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| 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 #ifndef TOOLS_GN_BUILD_SETTINGS_H_ |
| 6 #define TOOLS_GN_BUILD_SETTINGS_H_ |
| 7 |
| 8 #include "base/basictypes.h" |
| 9 #include "base/callback.h" |
| 10 #include "base/files/file_path.h" |
| 11 #include "tools/gn/item_tree.h" |
| 12 #include "tools/gn/scope.h" |
| 13 #include "tools/gn/source_dir.h" |
| 14 #include "tools/gn/source_file.h" |
| 15 #include "tools/gn/target_manager.h" |
| 16 #include "tools/gn/toolchain_manager.h" |
| 17 |
| 18 // Settings for one build, which is one toplevel output directory. There |
| 19 // may be multiple Settings objects that refer to this, one for each toolchain. |
| 20 class BuildSettings { |
| 21 public: |
| 22 typedef base::Callback<void(const Target*)> TargetResolvedCallback; |
| 23 |
| 24 BuildSettings(); |
| 25 ~BuildSettings(); |
| 26 |
| 27 // Absolute path of the source root on the local system. Everything is |
| 28 // relative to this. |
| 29 const base::FilePath& root_path() const { return root_path_; } |
| 30 void set_root_path(const base::FilePath& r) { root_path_ = r; } |
| 31 |
| 32 // When nonempty, specifies a parallel directory higherarchy in which to |
| 33 // search for buildfiles if they're not found in the root higherarchy. This |
| 34 // allows us to keep buildfiles in a separate tree during development. |
| 35 const base::FilePath& secondary_source_path() const { |
| 36 return secondary_source_path_; |
| 37 } |
| 38 void SetSecondarySourcePath(const SourceDir& d); |
| 39 |
| 40 // Path of the python executable to run scripts with. |
| 41 base::FilePath python_path() const { return python_path_; } |
| 42 void set_python_path(const base::FilePath& p) { python_path_ = p; } |
| 43 |
| 44 const SourceFile& build_config_file() const { return build_config_file_; } |
| 45 void set_build_config_file(const SourceFile& f) { build_config_file_ = f; } |
| 46 |
| 47 // The build directory is the root of all output files. The default toolchain |
| 48 // files go into here, and non-default toolchains will have separate |
| 49 // toolchain-specific root directories inside this. |
| 50 const SourceDir& build_dir() const { return build_dir_; } |
| 51 void SetBuildDir(const SourceDir& dir); |
| 52 |
| 53 // The inverse of relative_build_dir, ending with a separator. |
| 54 // Example: relative_build_dir_ = "out/Debug/" this will be "../../" |
| 55 const std::string& build_to_source_dir_string() const { |
| 56 return build_to_source_dir_string_; |
| 57 } |
| 58 |
| 59 // These accessors do not return const objects since the resulting objects |
| 60 // are threadsafe. In this setting, we use constness primarily to ensure |
| 61 // that the Settings object is used in a threadsafe manner. Although this |
| 62 // violates the concept of logical constness, that's less important in our |
| 63 // application, and actually implementing this in a way that preserves |
| 64 // logical constness is cumbersome. |
| 65 ItemTree& item_tree() const { return item_tree_; } |
| 66 TargetManager& target_manager() const { return target_manager_; } |
| 67 ToolchainManager& toolchain_manager() const { return toolchain_manager_; } |
| 68 |
| 69 // Returns the full absolute OS path cooresponding to the given file in the |
| 70 // root source tree. |
| 71 base::FilePath GetFullPath(const SourceFile& file) const; |
| 72 base::FilePath GetFullPath(const SourceDir& dir) const; |
| 73 |
| 74 // Returns the absolute OS path inside the secondary source path. Will return |
| 75 // an empty FilePath if the secondary source path is empty. When loading a |
| 76 // buildfile, the GetFullPath should always be consulted first. |
| 77 base::FilePath GetFullPathSecondary(const SourceFile& file) const; |
| 78 base::FilePath GetFullPathSecondary(const SourceDir& dir) const; |
| 79 |
| 80 // This is the callback to execute when a target is marked resolved. If we |
| 81 // don't need to do anything, this will be null. When a target is resolved, |
| 82 // this callback should be posted to the scheduler pool so the work is |
| 83 // distributed properly. |
| 84 const TargetResolvedCallback& target_resolved_callback() const { |
| 85 return target_resolved_callback_; |
| 86 } |
| 87 void set_target_resolved_callback(const TargetResolvedCallback& cb) { |
| 88 target_resolved_callback_ = cb; |
| 89 } |
| 90 |
| 91 private: |
| 92 base::FilePath root_path_; |
| 93 base::FilePath secondary_source_path_; |
| 94 base::FilePath python_path_; |
| 95 |
| 96 SourceFile build_config_file_; |
| 97 SourceDir build_dir_; |
| 98 std::string build_to_source_dir_string_; |
| 99 |
| 100 TargetResolvedCallback target_resolved_callback_; |
| 101 |
| 102 // See getters above. |
| 103 mutable ItemTree item_tree_; |
| 104 mutable TargetManager target_manager_; |
| 105 mutable ToolchainManager toolchain_manager_; |
| 106 |
| 107 DISALLOW_COPY_AND_ASSIGN(BuildSettings); |
| 108 }; |
| 109 |
| 110 #endif // TOOLS_GN_BUILD_SETTINGS_H_ |
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