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Allocate objects on the stack if they (a) don't have a destructor, and (b) don't override the delete operator (on top of the regular conditions for stack allocation that also apply to arrays, structs, etc.). The "no destructor" clause is not strictly necessary, but calling them at the right time would be tricky to say the least; it would involve, among other things, "manually" inserting a try-finally block around anything that might throw exceptions not caught in the current function. Note: objects with custom new operators are automatically ignored because they don't use the regular allocation runtime call, so there's no need to pay special attention to them.
author Frits van Bommel <fvbommel wxs.nl>
date Sat, 09 May 2009 00:50:15 +0200
parents 7ce8355fbcc6
children 1311dabc6a1f
line wrap: on
line source

#ifndef LDC_CL_OPTIONS_H
#define LDC_CL_OPTIONS_H

#include "mars.h"

#include <deque>
#include <vector>

#include "llvm/Support/RegistryParser.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Support/CommandLine.h"

namespace opts {
    namespace cl = llvm::cl;

    /* Mostly generated with the following command:
       egrep -e '^(cl::|#if|#e)' gen/cl_options.cpp \
        | sed -re 's/^(cl::.*)\(.*$/    extern \1;/'
     */
    extern cl::list<std::string> fileList;
    extern cl::list<std::string> runargs;
    extern cl::opt<bool> compileOnly;
    extern cl::opt<bool> noAsm;
    extern cl::opt<bool> dontWriteObj;
    extern cl::opt<std::string> objectFile;
    extern cl::opt<std::string> objectDir;
    extern cl::opt<bool> output_bc;
    extern cl::opt<bool> output_ll;
    extern cl::opt<bool> output_s;
    extern cl::opt<cl::boolOrDefault> output_o;
    extern cl::opt<std::string> ddocDir;
    extern cl::opt<std::string> ddocFile;
#ifdef _DH
    extern cl::opt<std::string> hdrDir;
    extern cl::opt<std::string> hdrFile;
#endif
    extern cl::list<std::string> versions;

    extern cl::opt<const llvm::TargetMachineRegistry::entry*, false,
                    llvm::RegistryParser<llvm::TargetMachine> > mArch;
    extern cl::opt<bool> m32bits;
    extern cl::opt<bool> m64bits;
    extern cl::opt<std::string> mCPU;
    extern cl::list<std::string> mAttrs;
    extern cl::opt<std::string> mTargetTriple;
    extern cl::opt<bool> singleObj;

    // Arguments to -d-debug
    extern std::vector<std::string> debugArgs;
    // Arguments to -run
}
#endif