ast

package
v0.0.7 Latest Latest
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 Go to latest Published: Dec 23, 2023 License: GPL-3.0 Imports: 3 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Array 

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

func (*Array) String 

func (array *Array) String() string

func (*Array) TokenLiteral 

func (array *Array) TokenLiteral() string

type AssignExpression 

type AssignExpression struct {
	Token token.Token // The token.ASSIGN token
	Ident *Identifier
	Value Expression
}

func (*AssignExpression) String 

func (assignExpression *AssignExpression) String() string

func (*AssignExpression) TokenLiteral 

func (assignExpression *AssignExpression) TokenLiteral() string

type BlockStatement 

type BlockStatement struct {
	Token      token.Token // token.LEFTBRAC and token.RIGHTBRAC
	Statements []Statement
}

func (*BlockStatement) String 

func (blockStatement *BlockStatement) String() string

func (*BlockStatement) TokenLiteral 

func (blockStatement *BlockStatement) TokenLiteral() string

type Boolean 

type Boolean struct {
	Token token.Token // token.TRUE or token.FALSE
	Value bool
}

func (*Boolean) String 

func (boolean *Boolean) String() string

func (*Boolean) TokenLiteral 

func (b *Boolean) TokenLiteral() string

type BreakStatement added in v0.0.3 

type BreakStatement struct {
	Token token.Token // token.BREAK
}

func (*BreakStatement) String added in v0.0.3 

func (breakStatement *BreakStatement) String() string

func (*BreakStatement) TokenLiteral added in v0.0.3 

func (breakStatement *BreakStatement) TokenLiteral() string

type CallFunction 

type CallFunction struct {
	Token     token.Token
	Function  Expression
	Arguments []Expression
}

func (*CallFunction) String 

func (callFunction *CallFunction) String() string

func (*CallFunction) TokenLiteral 

func (callFunction *CallFunction) TokenLiteral() string

type ConstStatement 

type ConstStatement struct {
	Token token.Token // token.CONST
	Name  *Identifier
	Value Expression
}

func (*ConstStatement) String 

func (constStatement *ConstStatement) String() string

func (*ConstStatement) TokenLiteral 

func (cs *ConstStatement) TokenLiteral() string

type DuringExpression added in v0.0.3 

type DuringExpression struct {
	Token     token.Token // token.DURING
	Condition Expression
	Body      *BlockStatement // during body
}

func (*DuringExpression) String added in v0.0.3 

func (duringExpression *DuringExpression) String() string

func (*DuringExpression) TokenLiteral added in v0.0.3 

func (duringExpression *DuringExpression) TokenLiteral() string

type Expression 

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

type ExpressionStatement 

type ExpressionStatement struct {
	// We need this because sometimes we have an expression act like a statement
	// e.g let x = 5;
	// x + 10; // this is an expression but it acts like a statement
	Token      token.Token // the first token of the expression
	Expression Expression
}

func (*ExpressionStatement) String 

func (expressionStatement *ExpressionStatement) String() string

func (*ExpressionStatement) TokenLiteral 

func (es *ExpressionStatement) TokenLiteral() string

type Float added in v0.0.5 

type Float struct {
	Token token.Token // token.Float
	Value float64
}

func (*Float) String added in v0.0.5 

func (float *Float) String() string

func (*Float) TokenLiteral added in v0.0.5 

func (float *Float) TokenLiteral() string

type ForStatement added in v0.0.4 

type ForStatement struct {
	Token      token.Token     // The token.FOR
	IdxIdent   *Identifier     // The index identifier of the loop
	VarIdent   *Identifier     // The variable identifier of the loop
	Expression Expression      // The expression to iterate over
	Body       *BlockStatement // The body of the loop
}

func (*ForStatement) String added in v0.0.4 

func (fs *ForStatement) String() string

func (*ForStatement) TokenLiteral added in v0.0.4 

func (fs *ForStatement) TokenLiteral() string

type Function 

type Function struct {
	Token      token.Token // the 'fun' token
	Parameters []*Identifier
	Body       *BlockStatement
}

func (*Function) String 

func (f *Function) String() string

func (*Function) TokenLiteral 

func (f *Function) TokenLiteral() string

type Hash 

type Hash struct {
	Token token.Token // The '{' token
	Pairs map[Expression]Expression
}

func (*Hash) String 

func (hash *Hash) String() string

func (*Hash) TokenLiteral 

func (hash *Hash) TokenLiteral() string

type Identifier 

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

func (*Identifier) String 

func (identifier *Identifier) String() string

func (*Identifier) TokenLiteral 

func (i *Identifier) TokenLiteral() string

type IfExpression 

type IfExpression struct {
	token.Token // token.IF
	Condition   Expression
	Consequence *BlockStatement // If block
	Alternative *BlockStatement // Else block
}

func (*IfExpression) String 

func (ifExpression *IfExpression) String() string

func (*IfExpression) TokenLiteral 

func (ifExpression *IfExpression) TokenLiteral() string

type IndexExpression 

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

func (*IndexExpression) String 

func (idx *IndexExpression) String() string

func (*IndexExpression) TokenLiteral 

func (idx *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 (infixExpression *InfixExpression) String() string

func (*InfixExpression) TokenLiteral 

func (infixExpression *InfixExpression) TokenLiteral() string

type Integer added in v0.0.5 

type Integer struct {
	Token token.Token // token.INT
	Value int64
}

func (*Integer) String added in v0.0.5 

func (integer *Integer) String() string

func (*Integer) TokenLiteral added in v0.0.5 

func (integer *Integer) TokenLiteral() string

type LetStatement 

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

func (*LetStatement) String 

func (letStatement *LetStatement) String() string

func (*LetStatement) TokenLiteral 

func (ls *LetStatement) TokenLiteral() string

type Node 

type Node interface {
	TokenLiteral() string
	String() string // This will allow us to print AST nodes for debugging and to compare them with other AST nodes.
}

type PrefixExpression 

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

func (*PrefixExpression) String 

func (prefixExpression *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

This will allow us to print AST nodes for debugging and to compare them with other AST nodes.

func (*Program) TokenLiteral 

func (p *Program) TokenLiteral() string

type ReturnStatement 

type ReturnStatement struct {
	Token       token.Token // token.RETURN
	ReturnValue Expression
}

func (*ReturnStatement) String 

func (returnStatement *ReturnStatement) String() string

func (*ReturnStatement) TokenLiteral 

func (rs *ReturnStatement) TokenLiteral() string

type SkipStatement added in v0.0.3 

type SkipStatement struct {
	Token token.Token // the 'skip' token
}

func (*SkipStatement) String added in v0.0.3 

func (ls *SkipStatement) String() string

func (*SkipStatement) TokenLiteral added in v0.0.3 

func (ls *SkipStatement) TokenLiteral() string

type Statement 

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

type StringLiteral 

type StringLiteral struct {
	Token token.Token // token.STRING
	Value string
}

func (*StringLiteral) String 

func (stringLiteral *StringLiteral) String() string

func (*StringLiteral) TokenLiteral 

func (stringLiteral *StringLiteral) TokenLiteral() string

type VariableStatement 

type VariableStatement struct {
	Token token.Token // token.LET or token.CONST
	Type  string      // "let" or "const"
	Name  *Identifier
	Value Expression
}

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