v8/test/mjsunit/harmony/module-parsing.js

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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --harmony-modules
// Test basic module syntax, with and without automatic semicolon insertion.
module A {}
module A1 = A
module A2 = A;
module A3 = A2
module B {
export vx
export vy, lz, c, f
var vx
var vx, vy;
var vx = 0, vy
let lx, ly
let lz = 1
const c = 9
function f() {}
module C0 {}
export module C {
let x
export module D { export let x }
let y
}
let zz = ""
export var x0
export var x1, x2 = 6, x3
export let y0
export let y1 = 0, y2
export const z0 = 0
export const z1 = 2, z2 = 3
export function f0() {}
export module M1 {}
export module M2 = C.D
export module M3 at "http://where"
import i0 from I
import i1, i2, i3, M from I
//import i4, i5 from "http://where"
}
module I {
export let i0, i1, i2, i3;
export module M {}
}
module C1 = B.C;
module D1 = B.C.D
module D2 = C1.D
module D3 = D2
module E1 at "http://where"
module E2 at "http://where";
module E3 = E1
// Check that ASI does not interfere.
module X
{
let x
}
module Y
=
X
module Z
at
"file://local"
import
vx
,
vy
from
B
module Wrap {
export
x
,
y
var
x
,
y
export
var
v1 = 1
export
let
v2 = 2
export
const
v3 = 3
export
function
f
(
)
{
}
export
module V
{
}
}
export A, A1, A2, A3, B, I, C1, D1, D2, D3, E1, E2, E3, X, Y, Z, Wrap, x, y, UU
// Check that 'module' still works as an identifier.
var module
module = {}
module["a"] = 6
function module() {}
function f(module) { return module }
try {} catch (module) {}
module
v = 20
// Check that module declarations are rejected in eval or local scope.
module M { export let x; }
assertThrows("export x;", SyntaxError); // It's using eval, so should throw.
assertThrows("export let x;", SyntaxError);
assertThrows("import x from M;", SyntaxError);
assertThrows("module M {};", SyntaxError);
assertThrows("{ export x; }", SyntaxError);
assertThrows("{ export let x; }", SyntaxError);
assertThrows("{ import x from M; }", SyntaxError);
assertThrows("{ module M {}; }", SyntaxError);
assertThrows("function f() { export x; }", SyntaxError);
assertThrows("function f() { export let x; }", SyntaxError);
assertThrows("function f() { import x from M; }", SyntaxError);
assertThrows("function f() { module M {}; }", SyntaxError);
assertThrows("function f() { { export x; } }", SyntaxError);
assertThrows("function f() { { export let x; } }", SyntaxError);
assertThrows("function f() { { import x from M; } }", SyntaxError);
assertThrows("function f() { { module M {}; } }", SyntaxError);