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Example 1 with LocalRef

use of org.antlr.v4.codegen.model.chunk.LocalRef in project antlr4 by antlr.

the class ActionTranslator method attr.

@Override
public void attr(String expr, Token x) {
    gen.g.tool.log("action-translator", "attr " + x);
    Attribute a = node.resolver.resolveToAttribute(x.getText(), node);
    if (a != null) {
        switch(a.dict.type) {
            case ARG:
                chunks.add(new ArgRef(nodeContext, x.getText()));
                break;
            case RET:
                chunks.add(new RetValueRef(rf.ruleCtx, x.getText()));
                break;
            case LOCAL:
                chunks.add(new LocalRef(nodeContext, x.getText()));
                break;
            case PREDEFINED_RULE:
                chunks.add(getRulePropertyRef(x));
                break;
        }
    }
    if (node.resolver.resolvesToToken(x.getText(), node)) {
        // $label
        chunks.add(new TokenRef(nodeContext, getTokenLabel(x.getText())));
        return;
    }
    if (node.resolver.resolvesToLabel(x.getText(), node)) {
        // $x for x=ID etc...
        chunks.add(new LabelRef(nodeContext, getTokenLabel(x.getText())));
        return;
    }
    if (node.resolver.resolvesToListLabel(x.getText(), node)) {
        // $ids for ids+=ID etc...
        chunks.add(new ListLabelRef(nodeContext, x.getText()));
        return;
    }
    Rule r = factory.getGrammar().getRule(x.getText());
    if (r != null) {
        // $r for r rule ref
        chunks.add(new LabelRef(nodeContext, getRuleLabel(x.getText())));
    }
}
Also used : ListLabelRef(org.antlr.v4.codegen.model.chunk.ListLabelRef) Attribute(org.antlr.v4.tool.Attribute) TokenRef(org.antlr.v4.codegen.model.chunk.TokenRef) QRetValueRef(org.antlr.v4.codegen.model.chunk.QRetValueRef) RetValueRef(org.antlr.v4.codegen.model.chunk.RetValueRef) Rule(org.antlr.v4.tool.Rule) ArgRef(org.antlr.v4.codegen.model.chunk.ArgRef) LabelRef(org.antlr.v4.codegen.model.chunk.LabelRef) ListLabelRef(org.antlr.v4.codegen.model.chunk.ListLabelRef) LocalRef(org.antlr.v4.codegen.model.chunk.LocalRef)

Aggregations

ArgRef (org.antlr.v4.codegen.model.chunk.ArgRef)1 LabelRef (org.antlr.v4.codegen.model.chunk.LabelRef)1 ListLabelRef (org.antlr.v4.codegen.model.chunk.ListLabelRef)1 LocalRef (org.antlr.v4.codegen.model.chunk.LocalRef)1 QRetValueRef (org.antlr.v4.codegen.model.chunk.QRetValueRef)1 RetValueRef (org.antlr.v4.codegen.model.chunk.RetValueRef)1 TokenRef (org.antlr.v4.codegen.model.chunk.TokenRef)1 Attribute (org.antlr.v4.tool.Attribute)1 Rule (org.antlr.v4.tool.Rule)1