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More to follow... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84352 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
//===--- Plugin.h - The LLVM Compiler Driver --------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open
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// Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Plugin support for llvmc.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_COMPILER_DRIVER_PLUGIN_H
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#define LLVM_INCLUDE_COMPILER_DRIVER_PLUGIN_H
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#include "llvm/Support/Registry.h"
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namespace llvmc {
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class LanguageMap;
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class CompilationGraph;
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/// BasePlugin - An abstract base class for all LLVMC plugins.
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struct BasePlugin {
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/// Priority - Plugin priority, useful for handling dependencies
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/// between plugins. Plugins with lower priorities are loaded
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/// first.
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virtual int Priority() const { return 0; }
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/// PreprocessOptions - The auto-generated function that performs various
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/// consistency checks on options (like ensuring that -O2 and -O3 are not
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/// used together).
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virtual void PreprocessOptions() const = 0;
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/// PopulateLanguageMap - The auto-generated function that fills in
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/// the language map (map from file extensions to language names).
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virtual void PopulateLanguageMap(LanguageMap&) const = 0;
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/// PopulateCompilationGraph - The auto-generated function that
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/// populates the compilation graph with nodes and edges.
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virtual void PopulateCompilationGraph(CompilationGraph&) const = 0;
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/// Needed to avoid a compiler warning.
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virtual ~BasePlugin() {}
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};
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typedef llvm::Registry<BasePlugin> PluginRegistry;
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template <class P>
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struct RegisterPlugin
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: public PluginRegistry::Add<P> {
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typedef PluginRegistry::Add<P> Base;
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RegisterPlugin(const char* Name = "Nameless",
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const char* Desc = "Auto-generated plugin")
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: Base(Name, Desc) {}
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};
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/// PluginLoader - Helper class used by the main program for
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/// lifetime management.
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struct PluginLoader {
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PluginLoader();
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~PluginLoader();
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/// RunInitialization - Calls PreprocessOptions, PopulateLanguageMap and
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/// PopulateCompilationGraph methods of all plugins. This populates the
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/// global language map and the compilation graph.
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void RunInitialization(LanguageMap& langMap, CompilationGraph& graph) const;
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private:
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// noncopyable
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PluginLoader(const PluginLoader& other);
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const PluginLoader& operator=(const PluginLoader& other);
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};
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}
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#endif // LLVM_INCLUDE_COMPILER_DRIVER_PLUGIN_H
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