Examples with StringBuilderWriter org.apache.groovy.io.StringBuilderWriter used on opensource projects

Example 1 with StringBuilderWriter

use of org.apache.groovy.io.StringBuilderWriter in project groovy by apache.

the class AsmClassGenerator method visitConstructorOrMethod.

@Override
protected void visitConstructorOrMethod(final MethodNode node, final boolean isConstructor) {
    Parameter[] parameters = node.getParameters();
    MethodVisitor mv = classVisitor.visitMethod(node.getModifiers() | (isVargs(parameters) ? ACC_VARARGS : 0), node.getName(), BytecodeHelper.getMethodDescriptor(node.getReturnType(), parameters), BytecodeHelper.getGenericsMethodSignature(node), buildExceptions(node.getExceptions()));
    controller.setMethodVisitor(mv);
    controller.resetLineNumber();
    visitAnnotations(node, mv);
    visitTypeParameters(node, mv);
    // ideally following statement would be in visitMethod but mv not visible there
    if (!(node instanceof ConstructorNode)) {
        visitType(node.getReturnType(), mv, newTypeReference(METHOD_RETURN), "", true);
    }
    // add parameter names to the MethodVisitor (JDK8+)
    if (Optional.ofNullable(controller.getClassNode().getCompileUnit()).orElseGet(context::getCompileUnit).getConfig().getParameters()) {
        for (Parameter parameter : parameters) {
            mv.visitParameter(parameter.getName(), parameter.getModifiers());
        }
    }
    for (int i = 0, n = parameters.length; i < n; i += 1) {
        visitParameterAnnotations(parameters[i], i, mv);
        ClassNode paramType = parameters[i].getType();
        if (paramType.isGenericsPlaceHolder()) {
            visitTypeAnnotations(paramType, mv, newFormalParameterReference(i), "", true);
        } else {
            visitType(parameters[i].getType(), mv, newFormalParameterReference(i), "", true);
        }
    }
    if (node.getExceptions() != null) {
        for (int i = 0, n = node.getExceptions().length; i < n; i += 1) {
            visitTypeAnnotations(node.getExceptions()[i], mv, newExceptionReference(i), "", true);
        }
    }
    if (controller.getClassNode().isAnnotationDefinition() && !node.isStaticConstructor()) {
        visitAnnotationDefault(node, mv);
    } else if (!node.isAbstract()) {
        mv.visitCode();
        Statement code = node.getCode();
        // fast path for getters, setters, etc.
        BytecodeInstruction instruction;
        if (code instanceof BytecodeSequence && (instruction = ((BytecodeSequence) code).getBytecodeInstruction()) != null) {
            instruction.visit(mv);
        } else {
            visitStdMethod(node, isConstructor, parameters, code);
        }
        try {
            mv.visitMaxs(0, 0);
        } catch (Exception e) {
            Writer writer = null;
            if (mv instanceof TraceMethodVisitor) {
                writer = new StringBuilderWriter();
                PrintWriter p = new PrintWriter(writer);
                ((TraceMethodVisitor) mv).p.print(p);
                p.flush();
            }
            StringBuilder message = new StringBuilder(64);
            message.append("ASM reporting processing error for ");
            message.append(controller.getClassNode().toString(false)).append('#').append(node.getName());
            message.append(" with signature ").append(node.getTypeDescriptor());
            message.append(" in ").append(sourceFile).append(':').append(node.getLineNumber());
            if (writer != null) {
                message.append("\nLast known generated bytecode in last generated method or constructor:\n");
                message.append(writer);
            }
            throw new GroovyRuntimeException(message.toString(), e);
        }
    }
    mv.visitEnd();
}

Example 2 with StringBuilderWriter

use of org.apache.groovy.io.StringBuilderWriter in project groovy by apache.

the class MultipleCompilationErrorsException method getMessage.

@Override
public String getMessage() {
    Writer data = new StringBuilderWriter();
    PrintWriter writer = new PrintWriter(data);
    Janitor janitor = new Janitor();
    writer.write(super.getMessage());
    writer.println(":");
    try {
        collector.write(writer, janitor);
    } finally {
        janitor.cleanup();
    }
    return data.toString();
}

Example 3 with StringBuilderWriter

use of org.apache.groovy.io.StringBuilderWriter in project groovy by apache.

the class JavaShell method doCompile.

private void doCompile(String className, String src, Iterable<String> options) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    try (BytesJavaFileManager bjfm = new BytesJavaFileManager(compiler.getStandardFileManager(null, locale, charset))) {
        StringBuilderWriter out = new StringBuilderWriter();
        JavaCompiler.CompilationTask task = compiler.getTask(out, bjfm, null, options, Collections.emptyList(), Collections.singletonList(new MemJavaFileObject(className, src)));
        task.call();
        if (bjfm.isEmpty()) {
            throw new JavaShellCompilationException(out.toString());
        }
        final Map<String, byte[]> classMap = bjfm.getClassMap();
        jscl.setClassMap(classMap);
    }
}

Example 4 with StringBuilderWriter

use of org.apache.groovy.io.StringBuilderWriter in project groovy by apache.

the class SignatureCodecVersion1 method encode.

@Override
public String encode(final ClassNode node) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(128);
    DataOutputStream dos = new DataOutputStream(baos);
    Writer wrt = new StringBuilderWriter();
    String encoded = null;
    try {
        doEncode(node, dos);
        EncodingGroovyMethods.encodeBase64(baos.toByteArray()).writeTo(wrt);
        encoded = wrt.toString();
    } catch (IOException e) {
        throw new GroovyRuntimeException("Unable to serialize type information", e);
    }
    return encoded;
}

Example 5 with StringBuilderWriter

use of org.apache.groovy.io.StringBuilderWriter in project groovy by apache.

the class CSTNode method toString.

// ---------------------------------------------------------------------------
// STRING CONVERSION
/**
 * Formats the node as a <code>String</code> and returns it.
 */
@Override
public String toString() {
    Writer string = new StringBuilderWriter();
    write(new PrintWriter(string));
    return string.toString();
}