parser

Documentation

Index

• type Lexer
  • func NewLexer(input string) *Lexer
• type Parser
  • func NewParser(l *Lexer) *Parser
  • func (p *Parser) Parse() []ast.Statement
  • func (p *Parser) ParseAtom() (res ast.Expression)
  • func (p *Parser) ParseBlock() *ast.Block
  • func (p *Parser) ParseExpression(pr byte) ast.Expression
  • func (p *Parser) ParseExpressionStatement() ast.Statement
  • func (p *Parser) ParseIden() ast.Expression
  • func (p *Parser) ParseIfElse() *ast.IfElse
  • func (p *Parser) ParseStatement() ast.Statement

Types

type Lexer

type Lexer struct {
	// contains filtered or unexported fields
}

Lexer is the tokenizer type

func NewLexer

func NewLexer(input string) *Lexer

NewLexer creates a lexer from a string

type Parser

type Parser struct {
	Error *string
	// contains filtered or unexported fields
}

Parser is the base parsing struct

func NewParser

func NewParser(l *Lexer) *Parser

NewParser creates a parsing from a Lexer

func (*Parser) Parse

func (p *Parser) Parse() []ast.Statement

Parse is the main parsing function. Use this to get an array of Statements.

func (*Parser) ParseAtom

func (p *Parser) ParseAtom() (res ast.Expression)

ParseAtom parses all literals

func (*Parser) ParseBlock

func (p *Parser) ParseBlock() *ast.Block

ParseBlock parses a block

func (*Parser) ParseExpression

func (p *Parser) ParseExpression(pr byte) ast.Expression

ParseExpression parses an expression

func (*Parser) ParseExpressionStatement

func (p *Parser) ParseExpressionStatement() ast.Statement

ParseExpressionStatement parses an expression statement

func (*Parser) ParseIden

func (p *Parser) ParseIden() ast.Expression

ParseIden parses a variable name

func (*Parser) ParseIfElse

func (p *Parser) ParseIfElse() *ast.IfElse

ParseIfElse parses an if, else expression

func (*Parser) ParseStatement

func (p *Parser) ParseStatement() ast.Statement

ParseStatement parses a single statement