token

package
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Published: Sep 21, 2022 License: Apache-2.0 Imports: 1 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func IsId

func IsId(t Token) bool

func IsUnreservedWord

func IsUnreservedWord(t Token) bool

Types

type Token

type Token int

Token Javascript中的词标集合

const (
	ILLEGAL Token
	EOF
	COMMENT

	STRING
	NUMBER

	PLUS      // +
	MINUS     // -
	MULTIPLY  // *
	EXPONENT  // **
	SLASH     // /
	REMAINDER // %

	AND                  // &
	OR                   // |
	EXCLUSIVE_OR         // ^
	SHIFT_LEFT           // <<
	SHIFT_RIGHT          // >>
	UNSIGNED_SHIFT_RIGHT // >>>

	ADD_ASSIGN       // +=
	SUBTRACT_ASSIGN  // -=
	MULTIPLY_ASSIGN  // *=
	EXPONENT_ASSIGN  // **=
	QUOTIENT_ASSIGN  // /=
	REMAINDER_ASSIGN // %=

	AND_ASSIGN                  // &=
	OR_ASSIGN                   // |=
	EXCLUSIVE_OR_ASSIGN         // ^=
	SHIFT_LEFT_ASSIGN           // <<=
	SHIFT_RIGHT_ASSIGN          // >>=
	UNSIGNED_SHIFT_RIGHT_ASSIGN // >>>=

	LOGICAL_AND // &&
	LOGICAL_OR  // ||
	COALESCE    // ??
	INCREMENT   // ++
	DECREMENT   // --

	EQUAL        // ==
	STRICT_EQUAL // ===
	LESS         // <
	GREATER      // >
	ASSIGN       // =
	NOT          // !

	BITWISE_NOT // ~

	NOT_EQUAL        // !=
	STRICT_NOT_EQUAL // !==
	LESS_OR_EQUAL    // <=
	GREATER_OR_EQUAL // >=

	LEFT_PARENTHESIS // (
	LEFT_BRACKET     // [
	LEFT_BRACE       // {
	COMMA            // ,
	PERIOD           // .

	RIGHT_PARENTHESIS // )
	RIGHT_BRACKET     // ]
	RIGHT_BRACE       // }
	SEMICOLON         // ;
	COLON             // :
	QUESTION_MARK     // ?
	QUESTION_DOT      // ?.
	ARROW             // =>
	ELLIPSIS          // ...
	BACKTICK          // `

	PRIVATE_IDENTIFIER

	IDENTIFIER
	KEYWORD
	BOOLEAN
	NULL

	IF
	IN
	OF
	DO

	VAR
	FOR
	NEW
	TRY

	THIS
	ELSE
	CASE
	VOID
	WITH

	CONST
	WHILE
	BREAK
	CATCH
	THROW
	CLASS
	SUPER

	RETURN
	TYPEOF
	DELETE
	SWITCH

	DEFAULT
	FINALLY
	EXTENDS

	FUNCTION
	CONTINUE
	DEBUGGER

	INSTANCEOF

	ESCAPED_RESERVED_WORD

	LET
	STATIC
)

func IsKeyword

func IsKeyword(literal string) (Token, bool)

IsKeyword 如果 literal 是一个关键词,则返回一个关键字令牌 如果 literal 是一个未来的关键字,或者不是关键字,则返回0

func (Token) String

func (t Token) String() string

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