Examples with CommonTokenStream org.antlr.runtime.CommonTokenStream used on opensource projects

Example 61 with CommonTokenStream

use of org.antlr.runtime.CommonTokenStream 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;
}

Example 62 with CommonTokenStream

use of org.antlr.runtime.CommonTokenStream in project drools by kiegroup.

the class JavaExprAnalyzer method parse.

private JavaParser parse(final String expr) {
    final CharStream charStream = new ANTLRStringStream(expr);
    final JavaLexer lexer = new JavaLexer(charStream);
    final TokenStream tokenStream = new CommonTokenStream(lexer);
    return new JavaParser(tokenStream);
}

Example 63 with CommonTokenStream

use of org.antlr.runtime.CommonTokenStream in project jwt by emweb.

the class CssParser method parseFile.

public StyleSheet parseFile(CharSequence stylesheetContents) {
    Css21LexerExt lex = null;
    Css21ParserExt parser = null;
    try {
        lex = new Css21LexerExt(new ANTLRFileStream(stylesheetContents.toString()));
        CommonTokenStream tokens = new CommonTokenStream(lex);
        parser = new Css21ParserExt(tokens);
        currentStylesheet = new StyleSheetImpl();
        parser.styleSheet();
        lastError_ = lex.lastError_ + parser.lastError_;
        return !lex.hasError_ && !parser.hasError_ ? currentStylesheet : null;
    } catch (RecognitionException e) {
        // e.printStackTrace();
        lastError_ = lex.lastError_ + parser.lastError_;
        return null;
    } catch (IOException e) {
        // e.printStackTrace();
        lastError_ = "file" + stylesheetContents + "not found.";
        return null;
    }
}

Example 64 with CommonTokenStream

use of org.antlr.runtime.CommonTokenStream in project jwt by emweb.

the class CssParser method parse.

public StyleSheet parse(CharSequence stylesheetContents) {
    Css21LexerExt lex = new Css21LexerExt(new ANTLRStringStream(stylesheetContents.toString()));
    CommonTokenStream tokens = new CommonTokenStream(lex);
    Css21ParserExt parser = new Css21ParserExt(tokens);
    currentStylesheet = new StyleSheetImpl();
    try {
        parser.styleSheet();
        lastError_ = lex.lastError_ + parser.lastError_;
        return !lex.hasError_ && !parser.hasError_ ? currentStylesheet : null;
    } catch (RecognitionException e) {
        e.printStackTrace();
        lastError_ = lex.lastError_ + parser.lastError_;
        return null;
    }
}

Example 65 with CommonTokenStream

use of org.antlr.runtime.CommonTokenStream in project drill by axbaretto.

the class TestEvaluationVisitor method getExpr.

private LogicalExpression getExpr(String expr) throws Exception {
    ExprLexer lexer = new ExprLexer(new ANTLRStringStream(expr));
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    ExprParser parser = new ExprParser(tokens);
    parse_return ret = parser.parse();
    return ret.e;
}