// This is modified from Mozilla Reflect.parse test suite (the file is located // at js/src/tests/js1_8_5/extensions/reflect-parse.js in the source tree). // // Some notable changes: // * Removed unsupported features (destructuring, let, comprehensions…). // * Removed tests for E4X (ECMAScript for XML). // * Removed everything related to builder. // * Enclosed every 'Pattern' construct with a scope. // * Tweaked some expected tree to remove generator field. // * Removed the test for bug 632030 and bug 632024.

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /*

* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/

(function (exports) {

function testReflect(Reflect, Pattern) {

function program(elts) { return Pattern({ type: “Program”, body: elts }) } function exprStmt(expr) { return Pattern({ type: “ExpressionStatement”, expression: expr }) } function throwStmt(expr) { return Pattern({ type: “ThrowStatement”, argument: expr }) } function returnStmt(expr) { return Pattern({ type: “ReturnStatement”, argument: expr }) } function yieldExpr(expr) { return Pattern({ type: “YieldExpression”, argument: expr }) } function lit(val) { return Pattern({ type: “Literal”, value: val }) } var thisExpr = Pattern({ type: “ThisExpression” }); function funDecl(id, params, body) { return Pattern({ type: “FunctionDeclaration”,

id: id,
params: params,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }

function genFunDecl(id, params, body) { return Pattern({ type: “FunctionDeclaration”,

id: id,
params: params,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }

function declarator(id, init) { return Pattern({ type: “VariableDeclarator”, id: id, init: init }) } function varDecl(decls) { return Pattern({ type: “VariableDeclaration”, declarations: decls, kind: “var” }) } function letDecl(decls) { return Pattern({ type: “VariableDeclaration”, declarations: decls, kind: “let” }) } function constDecl(decls) { return Pattern({ type: “VariableDeclaration”, declarations: decls, kind: “const” }) } function ident(name) { return Pattern({ type: “Identifier”, name: name }) } function dotExpr(obj, id) { return Pattern({ type: “MemberExpression”, computed: false, object: obj, property: id }) } function memExpr(obj, id) { return Pattern({ type: “MemberExpression”, computed: true, object: obj, property: id }) } function forStmt(init, test, update, body) { return Pattern({ type: “ForStatement”, init: init, test: test, update: update, body: body }) } function forInStmt(lhs, rhs, body) { return Pattern({ type: “ForInStatement”, left: lhs, right: rhs, body: body, each: false }) } function forEachInStmt(lhs, rhs, body) { return Pattern({ type: “ForInStatement”, left: lhs, right: rhs, body: body, each: true }) } function breakStmt(lab) { return Pattern({ type: “BreakStatement”, label: lab }) } function continueStmt(lab) { return Pattern({ type: “ContinueStatement”, label: lab }) } function blockStmt(body) { return Pattern({ type: “BlockStatement”, body: body }) } var emptyStmt = Pattern({ type: “EmptyStatement” }); function ifStmt(test, cons, alt) { return Pattern({ type: “IfStatement”, test: test, alternate: alt, consequent: cons }) } function labStmt(lab, stmt) { return Pattern({ type: “LabeledStatement”, label: lab, body: stmt }) } function withStmt(obj, stmt) { return Pattern({ type: “WithStatement”, object: obj, body: stmt }) } function whileStmt(test, stmt) { return Pattern({ type: “WhileStatement”, test: test, body: stmt }) } function doStmt(stmt, test) { return Pattern({ type: “DoWhileStatement”, test: test, body: stmt }) } function switchStmt(disc, cases) { return Pattern({ type: “SwitchStatement”, discriminant: disc, cases: cases }) } function caseClause(test, stmts) { return Pattern({ type: “SwitchCase”, test: test, consequent: stmts }) } function defaultClause(stmts) { return Pattern({ type: “SwitchCase”, test: null, consequent: stmts }) } function catchClause(id, guard, body) { if (guard) { return Pattern({ type: “GuardedCatchClause”, param: id, guard: guard, body: body }) } else { return Pattern({ type: “CatchClause”, param: id, body: body }) } } function tryStmt(body, guarded, catches, fin) { return Pattern({ type: “TryStatement”, block: body, guardedHandlers: guarded, handlers: catches, finalizer: fin }) } function letStmt(head, body) { return Pattern({ type: “LetStatement”, head: head, body: body }) } function funExpr(id, args, body, gen) { return Pattern({ type: “FunctionExpression”,

id: id,
params: args,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }

function genFunExpr(id, args, body) { return Pattern({ type: “FunctionExpression”,

id: id,
params: args,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }

function unExpr(op, arg) { return Pattern({ type: “UnaryExpression”, operator: op, argument: arg, prefix: true }) } function binExpr(op, left, right) { return Pattern({ type: “BinaryExpression”, operator: op, left: left, right: right }) } function aExpr(op, left, right) { return Pattern({ type: “AssignmentExpression”, operator: op, left: left, right: right }) } function updExpr(op, arg, prefix) { return Pattern({ type: “UpdateExpression”, operator: op, argument: arg, prefix: prefix }) } function logExpr(op, left, right) { return Pattern({ type: “LogicalExpression”, operator: op, left: left, right: right }) }

function condExpr(test, cons, alt) { return Pattern({ type: “ConditionalExpression”, test: test, consequent: cons, alternate: alt }) } function seqExpr(exprs) { return Pattern({ type: “SequenceExpression”, expressions: exprs }) } function newExpr(callee, args) { return Pattern({ type: “NewExpression”, callee: callee, arguments: args }) } function callExpr(callee, args) { return Pattern({ type: “CallExpression”, callee: callee, arguments: args }) } function arrExpr(elts) { return Pattern({ type: “ArrayExpression”, elements: elts }) } function objExpr(elts) { return Pattern({ type: “ObjectExpression”, properties: elts }) } function objProp(key, value, kind) { return Pattern({ type: “Property”, key: key, value: value, kind: kind }) }

function arrPatt(elts) { return Pattern({ type: “ArrayPattern”, elements: elts }) } function objPatt(elts) { return Pattern({ type: “ObjectPattern”, properties: elts }) }

function localSrc(src) { return “(function(){ ” + src + “ })” } function localPatt(patt) { return program([exprStmt(funExpr(null, [], blockStmt()))]) } function blockSrc(src) { return “(function(){ { ” + src + “ } })” } function blockPatt(patt) { return program([exprStmt(funExpr(null, [], blockStmt([blockStmt()])))]) }

function assertBlockStmt(src, patt) {

blockPatt(patt).assert(Reflect.parse(blockSrc(src)));

}

function assertBlockExpr(src, patt) {

assertBlockStmt(src, exprStmt(patt));

}

function assertBlockDecl(src, patt, builder) {

blockPatt(patt).assert(Reflect.parse(blockSrc(src), {builder: builder}));

}

function assertLocalStmt(src, patt) {

localPatt(patt).assert(Reflect.parse(localSrc(src)));

}

function assertLocalExpr(src, patt) {

assertLocalStmt(src, exprStmt(patt));

}

function assertLocalDecl(src, patt) {

localPatt(patt).assert(Reflect.parse(localSrc(src)));

}

function assertGlobalStmt(src, patt, builder) {

program([patt]).assert(Reflect.parse(src, {builder: builder}));

}

function assertGlobalExpr(src, patt, builder) {

program([exprStmt(patt)]).assert(Reflect.parse(src, {builder: builder}));
//assertStmt(src, exprStmt(patt));

}

function assertGlobalDecl(src, patt) {

program([patt]).assert(Reflect.parse(src));

}

function assertProg(src, patt) {

program(patt).assert(Reflect.parse(src));

}

function assertStmt(src, patt) {

assertLocalStmt(src, patt);
assertGlobalStmt(src, patt);
assertBlockStmt(src, patt);

}

function assertExpr(src, patt) {

assertLocalExpr(src, patt);
assertGlobalExpr(src, patt);
assertBlockExpr(src, patt);

}

function assertDecl(src, patt) {

assertLocalDecl(src, patt);
assertGlobalDecl(src, patt);
assertBlockDecl(src, patt);

}

function assertError(src, errorType) {

try {
    Reflect.parse(src);
} catch (e) {
    return;
}
throw new Error("expected " + errorType.name + " for " + uneval(src));

}

// general tests

// NB: These are useful but for now jit-test doesn't do I/O reliably.

//program(_).assert(Reflect.parse(snarf('data/flapjax.txt'))); //program(_).assert(Reflect.parse(snarf('data/jquery-1.4.2.txt'))); //program(_).assert(Reflect.parse(snarf('data/prototype.js'))); //program(_).assert(Reflect.parse(snarf('data/dojo.js.uncompressed.js'))); //program(_).assert(Reflect.parse(snarf('data/mootools-1.2.4-core-nc.js')));

// declarations

assertDecl(“var x = 1, y = 2, z = 3”,

varDecl([declarator(ident("x"), lit(1)),
         declarator(ident("y"), lit(2)),
         declarator(ident("z"), lit(3))]));

assertDecl(“var x, y, z”,

varDecl([declarator(ident("x"), null),
         declarator(ident("y"), null),
         declarator(ident("z"), null)]));

assertDecl(“function foo() { }”,

funDecl(ident("foo"), [], blockStmt([])));

assertDecl(“function foo() { return 42 }”,

funDecl(ident("foo"), [], blockStmt([returnStmt(lit(42))])));

// Bug 591437: rebound args have their defs turned into uses assertDecl(“function f(a) { function a() { } }”,

funDecl(ident("f"), [ident("a")], blockStmt([funDecl(ident("a"), [], blockStmt([]))])));

assertDecl(“function f(a,b,c) { function b() { } }”,

funDecl(ident("f"), [ident("a"),ident("b"),ident("c")], blockStmt([funDecl(ident("b"), [], blockStmt([]))])));

// expressions

assertExpr(“true”, lit(true)); assertExpr(“false”, lit(false)); assertExpr(“42”, lit(42)); assertExpr(“(/asdf/)”, lit(/asdf/)); assertExpr(“this”, thisExpr); assertExpr(“foo”, ident(“foo”)); assertExpr(“foo.bar”, dotExpr(ident(“foo”), ident(“bar”))); assertExpr(“foo”, memExpr(ident(“foo”), ident(“bar”))); assertExpr(“(function(){})”, funExpr(null, [], blockStmt([]))); assertExpr(“(function f() {})”, funExpr(ident(“f”), [], blockStmt([]))); assertExpr(“(function f(x,y,z) {})”, funExpr(ident(“f”), [ident(“x”),ident(“y”),ident(“z”)], blockStmt([]))); assertExpr(“(++x)”, updExpr(“++”, ident(“x”), true)); assertExpr(“(x++)”, updExpr(“++”, ident(“x”), false)); assertExpr(“(+x)”, unExpr(“+”, ident(“x”))); assertExpr(“(-x)”, unExpr(“-”, ident(“x”))); assertExpr(“(!x)”, unExpr(“!”, ident(“x”))); assertExpr(“(~x)”, unExpr(“~”, ident(“x”))); assertExpr(“(delete x)”, unExpr(“delete”, ident(“x”))); assertExpr(“(typeof x)”, unExpr(“typeof”, ident(“x”))); assertExpr(“(void x)”, unExpr(“void”, ident(“x”))); assertExpr(“(x == y)”, binExpr(“==”, ident(“x”), ident(“y”))); assertExpr(“(x != y)”, binExpr(“!=”, ident(“x”), ident(“y”))); assertExpr(“(x === y)”, binExpr(“===”, ident(“x”), ident(“y”))); assertExpr(“(x !== y)”, binExpr(“!==”, ident(“x”), ident(“y”))); assertExpr(“(x < y)”, binExpr(“<”, ident(“x”), ident(“y”))); assertExpr(“(x <= y)”, binExpr(“<=”, ident(“x”), ident(“y”))); assertExpr(“(x > y)”, binExpr(“>”, ident(“x”), ident(“y”))); assertExpr(“(x >= y)”, binExpr(“>=”, ident(“x”), ident(“y”))); assertExpr(“(x << y)”, binExpr(“<<”, ident(“x”), ident(“y”))); assertExpr(“(x >> y)”, binExpr(“>>”, ident(“x”), ident(“y”))); assertExpr(“(x >>> y)”, binExpr(“>>>”, ident(“x”), ident(“y”))); assertExpr(“(x + y)”, binExpr(“+”, ident(“x”), ident(“y”))); assertExpr(“(w + x + y + z)”, binExpr(“+”, binExpr(“+”, binExpr(“+”, ident(“w”), ident(“x”)), ident(“y”)), ident(“z”))); assertExpr(“(x - y)”, binExpr(“-”, ident(“x”), ident(“y”))); assertExpr(“(w - x - y - z)”, binExpr(“-”, binExpr(“-”, binExpr(“-”, ident(“w”), ident(“x”)), ident(“y”)), ident(“z”))); assertExpr(“(x * y)”, binExpr(“*”, ident(“x”), ident(“y”))); assertExpr(“(x / y)”, binExpr(“/”, ident(“x”), ident(“y”))); assertExpr(“(x % y)”, binExpr(“%”, ident(“x”), ident(“y”))); assertExpr(“(x | y)”, binExpr(“|”, ident(“x”), ident(“y”))); assertExpr(“(x ^ y)”, binExpr(“^”, ident(“x”), ident(“y”))); assertExpr(“(x & y)”, binExpr(“&”, ident(“x”), ident(“y”))); assertExpr(“(x in y)”, binExpr(“in”, ident(“x”), ident(“y”))); assertExpr(“(x instanceof y)”, binExpr(“instanceof”, ident(“x”), ident(“y”))); assertExpr(“(x = y)”, aExpr(“=”, ident(“x”), ident(“y”))); assertExpr(“(x += y)”, aExpr(“+=”, ident(“x”), ident(“y”))); assertExpr(“(x -= y)”, aExpr(“-=”, ident(“x”), ident(“y”))); assertExpr(“(x *= y)”, aExpr(“*=”, ident(“x”), ident(“y”))); assertExpr(“(x /= y)”, aExpr(“/=”, ident(“x”), ident(“y”))); assertExpr(“(x %= y)”, aExpr(“%=”, ident(“x”), ident(“y”))); assertExpr(“(x <<= y)”, aExpr(“<<=”, ident(“x”), ident(“y”))); assertExpr(“(x >>= y)”, aExpr(“>>=”, ident(“x”), ident(“y”))); assertExpr(“(x >>>= y)”, aExpr(“>>>=”, ident(“x”), ident(“y”))); assertExpr(“(x |= y)”, aExpr(“|=”, ident(“x”), ident(“y”))); assertExpr(“(x ^= y)”, aExpr(“^=”, ident(“x”), ident(“y”))); assertExpr(“(x &= y)”, aExpr(“&=”, ident(“x”), ident(“y”))); assertExpr(“(x || y)”, logExpr(“||”, ident(“x”), ident(“y”))); assertExpr(“(x && y)”, logExpr(“&&”, ident(“x”), ident(“y”))); assertExpr(“(w || x || y || z)”, logExpr(“||”, logExpr(“||”, logExpr(“||”, ident(“w”), ident(“x”)), ident(“y”)), ident(“z”))) assertExpr(“(x ? y : z)”, condExpr(ident(“x”), ident(“y”), ident(“z”))); assertExpr(“(x,y)”, seqExpr()) assertExpr(“(x,y,z)”, seqExpr()) assertExpr(“(a,b,c,d,e,f,g)”, seqExpr()); assertExpr(“(new Object)”, newExpr(ident(“Object”), [])); assertExpr(“(new Object())”, newExpr(ident(“Object”), [])); assertExpr(“(new Object(42))”, newExpr(ident(“Object”), [lit(42)])); assertExpr(“(new Object(1,2,3))”, newExpr(ident(“Object”), [lit(1),lit(2),lit(3)])); assertExpr(“(String())”, callExpr(ident(“String”), [])); assertExpr(“(String(42))”, callExpr(ident(“String”), [lit(42)])); assertExpr(“(String(1,2,3))”, callExpr(ident(“String”), [lit(1),lit(2),lit(3)])); assertExpr(“[]”, arrExpr([])); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“”, arrExpr()); assertExpr(“({})”, objExpr([])); assertExpr(“({x:1})”, objExpr([objProp(ident(“x”), lit(1), “init”)])); assertExpr(“({x:1, y:2})”, objExpr([objProp(ident(“x”), lit(1), “init”),

objProp(ident("y"), lit(2), "init")]));

assertExpr(“({x:1, y:2, z:3})”, objExpr([objProp(ident(“x”), lit(1), “init”),

objProp(ident("y"), lit(2), "init"),
objProp(ident("z"), lit(3), "init") ]));

assertExpr(“({x:1, 'y':2, z:3})”, objExpr([objProp(ident(“x”), lit(1), “init”),

objProp(lit("y"), lit(2), "init"),
objProp(ident("z"), lit(3), "init") ]));

assertExpr(“({'x':1, 'y':2, z:3})”, objExpr([objProp(lit(“x”), lit(1), “init”),

objProp(lit("y"), lit(2), "init"),
objProp(ident("z"), lit(3), "init") ]));

assertExpr(“({'x':1, 'y':2, 3:3})”, objExpr([objProp(lit(“x”), lit(1), “init”),

objProp(lit("y"), lit(2), "init"),
objProp(lit(3), lit(3), "init") ]));

// Bug 571617: eliminate constant-folding assertExpr(“2 + 3”, binExpr(“+”, lit(2), lit(3)));

// Bug 632026: constant-folding assertExpr(“typeof(0?0:a)”, unExpr(“typeof”, condExpr(lit(0), lit(0), ident(“a”))));

// Bug 632056: constant-folding program([exprStmt(ident(“f”)),

ifStmt(lit(1),
       funDecl(ident("f"), [], blockStmt([])),
       null)]).assert(Reflect.parse("f; if (1) function f(){}"));

// statements

assertStmt(“throw 42”, throwStmt(lit(42))); assertStmt(“for (;;) break”, forStmt(null, null, null, breakStmt(null))); assertStmt(“for (x; y; z) break”, forStmt(ident(“x”), ident(“y”), ident(“z”), breakStmt(null))); assertStmt(“for (var x; y; z) break”, forStmt(varDecl([declarator(ident(“x”), null)]), ident(“y”), ident(“z”), breakStmt(null))); assertStmt(“for (var x = 42; y; z) break”, forStmt(varDecl([declarator(ident(“x”), lit(42))]), ident(“y”), ident(“z”), breakStmt(null))); assertStmt(“for (x; ; z) break”, forStmt(ident(“x”), null, ident(“z”), breakStmt(null))); assertStmt(“for (var x; ; z) break”, forStmt(varDecl([declarator(ident(“x”), null)]), null, ident(“z”), breakStmt(null))); assertStmt(“for (var x = 42; ; z) break”, forStmt(varDecl([declarator(ident(“x”), lit(42))]), null, ident(“z”), breakStmt(null))); assertStmt(“for (x; y; ) break”, forStmt(ident(“x”), ident(“y”), null, breakStmt(null))); assertStmt(“for (var x; y; ) break”, forStmt(varDecl([declarator(ident(“x”), null)]), ident(“y”), null, breakStmt(null))); assertStmt(“for (var x = 42; y; ) break”, forStmt(varDecl(), ident(“y”), null, breakStmt(null))); assertStmt(“for (var x in y) break”, forInStmt(varDecl(), ident(“y”), breakStmt(null))); assertStmt(“for (x in y) break”, forInStmt(ident(“x”), ident(“y”), breakStmt(null))); assertStmt(“{ }”, blockStmt([])); assertStmt(“{ throw 1; throw 2; throw 3; }”, blockStmt([ throwStmt(lit(1)), throwStmt(lit(2)), throwStmt(lit(3))])); assertStmt(“;”, emptyStmt); assertStmt(“if (foo) throw 42;”, ifStmt(ident(“foo”), throwStmt(lit(42)), null)); assertStmt(“if (foo) throw 42; else true;”, ifStmt(ident(“foo”), throwStmt(lit(42)), exprStmt(lit(true)))); assertStmt(“if (foo) { throw 1; throw 2; throw 3; }”,

ifStmt(ident("foo"),
       blockStmt([throwStmt(lit(1)), throwStmt(lit(2)), throwStmt(lit(3))]),
       null));

assertStmt(“if (foo) { throw 1; throw 2; throw 3; } else true;”,

ifStmt(ident("foo"),
       blockStmt([throwStmt(lit(1)), throwStmt(lit(2)), throwStmt(lit(3))]),
       exprStmt(lit(true))));

assertStmt(“foo: for(;;) break foo;”, labStmt(ident(“foo”), forStmt(null, null, null, breakStmt(ident(“foo”))))); assertStmt(“foo: for(;;) continue foo;”, labStmt(ident(“foo”), forStmt(null, null, null, continueStmt(ident(“foo”))))); assertStmt(“with (obj) { }”, withStmt(ident(“obj”), blockStmt([]))); assertStmt(“with (obj) { obj; }”, withStmt(ident(“obj”), blockStmt())); assertStmt(“while (foo) { }”, whileStmt(ident(“foo”), blockStmt([]))); assertStmt(“while (foo) { foo; }”, whileStmt(ident(“foo”), blockStmt())); assertStmt(“do { } while (foo);”, doStmt(blockStmt([]), ident(“foo”))); assertStmt(“do { foo; } while (foo)”, doStmt(blockStmt(), ident(“foo”))); assertStmt(“switch (foo) { case 1: 1; break; case 2: 2; break; default: 3; }”,

switchStmt(ident("foo"),
           [ caseClause(lit(1), [ exprStmt(lit(1)), breakStmt(null) ]),
             caseClause(lit(2), [ exprStmt(lit(2)), breakStmt(null) ]),
             defaultClause([ exprStmt(lit(3)) ]) ]));

assertStmt(“switch (foo) { case 1: 1; break; case 2: 2; break; default: 3; case 42: 42; }”,

switchStmt(ident("foo"),
           [ caseClause(lit(1), [ exprStmt(lit(1)), breakStmt(null) ]),
             caseClause(lit(2), [ exprStmt(lit(2)), breakStmt(null) ]),
             defaultClause([ exprStmt(lit(3)) ]),
             caseClause(lit(42), [ exprStmt(lit(42)) ]) ]));

assertStmt(“try { } catch (e) { }”,

tryStmt(blockStmt([]),
        [],
        [ catchClause(ident("e"), null, blockStmt([])) ],
        null));

assertStmt(“try { } catch (e) { } finally { }”,

tryStmt(blockStmt([]),
        [],
        [ catchClause(ident("e"), null, blockStmt([])) ],
        blockStmt([])));

assertStmt(“try { } finally { }”,

tryStmt(blockStmt([]),
        [],
        [],
        blockStmt([])));

// redeclarations (TOK_NAME nodes with lexdef)

assertStmt(“function f() { function g() { } function g() { } }”,

funDecl(ident("f"), [], blockStmt([funDecl(ident("g"), [], blockStmt([])),
                                   funDecl(ident("g"), [], blockStmt([]))])));

assertStmt(“function f() { function g() { } function g() { return 42 } }”,

funDecl(ident("f"), [], blockStmt([funDecl(ident("g"), [], blockStmt([])),
                                   funDecl(ident("g"), [], blockStmt([returnStmt(lit(42))]))])));

assertStmt(“function f() { var x = 42; var x = 43; }”,

funDecl(ident("f"), [], blockStmt([varDecl([declarator(ident("x"),lit(42))]),
                                   varDecl([declarator(ident("x"),lit(43))])])));

// getters and setters

assertExpr("({ get x() { return 42 } })",
           objExpr([ objProp(ident("x"),
                             funExpr(null, [], blockStmt([returnStmt(lit(42))])),
                             "get" ) ]));
assertExpr("({ set x(v) { return 42 } })",
           objExpr([ objProp(ident("x"),
                             funExpr(null, [ident("v")], blockStmt([returnStmt(lit(42))])),
                             "set" ) ]));

}

exports.testReflect = testReflect;

}(typeof exports === 'undefined' ? this : exports));