Examples with CommonTreeNodeStream org.antlr.runtime.tree.CommonTreeNodeStream used on opensource projects

Example 11 with CommonTreeNodeStream

use of org.antlr.runtime.tree.CommonTreeNodeStream in project antlr4 by antlr.

the class GrammarTransformPipeline method reduceBlocksToSets.

public void reduceBlocksToSets(GrammarAST root) {
    CommonTreeNodeStream nodes = new CommonTreeNodeStream(new GrammarASTAdaptor(), root);
    GrammarASTAdaptor adaptor = new GrammarASTAdaptor();
    BlockSetTransformer transformer = new BlockSetTransformer(nodes, g);
    transformer.setTreeAdaptor(adaptor);
    transformer.downup(root);
}

Example 12 with CommonTreeNodeStream

use of org.antlr.runtime.tree.CommonTreeNodeStream in project antlr4 by antlr.

the class GrammarAST method toTokenString.

public String toTokenString() {
    CharStream input = this.token.getInputStream();
    GrammarASTAdaptor adaptor = new GrammarASTAdaptor(input);
    CommonTreeNodeStream nodes = new CommonTreeNodeStream(adaptor, this);
    StringBuilder buf = new StringBuilder();
    GrammarAST o = (GrammarAST) nodes.LT(1);
    int type = adaptor.getType(o);
    while (type != Token.EOF) {
        buf.append(" ");
        buf.append(o.getText());
        nodes.consume();
        o = (GrammarAST) nodes.LT(1);
        type = adaptor.getType(o);
    }
    return buf.toString();
}

Example 13 with CommonTreeNodeStream

use of org.antlr.runtime.tree.CommonTreeNodeStream in project antlr4 by antlr.

the class OutputModelController method buildNormalRuleFunction.

public void buildNormalRuleFunction(Rule r, RuleFunction function) {
    CodeGenerator gen = delegate.getGenerator();
    // TRIGGER factory functions for rule alts, elements
    GrammarASTAdaptor adaptor = new GrammarASTAdaptor(r.ast.token.getInputStream());
    GrammarAST blk = (GrammarAST) r.ast.getFirstChildWithType(ANTLRParser.BLOCK);
    CommonTreeNodeStream nodes = new CommonTreeNodeStream(adaptor, blk);
    walker = new SourceGenTriggers(nodes, this);
    try {
        // walk AST of rule alts/elements
        function.code = DefaultOutputModelFactory.list(walker.block(null, null));
        function.hasLookaheadBlock = walker.hasLookaheadBlock;
    } catch (org.antlr.runtime.RecognitionException e) {
        e.printStackTrace(System.err);
    }
    function.ctxType = gen.getTarget().getRuleFunctionContextStructName(function);
    function.postamble = rulePostamble(function, r);
}

Example 14 with CommonTreeNodeStream

use of org.antlr.runtime.tree.CommonTreeNodeStream in project drools by kiegroup.

the class DSLTokenizedMappingFile method buildFileMappingWalker.

private DSLMapWalker buildFileMappingWalker(final List<ParserError> errors, CharStream stream) throws RecognitionException {
    DSLMapLexer lexer = new DSLMapLexer(stream);
    CommonTokenStream tokens = new CommonTokenStream();
    tokens.setTokenSource(lexer);
    DSLMapParser parser = new DSLMapParser(tokens);
    DSLMapParser.mapping_file_return example = parser.mapping_file();
    CommonTree tree = (CommonTree) example.getTree();
    // logger.info(tree.toStringTree());
    CommonTreeNodeStream nodes = new CommonTreeNodeStream(tree);
    DSLMapWalker walker = new DSLMapWalker(nodes);
    errors.addAll(lexer.getErrors());
    errors.addAll(parser.getErrors());
    return walker;
}