Package com.aquima.interactions.expressions.tsl.evaluator

Class Semantics

java.lang.Object

com.aquima.interactions.expressions.tsl.evaluator.Semantics

public class Semantics
extends Object

The Semantics class is responsible for converting a TSL parse tree to a TSL node tree. During the conversion the expressions inside the TSL block will be parsed and validated.

Since:

5.0

Author:

O. Kerpershoek

Constructor Summary

Constructors

Constructor	Description
Semantics(IExprParser parser, IDefinitionSource source, MessageReporter messages, String textId)	Constructs a Semantics object with an expression parser and an object holding the various definitions for the current domain.

Method Summary

Modifier and Type	Method	Description
protected IExpr	parseExpression(IParseNode offsetNode, String expression)
ITslNode	transform(IParseNode node)	This method will transform the parse node provided to a TSL node that can be evaluated.
protected ITslNode	transformComment(CommentDefinition definition)
protected ITslNode	transformCondition(ConditionDefinition definition)
protected ITslNode	transformField(FieldDefinition definition)
protected ITslNode	transformForeach(ForeachDefinition definition)
protected ITslNode	transformList(DefinitionList definition)
protected ITslNode	transformText(TextDefinition definition)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Semantics

public Semantics(IExprParser parser,
 IDefinitionSource source,
 MessageReporter messages,
 String textId)

Constructs a Semantics object with an expression parser and an object holding the various definitions for the current domain.

Parameters:

parser - Expression parser that should be used to parse the conditional elements in the TSL.

source - Definitions for the objects of the current domain.

messages - Message object for reporting problems.

textId - ID for the text being parsed.

Method Details

transform

public ITslNode transform(IParseNode node)

This method will transform the parse node provided to a TSL node that can be evaluated.

Parameters:

node - The parse node holding the TSL definition.

Returns:

TSL node for the parse node provided.

Throws:

ParseException - This exception is thrown when an unsupported parse node is encountered.

transformComment

protected ITslNode transformComment(CommentDefinition definition)

transformText

protected ITslNode transformText(TextDefinition definition)

transformList

protected ITslNode transformList(DefinitionList definition)

transformField

protected ITslNode transformField(FieldDefinition definition)

transformCondition

protected ITslNode transformCondition(ConditionDefinition definition)

transformForeach

protected ITslNode transformForeach(ForeachDefinition definition)

parseExpression

protected IExpr parseExpression(IParseNode offsetNode,
 String expression)