зеркало из https://github.com/microsoft/clang-1.git
Split preprocessor initialization logic out of clang-cc into
libfrontend. Patch by Alexei Svitkine! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69664 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
Родитель
2a9cc237dc
Коммит
e116ccf140
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@ -175,6 +175,7 @@
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DEC8D9A40A94346E00353FCA /* AST.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = DEC8D9A30A94346E00353FCA /* AST.h */; };
|
||||
DECAB0D00DB3C84200E13CCB /* RewriteRope.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DECAB0CF0DB3C84200E13CCB /* RewriteRope.cpp */; };
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||||
DECB6D650F9AE26600F5FBC7 /* JumpDiagnostics.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DECB6D640F9AE26600F5FBC7 /* JumpDiagnostics.cpp */; };
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DECB6F070F9D93A800F5FBC7 /* InitPreprocessor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DECB6F060F9D93A800F5FBC7 /* InitPreprocessor.cpp */; };
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||||
DED626C90AE0C065001E80A4 /* TargetInfo.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DED626C80AE0C065001E80A4 /* TargetInfo.cpp */; };
|
||||
DED62ABB0AE2EDF1001E80A4 /* Decl.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DED62ABA0AE2EDF1001E80A4 /* Decl.cpp */; };
|
||||
DED676D10B6C786700AAD4A3 /* Builtins.def in CopyFiles */ = {isa = PBXBuildFile; fileRef = DED676D00B6C786700AAD4A3 /* Builtins.def */; };
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|
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@ -582,6 +583,8 @@
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DEC8D9A30A94346E00353FCA /* AST.h */ = {isa = PBXFileReference; fileEncoding = 30; indentWidth = 2; lastKnownFileType = sourcecode.c.h; name = AST.h; path = clang/AST/AST.h; sourceTree = "<group>"; tabWidth = 2; };
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DECAB0CF0DB3C84200E13CCB /* RewriteRope.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = RewriteRope.cpp; path = lib/Rewrite/RewriteRope.cpp; sourceTree = "<group>"; };
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DECB6D640F9AE26600F5FBC7 /* JumpDiagnostics.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = JumpDiagnostics.cpp; path = lib/Sema/JumpDiagnostics.cpp; sourceTree = "<group>"; };
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DECB6F030F9D939A00F5FBC7 /* InitPreprocessor.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = InitPreprocessor.h; path = clang/Frontend/InitPreprocessor.h; sourceTree = "<group>"; };
|
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DECB6F060F9D93A800F5FBC7 /* InitPreprocessor.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = InitPreprocessor.cpp; path = lib/Frontend/InitPreprocessor.cpp; sourceTree = "<group>"; };
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DED626C80AE0C065001E80A4 /* TargetInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 30; indentWidth = 2; lastKnownFileType = sourcecode.cpp.cpp; path = TargetInfo.cpp; sourceTree = "<group>"; tabWidth = 2; };
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DED62ABA0AE2EDF1001E80A4 /* Decl.cpp */ = {isa = PBXFileReference; fileEncoding = 30; indentWidth = 2; lastKnownFileType = sourcecode.cpp.cpp; name = Decl.cpp; path = lib/AST/Decl.cpp; sourceTree = "<group>"; tabWidth = 2; usesTabs = 0; };
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DED676D00B6C786700AAD4A3 /* Builtins.def */ = {isa = PBXFileReference; fileEncoding = 30; indentWidth = 2; lastKnownFileType = text; name = Builtins.def; path = clang/AST/Builtins.def; sourceTree = "<group>"; tabWidth = 2; };
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@ -803,6 +806,7 @@
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DEF1683F0F9548DC0098507F /* FixItRewriter.cpp */,
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352246E10F5C6BE000D0D279 /* HTMLDiagnostics.cpp */,
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352246E20F5C6BE000D0D279 /* InitHeaderSearch.cpp */,
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DECB6F060F9D93A800F5FBC7 /* InitPreprocessor.cpp */,
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352246E30F5C6BE000D0D279 /* ManagerRegistry.cpp */,
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DEF165740F8FB3510098507F /* PCHReader.cpp */,
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DEF165700F8FB34D0098507F /* PCHWriter.cpp */,
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@ -1363,6 +1367,7 @@
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DEF168620F9549250098507F /* FixItRewriter.h */,
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DEF169220F9645960098507F /* FrontendDiagnostic.h */,
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DEF1615E0F65C81C0098507F /* InitHeaderSearch.h */,
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DECB6F030F9D939A00F5FBC7 /* InitPreprocessor.h */,
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DEF1615F0F65C81C0098507F /* ManagerRegistry.h */,
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DEF1657E0F8FB3730098507F /* PCHBitCodes.h */,
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DEF1657B0F8FB36E0098507F /* PCHReader.h */,
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@ -1657,6 +1662,7 @@
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DEF165900F8FB3FC0098507F /* GeneratePCH.cpp in Sources */,
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DEF168400F9548DC0098507F /* FixItRewriter.cpp in Sources */,
|
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DECB6D650F9AE26600F5FBC7 /* JumpDiagnostics.cpp in Sources */,
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DECB6F070F9D93A800F5FBC7 /* InitPreprocessor.cpp in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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@ -0,0 +1,71 @@
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//===--- InitPreprocessor.h - InitializePreprocessor function. --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the clang::InitializePreprocessor function.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_FRONTEND_INIT_PREPROCESSOR_H_
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#define LLVM_CLANG_FRONTEND_INIT_PREPROCESSOR_H_
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#include <string>
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#include <vector>
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namespace clang {
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class Preprocessor;
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class LangOptions;
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/// PreprocessorInitOptions - This class is used for passing the various
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/// options used in preprocessor initialization to InitializePreprocessor().
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class PreprocessorInitOptions {
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std::vector<std::pair<std::string, bool/*isUndef*/> > Macros;
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std::vector<std::pair<std::string, bool/*isPTH*/> > Includes;
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std::vector<std::string> MacroIncludes;
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public:
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void addMacroDef(const std::string &Name) {
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Macros.push_back(std::make_pair(Name, false));
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}
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void addMacroUndef(const std::string &Name) {
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Macros.push_back(std::make_pair(Name, true));
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}
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void addInclude(const std::string &Name, bool isPTH = false) {
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Includes.push_back(std::make_pair(Name, isPTH));
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}
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void addMacroInclude(const std::string &Name) {
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MacroIncludes.push_back(Name);
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}
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typedef std::vector<std::pair<std::string,
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bool> >::const_iterator macro_iterator;
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macro_iterator macro_begin() const { return Macros.begin(); }
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macro_iterator macro_end() const { return Macros.end(); }
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typedef std::vector<std::pair<std::string,
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bool> >::const_iterator include_iterator;
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include_iterator include_begin() const { return Includes.begin(); }
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include_iterator include_end() const { return Includes.end(); }
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typedef std::vector<std::string>::const_iterator imacro_iterator;
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imacro_iterator imacro_begin() const { return MacroIncludes.begin(); }
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imacro_iterator imacro_end() const { return MacroIncludes.end(); }
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};
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/// InitializePreprocessor - Initialize the preprocessor getting it and the
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/// environment ready to process a single file. This returns true on error.
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///
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bool InitializePreprocessor(Preprocessor &PP,
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const std::string &InFile,
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const PreprocessorInitOptions& InitOptions);
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} // end namespace clang
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#endif
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@ -4,6 +4,7 @@ add_clang_library(clangFrontend
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FixItRewriter.cpp
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HTMLDiagnostics.cpp
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InitHeaderSearch.cpp
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InitPreprocessor.cpp
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TextDiagnosticBuffer.cpp
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TextDiagnosticPrinter.cpp
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PCHReader.cpp
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|
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@ -0,0 +1,469 @@
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//===--- InitPreprocessor.cpp - PP initialization code. ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the clang::InitializePreprocessor function.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/InitPreprocessor.h"
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Lex/Preprocessor.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/System/Path.h"
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namespace clang {
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// Append a #define line to Buf for Macro. Macro should be of the form XXX,
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// in which case we emit "#define XXX 1" or "XXX=Y z W" in which case we emit
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// "#define XXX Y z W". To get a #define with no value, use "XXX=".
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static void DefineBuiltinMacro(std::vector<char> &Buf, const char *Macro,
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const char *Command = "#define ") {
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Buf.insert(Buf.end(), Command, Command+strlen(Command));
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if (const char *Equal = strchr(Macro, '=')) {
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// Turn the = into ' '.
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Buf.insert(Buf.end(), Macro, Equal);
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Buf.push_back(' ');
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// Per GCC -D semantics, the macro ends at \n if it exists.
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const char *End = strpbrk(Equal, "\n\r");
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if (End) {
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fprintf(stderr, "warning: macro '%s' contains embedded newline, text "
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"after the newline is ignored.\n",
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std::string(Macro, Equal).c_str());
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} else {
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End = Equal+strlen(Equal);
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}
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Buf.insert(Buf.end(), Equal+1, End);
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} else {
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// Push "macroname 1".
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Buf.insert(Buf.end(), Macro, Macro+strlen(Macro));
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Buf.push_back(' ');
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Buf.push_back('1');
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}
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Buf.push_back('\n');
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}
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/// Add the quoted name of an implicit include file.
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static void AddQuotedIncludePath(std::vector<char> &Buf,
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const std::string &File) {
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// Implicit include paths are relative to the current working
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// directory; resolve them now instead of using the normal machinery
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// (which would look relative to the input file).
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llvm::sys::Path Path(File);
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Path.makeAbsolute();
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// Escape double quotes etc.
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Buf.push_back('"');
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std::string EscapedFile = Lexer::Stringify(Path.toString());
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Buf.insert(Buf.end(), EscapedFile.begin(), EscapedFile.end());
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Buf.push_back('"');
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}
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/// AddImplicitInclude - Add an implicit #include of the specified file to the
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/// predefines buffer.
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static void AddImplicitInclude(std::vector<char> &Buf,
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const std::string &File) {
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const char *Inc = "#include ";
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Buf.insert(Buf.end(), Inc, Inc+strlen(Inc));
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AddQuotedIncludePath(Buf, File);
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Buf.push_back('\n');
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}
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static void AddImplicitIncludeMacros(std::vector<char> &Buf,
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const std::string &File) {
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const char *Inc = "#__include_macros ";
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Buf.insert(Buf.end(), Inc, Inc+strlen(Inc));
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AddQuotedIncludePath(Buf, File);
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Buf.push_back('\n');
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// Marker token to stop the __include_macros fetch loop.
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const char *Marker = "##\n"; // ##?
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Buf.insert(Buf.end(), Marker, Marker+strlen(Marker));
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}
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/// AddImplicitIncludePTH - Add an implicit #include using the original file
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/// used to generate a PTH cache.
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static void AddImplicitIncludePTH(std::vector<char> &Buf, Preprocessor &PP,
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const std::string& ImplicitIncludePTH) {
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PTHManager *P = PP.getPTHManager();
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assert(P && "No PTHManager.");
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const char *OriginalFile = P->getOriginalSourceFile();
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if (!OriginalFile) {
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assert(!ImplicitIncludePTH.empty());
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fprintf(stderr, "error: PTH file '%s' does not designate an original "
|
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"source header file for -include-pth\n",
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ImplicitIncludePTH.c_str());
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exit (1);
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}
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AddImplicitInclude(Buf, OriginalFile);
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}
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/// PickFP - This is used to pick a value based on the FP semantics of the
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/// specified FP model.
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template <typename T>
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static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal,
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T IEEEDoubleVal, T X87DoubleExtendedVal, T PPCDoubleDoubleVal) {
|
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if (Sem == &llvm::APFloat::IEEEsingle)
|
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return IEEESingleVal;
|
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if (Sem == &llvm::APFloat::IEEEdouble)
|
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return IEEEDoubleVal;
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if (Sem == &llvm::APFloat::x87DoubleExtended)
|
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return X87DoubleExtendedVal;
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assert(Sem == &llvm::APFloat::PPCDoubleDouble);
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return PPCDoubleDoubleVal;
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}
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static void DefineFloatMacros(std::vector<char> &Buf, const char *Prefix,
|
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const llvm::fltSemantics *Sem) {
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const char *DenormMin, *Epsilon, *Max, *Min;
|
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DenormMin = PickFP(Sem, "1.40129846e-45F", "4.9406564584124654e-324",
|
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"3.64519953188247460253e-4951L",
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"4.94065645841246544176568792868221e-324L");
|
||||
int Digits = PickFP(Sem, 6, 15, 18, 31);
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Epsilon = PickFP(Sem, "1.19209290e-7F", "2.2204460492503131e-16",
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"1.08420217248550443401e-19L",
|
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"4.94065645841246544176568792868221e-324L");
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int HasInifinity = 1, HasQuietNaN = 1;
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int MantissaDigits = PickFP(Sem, 24, 53, 64, 106);
|
||||
int Min10Exp = PickFP(Sem, -37, -307, -4931, -291);
|
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int Max10Exp = PickFP(Sem, 38, 308, 4932, 308);
|
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int MinExp = PickFP(Sem, -125, -1021, -16381, -968);
|
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int MaxExp = PickFP(Sem, 128, 1024, 16384, 1024);
|
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Min = PickFP(Sem, "1.17549435e-38F", "2.2250738585072014e-308",
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"3.36210314311209350626e-4932L",
|
||||
"2.00416836000897277799610805135016e-292L");
|
||||
Max = PickFP(Sem, "3.40282347e+38F", "1.7976931348623157e+308",
|
||||
"1.18973149535723176502e+4932L",
|
||||
"1.79769313486231580793728971405301e+308L");
|
||||
|
||||
char MacroBuf[60];
|
||||
sprintf(MacroBuf, "__%s_DENORM_MIN__=%s", Prefix, DenormMin);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_DIG__=%d", Prefix, Digits);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_EPSILON__=%s", Prefix, Epsilon);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_HAS_INFINITY__=%d", Prefix, HasInifinity);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_HAS_QUIET_NAN__=%d", Prefix, HasQuietNaN);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MANT_DIG__=%d", Prefix, MantissaDigits);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MAX_10_EXP__=%d", Prefix, Max10Exp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MAX_EXP__=%d", Prefix, MaxExp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MAX__=%s", Prefix, Max);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MIN_10_EXP__=(%d)", Prefix, Min10Exp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MIN_EXP__=(%d)", Prefix, MinExp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MIN__=%s", Prefix, Min);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_HAS_DENORM__=1", Prefix);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
|
||||
/// DefineTypeSize - Emit a macro to the predefines buffer that declares a macro
|
||||
/// named MacroName with the max value for a type with width 'TypeWidth' a
|
||||
/// signedness of 'isSigned' and with a value suffix of 'ValSuffix' (e.g. LL).
|
||||
static void DefineTypeSize(const char *MacroName, unsigned TypeWidth,
|
||||
const char *ValSuffix, bool isSigned,
|
||||
std::vector<char> &Buf) {
|
||||
char MacroBuf[60];
|
||||
long long MaxVal;
|
||||
if (isSigned)
|
||||
MaxVal = (1LL << (TypeWidth - 1)) - 1;
|
||||
else
|
||||
MaxVal = ~0LL >> (64-TypeWidth);
|
||||
|
||||
sprintf(MacroBuf, "%s=%llu%s", MacroName, MaxVal, ValSuffix);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
static void DefineType(const char *MacroName, TargetInfo::IntType Ty,
|
||||
std::vector<char> &Buf) {
|
||||
char MacroBuf[60];
|
||||
sprintf(MacroBuf, "%s=%s", MacroName, TargetInfo::getTypeName(Ty));
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
|
||||
static void InitializePredefinedMacros(const TargetInfo &TI,
|
||||
const LangOptions &LangOpts,
|
||||
std::vector<char> &Buf) {
|
||||
char MacroBuf[60];
|
||||
// Compiler version introspection macros.
|
||||
DefineBuiltinMacro(Buf, "__llvm__=1"); // LLVM Backend
|
||||
DefineBuiltinMacro(Buf, "__clang__=1"); // Clang Frontend
|
||||
|
||||
// Currently claim to be compatible with GCC 4.2.1-5621.
|
||||
DefineBuiltinMacro(Buf, "__APPLE_CC__=5621");
|
||||
DefineBuiltinMacro(Buf, "__GNUC_MINOR__=2");
|
||||
DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1");
|
||||
DefineBuiltinMacro(Buf, "__GNUC__=4");
|
||||
DefineBuiltinMacro(Buf, "__GXX_ABI_VERSION=1002");
|
||||
DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 Compatible Clang Compiler\"");
|
||||
|
||||
|
||||
// Initialize language-specific preprocessor defines.
|
||||
|
||||
// These should all be defined in the preprocessor according to the
|
||||
// current language configuration.
|
||||
if (!LangOpts.Microsoft)
|
||||
DefineBuiltinMacro(Buf, "__STDC__=1");
|
||||
if (LangOpts.AsmPreprocessor)
|
||||
DefineBuiltinMacro(Buf, "__ASSEMBLER__=1");
|
||||
if (LangOpts.C99 && !LangOpts.CPlusPlus)
|
||||
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199901L");
|
||||
else if (0) // STDC94 ?
|
||||
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L");
|
||||
|
||||
// Standard conforming mode?
|
||||
if (!LangOpts.GNUMode)
|
||||
DefineBuiltinMacro(Buf, "__STRICT_ANSI__=1");
|
||||
|
||||
if (LangOpts.CPlusPlus0x)
|
||||
DefineBuiltinMacro(Buf, "__GXX_EXPERIMENTAL_CXX0X__");
|
||||
|
||||
if (LangOpts.Freestanding)
|
||||
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=0");
|
||||
else
|
||||
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1");
|
||||
|
||||
if (LangOpts.ObjC1) {
|
||||
DefineBuiltinMacro(Buf, "__OBJC__=1");
|
||||
if (LangOpts.ObjCNonFragileABI) {
|
||||
DefineBuiltinMacro(Buf, "__OBJC2__=1");
|
||||
DefineBuiltinMacro(Buf, "OBJC_ZEROCOST_EXCEPTIONS=1");
|
||||
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
|
||||
}
|
||||
|
||||
if (LangOpts.getGCMode() != LangOptions::NonGC)
|
||||
DefineBuiltinMacro(Buf, "__OBJC_GC__=1");
|
||||
|
||||
if (LangOpts.NeXTRuntime)
|
||||
DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1");
|
||||
}
|
||||
|
||||
// darwin_constant_cfstrings controls this. This is also dependent
|
||||
// on other things like the runtime I believe. This is set even for C code.
|
||||
DefineBuiltinMacro(Buf, "__CONSTANT_CFSTRINGS__=1");
|
||||
|
||||
if (LangOpts.ObjC2)
|
||||
DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES");
|
||||
|
||||
if (LangOpts.PascalStrings)
|
||||
DefineBuiltinMacro(Buf, "__PASCAL_STRINGS__");
|
||||
|
||||
if (LangOpts.Blocks) {
|
||||
DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
|
||||
DefineBuiltinMacro(Buf, "__BLOCKS__=1");
|
||||
}
|
||||
|
||||
if (LangOpts.CPlusPlus) {
|
||||
DefineBuiltinMacro(Buf, "__DEPRECATED=1");
|
||||
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
|
||||
DefineBuiltinMacro(Buf, "__GNUG__=4");
|
||||
DefineBuiltinMacro(Buf, "__GXX_WEAK__=1");
|
||||
DefineBuiltinMacro(Buf, "__cplusplus=1");
|
||||
DefineBuiltinMacro(Buf, "__private_extern__=extern");
|
||||
}
|
||||
|
||||
// Filter out some microsoft extensions when trying to parse in ms-compat
|
||||
// mode.
|
||||
if (LangOpts.Microsoft) {
|
||||
DefineBuiltinMacro(Buf, "_cdecl=__cdecl");
|
||||
DefineBuiltinMacro(Buf, "__int8=__INT8_TYPE__");
|
||||
DefineBuiltinMacro(Buf, "__int16=__INT16_TYPE__");
|
||||
DefineBuiltinMacro(Buf, "__int32=__INT32_TYPE__");
|
||||
DefineBuiltinMacro(Buf, "__int64=__INT64_TYPE__");
|
||||
}
|
||||
|
||||
if (LangOpts.Optimize)
|
||||
DefineBuiltinMacro(Buf, "__OPTIMIZE__=1");
|
||||
if (LangOpts.OptimizeSize)
|
||||
DefineBuiltinMacro(Buf, "__OPTIMIZE_SIZE__=1");
|
||||
|
||||
// Initialize target-specific preprocessor defines.
|
||||
|
||||
// Define type sizing macros based on the target properties.
|
||||
assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
|
||||
DefineBuiltinMacro(Buf, "__CHAR_BIT__=8");
|
||||
|
||||
unsigned IntMaxWidth;
|
||||
const char *IntMaxSuffix;
|
||||
if (TI.getIntMaxType() == TargetInfo::SignedLongLong) {
|
||||
IntMaxWidth = TI.getLongLongWidth();
|
||||
IntMaxSuffix = "LL";
|
||||
} else if (TI.getIntMaxType() == TargetInfo::SignedLong) {
|
||||
IntMaxWidth = TI.getLongWidth();
|
||||
IntMaxSuffix = "L";
|
||||
} else {
|
||||
assert(TI.getIntMaxType() == TargetInfo::SignedInt);
|
||||
IntMaxWidth = TI.getIntWidth();
|
||||
IntMaxSuffix = "";
|
||||
}
|
||||
|
||||
DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
|
||||
DefineTypeSize("__SHRT_MAX__", TI.getShortWidth(), "", true, Buf);
|
||||
DefineTypeSize("__INT_MAX__", TI.getIntWidth(), "", true, Buf);
|
||||
DefineTypeSize("__LONG_MAX__", TI.getLongWidth(), "L", true, Buf);
|
||||
DefineTypeSize("__LONG_LONG_MAX__", TI.getLongLongWidth(), "LL", true, Buf);
|
||||
DefineTypeSize("__WCHAR_MAX__", TI.getWCharWidth(), "", true, Buf);
|
||||
DefineTypeSize("__INTMAX_MAX__", IntMaxWidth, IntMaxSuffix, true, Buf);
|
||||
|
||||
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf);
|
||||
DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf);
|
||||
DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf);
|
||||
DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf);
|
||||
DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf);
|
||||
DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf);
|
||||
// FIXME: TargetInfo hookize __WINT_TYPE__.
|
||||
DefineBuiltinMacro(Buf, "__WINT_TYPE__=int");
|
||||
|
||||
DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
|
||||
DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());
|
||||
DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat());
|
||||
|
||||
// Define a __POINTER_WIDTH__ macro for stdint.h.
|
||||
sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0));
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
|
||||
if (!TI.isCharSigned())
|
||||
DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__");
|
||||
|
||||
// Define fixed-sized integer types for stdint.h
|
||||
assert(TI.getCharWidth() == 8 && "unsupported target types");
|
||||
assert(TI.getShortWidth() == 16 && "unsupported target types");
|
||||
DefineBuiltinMacro(Buf, "__INT8_TYPE__=char");
|
||||
DefineBuiltinMacro(Buf, "__INT16_TYPE__=short");
|
||||
|
||||
if (TI.getIntWidth() == 32)
|
||||
DefineBuiltinMacro(Buf, "__INT32_TYPE__=int");
|
||||
else {
|
||||
assert(TI.getLongLongWidth() == 32 && "unsupported target types");
|
||||
DefineBuiltinMacro(Buf, "__INT32_TYPE__=long long");
|
||||
}
|
||||
|
||||
// 16-bit targets doesn't necessarily have a 64-bit type.
|
||||
if (TI.getLongLongWidth() == 64)
|
||||
DefineBuiltinMacro(Buf, "__INT64_TYPE__=long long");
|
||||
|
||||
// Add __builtin_va_list typedef.
|
||||
{
|
||||
const char *VAList = TI.getVAListDeclaration();
|
||||
Buf.insert(Buf.end(), VAList, VAList+strlen(VAList));
|
||||
Buf.push_back('\n');
|
||||
}
|
||||
|
||||
if (const char *Prefix = TI.getUserLabelPrefix()) {
|
||||
sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
// Build configuration options. FIXME: these should be controlled by
|
||||
// command line options or something.
|
||||
DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");
|
||||
|
||||
if (LangOpts.Static)
|
||||
DefineBuiltinMacro(Buf, "__STATIC__=1");
|
||||
else
|
||||
DefineBuiltinMacro(Buf, "__DYNAMIC__=1");
|
||||
|
||||
if (LangOpts.GNUInline)
|
||||
DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
|
||||
else
|
||||
DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");
|
||||
|
||||
if (LangOpts.NoInline)
|
||||
DefineBuiltinMacro(Buf, "__NO_INLINE__=1");
|
||||
|
||||
if (unsigned PICLevel = LangOpts.PICLevel) {
|
||||
sprintf(MacroBuf, "__PIC__=%d", PICLevel);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
|
||||
sprintf(MacroBuf, "__pic__=%d", PICLevel);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
// Macros to control C99 numerics and <float.h>
|
||||
DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0");
|
||||
DefineBuiltinMacro(Buf, "__FLT_RADIX__=2");
|
||||
sprintf(MacroBuf, "__DECIMAL_DIG__=%d",
|
||||
PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33));
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
|
||||
// Get other target #defines.
|
||||
TI.getTargetDefines(LangOpts, Buf);
|
||||
}
|
||||
|
||||
/// InitializePreprocessor - Initialize the preprocessor getting it and the
|
||||
/// environment ready to process a single file. This returns true on error.
|
||||
///
|
||||
bool InitializePreprocessor(Preprocessor &PP,
|
||||
const std::string &InFile,
|
||||
const PreprocessorInitOptions& InitOpts) {
|
||||
std::vector<char> PredefineBuffer;
|
||||
|
||||
// Install things like __POWERPC__, __GNUC__, etc into the macro table.
|
||||
InitializePredefinedMacros(PP.getTargetInfo(), PP.getLangOptions(),
|
||||
PredefineBuffer);
|
||||
|
||||
// Add on the predefines from the driver. Wrap in a #line directive to report
|
||||
// that they come from the command line.
|
||||
const char *LineDirective = "# 1 \"<command line>\" 1\n";
|
||||
PredefineBuffer.insert(PredefineBuffer.end(),
|
||||
LineDirective, LineDirective+strlen(LineDirective));
|
||||
|
||||
// Process #define's and #undef's in the order they are given.
|
||||
for (PreprocessorInitOptions::macro_iterator I = InitOpts.macro_begin(),
|
||||
E = InitOpts.macro_end(); I != E; ++I) {
|
||||
bool isUndef = I->second;
|
||||
if (isUndef)
|
||||
DefineBuiltinMacro(PredefineBuffer, I->first.c_str());
|
||||
else
|
||||
DefineBuiltinMacro(PredefineBuffer, I->first.c_str(), "#undef ");
|
||||
}
|
||||
|
||||
// If -imacros are specified, include them now. These are processed before
|
||||
// any -include directives.
|
||||
for (PreprocessorInitOptions::imacro_iterator I = InitOpts.imacro_begin(),
|
||||
E = InitOpts.imacro_end(); I != E; ++I)
|
||||
AddImplicitIncludeMacros(PredefineBuffer, *I);
|
||||
|
||||
// Process -include directives.
|
||||
for (PreprocessorInitOptions::include_iterator I = InitOpts.include_begin(),
|
||||
E = InitOpts.include_end(); I != E; ++I) {
|
||||
bool isPTH = I->second;
|
||||
if (isPTH) {
|
||||
AddImplicitInclude(PredefineBuffer, I->first);
|
||||
} else {
|
||||
AddImplicitIncludePTH(PredefineBuffer, PP, I->first);
|
||||
}
|
||||
}
|
||||
|
||||
LineDirective = "# 2 \"<built-in>\" 2\n";
|
||||
PredefineBuffer.insert(PredefineBuffer.end(),
|
||||
LineDirective, LineDirective+strlen(LineDirective));
|
||||
|
||||
// Null terminate PredefinedBuffer and add it.
|
||||
PredefineBuffer.push_back(0);
|
||||
PP.setPredefines(&PredefineBuffer[0]);
|
||||
|
||||
// Once we've read this, we're done.
|
||||
return false;
|
||||
}
|
||||
|
||||
} // namespace clang
|
||||
|
|
@ -28,6 +28,7 @@
|
|||
#include "clang/Frontend/FixItRewriter.h"
|
||||
#include "clang/Frontend/FrontendDiagnostic.h"
|
||||
#include "clang/Frontend/InitHeaderSearch.h"
|
||||
#include "clang/Frontend/InitPreprocessor.h"
|
||||
#include "clang/Frontend/PathDiagnosticClients.h"
|
||||
#include "clang/Frontend/PCHReader.h"
|
||||
#include "clang/Frontend/TextDiagnosticBuffer.h"
|
||||
|
|
@ -1030,425 +1031,9 @@ static std::string CreateTargetTriple() {
|
|||
}
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
// Preprocessor Initialization
|
||||
// SourceManager initialization.
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// FIXME: Preprocessor builtins to support.
|
||||
// -A... - Play with #assertions
|
||||
// -undef - Undefine all predefined macros
|
||||
|
||||
// FIXME: -imacros
|
||||
|
||||
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>
|
||||
U_macros("U", llvm::cl::value_desc("macro"), llvm::cl::Prefix,
|
||||
llvm::cl::desc("Undefine 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>
|
||||
ImplicitIncludePTH("include-pth", llvm::cl::value_desc("file"),
|
||||
llvm::cl::desc("Include file before parsing"));
|
||||
|
||||
static llvm::cl::opt<std::string>
|
||||
ImplicitIncludePCH("include-pch", llvm::cl::value_desc("file"),
|
||||
llvm::cl::desc("Include precompiled header file"));
|
||||
|
||||
// Append a #define line to Buf for Macro. Macro should be of the form XXX,
|
||||
// in which case we emit "#define XXX 1" or "XXX=Y z W" in which case we emit
|
||||
// "#define XXX Y z W". To get a #define with no value, use "XXX=".
|
||||
static void DefineBuiltinMacro(std::vector<char> &Buf, const char *Macro,
|
||||
const char *Command = "#define ") {
|
||||
Buf.insert(Buf.end(), Command, Command+strlen(Command));
|
||||
if (const char *Equal = strchr(Macro, '=')) {
|
||||
// Turn the = into ' '.
|
||||
Buf.insert(Buf.end(), Macro, Equal);
|
||||
Buf.push_back(' ');
|
||||
|
||||
// Per GCC -D semantics, the macro ends at \n if it exists.
|
||||
const char *End = strpbrk(Equal, "\n\r");
|
||||
if (End) {
|
||||
fprintf(stderr, "warning: macro '%s' contains embedded newline, text "
|
||||
"after the newline is ignored.\n",
|
||||
std::string(Macro, Equal).c_str());
|
||||
} else {
|
||||
End = Equal+strlen(Equal);
|
||||
}
|
||||
|
||||
Buf.insert(Buf.end(), Equal+1, End);
|
||||
} else {
|
||||
// Push "macroname 1".
|
||||
Buf.insert(Buf.end(), Macro, Macro+strlen(Macro));
|
||||
Buf.push_back(' ');
|
||||
Buf.push_back('1');
|
||||
}
|
||||
Buf.push_back('\n');
|
||||
}
|
||||
|
||||
/// Add the quoted name of an implicit include file.
|
||||
static void AddQuotedIncludePath(std::vector<char> &Buf,
|
||||
const std::string &File) {
|
||||
// Implicit include paths are relative to the current working
|
||||
// directory; resolve them now instead of using the normal machinery
|
||||
// (which would look relative to the input file).
|
||||
llvm::sys::Path Path(File);
|
||||
Path.makeAbsolute();
|
||||
|
||||
// Escape double quotes etc.
|
||||
Buf.push_back('"');
|
||||
std::string EscapedFile = Lexer::Stringify(Path.toString());
|
||||
Buf.insert(Buf.end(), EscapedFile.begin(), EscapedFile.end());
|
||||
Buf.push_back('"');
|
||||
}
|
||||
|
||||
/// AddImplicitInclude - Add an implicit #include of the specified file to the
|
||||
/// predefines buffer.
|
||||
static void AddImplicitInclude(std::vector<char> &Buf,
|
||||
const std::string &File) {
|
||||
const char *Inc = "#include ";
|
||||
Buf.insert(Buf.end(), Inc, Inc+strlen(Inc));
|
||||
AddQuotedIncludePath(Buf, File);
|
||||
Buf.push_back('\n');
|
||||
}
|
||||
|
||||
static void AddImplicitIncludeMacros(std::vector<char> &Buf,
|
||||
const std::string &File) {
|
||||
const char *Inc = "#__include_macros ";
|
||||
Buf.insert(Buf.end(), Inc, Inc+strlen(Inc));
|
||||
AddQuotedIncludePath(Buf, File);
|
||||
Buf.push_back('\n');
|
||||
// Marker token to stop the __include_macros fetch loop.
|
||||
const char *Marker = "##\n"; // ##?
|
||||
Buf.insert(Buf.end(), Marker, Marker+strlen(Marker));
|
||||
}
|
||||
|
||||
/// AddImplicitIncludePTH - Add an implicit #include using the original file
|
||||
/// used to generate a PTH cache.
|
||||
static void AddImplicitIncludePTH(std::vector<char> &Buf, Preprocessor &PP) {
|
||||
PTHManager *P = PP.getPTHManager();
|
||||
assert(P && "No PTHManager.");
|
||||
const char *OriginalFile = P->getOriginalSourceFile();
|
||||
|
||||
if (!OriginalFile) {
|
||||
assert(!ImplicitIncludePTH.empty());
|
||||
fprintf(stderr, "error: PTH file '%s' does not designate an original "
|
||||
"source header file for -include-pth\n",
|
||||
ImplicitIncludePTH.c_str());
|
||||
exit (1);
|
||||
}
|
||||
|
||||
AddImplicitInclude(Buf, OriginalFile);
|
||||
}
|
||||
|
||||
/// PickFP - This is used to pick a value based on the FP semantics of the
|
||||
/// specified FP model.
|
||||
template <typename T>
|
||||
static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal,
|
||||
T IEEEDoubleVal, T X87DoubleExtendedVal, T PPCDoubleDoubleVal) {
|
||||
if (Sem == &llvm::APFloat::IEEEsingle)
|
||||
return IEEESingleVal;
|
||||
if (Sem == &llvm::APFloat::IEEEdouble)
|
||||
return IEEEDoubleVal;
|
||||
if (Sem == &llvm::APFloat::x87DoubleExtended)
|
||||
return X87DoubleExtendedVal;
|
||||
assert(Sem == &llvm::APFloat::PPCDoubleDouble);
|
||||
return PPCDoubleDoubleVal;
|
||||
}
|
||||
|
||||
static void DefineFloatMacros(std::vector<char> &Buf, const char *Prefix,
|
||||
const llvm::fltSemantics *Sem) {
|
||||
const char *DenormMin, *Epsilon, *Max, *Min;
|
||||
DenormMin = PickFP(Sem, "1.40129846e-45F", "4.9406564584124654e-324",
|
||||
"3.64519953188247460253e-4951L",
|
||||
"4.94065645841246544176568792868221e-324L");
|
||||
int Digits = PickFP(Sem, 6, 15, 18, 31);
|
||||
Epsilon = PickFP(Sem, "1.19209290e-7F", "2.2204460492503131e-16",
|
||||
"1.08420217248550443401e-19L",
|
||||
"4.94065645841246544176568792868221e-324L");
|
||||
int HasInifinity = 1, HasQuietNaN = 1;
|
||||
int MantissaDigits = PickFP(Sem, 24, 53, 64, 106);
|
||||
int Min10Exp = PickFP(Sem, -37, -307, -4931, -291);
|
||||
int Max10Exp = PickFP(Sem, 38, 308, 4932, 308);
|
||||
int MinExp = PickFP(Sem, -125, -1021, -16381, -968);
|
||||
int MaxExp = PickFP(Sem, 128, 1024, 16384, 1024);
|
||||
Min = PickFP(Sem, "1.17549435e-38F", "2.2250738585072014e-308",
|
||||
"3.36210314311209350626e-4932L",
|
||||
"2.00416836000897277799610805135016e-292L");
|
||||
Max = PickFP(Sem, "3.40282347e+38F", "1.7976931348623157e+308",
|
||||
"1.18973149535723176502e+4932L",
|
||||
"1.79769313486231580793728971405301e+308L");
|
||||
|
||||
char MacroBuf[60];
|
||||
sprintf(MacroBuf, "__%s_DENORM_MIN__=%s", Prefix, DenormMin);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_DIG__=%d", Prefix, Digits);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_EPSILON__=%s", Prefix, Epsilon);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_HAS_INFINITY__=%d", Prefix, HasInifinity);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_HAS_QUIET_NAN__=%d", Prefix, HasQuietNaN);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MANT_DIG__=%d", Prefix, MantissaDigits);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MAX_10_EXP__=%d", Prefix, Max10Exp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MAX_EXP__=%d", Prefix, MaxExp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MAX__=%s", Prefix, Max);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MIN_10_EXP__=(%d)", Prefix, Min10Exp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MIN_EXP__=(%d)", Prefix, MinExp);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_MIN__=%s", Prefix, Min);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
sprintf(MacroBuf, "__%s_HAS_DENORM__=1", Prefix);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
|
||||
/// DefineTypeSize - Emit a macro to the predefines buffer that declares a macro
|
||||
/// named MacroName with the max value for a type with width 'TypeWidth' a
|
||||
/// signedness of 'isSigned' and with a value suffix of 'ValSuffix' (e.g. LL).
|
||||
static void DefineTypeSize(const char *MacroName, unsigned TypeWidth,
|
||||
const char *ValSuffix, bool isSigned,
|
||||
std::vector<char> &Buf) {
|
||||
char MacroBuf[60];
|
||||
long long MaxVal;
|
||||
if (isSigned)
|
||||
MaxVal = (1LL << (TypeWidth - 1)) - 1;
|
||||
else
|
||||
MaxVal = ~0LL >> (64-TypeWidth);
|
||||
|
||||
sprintf(MacroBuf, "%s=%llu%s", MacroName, MaxVal, ValSuffix);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
static void DefineType(const char *MacroName, TargetInfo::IntType Ty,
|
||||
std::vector<char> &Buf) {
|
||||
char MacroBuf[60];
|
||||
sprintf(MacroBuf, "%s=%s", MacroName, TargetInfo::getTypeName(Ty));
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
|
||||
static void InitializePredefinedMacros(const TargetInfo &TI,
|
||||
const LangOptions &LangOpts,
|
||||
std::vector<char> &Buf) {
|
||||
char MacroBuf[60];
|
||||
// Compiler version introspection macros.
|
||||
DefineBuiltinMacro(Buf, "__llvm__=1"); // LLVM Backend
|
||||
DefineBuiltinMacro(Buf, "__clang__=1"); // Clang Frontend
|
||||
|
||||
// Currently claim to be compatible with GCC 4.2.1-5621.
|
||||
DefineBuiltinMacro(Buf, "__APPLE_CC__=5621");
|
||||
DefineBuiltinMacro(Buf, "__GNUC_MINOR__=2");
|
||||
DefineBuiltinMacro(Buf, "__GNUC_PATCHLEVEL__=1");
|
||||
DefineBuiltinMacro(Buf, "__GNUC__=4");
|
||||
DefineBuiltinMacro(Buf, "__GXX_ABI_VERSION=1002");
|
||||
DefineBuiltinMacro(Buf, "__VERSION__=\"4.2.1 Compatible Clang Compiler\"");
|
||||
|
||||
|
||||
// Initialize language-specific preprocessor defines.
|
||||
|
||||
// These should all be defined in the preprocessor according to the
|
||||
// current language configuration.
|
||||
if (!LangOpts.Microsoft)
|
||||
DefineBuiltinMacro(Buf, "__STDC__=1");
|
||||
if (LangOpts.AsmPreprocessor)
|
||||
DefineBuiltinMacro(Buf, "__ASSEMBLER__=1");
|
||||
if (LangOpts.C99 && !LangOpts.CPlusPlus)
|
||||
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199901L");
|
||||
else if (0) // STDC94 ?
|
||||
DefineBuiltinMacro(Buf, "__STDC_VERSION__=199409L");
|
||||
|
||||
// Standard conforming mode?
|
||||
if (!LangOpts.GNUMode)
|
||||
DefineBuiltinMacro(Buf, "__STRICT_ANSI__=1");
|
||||
|
||||
if (LangOpts.CPlusPlus0x)
|
||||
DefineBuiltinMacro(Buf, "__GXX_EXPERIMENTAL_CXX0X__");
|
||||
|
||||
if (LangOpts.Freestanding)
|
||||
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=0");
|
||||
else
|
||||
DefineBuiltinMacro(Buf, "__STDC_HOSTED__=1");
|
||||
|
||||
if (LangOpts.ObjC1) {
|
||||
DefineBuiltinMacro(Buf, "__OBJC__=1");
|
||||
if (LangOpts.ObjCNonFragileABI) {
|
||||
DefineBuiltinMacro(Buf, "__OBJC2__=1");
|
||||
DefineBuiltinMacro(Buf, "OBJC_ZEROCOST_EXCEPTIONS=1");
|
||||
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
|
||||
}
|
||||
|
||||
if (LangOpts.getGCMode() != LangOptions::NonGC)
|
||||
DefineBuiltinMacro(Buf, "__OBJC_GC__=1");
|
||||
|
||||
if (LangOpts.NeXTRuntime)
|
||||
DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1");
|
||||
}
|
||||
|
||||
// darwin_constant_cfstrings controls this. This is also dependent
|
||||
// on other things like the runtime I believe. This is set even for C code.
|
||||
DefineBuiltinMacro(Buf, "__CONSTANT_CFSTRINGS__=1");
|
||||
|
||||
if (LangOpts.ObjC2)
|
||||
DefineBuiltinMacro(Buf, "OBJC_NEW_PROPERTIES");
|
||||
|
||||
if (LangOpts.PascalStrings)
|
||||
DefineBuiltinMacro(Buf, "__PASCAL_STRINGS__");
|
||||
|
||||
if (LangOpts.Blocks) {
|
||||
DefineBuiltinMacro(Buf, "__block=__attribute__((__blocks__(byref)))");
|
||||
DefineBuiltinMacro(Buf, "__BLOCKS__=1");
|
||||
}
|
||||
|
||||
if (LangOpts.CPlusPlus) {
|
||||
DefineBuiltinMacro(Buf, "__DEPRECATED=1");
|
||||
DefineBuiltinMacro(Buf, "__EXCEPTIONS=1");
|
||||
DefineBuiltinMacro(Buf, "__GNUG__=4");
|
||||
DefineBuiltinMacro(Buf, "__GXX_WEAK__=1");
|
||||
DefineBuiltinMacro(Buf, "__cplusplus=1");
|
||||
DefineBuiltinMacro(Buf, "__private_extern__=extern");
|
||||
}
|
||||
|
||||
// Filter out some microsoft extensions when trying to parse in ms-compat
|
||||
// mode.
|
||||
if (LangOpts.Microsoft) {
|
||||
DefineBuiltinMacro(Buf, "_cdecl=__cdecl");
|
||||
DefineBuiltinMacro(Buf, "__int8=__INT8_TYPE__");
|
||||
DefineBuiltinMacro(Buf, "__int16=__INT16_TYPE__");
|
||||
DefineBuiltinMacro(Buf, "__int32=__INT32_TYPE__");
|
||||
DefineBuiltinMacro(Buf, "__int64=__INT64_TYPE__");
|
||||
}
|
||||
|
||||
if (LangOpts.Optimize)
|
||||
DefineBuiltinMacro(Buf, "__OPTIMIZE__=1");
|
||||
if (LangOpts.OptimizeSize)
|
||||
DefineBuiltinMacro(Buf, "__OPTIMIZE_SIZE__=1");
|
||||
|
||||
// Initialize target-specific preprocessor defines.
|
||||
|
||||
// Define type sizing macros based on the target properties.
|
||||
assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
|
||||
DefineBuiltinMacro(Buf, "__CHAR_BIT__=8");
|
||||
|
||||
unsigned IntMaxWidth;
|
||||
const char *IntMaxSuffix;
|
||||
if (TI.getIntMaxType() == TargetInfo::SignedLongLong) {
|
||||
IntMaxWidth = TI.getLongLongWidth();
|
||||
IntMaxSuffix = "LL";
|
||||
} else if (TI.getIntMaxType() == TargetInfo::SignedLong) {
|
||||
IntMaxWidth = TI.getLongWidth();
|
||||
IntMaxSuffix = "L";
|
||||
} else {
|
||||
assert(TI.getIntMaxType() == TargetInfo::SignedInt);
|
||||
IntMaxWidth = TI.getIntWidth();
|
||||
IntMaxSuffix = "";
|
||||
}
|
||||
|
||||
DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
|
||||
DefineTypeSize("__SHRT_MAX__", TI.getShortWidth(), "", true, Buf);
|
||||
DefineTypeSize("__INT_MAX__", TI.getIntWidth(), "", true, Buf);
|
||||
DefineTypeSize("__LONG_MAX__", TI.getLongWidth(), "L", true, Buf);
|
||||
DefineTypeSize("__LONG_LONG_MAX__", TI.getLongLongWidth(), "LL", true, Buf);
|
||||
DefineTypeSize("__WCHAR_MAX__", TI.getWCharWidth(), "", true, Buf);
|
||||
DefineTypeSize("__INTMAX_MAX__", IntMaxWidth, IntMaxSuffix, true, Buf);
|
||||
|
||||
DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf);
|
||||
DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf);
|
||||
DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf);
|
||||
DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf);
|
||||
DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf);
|
||||
DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf);
|
||||
// FIXME: TargetInfo hookize __WINT_TYPE__.
|
||||
DefineBuiltinMacro(Buf, "__WINT_TYPE__=int");
|
||||
|
||||
DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
|
||||
DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());
|
||||
DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat());
|
||||
|
||||
// Define a __POINTER_WIDTH__ macro for stdint.h.
|
||||
sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0));
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
|
||||
if (!TI.isCharSigned())
|
||||
DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__");
|
||||
|
||||
// Define fixed-sized integer types for stdint.h
|
||||
assert(TI.getCharWidth() == 8 && "unsupported target types");
|
||||
assert(TI.getShortWidth() == 16 && "unsupported target types");
|
||||
DefineBuiltinMacro(Buf, "__INT8_TYPE__=char");
|
||||
DefineBuiltinMacro(Buf, "__INT16_TYPE__=short");
|
||||
|
||||
if (TI.getIntWidth() == 32)
|
||||
DefineBuiltinMacro(Buf, "__INT32_TYPE__=int");
|
||||
else {
|
||||
assert(TI.getLongLongWidth() == 32 && "unsupported target types");
|
||||
DefineBuiltinMacro(Buf, "__INT32_TYPE__=long long");
|
||||
}
|
||||
|
||||
// 16-bit targets doesn't necessarily have a 64-bit type.
|
||||
if (TI.getLongLongWidth() == 64)
|
||||
DefineBuiltinMacro(Buf, "__INT64_TYPE__=long long");
|
||||
|
||||
// Add __builtin_va_list typedef.
|
||||
{
|
||||
const char *VAList = TI.getVAListDeclaration();
|
||||
Buf.insert(Buf.end(), VAList, VAList+strlen(VAList));
|
||||
Buf.push_back('\n');
|
||||
}
|
||||
|
||||
if (const char *Prefix = TI.getUserLabelPrefix()) {
|
||||
sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
// Build configuration options. FIXME: these should be controlled by
|
||||
// command line options or something.
|
||||
DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");
|
||||
|
||||
if (LangOpts.Static)
|
||||
DefineBuiltinMacro(Buf, "__STATIC__=1");
|
||||
else
|
||||
DefineBuiltinMacro(Buf, "__DYNAMIC__=1");
|
||||
|
||||
if (LangOpts.GNUInline)
|
||||
DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
|
||||
else
|
||||
DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");
|
||||
|
||||
if (LangOpts.NoInline)
|
||||
DefineBuiltinMacro(Buf, "__NO_INLINE__=1");
|
||||
|
||||
if (unsigned PICLevel = LangOpts.PICLevel) {
|
||||
sprintf(MacroBuf, "__PIC__=%d", PICLevel);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
|
||||
sprintf(MacroBuf, "__pic__=%d", PICLevel);
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
}
|
||||
|
||||
// Macros to control C99 numerics and <float.h>
|
||||
DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0");
|
||||
DefineBuiltinMacro(Buf, "__FLT_RADIX__=2");
|
||||
sprintf(MacroBuf, "__DECIMAL_DIG__=%d",
|
||||
PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33));
|
||||
DefineBuiltinMacro(Buf, MacroBuf);
|
||||
|
||||
// Get other target #defines.
|
||||
TI.getTargetDefines(LangOpts, Buf);
|
||||
}
|
||||
|
||||
static bool InitializeSourceManager(Preprocessor &PP,
|
||||
const std::string &InFile) {
|
||||
// Figure out where to get and map in the main file.
|
||||
|
|
@ -1484,78 +1069,37 @@ static bool InitializeSourceManager(Preprocessor &PP,
|
|||
return false;
|
||||
}
|
||||
|
||||
/// InitializePreprocessor - Initialize the preprocessor getting it and the
|
||||
/// environment ready to process a single file. This returns true on error.
|
||||
///
|
||||
static bool InitializePreprocessor(Preprocessor &PP,
|
||||
const std::string &InFile) {
|
||||
std::vector<char> PredefineBuffer;
|
||||
|
||||
// Install things like __POWERPC__, __GNUC__, etc into the macro table.
|
||||
InitializePredefinedMacros(PP.getTargetInfo(), PP.getLangOptions(),
|
||||
PredefineBuffer);
|
||||
|
||||
// Add on the predefines from the driver. Wrap in a #line directive to report
|
||||
// that they come from the command line.
|
||||
const char *LineDirective = "# 1 \"<command line>\" 1\n";
|
||||
PredefineBuffer.insert(PredefineBuffer.end(),
|
||||
LineDirective, LineDirective+strlen(LineDirective));
|
||||
|
||||
|
||||
// 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)))
|
||||
DefineBuiltinMacro(PredefineBuffer, D_macros[d++].c_str());
|
||||
else
|
||||
DefineBuiltinMacro(PredefineBuffer, U_macros[u++].c_str(), "#undef ");
|
||||
}
|
||||
//===----------------------------------------------------------------------===//
|
||||
// Preprocessor Initialization
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
// If -imacros are specified, include them now. These are processed before
|
||||
// any -include directives.
|
||||
// FIXME: Preprocessor builtins to support.
|
||||
// -A... - Play with #assertions
|
||||
// -undef - Undefine all predefined macros
|
||||
|
||||
for (unsigned i = 0, e = ImplicitMacroIncludes.size(); i != e; ++i)
|
||||
AddImplicitIncludeMacros(PredefineBuffer, ImplicitMacroIncludes[i]);
|
||||
|
||||
if (!ImplicitIncludePTH.empty() || !ImplicitIncludes.empty()) {
|
||||
// We want to add these paths to the predefines buffer in order, make a
|
||||
// temporary vector to sort by their occurrence.
|
||||
llvm::SmallVector<std::pair<unsigned, std::string*>, 8> OrderedPaths;
|
||||
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>
|
||||
U_macros("U", llvm::cl::value_desc("macro"), llvm::cl::Prefix,
|
||||
llvm::cl::desc("Undefine the specified macro"));
|
||||
|
||||
if (!ImplicitIncludePTH.empty())
|
||||
OrderedPaths.push_back(std::make_pair(ImplicitIncludePTH.getPosition(),
|
||||
&ImplicitIncludePTH));
|
||||
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());
|
||||
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"));
|
||||
|
||||
// Now that they are ordered by position, add to the predefines buffer.
|
||||
for (unsigned i = 0, e = OrderedPaths.size(); i != e; ++i) {
|
||||
std::string *Ptr = OrderedPaths[i].second;
|
||||
if (!ImplicitIncludes.empty() &&
|
||||
Ptr >= &ImplicitIncludes[0] &&
|
||||
Ptr <= &ImplicitIncludes[ImplicitIncludes.size()-1]) {
|
||||
AddImplicitInclude(PredefineBuffer, *Ptr);
|
||||
} else {
|
||||
assert(Ptr == &ImplicitIncludePTH);
|
||||
AddImplicitIncludePTH(PredefineBuffer, PP);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
LineDirective = "# 2 \"<built-in>\" 2\n";
|
||||
PredefineBuffer.insert(PredefineBuffer.end(),
|
||||
LineDirective, LineDirective+strlen(LineDirective));
|
||||
|
||||
// Null terminate PredefinedBuffer and add it.
|
||||
PredefineBuffer.push_back(0);
|
||||
PP.setPredefines(&PredefineBuffer[0]);
|
||||
|
||||
// Once we've read this, we're done.
|
||||
return false;
|
||||
}
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
// Preprocessor include path information.
|
||||
|
|
@ -1717,6 +1261,52 @@ void InitializeIncludePaths(const char *Argv0, HeaderSearch &Headers,
|
|||
Init.Realize();
|
||||
}
|
||||
|
||||
void InitializePreprocessorInitOptions(PreprocessorInitOptions &InitOpts)
|
||||
{
|
||||
// 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)))
|
||||
InitOpts.addMacroDef(D_macros[d++]);
|
||||
else
|
||||
InitOpts.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)
|
||||
InitOpts.addMacroInclude(ImplicitMacroIncludes[i]);
|
||||
|
||||
if (!ImplicitIncludePTH.empty() || !ImplicitIncludes.empty()) {
|
||||
// We want to add these paths to the predefines buffer in order, make a
|
||||
// temporary vector to sort by their occurrence.
|
||||
llvm::SmallVector<std::pair<unsigned, std::string*>, 8> OrderedPaths;
|
||||
|
||||
if (!ImplicitIncludePTH.empty())
|
||||
OrderedPaths.push_back(std::make_pair(ImplicitIncludePTH.getPosition(),
|
||||
&ImplicitIncludePTH));
|
||||
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());
|
||||
|
||||
|
||||
// Now that they are ordered by position, add to the predefines buffer.
|
||||
for (unsigned i = 0, e = OrderedPaths.size(); i != e; ++i) {
|
||||
std::string *Ptr = OrderedPaths[i].second;
|
||||
if (!ImplicitIncludes.empty() &&
|
||||
Ptr >= &ImplicitIncludes[0] &&
|
||||
Ptr <= &ImplicitIncludes[ImplicitIncludes.size()-1]) {
|
||||
InitOpts.addInclude(*Ptr, false);
|
||||
} else {
|
||||
assert(Ptr == &ImplicitIncludePTH);
|
||||
InitOpts.addInclude(*Ptr, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//===----------------------------------------------------------------------===//
|
||||
// Driver PreprocessorFactory - For lazily generating preprocessors ...
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
|
@ -1774,9 +1364,11 @@ public:
|
|||
PP->setPTHManager(PTHMgr.take());
|
||||
}
|
||||
|
||||
if (InitializePreprocessor(*PP, InFile))
|
||||
PreprocessorInitOptions InitOpts;
|
||||
InitializePreprocessorInitOptions(InitOpts);
|
||||
if (InitializePreprocessor(*PP, InFile, InitOpts))
|
||||
return 0;
|
||||
|
||||
|
||||
/// FIXME: PP can only handle one callback
|
||||
if (ProgAction != PrintPreprocessedInput) {
|
||||
std::string ErrStr;
|
||||
|
|
|
|||
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Ссылка в новой задаче