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104 lines
5.2 KiB
104 lines
5.2 KiB
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
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#define V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
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namespace v8 {
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namespace internal {
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// Decorator on a RegExpMacroAssembler that write all calls.
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class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {
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public:
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explicit RegExpMacroAssemblerTracer(RegExpMacroAssembler* assembler);
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virtual ~RegExpMacroAssemblerTracer();
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virtual int stack_limit_slack() { return assembler_->stack_limit_slack(); }
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virtual bool CanReadUnaligned() { return assembler_->CanReadUnaligned(); }
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virtual void AdvanceCurrentPosition(int by); // Signed cp change.
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virtual void AdvanceRegister(int reg, int by); // r[reg] += by.
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virtual void Backtrack();
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virtual void Bind(Label* label);
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virtual void CheckAtStart(Label* on_at_start);
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virtual void CheckCharacter(unsigned c, Label* on_equal);
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virtual void CheckCharacterAfterAnd(unsigned c,
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unsigned and_with,
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Label* on_equal);
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virtual void CheckCharacterGT(uc16 limit, Label* on_greater);
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virtual void CheckCharacterLT(uc16 limit, Label* on_less);
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virtual void CheckCharacters(
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Vector<const uc16> str,
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int cp_offset,
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Label* on_failure,
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bool check_end_of_string);
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virtual void CheckGreedyLoop(Label* on_tos_equals_current_position);
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virtual void CheckNotAtStart(Label* on_not_at_start);
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virtual void CheckNotBackReference(int start_reg, Label* on_no_match);
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virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
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Label* on_no_match);
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virtual void CheckNotRegistersEqual(int reg1, int reg2, Label* on_not_equal);
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virtual void CheckNotCharacter(unsigned c, Label* on_not_equal);
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virtual void CheckNotCharacterAfterAnd(unsigned c,
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unsigned and_with,
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Label* on_not_equal);
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virtual void CheckNotCharacterAfterMinusAnd(uc16 c,
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uc16 minus,
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uc16 and_with,
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Label* on_not_equal);
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virtual bool CheckSpecialCharacterClass(uc16 type,
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Label* on_no_match);
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virtual void Fail();
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virtual Handle<HeapObject> GetCode(Handle<String> source);
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virtual void GoTo(Label* label);
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virtual void IfRegisterGE(int reg, int comparand, Label* if_ge);
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virtual void IfRegisterLT(int reg, int comparand, Label* if_lt);
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virtual void IfRegisterEqPos(int reg, Label* if_eq);
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virtual IrregexpImplementation Implementation();
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virtual void LoadCurrentCharacter(int cp_offset,
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Label* on_end_of_input,
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bool check_bounds = true,
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int characters = 1);
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virtual void PopCurrentPosition();
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virtual void PopRegister(int register_index);
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virtual void PushBacktrack(Label* label);
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virtual void PushCurrentPosition();
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virtual void PushRegister(int register_index,
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StackCheckFlag check_stack_limit);
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virtual void ReadCurrentPositionFromRegister(int reg);
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virtual void ReadStackPointerFromRegister(int reg);
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virtual void SetCurrentPositionFromEnd(int by);
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virtual void SetRegister(int register_index, int to);
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virtual void Succeed();
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virtual void WriteCurrentPositionToRegister(int reg, int cp_offset);
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virtual void ClearRegisters(int reg_from, int reg_to);
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virtual void WriteStackPointerToRegister(int reg);
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private:
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RegExpMacroAssembler* assembler_;
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};
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}} // namespace v8::internal
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#endif // V8_REGEXP_MACRO_ASSEMBLER_TRACER_H_
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