Examples with Binding groovy.lang.Binding used on opensource projects

Example 86 with Binding

use of groovy.lang.Binding in project groovy by apache.

the class InvokerHelperTest method testInvokerHelperNotConfusedByScriptVariables.

// GROOVY-5802
@Test
public void testInvokerHelperNotConfusedByScriptVariables() {
    variables.put("_", Collections.emptyList());
    InvokerHelper.createScript(MyList5802.class, new Binding(variables));
}

Example 87 with Binding

use of groovy.lang.Binding in project groovy by apache.

the class ScriptLauncher method run.

public void run() {
    final long id = Thread.currentThread().getId();
    // run the script numIter times
    for (int i = 0; i < numIter; i++) {
        Builder builder = new Builder();
        Binding binding = new Binding();
        binding.setVariable("builder", builder);
        script = InvokerHelper.createScript(scriptClass, binding);
        script.run();
    }
    latch.countDown();
}

Example 88 with Binding

use of groovy.lang.Binding in project groovy by apache.

the class GroovyScriptEngineImpl method eval.

// package-privates
Object eval(Class<?> scriptClass, final ScriptContext ctx) throws ScriptException {
    /*
         * We use the following Binding instance so that global variable lookup
         * will be done in the current ScriptContext instance.
         */
    Binding binding = new Binding(ctx.getBindings(ScriptContext.ENGINE_SCOPE)) {

        @Override
        public Object getVariable(String name) {
            synchronized (ctx) {
                int scope = ctx.getAttributesScope(name);
                if (scope != -1) {
                    return ctx.getAttribute(name, scope);
                }
                // Redirect script output to context writer, if out var is not already provided
                if ("out".equals(name)) {
                    Writer writer = ctx.getWriter();
                    if (writer != null) {
                        return (writer instanceof PrintWriter) ? (PrintWriter) writer : new PrintWriter(writer, true);
                    }
                }
                // Provide access to engine context, if context var is not already provided
                if ("context".equals(name)) {
                    return ctx;
                }
            }
            throw new MissingPropertyException(name, getClass());
        }

        @Override
        public void setVariable(String name, Object value) {
            synchronized (ctx) {
                int scope = ctx.getAttributesScope(name);
                if (scope == -1) {
                    scope = ScriptContext.ENGINE_SCOPE;
                }
                ctx.setAttribute(name, value, scope);
            }
        }
    };
    try {
        // then simply return that class
        if (!Script.class.isAssignableFrom(scriptClass)) {
            return scriptClass;
        } else {
            // it's a script
            Script scriptObject = InvokerHelper.createScript(scriptClass, binding);
            // save all current closures into global closures map
            Method[] methods = scriptClass.getMethods();
            for (Method m : methods) {
                String name = m.getName();
                globalClosures.put(name, new MethodClosure(scriptObject, name));
            }
            MetaClass oldMetaClass = scriptObject.getMetaClass();
            /*
                * We override the MetaClass of this script object so that we can
                * forward calls to global closures (of previous or future "eval" calls)
                * This gives the illusion of working on the same "global" scope.
                */
            scriptObject.setMetaClass(new DelegatingMetaClass(oldMetaClass) {

                @Override
                public Object invokeMethod(Object object, String name, Object args) {
                    if (args == null) {
                        return invokeMethod(object, name, MetaClassHelper.EMPTY_ARRAY);
                    }
                    if (args instanceof Tuple) {
                        return invokeMethod(object, name, ((Tuple) args).toArray());
                    }
                    if (args instanceof Object[]) {
                        return invokeMethod(object, name, (Object[]) args);
                    } else {
                        return invokeMethod(object, name, new Object[] { args });
                    }
                }

                @Override
                public Object invokeMethod(Object object, String name, Object[] args) {
                    try {
                        return super.invokeMethod(object, name, args);
                    } catch (MissingMethodException mme) {
                        return callGlobal(name, args, ctx);
                    }
                }

                @Override
                public Object invokeStaticMethod(Object object, String name, Object[] args) {
                    try {
                        return super.invokeStaticMethod(object, name, args);
                    } catch (MissingMethodException mme) {
                        return callGlobal(name, args, ctx);
                    }
                }
            });
            return scriptObject.run();
        }
    } catch (Exception e) {
        throw new ScriptException(e);
    }
}

Example 89 with Binding

use of groovy.lang.Binding in project groovy by apache.

the class Groovy method main.

public static void main(String[] args) {
    final GroovyShell shell = new GroovyShell(new Binding());
    final Groovy groovy = new Groovy();
    for (int i = 1; i < args.length; i++) {
        final Commandline.Argument argument = groovy.createArg();
        argument.setValue(args[i]);
    }
    final AntBuilder builder = new AntBuilder();
    groovy.setProject(builder.getProject());
    groovy.parseAndRunScript(shell, null, null, null, new File(args[0]), builder);
}

Example 90 with Binding

use of groovy.lang.Binding in project groovy by apache.

the class TestSupport method assertScript.

protected void assertScript(final String text, final String scriptName) throws Exception {
    log.info("About to execute script");
    log.info(text);
    GroovyCodeSource gcs = VMPluginFactory.getPlugin().doPrivileged((PrivilegedAction<GroovyCodeSource>) () -> new GroovyCodeSource(text, scriptName, "/groovy/testSupport"));
    Class<?> groovyClass = loader.parseClass(gcs);
    Script script = InvokerHelper.createScript(groovyClass, new Binding());
    script.run();
}