Non-functional: Rationalizing parse helper hierarchy, step 2 (effected error messaging and cascading errors).

This commit is contained in:
John Kessenich
2016-10-01 18:07:57 -06:00
parent 273060c2d3
commit a2a5dd474e
7 changed files with 86 additions and 165 deletions

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@@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "Overload400-PrecQual.1546"
#define GLSLANG_REVISION "Overload400-PrecQual.1547"
#define GLSLANG_DATE "01-Oct-2016"

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@@ -36,12 +36,83 @@
// Implement the TParseContextBase class.
#include <cstdarg>
#include "ParseHelper.h"
extern int yyparse(glslang::TParseContext*);
namespace glslang {
//
// Used to output syntax, parsing, and semantic errors.
//
void TParseContextBase::outputMessage(const TSourceLoc& loc, const char* szReason,
const char* szToken,
const char* szExtraInfoFormat,
TPrefixType prefix, va_list args)
{
const int maxSize = MaxTokenLength + 200;
char szExtraInfo[maxSize];
safe_vsprintf(szExtraInfo, maxSize, szExtraInfoFormat, args);
infoSink.info.prefix(prefix);
infoSink.info.location(loc);
infoSink.info << "'" << szToken << "' : " << szReason << " " << szExtraInfo << "\n";
if (prefix == EPrefixError) {
++numErrors;
}
}
void C_DECL TParseContextBase::error(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
if (messages & EShMsgOnlyPreprocessor)
return;
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixError, args);
va_end(args);
if ((messages & EShMsgCascadingErrors) == 0)
currentScanner->setEndOfInput();
}
void C_DECL TParseContextBase::warn(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
if (suppressWarnings())
return;
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixWarning, args);
va_end(args);
}
void C_DECL TParseContextBase::ppError(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixError, args);
va_end(args);
if ((messages & EShMsgCascadingErrors) == 0)
currentScanner->setEndOfInput();
}
void C_DECL TParseContextBase::ppWarn(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixWarning, args);
va_end(args);
}
// Select the best matching function for 'call' from 'candidateList'.
//
// Assumptions
@@ -235,7 +306,6 @@ bool TParseContextBase::insertGlobalUniformBlock()
}
return inserted;
}
} // end namespace glslang

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@@ -39,7 +39,6 @@
#include "Scan.h"
#include "../OSDependent/osinclude.h"
#include <cstdarg>
#include <algorithm>
#include "preprocessor/PpContext.h"
@@ -362,81 +361,6 @@ bool TParseContext::parseVectorFields(const TSourceLoc& loc, const TString& comp
return true;
}
///////////////////////////////////////////////////////////////////////
//
// Errors
//
////////////////////////////////////////////////////////////////////////
//
// Used to output syntax, parsing, and semantic errors.
//
void TParseContext::outputMessage(const TSourceLoc& loc, const char* szReason,
const char* szToken,
const char* szExtraInfoFormat,
TPrefixType prefix, va_list args)
{
const int maxSize = MaxTokenLength + 200;
char szExtraInfo[maxSize];
safe_vsprintf(szExtraInfo, maxSize, szExtraInfoFormat, args);
infoSink.info.prefix(prefix);
infoSink.info.location(loc);
infoSink.info << "'" << szToken << "' : " << szReason << " " << szExtraInfo << "\n";
if (prefix == EPrefixError) {
++numErrors;
}
}
void C_DECL TParseContext::error(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
if (messages & EShMsgOnlyPreprocessor)
return;
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixError, args);
va_end(args);
if ((messages & EShMsgCascadingErrors) == 0)
currentScanner->setEndOfInput();
}
void C_DECL TParseContext::warn(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
if (suppressWarnings())
return;
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixWarning, args);
va_end(args);
}
void C_DECL TParseContext::ppError(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixError, args);
va_end(args);
if ((messages & EShMsgCascadingErrors) == 0)
currentScanner->setEndOfInput();
}
void C_DECL TParseContext::ppWarn(const TSourceLoc& loc, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...)
{
va_list args;
va_start(args, szExtraInfoFormat);
outputMessage(loc, szReason, szToken, szExtraInfoFormat, EPrefixWarning, args);
va_end(args);
}
//
// Handle seeing a variable identifier in the grammar.
//

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@@ -82,8 +82,17 @@ public:
globalUniformBlock(nullptr) { }
virtual ~TParseContextBase() { }
void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void C_DECL warn(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void C_DECL ppError(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void C_DECL ppWarn(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
virtual void setLimits(const TBuiltInResource&) = 0;
EShLanguage getLanguage() const { return language; }
TIntermAggregate*& getLinkage() { return linkage; }
void setScanContext(TScanContext* c) { scanContext = c; }
@@ -162,6 +171,9 @@ protected:
// override this to set the language-specific name
virtual const char* getGlobalUniformBlockName() { return ""; }
virtual void finalizeGlobalUniformBlockLayout(TVariable&) { }
void outputMessage(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, TPrefixType prefix,
va_list args);
};
//
@@ -216,15 +228,6 @@ public:
bool parseShaderStrings(TPpContext&, TInputScanner& input, bool versionWillBeError = false);
void parserError(const char* s); // for bison's yyerror
void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void C_DECL warn(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void C_DECL ppError(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void C_DECL ppWarn(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, ...);
void reservedErrorCheck(const TSourceLoc&, const TString&);
void reservedPpErrorCheck(const TSourceLoc&, const char* name, const char* op);
bool lineContinuationCheck(const TSourceLoc&, bool endOfComment);
@@ -366,9 +369,6 @@ protected:
TIntermNode* executeInitializer(const TSourceLoc&, TIntermTyped* initializer, TVariable* variable);
TIntermTyped* convertInitializerList(const TSourceLoc&, const TType&, TIntermTyped* initializer);
void finalErrorCheck();
void outputMessage(const TSourceLoc&, const char* szReason, const char* szToken,
const char* szExtraInfoFormat, TPrefixType prefix,
va_list args);
public:
//