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// Copyright (c) 2018, Compiler Explorer 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.
//
// 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 HOLDER 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.
const chai = require('chai');
const sinon = require('sinon');
const chaiAsPromised = require("chai-as-promised");
const BaseCompiler = require('../lib/base-compiler');
const fs = require('fs-extra');
const exec = require('../lib/exec');
const path = require('path');
const {makeCompilationEnvironment} = require('./utils.js');
chai.use(chaiAsPromised);
const should = chai.should();
const languages = {
'c++': {id: 'c++'}
};
describe('Basic compiler invariants', function () {
let ce, compiler;
const info = {
exe: null,
remote: true,
lang: languages['c++'].id,
ldPath: []
};
before(() => {
ce = makeCompilationEnvironment({ languages });
compiler = new BaseCompiler(info, ce);
});
it('should recognize when optOutput has been request', () => {
compiler.optOutputRequested(["please", "recognize", "-fsave-optimization-record"]).should.equal(true);
compiler.optOutputRequested(["please", "don't", "recognize"]).should.equal(false);
});
// Overkill test, but now we're safer!
it('should recognize cfg compilers', () => {
compiler.isCfgCompiler("clang version 5.0.0 (https://github.com/asutton/clang.git 449c8c3e91355a3b2b6761e11d9fb5d3c125b791) (https://github.com/llvm-mirror/llvm.git 40b1e969f9cb2a0c697e247435193fb006ef1311)").should.equal(true);
compiler.isCfgCompiler("clang version 4.0.0 (tags/RELEASE_400/final 299826)").should.equal(true);
compiler.isCfgCompiler("clang version 7.0.0 (trunk 325868)").should.equal(true);
compiler.isCfgCompiler("clang version 3.3 (tags/RELEASE_33/final)").should.equal(true);
compiler.isCfgCompiler("clang version 6.0.0 (tags/RELEASE_600/final 327031) (llvm/tags/RELEASE_600/final 327028)").should.equal(true);
compiler.isCfgCompiler("g++ (GCC-Explorer-Build) 4.9.4").should.equal(true);
compiler.isCfgCompiler("g++ (GCC-Explorer-Build) 8.0.1 20180223 (experimental)").should.equal(true);
compiler.isCfgCompiler("g++ (GCC-Explorer-Build) 8.0.1 20180223 (experimental)").should.equal(true);
compiler.isCfgCompiler("g++ (GCC) 4.1.2").should.equal(true);
compiler.isCfgCompiler("foo-bar-g++ (GCC-Explorer-Build) 4.9.4").should.equal(true);
compiler.isCfgCompiler("foo-bar-gcc (GCC-Explorer-Build) 4.9.4").should.equal(true);
compiler.isCfgCompiler("foo-bar-gdc (GCC-Explorer-Build) 4.9.4").should.equal(true);
compiler.isCfgCompiler("fake-for-test (Based on g++)").should.equal(false);
compiler.isCfgCompiler("gdc (crosstool-NG 203be35 - 20160205-2.066.1-e95a735b97) 5.2.0").should.equal(true);
compiler.isCfgCompiler("gdc (crosstool-NG hg+unknown-20131212.080758 - 20140430-2.064.2-404a037d26) 4.8.2").should.equal(true);
compiler.isCfgCompiler("gdc (crosstool-NG crosstool-ng-1.20.0-232-gc746732 - 20150830-2.066.1-d0dd4a83de) 4.9.3").should.equal(true);
compiler.isCfgCompiler("fake-for-test (Based on gdc)").should.equal(false);
});
it('should allow comments next to includes (Bug #874)', () => {
should.equal(compiler.checkSource("#include <cmath> // std::(sin, cos, ...)"), null);
const badSource = compiler.checkSource("#include </dev/null..> //Muehehehe");
should.exist(badSource);
badSource.should.equal("<stdin>:1:1: no absolute or relative includes please");
});
});
describe('Compiler execution', function () {
let ce, compiler;
const info = {
exe: null,
remote: true,
lang: languages['c++'].id,
ldPath: []
};
before(() => {
ce = makeCompilationEnvironment({ languages });
compiler = new BaseCompiler(info, ce);
});
afterEach(() => sinon.restore());
function stubOutCallToExec(execStub, compiler, content, result, nthCall) {
execStub.onCall(nthCall || 0).callsFake((compiler, args, options) => {
const minusO = args.indexOf("-o");
minusO.should.be.gte(0);
const output = args[minusO + 1];
// Maybe we should mock out the FS too; but that requires a lot more work.
fs.writeFileSync(output, content);
result.filenameTransform = x => x;
return Promise.resolve(result);
});
}
it('should compile', async () => {
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "This is the output file", {
code: 0,
okToCache: true,
stdout: 'stdout',
stderr: 'stderr'
});
const result = await compiler.compile(
"source",
"options",
{},
{},
false,
[],
{},
[]);
result.code.should.equal(0);
result.compilationOptions.should.contain("options");
result.compilationOptions.should.contain(result.inputFilename);
result.okToCache.should.be.true;
result.asm.should.deep.equal([{source: null, text: "This is the output file", labels: []}]);
result.stdout.should.deep.equal([{text: "stdout"}]);
result.stderr.should.deep.equal([{text: "stderr"}]);
result.popularArguments.should.deep.equal({});
result.tools.should.deep.equal([]);
execStub.called.should.be.true;
});
it('should handle compilation failures', async () => {
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "This is the output file", {
code: 1,
okToCache: true,
stdout: '',
stderr: 'oh noes'
});
const result = await compiler.compile(
"source",
"options",
{},
{},
false,
[],
{},
[]);
result.code.should.equal(1);
result.asm.should.deep.equal([{labels: [], source: null, text: "<Compilation failed>"}]);
});
it('should cache results (when asked)', async () => {
const ceMock = sinon.mock(ce);
const fakeExecResults = {
code: 0,
okToCache: true,
stdout: 'stdout',
stderr: 'stderr'
};
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "This is the output file", fakeExecResults);
const source = "Some cacheable source";
const options = "Some cacheable options";
ceMock.expects('cachePut').withArgs(sinon.match({source, options}), sinon.match(fakeExecResults)).resolves();
const uncachedResult = await compiler.compile(
source,
options,
{},
{},
false,
[],
{},
[]);
uncachedResult.code.should.equal(0);
ceMock.verify();
});
it('should not cache results (when not asked)', async () => {
const ceMock = sinon.mock(ce);
const fakeExecResults = {
code: 0,
okToCache: false,
stdout: 'stdout',
stderr: 'stderr'
};
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "This is the output file", fakeExecResults);
ceMock.expects("cachePut").never();
const source = "Some cacheable source";
const options = "Some cacheable options";
const uncachedResult = await compiler.compile(
source,
options,
{},
{},
false,
[],
{},
[]);
uncachedResult.code.should.equal(0);
ceMock.verify();
});
it('should read from the cache (when asked)', async () => {
const ceMock = sinon.mock(ce);
const source = "Some previously cached source";
const options = "Some previously cached options";
ceMock.expects('cacheGet').withArgs(sinon.match({source, options})).resolves({code: 123});
const cachedResult = await compiler.compile(
source,
options,
{},
{},
false,
[],
{},
[]);
cachedResult.code.should.equal(123);
ceMock.verify();
});
it('should note read from the cache (when bypassed)', async () => {
const ceMock = sinon.mock(ce);
const fakeExecResults = {
code: 0,
okToCache: true,
stdout: 'stdout',
stderr: 'stderr'
};
const source = "Some previously cached source";
const options = "Some previously cached options";
ceMock.expects('cacheGet').never();
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "This is the output file", fakeExecResults);
const uncachedResult = await compiler.compile(
source,
options,
{},
{},
true,
[],
{},
[]);
uncachedResult.code.should.equal(0);
ceMock.verify();
});
it('should execute', async () => {
const execMock = sinon.mock(exec);
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "This is the output asm file", {
code: 0,
okToCache: true,
stdout: 'asm stdout',
stderr: 'asm stderr'
}, 0);
stubOutCallToExec(execStub, compiler, "This is the output binary file", {
code: 0,
okToCache: true,
stdout: 'binary stdout',
stderr: 'binary stderr'
}, 1);
execMock.expects("sandbox").withArgs(sinon.match.string, sinon.match.array, sinon.match.object).resolves({
code: 0,
stdout: 'exec stdout',
stderr: 'exec stderr'
});
const result = await compiler.compile(
"source",
"options",
{},
{execute: true},
false,
[],
{},
[]);
result.code.should.equal(0);
result.execResult.didExecute.should.be.true;
result.stdout.should.deep.equal([{text: "asm stdout"}]);
result.execResult.stdout.should.deep.equal([{text: "exec stdout"}]);
result.execResult.buildResult.stdout.should.deep.equal([{text: "binary stdout"}]);
result.stderr.should.deep.equal([{text: "asm stderr"}]);
result.execResult.stderr.should.deep.equal([{text: "exec stderr"}]);
result.execResult.buildResult.stderr.should.deep.equal([{text: "binary stderr"}]);
});
it('should demangle', async () => {
const withDemangler = {...info, demangler: 'demangler-exe', demanglerClassFile: './demangler-cpp'};
const compiler = new BaseCompiler(withDemangler, ce);
const execStub = sinon.stub(compiler, 'exec');
stubOutCallToExec(execStub, compiler, "someMangledSymbol:\n", {
code: 0,
okToCache: true,
stdout: 'stdout',
stderr: 'stderr'
});
execStub.onCall(1).callsFake((demangler, args, options) => {
demangler.should.equal("demangler-exe");
options.input.should.equal("someMangledSymbol");
return Promise.resolve({
code: 0,
filenameTransform: x => x,
stdout: 'someDemangledSymbol\n',
stderr: ''
});
});
const result = await compiler.compile(
"source",
"options",
{},
{demangle: true},
false,
[],
{},
[]);
result.code.should.equal(0);
result.asm.should.deep.equal([{source: null, labels: [], text: "someDemangledSymbol:"}]);
// TODO all with demangle: false
});
it('should run objdump properly', async () => {
const withDemangler = {...info, objdumper: 'objdump-exe'};
const compiler = new BaseCompiler(withDemangler, ce);
const execStub = sinon.stub(compiler, 'exec');
execStub.onCall(0).callsFake((objdumper, args, options) => {
objdumper.should.equal("objdump-exe");
args.should.deep.equal([
"-d", "output",
"-l", "--insn-width=16",
"-C", "-M", "intel"]);
options.maxOutput.should.equal(123456);
return Promise.resolve({
code: 0,
filenameTransform: x => x,
stdout: 'the output',
stderr: ''
});
});
compiler.supportsObjdump().should.be.true;
const result = await compiler.objdump(
"output",
{},
123456,
true,
true);
result.asm.should.deep.equal("the output");
});
it('should run process opt output', async () => {
const test = `--- !Missed
Pass: inline
Name: NeverInline
DebugLoc: { File: example.cpp, Line: 4, Column: 21 }
Function: main
Args: []
...
`;
const dirPath = await compiler.newTempDir();
const optPath = path.join(dirPath, "temp.out");
await fs.writeFile(optPath, test);
const a = await compiler.processOptOutput(optPath);
a.should.deep.equal([{
Args: [],
DebugLoc: {Column: 21, File: "example.cpp", Line: 4},
Function: "main",
Name: "NeverInline",
Pass: "inline",
displayString: "",
optType: "Missed"
}]);
});
});