public override void EnterRuleFactMatch(RuleFactMatchContext context)
{
var patternTypeName = context.type().GetText();
var patternType = _parserContext.GetType(patternTypeName);
var variableTypeName = context.local_variable_type().VAR() == null
? context.local_variable_type().type().GetText()
: patternTypeName;
var variableType = _parserContext.GetType(variableTypeName);
var id = context.identifier().GetText();
_parserContext.Scope.Declare(variableType, id);
var patternBuilder = _groupBuilder.Pattern(patternType, id);
if (context.expression_list() != null)
{
foreach (var expressionContext in context.expression_list().expression())
{
using (_parserContext.PushScope())
{
var expressionParser = new ExpressionParser(_parserContext, patternType);
var expression = (LambdaExpression)expressionParser.Visit(expressionContext);
patternBuilder.DslConditions(_groupBuilder.Declarations, expression);
}
}
}
}
public override Expression VisitBlock(BlockContext context)
{
using (_parserContext.PushScope())
{
return(Visit(context.statement_list()));
}
}
public override void EnterRule_definition(Rule_definitionContext context)
{
var builder = new RuleBuilder();
using (_parserContext.PushScope())
{
var expressionListener = new RuleParserListener(_parserContext, builder);
var walker = new ParseTreeWalker();
walker.Walk(expressionListener, context);
}
var rule = builder.Build();
_ruleSet.Add(Enumerable.Repeat(rule, 1));
}