Examples with Decl org.antlr.v4.codegen.model.decl.Decl used on opensource projects

Example 21 with Decl

use of org.antlr.v4.codegen.model.decl.Decl in project antlr4 by antlr.

the class RuleFunction method getDeclForAltElement.

public List<Decl> getDeclForAltElement(GrammarAST t, String refLabelName, boolean needList, boolean optional) {
    List<Decl> decls = new ArrayList<Decl>();
    if (t.getType() == RULE_REF) {
        Rule rref = factory.getGrammar().getRule(t.getText());
        String ctxName = factory.getGenerator().getTarget().getRuleFunctionContextStructName(rref);
        if (needList) {
            if (factory.getGenerator().getTarget().supportsOverloadedMethods())
                decls.add(new ContextRuleListGetterDecl(factory, refLabelName, ctxName));
            decls.add(new ContextRuleListIndexedGetterDecl(factory, refLabelName, ctxName));
        } else {
            decls.add(new ContextRuleGetterDecl(factory, refLabelName, ctxName, optional));
        }
    } else {
        if (needList) {
            if (factory.getGenerator().getTarget().supportsOverloadedMethods())
                decls.add(new ContextTokenListGetterDecl(factory, refLabelName));
            decls.add(new ContextTokenListIndexedGetterDecl(factory, refLabelName));
        } else {
            decls.add(new ContextTokenGetterDecl(factory, refLabelName, optional));
        }
    }
    return decls;
}

Example 22 with Decl

use of org.antlr.v4.codegen.model.decl.Decl in project antlr4 by antlr.

the class RuleFunction method addContextDecl.

/**
 * Add decl to struct ctx for rule or alt if labeled
 */
public void addContextDecl(String altLabel, Decl d) {
    CodeBlockForOuterMostAlt alt = d.getOuterMostAltCodeBlock();
    // if we found code blk and might be alt label, try to add to that label ctx
    if (alt != null && altLabelCtxs != null) {
        // System.out.println(d.name+" lives in alt "+alt.alt.altNum);
        AltLabelStructDecl altCtx = altLabelCtxs.get(altLabel);
        if (altCtx != null) {
            // we have an alt ctx
            // System.out.println("ctx is "+ altCtx.name);
            altCtx.addDecl(d);
            return;
        }
    }
    // stick in overall rule's ctx
    ruleCtx.addDecl(d);
}

Example 23 with Decl

use of org.antlr.v4.codegen.model.decl.Decl in project antlr4 by antlr.

the class ParserFactory method wildcard.

@Override
public List<SrcOp> wildcard(GrammarAST ast, GrammarAST labelAST) {
    Wildcard wild = new Wildcard(this, ast);
    // TODO: dup with tokenRef
    if (labelAST != null) {
        String label = labelAST.getText();
        Decl d = getTokenLabelDecl(label);
        wild.labels.add(d);
        getCurrentRuleFunction().addContextDecl(ast.getAltLabel(), d);
        if (labelAST.parent.getType() == 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);
}

Example 24 with Decl

use of org.antlr.v4.codegen.model.decl.Decl in project antlr4 by antlr.

the class ParserFactory method getChoiceBlock.

@Override
public Choice getChoiceBlock(BlockAST blkAST, List<CodeBlockForAlt> alts, GrammarAST labelAST) {
    int decision = ((DecisionState) blkAST.atnState).decision;
    Choice c;
    if (!g.tool.force_atn && AnalysisPipeline.disjoint(g.decisionLOOK.get(decision))) {
        c = getLL1ChoiceBlock(blkAST, alts);
    } else {
        c = getComplexChoiceBlock(blkAST, alts);
    }
    if (labelAST != null) {
        // for x=(...), define x or x_list
        String label = labelAST.getText();
        Decl d = getTokenLabelDecl(label);
        c.label = d;
        getCurrentRuleFunction().addContextDecl(labelAST.getAltLabel(), d);
        if (labelAST.parent.getType() == ANTLRParser.PLUS_ASSIGN) {
            String listLabel = gen.getTarget().getListLabel(label);
            TokenListDecl l = new TokenListDecl(this, listLabel);
            getCurrentRuleFunction().addContextDecl(labelAST.getAltLabel(), l);
        }
    }
    return c;
}