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Merge pull request #461 from dankbaker/Error_Message_Fixes_for_HLSL

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HLSL: Better error message for when HLSL translation fails
This commit is contained in:
John Kessenich 2016-08-23 17:48:14 -06:00 committed by GitHub
commit 98f164ec48
2 changed files with 27 additions and 5 deletions
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23
StandAlone/StandAlone.cpp
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@ -412,7 +412,26 @@ void StderrIfNonEmpty(const char* str)
struct ShaderCompUnit {
EShLanguage stage;
std::string fileName;
char** text; // memory owned/managed externally
char** text; // memory owned/managed externally
const char* fileNameList[1];
//Need to have a special constructors to adjust the fileNameList, since back end needs a list of ptrs
ShaderCompUnit(EShLanguage istage, std::string &ifileName, char** itext)
{
stage = istage;
fileName = ifileName;
text = itext;
fileNameList[0] = fileName.c_str();
}
ShaderCompUnit(const ShaderCompUnit &rhs)
{
stage = rhs.stage;
fileName = rhs.fileName;
text = rhs.text;
fileNameList[0] = fileName.c_str();
}
};
//
@ -439,7 +458,7 @@ void CompileAndLinkShaderUnits(std::vector<ShaderCompUnit> compUnits)
for (auto it = compUnits.cbegin(); it != compUnits.cend(); ++it) {
const auto &compUnit = *it;
glslang::TShader* shader = new glslang::TShader(compUnit.stage);
shader->setStrings(compUnit.text, 1);
shader->setStringsWithLengthsAndNames(compUnit.text, NULL, compUnit.fileNameList, 1);
if (entryPointName) // HLSL todo: this needs to be tracked per compUnits
shader->setEntryPoint(entryPointName);
shaders.push_back(shader);

9
hlsl/hlslParseHelper.cpp
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@ -116,9 +116,12 @@ bool HlslParseContext::parseShaderStrings(TPpContext& ppContext, TInputScanner&
HlslScanContext scanContext(*this, ppContext);
HlslGrammar grammar(scanContext, *this);
if (! grammar.parse())
printf("HLSL translation failed.\n");
if (!grammar.parse())
{
//Print out a nicer error message that should be formated such that if you click on the message it will take you right to the line through most UIs
const glslang::TSourceLoc& sourceLoc = input.getSourceLoc();
printf("\n%s(%i): error at column %i, HLSL translation failed.\n", sourceLoc.name, sourceLoc.line, sourceLoc.column);
}
return numErrors == 0;
}