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80 lines
2.4 KiB
C++
80 lines
2.4 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 llvmc2.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVMC2_PLUGIN_H
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#define LLVM_TOOLS_LLVMC2_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 = 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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/// PopulateLanguageMap - Fills in the language map by calling
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/// PopulateLanguageMap methods of all plugins.
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void PopulateLanguageMap(LanguageMap& langMap);
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/// PopulateCompilationGraph - Populates the compilation graph by
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/// calling PopulateCompilationGraph methods of all plugins.
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void PopulateCompilationGraph(CompilationGraph& tools);
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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_TOOLS_LLVMC2_PLUGIN_H
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