parser

package

v0.84.0 Latest Latest Go to latest Published: Jul 31, 2026 License: BSD-3-Clause Imports: 3 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/ozontech/file.d

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
type Position
- func (p Position) String() string
type Token
- func NewToken(typ TokenType, m *machines.Match) Token
- func Parse(input string) ([]Token, error)
- func (t Token) StartPos() Position
type TokenType
- func (t TokenType) BindingPower() int
- func (t TokenType) String() string

Constants ¶

View Source

const (
	BpLowest  = iota // 0 — expression terminator
	BpAssign         // 1 — =
	BpOr             // 2 — ||
	BpAnd            // 3 — &&
	BpEqual          // 4 — == !=
	BpCompare        // 5 — < <= > >=
	BpAdd            // 6 — + -
	BpMul            // 7 — * / %
	BpUnary          // 8 — prefix ! and - (not in BindingPower, used directly)
	BpCall           // 9 — fn()  expr[]
)

Binding power is the "gravitational pull" of an infix operator. The higher the value, the more tightly the operator binds its operands.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Position ¶

type Position struct {
	Line   int
	Column int
}

func (Position) String ¶

func (p Position) String() string

type Token ¶

type Token struct {
	Type        TokenType
	Lexeme      string
	StartLine   int
	StartColumn int
	EndLine     int
	EndColumn   int
}

func NewToken ¶

func NewToken(typ TokenType, m *machines.Match) Token

func Parse ¶

func Parse(input string) ([]Token, error)

func (Token) StartPos ¶

func (t Token) StartPos() Position

type TokenType ¶

type TokenType int

const (
	EOF TokenType = -1 + iota
	WHITESPACE
	COMMENT

	KW_IF
	KW_ELSE
	KW_TRUE
	KW_FALSE
	KW_NULL
	KW_ABORT
	KW_DEL
	KW_FOR
	KW_IN

	IDENT

	LIT_FLOAT
	LIT_INTEGER
	LIT_STRING     // "double quoted"
	LIT_STRING_RAW // s'\n\n'
	LIT_REGEX      // r'\d+'
	LIT_TIMESTAMP  // t'2024-01-01T00:00:00Z'

	OP_AND    // &&
	OP_OR     // ||
	OP_EQ     // ==
	OP_NEQ    // !=
	OP_LTE    // <=
	OP_GTE    // >=
	OP_ASSIGN // =
	OP_LT     // <
	OP_GT     // >

	LPAREN   // (
	RPAREN   // )
	LBRACE   // {
	RBRACE   // }
	LBRACKET // [
	RBRACKET // ]

	PLUS      // +
	MINUS     // -
	STAR      // *
	SLASH     // /
	PERCENT   // %
	BANG      // !
	COMMA     // ,
	COLON     // :
	SEMICOLON // ;
	DOT       // .
)

func (TokenType) BindingPower ¶

func (t TokenType) BindingPower() int

func (TokenType) String ¶

func (t TokenType) String() string

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL