kmillikin@google.com
3e78b2ad4a
This reapplies SVN r24024 with a bugfix. After OSR compilation, restore the pre-OSR code (which might be already optimized) rather than the unoptimized code (which might have its entry patched). When the optimized code entry is patched it is only safe to call it as a static call, not as an instance call. R=fschneider@google.com Review URL: https://codereview.chromium.org//17233003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24088 260f80e4-7a28-3924-810f-c04153c831b5
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef VM_COMPILER_H_
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#define VM_COMPILER_H_
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#include "vm/allocation.h"
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#include "vm/growable_array.h"
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#include "vm/runtime_entry.h"
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namespace dart {
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// Forward declarations.
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class Class;
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class Function;
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class Library;
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class ParsedFunction;
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class RawInstance;
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class Script;
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class SequenceNode;
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DECLARE_RUNTIME_ENTRY(CompileFunction);
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class Compiler : public AllStatic {
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public:
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// Extracts top level entities from the script and populates
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// the class dictionary of the library.
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//
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// Returns Error::null() if there is no compilation error.
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static RawError* Compile(const Library& library, const Script& script);
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// Extracts function and field symbols from the class and populates
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// the class.
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//
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// Returns Error::null() if there is no compilation error.
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static RawError* CompileClass(const Class& cls);
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// Generates code for given function and sets its code field.
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//
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// Returns Error::null() if there is no compilation error.
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static RawError* CompileFunction(const Function& function);
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// Generates optimized code for function.
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//
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// Returns Error::null() if there is no compilation error.
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static RawError* CompileOptimizedFunction(
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const Function& function,
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intptr_t osr_id = Isolate::kNoDeoptId);
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// Generates code for given parsed function (without parsing it again) and
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// sets its code field.
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//
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// Returns Error::null() if there is no compilation error.
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static RawError* CompileParsedFunction(ParsedFunction* parsed_function);
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// Generates and executes code for a given code fragment, e.g. a
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// compile time constant expression. Returns the result returned
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// by the fragment.
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//
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// The return value is either a RawInstance on success or a RawError
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// on compilation failure.
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static RawObject* ExecuteOnce(SequenceNode* fragment);
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// Eagerly compiles all functions in a class.
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//
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// Returns Error::null() if there is no compilation error.
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static RawError* CompileAllFunctions(const Class& cls);
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};
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} // namespace dart
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#endif // VM_COMPILER_H_
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