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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_TARGET_GENERATOR_H_ | 5 #ifndef TOOLS_GN_TARGET_GENERATOR_H_ |
6 #define TOOLS_GN_TARGET_GENERATOR_H_ | 6 #define TOOLS_GN_TARGET_GENERATOR_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "tools/gn/source_dir.h" | 13 #include "tools/gn/source_dir.h" |
14 #include "tools/gn/target.h" | 14 #include "tools/gn/target.h" |
15 | 15 |
16 class BuildSettings; | 16 class BuildSettings; |
17 class Err; | 17 class Err; |
| 18 class FunctionCallNode; |
18 class Location; | 19 class Location; |
19 class Scope; | 20 class Scope; |
20 class Token; | |
21 class Value; | 21 class Value; |
22 | 22 |
23 // Fills the variables in a Target object from a Scope (the result of a script | 23 // Fills the variables in a Target object from a Scope (the result of a script |
24 // execution). Target-type-specific derivations of this class will be used | 24 // execution). Target-type-specific derivations of this class will be used |
25 // for each different type of function call. This class implements the common | 25 // for each different type of function call. This class implements the common |
26 // behavior. | 26 // behavior. |
27 class TargetGenerator { | 27 class TargetGenerator { |
28 public: | 28 public: |
29 TargetGenerator(Target* target, | 29 TargetGenerator(Target* target, |
30 Scope* scope, | 30 Scope* scope, |
31 const Token& function_token, | 31 const FunctionCallNode* function_call, |
32 Err* err); | 32 Err* err); |
33 ~TargetGenerator(); | 33 ~TargetGenerator(); |
34 | 34 |
35 void Run(); | 35 void Run(); |
36 | 36 |
37 // The function token is the token of the function name of the generator for | 37 // The function call is the parse tree node that invoked the target. |
38 // this target. err() will be set on failure. | 38 // err() will be set on failure. |
39 static void GenerateTarget(Scope* scope, | 39 static void GenerateTarget(Scope* scope, |
40 const Token& function_token, | 40 const FunctionCallNode* function_call, |
41 const std::vector<Value>& args, | 41 const std::vector<Value>& args, |
42 const std::string& output_type, | 42 const std::string& output_type, |
43 Err* err); | 43 Err* err); |
44 | 44 |
45 protected: | 45 protected: |
46 // Derived classes implement this to do type-specific generation. | 46 // Derived classes implement this to do type-specific generation. |
47 virtual void DoRun() = 0; | 47 virtual void DoRun() = 0; |
48 | 48 |
49 const BuildSettings* GetBuildSettings() const; | 49 const BuildSettings* GetBuildSettings() const; |
50 | 50 |
51 void FillSources(); | 51 void FillSources(); |
52 void FillSourcePrereqs(); | 52 void FillSourcePrereqs(); |
53 void FillConfigs(); | 53 void FillConfigs(); |
54 void FillExternal(); | 54 void FillExternal(); |
55 void FillOutputs(); | 55 void FillOutputs(); |
56 | 56 |
57 // Sets the current toolchain as a dependecy of this target. All targets with | |
58 // a dependency on the toolchain should call this function. | |
59 void SetToolchainDependency(); | |
60 | |
61 Target* target_; | 57 Target* target_; |
62 Scope* scope_; | 58 Scope* scope_; |
63 const Token& function_token_; | 59 const FunctionCallNode* function_call_; |
64 Err* err_; | 60 Err* err_; |
65 | 61 |
66 private: | 62 private: |
67 void FillDependentConfigs(); // Includes all types of dependent configs. | 63 void FillDependentConfigs(); // Includes all types of dependent configs. |
68 void FillData(); | 64 void FillData(); |
69 void FillDependencies(); // Includes data dependencies. | 65 void FillDependencies(); // Includes data dependencies. |
70 void FillGypFile(); | 66 void FillGypFile(); |
71 void FillHardDep(); | 67 void FillHardDep(); |
72 | 68 |
73 // Reads configs/deps from the given var name, and uses the given setting on | 69 // Reads configs/deps from the given var name, and uses the given setting on |
74 // the target to save them. | 70 // the target to save them. |
75 void FillGenericConfigs(const char* var_name, LabelConfigVector* dest); | 71 void FillGenericConfigs(const char* var_name, LabelConfigVector* dest); |
76 void FillGenericDeps(const char* var_name, LabelTargetVector* dest); | 72 void FillGenericDeps(const char* var_name, LabelTargetVector* dest); |
77 | 73 |
78 void FillForwardDependentConfigs(); | 74 void FillForwardDependentConfigs(); |
79 | 75 |
80 DISALLOW_COPY_AND_ASSIGN(TargetGenerator); | 76 DISALLOW_COPY_AND_ASSIGN(TargetGenerator); |
81 }; | 77 }; |
82 | 78 |
83 #endif // TOOLS_GN_TARGET_GENERATOR_H_ | 79 #endif // TOOLS_GN_TARGET_GENERATOR_H_ |
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