Documentation ¶
Index ¶
- type ArrayLiteral
- type BlockStatement
- type Boolean
- type CallExpression
- type Expression
- type ExpressionStatement
- type FunctionLiteral
- type HashLiteral
- type Identifier
- type IfExpression
- type IndexExpression
- type InfixExpression
- type IntegerLiteral
- type LetStatement
- type Node
- type PrefixExpression
- type Program
- type ReturnStatement
- type Statement
- type StringLiteral
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ArrayLiteral ¶
type ArrayLiteral struct { Token token.Token // '[' 词法单元 Elements []Expression }
ArrayLiteral 数组字面量
func (*ArrayLiteral) String ¶
func (al *ArrayLiteral) String() string
func (*ArrayLiteral) TokenLiteral ¶
func (al *ArrayLiteral) TokenLiteral() string
type BlockStatement ¶
BlockStatement 块语句 包含多个 Statement
func (*BlockStatement) String ¶
func (bs *BlockStatement) String() string
func (*BlockStatement) TokenLiteral ¶
func (bs *BlockStatement) TokenLiteral() string
type Boolean ¶
func (*Boolean) TokenLiteral ¶
type CallExpression ¶
type CallExpression struct { Token token.Token Function Expression 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 }
type ExpressionStatement ¶
type ExpressionStatement struct { Token token.Token // 该表达式中第一个词法单元 Expression Expression }
ExpressionStatement 表达式语句
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func (*ExpressionStatement) String ¶
func (es *ExpressionStatement) String() string
func (*ExpressionStatement) TokenLiteral ¶
func (es *ExpressionStatement) TokenLiteral() string
type FunctionLiteral ¶
type FunctionLiteral struct { Token token.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 Pairs map[Expression]Expression }
HashLiteral 哈希表
func (*HashLiteral) String ¶
func (hl *HashLiteral) String() string
func (*HashLiteral) TokenLiteral ¶
func (hl *HashLiteral) TokenLiteral() string
type Identifier ¶
func (*Identifier) String ¶
func (i *Identifier) String() string
func (*Identifier) TokenLiteral ¶
func (i *Identifier) TokenLiteral() string
type IfExpression ¶
type IfExpression struct { Token token.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 Left Expression Index Expression }
IndexExpression 数组索引
func (*IndexExpression) String ¶
func (ie *IndexExpression) String() string
func (*IndexExpression) TokenLiteral ¶
func (ie *IndexExpression) TokenLiteral() string
type InfixExpression ¶
type InfixExpression struct { Token token.Token Left Expression Operator string Right Expression }
func (*InfixExpression) String ¶
func (ie *InfixExpression) String() string
func (*InfixExpression) TokenLiteral ¶
func (ie *InfixExpression) TokenLiteral() string
type IntegerLiteral ¶
IntegerLiteral 整数字面量作为表达式 需要实现 Expression 的 expressionNode接口
func (*IntegerLiteral) String ¶
func (il *IntegerLiteral) String() string
func (*IntegerLiteral) TokenLiteral ¶
func (il *IntegerLiteral) TokenLiteral() string
type LetStatement ¶
type LetStatement struct { Token token.Token // token.LET 词法单元 Name *Identifier Value Expression }
func (*LetStatement) String ¶
func (ls *LetStatement) String() string
func (*LetStatement) TokenLiteral ¶
func (ls *LetStatement) TokenLiteral() string
type PrefixExpression ¶
type PrefixExpression struct { Token token.Token Operator string Right Expression }
PrefixExpression 前缀表达式作为 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) TokenLiteral ¶
type ReturnStatement ¶
type ReturnStatement struct { Token token.Token ReturnValue Expression }
ReturnStatement return 语句
func (*ReturnStatement) String ¶
func (rs *ReturnStatement) String() string
func (*ReturnStatement) TokenLiteral ¶
func (rs *ReturnStatement) TokenLiteral() string
type StringLiteral ¶
StringLiteral 将 token.STRING 转换为字符串字面量的 AST 节点
func (*StringLiteral) String ¶
func (sl *StringLiteral) String() string
func (*StringLiteral) TokenLiteral ¶
func (sl *StringLiteral) TokenLiteral() string
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