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glslang front-end: Added a callback mechanism for #line/#pragma/#version/#extension. From Andrew Woloszyn <awoloszyn@google.com>.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31507 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2015-06-16 23:08:00 +00:00
parent 47632b7aaf
commit 9288f46b95
4 changed files with 65 additions and 24 deletions
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20
glslang/MachineIndependent/ParseHelper.h
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@ -42,6 +42,8 @@
#include "localintermediate.h"
#include "Scan.h"
#include <functional>
namespace glslang {
struct TPragma {
@ -198,9 +200,11 @@ public:
void addError() { ++numErrors; }
int getNumErrors() const { return numErrors; }
const TSourceLoc& getCurrentLoc() const { return currentScanner->getSourceLoc(); }
void setCurrentLine(int line) { currentScanner->setLine(line); }
void setCurrentLine(int line);
void setCurrentString(int string) { currentScanner->setString(string); }
void notifyVersion(int line, int version, const char* type_string);
// The following are implemented in Versions.cpp to localize version/profile/stage/extensions control
void initializeExtensionBehavior();
void requireProfile(TSourceLoc, int queryProfiles, const char* featureDesc);
@ -213,10 +217,15 @@ public:
void requireExtensions(TSourceLoc, int numExtensions, const char* const extensions[], const char* featureDesc);
TExtensionBehavior getExtensionBehavior(const char*);
bool extensionsTurnedOn(int numExtensions, const char* const extensions[]);
void updateExtensionBehavior(const char* const extension, const char* behavior);
void updateExtensionBehavior(int line, const char* const extension, const char* behavior);
void fullIntegerCheck(TSourceLoc, const char* op);
void doubleCheck(TSourceLoc, const char* op);
void setVersionCallback(const std::function<void(int, int, const char*)>& func) { versionCallback = func; }
void setPragmaCallback(const std::function<void(int, const TVector<TString>&)>& func) { pragmaCallback = func; }
void setLineCallback(const std::function<void(int)>& func) { lineCallback = func; }
void setExtensionCallback(const std::function<void(int, const char*, const char*)>& func) { extensionCallback = func; }
protected:
void nonInitConstCheck(TSourceLoc, TString& identifier, TType& type);
void inheritGlobalDefaults(TQualifier& dst) const;
@ -321,6 +330,13 @@ protected:
// array-sizing declarations
//
TVector<TSymbol*> ioArraySymbolResizeList;
// These, if set, will be called when a line, pragma ... is preprocessed.
// They will be called with any parameters to the original directive.
std::function<void(int)> lineCallback;
std::function<void(int, const TVector<TString>&)> pragmaCallback;
std::function<void(int, int, const char*)> versionCallback;
std::function<void(int, const char*, const char*)> extensionCallback;
};
} // end namespace glslang