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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');
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, compilerNoExec;
const executingCompilerInfo = {
exe: null,
remote: true,
lang: languages['c++'].id,
ldPath: [],
supportsExecute: true,
supportsBinary: true,
};
const noExecuteSupportCompilerInfo = {
exe: null,
remote: true,
lang: languages['c++'].id,
ldPath: [],
};
before(() => {
ce = makeCompilationEnvironment({ languages });
compiler = new BaseCompiler(executingCompilerInfo, ce);
compilerNoExec = new BaseCompiler(noExecuteSupportCompilerInfo, ce);
});
afterEach(() => sinon.restore());
function stubOutCallToExec(execStub, compiler, content, result, nthCall) {
execStub.onCall(nthCall || 0).callsFake((compiler, args) => {
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 not execute where not supported', async () => {
const execMock = sinon.mock(exec);
const execStub = sinon.stub(compilerNoExec, 'exec');
stubOutCallToExec(execStub, compilerNoExec, 'This is the output asm file', {
code: 0,
okToCache: true,
stdout: 'asm stdout',
stderr: 'asm stderr',
}, 0);
stubOutCallToExec(execStub, compilerNoExec, '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 compilerNoExec.compile(
'source',
'options',
{},
{execute: true},
false,
[],
{},
[]);
result.code.should.equal(0);
result.execResult.didExecute.should.be.false;
result.stdout.should.deep.equal([{text: 'asm stdout'}]);
result.execResult.stdout.should.deep.equal([]);
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: 'Compiler does not support execution'}]);
result.execResult.buildResult.stderr.should.deep.equal([{text: 'binary stderr'}]);
});
it('should demangle', async () => {
const withDemangler = {...noExecuteSupportCompilerInfo, 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 = {...noExecuteSupportCompilerInfo, 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',
}]);
});
});