com.oracle.truffle.js.nodes.ScriptNode Maven / Gradle / Ivy

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 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
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 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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 * The above copyright notice and either this complete permission notice or at a
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package com.oracle.truffle.js.nodes;

import com.oracle.truffle.api.RootCallTarget;
import com.oracle.truffle.api.frame.MaterializedFrame;
import com.oracle.truffle.api.nodes.IndirectCallNode;
import com.oracle.truffle.api.nodes.RootNode;
import com.oracle.truffle.js.nodes.function.FunctionRootNode;
import com.oracle.truffle.js.runtime.JSArguments;
import com.oracle.truffle.js.runtime.JSFrameUtil;
import com.oracle.truffle.js.runtime.JSRealm;
import com.oracle.truffle.js.runtime.builtins.JSFunction;
import com.oracle.truffle.js.runtime.builtins.JSFunctionData;
import com.oracle.truffle.js.runtime.builtins.JSFunctionObject;

public final class ScriptNode {

    private final JSFunctionData functionData;
    private final RootCallTarget callTarget;

    private ScriptNode(JSFunctionData functionData, RootCallTarget callTarget) {
        this.functionData = functionData;
        this.callTarget = callTarget;
    }

    public static ScriptNode fromFunctionRoot(FunctionRootNode root) {
        return fromFunctionData(root.getFunctionData());
    }

    public static ScriptNode fromFunctionData(JSFunctionData functionData) {
        return new ScriptNode(functionData, (RootCallTarget) functionData.getCallTarget());
    }

    public Object run(JSRealm realm) {
        return run(argumentsToRunWithThisObject(realm, realm.getGlobalObject()));
    }

    public Object[] argumentsToRun(JSRealm realm) {
        return argumentsToRunWithThisObject(realm, realm.getGlobalObject());
    }

    public Object[] argumentsToRunWithThisObject(JSRealm realm, Object thisObj) {
        JSFunctionObject functionObj = JSFunction.create(realm, functionData);
        return JSArguments.createZeroArg(thisObj, functionObj);
    }

    public Object[] argumentsToRunWithArguments(JSRealm realm, Object[] args) {
        return argumentsToRunWithThisObjectWithArguments(realm, realm.getGlobalObject(), args);
    }

    public Object[] argumentsToRunWithThisObjectWithArguments(JSRealm realm, Object thisObj, Object[] args) {
        JSFunctionObject functionObj = JSFunction.create(realm, functionData);
        return JSArguments.create(thisObj, functionObj, args);
    }

    public Object runEval(IndirectCallNode callNode, JSRealm realm, Object thisObj, MaterializedFrame materializedFrame) {
        JSFunctionObject functionObj = JSFunction.create(realm, getFunctionData(), materializedFrame);
        return callNode.call(callTarget, JSArguments.createZeroArg(thisObj, functionObj));
    }

    public Object runEval(IndirectCallNode callNode, JSRealm realm) {
        return runEval(callNode, realm, realm.getGlobalObject(), JSFrameUtil.NULL_MATERIALIZED_FRAME);
    }

    public Object run(Object[] args) {
        return callTarget.call(args);
    }

    public RootNode getRootNode() {
        return callTarget.getRootNode();
    }

    public RootCallTarget getCallTarget() {
        return callTarget;
    }

    public JSFunctionData getFunctionData() {
        return functionData;
    }
}