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Merge pull request #1251 from RustPython/scope-detection

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Extend AST python module. Add idea for scope detection.
This commit is contained in:
Windel Bouwman 2019-08-18 09:14:20 +02:00 • committed by GitHub
commit 99b3532cae
1 changed files with 22 additions and 2 deletions
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24
src/symboltable.rs
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@ -204,8 +204,25 @@ impl SymbolTableAnalyzer {
// all is well
}
SymbolScope::Unknown => {
if symbol.is_assigned {
// Try hard to figure out what the scope of this symbol is.
if symbol.is_assigned || symbol.is_parameter {
symbol.scope = SymbolScope::Local;
} else {
// TODO: comment this out and make it work properly:
/*
let found_in_outer_scope = self
.tables
.iter()
.any(|t| t.symbols.contains_key(&symbol.name));
if found_in_outer_scope {
// Symbol is in some outer scope.
} else {
// Well, it must be a global then :)
// symbol.scope = SymbolScope::Global;
}
*/
}
}
}
@ -713,7 +730,10 @@ impl SymbolTableBuilder {
});
}
}
SymbolUsage::Parameter | SymbolUsage::Assigned => {
SymbolUsage::Parameter => {
symbol.is_parameter = true;
}
SymbolUsage::Assigned => {
symbol.is_assigned = true;
}
SymbolUsage::Global => {