dart-sdk/runtime/vm/token.cc
Ryan Macnak e7040c86eb AOT: Speculate that bitwise operators will have Smi receivers and arguments.
Add shifts to CheckedSmiOps.

Fix invalid load forwarding across CheckedSmiOps and CheckedSmiComparisons.

R=fschneider@google.com

Review URL: https://codereview.chromium.org/2487873003 .
2016-11-11 13:33:43 -08:00

86 lines
2.1 KiB
C++

// Copyright (c) 2011, 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/token.h"
#include "vm/object.h"
namespace dart {
#define TOKEN_NAME(t, s, p, a) #t,
const char* Token::name_[] = {DART_TOKEN_LIST(TOKEN_NAME)
DART_KEYWORD_LIST(TOKEN_NAME)};
#undef TOKEN_NAME
#define TOKEN_STRING(t, s, p, a) s,
const char* Token::tok_str_[] = {DART_TOKEN_LIST(TOKEN_STRING)
DART_KEYWORD_LIST(TOKEN_STRING)};
#undef TOKEN_STRING
#define TOKEN_PRECEDENCE(t, s, p, a) p,
const uint8_t Token::precedence_[] = {DART_TOKEN_LIST(TOKEN_PRECEDENCE)
DART_KEYWORD_LIST(TOKEN_PRECEDENCE)};
#undef TOKEN_PRECEDENCE
#define TOKEN_ATTRIBUTE(t, s, p, a) a,
const Token::Attribute Token::attributes_[] = {
DART_TOKEN_LIST(TOKEN_ATTRIBUTE) DART_KEYWORD_LIST(TOKEN_ATTRIBUTE)};
#undef TOKEN_ATTRIBUTE
bool Token::IsBinaryOperator(Token::Kind token) {
switch (token) {
case Token::kOR:
case Token::kAND:
return true;
default:
return IsBinaryArithmeticOperator(token);
}
}
bool Token::IsUnaryOperator(Token::Kind token) {
return (token == kNOT) || IsUnaryArithmeticOperator(token);
}
bool Token::IsBinaryArithmeticOperator(Token::Kind token) {
switch (token) {
case Token::kADD:
case Token::kSUB:
case Token::kMUL:
case Token::kDIV:
case Token::kTRUNCDIV:
case Token::kMOD:
case Token::kBIT_OR:
case Token::kBIT_XOR:
case Token::kBIT_AND:
case Token::kSHL:
case Token::kSHR:
return true;
default:
return false;
}
}
bool Token::IsUnaryArithmeticOperator(Token::Kind token) {
return (token == kBIT_NOT) || (token == kNEGATE);
}
bool Token::IsBinaryBitwiseOperator(Token::Kind token) {
switch (token) {
case Token::kBIT_OR:
case Token::kBIT_XOR:
case Token::kBIT_AND:
case Token::kSHL:
case Token::kSHR:
return true;
default:
return false;
}
}
} // namespace dart