parser

package
v0.0.0-...-c7f8db1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Nov 10, 2022 License: MIT Imports: 12 Imported by: 0

Documentation

Overview

Modified upon: yuin/gopher-lua

Index

Constants

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const ASSIGN = 57396
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const EOF = 0xffffffff
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const FUNC = 57397
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const TAddEq = 57384
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const TAnd = 57374
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const TBitAndEq = 57390
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const TBitLshEq = 57393
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const TBitOrEq = 57391
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const TBitRshEq = 57394
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const TBitURshEq = 57395
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const TBitXorEq = 57392
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const TBreak = 57351
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const TContinue = 57352
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const TDivEq = 57387
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const TDo = 57346
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const TDotDotDot = 57369
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const TElse = 57353
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const TElseIf = 57348
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const TEnd = 57350
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const TEqeq = 57375
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const TFor = 57354
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const TFunc = 57356
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const TGoto = 57364
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const TGte = 57378
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const TIDiv = 57382
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const TIDivEq = 57388
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const TIdent = 57379
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const TIf = 57357
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const TIn = 57365
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const TInv = 57383
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const TIs = 57372
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const TLBracket = 57371
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const TLParen = 57370
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const TLabel = 57363
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const TLocal = 57347
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const TLsh = 57366
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const TLte = 57377
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const TModEq = 57389
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const TMulEq = 57386
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const TNeq = 57376
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const TNot = 57362
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const TNumber = 57380
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const TOr = 57373
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const TRepeat = 57360
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const TReturn = 57358
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const TReturnVoid = 57359
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const TRsh = 57367
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const TString = 57381
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const TSubEq = 57385
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const TThen = 57349
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const TURsh = 57368
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const TUntil = 57361
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const TWhile = 57355
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const UNARY = 57398

Variables

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var (
	Sa   = &Symbol{Name: bas.Str("a!")}
	SNil = &Symbol{Name: bas.Str("nil")}
)

Functions

This section is empty.

Types

type Address 

type Address uint16

func (Address) Dump 

func (s Address) Dump(w io.Writer)

type And 

type And struct {
	A, B Node
}

func (And) Dump 

func (p And) Dump(w io.Writer)

type Assign 

type Assign Declare

func (*Assign) Dump 

func (p *Assign) Dump(w io.Writer)

func (*Assign) GetLine 

func (b *Assign) GetLine() (string, int)

type Binary 

type Binary struct {
	A, B Node
	Op   byte
	Line uint32
}

func (*Binary) Dump 

func (b *Binary) Dump(w io.Writer)

func (*Binary) GetLine 

func (b *Binary) GetLine() (string, int)

type BreakContinue 

type BreakContinue struct {
	Break bool
	Line  uint32
}

func (*BreakContinue) Dump 

func (p *BreakContinue) Dump(w io.Writer)

func (*BreakContinue) GetLine 

func (p *BreakContinue) GetLine() (string, int)

type Call 

type Call struct {
	Op     byte
	Callee Node
	Args   ExprList
	Vararg bool
	Line   uint32
}

func (*Call) Dump 

func (p *Call) Dump(w io.Writer)

func (*Call) GetLine 

func (b *Call) GetLine() (string, int)

type DeclList 

type DeclList []Node

func (DeclList) Dump 

func (p DeclList) Dump(w io.Writer)

type Declare 

type Declare struct {
	Name  *Symbol
	Value Node
	Line  uint32
}

func (*Declare) Dump 

func (p *Declare) Dump(w io.Writer)

func (*Declare) GetLine 

func (b *Declare) GetLine() (string, int)

type Error 

type Error struct {
	Pos     Position
	Message string
	Token   string
}

func (*Error) Error 

func (e *Error) Error() string

type ExprAssignList 

type ExprAssignList [][2]Node

func (ExprAssignList) Dump 

func (p ExprAssignList) Dump(w io.Writer)

func (*ExprAssignList) ExpandAsExprList 

func (p *ExprAssignList) ExpandAsExprList() (tmp ExprList)

type ExprList 

type ExprList []Node

func (ExprList) Dump 

func (p ExprList) Dump(w io.Writer)

type Function 

type Function struct {
	Name       string
	Args       IdentList
	Body       Node
	Vararg     bool
	VargExpand IdentList
	Line       uint32
}

func (*Function) Dump 

func (p *Function) Dump(w io.Writer)

func (*Function) GetLine 

func (b *Function) GetLine() (string, int)

type GetLine 

type GetLine interface {
	Node
	GetLine() (string, int)
}

type GotoLabel 

type GotoLabel struct {
	Label string
	Goto  bool
	Line  uint32
}

func (*GotoLabel) Dump 

func (p *GotoLabel) Dump(w io.Writer)

func (*GotoLabel) GetLine 

func (p *GotoLabel) GetLine() (string, int)

type IdentList 

type IdentList []Node

func (IdentList) Dump 

func (p IdentList) Dump(w io.Writer)

type IdentVarargExpandList 

type IdentVarargExpandList struct {
	IdentList
	Expand IdentList
}

type IdentVarargList 

type IdentVarargList struct {
	IdentList
}

type If 

type If struct {
	Cond        Node
	True, False Node
}

func (*If) Dump 

func (p *If) Dump(w io.Writer)

type Lexer 

type Lexer struct {
	Stmts Node
	Token Token
	// contains filtered or unexported fields
}

func (*Lexer) Error 

func (lx *Lexer) Error(message string)

func (*Lexer) Float 

func (lex *Lexer) Float(v float64) Primitive

func (*Lexer) Int 

func (lex *Lexer) Int(v int64) Primitive

func (*Lexer) IntBool 

func (lex *Lexer) IntBool(b bool) (n Node)

func (*Lexer) Lex 

func (lx *Lexer) Lex(lval *yySymType) int

func (*Lexer) Num 

func (lex *Lexer) Num(v string) Primitive

func (*Lexer) Str 

func (lex *Lexer) Str(s string) Primitive

func (*Lexer) TokenError 

func (lx *Lexer) TokenError(tok Token, message string)

type LoadConst 

type LoadConst struct {
	Table bas.Map
	Funcs bas.Map
}

func (*LoadConst) Dump 

func (p *LoadConst) Dump(w io.Writer)

type Loop 

type Loop struct {
	Continue Node
	Body     Node
}

func (*Loop) Dump 

func (p *Loop) Dump(w io.Writer)

type Node 

type Node interface {
	Dump(io.Writer)
}

func Parse 

func Parse(text, name string) (chunk Node, err error)

type Or 

type Or And

func (Or) Dump 

func (p Or) Dump(w io.Writer)

type Position 

type Position struct {
	Source string
	Line   uint32
	Column uint32
}

func (*Position) String 

func (pos *Position) String() string

type Primitive 

type Primitive bas.Value

func (Primitive) Dump 

func (p Primitive) Dump(w io.Writer)

func (Primitive) Value 

func (p Primitive) Value() bas.Value

type Prog 

type Prog struct {
	DoBlock bool
	Stats   []Node
}

func (*Prog) Append 

func (p *Prog) Append(stat Node) *Prog

func (*Prog) Dump 

func (p *Prog) Dump(w io.Writer)

func (*Prog) String 

func (p *Prog) String() string

type Release 

type Release []*Symbol

func (Release) Dump 

func (p Release) Dump(w io.Writer)

type Scanner 

type Scanner struct {
	Pos Position
	// contains filtered or unexported fields
}

func NewScanner 

func NewScanner(text string, source string) *Scanner

func (*Scanner) Error 

func (sc *Scanner) Error(tok string, msg string) *Error

func (*Scanner) Next 

func (sc *Scanner) Next() uint32

func (*Scanner) Peek 

func (sc *Scanner) Peek() uint32

func (*Scanner) Scan 

func (sc *Scanner) Scan(lexer *Lexer) (Token, error)

func (*Scanner) TokenError 

func (sc *Scanner) TokenError(tok Token, msg string) *Error

type Symbol 

type Symbol struct {
	Name bas.Value
	Line uint32
}

func Sym 

func Sym(tok Token) *Symbol

func (*Symbol) Dump 

func (s *Symbol) Dump(w io.Writer)

func (*Symbol) GetLine 

func (s *Symbol) GetLine() (string, int)

type Tenary 

type Tenary struct {
	Op      byte
	A, B, C Node
	Line    uint32
}

func (*Tenary) Dump 

func (p *Tenary) Dump(w io.Writer)

func (*Tenary) GetLine 

func (b *Tenary) GetLine() (string, int)

type Token 

type Token struct {
	Type uint32
	Str  string
	Pos  Position
}

func (*Token) Line 

func (t *Token) Line() uint32

func (*Token) String 

func (t *Token) String() string

type Unary 

type Unary struct {
	Op   byte
	A    Node
	Line uint32
}

func (*Unary) Dump 

func (b *Unary) Dump(w io.Writer)

func (*Unary) GetLine 

func (b *Unary) GetLine() (string, int)

Source Files

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