mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 12:24:24 +00:00
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "vm/regexp_assembler.h"
|
|
|
|
#include "vm/flags.h"
|
|
#include "vm/regexp.h"
|
|
#include "vm/unibrow-inl.h"
|
|
|
|
namespace dart {
|
|
|
|
void PrintUtf16(uint16_t c) {
|
|
const char* format =
|
|
(0x20 <= c && c <= 0x7F) ? "%c" : (c <= 0xff) ? "\\x%02x" : "\\u%04x";
|
|
OS::Print(format, c);
|
|
}
|
|
|
|
|
|
static RawBool* CaseInsensitiveCompareUC16(RawString* str_raw,
|
|
RawSmi* lhs_index_raw,
|
|
RawSmi* rhs_index_raw,
|
|
RawSmi* length_raw) {
|
|
const String& str = String::Handle(str_raw);
|
|
const Smi& lhs_index = Smi::Handle(lhs_index_raw);
|
|
const Smi& rhs_index = Smi::Handle(rhs_index_raw);
|
|
const Smi& length = Smi::Handle(length_raw);
|
|
|
|
// TODO(zerny): Optimize as single instance. V8 has this as an
|
|
// isolate member.
|
|
unibrow::Mapping<unibrow::Ecma262Canonicalize> canonicalize;
|
|
|
|
for (intptr_t i = 0; i < length.Value(); i++) {
|
|
int32_t c1 = str.CharAt(lhs_index.Value() + i);
|
|
int32_t c2 = str.CharAt(rhs_index.Value() + i);
|
|
if (c1 != c2) {
|
|
int32_t s1[1] = {c1};
|
|
canonicalize.get(c1, '\0', s1);
|
|
if (s1[0] != c2) {
|
|
int32_t s2[1] = {c2};
|
|
canonicalize.get(c2, '\0', s2);
|
|
if (s1[0] != s2[0]) {
|
|
return Bool::False().raw();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return Bool::True().raw();
|
|
}
|
|
|
|
|
|
DEFINE_RAW_LEAF_RUNTIME_ENTRY(
|
|
CaseInsensitiveCompareUC16,
|
|
4,
|
|
false /* is_float */,
|
|
reinterpret_cast<RuntimeFunction>(&CaseInsensitiveCompareUC16));
|
|
|
|
|
|
BlockLabel::BlockLabel()
|
|
: block_(NULL), is_bound_(false), is_linked_(false), pos_(-1) {
|
|
#if !defined(DART_PRECOMPILED_RUNTIME)
|
|
if (!FLAG_interpret_irregexp) {
|
|
// Only needed by the compiled IR backend.
|
|
block_ = new JoinEntryInstr(-1, -1, Thread::Current()->GetNextDeoptId());
|
|
}
|
|
#endif
|
|
}
|
|
|
|
RegExpMacroAssembler::RegExpMacroAssembler(Zone* zone)
|
|
: slow_safe_compiler_(false), global_mode_(NOT_GLOBAL), zone_(zone) {}
|
|
|
|
RegExpMacroAssembler::~RegExpMacroAssembler() {}
|
|
|
|
} // namespace dart
|