--- /dev/null
+// Copyright 2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "v8.h"
+#include "ast.h"
+#include "regexp-macro-assembler.h"
+#include "regexp-macro-assembler-tracer.h"
+
+namespace v8 { namespace internal {
+
+RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
+ RegExpMacroAssembler* assembler) :
+ assembler_(assembler) {
+ unsigned int type = assembler->Implementation();
+ ASSERT(type < 3);
+ const char* impl_names[3] = {"IA32", "ARM", "Bytecode"};
+ PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
+}
+
+RegExpMacroAssemblerTracer::~RegExpMacroAssemblerTracer() {
+}
+
+void RegExpMacroAssemblerTracer::Bind(Label* label) {
+ PrintF("label[%08x]: (Bind)\n", label, label);
+ assembler_->Bind(label);
+}
+
+void RegExpMacroAssemblerTracer::EmitOrLink(Label* label) {
+ PrintF(" EmitOrLink(label[%08x]);\n", label);
+ assembler_->EmitOrLink(label);
+}
+
+void RegExpMacroAssemblerTracer::AdvanceCurrentPosition(int by) {
+ PrintF(" AdvanceCurrentPosition(by=%d);\n", by);
+ assembler_->AdvanceCurrentPosition(by);
+}
+
+void RegExpMacroAssemblerTracer::PopCurrentPosition() {
+ PrintF(" PopCurrentPosition();\n");
+ assembler_->PopCurrentPosition();
+}
+
+void RegExpMacroAssemblerTracer::PushCurrentPosition() {
+ PrintF(" PushCurrentPosition();\n");
+ assembler_->PushCurrentPosition();
+}
+
+void RegExpMacroAssemblerTracer::Backtrack() {
+ PrintF(" Backtrack();\n");
+ assembler_->Backtrack();
+}
+
+void RegExpMacroAssemblerTracer::GoTo(Label* label) {
+ PrintF(" GoTo(label[%08x]);\n\n", label);
+ assembler_->GoTo(label);
+}
+
+void RegExpMacroAssemblerTracer::PushBacktrack(Label* label) {
+ PrintF(" PushBacktrack(label[%08x]);\n", label);
+ assembler_->PushBacktrack(label);
+}
+
+void RegExpMacroAssemblerTracer::Succeed() {
+ PrintF(" Succeed();\n");
+ assembler_->Succeed();
+}
+
+void RegExpMacroAssemblerTracer::Fail() {
+ PrintF(" Fail();\n");
+ assembler_->Fail();
+}
+
+void RegExpMacroAssemblerTracer::PopRegister(int register_index) {
+ PrintF(" PopRegister(register=%d);\n", register_index);
+ assembler_->PopRegister(register_index);
+}
+
+void RegExpMacroAssemblerTracer::PushRegister(int register_index) {
+ PrintF(" PushRegister(register=%d);\n", register_index);
+ assembler_->PushRegister(register_index);
+}
+
+void RegExpMacroAssemblerTracer::AdvanceRegister(int reg, int by) {
+ PrintF(" AdvanceRegister(register=%d, by=%d);\n", reg, by);
+ assembler_->AdvanceRegister(reg, by);
+}
+
+void RegExpMacroAssemblerTracer::SetRegister(int register_index, int to) {
+ PrintF(" SetRegister(register=%d, to=%d);\n", register_index, to);
+ assembler_->SetRegister(register_index, to);
+}
+
+void RegExpMacroAssemblerTracer::WriteCurrentPositionToRegister(int reg) {
+ PrintF(" WriteCurrentPositionToRegister(register=%d);\n", reg);
+ assembler_->WriteCurrentPositionToRegister(reg);
+}
+
+void RegExpMacroAssemblerTracer::ReadCurrentPositionFromRegister(int reg) {
+ PrintF(" ReadCurrentPositionFromRegister(register=%d);\n", reg);
+ assembler_->ReadCurrentPositionFromRegister(reg);
+}
+
+void RegExpMacroAssemblerTracer::WriteStackPointerToRegister(int reg) {
+ PrintF(" WriteStackPointerToRegister(register=%d);\n", reg);
+ assembler_->WriteStackPointerToRegister(reg);
+}
+
+void RegExpMacroAssemblerTracer::ReadStackPointerFromRegister(int reg) {
+ PrintF(" ReadStackPointerFromRegister(register=%d);\n", reg);
+ assembler_->ReadStackPointerFromRegister(reg);
+}
+
+void RegExpMacroAssemblerTracer::LoadCurrentCharacter(int cp_offset,
+ Label* on_end_of_input) {
+ PrintF(" LoadCurrentCharacter(cp_offset=%d, label[%08x]);\n", cp_offset,
+ on_end_of_input);
+ assembler_->LoadCurrentCharacter(cp_offset, on_end_of_input);
+}
+
+void RegExpMacroAssemblerTracer::CheckCharacterLT(uc16 limit, Label* on_less) {
+ PrintF(" CheckCharacterLT(c='u%04x', label[%08x]);\n", limit, on_less);
+ assembler_->CheckCharacterLT(limit, on_less);
+}
+
+void RegExpMacroAssemblerTracer::CheckCharacterGT(uc16 limit,
+ Label* on_greater) {
+ PrintF(" CheckCharacterGT(c='u%04x', label[%08x]);\n", limit, on_greater);
+ assembler_->CheckCharacterGT(limit, on_greater);
+}
+
+void RegExpMacroAssemblerTracer::CheckCharacter(uc16 c, Label* on_equal) {
+ PrintF(" CheckCharacter(c='u%04x', label[%08x]);\n", c, on_equal);
+ assembler_->CheckCharacter(c, on_equal);
+}
+
+void RegExpMacroAssemblerTracer::CheckNotCharacter(uc16 c,
+ Label* on_not_equal) {
+ PrintF(" CheckNotCharacter(c='u%04x', label[%08x]);\n", c, on_not_equal);
+ assembler_->CheckNotCharacter(c, on_not_equal);
+}
+
+void RegExpMacroAssemblerTracer::CheckNotCharacterAfterOr(uc16 c, uc16 mask,
+ Label* on_not_equal) {
+ PrintF(" CheckNotCharacterAfterOr(c='u%04x', mask=0x%04x, label[%08x]);\n", c,
+ mask, on_not_equal);
+ assembler_->CheckNotCharacterAfterOr(c, mask, on_not_equal);
+}
+
+void RegExpMacroAssemblerTracer::CheckNotCharacterAfterMinusOr(
+ uc16 c,
+ uc16 mask,
+ Label* on_not_equal) {
+ PrintF(" CheckNotCharacterAfterMinusOr(c='u%04x', mask=0x%04x, "
+ "label[%08x]);\n", c, mask, on_not_equal);
+ assembler_->CheckNotCharacterAfterMinusOr(c, mask, on_not_equal);
+}
+
+void RegExpMacroAssemblerTracer::CheckNotBackReference(int start_reg,
+ Label* on_no_match) {
+ PrintF(" CheckNotBackReference(register=%d, label[%08x]);\n", start_reg,
+ on_no_match);
+ assembler_->CheckNotBackReference(start_reg, on_no_match);
+}
+
+void RegExpMacroAssemblerTracer::CheckNotBackReferenceIgnoreCase(
+ int start_reg,
+ Label* on_no_match) {
+ PrintF(" CheckNotBackReferenceIgnoreCase(register=%d, label[%08x]);\n",
+ start_reg, on_no_match);
+ assembler_->CheckNotBackReferenceIgnoreCase(start_reg, on_no_match);
+}
+
+void RegExpMacroAssemblerTracer::CheckCharacters(Vector<const uc16> str,
+ int cp_offset,
+ Label* on_failure) {
+ PrintF(" CheckCharacters(str=\"");
+ for (int i = 0; i < str.length(); i++) {
+ PrintF("u%04x", str[i]);
+ }
+ PrintF("\", cp_offset=%d, label[%08x])\n", cp_offset, on_failure);
+ assembler_->CheckCharacters(str, cp_offset, on_failure);
+}
+
+void RegExpMacroAssemblerTracer::CheckCurrentPosition(int register_index,
+ Label* on_equal) {
+ PrintF(" CheckCurrentPosition(register=%d, label[%08x]);\n", register_index,
+ on_equal);
+ assembler_->CheckCurrentPosition(register_index, on_equal);
+}
+
+void RegExpMacroAssemblerTracer::CheckBitmap(uc16 start, Label* bitmap,
+ Label* on_zero) {
+ PrintF(" CheckBitmap(start=u$04x, <bitmap>, label[%08x]);\n", start, on_zero);
+ assembler_->CheckBitmap(start, bitmap, on_zero);
+}
+
+void RegExpMacroAssemblerTracer::DispatchHalfNibbleMap(
+ uc16 start,
+ Label* half_nibble_map,
+ const Vector<Label*>& destinations) {
+ PrintF(" DispatchHalfNibbleMap(start=u$04x, <half_nibble_map>, [", start);
+ for (int i = 0; i < destinations.length(); i++) {
+ if (i > 0)
+ PrintF(", ");
+ PrintF("label[%08x]", destinations[i]);
+ }
+ PrintF(");\n");
+ assembler_->DispatchHalfNibbleMap(start, half_nibble_map, destinations);
+}
+
+void RegExpMacroAssemblerTracer::DispatchByteMap(
+ uc16 start,
+ Label* byte_map,
+ const Vector<Label*>& destinations) {
+ PrintF(" DispatchByteMap(start=u$04x, <byte_map>, [", start);
+ for (int i = 0; i < destinations.length(); i++) {
+ if (i > 0)
+ PrintF(", ");
+ PrintF("label[%08x]", destinations[i]);
+ }
+ PrintF(");\n");
+ assembler_->DispatchByteMap(start, byte_map, destinations);
+}
+
+void RegExpMacroAssemblerTracer::DispatchHighByteMap(
+ byte start,
+ Label* byte_map,
+ const Vector<Label*>& destinations) {
+ PrintF(" DispatchHighByteMap(start=u$04x, <byte_map>, [", start);
+ for (int i = 0; i < destinations.length(); i++) {
+ if (i > 0)
+ PrintF(", ");
+ PrintF("label[%08x]", destinations[i]);
+ }
+ PrintF(");\n");
+ assembler_->DispatchHighByteMap(start, byte_map, destinations);
+}
+
+void RegExpMacroAssemblerTracer::IfRegisterLT(int register_index,
+ int comparand, Label* if_lt) {
+ PrintF(" IfRegisterLT(register=%d, number=%d, label[%08x]);\n",
+ register_index, comparand, if_lt);
+ assembler_->IfRegisterLT(register_index, comparand, if_lt);
+}
+
+void RegExpMacroAssemblerTracer::IfRegisterGE(int register_index,
+ int comparand, Label* if_ge) {
+ PrintF(" IfRegisterGE(register=%d, number=%d, label[%08x]);\n",
+ register_index, comparand, if_ge);
+ assembler_->IfRegisterGE(register_index, comparand, if_ge);
+}
+
+RegExpMacroAssembler::IrregexpImplementation
+ RegExpMacroAssemblerTracer::Implementation() {
+ return assembler_->Implementation();
+}
+
+Handle<Object> RegExpMacroAssemblerTracer::GetCode() {
+ PrintF(" GetCode();\n");
+ return assembler_->GetCode();
+}
+
+}} // namespace v8::internal
--- /dev/null
+// Copyright 2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef REGEXP_MACRO_ASSEMBLER_TRACER_H_
+#define REGEXP_MACRO_ASSEMBLER_TRACER_H_
+
+namespace v8 { namespace internal {
+
+// Decorator on a RegExpMacroAssembler that write all calls.
+class RegExpMacroAssemblerTracer: public RegExpMacroAssembler {
+ public:
+ explicit RegExpMacroAssemblerTracer(RegExpMacroAssembler* assembler);
+ virtual ~RegExpMacroAssemblerTracer();
+
+ virtual void AdvanceCurrentPosition(int by); // Signed cp change.
+ virtual void AdvanceRegister(int reg, int by); // r[reg] += by.
+ virtual void Backtrack();
+ virtual void Bind(Label* label);
+ virtual void CheckBitmap(uc16 start, Label* bitmap, Label* on_zero);
+ virtual void CheckCharacter(uc16 c, Label* on_equal);
+ virtual void CheckCharacterGT(uc16 limit, Label* on_greater);
+ virtual void CheckCharacterLT(uc16 limit, Label* on_less);
+ virtual void CheckCharacters(
+ Vector<const uc16> str,
+ int cp_offset,
+ Label* on_failure);
+ virtual void CheckCurrentPosition(
+ int register_index,
+ Label* on_equal);
+ virtual void CheckNotBackReference(int start_reg, Label* on_no_match);
+ virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
+ Label* on_no_match);
+ virtual void CheckNotCharacter(uc16 c, Label* on_not_equal);
+ virtual void CheckNotCharacterAfterOr(uc16 c,
+ uc16 or_with,
+ Label* on_not_equal);
+ virtual void CheckNotCharacterAfterMinusOr(uc16 c,
+ uc16 minus_then_or_with,
+ Label* on_not_equal);
+ virtual void DispatchByteMap(
+ uc16 start,
+ Label* byte_map,
+ const Vector<Label*>& destinations);
+ virtual void DispatchHalfNibbleMap(
+ uc16 start,
+ Label* half_nibble_map,
+ const Vector<Label*>& destinations);
+ virtual void DispatchHighByteMap(
+ byte start,
+ Label* byte_map,
+ const Vector<Label*>& destinations);
+ virtual void EmitOrLink(Label* label);
+ virtual void Fail();
+ virtual Handle<Object> GetCode();
+ virtual void GoTo(Label* label);
+ virtual void IfRegisterGE(int reg, int comparand, Label* if_ge);
+ virtual void IfRegisterLT(int reg, int comparand, Label* if_lt);
+ virtual IrregexpImplementation Implementation();
+ virtual void LoadCurrentCharacter(int cp_offset, Label* on_end_of_input);
+ virtual void PopCurrentPosition();
+ virtual void PopRegister(int register_index);
+ virtual void PushBacktrack(Label* label);
+ virtual void PushCurrentPosition();
+ virtual void PushRegister(int register_index);
+ virtual void ReadCurrentPositionFromRegister(int reg);
+ virtual void ReadStackPointerFromRegister(int reg);
+ virtual void SetRegister(int register_index, int to);
+ virtual void Succeed();
+ virtual void WriteCurrentPositionToRegister(int reg);
+ virtual void WriteStackPointerToRegister(int reg);
+ private:
+ RegExpMacroAssembler* assembler_;
+};
+
+}} // namespace v8::internal
+
+#endif // REGEXP_MACRO_ASSEMBLER_TRACER_H_
}
+TEST(MacroAssemblerIA32SimpleUC16) {
+ typedef bool (*UC16Test) (
+ SeqTwoByteString** base, int start_index, int end_index, int* captures);
+
+ V8::Initialize(NULL);
+
+ // regexp-macro-assembler-ia32 needs a handle scope to allocate
+ // byte-arrays for constants.
+ v8::HandleScope scope;
+
+ RegExpMacroAssemblerIA32 m(RegExpMacroAssemblerIA32::UC16, 4);
+
+ uc16 foo_chars[3] = {'f', 'o', 'o'};
+ Vector<const uc16> foo(foo_chars, 3);
+
+ Label fail;
+ m.CheckCharacters(foo, 0, &fail);
+ m.WriteCurrentPositionToRegister(0);
+ m.AdvanceCurrentPosition(3);
+ m.WriteCurrentPositionToRegister(1);
+ m.Succeed();
+ m.Bind(&fail);
+ m.Fail();
+
+ Handle<Object> code_object = m.GetCode();
+ Handle<Code> code = Handle<Code>::cast(code_object);
+ UC16Test test = FUNCTION_CAST<UC16Test>(code->entry());
+
+ int captures[4] = {42, 37, 87, 117};
+ const uc16 input_data[6] = {'f', 'o', 'o', 'f', 'o', '\xa0'};
+ Handle<String> input =
+ Factory::NewStringFromTwoByte(Vector<const uc16>(input_data, 6));
+ Handle<SeqTwoByteString> seq_input = Handle<SeqTwoByteString>::cast(input);
+ Address start_adr = seq_input->GetCharsAddress();
+ int start_offset = start_adr - reinterpret_cast<Address>(*seq_input);
+ int end_offset = start_offset + seq_input->length() * sizeof(uc16);
+
+ bool success =
+ test(seq_input.location(), start_offset, end_offset, captures);
+
+ CHECK(success);
+ CHECK_EQ(0, captures[0]);
+ CHECK_EQ(3, captures[1]);
+ CHECK_EQ(-1, captures[2]);
+ CHECK_EQ(-1, captures[3]);
+
+ const uc16 input_data2[9] = {'b', 'a', 'r', 'b', 'a', 'r', 'b', 'a', '\xa0'};
+ input = Factory::NewStringFromTwoByte(Vector<const uc16>(input_data2, 9));
+ seq_input = Handle<SeqTwoByteString>::cast(input);
+ start_adr = seq_input->GetCharsAddress();
+ start_offset = start_adr - reinterpret_cast<Address>(*seq_input);
+ end_offset = start_offset + seq_input->length() * sizeof(uc16);
+
+ success = test(seq_input.location(), start_offset, end_offset, captures);
+
+ CHECK(!success);
+}
+
+
TEST(MacroAssemblerIA32Backtrack) {
typedef bool (*AsciiTest) (
SeqAsciiString** base, int start_index, int end_index, int* captures);
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