ast

package
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 Go to latest Published: Nov 10, 2022 License: MIT Imports: 4 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type ArrayLiteral 

type ArrayLiteral struct {
	Token   token.Token
	Members []Expression
}

func (*ArrayLiteral) End 

func (a *ArrayLiteral) End() token.Position

func (*ArrayLiteral) Pos 

func (a *ArrayLiteral) Pos() token.Position

func (*ArrayLiteral) String 

func (a *ArrayLiteral) String() string

func (*ArrayLiteral) TokenLiteral 

func (a *ArrayLiteral) TokenLiteral() string

type AssignExpression 

type AssignExpression struct {
	Token token.Token
	Name  Expression
	Value Expression
}

func (*AssignExpression) End 

func (ae *AssignExpression) End() token.Position

func (*AssignExpression) Pos 

func (ae *AssignExpression) Pos() token.Position

func (*AssignExpression) String 

func (ae *AssignExpression) String() string

func (*AssignExpression) TokenLiteral 

func (ae *AssignExpression) TokenLiteral() string

type BlockStatement 

type BlockStatement struct {
	Token       token.Token
	Statements  []Statement
	RBraceToken token.Token //used in End() method
}

func (*BlockStatement) End 

func (bs *BlockStatement) End() token.Position

func (*BlockStatement) Pos 

func (bs *BlockStatement) Pos() token.Position

func (*BlockStatement) String 

func (bs *BlockStatement) String() string

func (*BlockStatement) TokenLiteral 

func (bs *BlockStatement) TokenLiteral() string

type BooleanLiteral 

type BooleanLiteral struct {
	Token token.Token
	Value bool
}

func (*BooleanLiteral) End 

func (b *BooleanLiteral) End() token.Position

func (*BooleanLiteral) Pos 

func (b *BooleanLiteral) Pos() token.Position

func (*BooleanLiteral) String 

func (b *BooleanLiteral) String() string

func (*BooleanLiteral) TokenLiteral 

func (b *BooleanLiteral) TokenLiteral() string

type CallExpression 

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

func (*CallExpression) End 

func (ce *CallExpression) End() token.Position

func (*CallExpression) Pos 

func (ce *CallExpression) Pos() token.Position

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
}

type ExpressionStatement 

type ExpressionStatement struct {
	Token      token.Token
	Expression Expression
}

func (*ExpressionStatement) End 

func (es *ExpressionStatement) End() token.Position

func (*ExpressionStatement) Pos 

func (es *ExpressionStatement) Pos() token.Position

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
	Name       string      // function's name
	Parameters []*Identifier
	Body       *BlockStatement
}

func (*FunctionLiteral) End 

func (fl *FunctionLiteral) End() token.Position

func (*FunctionLiteral) Pos 

func (fl *FunctionLiteral) Pos() token.Position

func (*FunctionLiteral) String 

func (fl *FunctionLiteral) String() string

func (*FunctionLiteral) TokenLiteral 

func (fl *FunctionLiteral) TokenLiteral() string

type HashLiteral 

type HashLiteral struct {
	Token       token.Token
	Pairs       map[Expression]Expression
	RBraceToken token.Token
}

func (*HashLiteral) End 

func (h *HashLiteral) End() token.Position

func (*HashLiteral) Pos 

func (h *HashLiteral) Pos() token.Position

func (*HashLiteral) String 

func (h *HashLiteral) String() string

func (*HashLiteral) TokenLiteral 

func (h *HashLiteral) TokenLiteral() string

type Identifier 

type Identifier struct {
	Token token.Token
	Value string
}

func (*Identifier) End 

func (i *Identifier) End() token.Position

func (*Identifier) Pos 

func (i *Identifier) Pos() token.Position

func (*Identifier) String 

func (i *Identifier) String() string

func (*Identifier) TokenLiteral 

func (i *Identifier) TokenLiteral() string

type IfConditionExpr 

type IfConditionExpr struct {
	Token token.Token
	Cond  Expression      //condition
	Body  *BlockStatement //body
}

if/else-if condition

func (*IfConditionExpr) End 

func (ic *IfConditionExpr) End() token.Position

func (*IfConditionExpr) Pos 

func (ic *IfConditionExpr) Pos() token.Position

func (*IfConditionExpr) String 

func (ic *IfConditionExpr) String() string

func (*IfConditionExpr) TokenLiteral 

func (ic *IfConditionExpr) TokenLiteral() string

type IfExpression 

type IfExpression struct {
	Token       token.Token
	Conditions  []*IfConditionExpr //if or else-if part
	Alternative *BlockStatement    //else part
}

func (*IfExpression) End 

func (ifex *IfExpression) End() token.Position

func (*IfExpression) Pos 

func (ifex *IfExpression) Pos() token.Position

func (*IfExpression) String 

func (ifex *IfExpression) String() string

func (*IfExpression) TokenLiteral 

func (ifex *IfExpression) TokenLiteral() string

type IndexExpression 

type IndexExpression struct {
	Token token.Token
	Left  Expression
	Index Expression
}

<Left-Expression>[<Index-Expression>]

func (*IndexExpression) End 

func (ie *IndexExpression) End() token.Position

func (*IndexExpression) Pos 

func (ie *IndexExpression) Pos() token.Position

func (*IndexExpression) String 

func (ie *IndexExpression) String() string

func (*IndexExpression) TokenLiteral 

func (ie *IndexExpression) TokenLiteral() string

type InfixExpression 

type InfixExpression struct {
	Token    token.Token
	Operator string
	Right    Expression
	Left     Expression
}

1 + 2 * 3

func (*InfixExpression) End 

func (ie *InfixExpression) End() token.Position

func (*InfixExpression) Pos 

func (ie *InfixExpression) Pos() token.Position

func (*InfixExpression) String 

func (ie *InfixExpression) String() string

func (*InfixExpression) TokenLiteral 

func (ie *InfixExpression) TokenLiteral() string

type LetStatement 

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

let <identifier> = <expression>

func (*LetStatement) End 

func (ls *LetStatement) End() token.Position

func (*LetStatement) Pos 

func (ls *LetStatement) Pos() token.Position

func (*LetStatement) String 

func (ls *LetStatement) String() string

func (*LetStatement) TokenLiteral 

func (ls *LetStatement) TokenLiteral() string

type MethodCallExpression 

type MethodCallExpression struct {
	Token  token.Token
	Object Expression
	Call   Expression
}

func (*MethodCallExpression) End 

func (mc *MethodCallExpression) End() token.Position

func (*MethodCallExpression) Pos 

func (mc *MethodCallExpression) Pos() token.Position

func (*MethodCallExpression) String 

func (mc *MethodCallExpression) String() string

func (*MethodCallExpression) TokenLiteral 

func (mc *MethodCallExpression) TokenLiteral() string

type NilLiteral 

type NilLiteral struct {
	Token token.Token
}

func (*NilLiteral) End 

func (n *NilLiteral) End() token.Position

func (*NilLiteral) Pos 

func (n *NilLiteral) Pos() token.Position

func (*NilLiteral) String 

func (n *NilLiteral) String() string

func (*NilLiteral) TokenLiteral 

func (n *NilLiteral) TokenLiteral() string

type Node 

type Node interface {
	Pos() token.Position // position of first character belonging to the node
	End() token.Position // position of first character immediately after the node

	TokenLiteral() string
	String() string
}

type NumberLiteral 

type NumberLiteral struct {
	Token token.Token
	Value float64
}

func (*NumberLiteral) End 

func (nl *NumberLiteral) End() token.Position

func (*NumberLiteral) Pos 

func (nl *NumberLiteral) Pos() token.Position

func (*NumberLiteral) String 

func (nl *NumberLiteral) String() string

func (*NumberLiteral) TokenLiteral 

func (nl *NumberLiteral) TokenLiteral() string

type PostfixExpression 

type PostfixExpression struct {
	Token    token.Token
	Left     Expression
	Operator string
}

func (*PostfixExpression) End 

func (pe *PostfixExpression) End() token.Position

func (*PostfixExpression) Pos 

func (pe *PostfixExpression) Pos() token.Position

func (*PostfixExpression) String 

func (pe *PostfixExpression) String() string

func (*PostfixExpression) TokenLiteral 

func (pe *PostfixExpression) TokenLiteral() string

type PrefixExpression 

type PrefixExpression struct {
	Token    token.Token
	Operator string
	Right    Expression
}

-2, -3

func (*PrefixExpression) End 

func (pe *PrefixExpression) End() token.Position

func (*PrefixExpression) Pos 

func (pe *PrefixExpression) Pos() token.Position

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) End 

func (p *Program) End() token.Position

func (*Program) Pos 

func (p *Program) Pos() token.Position

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) End 

func (rs *ReturnStatement) End() token.Position

func (*ReturnStatement) Pos 

func (rs *ReturnStatement) Pos() token.Position

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
}

type StringLiteral 

type StringLiteral struct {
	Token token.Token
	Value string
}

func (*StringLiteral) End 

func (s *StringLiteral) End() token.Position

func (*StringLiteral) Pos 

func (s *StringLiteral) Pos() token.Position

func (*StringLiteral) String 

func (s *StringLiteral) String() string

func (*StringLiteral) TokenLiteral 

func (s *StringLiteral) TokenLiteral() string

type TupleLiteral 

type TupleLiteral struct {
	Token   token.Token
	Members []Expression
}

func (*TupleLiteral) End 

func (t *TupleLiteral) End() token.Position

func (*TupleLiteral) Pos 

func (t *TupleLiteral) Pos() token.Position

func (*TupleLiteral) String 

func (t *TupleLiteral) String() string

func (*TupleLiteral) TokenLiteral 

func (t *TupleLiteral) TokenLiteral() string

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