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Merge pull request #17 from google/non-existing-string

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Protect location setting methods from writing to non-existing strings.
This commit is contained in:
John Kessenich 2015-07-15 14:03:33 -06:00
commit a417f01041
1 changed files with 4 additions and 2 deletions
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6
glslang/MachineIndependent/Scan.h
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@ -123,10 +123,12 @@ public:
}
// for #line override
void setLine(int newLine) { loc[currentSource].line = newLine; }
void setString(int newString) { loc[currentSource].string = newString; }
void setLine(int newLine) { loc[getLastValidSourceIndex()].line = newLine; }
void setString(int newString) { loc[getLastValidSourceIndex()].string = newString; }
const TSourceLoc& getSourceLoc() const { return loc[std::max(0, std::min(currentSource, numSources - finale - 1))]; }
// Returns the index (starting from 0) of the most recent valid source string we are reading from.
int getLastValidSourceIndex() const { return std::min(currentSource, numSources - 1); }
void consumeWhiteSpace(bool& foundNonSpaceTab);
bool consumeComment();