OLD | NEW |
---|---|
1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 """Extracts native methods from a Java file and generates the JNI bindings. | 6 """Extracts native methods from a Java file and generates the JNI bindings. |
7 If you change this, please run and update the tests.""" | 7 If you change this, please run and update the tests.""" |
8 | 8 |
9 import collections | 9 import collections |
10 import errno | 10 import errno |
(...skipping 722 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
733 | 733 |
734 } // namespace | 734 } // namespace |
735 | 735 |
736 $OPEN_NAMESPACE | 736 $OPEN_NAMESPACE |
737 | 737 |
738 $CONSTANT_FIELDS | 738 $CONSTANT_FIELDS |
739 | 739 |
740 // Step 2: method stubs. | 740 // Step 2: method stubs. |
741 $METHOD_STUBS | 741 $METHOD_STUBS |
742 | 742 |
743 // Step 3: RegisterNatives. | |
744 $JNI_NATIVE_METHODS | 743 $JNI_NATIVE_METHODS |
745 $REGISTER_NATIVES | 744 $REGISTER_NATIVES |
746 $CLOSE_NAMESPACE | 745 $CLOSE_NAMESPACE |
747 | 746 |
748 #endif // ${HEADER_GUARD} | 747 #endif // ${HEADER_GUARD} |
749 """) | 748 """) |
750 values = { | 749 values = { |
751 'SCRIPT_NAME': self.options.script_name, | 750 'SCRIPT_NAME': self.options.script_name, |
752 'FULLY_QUALIFIED_CLASS': self.fully_qualified_class, | 751 'FULLY_QUALIFIED_CLASS': self.fully_qualified_class, |
753 'CLASS_PATH_DEFINITIONS': self.GetClassPathDefinitionsString(), | 752 'CLASS_PATH_DEFINITIONS': self.GetClassPathDefinitionsString(), |
(...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
810 for clazz in all_classes: | 809 for clazz in all_classes: |
811 kmethods = self.GetKMethodsString(clazz) | 810 kmethods = self.GetKMethodsString(clazz) |
812 if kmethods: | 811 if kmethods: |
813 values = {'JAVA_CLASS': clazz, | 812 values = {'JAVA_CLASS': clazz, |
814 'KMETHODS': kmethods} | 813 'KMETHODS': kmethods} |
815 ret += [template.substitute(values)] | 814 ret += [template.substitute(values)] |
816 if not ret: return '' | 815 if not ret: return '' |
817 return '\n' + '\n'.join(ret) | 816 return '\n' + '\n'.join(ret) |
818 | 817 |
819 def GetJNINativeMethodsString(self): | 818 def GetJNINativeMethodsString(self): |
820 """Returns the implementation of the array of native methods.""" | 819 """Returns the implementation of the array of native methods.""" |
no sievers
2016/07/13 01:47:47
maybe this should also have an early-out? can i ch
| |
821 if self.options.native_exports and not self.options.native_exports_optional: | 820 if self.options.native_exports and not self.options.native_exports_optional: |
822 return '' | 821 return '' |
823 template = Template("""\ | 822 template = Template("""\ |
824 static const JNINativeMethod kMethods${JAVA_CLASS}[] = { | 823 static const JNINativeMethod kMethods${JAVA_CLASS}[] = { |
825 ${KMETHODS} | 824 ${KMETHODS} |
826 }; | 825 }; |
827 """) | 826 """) |
828 return self.SubstituteNativeMethods(template) | 827 return self.SubstituteNativeMethods(template) |
829 | 828 |
830 def GetRegisterNativesString(self): | 829 def GetRegisterNativesString(self): |
831 """Returns the code for RegisterNatives.""" | 830 """Returns the code for RegisterNatives.""" |
831 natives = self.GetRegisterNativesImplString() | |
832 if not natives: | |
833 return '' | |
834 | |
832 template = Template("""\ | 835 template = Template("""\ |
833 ${REGISTER_NATIVES_SIGNATURE} { | 836 ${REGISTER_NATIVES_SIGNATURE} { |
834 ${EARLY_EXIT} | 837 ${EARLY_EXIT} |
835 ${CLASSES} | 838 ${CLASSES} |
836 ${NATIVES} | 839 ${NATIVES} |
837 return true; | 840 return true; |
838 } | 841 } |
839 """) | 842 """) |
840 signature = 'static bool RegisterNativesImpl(JNIEnv* env)' | 843 signature = 'static bool RegisterNativesImpl(JNIEnv* env)' |
841 early_exit = '' | 844 early_exit = '' |
842 if self.options.native_exports_optional: | 845 if self.options.native_exports_optional: |
843 early_exit = """\ | 846 early_exit = """\ |
844 if (base::android::IsManualJniRegistrationDisabled()) return true; | 847 if (base::android::IsManualJniRegistrationDisabled()) return true; |
845 """ | 848 """ |
846 | 849 |
847 natives = self.GetRegisterNativesImplString() | |
848 values = {'REGISTER_NATIVES_SIGNATURE': signature, | 850 values = {'REGISTER_NATIVES_SIGNATURE': signature, |
849 'EARLY_EXIT': early_exit, | 851 'EARLY_EXIT': early_exit, |
850 'CLASSES': self.GetFindClasses(), | 852 'CLASSES': self.GetFindClasses(), |
851 'NATIVES': natives, | 853 'NATIVES': natives, |
852 } | 854 } |
853 return template.substitute(values) | 855 return template.substitute(values) |
854 | 856 |
855 def GetRegisterNativesImplString(self): | 857 def GetRegisterNativesImplString(self): |
856 """Returns the shared implementation for RegisterNatives.""" | 858 """Returns the shared implementation for RegisterNatives.""" |
857 if self.options.native_exports and not self.options.native_exports_optional: | 859 if self.options.native_exports and not self.options.native_exports_optional: |
(...skipping 241 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
1099 static ${RETURN_TYPE} Java_${JAVA_CLASS}_${METHOD_ID_VAR_NAME}(\ | 1101 static ${RETURN_TYPE} Java_${JAVA_CLASS}_${METHOD_ID_VAR_NAME}(\ |
1100 JNIEnv* env${FIRST_PARAM_IN_DECLARATION}${PARAMS_IN_DECLARATION})""") | 1102 JNIEnv* env${FIRST_PARAM_IN_DECLARATION}${PARAMS_IN_DECLARATION})""") |
1101 function_header_template = Template("""\ | 1103 function_header_template = Template("""\ |
1102 ${FUNCTION_SIGNATURE} {""") | 1104 ${FUNCTION_SIGNATURE} {""") |
1103 function_header_with_unused_template = Template("""\ | 1105 function_header_with_unused_template = Template("""\ |
1104 ${FUNCTION_SIGNATURE} __attribute__ ((unused)); | 1106 ${FUNCTION_SIGNATURE} __attribute__ ((unused)); |
1105 ${FUNCTION_SIGNATURE} {""") | 1107 ${FUNCTION_SIGNATURE} {""") |
1106 template = Template(""" | 1108 template = Template(""" |
1107 static base::subtle::AtomicWord g_${JAVA_CLASS}_${METHOD_ID_VAR_NAME} = 0; | 1109 static base::subtle::AtomicWord g_${JAVA_CLASS}_${METHOD_ID_VAR_NAME} = 0; |
1108 ${FUNCTION_HEADER} | 1110 ${FUNCTION_HEADER} |
1109 /* Must call RegisterNativesImpl() */ | |
1110 CHECK_CLAZZ(env, ${FIRST_PARAM_IN_CALL}, | 1111 CHECK_CLAZZ(env, ${FIRST_PARAM_IN_CALL}, |
1111 ${JAVA_CLASS}_clazz(env)${OPTIONAL_ERROR_RETURN}); | 1112 ${JAVA_CLASS}_clazz(env)${OPTIONAL_ERROR_RETURN}); |
1112 jmethodID method_id = | 1113 jmethodID method_id = |
1113 ${GET_METHOD_ID_IMPL} | 1114 ${GET_METHOD_ID_IMPL} |
1114 ${RETURN_DECLARATION} | 1115 ${RETURN_DECLARATION} |
1115 ${PRE_CALL}env->${ENV_CALL}(${FIRST_PARAM_IN_CALL}, | 1116 ${PRE_CALL}env->${ENV_CALL}(${FIRST_PARAM_IN_CALL}, |
1116 method_id${PARAMS_IN_CALL})${POST_CALL}; | 1117 method_id${PARAMS_IN_CALL})${POST_CALL}; |
1117 ${CHECK_EXCEPTION} | 1118 ${CHECK_EXCEPTION} |
1118 ${RETURN_CLAUSE} | 1119 ${RETURN_CLAUSE} |
1119 }""") | 1120 }""") |
(...skipping 271 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
1391 GenerateJNIHeader(input_file, output_file, options) | 1392 GenerateJNIHeader(input_file, output_file, options) |
1392 | 1393 |
1393 if options.depfile: | 1394 if options.depfile: |
1394 build_utils.WriteDepfile( | 1395 build_utils.WriteDepfile( |
1395 options.depfile, | 1396 options.depfile, |
1396 build_utils.GetPythonDependencies()) | 1397 build_utils.GetPythonDependencies()) |
1397 | 1398 |
1398 | 1399 |
1399 if __name__ == '__main__': | 1400 if __name__ == '__main__': |
1400 sys.exit(main(sys.argv)) | 1401 sys.exit(main(sys.argv)) |
OLD | NEW |