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Fix attribute parsing #4530

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merged 2 commits into from
Jul 18, 2024
Merged

Fix attribute parsing #4530

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e922217
Add test cases
tothtamas28 Jul 18, 2024
cd9eda9
Fix `_maybe_att`
tothtamas28 Jul 18, 2024
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11 changes: 7 additions & 4 deletions pyk/src/pyk/kast/outer_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -379,10 +379,13 @@ def _maybe_att(self) -> Att:
value: str
if self._la.type == TokenType.LPAREN:
self._consume()
if self._la.type is TokenType.ATTR_CONTENT:
value = self._consume()
else:
value = _dequote_string(self._match(TokenType.STRING))
match self._la.type:
case TokenType.ATTR_CONTENT:
value = self._consume()
case TokenType.STRING:
value = _dequote_string(self._consume())
case _:
value = ''
self._match(TokenType.RPAREN)
else:
value = ''
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20 changes: 20 additions & 0 deletions pyk/src/tests/unit/kast/test_outer_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,26 @@
'syntax Foo ::= "foo"',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((Terminal('foo'),)),)),)),
),
(
'syntax Foo ::= "foo" [symbol]',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((Terminal('foo'),), att=Att((('symbol', ''),))),)),)),
),
(
'syntax Foo ::= "foo" [symbol()]',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((Terminal('foo'),), att=Att((('symbol', ''),))),)),)),
),
(
'syntax Foo ::= "foo" [symbol("")]',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((Terminal('foo'),), att=Att((('symbol', ''),))),)),)),
),
(
'syntax Foo ::= "foo" [symbol(foo)]',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((Terminal('foo'),), att=Att((('symbol', 'foo'),))),)),)),
),
(
'syntax Foo ::= "foo" [symbol("foo")]',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((Terminal('foo'),), att=Att((('symbol', 'foo'),))),)),)),
),
(
'syntax Foo ::= Bar',
SyntaxDefn(SortDecl('Foo'), (PriorityBlock((Production((NonTerminal(Sort('Bar')),)),)),)),
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