tools/gn/toolchain.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "tools/gn/toolchain.h"
   6
   7 #include <string.h>
   8
   9 #include "base/logging.h"
  10 #include "tools/gn/target.h"
  11 #include "tools/gn/value.h"
  12
  13 const char* Toolchain::kToolCc = "cc";
  14 const char* Toolchain::kToolCxx = "cxx";
  15 const char* Toolchain::kToolObjC = "objc";
  16 const char* Toolchain::kToolObjCxx = "objcxx";
  17 const char* Toolchain::kToolRc = "rc";
  18 const char* Toolchain::kToolAsm = "asm";
  19 const char* Toolchain::kToolAlink = "alink";
  20 const char* Toolchain::kToolSolink = "solink";
  21 const char* Toolchain::kToolLink = "link";
  22 const char* Toolchain::kToolStamp = "stamp";
  23 const char* Toolchain::kToolCopy = "copy";
  24
  25 Toolchain::Toolchain(const Settings* settings, const Label& label)
  26     : Item(settings, label),
  27       concurrent_links_(0),
  28       setup_complete_(false) {
  29 }
  30
  31 Toolchain::~Toolchain() {
  32 }
  33
  34 Toolchain* Toolchain::AsToolchain() {
  35   return this;
  36 }
  37
  38 const Toolchain* Toolchain::AsToolchain() const {
  39   return this;
  40 }
  41
  42 // static
  43 Toolchain::ToolType Toolchain::ToolNameToType(const base::StringPiece& str) {
  44   if (str == kToolCc) return TYPE_CC;
  45   if (str == kToolCxx) return TYPE_CXX;
  46   if (str == kToolObjC) return TYPE_OBJC;
  47   if (str == kToolObjCxx) return TYPE_OBJCXX;
  48   if (str == kToolRc) return TYPE_RC;
  49   if (str == kToolAsm) return TYPE_ASM;
  50   if (str == kToolAlink) return TYPE_ALINK;
  51   if (str == kToolSolink) return TYPE_SOLINK;
  52   if (str == kToolLink) return TYPE_LINK;
  53   if (str == kToolStamp) return TYPE_STAMP;
  54   if (str == kToolCopy) return TYPE_COPY;
  55   return TYPE_NONE;
  56 }
  57
  58 // static
  59 std::string Toolchain::ToolTypeToName(ToolType type) {
  60   switch (type) {
  61     case TYPE_CC: return kToolCc;
  62     case TYPE_CXX: return kToolCxx;
  63     case TYPE_OBJC: return kToolObjC;
  64     case TYPE_OBJCXX: return kToolObjCxx;
  65     case TYPE_RC: return kToolRc;
  66     case TYPE_ASM: return kToolAsm;
  67     case TYPE_ALINK: return kToolAlink;
  68     case TYPE_SOLINK: return kToolSolink;
  69     case TYPE_LINK: return kToolLink;
  70     case TYPE_STAMP: return kToolStamp;
  71     case TYPE_COPY: return kToolCopy;
  72     default:
  73       NOTREACHED();
  74       return std::string();
  75   }
  76 }
  77
  78 const Tool* Toolchain::GetTool(ToolType type) const {
  79   DCHECK(type != TYPE_NONE);
  80   return tools_[static_cast<size_t>(type)].get();
  81 }
  82
  83 void Toolchain::SetTool(ToolType type, scoped_ptr<Tool> t) {
  84   DCHECK(type != TYPE_NONE);
  85   DCHECK(!tools_[type].get());
  86   t->SetComplete();
  87   tools_[type] = t.Pass();
  88 }
  89
  90 void Toolchain::ToolchainSetupComplete() {
  91   // Collect required bits from all tools.
  92   for (const auto& tool : tools_) {
  93     if (tool)
  94       substitution_bits_.MergeFrom(tool->substitution_bits());
  95   }
  96
  97   setup_complete_ = true;
  98 }
  99
 100 // static
 101 Toolchain::ToolType Toolchain::GetToolTypeForSourceType(SourceFileType type) {
 102   switch (type) {
 103     case SOURCE_C:
 104       return TYPE_CC;
 105     case SOURCE_CC:
 106       return TYPE_CXX;
 107     case SOURCE_M:
 108       return TYPE_OBJC;
 109     case SOURCE_MM:
 110       return TYPE_OBJCXX;
 111     case SOURCE_ASM:
 112     case SOURCE_S:
 113       return TYPE_ASM;
 114     case SOURCE_RC:
 115       return TYPE_RC;
 116     case SOURCE_UNKNOWN:
 117     case SOURCE_H:
 118     case SOURCE_O:
 119       return TYPE_NONE;
 120     default:
 121       NOTREACHED();
 122       return TYPE_NONE;
 123   }
 124 }
 125
 126 const Tool* Toolchain::GetToolForSourceType(SourceFileType type) {
 127   return tools_[GetToolTypeForSourceType(type)].get();
 128 }
 129
 130 // static
 131 Toolchain::ToolType Toolchain::GetToolTypeForTargetFinalOutput(
 132     const Target* target) {
 133   // The contents of this list might be suprising (i.e. stamp tool for copy
 134   // rules). See the header for why.
 135   switch (target->output_type()) {
 136     case Target::GROUP:
 137       return TYPE_STAMP;
 138     case Target::EXECUTABLE:
 139       return Toolchain::TYPE_LINK;
 140     case Target::SHARED_LIBRARY:
 141       return Toolchain::TYPE_SOLINK;
 142     case Target::STATIC_LIBRARY:
 143       return Toolchain::TYPE_ALINK;
 144     case Target::SOURCE_SET:
 145       return TYPE_STAMP;
 146     case Target::COPY_FILES:
 147     case Target::ACTION:
 148     case Target::ACTION_FOREACH:
 149       return TYPE_STAMP;
 150     default:
 151       NOTREACHED();
 152       return Toolchain::TYPE_NONE;
 153   }
 154 }
 155
 156 const Tool* Toolchain::GetToolForTargetFinalOutput(const Target* target) const {
 157   return tools_[GetToolTypeForTargetFinalOutput(target)].get();
 158 }