Add clang -cc1 parsing for preprocessor options.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89917 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/CC1Options.cpp b/lib/Driver/CC1Options.cpp
index 5227847..3a5cc54 100644
--- a/lib/Driver/CC1Options.cpp
+++ b/lib/Driver/CC1Options.cpp
@@ -13,6 +13,7 @@
#include "clang/Driver/OptTable.h"
#include "clang/Driver/Option.h"
#include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Frontend/PCHReader.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/SmallVector.h"
@@ -356,7 +357,7 @@
static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
using namespace cc1options;
- Opts.Sysroot = getLastArgValue(Args, OPT_isysroot);
+ Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/");
Opts.Verbose = Args.hasArg(OPT_v);
Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc);
Opts.BuiltinIncludePath = "";
@@ -401,6 +402,43 @@
}
static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args) {
+ using namespace cc1options;
+ Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch);
+ Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth);
+ Opts.TokenCache = getLastArgValue(Args, OPT_token_cache);
+ Opts.UsePredefines = !Args.hasArg(OPT_undef);
+
+ // Add macros from the command line.
+ for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if (it->getOption().matches(OPT_D))
+ Opts.addMacroDef(it->getValue(Args));
+ else
+ Opts.addMacroUndef(it->getValue(Args));
+ }
+
+ Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros);
+
+ // Add the ordered list of -includes.
+ for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch,
+ OPT_include_pth),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ // PCH is handled specially, we need to extra the original include path.
+ if (it->getOption().matches(OPT_include_pch)) {
+ // FIXME: Disabled for now, I don't want to incur the cost of linking in
+ // Sema and all until we are actually going to use it. Alternatively this
+ // could be factored out somehow.
+ // PCHReader::getOriginalSourceFile(it->getValue(Args));
+ std::string OriginalFile = "FIXME";
+
+ // FIXME: Don't fail like this.
+ if (OriginalFile.empty())
+ exit(1);
+
+ Opts.Includes.push_back(OriginalFile);
+ } else
+ Opts.Includes.push_back(it->getValue(Args));
+ }
}
static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 092c0e2..be9bab1 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -470,28 +470,34 @@
static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts,
std::vector<std::string> &Res) {
for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i)
- Res.push_back((Opts.Macros[i].second ? "-U" : "-D") + Opts.Macros[i].first);
+ Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") +
+ Opts.Macros[i].first);
for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) {
+ // FIXME: We need to avoid reincluding the implicit PCH and PTH includes.
Res.push_back("-include");
Res.push_back(Opts.Includes[i]);
}
for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) {
Res.push_back("-imacros");
- Res.push_back(Opts.Includes[i]);
+ Res.push_back(Opts.MacroIncludes[i]);
}
if (!Opts.UsePredefines)
Res.push_back("-undef");
if (!Opts.ImplicitPCHInclude.empty()) {
- Res.push_back("-implicit-pch-include");
+ Res.push_back("-include-pch");
Res.push_back(Opts.ImplicitPCHInclude);
}
if (!Opts.ImplicitPTHInclude.empty()) {
- Res.push_back("-implicit-pth-include");
+ Res.push_back("-include-pth");
Res.push_back(Opts.ImplicitPTHInclude);
}
if (!Opts.TokenCache.empty()) {
- Res.push_back("-token-cache");
- Res.push_back(Opts.TokenCache);
+ if (Opts.ImplicitPTHInclude.empty()) {
+ Res.push_back("-token-cache");
+ Res.push_back(Opts.TokenCache);
+ } else
+ assert(Opts.ImplicitPTHInclude == Opts.TokenCache &&
+ "Unsupported option combination!");
}
}