Implement the full scheme for ES precision qualifiers, generalizing existing storage qualifiers to be able to include multiple independent kinds of qualifiers.
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20317 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich
parent
674014bfc4
commit
5521862729
15 changed files with 661 additions and 463 deletions
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@ -56,13 +56,20 @@ inline TTypeList* NewPoolTTypeList()
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//
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// This is a workaround for a problem with the yacc stack, It can't have
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// types that it thinks have non-trivial constructors. It should
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// types that it thinks have non-trivial constructors. It should
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// just be used while recognizing the grammar, not anything else. Pointers
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// could be used, but also trying to avoid lots of memory management overhead.
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//
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// Not as bad as it looks, there is no actual assumption that the fields
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// match up or are name the same or anything like that.
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//
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class TQualifier {
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public:
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TStorageQualifier storage : 7;
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TPrecisionQualifier precision : 3;
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};
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class TPublicType {
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public:
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TBasicType type;
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@ -74,10 +81,9 @@ public:
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TType* userDef;
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int line;
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void setBasic(TBasicType bt, TQualifier q, int ln = 0)
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{
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type = bt;
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qualifier = q;
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void initType(int ln = 0)
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{
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type = EbtVoid;
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size = 1;
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matrix = false;
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array = false;
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@ -86,6 +92,18 @@ public:
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line = ln;
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}
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void initQualifiers(bool global = false)
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{
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qualifier.storage = global ? EvqGlobal : EvqTemporary;
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qualifier.precision = EpqNone;
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}
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void init(int line = 0, bool global = false)
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{
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initType(line);
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initQualifiers(global);
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}
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void setAggregate(int s, bool m = false)
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{
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size = s;
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@ -107,22 +125,28 @@ typedef std::map<TTypeList*, TTypeList*>::iterator TStructureMapIterator;
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class TType {
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public:
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POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
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explicit TType(TBasicType t, TQualifier q = EvqTemporary, int s = 1, bool m = false, bool a = false) :
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type(t), qualifier(q), size(s), matrix(m), array(a), arraySize(0),
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structure(0), structureSize(0), maxArraySize(0), arrayInformationType(0), fieldName(0), mangled(0), typeName(0)
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{ }
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explicit TType(TBasicType t, TStorageQualifier q = EvqTemporary, int s = 1, bool m = false, bool a = false) :
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type(t), size(s), matrix(m), array(a), arraySize(0),
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structure(0), structureSize(0), maxArraySize(0), arrayInformationType(0),
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fieldName(0), mangled(0), typeName(0) {
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qualifier.storage = q;
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qualifier.precision = EpqNone;
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}
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explicit TType(const TPublicType &p) :
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type(p.type), qualifier(p.qualifier), size(p.size), matrix(p.matrix), array(p.array), arraySize(p.arraySize),
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type(p.type), size(p.size), matrix(p.matrix), array(p.array), arraySize(p.arraySize),
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structure(0), structureSize(0), maxArraySize(0), arrayInformationType(0), fieldName(0), mangled(0), typeName(0)
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{
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if (p.userDef) {
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structure = p.userDef->getStruct();
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typeName = NewPoolTString(p.userDef->getTypeName().c_str());
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}
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qualifier = p.qualifier;
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if (p.userDef) {
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structure = p.userDef->getStruct();
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typeName = NewPoolTString(p.userDef->getTypeName().c_str());
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}
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}
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explicit TType(TTypeList* userDef, const TString& n) :
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type(EbtStruct), qualifier(EvqTemporary), size(1), matrix(false), array(false), arraySize(0),
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type(EbtStruct), size(1), matrix(false), array(false), arraySize(0),
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structure(userDef), maxArraySize(0), arrayInformationType(0), fieldName(0), mangled(0) {
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qualifier.storage = EvqTemporary;
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qualifier.precision = EpqNone;
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typeName = NewPoolTString(n.c_str());
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}
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explicit TType() {}
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@ -180,47 +204,47 @@ public:
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return newType;
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}
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virtual void setType(TBasicType t, int s, bool m, bool a, int aS = 0)
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{ type = t; size = s; matrix = m; array = a; arraySize = aS; }
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virtual void setType(TBasicType t, int s, bool m, TType* userDef = 0)
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{ type = t;
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size = s;
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matrix = m;
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{ type = t;
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size = s;
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matrix = m;
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if (userDef)
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structure = userDef->getStruct();
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structure = userDef->getStruct();
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// leave array information intact.
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}
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virtual void setTypeName(const TString& n) { typeName = NewPoolTString(n.c_str()); }
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virtual void setFieldName(const TString& n) { fieldName = NewPoolTString(n.c_str()); }
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virtual const TString& getTypeName() const
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{
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{
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assert(typeName);
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return *typeName;
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return *typeName;
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}
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virtual const TString& getFieldName() const
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{
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{
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assert(fieldName);
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return *fieldName;
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return *fieldName;
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}
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virtual TBasicType getBasicType() const { return type; }
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virtual TQualifier getQualifier() const { return qualifier; }
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virtual void changeQualifier(TQualifier q) { qualifier = q; }
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virtual TQualifier& getQualifier() { return qualifier; }
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virtual const TQualifier& getQualifier() const { return qualifier; }
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// One-dimensional size of single instance type
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virtual int getNominalSize() const { return size; }
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virtual int getNominalSize() const { return size; }
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// Full-dimensional size of single instance of type
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virtual int getInstanceSize() const
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virtual int getInstanceSize() const
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{
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if (matrix)
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return size * size;
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else
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return size;
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}
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virtual bool isMatrix() const { return matrix ? true : false; }
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virtual bool isArray() const { return array ? true : false; }
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int getArraySize() const { return arraySize; }
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@ -251,18 +275,19 @@ public:
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}
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}
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const char* getBasicString() const { return TType::getBasicString(type); }
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const char* getQualifierString() const { return ::getQualifierString(qualifier); }
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const char* getStorageQualifierString() const { return ::getStorageQualifierString(qualifier.storage); }
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const char* getPrecisionQualifierString() const { return ::getPrecisionQualifierString(qualifier.precision); }
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TTypeList* getStruct() { return structure; }
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int getObjectSize() const
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{
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int totalSize;
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if (getBasicType() == EbtStruct)
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totalSize = getStructSize();
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else if (matrix)
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totalSize = size * size;
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else
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totalSize = size * size;
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else
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totalSize = size;
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if (isArray())
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@ -275,10 +300,10 @@ public:
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TString& getMangledName() {
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if (!mangled) {
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mangled = NewPoolTString("");
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buildMangledName(*mangled);
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buildMangledName(*mangled);
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*mangled += ';' ;
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}
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return *mangled;
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}
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bool sameElementType(const TType& right) const {
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@ -299,16 +324,17 @@ public:
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return !operator==(right);
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}
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TString getCompleteString() const;
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protected:
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void buildMangledName(TString&);
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int getStructSize() const;
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TBasicType type : 6;
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TQualifier qualifier : 7;
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TBasicType type : 8;
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int size : 8; // size of vector or matrix, not size of array
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unsigned int matrix : 1;
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unsigned int array : 1;
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TQualifier qualifier;
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int arraySize;
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TTypeList* structure; // 0 unless this is a struct
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