Package jetbrains.mps.generator.runtime

Interface TemplateReductionRule

All Superinterfaces:

TemplateRule, TemplateRuleForConcept

All Known Implementing Classes:

ReductionRuleBase, TemplateReductionPatternRuleInterpreted, TemplateReductionRuleInterpreted

public interface TemplateReductionRule
extends TemplateRuleForConcept

XXX why this rule doesn't extend TemplateRuleWithCondition? Evgeny Gryaznov, 10/27/10

Method Summary

Modifier and Type	Method	Description
Collection<SNode>	apply(TemplateContext context)	Try to apply rule in the given context

Methods inherited from interface jetbrains.mps.generator.runtime.TemplateRule

getRuleNode

Methods inherited from interface jetbrains.mps.generator.runtime.TemplateRuleForConcept

applyToInheritors, getApplicableConcept

Method Detail

apply

@Nullable
Collection<SNode> apply(@NotNull
                        TemplateContext context)
                 throws GenerationException

Try to apply rule in the given context

Parameters:

context - execution context

Returns:

null to indicate this rule could not do anything to active input node

Throws:

GenerationException - failure/cancellation/control flow. Both DismissTopMappingRuleException and AbandonRuleInputException exceptions are honoured.