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1 # Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 # Instantiate grit. This will produce a script target to run grit, and a | 5 # Instantiate grit. This will produce a script target to run grit, and a |
6 # static library that compiles the .cc files. | 6 # static library that compiles the .cc files. |
7 # | 7 # |
8 # Parameters | 8 # Parameters |
9 # | 9 # |
10 # source | 10 # source |
11 # Path to .grd file. | 11 # Path to .grd file. |
12 # | 12 # |
13 # grit_flags (optional) | 13 # grit_flags (optional) |
14 # List of strings containing extra command-line flags to pass to Grit. | 14 # List of strings containing extra command-line flags to pass to Grit. |
15 # | 15 # |
| 16 # resource_ids (optional) |
| 17 # Path to a grit "firstidsfile". Default is |
| 18 # //tools/gritsettings/resource_ids. Set to "" to use the value specified in |
| 19 # the <grit> nodes of the processed files. |
| 20 # |
| 21 # output_dir (optional) |
| 22 # Directory for generated files. |
| 23 # |
16 # deps (optional) | 24 # deps (optional) |
17 # visibility (optional) | 25 # visibility (optional) |
18 # Normal meaning. | 26 # Normal meaning. |
19 # | 27 # |
20 # Example | 28 # Example |
21 # | 29 # |
22 # grit("my_resources") { | 30 # grit("my_resources") { |
23 # source = "myfile.grd" # source is required. | 31 # source = "myfile.grd" # source is required. |
24 # grit_flags = [ "-E", "foo=bar" ] # Optional extra flags. | 32 # grit_flags = [ "-E", "foo=bar" ] # Optional extra flags. |
25 # # You can also put deps here if the grit source depends on generated | 33 # # You can also put deps here if the grit source depends on generated |
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154 grit_resource_id_file = "//tools/gritsettings/resource_ids" | 162 grit_resource_id_file = "//tools/gritsettings/resource_ids" |
155 grit_info_script = "//tools/grit/grit_info.py" | 163 grit_info_script = "//tools/grit/grit_info.py" |
156 | 164 |
157 template("grit") { | 165 template("grit") { |
158 assert(defined(invoker.source), | 166 assert(defined(invoker.source), |
159 "\"source\" must be defined for the grit template $target_name") | 167 "\"source\" must be defined for the grit template $target_name") |
160 assert(!defined(invoker.sources) && !defined(invoker.outputs), | 168 assert(!defined(invoker.sources) && !defined(invoker.outputs), |
161 "Neither \"sources\" nor \"outputs\" can be defined for the grit " + | 169 "Neither \"sources\" nor \"outputs\" can be defined for the grit " + |
162 "template $target_name") | 170 "template $target_name") |
163 | 171 |
| 172 if (defined(invoker.resource_ids)) { |
| 173 resource_ids = invoker.resource_ids |
| 174 } else { |
| 175 resource_ids = grit_resource_id_file |
| 176 } |
| 177 |
| 178 if (defined(invoker.output_dir)) { |
| 179 output_dir = invoker.output_dir |
| 180 } else { |
| 181 output_dir = target_gen_dir |
| 182 } |
| 183 |
164 # These are all passed as arguments to the script so have to be relative to | 184 # These are all passed as arguments to the script so have to be relative to |
165 # the build directory. | 185 # the build directory. |
166 resource_ids = | 186 if (resource_ids != "") { |
167 rebase_path(grit_resource_id_file, root_build_dir) | 187 resource_ids = rebase_path(resource_ids, root_build_dir) |
168 output_dir = rebase_path(target_gen_dir, root_build_dir) | 188 } |
| 189 rebased_output_dir = rebase_path(output_dir, root_build_dir) |
169 source_path = rebase_path(invoker.source, root_build_dir) | 190 source_path = rebase_path(invoker.source, root_build_dir) |
170 | 191 |
171 if (defined(invoker.grit_flags)) { | 192 if (defined(invoker.grit_flags)) { |
172 grit_flags = invoker.grit_flags | 193 grit_flags = invoker.grit_flags |
173 } else { | 194 } else { |
174 grit_flags = [] # These are optional so default to empty list. | 195 grit_flags = [] # These are optional so default to empty list. |
175 } | 196 } |
176 | 197 |
177 grit_inputs_build_rel = exec_script(grit_info_script, | 198 grit_inputs_build_rel = exec_script(grit_info_script, |
178 [ "--inputs", source_path, "-f", resource_ids] + grit_flags, "list lines") | 199 [ "--inputs", source_path, "-f", resource_ids] + grit_flags, "list lines") |
179 # The inputs are relative to the current (build) directory, rebase to | 200 # The inputs are relative to the current (build) directory, rebase to |
180 # the current one. | 201 # the current one. |
181 grit_inputs = rebase_path(grit_inputs_build_rel, ".", root_build_dir) + [ | 202 grit_inputs = rebase_path(grit_inputs_build_rel, ".", root_build_dir) + [ |
182 grit_resource_id_file, | 203 grit_resource_id_file, |
183 ] | 204 ] |
184 | 205 |
185 grit_outputs_build_rel = exec_script(grit_info_script, | 206 grit_outputs_build_rel = exec_script(grit_info_script, |
186 [ "--outputs", "$output_dir", source_path, "-f", resource_ids ] + | 207 [ "--outputs", "$rebased_output_dir", source_path, "-f", resource_ids ] + |
187 grit_flags, | 208 grit_flags, |
188 "list lines") | 209 "list lines") |
189 | 210 |
190 # The inputs are relative to the current (build) directory, rebase to | 211 # The inputs are relative to the current (build) directory, rebase to |
191 # the current one. | 212 # the current one. |
192 grit_outputs = rebase_path(grit_outputs_build_rel, ".", root_build_dir) | 213 grit_outputs = rebase_path(grit_outputs_build_rel, ".", root_build_dir) |
193 | 214 |
194 # The config and the action below get this visibility son only the generated | 215 # The config and the action below get this visibility son only the generated |
195 # source set can depend on them. The variable "target_name" will get | 216 # source set can depend on them. The variable "target_name" will get |
196 # overwritten inside the innter classes so we need to compute it here. | 217 # overwritten inside the innter classes so we need to compute it here. |
197 target_visibility = ":$target_name" | 218 target_visibility = ":$target_name" |
198 | 219 |
199 # The current grit setup makes an file in $target_gen_dir/grit/foo.h that | 220 # The current grit setup makes an file in $output_dir/grit/foo.h that |
200 # the source code expects to include via "grit/foo.h". It would be nice to | 221 # the source code expects to include via "grit/foo.h". It would be nice to |
201 # change this to including absolute paths relative to the root gen directory | 222 # change this to including absolute paths relative to the root gen directory |
202 # (like "mycomponent/foo.h"). This config sets up the include path. | 223 # (like "mycomponent/foo.h"). This config sets up the include path. |
203 grit_config = target_name + "_grit_config" | 224 grit_config = target_name + "_grit_config" |
204 config(grit_config) { | 225 config(grit_config) { |
205 include_dirs = [ target_gen_dir ] | 226 include_dirs = [ output_dir ] |
206 visibility = target_visibility | 227 visibility = target_visibility |
207 } | 228 } |
208 | 229 |
209 grit_custom_target = target_name + "_grit" | 230 grit_custom_target = target_name + "_grit" |
210 action(grit_custom_target) { | 231 action(grit_custom_target) { |
211 script = "//tools/grit/grit.py" | 232 script = "//tools/grit/grit.py" |
212 inputs = grit_inputs | 233 inputs = grit_inputs |
213 outputs = grit_outputs | 234 outputs = grit_outputs |
214 | 235 |
215 args = [ | 236 args = [ |
216 "-i", source_path, "build", | 237 "-i", source_path, "build", |
217 "-f", resource_ids, | 238 "-f", resource_ids, |
218 "-o", output_dir, | 239 "-o", rebased_output_dir, |
219 ] + grit_defines + grit_flags | 240 ] + grit_defines + grit_flags |
220 | 241 |
221 visibility = target_visibility | 242 visibility = target_visibility |
222 | 243 |
223 if (defined(invoker.deps)) { | 244 if (defined(invoker.deps)) { |
224 deps = invoker.deps | 245 deps = invoker.deps |
225 } | 246 } |
226 } | 247 } |
227 | 248 |
228 # This is the thing that people actually link with, it must be named the | 249 # This is the thing that people actually link with, it must be named the |
229 # same as the argument the template was invoked with. | 250 # same as the argument the template was invoked with. |
230 source_set(target_name) { | 251 source_set(target_name) { |
231 # Since we generate a file, we need to be run before the targets that | 252 # Since we generate a file, we need to be run before the targets that |
232 # depend on us. | 253 # depend on us. |
233 sources = grit_outputs | 254 sources = grit_outputs |
234 | 255 |
235 # Deps set on the template invocation will go on the grit script running | 256 # Deps set on the template invocation will go on the grit script running |
236 # target rather than this library. | 257 # target rather than this library. |
237 deps = [ ":$grit_custom_target" ] | 258 deps = [ ":$grit_custom_target" ] |
238 direct_dependent_configs = [ ":$grit_config" ] | 259 direct_dependent_configs = [ ":$grit_config" ] |
239 | 260 |
240 if (defined(invoker.visibility)) { | 261 if (defined(invoker.visibility)) { |
241 visibility = invoker.visibility | 262 visibility = invoker.visibility |
242 } | 263 } |
243 if (defined(invoker.output_name)) { | 264 if (defined(invoker.output_name)) { |
244 output_name = invoker.output_name | 265 output_name = invoker.output_name |
245 } | 266 } |
246 } | 267 } |
247 } | 268 } |
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