ebnfparser

package
v0.308.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 28, 2021 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

Code generated by "ωBNF gen" DO NOT EDIT. $ wbnf gen --grammar ebnf.wbnf --start grammar --pkg ebnfparser --output ebnf.go

Index

Constants

This section is empty.

Variables

View Source 
var (
	NodeExiter = &nodeExiter{}
	Aborter    = &aborter{}
)

Functions

func GenerateOutput 

func GenerateOutput(grammar *EbnfGrammar, value *sysl.Value, logger *logrus.Logger) (string, error)

func Grammar 

func Grammar() parser.Parsers

Types

type AtomNode 

type AtomNode struct{ ast.Node }

func (AtomNode) AllToken added in v0.7.0 

func (c AtomNode) AllToken() []string

func (AtomNode) Choice 

func (c AtomNode) Choice() int

func (AtomNode) OneRule 

func (c AtomNode) OneRule() *IdentNode

func (AtomNode) OneString 

func (c AtomNode) OneString() *StringNode

func (AtomNode) OneTerm 

func (c AtomNode) OneTerm() *TermNode

func (AtomNode) OneToken added in v0.7.0 

func (c AtomNode) OneToken() string

type CommentNode 

type CommentNode struct{ ast.Node }

func (*CommentNode) String 

func (c *CommentNode) String() string

type EbnfGrammar 

type EbnfGrammar struct {
	Rules map[string][]TermNode
	Start string
}

func ReadGrammar 

func ReadGrammar(fs afero.Fs, filename string, start string) (*EbnfGrammar, error)

type GrammarNode 

type GrammarNode struct{ ast.Node }

func NewGrammarNode 

func NewGrammarNode(from ast.Node) GrammarNode

func Parse 

func Parse(input *parser.Scanner) (GrammarNode, error)

func ParseString 

func ParseString(input string) (GrammarNode, error)

func (GrammarNode) AllStmt 

func (c GrammarNode) AllStmt() []StmtNode

func (GrammarNode) GetAstNode 

func (c GrammarNode) GetAstNode() ast.Node

type IdentNode 

type IdentNode struct{ ast.Node }

func (*IdentNode) String 

func (c *IdentNode) String() string

type ProdNode 

type ProdNode struct{ ast.Node }

func (ProdNode) AllTerm 

func (c ProdNode) AllTerm() []TermNode

func (ProdNode) AllToken added in v0.7.0 

func (c ProdNode) AllToken() []string

func (ProdNode) OneIdent 

func (c ProdNode) OneIdent() *IdentNode

func (ProdNode) OneToken added in v0.7.0 

func (c ProdNode) OneToken() string

type StmtNode 

type StmtNode struct{ ast.Node }

func (StmtNode) Choice 

func (c StmtNode) Choice() int

func (StmtNode) OneComment 

func (c StmtNode) OneComment() *CommentNode

func (StmtNode) OneProd 

func (c StmtNode) OneProd() *ProdNode

type Stopper 

type Stopper interface {
	ExitNode() bool
	Abort() bool
}

type StringNode 

type StringNode struct{ ast.Node }

func (*StringNode) String 

func (c *StringNode) String() string

type TermNode 

type TermNode struct{ ast.Node }

func (TermNode) AllTerm 

func (c TermNode) AllTerm() []TermNode

func (TermNode) OneAtom 

func (c TermNode) OneAtom() *AtomNode

func (TermNode) OneOp 

func (c TermNode) OneOp() string

func (TermNode) OneQuant 

func (c TermNode) OneQuant() *TermQuantNode

type TermQuantNode added in v0.7.0 

type TermQuantNode struct{ ast.Node }

func (TermQuantNode) Choice added in v0.7.0 

func (c TermQuantNode) Choice() int

func (TermQuantNode) OneToken added in v0.7.0 

func (c TermQuantNode) OneToken() string

type WalkerOps 

type WalkerOps struct {
	EnterAtomNode      func(AtomNode) Stopper
	ExitAtomNode       func(AtomNode) Stopper
	EnterCommentNode   func(CommentNode) Stopper
	ExitCommentNode    func(CommentNode) Stopper
	EnterGrammarNode   func(GrammarNode) Stopper
	ExitGrammarNode    func(GrammarNode) Stopper
	EnterIdentNode     func(IdentNode) Stopper
	ExitIdentNode      func(IdentNode) Stopper
	EnterProdNode      func(ProdNode) Stopper
	ExitProdNode       func(ProdNode) Stopper
	EnterStmtNode      func(StmtNode) Stopper
	ExitStmtNode       func(StmtNode) Stopper
	EnterStringNode    func(StringNode) Stopper
	ExitStringNode     func(StringNode) Stopper
	EnterTermNode      func(TermNode) Stopper
	ExitTermNode       func(TermNode) Stopper
	EnterTermQuantNode func(TermQuantNode) Stopper
	ExitTermQuantNode  func(TermQuantNode) Stopper
	EnterWrapReNode    func(WrapReNode) Stopper
	ExitWrapReNode     func(WrapReNode) Stopper
}

func (WalkerOps) Walk 

func (w WalkerOps) Walk(tree GrammarNode)

func (WalkerOps) WalkAtomNode added in v0.7.0 

func (w WalkerOps) WalkAtomNode(node AtomNode) Stopper

func (WalkerOps) WalkGrammarNode added in v0.7.0 

func (w WalkerOps) WalkGrammarNode(node GrammarNode) Stopper

func (WalkerOps) WalkProdNode added in v0.7.0 

func (w WalkerOps) WalkProdNode(node ProdNode) Stopper

func (WalkerOps) WalkStmtNode added in v0.7.0 

func (w WalkerOps) WalkStmtNode(node StmtNode) Stopper

func (WalkerOps) WalkTermNode added in v0.7.0 

func (w WalkerOps) WalkTermNode(node TermNode) Stopper

func (WalkerOps) WalkTermQuantNode added in v0.7.0 

func (w WalkerOps) WalkTermQuantNode(node TermQuantNode) Stopper

type WrapReNode added in v0.7.0 

type WrapReNode struct{ ast.Node }

func (*WrapReNode) String added in v0.7.0 

func (c *WrapReNode) String() string

Source Files

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