clang-cc: Move InitializePreprocessorOptions to Options.cpp
llvm-svn: 86811
diff --git a/clang/tools/clang-cc/Options.cpp b/clang/tools/clang-cc/Options.cpp
index 4f06ff5..8105875 100644
--- a/clang/tools/clang-cc/Options.cpp
+++ b/clang/tools/clang-cc/Options.cpp
@@ -13,8 +13,11 @@
#include "Options.h"
#include "clang/Frontend/CompileOptions.h"
+#include "clang/Frontend/PCHReader.h"
+#include "clang/Frontend/PreprocessorOptions.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/TargetInfo.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/CommandLine.h"
#include <stdio.h>
@@ -83,6 +86,41 @@
}
//===----------------------------------------------------------------------===//
+// General Preprocessor Options
+//===----------------------------------------------------------------------===//
+
+namespace preprocessoroptions {
+
+static llvm::cl::list<std::string>
+D_macros("D", llvm::cl::value_desc("macro"), llvm::cl::Prefix,
+ llvm::cl::desc("Predefine the specified macro"));
+
+static llvm::cl::list<std::string>
+ImplicitIncludes("include", llvm::cl::value_desc("file"),
+ llvm::cl::desc("Include file before parsing"));
+static llvm::cl::list<std::string>
+ImplicitMacroIncludes("imacros", llvm::cl::value_desc("file"),
+ llvm::cl::desc("Include macros from file before parsing"));
+
+static llvm::cl::opt<std::string>
+ImplicitIncludePCH("include-pch", llvm::cl::value_desc("file"),
+ llvm::cl::desc("Include precompiled header file"));
+
+static llvm::cl::opt<std::string>
+ImplicitIncludePTH("include-pth", llvm::cl::value_desc("file"),
+ llvm::cl::desc("Include file before parsing"));
+
+static llvm::cl::list<std::string>
+U_macros("U", llvm::cl::value_desc("macro"), llvm::cl::Prefix,
+ llvm::cl::desc("Undefine the specified macro"));
+
+static llvm::cl::opt<bool>
+UndefMacros("undef", llvm::cl::value_desc("macro"),
+ llvm::cl::desc("undef all system defines"));
+
+}
+
+//===----------------------------------------------------------------------===//
// Option Object Construction
//===----------------------------------------------------------------------===//
@@ -155,3 +193,52 @@
Opts.MergeAllConstants = !NoMergeConstants;
}
+
+void clang::InitializePreprocessorOptions(PreprocessorOptions &Opts) {
+ using namespace preprocessoroptions;
+
+ Opts.setImplicitPCHInclude(ImplicitIncludePCH);
+ Opts.setImplicitPTHInclude(ImplicitIncludePTH);
+
+ // Use predefines?
+ Opts.setUsePredefines(!UndefMacros);
+
+ // Add macros from the command line.
+ unsigned d = 0, D = D_macros.size();
+ unsigned u = 0, U = U_macros.size();
+ while (d < D || u < U) {
+ if (u == U || (d < D && D_macros.getPosition(d) < U_macros.getPosition(u)))
+ Opts.addMacroDef(D_macros[d++]);
+ else
+ Opts.addMacroUndef(U_macros[u++]);
+ }
+
+ // If -imacros are specified, include them now. These are processed before
+ // any -include directives.
+ for (unsigned i = 0, e = ImplicitMacroIncludes.size(); i != e; ++i)
+ Opts.addMacroInclude(ImplicitMacroIncludes[i]);
+
+ // Add the ordered list of -includes, sorting in the implicit include options
+ // at the appropriate location.
+ llvm::SmallVector<std::pair<unsigned, std::string*>, 8> OrderedPaths;
+ std::string OriginalFile;
+
+ if (!ImplicitIncludePTH.empty())
+ OrderedPaths.push_back(std::make_pair(ImplicitIncludePTH.getPosition(),
+ &ImplicitIncludePTH));
+ if (!ImplicitIncludePCH.empty()) {
+ OriginalFile = PCHReader::getOriginalSourceFile(ImplicitIncludePCH);
+ // FIXME: Don't fail like this.
+ if (OriginalFile.empty())
+ exit(1);
+ OrderedPaths.push_back(std::make_pair(ImplicitIncludePCH.getPosition(),
+ &OriginalFile));
+ }
+ for (unsigned i = 0, e = ImplicitIncludes.size(); i != e; ++i)
+ OrderedPaths.push_back(std::make_pair(ImplicitIncludes.getPosition(i),
+ &ImplicitIncludes[i]));
+ llvm::array_pod_sort(OrderedPaths.begin(), OrderedPaths.end());
+
+ for (unsigned i = 0, e = OrderedPaths.size(); i != e; ++i)
+ Opts.addInclude(*OrderedPaths[i].second);
+}