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Don't generate module definitions when the -fragment option is given.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28583 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-05-31 04:43:19 +00:00
parent 9d09b89f39
commit 25edc3565c
1 changed files with 59 additions and 51 deletions
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110
tools/llvm2cpp/CppWriter.cpp
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@ -71,7 +71,8 @@ public:
const Module* getModule() { return TheModule; }
void printModule(const Module *M);
void printModule();
void printFragment();
private:
void printTypes(const Module* M);
@ -321,60 +322,23 @@ CppWriter::getCppName(const Type* Ty)
return TypeNames[Ty] = name;
}
void CppWriter::printModule(const Module *M) {
Out << "\n// Module Construction\n";
Out << "Module* mod = new Module(\"";
if (!ModName.empty())
printEscapedString(ModName);
else if (M->getModuleIdentifier() == "-")
printEscapedString("<stdin>");
else
printEscapedString(M->getModuleIdentifier());
Out << "\");\n";
Out << "mod->setEndianness(";
switch (M->getEndianness()) {
case Module::LittleEndian: Out << "Module::LittleEndian);\n"; break;
case Module::BigEndian: Out << "Module::BigEndian);\n"; break;
case Module::AnyEndianness:Out << "Module::AnyEndianness);\n"; break;
}
Out << "mod->setPointerSize(";
switch (M->getPointerSize()) {
case Module::Pointer32: Out << "Module::Pointer32);\n"; break;
case Module::Pointer64: Out << "Module::Pointer64);\n"; break;
case Module::AnyPointerSize: Out << "Module::AnyPointerSize);\n"; break;
}
if (!M->getTargetTriple().empty())
Out << "mod->setTargetTriple(\"" << M->getTargetTriple() << "\");\n";
if (!M->getModuleInlineAsm().empty()) {
Out << "mod->setModuleInlineAsm(\"";
printEscapedString(M->getModuleInlineAsm());
Out << "\");\n";
}
// Loop over the dependent libraries and emit them.
Module::lib_iterator LI = M->lib_begin();
Module::lib_iterator LE = M->lib_end();
while (LI != LE) {
Out << "mod->addLibrary(\"" << *LI << "\");\n";
++LI;
}
void CppWriter::printFragment() {
// Print out all the type definitions
Out << "\n// Type Definitions\n";
printTypes(M);
printTypes(TheModule);
// Functions can call each other and global variables can reference them so
// define all the functions first before emitting their function bodies.
Out << "\n// Function Declarations\n";
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
I != E; ++I)
printFunctionHead(I);
// Process the global variables declarations. We can't initialze them until
// after the constants are printed so just print a header for each global
Out << "\n// Global Variable Declarations\n";
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
for (Module::const_global_iterator I = TheModule->global_begin(),
E = TheModule->global_end(); I != E; ++I) {
printGlobalHead(I);
}
@ -382,20 +346,21 @@ void CppWriter::printModule(const Module *M) {
// through GlobalValues. All GlobalValues have been declared at this point
// so we can proceed to generate the constants.
Out << "\n// Constant Definitions\n";
printConstants(M);
printConstants(TheModule);
// Process the global variables definitions now that all the constants have
// been emitted. These definitions just couple the gvars with their constant
// initializers.
Out << "\n// Global Variable Definitions\n";
for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I) {
for (Module::const_global_iterator I = TheModule->global_begin(),
E = TheModule->global_end(); I != E; ++I) {
printGlobalBody(I);
}
// Finally, we can safely put out all of the function bodies.
Out << "\n// Function Definitions\n";
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) {
for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
I != E; ++I) {
if (!I->isExternal()) {
Out << "\n// Function: " << I->getName() << " (" << getCppName(I)
<< ")\n{\n";
@ -405,6 +370,48 @@ void CppWriter::printModule(const Module *M) {
}
}
void CppWriter::printModule() {
Out << "\n// Module Construction\n";
Out << "Module* mod = new Module(\"";
if (!ModName.empty())
printEscapedString(ModName);
else if (TheModule->getModuleIdentifier() == "-")
printEscapedString("<stdin>");
else
printEscapedString(TheModule->getModuleIdentifier());
Out << "\");\n";
Out << "mod->setEndianness(";
switch (TheModule->getEndianness()) {
case Module::LittleEndian: Out << "Module::LittleEndian);\n"; break;
case Module::BigEndian: Out << "Module::BigEndian);\n"; break;
case Module::AnyEndianness:Out << "Module::AnyEndianness);\n"; break;
}
Out << "mod->setPointerSize(";
switch (TheModule->getPointerSize()) {
case Module::Pointer32: Out << "Module::Pointer32);\n"; break;
case Module::Pointer64: Out << "Module::Pointer64);\n"; break;
case Module::AnyPointerSize: Out << "Module::AnyPointerSize);\n"; break;
}
if (!TheModule->getTargetTriple().empty())
Out << "mod->setTargetTriple(\"" << TheModule->getTargetTriple()
<< "\");\n";
if (!TheModule->getModuleInlineAsm().empty()) {
Out << "mod->setModuleInlineAsm(\"";
printEscapedString(TheModule->getModuleInlineAsm());
Out << "\");\n";
}
// Loop over the dependent libraries and emit them.
Module::lib_iterator LI = TheModule->lib_begin();
Module::lib_iterator LE = TheModule->lib_end();
while (LI != LE) {
Out << "mod->addLibrary(\"" << *LI << "\");\n";
++LI;
}
printFragment();
}
void
CppWriter::printCallingConv(unsigned cc){
// Print the calling convention.
@ -1303,13 +1310,14 @@ CppWriter::printInstruction(const Instruction *I, const std::string& bbname)
namespace llvm {
void WriteModuleToCppFile(Module* mod, std::ostream& o) {
o << "// Generated by llvm2cpp - DO NOT MODIFY!\n\n";
std::string fname = FuncName.getValue();
if (fname.empty())
fname = "makeLLVMModule";
if (Fragment) {
o << "Module* " << fname << "() {\n";
o << "Module* " << fname << "(Module *mod) {\n";
CppWriter W(o, mod);
W.printModule(mod);
W.printFragment();
o << "return mod;\n";
o << "}\n";
} else {
@ -1342,7 +1350,7 @@ void WriteModuleToCppFile(Module* mod, std::ostream& o) {
o << "}\n\n";
o << "Module* " << fname << "() {\n";
CppWriter W(o, mod);
W.printModule(mod);
W.printModule();
o << "return mod;\n";
o << "}\n";
}