Examples of org.jruby.parser.StaticScope

org.jruby.parser.StaticScope
StaticScope represents lexical scoping of variables and module/class constants. At a very high level every scopes enclosing scope contains variables in the next outer lexical layer. The enclosing scopes variables may or may not be reachable depending on the scoping rules for variables (governed by BlockStaticScope and LocalStaticScope). StaticScope also keeps track of current module/class that is in scope. previousCRefScope will point to the previous scope of the enclosing module/class (cref).

        return UnexecutableNil.U_NIL;
    }


    public IRScope buildRoot(RootNode rootNode) {
        String file = rootNode.getPosition().getFile();
        StaticScope staticScope = rootNode.getStaticScope();


        // Top-level script!
        IRScript script = new IRScript("__file__", file, rootNode.getStaticScope());
        IRClass  rootClass = script.getRootClass();
        IRMethod rootMethod = rootClass.getRootMethod();

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     * @param parent scope should be non-null for all closures and null for methods
     */
    @Interp
    public StaticScope allocateStaticScope(StaticScope parent) {
        Iterator<LocalVariable> variables = getLiveLocalVariables();
        StaticScope scope = constructStaticScope(parent);


        while (variables.hasNext()) {
            LocalVariable variable = variables.next();
            int destination = scope.addVariable(variable.getName());
            System.out.println("Allocating " + variable + " to " + destination);


                    // Ick: Same Variable objects are not used for all references to the same variable.  S
                    // o setting destination on one will not set them on all
            variable.setLocation(destination);

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    }


    @Override
    public Object retrieve(InterpreterContext interp) {
      // SSS FIXME: why would this be null? for core classes?
        StaticScope ssc =  scope.getStaticScope();
      return ssc == null ? null : ssc.getModule();
    }

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    }


    @Override
    public Object retrieve(InterpreterContext interp) {
      // SSS FIXME: why would this be null? for core classes?
        StaticScope ssc =  scope.getStaticScope();
      return ssc == null ? null : ssc.getModule();
    }

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    public Label interpret(InterpreterContext interp, IRubyObject self) {
        Object n = getSource();


        assert n instanceof MetaObject: "All sources should be a meta object";


        StaticScope staticScope = ((MetaObject) n).getScope().getStaticScope();


        RubyModule object = interp.getRuntime().getObject();
        getResult().store(interp, staticScope.getConstant(interp.getRuntime(), getName(), object));
        
        return null;
    }

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        return createCompiledBlockBody(context, scriptObject, firstSplit[0], Integer.parseInt(firstSplit[1]), secondSplit, Boolean.valueOf(firstSplit[3]), Integer.parseInt(firstSplit[4]), firstSplit[5], Integer.parseInt(firstSplit[6]), Boolean.valueOf(firstSplit[7]));
    }
    
    public static BlockBody createCompiledBlockBody(ThreadContext context, Object scriptObject, String closureMethod, int arity, 
            String[] staticScopeNames, boolean hasMultipleArgsHead, int argsNodeType, String file, int line, boolean light) {
        StaticScope staticScope = 
            new BlockStaticScope(context.getCurrentScope().getStaticScope(), staticScopeNames);
        staticScope.determineModule();
        
        if (light) {
            return CompiledBlockLight.newCompiledBlockLight(
                    Arity.createArity(arity), staticScope,
                    createBlockCallback(context.getRuntime(), scriptObject, closureMethod, file, line),

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        return createCompiledBlockBody19(context, scriptObject, firstSplit[0], Integer.parseInt(firstSplit[1]), secondSplit, Boolean.valueOf(firstSplit[3]), Integer.parseInt(firstSplit[4]), firstSplit[5], Integer.parseInt(firstSplit[6]), Boolean.valueOf(firstSplit[7]), firstSplit[8]);
    }


    public static BlockBody createCompiledBlockBody19(ThreadContext context, Object scriptObject, String closureMethod, int arity,
            String[] staticScopeNames, boolean hasMultipleArgsHead, int argsNodeType, String file, int line, boolean light, String parameterList) {
        StaticScope staticScope =
            new BlockStaticScope(context.getCurrentScope().getStaticScope(), staticScopeNames);
        staticScope.determineModule();


        if (light) {
            return CompiledBlockLight19.newCompiledBlockLight(
                    Arity.createArity(arity), staticScope,
                    createBlockCallback19(context.getRuntime(), scriptObject, closureMethod, file, line),

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                self,
                body);
    }
    
    public static IRubyObject runBeginBlock(ThreadContext context, IRubyObject self, String scopeString, CompiledBlockCallback callback) {
        StaticScope staticScope = decodeBlockScope(context, scopeString);
        staticScope.determineModule();
        
        context.preScopedBody(DynamicScope.newDynamicScope(staticScope, context.getCurrentScope()));
        
        Block block = CompiledBlock.newCompiledClosure(context, self, Arity.createArity(0), staticScope, callback, false, BlockBody.ZERO_ARGS);

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        RubyModule containingClass = context.getRubyClass();
        Visibility visibility = context.getCurrentVisibility();
        
        performNormalMethodChecks(containingClass, runtime, name);


        StaticScope scope = createScopeForClass(context, scopeString);
        
        MethodFactory factory = MethodFactory.createFactory(compiledClass.getClassLoader());
        DynamicMethod method = constructNormalMethod(
                factory, javaName,
                name, containingClass, new SimpleSourcePosition(filename, line), arity, scope, visibility, scriptObject,

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        Class compiledClass = scriptObject.getClass();
        Ruby runtime = context.getRuntime();


        RubyClass rubyClass = performSingletonMethodChecks(runtime, receiver, name);
        
        StaticScope scope = createScopeForClass(context, scopeString);
        
        MethodFactory factory = MethodFactory.createFactory(compiledClass.getClassLoader());
        DynamicMethod method = constructSingletonMethod(
                factory, javaName, rubyClass,
                new SimpleSourcePosition(filename, line), arity, scope,

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