Beispiel #1
0
        public override IList <SrcOp> Wildcard(GrammarAST ast, GrammarAST labelAST)
        {
            Wildcard wild = new Wildcard(this, ast);

            // TODO: dup with tokenRef
            if (labelAST != null)
            {
                string label = labelAST.Text;
                Decl   d     = GetTokenLabelDecl(label);
                wild.labels.Add(d);
                GetCurrentRuleFunction().AddContextDecl(ast.GetAltLabel(), d);
                if (labelAST.Parent.Type == ANTLRParser.PLUS_ASSIGN)
                {
                    TokenListDecl l = GetTokenListLabelDecl(label);
                    GetCurrentRuleFunction().AddContextDecl(ast.GetAltLabel(), l);
                }
            }
            if (controller.NeedsImplicitLabel(ast, wild))
            {
                DefineImplicitLabel(ast, wild);
            }
            AddToLabelList listLabelOp = GetAddToListOpIfListLabelPresent(wild, labelAST);

            return(List(wild, listLabelOp));
        }
Beispiel #2
0
        public override Choice GetChoiceBlock(BlockAST blkAST, IList <CodeBlockForAlt> alts, GrammarAST labelAST)
        {
            int    decision = ((DecisionState)blkAST.atnState).decision;
            Choice c;

            if (!g.tool.force_atn && AnalysisPipeline.Disjoint(g.decisionLOOK[decision]))
            {
                c = GetLL1ChoiceBlock(blkAST, alts);
            }
            else
            {
                c = GetComplexChoiceBlock(blkAST, alts);
            }

            if (labelAST != null)
            { // for x=(...), define x or x_list
                string label = labelAST.Text;
                Decl   d     = GetTokenLabelDecl(label);
                c.label = d;
                GetCurrentRuleFunction().AddContextDecl(labelAST.GetAltLabel(), d);
                if (labelAST.Parent.Type == ANTLRParser.PLUS_ASSIGN)
                {
                    string        listLabel = GetTarget().GetListLabel(label);
                    TokenListDecl l         = new TokenListDecl(this, listLabel);
                    GetCurrentRuleFunction().AddContextDecl(labelAST.GetAltLabel(), l);
                }
            }

            return(c);
        }
Beispiel #3
0
        public override IList <SrcOp> TokenRef(GrammarAST ID, GrammarAST labelAST, GrammarAST args)
        {
            MatchToken matchOp = new MatchToken(this, (TerminalAST)ID);

            if (labelAST != null)
            {
                string       label = labelAST.Text;
                RuleFunction rf    = GetCurrentRuleFunction();
                if (labelAST.Parent.Type == ANTLRParser.PLUS_ASSIGN)
                {
                    // add Token _X and List<Token> X decls
                    DefineImplicitLabel(ID, matchOp); // adds _X
                    TokenListDecl l = GetTokenListLabelDecl(label);
                    rf.AddContextDecl(ID.GetAltLabel(), l);
                }
                else
                {
                    Decl d = GetTokenLabelDecl(label);
                    matchOp.labels.Add(d);
                    rf.AddContextDecl(ID.GetAltLabel(), d);
                }

                //			Decl d = getTokenLabelDecl(label);
                //			((MatchToken)matchOp).labels.add(d);
                //			getCurrentRuleFunction().addContextDecl(ID.getAltLabel(), d);
                //			if ( labelAST.parent.getType() == ANTLRParser.PLUS_ASSIGN ) {
                //				TokenListDecl l = getTokenListLabelDecl(label);
                //				getCurrentRuleFunction().addContextDecl(ID.getAltLabel(), l);
                //			}
            }
            if (controller.NeedsImplicitLabel(ID, matchOp))
            {
                DefineImplicitLabel(ID, matchOp);
            }
            AddToLabelList listLabelOp = GetAddToListOpIfListLabelPresent(matchOp, labelAST);

            return(List(matchOp, listLabelOp));
        }
Beispiel #4
0
        public override IList <SrcOp> Set(GrammarAST setAST, GrammarAST labelAST, bool invert)
        {
            MatchSet matchOp;

            if (invert)
            {
                matchOp = new MatchNotSet(this, setAST);
            }
            else
            {
                matchOp = new MatchSet(this, setAST);
            }
            if (labelAST != null)
            {
                string       label = labelAST.Text;
                RuleFunction rf    = GetCurrentRuleFunction();
                if (labelAST.Parent.Type == ANTLRParser.PLUS_ASSIGN)
                {
                    DefineImplicitLabel(setAST, matchOp);
                    TokenListDecl l = GetTokenListLabelDecl(label);
                    rf.AddContextDecl(setAST.GetAltLabel(), l);
                }
                else
                {
                    Decl d = GetTokenLabelDecl(label);
                    matchOp.labels.Add(d);
                    rf.AddContextDecl(setAST.GetAltLabel(), d);
                }
            }
            if (controller.NeedsImplicitLabel(setAST, matchOp))
            {
                DefineImplicitLabel(setAST, matchOp);
            }
            AddToLabelList listLabelOp = GetAddToListOpIfListLabelPresent(matchOp, labelAST);

            return(List(matchOp, listLabelOp));
        }