1 # Copyright 2014 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 import("//third_party/WebKit/Source/bindings/core/v8/generated.gni") 6 import("//third_party/WebKit/Source/bindings/modules/idl.gni") 7 import("//third_party/WebKit/Source/bindings/modules/modules.gni") 8 9 bindings_scripts_dir = get_path_info(".", "abspath") 10 bindings_scripts_output_dir = "$root_gen_dir/blink/bindings/scripts" 11 12 # Replacing <(DEPTH) with "/" makes paths like "<(DEPTH)/foo" absolute. 13 _gypi = exec_script( 14 "//build/gypi_to_gn.py", 15 [ rebase_path("scripts.gypi"), 16 "--replace=<(DEPTH)=/" ], 17 "scope", 18 [ "scripts.gypi" ]) 19 20 jinja_module_files = get_path_info(_gypi.jinja_module_files, "abspath") 21 idl_lexer_parser_files = get_path_info(_gypi.idl_lexer_parser_files, "abspath") 22 idl_compiler_files = get_path_info(_gypi.idl_compiler_files, "abspath") 23 24 # Calls the compute_interfaces_info_individual script. 25 # 26 # Parameters: 27 # sources_static = list of IDL files to pass as inputs 28 # sources_generated = list of generated IDL files to pass as inputs 29 # component_dir = name if subdirectory (one word, no slashes) of component. 30 # output_file = pickle file to write 31 # 32 # FIXME: Note the static/generated split is for consistency with GYP. This 33 # split is not necessary in the GN build and could be combined into a single 34 # "sources". 35 template("compute_interfaces_info_individual") { 36 action(target_name) { 37 script = "$bindings_scripts_dir/compute_interfaces_info_individual.py" 38 if (defined(invoker.visibility)) { 39 visibility = invoker.visibility 40 } 41 42 # Save static list to temp file to avoid blowing out command-line length 43 # limit. 44 file_list = "$target_gen_dir/${target_name}_file_list.txt" 45 write_file(file_list, rebase_path(invoker.sources_static, root_build_dir)) 46 47 source_prereqs = [ 48 "$bindings_scripts_dir/utilities.py", 49 file_list, 50 ] + invoker.sources_static + invoker.sources_generated 51 52 outputs = [ 53 invoker.output_file 54 ] 55 56 args = [ 57 "--component-dir", invoker.component_dir, 58 "--idl-files-list", rebase_path(file_list, root_build_dir), 59 "--interfaces-info-file", 60 rebase_path(invoker.output_file, root_build_dir), 61 "--write-file-only-if-changed=1", 62 "--", 63 ] + rebase_path(invoker.sources_generated, root_build_dir) 64 65 deps = [ 66 # FIXME: should be {modules|core}_generated_idls 67 # http://crbug.com/358074 68 "//third_party/WebKit/Source/bindings:generated_idls", 69 ] 70 } 71 } 72 73 # Calls generate_event_interfaces 74 # 75 # Parameters: 76 # sources = A list of IDL files to process. 77 # output_file = The .in file to write, relative to the blink_gen_dir. 78 # suffix = (Optional) String to be passed to script via --suffix 79 template("generate_event_interfaces") { 80 action(target_name) { 81 # Write the file list to a unique temp file to avoid blowing out the 82 # command line length limit. 83 idl_files_list = "$target_gen_dir/${target_name}_file_list.tmp" 84 write_file(idl_files_list, 85 rebase_path(invoker.sources, root_build_dir)) 86 87 source_prereqs = [ 88 "//third_party/WebKit/Source/bindings/scripts/utilities.py", 89 idl_files_list, 90 ] + invoker.sources 91 92 output_file = "$root_gen_dir/blink/" + invoker.output_file 93 outputs = [ output_file ] 94 95 script = "//third_party/WebKit/Source/bindings/scripts/generate_event_interfaces.py" 96 args = [ 97 "--event-idl-files-list", 98 rebase_path(idl_files_list, root_build_dir), 99 "--event-interfaces-file", 100 rebase_path(output_file, root_build_dir), 101 "--write-file-only-if-changed=1", # Always true for Ninja. 102 ] 103 104 if (defined(invoker.suffix)) { 105 args += [ "--suffix", invoker.suffix ] 106 } 107 } 108 } 109 110 # Runs the idl_compiler script over a list of sources. 111 # 112 # Parameters: 113 # sources = list of IDL files to compile 114 # output_dir = string containing the directory to put the output files. 115 template("idl_compiler") { 116 output_dir = invoker.output_dir 117 118 action_foreach(target_name) { 119 # TODO(brettw) GYP adds a "-S before the script name to skip "import site" to 120 # speed up startup. Figure out if we need this and do something similar (not 121 # really expressible in GN now). 122 script = "//third_party/WebKit/Source/bindings/scripts/idl_compiler.py" 123 124 source_prereqs = 125 idl_lexer_parser_files + # to be explicit (covered by parsetab) 126 idl_compiler_files 127 source_prereqs += [ 128 "$bindings_scripts_output_dir/lextab.py", 129 "$bindings_scripts_output_dir/parsetab.pickle", 130 "$bindings_scripts_output_dir/cached_jinja_templates.stamp", 131 "$bindings_dir/IDLExtendedAttributes.txt", 132 # If the dependency structure or public interface info (e.g., 133 # [ImplementedAs]) changes, we rebuild all files, since we're not 134 # computing dependencies file-by-file in the build. 135 # This data is generally stable. 136 "$bindings_modules_output_dir/InterfacesInfoModules.pickle", 137 ] 138 # Further, if any dependency (partial interface or implemented 139 # interface) changes, rebuild everything, since every IDL potentially 140 # depends on them, because we're not computing dependencies 141 # file-by-file. 142 # FIXME: This is too conservative, and causes excess rebuilds: 143 # compute this file-by-file. http://crbug.com/341748 144 # This should theoretically just be the IDL files passed in. 145 source_prereqs += all_dependency_idl_files 146 147 sources = invoker.sources 148 outputs = [ 149 "$output_dir/V8{{source_name_part}}.cpp", 150 "$output_dir/V8{{source_name_part}}.h", 151 ] 152 153 args = [ 154 "--cache-dir", 155 rebase_path(bindings_scripts_output_dir, root_build_dir), 156 "--output-dir", 157 rebase_path(output_dir, root_build_dir), 158 "--interfaces-info", 159 rebase_path("$bindings_modules_output_dir/InterfacesInfoModules.pickle", 160 root_build_dir), 161 "--write-file-only-if-changed=1", # Always true for Ninja. 162 "{{source}}", 163 ] 164 165 deps = [ 166 # FIXME: should be interfaces_info_core (w/o modules) 167 # http://crbug.com/358074 168 "//third_party/WebKit/Source/bindings/modules:interfaces_info", 169 170 "//third_party/WebKit/Source/bindings/scripts:cached_lex_yacc_tables", 171 "//third_party/WebKit/Source/bindings/scripts:cached_jinja_templates", 172 "//third_party/WebKit/Source/core:generated_testing_idls", 173 ] 174 } 175 } 176 177 # Calls the aggregate_generated_bindings script. 178 # 179 # Parameters: 180 # sources = a list of source IDL files. 181 # component_dir = Name of directory for these files (one word, no slashes). 182 # outputs = a list of files to write to. 183 template("aggregate_generated_bindings") { 184 action(target_name) { 185 script = "//third_party/WebKit/Source/bindings/scripts/aggregate_generated_bindings.py" 186 187 # Write lists of main IDL files to a file, so that the command lines don't 188 # exceed OS length limits. 189 idl_files_list = "$target_gen_dir/${target_name}_file_list.tmp" 190 write_file(idl_files_list, rebase_path(invoker.sources, root_build_dir)) 191 192 source_prereqs = [ idl_files_list ] + invoker.sources 193 outputs = invoker.outputs 194 195 args = [ 196 invoker.component_dir, 197 rebase_path(idl_files_list, root_build_dir), 198 "--", 199 ] 200 args += rebase_path(invoker.outputs, root_build_dir) 201 } 202 } 203
