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fixed round brackets parsing bug

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This commit is contained in:
Marc Zinnschlag 2010-06-30 14:08:59 +02:00
parent ed92ffcf89
commit 73f9436ed9
2 changed files with 17 additions and 2 deletions
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17
components/compiler/exprparser.cpp
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@ -3,6 +3,7 @@
#include <stdexcept> #include <stdexcept>
#include <cassert> #include <cassert>
#include <algorithm>
#include "generator.hpp" #include "generator.hpp"
#include "scanner.hpp" #include "scanner.hpp"
@ -51,6 +52,11 @@ namespace Compiler
return mOperators[mOperators.size()-1]; return mOperators[mOperators.size()-1];
} }
bool ExprParser::isOpen() const
{
return std::find (mOperators.begin(), mOperators.end(), '(')!=mOperators.end();
}
void ExprParser::popOperator() void ExprParser::popOperator()
{ {
assert (!mOperators.empty()); assert (!mOperators.empty());
@ -293,8 +299,15 @@ namespace Compiler
if (code==Scanner::S_close && !mNextOperand) if (code==Scanner::S_close && !mNextOperand)
{ {
close(); if (isOpen())
return true; {
close();
return true;
}
mTokenLoc = loc;
scanner.putbackSpecial (code, loc);
return false;
} }
if (!mNextOperand) if (!mNextOperand)

2
components/compiler/exprparser.hpp
View file

@ -30,6 +30,8 @@ namespace Compiler
char getOperator() const; char getOperator() const;
bool isOpen() const;
void popOperator(); void popOperator();
void popOperand(); void popOperand();