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Change the ModuleProvider interface to not throw exceptions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29024 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-07-06 21:35:01 +00:00
parent fe030d7869
commit 0300f3e712
4 changed files with 50 additions and 35 deletions
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26
lib/Bytecode/Reader/ReaderWrappers.cpp
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@@ -170,7 +170,8 @@ static ModuleProvider* CheckVarargs(ModuleProvider* MP) {
// If we get to this point, we know that we have an old-style module.
// Materialize the whole thing to perform the rewriting.
MP->materializeModule();
if (MP->materializeModule() == 0)
return 0;
if(Function* F = M->getNamedFunction("llvm.va_start")) {
assert(F->arg_size() == 0 && "Obsolete va_start takes 0 argument!");
@@ -376,22 +377,18 @@ static void getSymbols(Module*M, std::vector<std::string>& symbols) {
// Get just the externally visible defined symbols from the bytecode
bool llvm::GetBytecodeSymbols(const sys::Path& fName,
std::vector<std::string>& symbols) {
try {
std::auto_ptr<ModuleProvider> AMP(
getBytecodeModuleProvider(fName.toString()));
std::auto_ptr<ModuleProvider> AMP(
getBytecodeModuleProvider(fName.toString()));
// Get the module from the provider
Module* M = AMP->materializeModule();
// Get the module from the provider
Module* M = AMP->materializeModule();
if (M == 0) return false;
// Get the symbols
getSymbols(M, symbols);
// Get the symbols
getSymbols(M, symbols);
// Done with the module
return true;
} catch (...) {
return false;
}
// Done with the module
return true;
}
ModuleProvider*
@@ -406,6 +403,7 @@ llvm::GetBytecodeSymbols(const unsigned char*Buffer, unsigned Length,
// Get the module from the provider
Module* M = MP->materializeModule();
if (M == 0) return 0;
// Get the symbols
getSymbols(M, symbols);