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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_ | 5 #ifndef TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_ |
6 #define TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_ | 6 #define TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "tools/gn/config_values.h" | 9 #include "tools/gn/config_values.h" |
10 #include "tools/gn/ninja_target_writer.h" | 10 #include "tools/gn/ninja_target_writer.h" |
11 #include "tools/gn/toolchain.h" | 11 #include "tools/gn/toolchain.h" |
12 #include "tools/gn/unique_vector.h" | 12 #include "tools/gn/unique_vector.h" |
13 | 13 |
14 struct EscapeOptions; | 14 struct EscapeOptions; |
| 15 class SourceFileTypeSet; |
15 | 16 |
16 // Writes a .ninja file for a binary target type (an executable, a shared | 17 // Writes a .ninja file for a binary target type (an executable, a shared |
17 // library, or a static library). | 18 // library, or a static library). |
18 class NinjaBinaryTargetWriter : public NinjaTargetWriter { | 19 class NinjaBinaryTargetWriter : public NinjaTargetWriter { |
19 public: | 20 public: |
| 21 class SourceFileTypeSet; |
| 22 |
20 NinjaBinaryTargetWriter(const Target* target, std::ostream& out); | 23 NinjaBinaryTargetWriter(const Target* target, std::ostream& out); |
21 ~NinjaBinaryTargetWriter() override; | 24 ~NinjaBinaryTargetWriter() override; |
22 | 25 |
23 void Run() override; | 26 void Run() override; |
24 | 27 |
25 private: | 28 private: |
26 typedef std::set<OutputFile> OutputFileSet; | 29 typedef std::set<OutputFile> OutputFileSet; |
27 | 30 |
28 void WriteCompilerVars(); | 31 // Writes all flags for the compiler: includes, defines, cflags, etc. |
29 void WriteSources(std::vector<OutputFile>* object_files, | 32 void WriteCompilerVars(const SourceFileTypeSet& used_types); |
| 33 |
| 34 // has_precompiled_headers is set when this substitution matches a tool type |
| 35 // that supports precompiled headers, and this target supports precompiled |
| 36 // headers. It doesn't indicate if the tool has precompiled headers (this |
| 37 // will be looked up by this function). |
| 38 // |
| 39 // The tool_type indicates the corresponding tool for flags that are |
| 40 // tool-specific (e.g. "cflags_c"). For non-tool-specific flags (e.g. |
| 41 // "defines") tool_type should be TYPE_NONE. |
| 42 void WriteOneFlag( |
| 43 SubstitutionType subst_enum, |
| 44 bool has_precompiled_headers, |
| 45 Toolchain::ToolType tool_type, |
| 46 const std::vector<std::string>& (ConfigValues::* getter)() const, |
| 47 EscapeOptions flag_escape_options); |
| 48 |
| 49 // Writes build lines required for precompiled headers. Any generated |
| 50 // object files will be appended to the given vector. |
| 51 // |
| 52 // input_dep is the stamp file collecting the dependencies required before |
| 53 // compiling this target. It will be empty if there are no input deps. |
| 54 void WritePrecompiledHeaderCommands(const SourceFileTypeSet& used_types, |
| 55 const OutputFile& input_dep, |
| 56 std::vector<OutputFile>* object_files); |
| 57 |
| 58 // Writes a Windows .pch compile build line for a language type. |
| 59 void WriteWindowsPCHCommand(SubstitutionType flag_type, |
| 60 Toolchain::ToolType tool_type, |
| 61 const OutputFile& input_dep, |
| 62 std::vector<OutputFile>* object_files); |
| 63 |
| 64 // extra_deps are additional dependencies to run before the rule. |
| 65 // |
| 66 // iorder_only_dep is the name of the stamp file that covers the dependencies |
| 67 // that must be run before doing any compiles. |
| 68 // |
| 69 // The files produced by the compiler will be added to two output vectors. |
| 70 void WriteSources(const std::vector<OutputFile>& extra_deps, |
| 71 const OutputFile& order_only_dep, |
| 72 std::vector<OutputFile>* object_files, |
30 std::vector<SourceFile>* other_files); | 73 std::vector<SourceFile>* other_files); |
| 74 |
| 75 // Writes a build line. |
| 76 void WriteCompilerBuildLine(const SourceFile& source, |
| 77 const std::vector<OutputFile>& extra_deps, |
| 78 const OutputFile& order_only_dep, |
| 79 Toolchain::ToolType tool_type, |
| 80 const std::vector<OutputFile>& outputs); |
| 81 |
31 void WriteLinkerStuff(const std::vector<OutputFile>& object_files, | 82 void WriteLinkerStuff(const std::vector<OutputFile>& object_files, |
32 const std::vector<SourceFile>& other_files); | 83 const std::vector<SourceFile>& other_files); |
33 void WriteLinkerFlags(const SourceFile* optional_def_file); | 84 void WriteLinkerFlags(const SourceFile* optional_def_file); |
34 void WriteLibs(); | 85 void WriteLibs(); |
35 void WriteOutputExtension(); | 86 void WriteOutputExtension(); |
36 void WriteSolibs(const std::vector<OutputFile>& solibs); | 87 void WriteSolibs(const std::vector<OutputFile>& solibs); |
37 | 88 |
38 // Writes the stamp line for a source set. These are not linked. | 89 // Writes the stamp line for a source set. These are not linked. |
39 void WriteSourceSetStamp(const std::vector<OutputFile>& object_files); | 90 void WriteSourceSetStamp(const std::vector<OutputFile>& object_files); |
40 | 91 |
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54 UniqueVector<const Target*>* non_linkable_deps) const; | 105 UniqueVector<const Target*>* non_linkable_deps) const; |
55 | 106 |
56 // Writes the implicit dependencies for the link or stamp line. This is | 107 // Writes the implicit dependencies for the link or stamp line. This is |
57 // the "||" and everything following it on the ninja line. | 108 // the "||" and everything following it on the ninja line. |
58 // | 109 // |
59 // The order-only dependencies are the non-linkable deps passed in as an | 110 // The order-only dependencies are the non-linkable deps passed in as an |
60 // argument, plus the data file depdencies in the target. | 111 // argument, plus the data file depdencies in the target. |
61 void WriteOrderOnlyDependencies( | 112 void WriteOrderOnlyDependencies( |
62 const UniqueVector<const Target*>& non_linkable_deps); | 113 const UniqueVector<const Target*>& non_linkable_deps); |
63 | 114 |
64 // Computes the set of output files resulting from compiling the given source | 115 // Returns the computed name of the Windows .pch file for the given |
65 // file. If the file can be compiled and the tool exists, fills the outputs in | 116 // tool type. The tool must support precompiled headers. |
66 // and writes the tool type to computed_tool_type. If the file is not | 117 OutputFile GetWindowsPCHFile(Toolchain::ToolType tool_type) const; |
67 // compilable, returns false. | |
68 // | |
69 // The target that the source belongs to is passed as an argument. In the | |
70 // case of linking to source sets, this can be different than the target | |
71 // this class is currently writing. | |
72 // | |
73 // The function can succeed with a "NONE" tool type for object files which are | |
74 // just passed to the output. The output will always be overwritten, not | |
75 // appended to. | |
76 bool GetOutputFilesForSource(const Target* target, | |
77 const SourceFile& source, | |
78 Toolchain::ToolType* computed_tool_type, | |
79 std::vector<OutputFile>* outputs) const; | |
80 | 118 |
81 const Tool* tool_; | 119 const Tool* tool_; |
82 | 120 |
| 121 // Cached version of the prefix used for rule types for this toolchain. |
| 122 std::string rule_prefix_; |
| 123 |
83 DISALLOW_COPY_AND_ASSIGN(NinjaBinaryTargetWriter); | 124 DISALLOW_COPY_AND_ASSIGN(NinjaBinaryTargetWriter); |
84 }; | 125 }; |
85 | 126 |
86 #endif // TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_ | 127 #endif // TOOLS_GN_NINJA_BINARY_TARGET_WRITER_H_ |
87 | 128 |
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