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Implement barrier() control-flow rules: in flow control, non-main, and post-return.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@29347 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2015-01-07 06:14:06 +00:00
parent cbc7dd979a
commit 05a62bf528
8 changed files with 426 additions and 181 deletions
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8
glslang/MachineIndependent/ParseHelper.h
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@ -101,6 +101,7 @@ public:
TFunction* handleFunctionDeclarator(TSourceLoc loc, TFunction& function, bool prototype);
TIntermAggregate* handleFunctionDefinition(TSourceLoc, TFunction&);
TIntermTyped* handleFunctionCall(TSourceLoc, TFunction*, TIntermNode*);
void checkLocation(TSourceLoc, TOperator);
TIntermTyped* handleLengthMethod(TSourceLoc, TFunction*, TIntermNode*);
void addInputArgumentConversions(const TFunction&, TIntermNode*&) const;
TIntermTyped* addOutputArgumentConversions(const TFunction&, TIntermAggregate&) const;
@ -245,9 +246,12 @@ public:
struct TPragma contextPragma;
int loopNestingLevel; // 0 if outside all loops
int structNestingLevel; // 0 if outside blocks and structures
int controlFlowNestingLevel; // 0 if outside all flow control or compound statements; also counts compound statements
int controlFlowNestingLevel; // 0 if outside all flow control
int statementNestingLevel; // 0 if outside all flow control or compound statements
TList<TIntermSequence*> switchSequenceStack; // case, node, case, case, node, ...; ensure only one node between cases; stack of them for nesting
TList<int> switchLevel; // the controlFlowNestingLevel the current switch statement is at, which must match the level of its case statements
TList<int> switchLevel; // the statementNestingLevel the current switch statement is at, which must match the level of its case statements
bool inMain; // if inside a function, true if the function is main
bool postMainReturn; // if inside a function, true if the function is main and this is after a return statement
const TType* currentFunctionType; // the return type of the function that's currently being parsed
bool functionReturnsValue; // true if a non-void function has a return
const TString* blockName;