mirrors/RustPython-Parser
1
0
Fork 0
mirror of https://github.com/RustPython/Parser.git synced 2025-09-02 00:28:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix nonlocal checks

Browse source 
Related to #2189
This commit is contained in:
minoring 2020-09-05 22:11:16 +09:00
parent a251109090
commit de7396347f
1 changed files with 28 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

33
src/symboltable.rs
View file

@ -954,10 +954,10 @@ impl SymbolTableBuilder {
// Some checks:
let containing = table.symbols.contains_key(name);
if containing {
let symbol = table.symbols.get(name).unwrap();
// Role already set..
match role {
SymbolUsage::Global => {
let symbol = table.symbols.get(name).unwrap();
if let SymbolScope::Global = symbol.scope {
// Ok
} else {
@ -968,10 +968,33 @@ impl SymbolTableBuilder {
}
}
SymbolUsage::Nonlocal => {
return Err(SymbolTableError {
error: format!("name '{}' is used prior to nonlocal declaration", name),
location,
})
if symbol.is_parameter {
return Err(SymbolTableError {
error: format!("name '{}' is parameter and nonlocal", name),
location,
});
}
if symbol.is_referenced {
return Err(SymbolTableError {
error: format!("name '{}' is used prior to nonlocal declaration", name),
location,
});
}
if symbol.is_annotated {
return Err(SymbolTableError {
error: format!("annotated name '{}' can't be nonlocal", name),
location,
});
}
if symbol.is_assigned {
return Err(SymbolTableError {
error: format!(
"name '{}' is assigned to before nonlocal declaration",
name
),
location,
});
}
}
_ => {
// Ok?