50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TOOLS_GN_NINJA_SCRIPT_TARGET_WRITER_H_
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#define TOOLS_GN_NINJA_SCRIPT_TARGET_WRITER_H_
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#include "base/compiler_specific.h"
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#include "tools/gn/ninja_target_writer.h"
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// Writes a .ninja file for a custom script target type.
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class NinjaScriptTargetWriter : public NinjaTargetWriter {
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public:
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NinjaScriptTargetWriter(const Target* target, std::ostream& out);
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virtual ~NinjaScriptTargetWriter();
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virtual void Run() OVERRIDE;
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private:
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bool has_sources() const { return !target_->sources().empty(); }
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// Writes the Ninja rule for invoking the script.
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//
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// Returns the name of the custom rule generated. This will be based on the
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// target name, and will include the string "$unique_name" if there are
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// multiple inputs.
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std::string WriteRuleDefinition(const std::string& script_relative_to_cd);
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// Writes the rules for compiling each source, writing all output files
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// to the given vector.
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//
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// common_deps is a precomputed string of all ninja files that are common
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// to each build step. This is added to each one.
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void WriteSourceRules(const std::string& custom_rule_name,
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const std::string& common_deps,
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const SourceDir& script_cd,
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const std::string& script_cd_to_root,
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std::vector<OutputFile>* output_files);
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void WriteArg(const std::string& arg);
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// Writes the .stamp rule that names this target and collects all invocations
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// of the script into one thing that other targets can depend on.
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void WriteStamp(const std::vector<OutputFile>& output_files);
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DISALLOW_COPY_AND_ASSIGN(NinjaScriptTargetWriter);
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};
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#endif // TOOLS_GN_NINJA_SCRIPT_TARGET_WRITER_H_
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