ab26fb6b21
Constructs the (generally cyclic) graph of module instance objects and populates their exports. Any exports other than nested modules are currently set to 'undefined' (but already present as properties). Details: - Added new type JSModule for instance objects: a JSObject carrying a context. - Statically allocate instance objects for all module literals (in parser 8-}). - Extend interfaces to record and unify concrete instance objects, and to support iteration over members. - Introduce new runtime function for pushing module contexts. - Generate code for allocating, initializing, and setting module contexts, and for populating instance objects from module literals. Currently, all non-module exports are still initialized with 'undefined'. - Module aliases are resolved statically, so no special code is required. - Make sure that code containing module constructs is never optimized (macrofy AST node construction flag setting while we're at it). - Add test case checking linkage. Baseline: http://codereview.chromium.org/9722043/ R=svenpanne@chromium.org,mstarzinger@chromium.org BUG= TEST= Review URL: https://chromiumcodereview.appspot.com/9844002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11336 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
122 lines
3.5 KiB
JavaScript
122 lines
3.5 KiB
JavaScript
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --harmony-modules --harmony-scoping
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// Test basic module linking.
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"use strict";
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let log = "";
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export let x = (log += "1");
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export module B = A.B
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export module A {
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export let x = (log += "2");
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let y = (log += "3");
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export function f() { log += "5" };
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export module B {
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module BB = B;
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export BB, x;
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let x = (log += "4");
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f();
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let y = (log += "6");
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}
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export let z = (log += "7");
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export module C {
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export let z = (log += "8");
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export module D = B
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export module C = A.C
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}
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module D {}
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}
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export module M1 {
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export module A2 = M2;
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export let x = (log += "9");
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}
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export module M2 {
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export module A1 = M1;
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export let x = (log += "0");
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}
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assertEquals("object", typeof A);
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assertTrue('x' in A);
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assertFalse('y' in A);
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assertTrue('f' in A);
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assertTrue('B' in A);
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assertTrue('z' in A);
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assertTrue('C' in A);
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assertFalse('D' in A);
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assertEquals("object", typeof B);
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assertTrue('BB' in B);
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assertTrue('x' in B);
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assertFalse('y' in B);
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assertEquals("object", typeof A.B);
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assertTrue('BB' in A.B);
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assertTrue('x' in A.B);
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assertFalse('y' in A.B);
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assertEquals("object", typeof A.B.BB);
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assertTrue('BB' in A.B.BB);
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assertTrue('x' in A.B.BB);
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assertFalse('y' in A.B.BB);
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assertEquals("object", typeof A.C);
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assertTrue('z' in A.C);
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assertTrue('D' in A.C);
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assertTrue('C' in A.C);
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assertEquals("object", typeof M1);
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assertEquals("object", typeof M2);
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assertTrue('A2' in M1);
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assertTrue('A1' in M2);
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assertEquals("object", typeof M1.A2);
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assertEquals("object", typeof M2.A1);
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assertTrue('A1' in M1.A2);
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assertTrue('A2' in M2.A1);
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assertEquals("object", typeof M1.A2.A1);
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assertEquals("object", typeof M2.A1.A2);
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assertSame(B, A.B);
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assertSame(B, B.BB);
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assertSame(B, A.C.D);
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assertSame(A.C, A.C.C);
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assertFalse(A.D === A.C.D);
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assertSame(M1, M2.A1);
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assertSame(M2, M1.A2);
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assertSame(M1, M1.A2.A1);
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assertSame(M2, M2.A1.A2);
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// TODO(rossberg): inner declarations are not executed yet.
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// assertEquals("1234567890", log);
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