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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const ASM_TYPE_FAIL_STRING = "asm.js type error:";
const ASM_DIRECTIVE_FAIL_STRING = "\"use asm\" is only meaningful in the Directive Prologue of a function body";
const USE_ASM = '"use asm";';
const HEAP_IMPORTS = "const i8=new glob.Int8Array(b);var u8=new glob.Uint8Array(b);"+
"const i16=new glob.Int16Array(b);var u16=new glob.Uint16Array(b);"+
"const i32=new glob.Int32Array(b);var u32=new glob.Uint32Array(b);"+
"const f32=new glob.Float32Array(b);var f64=new glob.Float64Array(b);";
const BUF_MIN = 64 * 1024;
const BUF_CHANGE_MIN = 16 * 1024 * 1024;
const BUF_64KB = new ArrayBuffer(BUF_MIN);
function asmCompile()
{
var f = Function.apply(null, arguments);
assertEq(!isAsmJSCompilationAvailable() || isAsmJSModule(f), true);
return f;
}
function asmCompileCached()
{
if (!isAsmJSCompilationAvailable())
return Function.apply(null, arguments);
if (!isCachingEnabled()) {
var f = Function.apply(null, arguments);
assertEq(isAsmJSModule(f), true);
return f;
}
var quotedArgs = [];
for (var i = 0; i < arguments.length; i++)
quotedArgs.push("'" + arguments[i] + "'");
var code = "setCachingEnabled(true); var f = new Function(" + quotedArgs.join(',') + ");assertEq(isAsmJSModule(f), true);";
nestedShell("--js-cache", "--no-js-cache-per-process", "--execute=" + code);
var f = Function.apply(null, arguments);
assertEq(isAsmJSModuleLoadedFromCache(f), true);
return f;
}
function assertAsmDirectiveFail(str)
{
if (!isAsmJSCompilationAvailable())
return;
// Turn on warnings-as-errors
var oldOpts = options("werror");
assertEq(oldOpts.indexOf("werror"), -1);
// Verify an error is thrown
var caught = false;
try {
eval(str);
} catch (e) {
if ((''+e).indexOf(ASM_DIRECTIVE_FAIL_STRING) == -1)
throw new Error("Didn't catch the expected directive failure error; instead caught: " + e + "\nStack: " + new Error().stack);
caught = true;
}
if (!caught)
throw new Error("Didn't catch the directive failure error");
// Turn warnings-as-errors back off
options("werror");
}
function assertAsmTypeFail()
{
if (!isAsmJSCompilationAvailable())
return;
// Verify no error is thrown with warnings off
Function.apply(null, arguments);
// Turn on throwing on validation errors
var oldOpts = options("throw_on_asmjs_validation_failure");
assertEq(oldOpts.indexOf("throw_on_asmjs_validation_failure"), -1);
// Verify an error is thrown
var caught = false;
try {
Function.apply(null, arguments);
} catch (e) {
if ((''+e).indexOf(ASM_TYPE_FAIL_STRING) == -1)
throw new Error("Didn't catch the expected type failure error; instead caught: " + e + "\nStack: " + new Error().stack);
caught = true;
}
if (!caught)
throw new Error("Didn't catch the type failure error");
// Turn warnings-as-errors back off
options("throw_on_asmjs_validation_failure");
}
function assertAsmLinkFail(f)
{
if (!isAsmJSCompilationAvailable())
return;
assertEq(isAsmJSModule(f), true);
// Verify no error is thrown with warnings off
var ret = f.apply(null, Array.slice(arguments, 1));
assertEq(isAsmJSFunction(ret), false);
if (typeof ret === 'object')
for (var i in ret)
assertEq(isAsmJSFunction(ret[i]), false);
// Turn on warnings-as-errors
var oldOpts = options("werror");
assertEq(oldOpts.indexOf("werror"), -1);
// Verify an error is thrown
var caught = false;
try {
f.apply(null, Array.slice(arguments, 1));
} catch (e) {
// Arbitrary code an run in the GetProperty, so don't assert any
// particular string
caught = true;
}
if (!caught)
throw new Error("Didn't catch the link failure error");
// Turn warnings-as-errors back off
options("werror");
}
// Linking should throw an exception even without warnings-as-errors
function assertAsmLinkAlwaysFail(f)
{
var caught = false;
try {
f.apply(null, Array.slice(arguments, 1));
} catch (e) {
caught = true;
}
if (!caught)
throw new Error("Didn't catch the link failure error");
// Turn on warnings-as-errors
var oldOpts = options("werror");
assertEq(oldOpts.indexOf("werror"), -1);
// Verify an error is thrown
var caught = false;
try {
f.apply(null, Array.slice(arguments, 1));
} catch (e) {
caught = true;
}
if (!caught)
throw new Error("Didn't catch the link failure error");
// Turn warnings-as-errors back off
options("werror");
}
function assertAsmLinkDeprecated(f)
{
if (!isAsmJSCompilationAvailable())
return;
// Verify no error is thrown with warnings off
f.apply(null, Array.slice(arguments, 1));
// Turn on warnings-as-errors
var oldOpts = options("werror");
assertEq(oldOpts.indexOf("werror"), -1);
// Verify an error is thrown
var caught = false;
try {
f.apply(null, Array.slice(arguments, 1));
} catch (e) {
// Arbitrary code an run in the GetProperty, so don't assert any
// particular string
caught = true;
}
if (!caught)
throw new Error("Didn't catch the link failure error");
// Turn warnings-as-errors back off
options("werror");
}
// Linking should throw a warning-as-error but otherwise run fine
function asmLink(f)
{
if (!isAsmJSCompilationAvailable())
return f.apply(null, Array.slice(arguments, 1));
// Turn on warnings-as-errors
var oldOpts = options("werror");
assertEq(oldOpts.indexOf("werror"), -1);
var ret = f.apply(null, Array.slice(arguments, 1));
// Turn warnings-as-errors back off
options("werror");
return ret;
}
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