ast

Documentation

Index

• type ArrayLiteral
  • func (al *ArrayLiteral) String() string
  • func (al *ArrayLiteral) TokenLiteral() string
• type BlockStatement
  • func (bs *BlockStatement) String() string
  • func (bs *BlockStatement) TokenLiteral() string
• type Boolean
  • func (b *Boolean) String() string
  • func (b *Boolean) TokenLiteral() string
• type CallExpression
  • func (ce *CallExpression) String() string
  • func (ce *CallExpression) TokenLiteral() string
• type Expression
• type ExpressionStatement
  • func (es *ExpressionStatement) String() string
  • func (es *ExpressionStatement) TokenLiteral() string
• type FunctionLiteral
  • func (fl *FunctionLiteral) String() string
  • func (fl *FunctionLiteral) TokenLiteral() string
• type HashLiteral
  • func (hl *HashLiteral) String() string
  • func (hl *HashLiteral) TokenLiteral() string
• type Identifier
  • func (i *Identifier) String() string
  • func (i *Identifier) TokenLiteral() string
• type IfExpression
  • func (ie *IfExpression) String() string
  • func (ie *IfExpression) TokenLiteral() string
• type IndexExpression
  • func (ie *IndexExpression) String() string
  • func (ie *IndexExpression) TokenLiteral() string
• type InfixExpression
  • func (oe *InfixExpression) String() string
  • func (oe *InfixExpression) TokenLiteral() string
• type IntegerLiteral
  • func (il *IntegerLiteral) String() string
  • func (il *IntegerLiteral) TokenLiteral() string
• type LetStatement
  • func (ls *LetStatement) String() string
  • func (ls *LetStatement) TokenLiteral() string
• type Node
• type PrefixExpression
  • func (pe *PrefixExpression) String() string
  • func (pe *PrefixExpression) TokenLiteral() string
• type Program
  • func (p *Program) String() string
  • func (p *Program) TokenLiteral() string
• type ReturnStatement
  • func (rs *ReturnStatement) String() string
  • func (rs *ReturnStatement) TokenLiteral() string
• type Statement
• type StringLiteral
  • func (sl *StringLiteral) String() string
  • func (sl *StringLiteral) TokenLiteral() string

Types

type ArrayLiteral

type ArrayLiteral struct {
	Token    token.Token // the '[' token
	Elements []Expression
}

func (*ArrayLiteral) String

func (al *ArrayLiteral) String() string

func (*ArrayLiteral) TokenLiteral

func (al *ArrayLiteral) TokenLiteral() string

type BlockStatement

type BlockStatement struct {
	Token      token.Token // the { token
	Statements []Statement
}

func (*BlockStatement) String

func (bs *BlockStatement) String() string

func (*BlockStatement) TokenLiteral

func (bs *BlockStatement) TokenLiteral() string

type Boolean

type Boolean struct {
	Token token.Token
	Value bool
}

func (*Boolean) String

func (b *Boolean) String() string

func (*Boolean) TokenLiteral

func (b *Boolean) TokenLiteral() string

type CallExpression

type CallExpression struct {
	Token     token.Token // The '(' token
	Function  Expression  // Identifier or FunctionLiteral
	Arguments []Expression
}

func (*CallExpression) String

func (ce *CallExpression) String() string

func (*CallExpression) TokenLiteral

func (ce *CallExpression) TokenLiteral() string

type Expression

type Expression interface {
	Node
	// contains filtered or unexported methods
}

All expression nodes implement this

type ExpressionStatement

type ExpressionStatement struct {
	Token      token.Token // the first token of the expression
	Expression Expression
}

func (*ExpressionStatement) String

func (es *ExpressionStatement) String() string

func (*ExpressionStatement) TokenLiteral

func (es *ExpressionStatement) TokenLiteral() string

type FunctionLiteral

type FunctionLiteral struct {
	Token      token.Token // The 'fn' token
	Parameters []*Identifier
	Body       *BlockStatement
}

func (*FunctionLiteral) String

func (fl *FunctionLiteral) String() string

func (*FunctionLiteral) TokenLiteral

func (fl *FunctionLiteral) TokenLiteral() string

type HashLiteral

type HashLiteral struct {
	Token token.Token // the '{' token
	Pairs map[Expression]Expression
}

func (*HashLiteral) String

func (hl *HashLiteral) String() string

func (*HashLiteral) TokenLiteral

func (hl *HashLiteral) TokenLiteral() string

type Identifier

type Identifier struct {
	Token token.Token // the token.IDENT token
	Value string
}

Expressions

func (*Identifier) String

func (i *Identifier) String() string

func (*Identifier) TokenLiteral

func (i *Identifier) TokenLiteral() string

type IfExpression

type IfExpression struct {
	Token       token.Token // The 'if' token
	Condition   Expression
	Consequence *BlockStatement
	Alternative *BlockStatement
}

func (*IfExpression) String

func (ie *IfExpression) String() string

func (*IfExpression) TokenLiteral

func (ie *IfExpression) TokenLiteral() string

type IndexExpression

type IndexExpression struct {
	Token token.Token // The [ token
	Left  Expression
	Index Expression
}

func (*IndexExpression) String

func (ie *IndexExpression) String() string

func (*IndexExpression) TokenLiteral

func (ie *IndexExpression) TokenLiteral() string

type InfixExpression

type InfixExpression struct {
	Token    token.Token // The operator token, e.g. +
	Left     Expression
	Operator string
	Right    Expression
}

func (*InfixExpression) String

func (oe *InfixExpression) String() string

func (*InfixExpression) TokenLiteral

func (oe *InfixExpression) TokenLiteral() string

type IntegerLiteral

type IntegerLiteral struct {
	Token token.Token
	Value int64
}

func (*IntegerLiteral) String

func (il *IntegerLiteral) String() string

func (*IntegerLiteral) TokenLiteral

func (il *IntegerLiteral) TokenLiteral() string

type LetStatement

type LetStatement struct {
	Token token.Token // the token.LET token
	Name  *Identifier
	Value Expression
}

Statements

func (*LetStatement) String

func (ls *LetStatement) String() string

func (*LetStatement) TokenLiteral

func (ls *LetStatement) TokenLiteral() string

type Node

type Node interface {
	TokenLiteral() string
	String() string
}

The base Node interface

type PrefixExpression

type PrefixExpression struct {
	Token    token.Token // The prefix token, e.g. !
	Operator string
	Right    Expression
}

func (*PrefixExpression) String

func (pe *PrefixExpression) String() string

func (*PrefixExpression) TokenLiteral

func (pe *PrefixExpression) TokenLiteral() string

type Program

type Program struct {
	Statements []Statement
}

func (*Program) String

func (p *Program) String() string

func (*Program) TokenLiteral

func (p *Program) TokenLiteral() string

type ReturnStatement

type ReturnStatement struct {
	Token       token.Token // the 'return' token
	ReturnValue Expression
}

func (*ReturnStatement) String

func (rs *ReturnStatement) String() string

func (*ReturnStatement) TokenLiteral

func (rs *ReturnStatement) TokenLiteral() string

type Statement

type Statement interface {
	Node
	// contains filtered or unexported methods
}

All statement nodes implement this

type StringLiteral

type StringLiteral struct {
	Token token.Token
	Value string
}

func (*StringLiteral) String

func (sl *StringLiteral) String() string

func (*StringLiteral) TokenLiteral

func (sl *StringLiteral) TokenLiteral() string