Class: Loxxy::Ast::LoxIfStmt

Inherits:

LoxCompoundExpr

• Object
• LoxNode
• LoxCompoundExpr
• Loxxy::Ast::LoxIfStmt

Defined in:

lib/loxxy/ast/lox_if_stmt.rb

Instance Attribute Summary

• #else_stmt ⇒ LoxNode, NilClass readonly

  Code of else branch.

• #then_stmt ⇒ LoxNode readonly

  Code of then branch.

Attributes inherited from LoxCompoundExpr

#subnodes

Attributes inherited from LoxNode

#position

Instance Method Summary

• #accept(visitor) ⇒ Object

  Part of the 'visitee' role in Visitor design pattern.

• #condition ⇒ LoxNode

  Accessor to the condition expression.

• #initialize(aPosition, condExpr, thenStmt, elseStmt) ⇒ LoxIfStmt constructor

  A new instance of LoxIfStmt.

Methods inherited from LoxNode

#done!

Constructor Details

#initialize(aPosition, condExpr, thenStmt, elseStmt) ⇒ LoxIfStmt

Returns a new instance of LoxIfStmt.

Parameters:

• aPosition (Rley::Lexical::Position) —

  Position of the entry in the input stream.

• condExpr (Loxxy::Ast::LoxNode)
• thenStmt (Loxxy::Ast::LoxNode)
• elseStmt (Loxxy::Ast::LoxNode)

# File 'lib/loxxy/ast/lox_if_stmt.rb', line 18

def initialize(aPosition, condExpr, thenStmt, elseStmt)
  super(aPosition, [condExpr])
  @then_stmt = thenStmt
  @else_stmt = elseStmt
end

Instance Attribute Details

#else_stmt ⇒ LoxNode, NilClass (readonly)

Returns code of else branch.

Returns:

• (LoxNode, NilClass) —

  code of else branch

# File 'lib/loxxy/ast/lox_if_stmt.rb', line 12

def else_stmt
  @else_stmt
end

#then_stmt ⇒ LoxNode (readonly)

Returns code of then branch.

Returns:

• (LoxNode) —

  code of then branch

# File 'lib/loxxy/ast/lox_if_stmt.rb', line 9

def then_stmt
  @then_stmt
end

Instance Method Details

#accept(visitor) ⇒ Object

Part of the 'visitee' role in Visitor design pattern.

Parameters:

• visitor (Ast::ASTVisitor) —

  the visitor

# File 'lib/loxxy/ast/lox_if_stmt.rb', line 26

def accept(visitor)
  visitor.visit_if_stmt(self)
end

#condition ⇒ LoxNode

Accessor to the condition expression

Returns:

• (LoxNode)

# File 'lib/loxxy/ast/lox_if_stmt.rb', line 32

def condition
  subnodes[0]
end