GoDeclarationsScanner.java 文件源码

@Override
@RuleDependencies({
    @RuleDependency(recognizer=GoParser.class, rule=GoParser.RULE_methodDecl, version=0),
    @RuleDependency(recognizer=GoParser.class, rule=GoParser.RULE_methodName, version=0),
    @RuleDependency(recognizer=GoParser.class, rule=GoParser.RULE_receiver, version=0),
    @RuleDependency(recognizer=GoParser.class, rule=GoParser.RULE_baseTypeName, version=0),
})
public void enterMethodDecl(MethodDeclContext ctx) {
    Interval sourceInterval = ParseTrees.getSourceInterval(ctx);
    String name = ctx.methodName() != null && ctx.methodName().IDENTIFIER() != null ? ctx.methodName().IDENTIFIER().getSymbol().getText() : "?";
    String signature = HtmlSignatureVisitor.COLORED.visit(ctx);

    GoNode.DeclarationDescription description = new GoNode.DeclarationDescription(name, DeclarationKind.METHOD);
    description.setOffset(snapshot, getCurrentParent().getFileObject(), sourceInterval.a);
    description.setHtmlHeader(signature);
    getCurrentParent().getChildren().add(description);

    ReceiverContext receiverContext = ctx.receiver();
    BaseTypeNameContext baseTypeNameContext = receiverContext != null ? receiverContext.baseTypeName() : null;
    if (baseTypeNameContext != null && baseTypeNameContext.IDENTIFIER() != null) {
        String receiverTypeName = baseTypeNameContext.IDENTIFIER().getText();
        _methodDescriptions.add(Tuple.create(receiverTypeName, getCurrentParent(), description));
    }

    descriptionStack.push(description);
}