lib/codegen/HandlerEmitter.h

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//===-- codegen/HandlerEmitter.h ------------------------------ -*- C++ -*-===//
//
// This file is distributed under the MIT license. See LICENSE.txt for details.
//
// Copyright (C) 2009, Stephen Wilson
//
//===----------------------------------------------------------------------===//

#ifndef COMMA_CODEGEN_HANDLEREMITTER_HDR_GUARD
#define COMMA_CODEGEN_HANDLEREMITTER_HDR_GUARD

//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//

namespace llvm {

class BasicBlock;

} // end llvm namespace.

namespace comma {

class CodeGenRoutine;
class SRFrame;
class StmtSequence;

//===----------------------------------------------------------------------===//
// Handler
//
class HandlerEmitter {

public:
    HandlerEmitter(CodeGenRoutine &CGR);

    void emitHandlers(StmtSequence *seq, llvm::BasicBlock *mergeBB = 0);

private:
    CodeGenRoutine &CGR;
    CodeGen &CG;
    CommaRT &RT;

    SRFrame *frame();

    llvm::Value *emitSelector(llvm::Value *exception, StmtSequence *sequence);
};

} // end comma namespace.

#endif

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