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

Example 6 with ANTLRInputStream

use of org.antlr.runtime.ANTLRInputStream in project ceylon by eclipse.

the class Generate method visitor.

private static void visitor(File file) throws Exception {
    InputStream is = new FileInputStream(file);
    ANTLRInputStream input = new ANTLRInputStream(is);
    VisitorgenLexer lexer = new VisitorgenLexer(input);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    VisitorgenParser parser = new VisitorgenParser(tokens);
    File out = new File(GENERATED_PACKAGE_DIR + "Visitor.java");
    out.createNewFile();
    Util.out = new PrintStream(out);
    parser.nodeList();
}

Example 7 with ANTLRInputStream

use of org.antlr.runtime.ANTLRInputStream in project ceylon by eclipse.

the class Generate method validator.

private static void validator(File file) throws Exception {
    InputStream is = new FileInputStream(file);
    ANTLRInputStream input = new ANTLRInputStream(is);
    ValidatorgenLexer lexer = new ValidatorgenLexer(input);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    ValidatorgenParser parser = new ValidatorgenParser(tokens);
    File out = new File(GENERATED_PACKAGE_DIR + "Validator.java");
    out.createNewFile();
    Util.out = new PrintStream(out);
    parser.nodeList();
}

Example 8 with ANTLRInputStream

use of org.antlr.runtime.ANTLRInputStream in project smali by JesusFreke.

the class LexerTest method runTest.

public void runTest(String test, boolean discardHiddenTokens, int apiLevel) {
    String smaliFile = String.format("LexerTest%s%s.smali", File.separatorChar, test);
    String tokensFile = String.format("LexerTest%s%s.tokens", File.separatorChar, test);
    org.jf.smali.expectedTokensTestGrammarLexer expectedTokensLexer = null;
    try {
        expectedTokensLexer = new org.jf.smali.expectedTokensTestGrammarLexer(new ANTLRInputStream(LexerTest.class.getClassLoader().getResourceAsStream(tokensFile)));
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
    CommonTokenStream expectedTokensStream = new CommonTokenStream(expectedTokensLexer);
    org.jf.smali.expectedTokensTestGrammarParser expectedTokensParser = new org.jf.smali.expectedTokensTestGrammarParser(expectedTokensStream);
    try {
        expectedTokensParser.top();
    } catch (RecognitionException ex) {
        throw new RuntimeException(ex);
    }
    List<ExpectedToken> expectedTokens = expectedTokensParser.getExpectedTokens();
    InputStream smaliStream = LexerTest.class.getClassLoader().getResourceAsStream(smaliFile);
    if (smaliStream == null) {
        Assert.fail("Could not load " + smaliFile);
    }
    smaliFlexLexer lexer = new smaliFlexLexer(new InputStreamReader(smaliStream), apiLevel);
    lexer.setSourceFile(new File(test + ".smali"));
    lexer.setSuppressErrors(true);
    CommonTokenStream tokenStream = new CommonTokenStream(lexer);
    tokenStream.fill();
    List tokens = tokenStream.getTokens();
    int expectedTokenIndex = 0;
    CommonToken token;
    for (int i = 0; i < tokens.size() - 1; i++) {
        token = (CommonToken) tokens.get(i);
        if (discardHiddenTokens && token.getChannel() == smaliParser.HIDDEN) {
            continue;
        }
        if (expectedTokenIndex >= expectedTokens.size()) {
            Assert.fail("Too many tokens");
        }
        if (token.getType() == smaliParser.INVALID_TOKEN) {
            Assert.assertTrue("Encountered an INVALID_TOKEN not on the error channel", token.getChannel() == smaliParser.ERROR_CHANNEL);
        }
        ExpectedToken expectedToken = expectedTokens.get(expectedTokenIndex++);
        if (!tokenTypesByName.containsKey(expectedToken.tokenName)) {
            Assert.fail("Unknown token: " + expectedToken.tokenName);
        }
        int expectedTokenType = tokenTypesByName.get(expectedToken.tokenName);
        if (token.getType() != expectedTokenType) {
            Assert.fail(String.format("Invalid token at index %d. Expecting %s, got %s(%s)", expectedTokenIndex - 1, expectedToken.tokenName, getTokenName(token.getType()), token.getText()));
        }
        if (expectedToken.tokenText != null) {
            if (!expectedToken.tokenText.equals(token.getText())) {
                Assert.fail(String.format("Invalid token text at index %d. Expecting text \"%s\", got \"%s\"", expectedTokenIndex - 1, expectedToken.tokenText, token.getText()));
            }
        }
    }
    if (expectedTokenIndex < expectedTokens.size()) {
        Assert.fail(String.format("Not enough tokens. Expecting %d tokens, but got %d", expectedTokens.size(), expectedTokenIndex));
    }
}