#include "Options.h"
#include "clang/Frontend/CompileOptions.h"
+#include "clang/Frontend/HeaderSearchOptions.h"
#include "clang/Frontend/PCHReader.h"
#include "clang/Frontend/PreprocessorOptions.h"
#include "clang/Basic/LangOptions.h"
}
+//===----------------------------------------------------------------------===//
+// Header Search Options
+//===----------------------------------------------------------------------===//
+
+namespace headersearchoptions {
+
+static llvm::cl::opt<bool>
+nostdinc("nostdinc", llvm::cl::desc("Disable standard #include directories"));
+
+static llvm::cl::opt<bool>
+nobuiltininc("nobuiltininc",
+ llvm::cl::desc("Disable builtin #include directories"));
+
+// Various command line options. These four add directories to each chain.
+static llvm::cl::list<std::string>
+F_dirs("F", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
+ llvm::cl::desc("Add directory to framework include search path"));
+
+static llvm::cl::list<std::string>
+I_dirs("I", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
+ llvm::cl::desc("Add directory to include search path"));
+
+static llvm::cl::list<std::string>
+idirafter_dirs("idirafter", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
+ llvm::cl::desc("Add directory to AFTER include search path"));
+
+static llvm::cl::list<std::string>
+iquote_dirs("iquote", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
+ llvm::cl::desc("Add directory to QUOTE include search path"));
+
+static llvm::cl::list<std::string>
+isystem_dirs("isystem", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
+ llvm::cl::desc("Add directory to SYSTEM include search path"));
+
+// These handle -iprefix/-iwithprefix/-iwithprefixbefore.
+static llvm::cl::list<std::string>
+iprefix_vals("iprefix", llvm::cl::value_desc("prefix"), llvm::cl::Prefix,
+ llvm::cl::desc("Set the -iwithprefix/-iwithprefixbefore prefix"));
+static llvm::cl::list<std::string>
+iwithprefix_vals("iwithprefix", llvm::cl::value_desc("dir"), llvm::cl::Prefix,
+ llvm::cl::desc("Set directory to SYSTEM include search path with prefix"));
+static llvm::cl::list<std::string>
+iwithprefixbefore_vals("iwithprefixbefore", llvm::cl::value_desc("dir"),
+ llvm::cl::Prefix,
+ llvm::cl::desc("Set directory to include search path with prefix"));
+
+static llvm::cl::opt<std::string>
+isysroot("isysroot", llvm::cl::value_desc("dir"), llvm::cl::init("/"),
+ llvm::cl::desc("Set the system root directory (usually /)"));
+
+}
+
//===----------------------------------------------------------------------===//
// Option Object Construction
//===----------------------------------------------------------------------===//
Opts.MergeAllConstants = !NoMergeConstants;
}
+void clang::InitializeHeaderSearchOptions(HeaderSearchOptions &Opts,
+ llvm::StringRef BuiltinIncludePath,
+ bool Verbose,
+ const LangOptions &Lang) {
+ using namespace headersearchoptions;
+
+ Opts.Sysroot = isysroot;
+ Opts.Verbose = Verbose;
+
+ // Handle -I... and -F... options, walking the lists in parallel.
+ unsigned Iidx = 0, Fidx = 0;
+ while (Iidx < I_dirs.size() && Fidx < F_dirs.size()) {
+ if (I_dirs.getPosition(Iidx) < F_dirs.getPosition(Fidx)) {
+ Opts.AddPath(I_dirs[Iidx], frontend::Angled, false, true, false);
+ ++Iidx;
+ } else {
+ Opts.AddPath(F_dirs[Fidx], frontend::Angled, false, true, true);
+ ++Fidx;
+ }
+ }
+
+ // Consume what's left from whatever list was longer.
+ for (; Iidx != I_dirs.size(); ++Iidx)
+ Opts.AddPath(I_dirs[Iidx], frontend::Angled, false, true, false);
+ for (; Fidx != F_dirs.size(); ++Fidx)
+ Opts.AddPath(F_dirs[Fidx], frontend::Angled, false, true, true);
+
+ // Handle -idirafter... options.
+ for (unsigned i = 0, e = idirafter_dirs.size(); i != e; ++i)
+ Opts.AddPath(idirafter_dirs[i], frontend::After,
+ false, true, false);
+
+ // Handle -iquote... options.
+ for (unsigned i = 0, e = iquote_dirs.size(); i != e; ++i)
+ Opts.AddPath(iquote_dirs[i], frontend::Quoted, false, true, false);
+
+ // Handle -isystem... options.
+ for (unsigned i = 0, e = isystem_dirs.size(); i != e; ++i)
+ Opts.AddPath(isystem_dirs[i], frontend::System, false, true, false);
+
+ // Walk the -iprefix/-iwithprefix/-iwithprefixbefore argument lists in
+ // parallel, processing the values in order of occurance to get the right
+ // prefixes.
+ {
+ std::string Prefix = ""; // FIXME: this isn't the correct default prefix.
+ unsigned iprefix_idx = 0;
+ unsigned iwithprefix_idx = 0;
+ unsigned iwithprefixbefore_idx = 0;
+ bool iprefix_done = iprefix_vals.empty();
+ bool iwithprefix_done = iwithprefix_vals.empty();
+ bool iwithprefixbefore_done = iwithprefixbefore_vals.empty();
+ while (!iprefix_done || !iwithprefix_done || !iwithprefixbefore_done) {
+ if (!iprefix_done &&
+ (iwithprefix_done ||
+ iprefix_vals.getPosition(iprefix_idx) <
+ iwithprefix_vals.getPosition(iwithprefix_idx)) &&
+ (iwithprefixbefore_done ||
+ iprefix_vals.getPosition(iprefix_idx) <
+ iwithprefixbefore_vals.getPosition(iwithprefixbefore_idx))) {
+ Prefix = iprefix_vals[iprefix_idx];
+ ++iprefix_idx;
+ iprefix_done = iprefix_idx == iprefix_vals.size();
+ } else if (!iwithprefix_done &&
+ (iwithprefixbefore_done ||
+ iwithprefix_vals.getPosition(iwithprefix_idx) <
+ iwithprefixbefore_vals.getPosition(iwithprefixbefore_idx))) {
+ Opts.AddPath(Prefix+iwithprefix_vals[iwithprefix_idx],
+ frontend::System, false, false, false);
+ ++iwithprefix_idx;
+ iwithprefix_done = iwithprefix_idx == iwithprefix_vals.size();
+ } else {
+ Opts.AddPath(Prefix+iwithprefixbefore_vals[iwithprefixbefore_idx],
+ frontend::Angled, false, false, false);
+ ++iwithprefixbefore_idx;
+ iwithprefixbefore_done =
+ iwithprefixbefore_idx == iwithprefixbefore_vals.size();
+ }
+ }
+ }
+
+ // Add CPATH environment paths.
+ if (const char *Env = getenv("CPATH"))
+ Opts.EnvIncPath = Env;
+
+ // Add language specific environment paths.
+ if (Lang.CPlusPlus && Lang.ObjC1) {
+ if (const char *Env = getenv("OBJCPLUS_INCLUDE_PATH"))
+ Opts.LangEnvIncPath = Env;
+ } else if (Lang.CPlusPlus) {
+ if (const char *Env = getenv("CPLUS_INCLUDE_PATH"))
+ Opts.LangEnvIncPath = Env;
+ } else if (Lang.ObjC1) {
+ if (const char *Env = getenv("OBJC_INCLUDE_PATH"))
+ Opts.LangEnvIncPath = Env;
+ } else {
+ if (const char *Env = getenv("C_INCLUDE_PATH"))
+ Opts.LangEnvIncPath = Env;
+ }
+
+ if (!nobuiltininc)
+ Opts.BuiltinIncludePath = BuiltinIncludePath;
+
+ Opts.UseStandardIncludes = !nostdinc;
+}
+
void clang::InitializePreprocessorOptions(PreprocessorOptions &Opts) {
using namespace preprocessoroptions;
#include "clang/Frontend/DiagnosticOptions.h"
#include "clang/Frontend/FixItRewriter.h"
#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/HeaderSearchOptions.h"
#include "clang/Frontend/PCHReader.h"
#include "clang/Frontend/PathDiagnosticClients.h"
#include "clang/Frontend/PreprocessorOptions.h"
llvm::cl::desc("Whether to build a relocatable precompiled "
"header"));
-//===----------------------------------------------------------------------===//
-// Preprocessor include path information.
-//===----------------------------------------------------------------------===//
-
-// This tool exports a large number of command line options to control how the
-// preprocessor searches for header files. At root, however, the Preprocessor
-// object takes a very simple interface: a list of directories to search for
-
-static llvm::cl::opt<bool>
-nostdinc("nostdinc", llvm::cl::desc("Disable standard #include directories"));
-
-static llvm::cl::opt<bool>
-nobuiltininc("nobuiltininc",
- llvm::cl::desc("Disable builtin #include directories"));
-
-// Various command line options. These four add directories to each chain.
-static llvm::cl::list<std::string>
-F_dirs("F", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
- llvm::cl::desc("Add directory to framework include search path"));
-static llvm::cl::list<std::string>
-I_dirs("I", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
- llvm::cl::desc("Add directory to include search path"));
-static llvm::cl::list<std::string>
-idirafter_dirs("idirafter", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
- llvm::cl::desc("Add directory to AFTER include search path"));
-static llvm::cl::list<std::string>
-iquote_dirs("iquote", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
- llvm::cl::desc("Add directory to QUOTE include search path"));
-static llvm::cl::list<std::string>
-isystem_dirs("isystem", llvm::cl::value_desc("directory"), llvm::cl::Prefix,
- llvm::cl::desc("Add directory to SYSTEM include search path"));
-
-// These handle -iprefix/-iwithprefix/-iwithprefixbefore.
-static llvm::cl::list<std::string>
-iprefix_vals("iprefix", llvm::cl::value_desc("prefix"), llvm::cl::Prefix,
- llvm::cl::desc("Set the -iwithprefix/-iwithprefixbefore prefix"));
-static llvm::cl::list<std::string>
-iwithprefix_vals("iwithprefix", llvm::cl::value_desc("dir"), llvm::cl::Prefix,
- llvm::cl::desc("Set directory to SYSTEM include search path with prefix"));
-static llvm::cl::list<std::string>
-iwithprefixbefore_vals("iwithprefixbefore", llvm::cl::value_desc("dir"),
- llvm::cl::Prefix,
- llvm::cl::desc("Set directory to include search path with prefix"));
-
-static llvm::cl::opt<std::string>
-isysroot("isysroot", llvm::cl::value_desc("dir"), llvm::cl::init("/"),
- llvm::cl::desc("Set the system root directory (usually /)"));
-
// Finally, implement the code that groks the options above.
// Add the clang headers, which are relative to the clang binary.
return P.str();
}
-/// InitializeIncludePaths - Process the -I options and set them in the
-/// HeaderSearch object.
-static void InitializeIncludePaths(HeaderSearchOptions &Opts,
- const char *Argv0,
- const LangOptions &Lang) {
- Opts.Sysroot = isysroot;
- Opts.Verbose = Verbose;
-
- // Handle -I... and -F... options, walking the lists in parallel.
- unsigned Iidx = 0, Fidx = 0;
- while (Iidx < I_dirs.size() && Fidx < F_dirs.size()) {
- if (I_dirs.getPosition(Iidx) < F_dirs.getPosition(Fidx)) {
- Opts.AddPath(I_dirs[Iidx], frontend::Angled, false, true, false);
- ++Iidx;
- } else {
- Opts.AddPath(F_dirs[Fidx], frontend::Angled, false, true, true);
- ++Fidx;
- }
- }
-
- // Consume what's left from whatever list was longer.
- for (; Iidx != I_dirs.size(); ++Iidx)
- Opts.AddPath(I_dirs[Iidx], frontend::Angled, false, true, false);
- for (; Fidx != F_dirs.size(); ++Fidx)
- Opts.AddPath(F_dirs[Fidx], frontend::Angled, false, true, true);
-
- // Handle -idirafter... options.
- for (unsigned i = 0, e = idirafter_dirs.size(); i != e; ++i)
- Opts.AddPath(idirafter_dirs[i], frontend::After,
- false, true, false);
-
- // Handle -iquote... options.
- for (unsigned i = 0, e = iquote_dirs.size(); i != e; ++i)
- Opts.AddPath(iquote_dirs[i], frontend::Quoted, false, true, false);
-
- // Handle -isystem... options.
- for (unsigned i = 0, e = isystem_dirs.size(); i != e; ++i)
- Opts.AddPath(isystem_dirs[i], frontend::System, false, true, false);
-
- // Walk the -iprefix/-iwithprefix/-iwithprefixbefore argument lists in
- // parallel, processing the values in order of occurance to get the right
- // prefixes.
- {
- std::string Prefix = ""; // FIXME: this isn't the correct default prefix.
- unsigned iprefix_idx = 0;
- unsigned iwithprefix_idx = 0;
- unsigned iwithprefixbefore_idx = 0;
- bool iprefix_done = iprefix_vals.empty();
- bool iwithprefix_done = iwithprefix_vals.empty();
- bool iwithprefixbefore_done = iwithprefixbefore_vals.empty();
- while (!iprefix_done || !iwithprefix_done || !iwithprefixbefore_done) {
- if (!iprefix_done &&
- (iwithprefix_done ||
- iprefix_vals.getPosition(iprefix_idx) <
- iwithprefix_vals.getPosition(iwithprefix_idx)) &&
- (iwithprefixbefore_done ||
- iprefix_vals.getPosition(iprefix_idx) <
- iwithprefixbefore_vals.getPosition(iwithprefixbefore_idx))) {
- Prefix = iprefix_vals[iprefix_idx];
- ++iprefix_idx;
- iprefix_done = iprefix_idx == iprefix_vals.size();
- } else if (!iwithprefix_done &&
- (iwithprefixbefore_done ||
- iwithprefix_vals.getPosition(iwithprefix_idx) <
- iwithprefixbefore_vals.getPosition(iwithprefixbefore_idx))) {
- Opts.AddPath(Prefix+iwithprefix_vals[iwithprefix_idx],
- frontend::System, false, false, false);
- ++iwithprefix_idx;
- iwithprefix_done = iwithprefix_idx == iwithprefix_vals.size();
- } else {
- Opts.AddPath(Prefix+iwithprefixbefore_vals[iwithprefixbefore_idx],
- frontend::Angled, false, false, false);
- ++iwithprefixbefore_idx;
- iwithprefixbefore_done =
- iwithprefixbefore_idx == iwithprefixbefore_vals.size();
- }
- }
- }
-
- // Add CPATH environment paths.
- if (const char *Env = getenv("CPATH"))
- Opts.EnvIncPath = Env;
-
- // Add language specific environment paths.
- if (Lang.CPlusPlus && Lang.ObjC1) {
- if (const char *Env = getenv("OBJCPLUS_INCLUDE_PATH"))
- Opts.LangEnvIncPath = Env;
- } else if (Lang.CPlusPlus) {
- if (const char *Env = getenv("CPLUS_INCLUDE_PATH"))
- Opts.LangEnvIncPath = Env;
- } else if (Lang.ObjC1) {
- if (const char *Env = getenv("OBJC_INCLUDE_PATH"))
- Opts.LangEnvIncPath = Env;
- } else {
- if (const char *Env = getenv("C_INCLUDE_PATH"))
- Opts.LangEnvIncPath = Env;
- }
-
- if (!nobuiltininc)
- Opts.BuiltinIncludePath = GetBuiltinIncludePath(Argv0);
-
- Opts.UseStandardIncludes = !nostdinc;
-}
-
//===----------------------------------------------------------------------===//
// Preprocessor construction
//===----------------------------------------------------------------------===//
ReadAnalyzerOptions()));
break;
- case GeneratePCH:
- if (RelocatablePCH.getValue() && !isysroot.getNumOccurrences()) {
+ case GeneratePCH: {
+ const std::string &Sysroot = CompOpts.getHeaderSearchOpts().Sysroot;
+ if (RelocatablePCH.getValue() && Sysroot.empty()) {
PP.Diag(SourceLocation(), diag::err_relocatable_without_without_isysroot);
RelocatablePCH.setValue(false);
}
OS.reset(ComputeOutFile(CompOpts, InFile, 0, true, OutPath));
if (RelocatablePCH.getValue())
- Consumer.reset(CreatePCHGenerator(PP, OS.get(), isysroot.c_str()));
+ Consumer.reset(CreatePCHGenerator(PP, OS.get(), Sysroot.c_str()));
else
Consumer.reset(CreatePCHGenerator(PP, OS.get()));
CompleteTranslationUnit = false;
break;
-
+ }
case DumpRawTokens: {
llvm::TimeRegion Timer(ClangFrontendTimer);
SourceManager &SM = PP.getSourceManager();
if (!ImplicitPCHInclude.empty()) {
// If the user specified -isysroot, it will be used for relocatable PCH
// files.
- const char *isysrootPCH = 0;
- if (isysroot.getNumOccurrences() != 0)
- isysrootPCH = isysroot.c_str();
+ const char *isysrootPCH = CompOpts.getHeaderSearchOpts().Sysroot.c_str();
+ if (isysrootPCH[0] == '\0')
+ isysrootPCH = 0;
Reader.reset(new PCHReader(PP, ContextOwner.get(), isysrootPCH));
Opts.getCompileOpts(), Opts.getTargetFeatures());
// Initialize the header search options.
- InitializeIncludePaths(Opts.getHeaderSearchOpts(), Argv0, Opts.getLangOpts());
+ InitializeHeaderSearchOptions(Opts.getHeaderSearchOpts(),
+ GetBuiltinIncludePath(Argv0),
+ Verbose,
+ Opts.getLangOpts());
// Initialize the other preprocessor options.
InitializePreprocessorOptions(Opts.getPreprocessorOpts());
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