAfterExpr(_) => Fatal,
}
}
@ -505,6 +507,7 @@ impl Problem {
| Problem::BadRecursion(cycle_entries) => {
cycle_entries.first().map(|entry| entry.expr_region)
}
Problem::StmtAfterExpr(region) => Some(*region),
Problem::RuntimeError(RuntimeError::UnresolvedTypeVar)
| Problem::RuntimeError(RuntimeError::ErroneousType)
| Problem::RuntimeError(RuntimeError::NonExhaustivePattern)