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Index ¶
- type ArrayLiteral
- type AssignExpression
- type BlockStatement
- type BooleanLiteral
- type CallExpression
- type ConditionalExpression
- type Expression
- type ExpressionStatement
- type FloatLiteral
- type FunctionExpression
- type HashLiteral
- type Identifier
- type IndexExpression
- type InfixExpression
- type IntegerLiteral
- type LetStatement
- type Node
- type PrefixExpression
- type Program
- type ReturnStatement
- type Statement
- type StringLiteral
- type WhileExpression
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ArrayLiteral ¶
type ArrayLiteral struct {
Expression
Token lexer.Token
Elements []Expression
}
ArrayLiteral represents an array literal
func (*ArrayLiteral) String ¶
func (al *ArrayLiteral) String() string
func (*ArrayLiteral) TokenLiteral ¶
func (al *ArrayLiteral) TokenLiteral() string
type AssignExpression ¶
type AssignExpression struct {
Expression
Token lexer.Token
Name *Identifier
Operator string
Value Expression
}
AssignExpression represents an assign expression
func (*AssignExpression) String ¶
func (ae *AssignExpression) String() string
func (*AssignExpression) TokenLiteral ¶
func (ae *AssignExpression) TokenLiteral() string
type BlockStatement ¶
BLOCK statement
func (*BlockStatement) String ¶
func (bs *BlockStatement) String() string
func (*BlockStatement) TokenLiteral ¶
func (bs *BlockStatement) TokenLiteral() string
type BooleanLiteral ¶
type BooleanLiteral struct {
Expression
Token lexer.Token
Value bool
}
BooleanLiteral represents a boolean literal
func (*BooleanLiteral) String ¶
func (b *BooleanLiteral) String() string
func (*BooleanLiteral) TokenLiteral ¶
func (b *BooleanLiteral) TokenLiteral() string
type CallExpression ¶
type CallExpression struct {
Expression
Token lexer.Token
Function Expression
Arguments []Expression
}
CallExpression represents a function call expression
func (*CallExpression) String ¶
func (ce *CallExpression) String() string
func (*CallExpression) TokenLiteral ¶
func (ce *CallExpression) TokenLiteral() string
type ConditionalExpression ¶
type ConditionalExpression struct {
Expression
Token lexer.Token
Condition Expression
ExecutionBlock *BlockStatement
NextConditional *ConditionalExpression
}
ConditionalExpression represents an if expression
func (*ConditionalExpression) String ¶
func (i *ConditionalExpression) String() string
func (*ConditionalExpression) TokenLiteral ¶
func (i *ConditionalExpression) TokenLiteral() string
type Expression ¶
type Expression interface {
Node
// contains filtered or unexported methods
}
Expression is the interface that all expression nodes in the AST implement
type ExpressionStatement ¶
type ExpressionStatement struct {
Statement
Token lexer.Token
Expression Expression
}
EXPRESSION statement
func (*ExpressionStatement) String ¶
func (es *ExpressionStatement) String() string
func (*ExpressionStatement) TokenLiteral ¶
func (es *ExpressionStatement) TokenLiteral() string
type FloatLiteral ¶ added in v0.2.0
type FloatLiteral struct {
Expression
Token lexer.Token
Value float64
}
FloatLiteral represents a float literal
func (*FloatLiteral) String ¶ added in v0.2.0
func (fl *FloatLiteral) String() string
func (*FloatLiteral) TokenLiteral ¶ added in v0.2.0
func (fl *FloatLiteral) TokenLiteral() string
type FunctionExpression ¶
type FunctionExpression struct {
Expression
Token lexer.Token
Parameters []*Identifier
Body *BlockStatement
}
FunctionExpression represents a function expression
func (*FunctionExpression) String ¶
func (fe *FunctionExpression) String() string
func (*FunctionExpression) TokenLiteral ¶
func (fe *FunctionExpression) TokenLiteral() string
type HashLiteral ¶
type HashLiteral struct {
Expression
Token lexer.Token
Pairs map[Expression]Expression
}
HashLiteral represents a hash literal
func (*HashLiteral) String ¶
func (hl *HashLiteral) String() string
func (*HashLiteral) TokenLiteral ¶
func (hl *HashLiteral) TokenLiteral() string
type Identifier ¶
type Identifier struct {
Expression
Token lexer.Token
Value string
}
Identifier is the AST node that represents an identifier
func (*Identifier) String ¶
func (i *Identifier) String() string
func (*Identifier) TokenLiteral ¶
func (i *Identifier) TokenLiteral() string
type IndexExpression ¶
type IndexExpression struct {
Expression
Token lexer.Token
Array Expression
Index Expression
}
IndexExpression represents an index expression
func (*IndexExpression) String ¶
func (ie *IndexExpression) String() string
func (*IndexExpression) TokenLiteral ¶
func (ie *IndexExpression) TokenLiteral() string
type InfixExpression ¶
type InfixExpression struct {
Expression
Token lexer.Token
Left Expression
Operator string
Right Expression
}
InfixExpression represents an infix expression
func (*InfixExpression) String ¶
func (ie *InfixExpression) String() string
func (*InfixExpression) TokenLiteral ¶
func (ie *InfixExpression) TokenLiteral() string
type IntegerLiteral ¶
type IntegerLiteral struct {
Expression
Token lexer.Token
Value int64
}
IntegerLiteral represents an integer literal
func (*IntegerLiteral) String ¶
func (il *IntegerLiteral) String() string
func (*IntegerLiteral) TokenLiteral ¶
func (il *IntegerLiteral) TokenLiteral() string
type LetStatement ¶
type LetStatement struct {
Statement
Token lexer.Token // the token.LET token
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 {
Expression
Token lexer.Token
Operator string
Right Expression
}
PrefixExpression represents a prefix expression
func (*PrefixExpression) String ¶
func (pe *PrefixExpression) String() string
func (*PrefixExpression) TokenLiteral ¶
func (pe *PrefixExpression) TokenLiteral() string
type Program ¶
Program is the root node of every AST that the parser produces
func (*Program) TokenLiteral ¶
TokenLiteral returns the token literal of the first statement in the program
type ReturnStatement ¶
type ReturnStatement struct {
Statement
Token lexer.Token // the 'return' token
ReturnValue Expression
}
RETURN statement
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
}
Statement is the interface that all statement nodes in the AST implement
type StringLiteral ¶
type StringLiteral struct {
Expression
Token lexer.Token
Value string
}
StringLiteral represents a string literal
func (*StringLiteral) String ¶
func (sl *StringLiteral) String() string
func (*StringLiteral) TokenLiteral ¶
func (sl *StringLiteral) TokenLiteral() string
type WhileExpression ¶
type WhileExpression struct {
Expression
Token lexer.Token
Condition Expression
Body *BlockStatement
}
WhileExpression represents a while expression
func (*WhileExpression) String ¶
func (we *WhileExpression) String() string
func (*WhileExpression) TokenLiteral ¶
func (we *WhileExpression) TokenLiteral() string
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