maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[lldb][NFC] Early exit in ClangASTContext::CreateInstance

This commit is contained in:
Raphael Isemann 2019-11-29 12:40:19 +01:00
parent 656a8123de
commit 76016f9b3a
1 changed files with 38 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
lldb/source/Symbol/ClangASTContext.cpp
View File

@ -562,48 +562,48 @@ uint32_t ClangASTContext::GetPluginVersion() { return 1; }
lldb::TypeSystemSP ClangASTContext::CreateInstance(lldb::LanguageType language,
lldb_private::Module *module,
Target *target) {
if (ClangASTContextSupportsLanguage(language)) {
ArchSpec arch;
if (module)
arch = module->GetArchitecture();
else if (target)
arch = target->GetArchitecture();
if (!ClangASTContextSupportsLanguage(language))
return lldb::TypeSystemSP();
ArchSpec arch;
if (module)
arch = module->GetArchitecture();
else if (target)
arch = target->GetArchitecture();
if (arch.IsValid()) {
ArchSpec fixed_arch = arch;
// LLVM wants this to be set to iOS or MacOSX; if we're working on
// a bare-boards type image, change the triple for llvm's benefit.
if (fixed_arch.GetTriple().getVendor() == llvm::Triple::Apple &&
fixed_arch.GetTriple().getOS() == llvm::Triple::UnknownOS) {
if (fixed_arch.GetTriple().getArch() == llvm::Triple::arm ||
fixed_arch.GetTriple().getArch() == llvm::Triple::aarch64 ||
fixed_arch.GetTriple().getArch() == llvm::Triple::aarch64_32 ||
fixed_arch.GetTriple().getArch() == llvm::Triple::thumb) {
fixed_arch.GetTriple().setOS(llvm::Triple::IOS);
} else {
fixed_arch.GetTriple().setOS(llvm::Triple::MacOSX);
}
}
if (!arch.IsValid())
return lldb::TypeSystemSP();
if (module) {
std::shared_ptr<ClangASTContext> ast_sp(
new ClangASTContext(fixed_arch));
return ast_sp;
} else if (target && target->IsValid()) {
std::shared_ptr<ClangASTContextForExpressions> ast_sp(
new ClangASTContextForExpressions(*target, fixed_arch));
ast_sp->m_scratch_ast_source_up.reset(
new ClangASTSource(target->shared_from_this()));
lldbassert(ast_sp->getFileManager());
ast_sp->m_scratch_ast_source_up->InstallASTContext(
*ast_sp->getASTContext(), *ast_sp->getFileManager(), true);
llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> proxy_ast_source(
ast_sp->m_scratch_ast_source_up->CreateProxy());
ast_sp->SetExternalSource(proxy_ast_source);
return ast_sp;
}
ArchSpec fixed_arch = arch;
// LLVM wants this to be set to iOS or MacOSX; if we're working on
// a bare-boards type image, change the triple for llvm's benefit.
if (fixed_arch.GetTriple().getVendor() == llvm::Triple::Apple &&
fixed_arch.GetTriple().getOS() == llvm::Triple::UnknownOS) {
if (fixed_arch.GetTriple().getArch() == llvm::Triple::arm ||
fixed_arch.GetTriple().getArch() == llvm::Triple::aarch64 ||
fixed_arch.GetTriple().getArch() == llvm::Triple::aarch64_32 ||
fixed_arch.GetTriple().getArch() == llvm::Triple::thumb) {
fixed_arch.GetTriple().setOS(llvm::Triple::IOS);
} else {
fixed_arch.GetTriple().setOS(llvm::Triple::MacOSX);
}
}
if (module) {
std::shared_ptr<ClangASTContext> ast_sp(new ClangASTContext(fixed_arch));
return ast_sp;
} else if (target && target->IsValid()) {
std::shared_ptr<ClangASTContextForExpressions> ast_sp(
new ClangASTContextForExpressions(*target, fixed_arch));
ast_sp->m_scratch_ast_source_up.reset(
new ClangASTSource(target->shared_from_this()));
lldbassert(ast_sp->getFileManager());
ast_sp->m_scratch_ast_source_up->InstallASTContext(
*ast_sp->getASTContext(), *ast_sp->getFileManager(), true);
llvm::IntrusiveRefCntPtr<clang::ExternalASTSource> proxy_ast_source(
ast_sp->m_scratch_ast_source_up->CreateProxy());
ast_sp->SetExternalSource(proxy_ast_source);
return ast_sp;
}
return lldb::TypeSystemSP();
}