hausner@google.com
503e2219b8
This change introduces variable descriptors that describe the name, stack slot index, and source code stretch in which a variable is valid. Activation frames in the stack trace now can enumerate the variables that are active in that frame. Next step: fetch the value of variables from the stack. Review URL: http://codereview.chromium.org//8992020 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@2671 260f80e4-7a28-3924-810f-c04153c831b5
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
// Copyright (c) 2011, 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_CODE_GENERATOR_ARM_H_
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#define VM_CODE_GENERATOR_ARM_H_
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#ifndef VM_CODE_GENERATOR_H_
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#error Do not include code_generator_arm.h directly; use assembler.h instead.
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#endif
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#include "vm/allocation.h"
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#include "vm/ast.h"
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#include "vm/growable_array.h"
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namespace dart {
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// Forward declarations.
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class Assembler;
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class AstNode;
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class ParsedFunction;
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class CodeGenerator : public AstNodeVisitor {
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public:
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CodeGenerator(Assembler* assembler, const ParsedFunction& parsed_function) { }
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virtual ~CodeGenerator() { }
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bool GenerateCode() {
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return false;
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}
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// Add exception handler table to code.
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void FinalizeExceptionHandlers(const Code& code) { UNIMPLEMENTED(); }
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// Add pc descriptors to code.
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void FinalizePcDescriptors(const Code& code) { UNIMPLEMENTED(); }
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// Add local variable descriptors to code.
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void FinalizeVarDescriptors(const Code& code) { UNIMPLEMENTED(); }
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// Allocate and return an arguments descriptor.
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// Let 'num_names' be the length of 'optional_arguments_names'.
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// Treat the first 'num_arguments - num_names' arguments as positional and
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// treat the following 'num_names' arguments as named optional arguments.
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static const Array& ArgumentsDescriptor(
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int num_arguments,
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const Array& optional_arguments_names);
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(CodeGenerator);
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};
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} // namespace dart
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#endif // VM_CODE_GENERATOR_ARM_H_
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