Class: Loxxy::Ast::LoxForStmt

Inherits:

LoxCompoundExpr

• Object
• LoxNode
• LoxCompoundExpr
• Loxxy::Ast::LoxForStmt

Defined in:

lib/loxxy/ast/lox_for_stmt.rb

Instance Attribute Summary

• #body_stmt ⇒ LoxNode

  Body statement.

• #test_expr ⇒ LoxNode readonly

  Test expression.

• #update_expr ⇒ LoxNode readonly

  Update expression.

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, initialization, testExpr, updateExpr) ⇒ LoxForStmt constructor

  A new instance of LoxForStmt.

Methods inherited from LoxNode

#done!

Constructor Details

#initialize(aPosition, initialization, testExpr, updateExpr) ⇒ LoxForStmt

Returns a new instance of LoxForStmt.

Parameters:

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

  Position of the entry in the input stream.

• initialization (Loxxy::Ast::LoxNode)
• testExpr (Loxxy::Ast::LoxNode)
• updateExpr (Loxxy::Ast::LoxNode)

# File 'lib/loxxy/ast/lox_for_stmt.rb', line 21

def initialize(aPosition, initialization, testExpr, updateExpr)
  child = initialization ? [initialization] : []
  super(aPosition, child)
  @test_expr = testExpr
  @update_expr = updateExpr
end

Instance Attribute Details

#body_stmt ⇒ LoxNode

Returns body statement.

Returns:

• (LoxNode) —

  body statement

# File 'lib/loxxy/ast/lox_for_stmt.rb', line 15

def body_stmt
  @body_stmt
end

#test_expr ⇒ LoxNode (readonly)

Returns test expression.

Returns:

• (LoxNode) —

  test expression

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

def test_expr
  @test_expr
end

#update_expr ⇒ LoxNode (readonly)

Returns update expression.

Returns:

• (LoxNode) —

  update expression

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

def update_expr
  @update_expr
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_for_stmt.rb', line 30

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

#condition ⇒ LoxNode

Accessor to the condition expression

Returns:

• (LoxNode)

# File 'lib/loxxy/ast/lox_for_stmt.rb', line 36

def condition
  subnodes[0]
end