diff options
Diffstat (limited to 'chromium/ios/web/js_compile.gni')
| -rw-r--r-- | chromium/ios/web/js_compile.gni | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/chromium/ios/web/js_compile.gni b/chromium/ios/web/js_compile.gni new file mode 100644 index 00000000000..317d4469868 --- /dev/null +++ b/chromium/ios/web/js_compile.gni @@ -0,0 +1,258 @@ +# Copyright 2015 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import("//build/util/java_action.gni") + +declare_args() { + # Control whether the JavaScript files shipped with Chrome on iOS are + # compiled with closure_compiler or not. Useful for debugging. + compile_javascript = true +} + +closure_compiler_path = "//third_party/closure_compiler/compiler/compiler.jar" + +# Defines a target that create a JavaScript bundle using the closure compiler. +# +# Variables +# sources: +# List of JavaScript files to compile into the bundle. +# +# closure_entry_point: +# Name of the entry point closure module. +# +# deps (optional) +# List of targets required by this target. +# +# visibility (optional) +# Visibility restrictions. +# +# Generates a single JavaScript bundle file that can be put in the application +# bundle. +# +# TODO(crbug.com/487804): once all errors have been fixed, sync with the flags +# from third_party/closure_compiler/closure_args.gni. +template("js_compile_bundle") { + assert(defined(invoker.sources), + "Need sources in $target_name listing the js files.") + + assert(defined(invoker.closure_entry_point), + "Need closure_entry_point in $target_name for generated js file.") + + _target_name = target_name + compile_js_target_name = target_name + "_compile_js" + + java_action(compile_js_target_name) { + visibility = [ ":$_target_name" ] + script = closure_compiler_path + sources = invoker.sources + outputs = [ + "$target_gen_dir/$_target_name.js", + ] + + args = [ + "--compilation_level", + "SIMPLE_OPTIMIZATIONS", + "--js_output_file", + rebase_path("$target_gen_dir/$_target_name.js", root_build_dir), + "--only_closure_dependencies", + "--closure_entry_point", + invoker.closure_entry_point, + "--js", + ] + rebase_path(sources, root_build_dir) + } + + bundle_data(target_name) { + forward_variables_from(invoker, + [ + "data_deps", + "deps", + "public_deps", + "visibility", + ]) + + if (!defined(public_deps)) { + public_deps = [] + } + public_deps += [ ":$compile_js_target_name" ] + sources = get_target_outputs(":$compile_js_target_name") + outputs = [ + "{{bundle_resources_dir}}/{{source_file_part}}", + ] + } +} + +# Defines a target that compile JavaScript files with error checking using the +# closure compiler. +# +# Variables +# sources: +# List of JavaScript files to compile. +# +# deps (optional) +# List of targets required by this target. +# +# visibility (optional) +# Visibility restrictions. +# +# TODO(crbug.com/487804): once all errors have been fixed, sync with the flags +# from third_party/closure_compiler/closure_args.gni. +template("js_compile_checked") { + assert(defined(invoker.sources), + "Need sources in $target_name listing the js files.") + + if (compile_javascript) { + _target_name = target_name + compile_js_target_name = target_name + "_compile_js" + + java_action_foreach(compile_js_target_name) { + visibility = [ ":$_target_name" ] + script = closure_compiler_path + sources = invoker.sources + outputs = [ + "$target_gen_dir/{{source_file_part}}", + ] + + # TODO(crbug.com/487804): need to enable the following compilation checks + # once the corresponding errors have been fixed: + # --jscomp_error=checkTypes + # --jscomp_error=checkVars + # --jscomp_error=missingProperties + # --jscomp_error=missingReturn + # --jscomp_error=undefinedVars + + args = [ + "--compilation_level", + "SIMPLE_OPTIMIZATIONS", + "--jscomp_error=accessControls", + "--jscomp_error=ambiguousFunctionDecl", + "--jscomp_error=constantProperty", + "--jscomp_error=deprecated", + "--jscomp_error=externsValidation", + "--jscomp_error=globalThis", + "--jscomp_error=invalidCasts", + "--jscomp_error=nonStandardJsDocs", + "--jscomp_error=suspiciousCode", + "--jscomp_error=undefinedNames", + "--jscomp_error=unknownDefines", + "--jscomp_error=uselessCode", + "--jscomp_error=visibility", + "--js", + "{{source}}", + "--js_output_file", + rebase_path("$target_gen_dir/{{source_file_part}}", root_build_dir), + ] + } + + bundle_data(target_name) { + forward_variables_from(invoker, + [ + "data_deps", + "deps", + "public_deps", + "visibility", + ]) + + if (!defined(public_deps)) { + public_deps = [] + } + public_deps += [ ":$compile_js_target_name" ] + sources = get_target_outputs(":$compile_js_target_name") + outputs = [ + "{{bundle_resources_dir}}/{{source_file_part}}", + ] + } + } else { + bundle_data(target_name) { + forward_variables_from(invoker, + [ + "data_deps", + "deps", + "public_deps", + "visibility", + ]) + + sources = invoker.sources + outputs = [ + "{{bundle_resources_dir}}/{{source_file_part}}", + ] + } + } +} + +# Defines a target that compile JavaScript files without error checking using +# the closure compiler. +# +# Variables +# sources: +# List of JavaScript files to compile. +# +# deps (optional) +# List of targets required by this target. +# +# visibility (optional) +# Visibility restrictions. +# +# TODO(crbug.com/487804): once all errors have been fixed, remove this template +# and port all code to use js_compile_checked instead. +template("js_compile_unchecked") { + assert(defined(invoker.sources), + "Need sources in $target_name listing the js files.") + + if (compile_javascript) { + _target_name = target_name + compile_js_target_name = target_name + "_compile_js" + + java_action_foreach(compile_js_target_name) { + visibility = [ ":$_target_name" ] + script = closure_compiler_path + sources = invoker.sources + outputs = [ + "$target_gen_dir/{{source_file_part}}", + ] + + args = [ + "--compilation_level", + "SIMPLE_OPTIMIZATIONS", + "--js", + "{{source}}", + "--js_output_file", + rebase_path("$target_gen_dir/{{source_file_part}}", root_build_dir), + ] + } + + bundle_data(target_name) { + forward_variables_from(invoker, + [ + "data_deps", + "deps", + "public_deps", + "visibility", + ]) + + if (!defined(public_deps)) { + public_deps = [] + } + public_deps += [ ":$compile_js_target_name" ] + sources = get_target_outputs(":$compile_js_target_name") + outputs = [ + "{{bundle_resources_dir}}/{{source_file_part}}", + ] + } + } else { + bundle_data(target_name) { + forward_variables_from(invoker, + [ + "data_deps", + "deps", + "public_deps", + "visibility", + ]) + + sources = invoker.sources + outputs = [ + "{{bundle_resources_dir}}/{{source_file_part}}", + ] + } + } +} |