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vlindex: fix parsing for constraint_block #924

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vlindex: fix parsing for constraint_block #924

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vlindex: fix parsing for constraint_block
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@kroening
kroening committed Jan 6, 2025
commit f83443d2e16f51851f0807aa6cd750992d82bfd4
25 changes: 21 additions & 4 deletions src/vlindex/vlindex_parser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -932,14 +932,31 @@ void verilog_indexer_parsert::rConstraint()
next_token(); // static
}

next_token(); // constraint
auto constraint_token = next_token(); // constraint
PRECONDITION(constraint_token == TOK_CONSTRAINT);

next_token(); // identifier

if(next_token() != '{') // onstraint_block
return; // error
// constraint_block
auto first = next_token();
if(first != '{')
return; // error
std::size_t count = 1;

skip_until('}');
while(true)
{
auto token = next_token();
if(token.is_eof())
return;
else if(token == '{')
count++;
else if(token == '}')
{
if(count == 1)
return;
count--;
}
}
}

void verilog_indexer_parsert::rContinuousAssign()
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