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Example 1 with OrdinaryGenerator

use of com.github.anba.es6draft.runtime.types.builtins.OrdinaryGenerator in project es6draft by anba.

the class GeneratorFunctionConstructor method CreateDynamicGenerator.

private static OrdinaryGenerator CreateDynamicGenerator(ExecutionContext callerContext, ExecutionContext cx, Constructor newTarget, Object... args) {
    /* step 1 (not applicable) */
    /* step 2 (not applicable) */
    /* step 3 */
    Intrinsics fallbackProto = Intrinsics.Generator;
    /* steps 4-10 */
    String[] sourceText = functionSourceText(cx, args);
    String parameters = sourceText[0], bodyText = sourceText[1];
    /* steps 11, 13-20 */
    Source source = functionSource(SourceKind.Generator, cx.getRealm(), callerContext);
    RuntimeInfo.Function function;
    try {
        ScriptLoader scriptLoader = cx.getRealm().getScriptLoader();
        function = scriptLoader.generator(source, parameters, bodyText).getFunction();
    } catch (ParserException | CompilationException e) {
        throw e.toScriptException(cx);
    }
    /* step 12 */
    boolean strict = function.isStrict();
    /* steps 21-22 */
    ScriptObject proto = GetPrototypeFromConstructor(cx, newTarget, fallbackProto);
    /* step 23 */
    OrdinaryGenerator f = OrdinaryGenerator.FunctionAllocate(cx, proto, strict, FunctionKind.Normal);
    /* steps 24-25 */
    LexicalEnvironment<GlobalEnvironmentRecord> scope = f.getRealm().getGlobalEnv();
    /* step 26 */
    FunctionInitialize(f, FunctionKind.Normal, function, scope, newFunctionExecutable(source));
    /* step 27 */
    OrdinaryObject prototype = ObjectCreate(cx, Intrinsics.GeneratorPrototype);
    f.infallibleDefineOwnProperty("prototype", new Property(prototype, true, false, false));
    /* step 28 (not applicable) */
    /* step 29 */
    SetFunctionName(f, "anonymous");
    /* step 30 */
    return f;
}
Also used : ParserException(com.github.anba.es6draft.parser.ParserException) CompilationException(com.github.anba.es6draft.compiler.CompilationException) ScriptObject(com.github.anba.es6draft.runtime.types.ScriptObject) RuntimeInfo(com.github.anba.es6draft.runtime.internal.RuntimeInfo) GlobalEnvironmentRecord(com.github.anba.es6draft.runtime.GlobalEnvironmentRecord) FunctionConstructor.functionSource(com.github.anba.es6draft.runtime.objects.FunctionConstructor.functionSource) Source(com.github.anba.es6draft.runtime.internal.Source) OrdinaryGenerator(com.github.anba.es6draft.runtime.types.builtins.OrdinaryGenerator) Intrinsics(com.github.anba.es6draft.runtime.types.Intrinsics) OrdinaryObject(com.github.anba.es6draft.runtime.types.builtins.OrdinaryObject) Property(com.github.anba.es6draft.runtime.types.Property) ScriptLoader(com.github.anba.es6draft.runtime.internal.ScriptLoader)

Aggregations

CompilationException (com.github.anba.es6draft.compiler.CompilationException)1 ParserException (com.github.anba.es6draft.parser.ParserException)1 GlobalEnvironmentRecord (com.github.anba.es6draft.runtime.GlobalEnvironmentRecord)1 RuntimeInfo (com.github.anba.es6draft.runtime.internal.RuntimeInfo)1 ScriptLoader (com.github.anba.es6draft.runtime.internal.ScriptLoader)1 Source (com.github.anba.es6draft.runtime.internal.Source)1 FunctionConstructor.functionSource (com.github.anba.es6draft.runtime.objects.FunctionConstructor.functionSource)1 Intrinsics (com.github.anba.es6draft.runtime.types.Intrinsics)1 Property (com.github.anba.es6draft.runtime.types.Property)1 ScriptObject (com.github.anba.es6draft.runtime.types.ScriptObject)1 OrdinaryGenerator (com.github.anba.es6draft.runtime.types.builtins.OrdinaryGenerator)1 OrdinaryObject (com.github.anba.es6draft.runtime.types.builtins.OrdinaryObject)1