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Issue 56433003: GN threading refactor (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 1 month ago
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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 #include "tools/gn/functions.h" 5 #include "tools/gn/functions.h"
6 6
7 #include <iostream> 7 #include <iostream>
8 8
9 #include "base/strings/string_util.h" 9 #include "base/strings/string_util.h"
10 #include "tools/gn/config.h" 10 #include "tools/gn/config.h"
11 #include "tools/gn/config_values_generator.h" 11 #include "tools/gn/config_values_generator.h"
12 #include "tools/gn/err.h" 12 #include "tools/gn/err.h"
13 #include "tools/gn/input_file.h" 13 #include "tools/gn/input_file.h"
14 #include "tools/gn/item_tree.h"
15 #include "tools/gn/parse_tree.h" 14 #include "tools/gn/parse_tree.h"
16 #include "tools/gn/scheduler.h" 15 #include "tools/gn/scheduler.h"
17 #include "tools/gn/scope.h" 16 #include "tools/gn/scope.h"
18 #include "tools/gn/settings.h" 17 #include "tools/gn/settings.h"
19 #include "tools/gn/target_manager.h"
20 #include "tools/gn/token.h" 18 #include "tools/gn/token.h"
21 #include "tools/gn/value.h" 19 #include "tools/gn/value.h"
22 20
23 namespace { 21 namespace {
24 22
25 // This is called when a template is invoked. When we see a template 23 // This is called when a template is invoked. When we see a template
26 // declaration, that funciton is RunTemplate. 24 // declaration, that funciton is RunTemplate.
27 Value RunTemplateInvocation(Scope* scope, 25 Value RunTemplateInvocation(Scope* scope,
28 const FunctionCallNode* invocation, 26 const FunctionCallNode* invocation,
29 const std::vector<Value>& args, 27 const std::vector<Value>& args,
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254 const std::vector<Value>& args, 252 const std::vector<Value>& args,
255 Scope* scope, 253 Scope* scope,
256 Err* err) { 254 Err* err) {
257 if (!EnsureSingleStringArg(function, args, err) || 255 if (!EnsureSingleStringArg(function, args, err) ||
258 !EnsureNotProcessingImport(function, scope, err)) 256 !EnsureNotProcessingImport(function, scope, err))
259 return Value(); 257 return Value();
260 258
261 Label label(MakeLabelForScope(scope, function, args[0].string_value())); 259 Label label(MakeLabelForScope(scope, function, args[0].string_value()));
262 260
263 if (g_scheduler->verbose_logging()) 261 if (g_scheduler->verbose_logging())
264 g_scheduler->Log("Generating config", label.GetUserVisibleName(true)); 262 g_scheduler->Log("Defining config", label.GetUserVisibleName(true));
265 263
266 // Create the empty config object. 264 // Create the new config.
267 ItemTree* tree = &scope->settings()->build_settings()->item_tree(); 265 scoped_ptr<Config> config(new Config(scope->settings(), label));
268 Config* config = Config::GetConfig(scope->settings(), function->GetRange(), 266 config->set_defined_from(function);
269 label, NULL, err);
270 if (err->has_error())
271 return Value();
272 267
273 // Fill it. 268 // Fill it.
274 const SourceDir& input_dir = scope->GetSourceDir(); 269 const SourceDir& input_dir = scope->GetSourceDir();
275 ConfigValuesGenerator gen(&config->config_values(), scope, 270 ConfigValuesGenerator gen(&config->config_values(), scope, input_dir, err);
276 function->function(), input_dir, err);
277 gen.Run(); 271 gen.Run();
278 if (err->has_error()) 272 if (err->has_error())
279 return Value(); 273 return Value();
280 274
281 // Mark as complete. 275 // Mark as complete.
282 { 276 scope->settings()->build_settings()->ItemDefined(config.PassAs<Item>());
283 base::AutoLock lock(tree->lock());
284 tree->MarkItemDefinedLocked(scope->settings()->build_settings(), label,
285 err);
286 }
287 return Value(); 277 return Value();
288 } 278 }
289 279
290 // declare_args ---------------------------------------------------------------- 280 // declare_args ----------------------------------------------------------------
291 281
292 const char kDeclareArgs[] = "declare_args"; 282 const char kDeclareArgs[] = "declare_args";
293 const char kDeclareArgs_Help[] = 283 const char kDeclareArgs_Help[] =
294 "declare_args: Declare build arguments used by this file.\n" 284 "declare_args: Declare build arguments used by this file.\n"
295 "\n" 285 "\n"
296 " Introduces the given arguments into the current scope. If they are\n" 286 " Introduces the given arguments into the current scope. If they are\n"
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643 return found_function->second.executed_block_runner( 633 return found_function->second.executed_block_runner(
644 function, args.list_value(), &block_scope, err); 634 function, args.list_value(), &block_scope, err);
645 } 635 }
646 636
647 // Otherwise it's a no-block function. 637 // Otherwise it's a no-block function.
648 return found_function->second.no_block_runner(scope, function, 638 return found_function->second.no_block_runner(scope, function,
649 args.list_value(), err); 639 args.list_value(), err);
650 } 640 }
651 641
652 } // namespace functions 642 } // namespace functions
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