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Improve robustness for symbol downcasts by moving to a "getAs" infrastructure and doing more error checking.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20609 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-02-14 19:02:23 +00:00
parent e25cd0447d
commit fb5f7eadfa
5 changed files with 104 additions and 77 deletions
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14
glslang/MachineIndependent/SymbolTable.h
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@ -65,6 +65,8 @@
//
// Symbol base class. (Can build functions or variables out of these...)
//
class TVariable;
class TFunction;
class TSymbol {
public:
POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
@ -72,8 +74,8 @@ public:
virtual ~TSymbol() { /* don't delete name, it's from the pool */ }
const TString& getName() const { return *name; }
virtual const TString& getMangledName() const { return getName(); }
virtual bool isFunction() const { return false; }
virtual bool isVariable() const { return false; }
virtual TFunction* getAsFunction() { return 0; }
virtual TVariable* getAsVariable() { return 0; }
void setUniqueId(int id) { uniqueId = id; }
int getUniqueId() const { return uniqueId; }
virtual void dump(TInfoSink &infoSink) const = 0;
@ -99,7 +101,7 @@ class TVariable : public TSymbol {
public:
TVariable(const TString *name, const TType& t, bool uT = false ) : TSymbol(name), type(t), userType(uT), unionArray(0), arrayInformationType(0) { }
virtual ~TVariable() { }
virtual bool isVariable() const { return true; }
virtual TVariable* getAsVariable() { return this; }
TType& getType() { return type; }
const TType& getType() const { return type; }
bool isUserType() const { return userType; }
@ -109,14 +111,14 @@ public:
virtual void dump(TInfoSink &infoSink) const;
constUnion* getConstPointer() {
constUnion* getConstUnionPointer() {
if (!unionArray)
unionArray = new constUnion[type.getObjectSize()];
return unionArray;
}
constUnion* getConstPointer() const { return unionArray; }
constUnion* getConstUnionPointer() const { return unionArray; }
void shareConstPointer( constUnion *constArray)
{
@ -166,7 +168,7 @@ public:
defined(false) { }
TFunction(const TFunction&, const TStructureMap& remapper);
virtual ~TFunction();
virtual bool isFunction() const { return true; }
virtual TFunction* getAsFunction() { return this; }
void addParameter(TParameter& p)
{