v8::internal::Token Class Reference

#include <token.h>

Collaboration diagram for v8::internal::Token:

Public Types
enum	Value { NUM_TOKENS }

Static Public Member Functions
static const char *	Name (Value tok)
static bool	IsKeyword (Value tok)
static bool	IsAssignmentOp (Value tok)
static bool	IsBinaryOp (Value op)
static bool	IsTruncatingBinaryOp (Value op)
static bool	IsCompareOp (Value op)
static bool	IsOrderedRelationalCompareOp (Value op)
static bool	IsEqualityOp (Value op)
static bool	IsInequalityOp (Value op)
static bool	IsArithmeticCompareOp (Value op)
static Value	NegateCompareOp (Value op)
static Value	ReverseCompareOp (Value op)
static bool	IsBitOp (Value op)
static bool	IsUnaryOp (Value op)
static bool	IsCountOp (Value op)
static bool	IsShiftOp (Value op)
static const char *	String (Value tok)
static int	Precedence (Value tok)

Static Private Attributes
static const char *const	name_ [NUM_TOKENS]
static const char *const	string_ [NUM_TOKENS]
static const int8_t	precedence_ [NUM_TOKENS]
static const char	token_type [NUM_TOKENS]

Detailed Description

Definition at line 168 of file token.h.

Member Enumeration Documentation

Value

enum v8::internal::Token::Value

Enumerator
NUM_TOKENS

Definition at line 172 of file token.h.

             {
    TOKEN_LIST(T, T)
    NUM_TOKENS
  };

Member Function Documentation

IsArithmeticCompareOp()

static bool v8::internal::Token::IsArithmeticCompareOp ( Value  op )

inlinestatic

Definition at line 218 of file token.h.

                                              {
    return IsOrderedRelationalCompareOp(op) ||
        IsEqualityOp(op) || IsInequalityOp(op);
  }

References IsEqualityOp(), IsInequalityOp(), and IsOrderedRelationalCompareOp().

Referenced by NegateCompareOp(), and ReverseCompareOp().

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IsAssignmentOp()

static bool v8::internal::Token::IsAssignmentOp ( Value  tok )

inlinestatic

Definition at line 190 of file token.h.

                                        {
    return INIT_VAR <= tok && tok <= ASSIGN_MOD;
  }

Referenced by v8::internal::FINAL< kOperandKind, kNumCachedOperands >::Init(), and v8::internal::ParserBase< Traits >::ParseAssignmentExpression().

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IsBinaryOp()

static bool v8::internal::Token::IsBinaryOp ( Value  op )

inlinestatic

Definition at line 194 of file token.h.

                                   {
    return COMMA <= op && op <= MOD;
  }

References COMMA.

Referenced by v8::internal::FINAL< kOperandKind, kNumCachedOperands >::BinaryOperation().

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IsBitOp()

static bool v8::internal::Token::IsBitOp ( Value  op )

inlinestatic

Definition at line 257 of file token.h.

                                {
    return (BIT_OR <= op && op <= SHR) || op == BIT_NOT;
  }

IsCompareOp()

static bool v8::internal::Token::IsCompareOp ( Value  op )

inlinestatic

Definition at line 202 of file token.h.

                                    {
    return EQ <= op && op <= IN;
  }

References v8::internal::EQ, and IN.

Referenced by v8::internal::CompareICStub::CompareICStub(), v8::internal::FINAL< kOperandKind, kNumCachedOperands >::CompareOperation(), v8::internal::EvalComparison(), v8::internal::FINAL< kOperandKind, kNumCachedOperands >::HCompareGeneric(), v8::internal::HCompareNumericAndBranch::HCompareNumericAndBranch(), v8::internal::HStringCompareAndBranch::HStringCompareAndBranch(), and v8::internal::ParserBase< Traits >::ParseBinaryExpression().

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IsCountOp()

static bool v8::internal::Token::IsCountOp ( Value  op )

inlinestatic

Definition at line 265 of file token.h.

                                  {
    return op == INC || op == DEC;
  }

Referenced by v8::internal::ParserBase< Traits >::ParsePostfixExpression(), and v8::internal::ParserBase< Traits >::ParseUnaryExpression().

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IsEqualityOp()

static bool v8::internal::Token::IsEqualityOp ( Value  op )

inlinestatic

Definition at line 210 of file token.h.

                                     {
    return op == EQ || op == EQ_STRICT;
  }

References v8::internal::EQ.

Referenced by v8::internal::HOptimizedGraphBuilder::BuildCompareInstruction(), IsArithmeticCompareOp(), v8::internal::FINAL< kOperandKind, kNumCachedOperands >::LimitFromPredecessorBlock::LimitIsIncluded(), v8::internal::MatchLiteralCompareNull(), v8::internal::MatchLiteralCompareTypeof(), and v8::internal::MatchLiteralCompareUndefined().

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IsInequalityOp()

static bool v8::internal::Token::IsInequalityOp ( Value  op )

inlinestatic

Definition at line 214 of file token.h.

                                       {
    return op == NE || op == NE_STRICT;
  }

Referenced by IsArithmeticCompareOp().

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IsKeyword()

static bool v8::internal::Token::IsKeyword ( Value  tok )

inlinestatic

Definition at line 186 of file token.h.

                                   {
    return token_type[tok] == 'K';
  }

References token_type.

Referenced by v8::internal::ParserBase< Traits >::ParseIdentifierName().

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IsOrderedRelationalCompareOp()

static bool v8::internal::Token::IsOrderedRelationalCompareOp ( Value  op )

inlinestatic

Definition at line 206 of file token.h.

                                                     {
    return op == LT || op == LTE || op == GT || op == GTE;
  }

Referenced by IsArithmeticCompareOp().

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IsShiftOp()

static bool v8::internal::Token::IsShiftOp ( Value  op )

inlinestatic

Definition at line 269 of file token.h.

                                  {
    return (SHL <= op) && (op <= SHR);
  }

IsTruncatingBinaryOp()

static bool v8::internal::Token::IsTruncatingBinaryOp ( Value  op )

inlinestatic

Definition at line 198 of file token.h.

                                             {
    return BIT_OR <= op && op <= ROR;
  }

References v8::internal::ROR.

IsUnaryOp()

static bool v8::internal::Token::IsUnaryOp ( Value  op )

inlinestatic

Definition at line 261 of file token.h.

                                  {
    return (NOT <= op && op <= VOID) || op == ADD || op == SUB;
  }

References v8::internal::ADD, v8::internal::NOT, v8::internal::SUB, and VOID.

Referenced by v8::internal::ParserBase< Traits >::ParseUnaryExpression(), and v8::internal::FINAL< kOperandKind, kNumCachedOperands >::UnaryOperation().

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Name()

static const char* v8::internal::Token::Name ( Value  tok )

inlinestatic

Definition at line 180 of file token.h.

                                     {
    DCHECK(tok < NUM_TOKENS);  // tok is unsigned
    return name_[tok];
  }

References DCHECK, name_, and NUM_TOKENS.

Referenced by v8::internal::CompareIC::UpdateCaches(), and v8::internal::HRangeAnalysisPhase::UpdateControlFlowRange().

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NegateCompareOp()

static Value v8::internal::Token::NegateCompareOp ( Value  op )

inlinestatic

Definition at line 223 of file token.h.

                                         {
    DCHECK(IsArithmeticCompareOp(op));
    switch (op) {
      case EQ: return NE;
      case NE: return EQ;
      case EQ_STRICT: return NE_STRICT;
      case NE_STRICT: return EQ_STRICT;
      case LT: return GTE;
      case GT: return LTE;
      case LTE: return GT;
      case GTE: return LT;
      default:
        UNREACHABLE();
        return op;
    }
  }

References DCHECK, v8::internal::EQ, IsArithmeticCompareOp(), and UNREACHABLE.

Referenced by v8::internal::HRangeAnalysisPhase::InferControlFlowRange().

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Precedence()

static int v8::internal::Token::Precedence ( Value  tok )

inlinestatic

Definition at line 283 of file token.h.

                                   {
    DCHECK(tok < NUM_TOKENS);  // tok is unsigned.
    return precedence_[tok];
  }

References DCHECK, NUM_TOKENS, and precedence_.

Referenced by v8::internal::ParserBase< Traits >::Precedence().

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ReverseCompareOp()

static Value v8::internal::Token::ReverseCompareOp ( Value  op )

inlinestatic

Definition at line 240 of file token.h.

                                          {
    DCHECK(IsArithmeticCompareOp(op));
    switch (op) {
      case EQ: return EQ;
      case NE: return NE;
      case EQ_STRICT: return EQ_STRICT;
      case NE_STRICT: return NE_STRICT;
      case LT: return GT;
      case GT: return LT;
      case LTE: return GTE;
      case GTE: return LTE;
      default:
        UNREACHABLE();
        return op;
    }
  }

References DCHECK, v8::internal::EQ, IsArithmeticCompareOp(), and UNREACHABLE.

Referenced by v8::internal::HRangeAnalysisPhase::InferControlFlowRange().

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String()

static const char* v8::internal::Token::String ( Value  tok )

inlinestatic

Definition at line 276 of file token.h.

                                       {
    DCHECK(tok < NUM_TOKENS);  // tok is unsigned.
    return string_[tok];
  }

References DCHECK, NUM_TOKENS, and string_.

Referenced by v8::internal::ParserBase< Traits >::ReportUnexpectedToken().

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Member Data Documentation

name_

const char *const v8::internal::Token::name_

staticprivate

Initial value:

= {
 
}

Definition at line 289 of file token.h.

Referenced by Name().

precedence_

const int8_t v8::internal::Token::precedence_

staticprivate

Initial value:

= {
 
}

Definition at line 291 of file token.h.

Referenced by Precedence().

string_

const char *const v8::internal::Token::string_

staticprivate

Initial value:

= {
 
}

Definition at line 290 of file token.h.

Referenced by String().

token_type

const char v8::internal::Token::token_type

staticprivate

Initial value:

= {
 
}

Definition at line 292 of file token.h.

Referenced by IsKeyword().

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/src/token.h
• /mnt/V8SourceCode/src/token.cc