Examples with ST edu.princeton.cs.algs4.ST used on opensource projects

Example 41 with ST

use of edu.princeton.cs.algs4.ST in project uPortal by Jasig.

the class EmailPasswordResetNotificationImpl method formatBody.

/**
 * Get the body content of the email.
 *
 * @param resetUrl the password reset URL
 * @param account the user account that has had its password reset
 * @param locale the locale of the user who reset the password
 * @return The message body as a string.
 */
private String formatBody(URL resetUrl, ILocalAccountPerson account, Locale locale) {
    final STGroup group = new STGroupDir(templateDir, '$', '$');
    final ST template = group.getInstanceOf(templateName);
    String name = findDisplayNameFromLocalAccountPerson(account);
    template.add("displayName", name);
    template.add("url", resetUrl.toString());
    return template.render();
}

Example 42 with ST

use of edu.princeton.cs.algs4.ST in project bndtools by bndtools.

the class STTests method test.

@Test
public void test() {
    STGroupDir group = new STGroupDir("testdata/stuff", '$', '$');
    ST st = group.getInstanceOf("foo");
    st.add("name", "Neil");
    System.out.println(st.render());
}

Example 43 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class BoaCompiler method main.

public static void main(final String[] args) throws IOException {
    CommandLine cl = processCommandLineOptions(args);
    if (cl == null)
        return;
    final ArrayList<File> inputFiles = BoaCompiler.inputFiles;
    // get the name of the generated class
    final String className = getGeneratedClass(cl);
    // get the filename of the jar we will be writing
    final String jarName;
    if (cl.hasOption('o'))
        jarName = cl.getOptionValue('o');
    else
        jarName = className + ".jar";
    // make the output directory
    File outputRoot = null;
    if (cl.hasOption("cd")) {
        outputRoot = new File(cl.getOptionValue("cd"));
    } else {
        outputRoot = new File(new File(System.getProperty("java.io.tmpdir")), UUID.randomUUID().toString());
    }
    final File outputSrcDir = new File(outputRoot, "boa");
    if (!outputSrcDir.mkdirs())
        throw new IOException("unable to mkdir " + outputSrcDir);
    // find custom libs to load
    final List<URL> libs = new ArrayList<URL>();
    if (cl.hasOption('l'))
        for (final String lib : cl.getOptionValues('l')) libs.add(new File(lib).toURI().toURL());
    final File outputFile = new File(outputSrcDir, className + ".java");
    final BufferedOutputStream o = new BufferedOutputStream(new FileOutputStream(outputFile));
    try {
        final List<String> jobnames = new ArrayList<String>();
        final List<String> jobs = new ArrayList<String>();
        final List<Integer> seeds = new ArrayList<Integer>();
        boolean isSimple = true;
        final List<Program> visitorPrograms = new ArrayList<Program>();
        SymbolTable.initialize(libs);
        final int maxVisitors;
        if (cl.hasOption('v'))
            maxVisitors = Integer.parseInt(cl.getOptionValue('v'));
        else
            maxVisitors = Integer.MAX_VALUE;
        for (int i = 0; i < inputFiles.size(); i++) {
            final File f = inputFiles.get(i);
            try {
                final BoaLexer lexer = new BoaLexer(new ANTLRFileStream(f.getAbsolutePath()));
                // use the whole input string to seed the RNG
                seeds.add(lexer._input.getText(new Interval(0, lexer._input.size())).hashCode());
                lexer.removeErrorListeners();
                lexer.addErrorListener(new LexerErrorListener());
                final CommonTokenStream tokens = new CommonTokenStream(lexer);
                final BoaParser parser = new BoaParser(tokens);
                parser.removeErrorListeners();
                parser.addErrorListener(new BaseErrorListener() {

                    @Override
                    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) throws ParseCancellationException {
                        throw new ParseCancellationException(e);
                    }
                });
                final BoaErrorListener parserErrorListener = new ParserErrorListener();
                final Start p = parse(tokens, parser, parserErrorListener);
                if (cl.hasOption("ast"))
                    new ASTPrintingVisitor().start(p);
                final String jobName = "" + i;
                try {
                    if (!parserErrorListener.hasError) {
                        new TypeCheckingVisitor().start(p, new SymbolTable());
                        final TaskClassifyingVisitor simpleVisitor = new TaskClassifyingVisitor();
                        simpleVisitor.start(p);
                        LOG.info(f.getName() + ": task complexity: " + (!simpleVisitor.isComplex() ? "simple" : "complex"));
                        isSimple &= !simpleVisitor.isComplex();
                        new InheritedAttributeTransformer().start(p);
                        new LocalAggregationTransformer().start(p);
                        // also let jobs have own methods if visitor merging is disabled
                        if (!simpleVisitor.isComplex() || maxVisitors < 2 || inputFiles.size() == 1) {
                            new VisitorOptimizingTransformer().start(p);
                            if (cl.hasOption("pp"))
                                new PrettyPrintVisitor().start(p);
                            if (cl.hasOption("ast2"))
                                new ASTPrintingVisitor().start(p);
                            final CodeGeneratingVisitor cg = new CodeGeneratingVisitor(jobName);
                            cg.start(p);
                            jobs.add(cg.getCode());
                            jobnames.add(jobName);
                        } else // if a job has visitors, fuse them all together into a single program
                        {
                            p.getProgram().jobName = jobName;
                            visitorPrograms.add(p.getProgram());
                        }
                    }
                } catch (final TypeCheckException e) {
                    parserErrorListener.error("typecheck", lexer, null, e.n.beginLine, e.n.beginColumn, e.n2.endColumn - e.n.beginColumn + 1, e.getMessage(), e);
                }
            } catch (final Exception e) {
                System.err.print(f.getName() + ": compilation failed: ");
                e.printStackTrace();
            }
        }
        if (!visitorPrograms.isEmpty())
            try {
                for (final Program p : new VisitorMergingTransformer().mergePrograms(visitorPrograms, maxVisitors)) {
                    new VisitorOptimizingTransformer().start(p);
                    if (cl.hasOption("pp"))
                        new PrettyPrintVisitor().start(p);
                    if (cl.hasOption("ast2"))
                        new ASTPrintingVisitor().start(p);
                    final CodeGeneratingVisitor cg = new CodeGeneratingVisitor(p.jobName);
                    cg.start(p);
                    jobs.add(cg.getCode());
                    jobnames.add(p.jobName);
                }
            } catch (final Exception e) {
                System.err.println("error fusing visitors - falling back: " + e);
                e.printStackTrace();
                for (final Program p : visitorPrograms) {
                    new VisitorOptimizingTransformer().start(p);
                    if (cl.hasOption("pp"))
                        new PrettyPrintVisitor().start(p);
                    if (cl.hasOption("ast2"))
                        new ASTPrintingVisitor().start(p);
                    final CodeGeneratingVisitor cg = new CodeGeneratingVisitor(p.jobName);
                    cg.start(p);
                    jobs.add(cg.getCode());
                    jobnames.add(p.jobName);
                }
            }
        if (jobs.size() == 0)
            throw new RuntimeException("no files compiled without error");
        final ST st = AbstractCodeGeneratingVisitor.stg.getInstanceOf("Program");
        st.add("name", className);
        st.add("numreducers", inputFiles.size());
        st.add("jobs", jobs);
        st.add("jobnames", jobnames);
        st.add("combineTables", CodeGeneratingVisitor.combineAggregatorStrings);
        st.add("reduceTables", CodeGeneratingVisitor.reduceAggregatorStrings);
        st.add("splitsize", isSimple ? 64 * 1024 * 1024 : 10 * 1024 * 1024);
        st.add("seeds", seeds);
        if (DefaultProperties.localDataPath != null) {
            st.add("isLocal", true);
        }
        o.write(st.render().getBytes());
    } finally {
        o.close();
    }
    compileGeneratedSrc(cl, jarName, outputRoot, outputFile);
}

Example 44 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

/** {@inheritDoc} */
@Override
public void visit(final EnumType n) {
    final ST st = stg.getInstanceOf("EnumType");
    if (!(n.type instanceof BoaEnum))
        throw new TypeCheckException(n, "type " + n.type + " is not a enum type");
    final BoaEnum enumType = ((BoaEnum) n.type);
    final BoaType fieldType = enumType.getType();
    final List<String> fields = new ArrayList<String>();
    final List<String> values = new ArrayList<String>();
    for (final EnumBodyDeclaration c : n.getMembers()) {
        Factor f = c.getExp().getLhs().getLhs().getLhs().getLhs().getLhs();
        if (f.getOperand() instanceof ILiteral) {
            code.add(((ILiteral) (f.getOperand())).getLiteral());
            fields.add(c.getIdentifier().getToken());
            values.add(code.removeLast());
        }
    }
    st.add("ename", enumType.toJavaType());
    st.add("fields", fields);
    st.add("values", values);
    st.add("fname", fieldType.toJavaType());
    code.add(st.render());
}

Example 45 with ST

use of edu.princeton.cs.algs4.ST in project compiler by boalang.

the class CodeGeneratingVisitor method visit.

/** {@inheritDoc} */
@Override
public void visit(final Call n) {
    final ST st = stg.getInstanceOf("Call");
    this.idFinder.start(n.env.getOperand());
    final String funcName = this.idFinder.getNames().toArray()[0].toString();
    final BoaFunction f = n.env.getFunction(funcName, check(n));
    n.env.setOperandType(n.type);
    if (f.hasMacro()) {
        final List<String> parts = new ArrayList<String>();
        for (final Expression e : n.getArgs()) {
            e.accept(this);
            parts.add(code.removeLast());
        }
        final String s = expand(f.getMacro(), n.getArgs(), parts.toArray(new String[] {}));
        // FIXME rdyer a hack, so that "def(pbuf.attr)" generates "pbuf.hasAttr()"
        if (funcName.equals("def") && n.getArgsSize() == 1) {
            final Matcher m = Pattern.compile("\\((\\w+).get(\\w+)\\(\\) != null\\)").matcher(s);
            if (m.matches() && !m.group(2).endsWith("List"))
                st.add("call", m.group(1) + ".has" + m.group(2) + "()");
            else // so instead, since they are always defined, replace with 'true'
            if (n.getArg(0).type instanceof BoaScalar && !(n.getArg(0).type instanceof BoaString) && !(n.getArg(0).type instanceof BoaTuple))
                st.add("call", "true");
            else
                st.add("call", s);
        } else {
            st.add("call", s);
        }
    } else {
        if (f.hasName()) {
            st.add("operand", f.getName());
        } else {
            n.env.getOperand().accept(this);
            st.add("operand", code.removeLast() + ".invoke");
        }
        if (n.getArgsSize() > 0) {
            visit(n.getArgs());
            st.add("parameters", code.removeLast());
        }
    }
    code.add(st.render());
}