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

Example 61 with ST

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

the class CodeGeneratingVisitor method visit.

//
// expressions
//
/** {@inheritDoc} */
@Override
public void visit(final Expression n) {
    final ST st = stg.getInstanceOf("Expression");
    n.getLhs().accept(this);
    st.add("lhs", code.removeLast());
    if (n.getRhsSize() > 0) {
        final List<String> operators = new ArrayList<String>();
        final List<String> operands = new ArrayList<String>();
        for (final Conjunction c : n.getRhs()) {
            operators.add("||");
            c.accept(this);
            operands.add(code.removeLast());
        }
        st.add("operators", operators);
        st.add("operands", operands);
    }
    code.add(st.render());
}

Example 62 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 DoStatement n) {
    final ST st = stg.getInstanceOf("DoWhile");
    n.getCondition().accept(this);
    st.add("condition", code.removeLast());
    n.getBody().accept(this);
    st.add("stmt", code.removeLast());
    code.add(st.render());
}

Example 63 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 Composite n) {
    final ST st = stg.getInstanceOf("Composite");
    if (n.getPairsSize() > 0) {
        String s = "\t{\n";
        for (final Pair p : n.getPairs()) {
            visit(p);
            s += "\t\t" + code.removeLast() + "\n";
        }
        s += "\t}";
        st.add("exprlist", s);
        st.add("type", n.type.toBoxedJavaType() + "()");
    } else if (n.getExprsSize() > 0) {
        // FIXME rdyer
        BoaType t = n.type;
        if (t instanceof BoaTuple) {
            final ST stup = stg.getInstanceOf("Tuple");
            stup.add("name", t.toJavaType());
            visit(n.getExprs());
            stup.add("exprlist", code.removeLast());
            code.add(stup.render());
            return;
        }
        visit(n.getExprs());
        if (t instanceof BoaArray) {
            if (((BoaArray) t).getType() instanceof BoaEnum) {
                st.add("exprlist", code.removeLast());
                st.add("type", "Object[] ");
                code.add(st.render());
                return;
            }
        }
        st.add("exprlist", code.removeLast());
        st.add("type", t.toJavaType());
    }
    code.add(st.render());
}

Example 64 with ST

use of edu.princeton.cs.algs4.ST in project bender by Nextdoor.

the class BenderConfig method swapEnvironmentVariables.

/**
 * Parses an input String and replaces instances of {@literal <XXX>}" with the value of the XXX OS
 * Environment Variable. This is used as a pre-parser for the Config files, allowing environment
 * variables to be swapped at run-time.
 *
 * @param raw A raw string (not necessarily valid configuration data)
 * @return A parsed string with OS variables swapped in
 * @throws ConfigurationException If any discovered {@literal <WRAPPED_VALUES>} are not found in
 *         System.getenv().
 */
public static String swapEnvironmentVariables(String raw) throws ConfigurationException {
    ErrorBuffer errors = new ErrorBuffer();
    ST template = new ST(raw);
    STGroup g = template.groupThatCreatedThisInstance;
    g.setListener(errors);
    Map<String, String> env = System.getenv();
    for (String envName : env.keySet()) {
        template.add(envName, env.get(envName));
    }
    String parsed = template.render();
    if (errors.errors.size() > 0) {
        throw new ConfigurationException(errors.toString());
    }
    return parsed;
}

Example 65 with ST

use of edu.princeton.cs.algs4.ST in project bookish by parrt.

the class Tex2SVG method tex2svg.

public Triple<String, Float, Float> tex2svg(String latex, LatexType type, int fontsize) {
    try {
        latex = latex.trim();
        String tmpdir = new File(outputDir).getAbsolutePath();
        if (!Files.exists(Paths.get(tmpdir))) {
            Files.createDirectories(Paths.get(tmpdir));
        }
        if (!Files.exists(Paths.get(tmpdir + "/images"))) {
            Files.createSymbolicLink(Paths.get(tmpdir + "/images"), Paths.get(outputDir + "/images"));
        }
        String texfilename = tmpdir + "/temp.tex";
        ST template = null;
        switch(type) {
            case EQN:
                template = templates.getInstanceOf("eqntex");
                break;
            case BLOCKEQN:
                template = templates.getInstanceOf("blockeqntex");
                break;
            case LATEX:
                template = templates.getInstanceOf("blocktex");
                break;
        }
        template.add("text", latex);
        template.add("fontsize", fontsize);
        Files.write(Paths.get(texfilename), template.render().getBytes());
        // System.out.println("wrote "+texfilename);
        String[] results = execInDir(tmpdir, "xelatex", "-shell-escape", "-interaction=nonstopmode", "temp.tex");
        // println(results.a)
        String metricsRegex = "// bookish metrics: ([0-9]*[.][0-9]+)pt, ([0-9]*[.][0-9]+)pt";
        Pattern metricsPattern = Pattern.compile("metricsRegex");
        String log = ParrtIO.load(tmpdir + "/temp.log");
        float height = 0, depth = 0;
        for (String line : results[0].split("\n")) {
            String prefix = "// bookish metrics: ";
            if (line.startsWith(prefix)) {
                int first = prefix.length();
                int comma = line.indexOf(',');
                String heightS = line.substring(first, comma - "pt".length());
                String depthS = line.substring(comma + 1, line.indexOf('p', comma));
                height = Float.parseFloat(heightS);
                depth = Float.parseFloat(depthS);
            }
            if (line.startsWith("!") || line.startsWith("l.")) {
                System.err.println(line);
                System.err.println(latex);
            }
        }
        if (results[1].length() > 0) {
            System.err.println(results[1]);
        }
        results = execInDir(tmpdir, "pdfcrop", "temp.pdf");
        if (results[1].length() > 0) {
            System.err.println(results[1]);
        }
        results = execInDir(tmpdir, "pdf2svg", "temp-crop.pdf", "temp.svg");
        if (results[1].length() > 0) {
            System.err.println(results[1]);
        }
        String svgfilename = tmpdir + "/temp.svg";
        return new Triple<>(new String(Files.readAllBytes(Paths.get(svgfilename))), height, depth);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}