Class ALinearCBooleanExpression

Unit

linearc

Declaration

type ALinearCBooleanExpression = class(ALinearCExpression)

Description

This class represents a boolean expression in LinearC, which is an expression that consists of a single keyword belonging to either RULE_TRUTH or RULE_FALSEHOOD. The expression evaluates the keyword and sets its own value accordingly.

Hierarchy

• TObject
• AnObject
• APrintingObject
• ANode
• AParser
• AParsedLanguageParser
• ALinearCExpression
• ALinearCBooleanExpression

Overview

Methods

	function init: boolean; override;
	function parse: int64; override;

Description

Methods

	function init: boolean; override;
Initializer

	function parse: int64; override;
Parse the expression. This method checks to see whether the current token belongs to either RULE_TRUTH or RULE_FALSEHOOD, and sets the value of the expression accordingly. On return from this routine, the current token in the parent expression will refer to the token immediately following the boolean expression.