Add partial CFG support for Objective-C exception-handling blocks. We basically
assume that @catch blocks are never executed. llvm-svn: 68072
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@ -129,10 +129,13 @@ public:
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return Block;
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return Block;
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}
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}
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CFGBlock* VisitObjCAtTryStmt(ObjCAtTryStmt* S) { return NYS(); }
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CFGBlock* VisitObjCAtTryStmt(ObjCAtTryStmt* S);
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CFGBlock* VisitObjCAtCatchStmt(ObjCAtCatchStmt* S) { return NYS(); }
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CFGBlock* VisitObjCAtCatchStmt(ObjCAtCatchStmt* S) {
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CFGBlock* VisitObjCAtFinallyStmt(ObjCAtFinallyStmt* S) { return NYS(); }
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// FIXME: For now we pretend that @catch and the code it contains
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// does not exit.
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return Block;
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}
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// FIXME: This is not completely supported. We basically @throw like
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// FIXME: This is not completely supported. We basically @throw like
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// a 'return'.
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// a 'return'.
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CFGBlock* VisitObjCAtThrowStmt(ObjCAtThrowStmt* S);
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CFGBlock* VisitObjCAtThrowStmt(ObjCAtThrowStmt* S);
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@ -888,7 +891,17 @@ CFGBlock* CFGBuilder::VisitObjCForCollectionStmt(ObjCForCollectionStmt* S) {
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Block = createBlock();
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Block = createBlock();
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return addStmt(S->getCollection());
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return addStmt(S->getCollection());
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}
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}
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CFGBlock* CFGBuilder::VisitObjCAtTryStmt(ObjCAtTryStmt* S) {
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// Process the statements of the @finally block.
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if (ObjCAtFinallyStmt *FS = S->getFinallyStmt())
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Visit(FS->getFinallyBody());
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// FIXME: Handle the @catch statements.
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// Process the try body
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return Visit(S->getTryBody());
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}
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CFGBlock* CFGBuilder::VisitWhileStmt(WhileStmt* W) {
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CFGBlock* CFGBuilder::VisitWhileStmt(WhileStmt* W) {
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// "while" is a control-flow statement. Thus we stop processing the
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// "while" is a control-flow statement. Thus we stop processing the
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