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src.rivoreo.one / compiler-explorer / b2dd3fd663fc921c0aaa7bc4e6b0aaf4a296c995 / . / lib / base-compiler.ts
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// Copyright (c) 2015, 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.
import path from 'path';
import fs from 'fs-extra';
import * as PromClient from 'prom-client';
import temp from 'temp';
import _ from 'underscore';
import type {
BuildResult,
BuildStep,
CompilationCacheKey,
CompilationInfo,
CompilationResult,
CustomInputForTool,
ExecutionOptions,
} from '../types/compilation/compilation.interfaces.js';
import type {
LLVMOptPipelineBackendOptions,
LLVMOptPipelineOutput,
} from '../types/compilation/llvm-opt-pipeline-output.interfaces.js';
import type {CompilerInfo, ICompiler, PreliminaryCompilerInfo} from '../types/compiler.interfaces.js';
import type {
BasicExecutionResult,
ExecutableExecutionOptions,
UnprocessedExecResult,
} from '../types/execution/execution.interfaces.js';
import type {CompilerOutputOptions, ParseFiltersAndOutputOptions} from '../types/features/filters.interfaces.js';
import type {Language} from '../types/languages.interfaces.js';
import type {Library, LibraryVersion, SelectedLibraryVersion} from '../types/libraries/libraries.interfaces.js';
import type {ResultLine} from '../types/resultline/resultline.interfaces.js';
import type {Artifact, ToolResult, ToolTypeKey} from '../types/tool.interfaces.js';
import {BuildEnvSetupBase, getBuildEnvTypeByKey} from './buildenvsetup/index.js';
import type {BuildEnvDownloadInfo} from './buildenvsetup/buildenv.interfaces.js';
import * as cfg from './cfg/cfg.js';
import {CompilationEnvironment} from './compilation-env.js';
import {CompilerArguments} from './compiler-arguments.js';
import {ClangParser, GCCParser} from './compilers/argument-parsers.js';
import {BaseDemangler, getDemanglerTypeByKey} from './demangler/index.js';
import {LLVMIRDemangler} from './demangler/llvm.js';
import * as exec from './exec.js';
import {getExternalParserByKey} from './external-parsers/index.js';
import {ExternalParserBase} from './external-parsers/base.js';
import {InstructionSets} from './instructionsets.js';
import {languages} from './languages.js';
import {LlvmAstParser} from './llvm-ast.js';
import {LlvmIrParser} from './llvm-ir.js';
import * as compilerOptInfo from './llvm-opt-transformer.js';
import {logger} from './logger.js';
import {getObjdumperTypeByKey} from './objdumper/index.js';
import {Packager} from './packager.js';
import {AsmParser} from './parsers/asm-parser.js';
import type {IAsmParser} from './parsers/asm-parser.interfaces.js';
import {LlvmPassDumpParser} from './parsers/llvm-pass-dump-parser.js';
import type {PropertyGetter} from './properties.interfaces.js';
import {getToolchainPath} from './toolchain-utils.js';
import type {ITool} from './tooling/base-tool.interface.js';
import * as utils from './utils.js';
import {unwrap} from './assert.js';
const compilationTimeHistogram = new PromClient.Histogram({
name: 'ce_base_compiler_compilation_duration_seconds',
help: 'Time taken to compile code',
buckets: [0.1, 0.5, 1, 5, 10, 20, 30],
});
const executionTimeHistogram = new PromClient.Histogram({
name: 'ce_base_compiler_execution_duration_seconds',
help: 'Time taken to execute code',
buckets: [0.1, 0.5, 1, 5, 10, 20, 30],
});
export class BaseCompiler implements ICompiler {
protected compiler: CompilerInfo; // TODO: Some missing types still present in Compiler type
public lang: Language;
protected compileFilename: string;
protected env: CompilationEnvironment;
protected compilerProps: PropertyGetter;
protected alwaysResetLdPath: any;
protected delayCleanupTemp: any;
protected stubRe: RegExp;
protected stubText: string;
protected compilerWrapper: any;
protected asm: IAsmParser;
protected llvmIr: LlvmIrParser;
protected llvmPassDumpParser: LlvmPassDumpParser;
protected llvmAst: LlvmAstParser;
protected toolchainPath: any;
public possibleArguments: CompilerArguments;
protected possibleTools: ITool[];
protected demanglerClass: typeof BaseDemangler | null = null;
protected objdumperClass: any;
public outputFilebase: string;
protected mtime: Date | null = null;
protected cmakeBaseEnv: Record<string, string>;
protected buildenvsetup: null | any;
protected externalparser: null | ExternalParserBase;
protected supportedLibraries?: Record<string, Library>;
protected packager: Packager;
private static objdumpAndParseCounter = new PromClient.Counter({
name: 'ce_objdumpandparsetime_total',
help: 'Time spent on objdump and parsing of objdumps',
labelNames: [],
});
constructor(compilerInfo: PreliminaryCompilerInfo & {disabledFilters?: string[]}, env: CompilationEnvironment) {
// Information about our compiler
// By the end of construction / initialise() everything will be populated for CompilerInfo
this.compiler = compilerInfo as CompilerInfo;
this.lang = languages[compilerInfo.lang];
if (!this.lang) {
throw new Error(`Missing language info for ${compilerInfo.lang}`);
}
this.compileFilename = `example${this.lang.extensions[0]}`;
this.env = env;
// Partial application of compilerProps with the proper language id applied to it
this.compilerProps = _.partial(this.env.compilerProps as any, this.lang.id);
this.compiler.supportsIntel = !!this.compiler.intelAsm;
this.alwaysResetLdPath = this.env.ceProps('alwaysResetLdPath');
this.delayCleanupTemp = this.env.ceProps('delayCleanupTemp', false);
this.stubRe = new RegExp(this.compilerProps('stubRe', ''));
this.stubText = this.compilerProps('stubText', '');
this.compilerWrapper = this.compilerProps('compiler-wrapper');
if (!this.compiler.options) this.compiler.options = '';
if (!this.compiler.optArg) this.compiler.optArg = '';
if (!this.compiler.supportsOptOutput) this.compiler.supportsOptOutput = false;
if (!compilerInfo.disabledFilters) this.compiler.disabledFilters = [];
else if (typeof (this.compiler.disabledFilters as any) === 'string') {
// When first loaded from props it may be a string so we split it here
// I'd like a better way to do this that doesn't involve type hacks
// TODO(jeremy-rifkin): branch may now be obsolete?
this.compiler.disabledFilters = (this.compiler.disabledFilters as any).split(',');
}
this.asm = new AsmParser(this.compilerProps);
this.llvmIr = new LlvmIrParser(this.compilerProps);
this.llvmPassDumpParser = new LlvmPassDumpParser(this.compilerProps);
this.llvmAst = new LlvmAstParser(this.compilerProps);
this.toolchainPath = getToolchainPath(this.compiler.exe, this.compiler.options);
this.possibleArguments = new CompilerArguments(this.compiler.id);
this.possibleTools = _.values(compilerInfo.tools) as ITool[];
const demanglerExe = this.compiler.demangler;
if (demanglerExe && this.compiler.demanglerType) {
this.demanglerClass = getDemanglerTypeByKey(this.compiler.demanglerType);
}
const objdumperExe = this.compiler.objdumper;
if (objdumperExe && this.compiler.objdumperType) {
this.objdumperClass = getObjdumperTypeByKey(this.compiler.objdumperType);
}
this.outputFilebase = 'output';
this.cmakeBaseEnv = {};
this.buildenvsetup = null;
if (!this.getRemote() && this.compiler.buildenvsetup && this.compiler.buildenvsetup.id) {
const buildenvsetupclass = getBuildEnvTypeByKey(this.compiler.buildenvsetup.id);
this.buildenvsetup = new buildenvsetupclass(this.compiler, this.env);
}
this.externalparser = null;
if (!this.getRemote() && this.compiler.externalparser && this.compiler.externalparser.id) {
const externalparserclass = getExternalParserByKey(this.compiler.externalparser.id);
this.externalparser = new externalparserclass(this.compiler, this.env, this.exec);
}
if (!this.compiler.instructionSet) {
const isets = new InstructionSets();
if (this.buildenvsetup) {
isets
.getCompilerInstructionSetHint(this.buildenvsetup.compilerArch, this.compiler.exe)
.then(res => (this.compiler.instructionSet = res))
.catch(() => {});
} else {
const temp = new BuildEnvSetupBase(this.compiler, this.env);
isets
.getCompilerInstructionSetHint(temp.compilerArch, this.compiler.exe)
.then(res => (this.compiler.instructionSet = res))
.catch(() => {});
}
}
this.packager = new Packager();
}
copyAndFilterLibraries(allLibraries, filter) {
const filterLibAndVersion = _.map(filter, lib => {
const match = lib.match(/([\w-]*)\.([\w-]*)/i);
if (match) {
return {
id: match[1],
version: match[2],
};
} else {
return {
id: lib,
version: false,
};
}
});
const filterLibIds = new Set();
_.each(filterLibAndVersion, lib => {
filterLibIds.add(lib.id);
});
const copiedLibraries = {};
_.each(allLibraries, (lib, libid) => {
if (!filterLibIds.has(libid)) return;
const libcopy = Object.assign({}, lib);
libcopy.versions = _.omit(lib.versions, (version, versionid) => {
for (const filter of filterLibAndVersion) {
if (filter.id === libid) {
if (!filter.version) return false;
if (filter.version === versionid) return false;
}
}
return true;
});
copiedLibraries[libid] = libcopy;
});
return copiedLibraries;
}
getSupportedLibraries(supportedLibrariesArr, allLibs) {
if (supportedLibrariesArr.length > 0) {
return this.copyAndFilterLibraries(allLibs, supportedLibrariesArr);
}
return allLibs;
}
async getCmakeBaseEnv() {
if (!this.compiler.exe) return {};
const env: Record<string, string> = {};
if (this.lang.id === 'c++') {
env.CXX = this.compiler.exe;
if (this.compiler.exe.endsWith('clang++')) {
env.CC = this.compiler.exe.substr(0, this.compiler.exe.length - 2);
} else if (this.compiler.exe.endsWith('g++')) {
env.CC = this.compiler.exe.substr(0, this.compiler.exe.length - 2) + 'cc';
}
} else if (this.lang.id === 'fortran') {
env.FC = this.compiler.exe;
} else {
env.CC = this.compiler.exe;
}
if (this.toolchainPath) {
const ldPath = `${this.toolchainPath}/bin/ld`;
const arPath = `${this.toolchainPath}/bin/ar`;
const asPath = `${this.toolchainPath}/bin/as`;
if (await utils.fileExists(ldPath)) env.LD = ldPath;
if (await utils.fileExists(arPath)) env.AR = arPath;
if (await utils.fileExists(asPath)) env.AS = asPath;
}
return env;
}
newTempDir(): Promise<string> {
return new Promise((resolve, reject) => {
temp.mkdir({prefix: 'compiler-explorer-compiler', dir: process.env.tmpDir}, (err, dirPath) => {
if (err) reject(`Unable to open temp file: ${err}`);
else resolve(dirPath);
});
});
}
optOutputRequested(options: string[]) {
return options.includes('-fsave-optimization-record');
}
getRemote() {
if (this.compiler.remote) return this.compiler.remote;
return false;
}
async exec(filepath: string, args: string[], execOptions: ExecutionOptions) {
// Here only so can be overridden by compiler implementations.
return await exec.execute(filepath, args, execOptions);
}
protected getCompilerCacheKey(compiler, args, options): CompilationCacheKey {
return {mtime: this.mtime, compiler, args, options};
}
protected async execCompilerCached(compiler, args, options) {
if (this.mtime === null) {
throw new Error('Attempt to access cached compiler before initialise() called');
}
if (!options) {
options = this.getDefaultExecOptions();
options.timeoutMs = 0;
options.ldPath = this.getSharedLibraryPathsAsLdLibraryPaths([]);
}
const key = this.getCompilerCacheKey(compiler, args, options);
let result = await this.env.compilerCacheGet(key as any);
if (!result) {
result = await this.env.enqueue(async () => await exec.execute(compiler, args, options), true);
if (result.okToCache) {
this.env
.compilerCachePut(key as any, result, undefined)
.then(() => {
// Do nothing, but we don't await here.
})
.catch(e => {
logger.info('Uncaught exception caching compilation results', e);
});
}
}
return result;
}
getDefaultExecOptions(): ExecutionOptions {
return {
timeoutMs: this.env.ceProps('compileTimeoutMs', 7500),
maxErrorOutput: this.env.ceProps('max-error-output', 5000),
env: this.env.getEnv(this.compiler.needsMulti),
wrapper: this.compilerWrapper,
};
}
getCompilerResultLanguageId(): string | undefined {
return undefined;
}
async runCompiler(
compiler: string,
options: string[],
inputFilename: string,
execOptions: ExecutionOptions,
): Promise<CompilationResult> {
if (!execOptions) {
execOptions = this.getDefaultExecOptions();
}
if (!execOptions.customCwd) {
execOptions.customCwd = path.dirname(inputFilename);
}
const result = await this.exec(compiler, options, execOptions);
return {
...this.transformToCompilationResult(result, inputFilename),
languageId: this.getCompilerResultLanguageId(),
};
}
async runCompilerRawOutput(compiler, options, inputFilename, execOptions) {
if (!execOptions) {
execOptions = this.getDefaultExecOptions();
}
if (!execOptions.customCwd) {
execOptions.customCwd = path.dirname(inputFilename);
}
const result = await this.exec(compiler, options, execOptions);
return {
...result,
inputFilename,
};
}
supportsObjdump() {
return !!this.objdumperClass;
}
getObjdumpOutputFilename(defaultOutputFilename: string): string {
return defaultOutputFilename;
}
postProcessObjdumpOutput(output) {
return output;
}
async objdump(
outputFilename,
result: any,
maxSize: number,
intelAsm,
demangle,
staticReloc: boolean,
dynamicReloc: boolean,
filters: ParseFiltersAndOutputOptions,
) {
outputFilename = this.getObjdumpOutputFilename(outputFilename);
if (!(await utils.fileExists(outputFilename))) {
result.asm = '<No output file ' + outputFilename + '>';
return result;
}
const objdumper = new this.objdumperClass();
const args = objdumper.getDefaultArgs(outputFilename, demangle, intelAsm, staticReloc, dynamicReloc);
if (this.externalparser) {
const objResult = await this.externalparser.objdumpAndParseAssembly(result.dirPath, args, filters);
if (objResult.parsingTime !== undefined) {
objResult.objdumpTime = parseInt(result.execTime) - parseInt(result.parsingTime);
delete objResult.execTime;
}
result = {...result, ...objResult};
} else {
const execOptions: ExecutionOptions = {
maxOutput: maxSize,
customCwd: (result.dirPath as string) || path.dirname(outputFilename),
};
const objResult = await this.exec(this.compiler.objdumper, args, execOptions);
if (objResult.code === 0) {
result.objdumpTime = objResult.execTime;
result.asm = this.postProcessObjdumpOutput(objResult.stdout);
} else {
logger.error(`Error executing objdump ${this.compiler.objdumper}`, objResult);
result.asm = `<No output: objdump returned ${objResult.code}>`;
}
}
return result;
}
processExecutionResult(input: UnprocessedExecResult, inputFilename?: string): BasicExecutionResult {
const start = performance.now();
const stdout = utils.parseOutput(input.stdout, inputFilename);
const stderr = utils.parseOutput(input.stderr, inputFilename);
const end = performance.now();
return {
...input,
stdout,
stderr,
processExecutionResultTime: end - start,
};
}
getEmptyExecutionResult(): BasicExecutionResult {
return {
code: -1,
okToCache: false,
filenameTransform: x => x,
stdout: [],
stderr: [],
execTime: '',
timedOut: false,
};
}
transformToCompilationResult(input: UnprocessedExecResult, inputFilename): CompilationResult {
const transformedInput = input.filenameTransform(inputFilename);
return {
inputFilename,
languageId: input.languageId,
...this.processExecutionResult(input, transformedInput),
};
}
async execBinary(
executable,
maxSize,
executeParameters: ExecutableExecutionOptions,
homeDir,
): Promise<BasicExecutionResult> {
// We might want to save this in the compilation environment once execution is made available
const timeoutMs = this.env.ceProps('binaryExecTimeoutMs', 2000);
try {
const execResult: UnprocessedExecResult = await exec.sandbox(executable, executeParameters.args, {
maxOutput: maxSize,
timeoutMs: timeoutMs,
ldPath: _.union(this.compiler.ldPath, executeParameters.ldPath),
input: executeParameters.stdin,
env: executeParameters.env,
customCwd: homeDir,
appHome: homeDir,
});
return this.processExecutionResult(execResult);
} catch (err: UnprocessedExecResult | any) {
if (err.code && err.stderr) {
return this.processExecutionResult(err);
} else {
return {
...this.getEmptyExecutionResult(),
stdout: err.stdout ? utils.parseOutput(err.stdout) : [],
stderr: err.stderr ? utils.parseOutput(err.stderr) : [],
code: err.code === undefined ? -1 : err.code,
};
}
}
}
protected filename(fn) {
return fn;
}
getGccDumpFileName(outputFilename: string) {
return outputFilename.replace(path.extname(outputFilename), '.dump');
}
getGccDumpOptions(gccDumpOptions, outputFilename: string) {
const addOpts = ['-fdump-passes'];
// Build dump options to append to the end of the -fdump command-line flag.
// GCC accepts these options as a list of '-' separated names that may
// appear in any order.
let flags = '';
if (gccDumpOptions.dumpFlags.address !== false) {
flags += '-address';
}
if (gccDumpOptions.dumpFlags.slim !== false) {
flags += '-slim';
}
if (gccDumpOptions.dumpFlags.raw !== false) {
flags += '-raw';
}
if (gccDumpOptions.dumpFlags.details !== false) {
flags += '-details';
}
if (gccDumpOptions.dumpFlags.stats !== false) {
flags += '-stats';
}
if (gccDumpOptions.dumpFlags.blocks !== false) {
flags += '-blocks';
}
if (gccDumpOptions.dumpFlags.vops !== false) {
flags += '-vops';
}
if (gccDumpOptions.dumpFlags.lineno !== false) {
flags += '-lineno';
}
if (gccDumpOptions.dumpFlags.uid !== false) {
flags += '-uid';
}
if (gccDumpOptions.dumpFlags.all !== false) {
flags += '-all';
}
// If we want to remove the passes that won't produce anything from the
// drop down menu, we need to ask for all dump files and see what's
// really created. This is currently only possible with regular GCC, not
// for compilers that us libgccjit. The later can't easily move dump
// files outside of the tempdir created on the fly.
if (this.compiler.removeEmptyGccDump) {
if (gccDumpOptions.treeDump !== false) {
addOpts.push('-fdump-tree-all' + flags);
}
if (gccDumpOptions.rtlDump !== false) {
addOpts.push('-fdump-rtl-all' + flags);
}
if (gccDumpOptions.ipaDump !== false) {
addOpts.push('-fdump-ipa-all' + flags);
}
} else {
// If not dumping everything, create a specific command like
// -fdump-tree-fixup_cfg1-some-flags=somefilename
if (gccDumpOptions.pass) {
const dumpFile = this.getGccDumpFileName(outputFilename);
const dumpCmd = gccDumpOptions.pass.command_prefix + flags + `=${dumpFile}`;
addOpts.push(dumpCmd);
}
}
return addOpts;
}
// Returns a list of additional options that may be required by some backend options.
// Meant to be overloaded by compiler classes.
// Default handles the GCC compiler with some debug dump enabled.
optionsForBackend(backendOptions: Record<string, any>, outputFilename: string): string[] {
let addOpts: string[] = [];
if (backendOptions.produceGccDump && backendOptions.produceGccDump.opened && this.compiler.supportsGccDump) {
addOpts = addOpts.concat(this.getGccDumpOptions(backendOptions.produceGccDump, outputFilename));
}
return addOpts;
}
protected optionsForFilter(
filters: ParseFiltersAndOutputOptions,
outputFilename: string,
userOptions?: string[],
): string[] {
let options = ['-g', '-o', this.filename(outputFilename)];
if (this.compiler.intelAsm && filters.intel && !filters.binary && !filters.binaryObject) {
options = options.concat(this.compiler.intelAsm.split(' '));
}
if (!filters.binary && !filters.binaryObject) options = options.concat('-S');
else if (filters.binaryObject) options = options.concat('-c');
return options;
}
findLibVersion(selectedLib: SelectedLibraryVersion): false | LibraryVersion {
if (!this.supportedLibraries) return false;
const foundLib = _.find(this.supportedLibraries, (o, libId) => libId === selectedLib.id);
if (!foundLib) return false;
const result: LibraryVersion | undefined = _.find(
foundLib.versions,
(o: LibraryVersion, versionId: string): boolean => {
if (versionId === selectedLib.version) return true;
return !!(o.alias && o.alias.includes(selectedLib.version));
},
);
if (!result) return false;
result.name = foundLib.name;
return result;
}
findAutodetectStaticLibLink(linkname: string): SelectedLibraryVersion | false {
const foundLib = _.findKey(this.supportedLibraries as Record<string, Library>, lib => {
return (
lib.versions.autodetect &&
lib.versions.autodetect.staticliblink &&
lib.versions.autodetect.staticliblink.includes(linkname)
);
});
if (!foundLib) return false;
return {
id: foundLib,
version: 'autodetect',
};
}
getSortedStaticLibraries(libraries) {
const dictionary = {};
const links = _.uniq(
_.flatten(
_.map(libraries, selectedLib => {
const foundVersion = this.findLibVersion(selectedLib);
if (!foundVersion) return false;
return _.map(foundVersion.staticliblink, lib => {
if (lib) {
dictionary[lib] = foundVersion;
return [lib, foundVersion.dependencies];
} else {
return false;
}
});
}),
),
);
const sortedlinks: string[] = [];
_.each(links, libToInsertName => {
const libToInsertObj = dictionary[libToInsertName];
let idxToInsert = sortedlinks.length;
for (const [idx, libCompareName] of sortedlinks.entries()) {
const libCompareObj: LibraryVersion = dictionary[libCompareName];
if (
libToInsertObj &&
libCompareObj &&
_.intersection(libToInsertObj.dependencies, libCompareObj.staticliblink).length > 0
) {
idxToInsert = idx;
break;
} else if (libToInsertObj && libToInsertObj.dependencies.includes(libCompareName)) {
idxToInsert = idx;
break;
} else if (libCompareObj && libCompareObj.dependencies.includes(libToInsertName)) {
continue;
} else if (
libToInsertObj &&
libToInsertObj.staticliblink.includes(libToInsertName) &&
libToInsertObj.staticliblink.includes(libCompareName)
) {
if (
libToInsertObj.staticliblink.indexOf(libToInsertName) >
libToInsertObj.staticliblink.indexOf(libCompareName)
) {
continue;
} else {
idxToInsert = idx;
}
break;
} else if (
libCompareObj &&
libCompareObj.staticliblink.includes(libToInsertName) &&
libCompareObj.staticliblink.includes(libCompareName)
) {
if (
libCompareObj.staticliblink.indexOf(libToInsertName) >
libCompareObj.staticliblink.indexOf(libCompareName)
) {
continue;
} else {
idxToInsert = idx;
}
break;
}
}
if (idxToInsert < sortedlinks.length) {
sortedlinks.splice(idxToInsert, 0, libToInsertName);
} else {
sortedlinks.push(libToInsertName);
}
});
return sortedlinks;
}
getStaticLibraryLinks(libraries) {
const linkFlag = this.compiler.linkFlag || '-l';
return _.map(this.getSortedStaticLibraries(libraries), lib => {
if (lib) {
return linkFlag + lib;
} else {
return false;
}
}) as string[];
}
getSharedLibraryLinks(libraries: any[]): string[] {
const linkFlag = this.compiler.linkFlag || '-l';
return _.flatten(
_.map(libraries, selectedLib => {
const foundVersion = this.findLibVersion(selectedLib);
if (!foundVersion) return false;
return _.map(foundVersion.liblink, lib => {
if (lib) {
return linkFlag + lib;
} else {
return false;
}
});
}),
) as string[];
}
getSharedLibraryPaths(libraries) {
return _.flatten(
_.map(libraries, selectedLib => {
const foundVersion = this.findLibVersion(selectedLib);
if (!foundVersion) return false;
return foundVersion.libpath;
}),
) as string[];
}
protected getSharedLibraryPathsAsArguments(libraries, libDownloadPath?) {
const pathFlag = this.compiler.rpathFlag || '-Wl,-rpath,';
const libPathFlag = this.compiler.libpathFlag || '-L';
let toolchainLibraryPaths: string[] = [];
if (this.toolchainPath) {
toolchainLibraryPaths = [path.join(this.toolchainPath, '/lib64'), path.join(this.toolchainPath, '/lib32')];
}
if (!libDownloadPath) {
libDownloadPath = '.';
}
return _.union(
[libPathFlag + libDownloadPath],
[pathFlag + libDownloadPath],
this.compiler.libPath.map(path => pathFlag + path),
toolchainLibraryPaths.map(path => pathFlag + path),
this.getSharedLibraryPaths(libraries).map(path => pathFlag + path),
this.getSharedLibraryPaths(libraries).map(path => libPathFlag + path),
) as string[];
}
protected getSharedLibraryPathsAsLdLibraryPaths(libraries) {
let paths = '';
if (!this.alwaysResetLdPath) {
paths = process.env.LD_LIBRARY_PATH || '';
}
return _.union(
paths.split(path.delimiter).filter(p => !!p),
this.compiler.ldPath,
this.getSharedLibraryPaths(libraries),
) as string[];
}
getSharedLibraryPathsAsLdLibraryPathsForExecution(libraries) {
let paths = '';
if (!this.alwaysResetLdPath) {
paths = process.env.LD_LIBRARY_PATH || '';
}
return _.union(
paths.split(path.delimiter).filter(p => !!p),
this.compiler.ldPath,
this.compiler.libPath,
this.getSharedLibraryPaths(libraries),
);
}
getIncludeArguments(libraries: SelectedLibraryVersion[]): string[] {
const includeFlag = this.compiler.includeFlag || '-I';
return libraries.flatMap(selectedLib => {
const foundVersion = this.findLibVersion(selectedLib);
if (!foundVersion) return [];
return foundVersion.path.map(path => includeFlag + path);
});
}
getLibraryOptions(libraries: SelectedLibraryVersion[]): string[] {
return libraries.flatMap(selectedLib => {
const foundVersion = this.findLibVersion(selectedLib);
if (!foundVersion) return [];
return foundVersion.options;
});
}
orderArguments(
options: string[],
inputFilename: string,
libIncludes: string[],
libOptions: string[],
libPaths: string[],
libLinks: string[],
userOptions: string[],
staticLibLinks: string[],
) {
return options.concat(
userOptions,
[this.filename(inputFilename)],
libIncludes,
libOptions,
libPaths,
libLinks,
staticLibLinks,
);
}
prepareArguments(
userOptions: string[],
filters: ParseFiltersAndOutputOptions,
backendOptions: Record<string, any>,
inputFilename: string,
outputFilename: string,
libraries,
) {
let options = this.optionsForFilter(filters, outputFilename, userOptions);
backendOptions = backendOptions || {};
options = options.concat(this.optionsForBackend(backendOptions, outputFilename));
if (this.compiler.options) {
options = options.concat(utils.splitArguments(this.compiler.options));
}
if (this.compiler.supportsOptOutput && backendOptions.produceOptInfo) {
options = options.concat(unwrap(this.compiler.optArg));
}
const libIncludes = this.getIncludeArguments(libraries);
const libOptions = this.getLibraryOptions(libraries);
let libLinks: string[] = [];
let libPaths: string[] = [];
let staticLibLinks: string[] = [];
if (filters.binary) {
libLinks = this.getSharedLibraryLinks(libraries) || [];
libPaths = this.getSharedLibraryPathsAsArguments(libraries);
staticLibLinks = this.getStaticLibraryLinks(libraries) || [];
}
userOptions = this.filterUserOptions(userOptions) || [];
options = this.fixIncompatibleOptions(options, userOptions);
return this.orderArguments(
options,
inputFilename,
libIncludes,
libOptions,
libPaths,
libLinks,
userOptions,
staticLibLinks,
);
}
protected fixIncompatibleOptions(options: string[], userOptions: string[]): string[] {
return options;
}
filterUserOptions(userOptions: string[]): string[] {
return userOptions;
}
async generateAST(inputFilename, options) {
// These options make Clang produce an AST dump
const newOptions = _.filter(options, option => option !== '-fcolor-diagnostics').concat([
'-Xclang',
'-ast-dump',
'-fsyntax-only',
]);
const execOptions = this.getDefaultExecOptions();
// A higher max output is needed for when the user includes headers
execOptions.maxOutput = 1024 * 1024 * 1024;
return this.llvmAst.processAst(
await this.runCompiler(this.compiler.exe, newOptions, this.filename(inputFilename), execOptions),
);
}
async generatePP(inputFilename, compilerOptions, rawPpOptions) {
// -E to dump preprocessor output, remove -o so it is dumped to stdout
compilerOptions = compilerOptions.concat(['-E']);
if (compilerOptions.includes('-o')) {
compilerOptions.splice(compilerOptions.indexOf('-o'), 2);
}
const ppOptions = _.extend(
{
'filter-headers': false,
'clang-format': false,
},
rawPpOptions,
);
const execOptions = this.getDefaultExecOptions();
// A higher max output is needed for when the user includes headers
execOptions.maxOutput = 1024 * 1024 * 1024;
const result = await this.runCompilerRawOutput(
this.compiler.exe,
compilerOptions,
this.filename(inputFilename),
execOptions,
);
let output = result.stdout;
let numberOfLinesFiltered = 0;
if (ppOptions['filter-headers']) {
[numberOfLinesFiltered, output] = this.filterPP(output);
}
if (ppOptions['clang-format']) {
output = await this.applyClangFormat(output);
}
return {
numberOfLinesFiltered,
output: output,
};
}
filterPP(stdout): any[] {
// Every compiler except Chibicc, as far as I've tested, outputs these line annotations
// Compiler test: https://godbolt.org/z/K7Pncjs4o
// Matching things like:
// # 4 "/app/example.cpp"
// # 11 "/usr/include/x86_64-linux-gnu/gnu/stubs.h" 2 3 4
// #line 1816 "C:/WinSdk/Include/10.0.18362.0/ucrt\\corecrt.h"
// # 13 "" 3
// regex test cases: https://regex101.com/r/9dOsUI/1
const lines = stdout.split('\n');
const ppLineRe = /^\s*#\s*(?:line)?\s*\d+\s*"((?:\\"|[^"])*)"/i;
let isInSourceRegion = true;
let numberOfLinesFiltered = 0;
const filteredLines: string[] = [];
for (const line of lines) {
const match = line.match(ppLineRe);
if (match === null) {
if (isInSourceRegion) {
filteredLines.push(line);
} else {
numberOfLinesFiltered++;
}
} else {
const path = match[1];
if (
path.trim() === '' ||
path === '<source>' ||
path === '<stdin>' ||
path.endsWith('.c') ||
path.endsWith('.cpp')
) {
isInSourceRegion = true;
} else {
isInSourceRegion = false;
}
numberOfLinesFiltered++;
}
}
return [numberOfLinesFiltered, filteredLines.join('\n')];
}
async applyClangFormat(output): Promise<string> {
// Currently hard-coding llvm style
try {
const [stdout, stderr] = await this.env.formatHandler.internalFormat('clangformat', 'LLVM', output);
if (stderr) {
return stdout + '\n/* clang-format stderr:\n' + stderr.trim() + '\n*/';
}
return stdout;
} catch (err) {
logger.error('Internal formatter error', {err});
return '/* <Error while running clang-format> */\n\n' + output;
}
}
async generateIR(inputFilename: string, options: string[], filters: ParseFiltersAndOutputOptions) {
// These options make Clang produce an IR
const newOptions = options
.filter(option => option !== '-fcolor-diagnostics')
.concat(unwrap(this.compiler.irArg));
const execOptions = this.getDefaultExecOptions();
// A higher max output is needed for when the user includes headers
execOptions.maxOutput = 1024 * 1024 * 1024;
const output = await this.runCompiler(this.compiler.exe, newOptions, this.filename(inputFilename), execOptions);
if (output.code !== 0) {
return [{text: 'Failed to run compiler to get IR code'}];
}
const ir = await this.processIrOutput(output, filters);
return ir.asm;
}
async processIrOutput(output, filters: ParseFiltersAndOutputOptions) {
const irPath = this.getIrOutputFilename(output.inputFilename, filters);
if (await fs.pathExists(irPath)) {
const output = await fs.readFile(irPath, 'utf8');
// uses same filters as main compiler
return this.llvmIr.process(output, filters);
}
return {
asm: [{text: 'Internal error; unable to open output path'}],
labelDefinitions: {},
};
}
async generateLLVMOptPipeline(
inputFilename: string,
options: string[],
filters: ParseFiltersAndOutputOptions,
llvmOptPipelineOptions: LLVMOptPipelineBackendOptions,
): Promise<LLVMOptPipelineOutput | undefined> {
// These options make Clang produce the pass dumps
const newOptions = options
.filter(option => option !== '-fcolor-diagnostics')
.concat(unwrap(this.compiler.llvmOptArg))
.concat(llvmOptPipelineOptions.fullModule ? unwrap(this.compiler.llvmOptModuleScopeArg) : [])
.concat(
llvmOptPipelineOptions.noDiscardValueNames ? unwrap(this.compiler.llvmOptNoDiscardValueNamesArg) : [],
)
.concat(this.compiler.debugPatched ? ['-mllvm', '--debug-to-stdout'] : []);
const execOptions = this.getDefaultExecOptions();
execOptions.maxOutput = 1024 * 1024 * 1024;
const compileStart = performance.now();
const output = await this.runCompiler(this.compiler.exe, newOptions, this.filename(inputFilename), execOptions);
const compileEnd = performance.now();
if (output.timedOut) {
return {
error: 'Clang invocation timed out',
results: {},
clangTime: output.execTime || compileEnd - compileStart,
};
}
if (output.code !== 0) {
return;
}
try {
const parseStart = performance.now();
const llvmOptPipeline = await this.processLLVMOptPipeline(
output,
filters,
llvmOptPipelineOptions,
this.compiler.debugPatched,
);
const parseEnd = performance.now();
if (llvmOptPipelineOptions.demangle) {
// apply demangles after parsing, would otherwise greatly complicate the parsing of the passes
// new this.demanglerClass(this.compiler.demangler, this);
const demangler = new LLVMIRDemangler(this.compiler.demangler, this);
// collect labels off the raw input
if (this.compiler.debugPatched) {
await demangler.collect({asm: output.stdout});
} else {
await demangler.collect({asm: output.stderr});
}
return {
results: await demangler.demangleLLVMPasses(llvmOptPipeline),
clangTime: compileEnd - compileStart,
parseTime: parseEnd - parseStart,
};
} else {
return {
results: llvmOptPipeline,
clangTime: compileEnd - compileStart,
parseTime: parseEnd - parseStart,
};
}
} catch (e: any) {
return {
error: e.toString(),
results: {},
clangTime: compileEnd - compileStart,
};
}
}
async processLLVMOptPipeline(
output,
filters: ParseFiltersAndOutputOptions,
llvmOptPipelineOptions: LLVMOptPipelineBackendOptions,
debugPatched?: boolean,
) {
return this.llvmPassDumpParser.process(
debugPatched ? output.stdout : output.stderr,
filters,
llvmOptPipelineOptions,
);
}
getRustMacroExpansionOutputFilename(inputFilename) {
return inputFilename.replace(path.extname(inputFilename), '.expanded.rs');
}
getRustHirOutputFilename(inputFilename) {
return inputFilename.replace(path.extname(inputFilename), '.hir');
}
getRustMirOutputFilename(outputFilename) {
return outputFilename.replace(path.extname(outputFilename), '.mir');
}
getHaskellCoreOutputFilename(inputFilename) {
return inputFilename.replace(path.extname(inputFilename), '.dump-simpl');
}
getHaskellStgOutputFilename(inputFilename) {
return inputFilename.replace(path.extname(inputFilename), '.dump-stg-final');
}
getHaskellCmmOutputFilename(inputFilename) {
return inputFilename.replace(path.extname(inputFilename), '.dump-cmm');
}
// Currently called for getting macro expansion and HIR.
// It returns the content of the output file created after using -Z unpretty=<unprettyOpt>.
// The outputFriendlyName is a free form string used in case of error.
async generateRustUnprettyOutput(inputFilename, options, unprettyOpt, outputFilename, outputFriendlyName) {
const execOptions = this.getDefaultExecOptions();
const rustcOptions = [...options];
rustcOptions.splice(options.indexOf('-o', 2));
rustcOptions.push(inputFilename, '-o', outputFilename, `-Zunpretty=${unprettyOpt}`);
const output = await this.runCompiler(this.compiler.exe, rustcOptions, inputFilename, execOptions);
if (output.code !== 0) {
return [{text: `Failed to run compiler to get Rust ${outputFriendlyName}`}];
}
if (await utils.fileExists(outputFilename)) {
const content = await fs.readFile(outputFilename, 'utf8');
return content.split('\n').map(line => ({
text: line,
}));
}
return [{text: 'Internal error; unable to open output path'}];
}
async generateRustMacroExpansion(inputFilename, options) {
const macroExpPath = this.getRustMacroExpansionOutputFilename(inputFilename);
return this.generateRustUnprettyOutput(inputFilename, options, 'expanded', macroExpPath, 'Macro Expansion');
}
async generateRustHir(inputFilename, options) {
const hirPath = this.getRustHirOutputFilename(inputFilename);
return this.generateRustUnprettyOutput(inputFilename, options, 'hir-tree', hirPath, 'HIR');
}
async processRustMirOutput(outputFilename, output) {
const mirPath = this.getRustMirOutputFilename(outputFilename);
if (output.code !== 0) {
return [{text: 'Failed to run compiler to get Rust MIR'}];
}
if (await utils.fileExists(mirPath)) {
const content = await fs.readFile(mirPath, 'utf8');
return content.split('\n').map(line => ({
text: line,
}));
}
return [{text: 'Internal error; unable to open output path'}];
}
async processHaskellExtraOutput(outpath, output) {
if (output.code !== 0) {
return [{text: 'Failed to run compiler to get Haskell Core'}];
}
if (await utils.fileExists(outpath)) {
const content = await fs.readFile(outpath, 'utf8');
// output file starts with
//
// ==================== <HEADER> ====================
//
// we want to drop this to make the output nicer
return content
.split('\n')
.slice(3)
.map(line => ({
text: line,
}));
}
return [{text: 'Internal error; unable to open output path'}];
}
getIrOutputFilename(inputFilename: string, filters?: ParseFiltersAndOutputOptions): string {
return inputFilename.replace(path.extname(inputFilename), '.ll');
}
getOutputFilename(dirPath: string, outputFilebase: string, key?: any): string {
let filename;
if (key && key.backendOptions && key.backendOptions.customOutputFilename) {
filename = key.backendOptions.customOutputFilename;
} else {
filename = `${outputFilebase}.s`;
}
if (dirPath) {
return path.join(dirPath, filename);
} else {
return filename;
}
}
getExecutableFilename(dirPath: string, outputFilebase: string, key?) {
return this.getOutputFilename(dirPath, outputFilebase, key);
}
async processGnatDebugOutput(inputFilename, result) {
const contentDebugExpanded: ResultLine[] = [];
const contentDebugTree: ResultLine[] = [];
const keep_stdout: ResultLine[] = [];
// stdout layout:
//
// ----- start
// everything here stays
// ... in stdout
// ... until :
// Source recreated from tree... <-\
// everything here is |
// ... sent in expanded | this is optionnal
// ... pane... until : <-/
// Tree created for ... <-\
// everything after is | this is optionnal
// ... sent in Tree pane <-/
// ----- EOF
const startOfExpandedCode = /^Source recreated from tree/;
const startOfTree = /^Tree created for/;
let isInExpandedCode = false;
let isInTree = false;
for (const obj of Object.values(result.stdout) as ResultLine[]) {
if (!isInExpandedCode && startOfExpandedCode.test(obj.text)) {
isInExpandedCode = true;
isInTree = false;
} else if (!isInTree && startOfTree.test(obj.text)) {
isInExpandedCode = false;
isInTree = true;
}
if (isInExpandedCode) {
contentDebugExpanded.push(obj);
} else if (isInTree) {
contentDebugTree.push(obj);
} else {
keep_stdout.push(obj);
}
}
// Do not check compiler result before looking for expanded code. The
// compiler may exit with an error after the emission. This dump is also
// very usefull to debug error message.
if (contentDebugExpanded.length === 0)
if (result.code === 0) {
contentDebugExpanded.push({
text: 'GNAT exited successfully but the expanded code is missing, something is wrong',
});
} else {
contentDebugExpanded.push({text: 'GNAT exited with an error and did not create the expanded code'});
}
if (contentDebugTree.length === 0)
if (result.code === 0) {
contentDebugTree.push({text: 'GNAT exited successfully but the Tree is missing, something is wrong'});
} else {
contentDebugTree.push({text: 'GNAT exited with an error and did not create the Tree'});
}
return {
stdout: keep_stdout,
tree: contentDebugTree,
expandedcode: contentDebugExpanded,
};
}
/**
* @returns {{filename_suffix: string, name: string, command_prefix: string}}
* `filename_suffix`: dump file name suffix if GCC default dump name is used
*
* `name`: the name to be displayed in the UI
*
* `command_prefix`: command prefix to be used in case this dump is to be
* created using a targeted option (eg. -fdump-rtl-expand)
*/
fromInternalGccDumpName(internalDumpName, selectedPasses) {
if (!selectedPasses) selectedPasses = ['ipa', 'tree', 'rtl'];
const internalNameRe = new RegExp('^\\s*(' + selectedPasses.join('|') + ')-([\\w_-]+).*ON$');
const match = internalDumpName.match(internalNameRe);
if (match)
return {
filename_suffix: `${match[1][0]}.${match[2]}`,
name: match[2] + ' (' + match[1] + ')',
command_prefix: `-fdump-${match[1]}-${match[2]}`,
};
else return null;
}
async checkOutputFileAndDoPostProcess(asmResult, outputFilename, filters: ParseFiltersAndOutputOptions) {
try {
const stat = await fs.stat(outputFilename);
asmResult.asmSize = stat.size;
} catch (e) {
// Ignore errors
}
return await this.postProcess(asmResult, outputFilename, filters);
}
runToolsOfType(tools, type: ToolTypeKey, compilationInfo): Promise<ToolResult>[] {
const tooling: Promise<ToolResult>[] = [];
if (tools) {
for (const tool of tools) {
const matches = this.possibleTools.find(possibleTool => {
return possibleTool.id === tool.id && possibleTool.type === type;
});
if (matches) {
const toolPromise: Promise<ToolResult> = matches.runTool(
compilationInfo,
compilationInfo.inputFilename,
tool.args,
tool.stdin,
this.supportedLibraries,
);
tooling.push(toolPromise);
}
}
}
return tooling;
}
buildExecutable(compiler, options, inputFilename, execOptions) {
// default implementation, but should be overridden by compilers
return this.runCompiler(compiler, options, inputFilename, execOptions);
}
async getRequiredLibraryVersions(libraries) {
const libraryDetails = {};
_.each(libraries, selectedLib => {
const foundVersion = this.findLibVersion(selectedLib);
if (foundVersion) libraryDetails[selectedLib.id] = foundVersion;
});
return libraryDetails;
}
async setupBuildEnvironment(key: any, dirPath: string, binary: boolean): Promise<BuildEnvDownloadInfo[]> {
if (this.buildenvsetup && binary) {
const libraryDetails = await this.getRequiredLibraryVersions(key.libraries);
return this.buildenvsetup.setup(key, dirPath, libraryDetails);
} else {
return [];
}
}
async addArtifactToResult(result: CompilationResult, filepath: string, customType?: string, customTitle?: string) {
const file_buffer = await fs.readFile(filepath);
const artifact: Artifact = {
content: file_buffer.toString('base64'),
type: customType || 'application/octet-stream',
name: path.basename(filepath),
title: customTitle || path.basename(filepath),
};
if (!result.artifacts) result.artifacts = [];
result.artifacts.push(artifact);
}
protected async writeMultipleFiles(files: any[], dirPath: string) {
const filesToWrite: Promise<void>[] = [];
for (const file of files) {
if (!file.filename) throw new Error('One of more files do not have a filename');
const fullpath = this.getExtraFilepath(dirPath, file.filename);
filesToWrite.push(fs.outputFile(fullpath, file.contents));
}
return Promise.all(filesToWrite);
}
protected async writeAllFiles(
dirPath: string,
source: string,
files: any[],
filters: ParseFiltersAndOutputOptions,
) {
if (!source) throw new Error(`File ${this.compileFilename} has no content or file is missing`);
const inputFilename = path.join(dirPath, this.compileFilename);
await fs.writeFile(inputFilename, source);
if (files && files.length > 0) {
await this.writeMultipleFiles(files, dirPath);
}
return {
inputFilename,
};
}
protected async writeAllFilesCMake(dirPath, source, files, filters: ParseFiltersAndOutputOptions) {
if (!source) throw new Error('File CMakeLists.txt has no content or file is missing');
const inputFilename = path.join(dirPath, 'CMakeLists.txt');
await fs.writeFile(inputFilename, source);
if (files && files.length > 0) {
await this.writeMultipleFiles(files, dirPath);
}
return {
inputFilename,
};
}
async buildExecutableInFolder(key, dirPath: string): Promise<BuildResult> {
const writeSummary = await this.writeAllFiles(dirPath, key.source, key.files, key.filters);
const downloads = await this.setupBuildEnvironment(key, dirPath, true);
const inputFilename = writeSummary.inputFilename;
const outputFilename = this.getExecutableFilename(dirPath, this.outputFilebase, key);
const buildFilters: ParseFiltersAndOutputOptions = Object.assign({}, key.filters);
buildFilters.binaryObject = false;
buildFilters.binary = true;
buildFilters.execute = true;
const compilerArguments = _.compact(
this.prepareArguments(
key.options,
buildFilters,
key.backendOptions,
inputFilename,
outputFilename,
key.libraries,
),
);
const execOptions = this.getDefaultExecOptions();
execOptions.ldPath = this.getSharedLibraryPathsAsLdLibraryPaths(key.libraries);
const result = await this.buildExecutable(key.compiler.exe, compilerArguments, inputFilename, execOptions);
return {
...result,
downloads,
executableFilename: outputFilename,
compilationOptions: compilerArguments,
};
}
async getOrBuildExecutable(key) {
const dirPath = await this.newTempDir();
const buildResults = await this.loadPackageWithExecutable(key, dirPath);
if (buildResults) return buildResults;
let compilationResult;
try {
compilationResult = await this.buildExecutableInFolder(key, dirPath);
if (compilationResult.code !== 0) {
return compilationResult;
}
} catch (e) {
return this.handleUserError(e, dirPath);
}
await this.storePackageWithExecutable(key, dirPath, compilationResult);
if (!compilationResult.dirPath) {
compilationResult.dirPath = dirPath;
}
return compilationResult;
}
async loadPackageWithExecutable(key, dirPath) {
const compilationResultFilename = 'compilation-result.json';
try {
const startTime = process.hrtime.bigint();
const outputFilename = await this.env.executableGet(key, dirPath);
if (outputFilename) {
logger.debug(`Using cached package ${outputFilename}`);
await this.packager.unpack(outputFilename, dirPath);
const buildResultsBuf = await fs.readFile(path.join(dirPath, compilationResultFilename));
const buildResults = JSON.parse(buildResultsBuf.toString('utf8'));
const endTime = process.hrtime.bigint();
let inputFilename = path.join(dirPath, this.compileFilename);
if (buildResults.inputFilename) {
inputFilename = path.join(dirPath, path.basename(buildResults.inputFilename));
}
return Object.assign({}, buildResults, {
code: 0,
inputFilename: inputFilename,
dirPath: dirPath,
executableFilename: this.getExecutableFilename(dirPath, this.outputFilebase, key),
packageDownloadAndUnzipTime: ((endTime - startTime) / BigInt(1000000)).toString(),
});
}
logger.debug('Tried to get executable from cache, but got a cache miss');
} catch (err) {
logger.error('Tried to get executable from cache, but got an error:', {err});
}
return false;
}
async storePackageWithExecutable(key, dirPath, compilationResult) {
const compilationResultFilename = 'compilation-result.json';
const packDir = await this.newTempDir();
const packagedFile = path.join(packDir, 'package.tgz');
try {
await fs.writeFile(path.join(dirPath, compilationResultFilename), JSON.stringify(compilationResult));
await this.packager.package(dirPath, packagedFile);
await this.env.executablePut(key, packagedFile);
} catch (err) {
logger.error('Caught an error trying to put to cache: ', {err});
} finally {
fs.remove(packDir);
}
}
runExecutable(executable, executeParameters: ExecutableExecutionOptions, homeDir) {
const maxExecOutputSize = this.env.ceProps('max-executable-output-size', 32 * 1024);
// Hardcoded fix for #2339. Ideally I'd have a config option for this, but for now this is plenty good enough.
executeParameters.env = {
ASAN_OPTIONS: 'color=always',
UBSAN_OPTIONS: 'color=always',
MSAN_OPTIONS: 'color=always',
LSAN_OPTIONS: 'color=always',
...executeParameters.env,
};
if (this.compiler.executionWrapper) {
executeParameters.args.unshift(executable);
executable = this.compiler.executionWrapper;
}
return this.execBinary(executable, maxExecOutputSize, executeParameters, homeDir);
}
protected fixExecuteParametersForInterpreting(executeParameters, outputFilename, key) {
executeParameters.args.unshift(outputFilename);
}
async handleInterpreting(key, executeParameters): Promise<CompilationResult> {
const source = key.source;
const dirPath = await this.newTempDir();
const outputFilename = this.getExecutableFilename(dirPath, this.outputFilebase);
// cant use this.writeAllFiles here because outputFilename is used as the file to execute
// instead of inputFilename
await fs.writeFile(outputFilename, source);
if (key.files && key.files.length > 0) {
await this.writeMultipleFiles(key.files, dirPath);
}
this.fixExecuteParametersForInterpreting(executeParameters, outputFilename, key);
const result = await this.runExecutable(this.compiler.exe, executeParameters, dirPath);
return {
...result,
didExecute: true,
buildResult: {
code: 0,
timedOut: false,
stdout: [],
stderr: [],
downloads: [],
executableFilename: outputFilename,
compilationOptions: [],
},
};
}
async handleExecution(key, executeParameters): Promise<CompilationResult> {
if (this.compiler.interpreted) return this.handleInterpreting(key, executeParameters);
const buildResult = await this.getOrBuildExecutable(key);
if (buildResult.code !== 0) {
return {
code: -1,
didExecute: false,
buildResult,
stderr: [{text: 'Build failed'}],
stdout: [],
timedOut: false,
};
}
if (!(await utils.fileExists(buildResult.executableFilename))) {
const verboseResult = {
code: -1,
didExecute: false,
buildResult,
stderr: [{text: 'Executable not found'}],
stdout: [],
timedOut: false,
};
verboseResult.buildResult.stderr.push({text: 'Compiler did not produce an executable'});
return verboseResult;
}
if (!this.compiler.supportsExecute) {
return {
code: -1,
didExecute: false,
buildResult,
stderr: [{text: 'Compiler does not support execution'}],
stdout: [],
timedOut: false,
};
}
executeParameters.ldPath = this.getSharedLibraryPathsAsLdLibraryPathsForExecution(key.libraries);
const result = await this.runExecutable(buildResult.executableFilename, executeParameters, buildResult.dirPath);
return {
...result,
didExecute: true,
buildResult: buildResult,
};
}
getCacheKey(source, options, backendOptions, filters, tools, libraries, files) {
return {compiler: this.compiler, source, options, backendOptions, filters, tools, libraries, files};
}
getCmakeCacheKey(key, files) {
const cacheKey = Object.assign({}, key);
cacheKey.compiler = this.compiler;
cacheKey.files = files;
cacheKey.api = 'cmake';
if (cacheKey.filters) delete cacheKey.filters.execute;
delete cacheKey.executionParameters;
delete cacheKey.tools;
return cacheKey;
}
getCompilationInfo(
key: CompilationCacheKey,
result: CompilationResult | CustomInputForTool,
customBuildPath?: string,
): CompilationInfo {
return {
outputFilename: this.getOutputFilename(customBuildPath || result.dirPath || '', this.outputFilebase, key),
executableFilename: this.getExecutableFilename(
customBuildPath || result.dirPath || '',
this.outputFilebase,
key,
),
asmParser: this.asm,
...key,
...result,
};
}
tryAutodetectLibraries(libsAndOptions) {
const linkFlag = this.compiler.linkFlag || '-l';
const detectedLibs: SelectedLibraryVersion[] = [];
const foundlibOptions: string[] = [];
_.each(libsAndOptions.options, option => {
if (option.indexOf(linkFlag) === 0) {
const libVersion = this.findAutodetectStaticLibLink(option.substr(linkFlag.length).trim());
if (libVersion) {
foundlibOptions.push(option);
detectedLibs.push(libVersion);
}
}
});
if (detectedLibs.length > 0) {
libsAndOptions.options = _.filter(libsAndOptions.options, option => !foundlibOptions.includes(option));
libsAndOptions.libraries = _.union(libsAndOptions.libraries, detectedLibs);
return true;
} else {
return false;
}
}
async doCompilation(inputFilename, dirPath, key, options, filters, backendOptions, libraries, tools) {
const inputFilenameSafe = this.filename(inputFilename);
const outputFilename = this.getOutputFilename(dirPath, this.outputFilebase, key);
options = _.compact(
this.prepareArguments(options, filters, backendOptions, inputFilename, outputFilename, libraries),
);
const execOptions = this.getDefaultExecOptions();
execOptions.ldPath = this.getSharedLibraryPathsAsLdLibraryPaths([]);
const makeAst = backendOptions.produceAst && this.compiler.supportsAstView;
const makePp = backendOptions.producePp && this.compiler.supportsPpView;
const makeGnatDebug = backendOptions.produceGnatDebug && this.compiler.supportsGnatDebugViews;
const makeGnatDebugTree = backendOptions.produceGnatDebugTree && this.compiler.supportsGnatDebugViews;
const makeIr = backendOptions.produceIr && this.compiler.supportsIrView;
const makeLLVMOptPipeline = backendOptions.produceLLVMOptPipeline && this.compiler.supportsLLVMOptPipelineView;
const makeRustMir = backendOptions.produceRustMir && this.compiler.supportsRustMirView;
const makeRustMacroExp = backendOptions.produceRustMacroExp && this.compiler.supportsRustMacroExpView;
const makeRustHir = backendOptions.produceRustHir && this.compiler.supportsRustHirView;
const makeHaskellCore = backendOptions.produceHaskellCore && this.compiler.supportsHaskellCoreView;
const makeHaskellStg = backendOptions.produceHaskellStg && this.compiler.supportsHaskellStgView;
const makeHaskellCmm = backendOptions.produceHaskellCmm && this.compiler.supportsHaskellCmmView;
const makeGccDump =
backendOptions.produceGccDump && backendOptions.produceGccDump.opened && this.compiler.supportsGccDump;
const downloads = await this.setupBuildEnvironment(key, dirPath, filters.binary || filters.binaryObject);
const [
asmResult,
astResult,
ppResult,
irResult,
llvmOptPipelineResult,
rustHirResult,
rustMacroExpResult,
toolsResult,
] = await Promise.all([
this.runCompiler(this.compiler.exe, options, inputFilenameSafe, execOptions),
makeAst ? this.generateAST(inputFilename, options) : '',
makePp ? this.generatePP(inputFilename, options, backendOptions.producePp) : '',
makeIr ? this.generateIR(inputFilename, options, filters) : '',
makeLLVMOptPipeline
? this.generateLLVMOptPipeline(inputFilename, options, filters, backendOptions.produceLLVMOptPipeline)
: '',
makeRustHir ? this.generateRustHir(inputFilename, options) : '',
makeRustMacroExp ? this.generateRustMacroExpansion(inputFilename, options) : '',
Promise.all(
this.runToolsOfType(
tools,
'independent',
this.getCompilationInfo(key, {
inputFilename,
dirPath,
outputFilename,
}),
),
),
]);
// GNAT, GCC and rustc can produce their extra output files along
// with the main compilation command.
const gnatDebugResults =
makeGnatDebug || makeGnatDebugTree ? await this.processGnatDebugOutput(inputFilenameSafe, asmResult) : '';
const gccDumpResult = makeGccDump
? await this.processGccDumpOutput(
backendOptions.produceGccDump,
asmResult,
this.compiler.removeEmptyGccDump,
outputFilename,
)
: '';
const rustMirResult = makeRustMir ? await this.processRustMirOutput(outputFilename, asmResult) : '';
const haskellCoreResult = makeHaskellCore
? await this.processHaskellExtraOutput(this.getHaskellCoreOutputFilename(inputFilename), asmResult)
: '';
const haskellStgResult = makeHaskellStg
? await this.processHaskellExtraOutput(this.getHaskellStgOutputFilename(inputFilename), asmResult)
: '';
const haskellCmmResult = makeHaskellCmm
? await this.processHaskellExtraOutput(this.getHaskellCmmOutputFilename(inputFilename), asmResult)
: '';
asmResult.dirPath = dirPath;
if (!asmResult.compilationOptions) asmResult.compilationOptions = options;
asmResult.downloads = downloads;
// Here before the check to ensure dump reports even on failure cases
if (this.compiler.supportsGccDump && gccDumpResult) {
asmResult.gccDumpOutput = gccDumpResult;
}
if (this.compiler.supportsGnatDebugViews && gnatDebugResults) {
asmResult.stdout = gnatDebugResults.stdout;
if (makeGnatDebug && gnatDebugResults.expandedcode.length > 0) {
asmResult.hasGnatDebugOutput = true;
asmResult.gnatDebugOutput = gnatDebugResults.expandedcode;
}
if (makeGnatDebugTree && gnatDebugResults.tree.length > 0) {
asmResult.hasGnatDebugTreeOutput = true;
asmResult.gnatDebugTreeOutput = gnatDebugResults.tree;
}
}
// PP output populated here due to early return in the event of compilation failure
if (ppResult) {
asmResult.hasPpOutput = true;
asmResult.ppOutput = ppResult;
}
asmResult.tools = toolsResult;
if (this.compiler.supportsOptOutput && this.optOutputRequested(options)) {
const optPath = path.join(dirPath, `${this.outputFilebase}.opt.yaml`);
if (await fs.pathExists(optPath)) {
asmResult.hasOptOutput = true;
asmResult.optPath = optPath;
}
}
if (astResult) {
asmResult.hasAstOutput = true;
asmResult.astOutput = astResult;
}
if (ppResult) {
asmResult.hasPpOutput = true;
asmResult.ppOutput = ppResult;
}
if (irResult) {
asmResult.hasIrOutput = true;
asmResult.irOutput = irResult;
}
if (llvmOptPipelineResult) {
asmResult.hasLLVMOptPipelineOutput = true;
asmResult.llvmOptPipelineOutput = llvmOptPipelineResult;
}
if (rustMirResult) {
asmResult.hasRustMirOutput = true;
asmResult.rustMirOutput = rustMirResult;
}
if (rustMacroExpResult) {
asmResult.hasRustMacroExpOutput = true;
asmResult.rustMacroExpOutput = rustMacroExpResult;
}
if (rustHirResult) {
asmResult.hasRustHirOutput = true;
asmResult.rustHirOutput = rustHirResult;
}
if (haskellCoreResult) {
asmResult.hasHaskellCoreOutput = true;
asmResult.haskellCoreOutput = haskellCoreResult;
}
if (haskellStgResult) {
asmResult.hasHaskellStgOutput = true;
asmResult.haskellStgOutput = haskellStgResult;
}
if (haskellCmmResult) {
asmResult.hasHaskellCmmOutput = true;
asmResult.haskellCmmOutput = haskellCmmResult;
}
if (asmResult.code !== 0) {
return [{...asmResult, asm: '<Compilation failed>'}];
}
return this.checkOutputFileAndDoPostProcess(asmResult, outputFilename, filters);
}
doTempfolderCleanup(buildResult) {
if (buildResult.dirPath && !this.delayCleanupTemp) {
fs.remove(buildResult.dirPath);
}
buildResult.dirPath = undefined;
}
getCompilerEnvironmentVariables(compilerflags) {
if (this.lang.id === 'c++') {
return {...this.cmakeBaseEnv, CXXFLAGS: compilerflags};
} else if (this.lang.id === 'fortran') {
return {...this.cmakeBaseEnv, FFLAGS: compilerflags};
} else {
return {...this.cmakeBaseEnv, CFLAGS: compilerflags};
}
}
async doBuildstep(command, args, execParams) {
const result = await this.exec(command, args, execParams);
return this.processExecutionResult(result);
}
handleUserError(error, dirPath) {
return {
dirPath,
okToCache: false,
code: -1,
asm: [{text: `<${error.message}>`}],
stdout: [],
stderr: [{text: `<${error.message}>`}],
};
}
async doBuildstepAndAddToResult(result, name, command, args, execParams): Promise<BuildStep> {
const stepResult: BuildStep = {
...(await this.doBuildstep(command, args, execParams)),
compilationOptions: args,
step: name,
};
logger.debug(name);
result.buildsteps.push(stepResult);
return stepResult;
}
createCmakeExecParams(execParams, dirPath, libsAndOptions) {
const cmakeExecParams = Object.assign({}, execParams);
const libIncludes = this.getIncludeArguments(libsAndOptions.libraries);
const options = libsAndOptions.options.concat(libIncludes);
_.extend(cmakeExecParams.env, this.getCompilerEnvironmentVariables(options.join(' ')));
cmakeExecParams.ldPath = [dirPath];
// todo: if we don't use nsjail, the path should not be /app but dirPath
const libPaths = this.getSharedLibraryPathsAsArguments(libsAndOptions.libraries, '/app');
cmakeExecParams.env.LDFLAGS = libPaths.join(' ');
return cmakeExecParams;
}
createLibsAndOptions(key) {
const libsAndOptions = {libraries: key.libraries, options: key.options};
if (this.tryAutodetectLibraries(libsAndOptions)) {
key.libraries = libsAndOptions.libraries;
key.options = libsAndOptions.options;
}
return libsAndOptions;
}
getExtraCMakeArgs(key): string[] {
return [];
}
getCMakeExtToolchainParam(): string {
if (this.toolchainPath) {
return `-DCMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN=${this.toolchainPath}`;
}
return '';
}
async cmake(files, key) {
// key = {source, options, backendOptions, filters, bypassCache, tools, executionParameters, libraries};
if (!this.compiler.supportsBinary) {
const errorResult: CompilationResult = {
code: -1,
timedOut: false,
didExecute: false,
stderr: [],
stdout: [],
};
errorResult.stderr.push({text: 'Compiler does not support compiling to binaries'});
return errorResult;
}
_.defaults(key.filters, this.getDefaultFilters());
key.filters.binary = true;
key.filters.dontMaskFilenames = true;
const libsAndOptions = this.createLibsAndOptions(key);
const doExecute = key.filters.execute;
const executeParameters: ExecutableExecutionOptions = {
ldPath: this.getSharedLibraryPathsAsLdLibraryPaths(key.libraries),
args: key.executionParameters.args || [],
stdin: key.executionParameters.stdin || '',
env: {},
};
const cacheKey = this.getCmakeCacheKey(key, files);
const dirPath = await this.newTempDir();
const outputFilename = this.getExecutableFilename(path.join(dirPath, 'build'), this.outputFilebase, key);
let fullResult = await this.loadPackageWithExecutable(cacheKey, dirPath);
if (fullResult) {
fullResult.fetchedFromCache = true;
delete fullResult.inputFilename;
delete fullResult.executableFilename;
delete fullResult.dirPath;
} else {
let writeSummary;
try {
writeSummary = await this.writeAllFilesCMake(dirPath, cacheKey.source, files, cacheKey.filters);
} catch (e) {
return this.handleUserError(e, dirPath);
}
const execParams = this.getDefaultExecOptions();
execParams.appHome = dirPath;
execParams.customCwd = path.join(dirPath, 'build');
await fs.mkdir(execParams.customCwd);
const makeExecParams = this.createCmakeExecParams(execParams, dirPath, libsAndOptions);
fullResult = {
buildsteps: [],
inputFilename: writeSummary.inputFilename,
};
fullResult.downloads = await this.setupBuildEnvironment(cacheKey, dirPath, true);
const toolchainparam = this.getCMakeExtToolchainParam();
const cmakeArgs = utils.splitArguments(key.backendOptions.cmakeArgs);
const partArgs: string[] = [toolchainparam, ...this.getExtraCMakeArgs(key), ...cmakeArgs, '..'];
let fullArgs: string[] = [];
const useNinja = this.env.ceProps('useninja');
if (useNinja) {
fullArgs = ['-GNinja'].concat(partArgs);
} else {
fullArgs = partArgs;
}
const cmakeStepResult = await this.doBuildstepAndAddToResult(
fullResult,
'cmake',
this.env.ceProps('cmake'),
fullArgs,
makeExecParams,
);
if (cmakeStepResult.code !== 0) {
fullResult.result = {
dirPath,
okToCache: false,
code: cmakeStepResult.code,
asm: [{text: '<Build failed>'}],
};
return fullResult;
}
const makeStepResult = await this.doBuildstepAndAddToResult(
fullResult,
'build',
this.env.ceProps('cmake'),
['--build', '.'],
execParams,
);
if (makeStepResult.code !== 0) {
fullResult.result = {
dirPath,
okToCache: false,
code: makeStepResult.code,
asm: [{text: '<Build failed>'}],
};
return fullResult;
}
fullResult.result = {
dirPath,
okToCache: true,
};
if (!key.backendOptions.skipAsm) {
const [asmResult] = await this.checkOutputFileAndDoPostProcess(
fullResult.result,
outputFilename,
cacheKey.filters,
);
fullResult.result = asmResult;
}
if (this.lang.id === 'c++') {
fullResult.result.compilationOptions = makeExecParams.env.CXXFLAGS.split(' ');
} else if (this.lang.id === 'fortran') {
fullResult.result.compilationOptions = makeExecParams.env.FFLAGS.split(' ');
} else {
fullResult.result.compilationOptions = makeExecParams.env.CFLAGS.split(' ');
}
fullResult.code = 0;
_.each(fullResult.buildsteps, function (step) {
fullResult.code += step.code;
});
await this.storePackageWithExecutable(cacheKey, dirPath, fullResult);
}
fullResult.result.dirPath = dirPath;
if (this.compiler.supportsExecute && doExecute) {
fullResult.execResult = await this.runExecutable(outputFilename, executeParameters, dirPath);
fullResult.didExecute = true;
}
const optOutput = undefined;
await this.afterCompilation(
fullResult.result,
false,
cacheKey,
[],
key.tools,
cacheKey.backendOptions,
cacheKey.filters,
libsAndOptions.options,
optOutput,
path.join(dirPath, 'build'),
);
delete fullResult.result.dirPath;
return fullResult;
}
protected getExtraFilepath(dirPath, filename) {
// note: it's vitally important that the resulting path does not escape dirPath
// (filename is user input and thus unsafe)
const joined = path.join(dirPath, filename);
const normalized = path.normalize(joined);
if (process.platform === 'win32') {
if (!normalized.replace(/\\/g, '/').startsWith(dirPath.replace(/\\/g, '/'))) {
throw new Error('Invalid filename');
}
} else {
if (!normalized.startsWith(dirPath)) throw new Error('Invalid filename');
}
return normalized;
}
fixFiltersBeforeCacheKey(filters, options, files) {
// Don't run binary for unsupported compilers, even if we're asked.
if (filters.binary && !this.compiler.supportsBinary) {
delete filters.binary;
}
// For C/C++ turn off filters when compiling with -E
// This is done for all compilers. Not every compiler handles -E the same but they all use
// it for preprocessor output.
if ((this.compiler.lang === 'c++' || this.compiler.lang === 'c') && options.includes('-E')) {
for (const key in filters) {
filters[key] = false;
}
if (filters.binaryObject && !this.compiler.supportsBinaryObject) {
delete filters.binaryObject;
}
}
if (files && files.length > 0) {
filters.dontMaskFilenames = true;
}
}
async compile(source, options, backendOptions, filters, bypassCache, tools, executionParameters, libraries, files) {
const optionsError = this.checkOptions(options);
if (optionsError) throw optionsError;
const sourceError = this.checkSource(source);
if (sourceError) throw sourceError;
const libsAndOptions = {libraries, options};
if (this.tryAutodetectLibraries(libsAndOptions)) {
libraries = libsAndOptions.libraries;
options = libsAndOptions.options;
}
this.fixFiltersBeforeCacheKey(filters, options, files);
const executeParameters = {
args: executionParameters.args || [],
stdin: executionParameters.stdin || '',
};
const key = this.getCacheKey(source, options, backendOptions, filters, tools, libraries, files);
const doExecute = filters.execute;
filters = Object.assign({}, filters);
filters.execute = false;
if (!bypassCache) {
const cacheRetreiveTimeStart = process.hrtime.bigint();
// TODO: We should be able to eliminate this any cast. `key` should be cacheable (if it's not that's a big
// problem) Because key coantains a CompilerInfo which contains a function member it can't be assigned to a
// CacheableValue.
const result = await this.env.cacheGet(key as any);
if (result) {
const cacheRetreiveTimeEnd = process.hrtime.bigint();
result.retreivedFromCacheTime = (
(cacheRetreiveTimeEnd - cacheRetreiveTimeStart) /
BigInt(1000000)
).toString();
result.retreivedFromCache = true;
if (doExecute) {
result.execResult = await this.env.enqueue(async () => {
const start = performance.now();
const res = await this.handleExecution(key, executeParameters);
executionTimeHistogram.observe((performance.now() - start) / 1000);
return res;
});
if (result.execResult && result.execResult.buildResult) {
this.doTempfolderCleanup(result.execResult.buildResult);
}
}
return result;
}
}
return this.env.enqueue(async () => {
const start = performance.now();
const res = await (async () => {
source = this.preProcess(source, filters);
if (backendOptions.executorRequest) {
const execResult = await this.handleExecution(key, executeParameters);
if (execResult && execResult.buildResult) {
this.doTempfolderCleanup(execResult.buildResult);
}
return execResult;
}
const dirPath = await this.newTempDir();
let writeSummary;
try {
writeSummary = await this.writeAllFiles(dirPath, source, files, filters);
} catch (e) {
return this.handleUserError(e, dirPath);
}
const inputFilename = writeSummary.inputFilename;
const [result, optOutput] = await this.doCompilation(
inputFilename,
dirPath,
key,
options,
filters,
backendOptions,
libraries,
tools,
);
return await this.afterCompilation(
result,
doExecute,
key,
executeParameters,
tools,
backendOptions,
filters,
options,
optOutput,
);
})();
compilationTimeHistogram.observe((performance.now() - start) / 1000);
return res;
});
}
async afterCompilation(
result,
doExecute,
key,
executeParameters,
tools,
backendOptions,
filters,
options,
optOutput,
customBuildPath?,
) {
// Start the execution as soon as we can, but only await it at the end.
const execPromise = doExecute ? this.handleExecution(key, executeParameters) : null;
if (result.hasOptOutput) {
delete result.optPath;
result.optOutput = optOutput;
}
const compilationInfo = this.getCompilationInfo(key, result, customBuildPath);
result.tools = _.union(
result.tools,
await Promise.all(this.runToolsOfType(tools, 'postcompilation', compilationInfo)),
);
result = await this.extractDeviceCode(result, filters, compilationInfo);
this.doTempfolderCleanup(result);
if (result.buildResult) {
this.doTempfolderCleanup(result.buildResult);
}
if (backendOptions.skipAsm) {
result.asm = [];
} else {
if (!result.externalParserUsed) {
if (result.okToCache) {
const res = this.processAsm(result, filters, options);
result.asm = res.asm;
result.labelDefinitions = res.labelDefinitions;
result.parsingTime = res.parsingTime;
result.filteredCount = res.filteredCount;
if (result.objdumpTime) {
const dumpAndParseTime = parseInt(result.objdumpTime) + parseInt(result.parsingTime);
BaseCompiler.objdumpAndParseCounter.inc(dumpAndParseTime);
}
} else {
result.asm = [{text: result.asm}];
}
}
// TODO rephrase this so we don't need to reassign
result = filters.demangle ? await this.postProcessAsm(result, filters) : result;
if (this.compiler.supportsCfg && backendOptions.produceCfg) {
if (options.includes('-emit-llvm')) {
// for now do not generate a cfg for llvm ir
result.cfg = {};
} else {
result.cfg = cfg.generateStructure(this.compiler, result.asm);
}
}
}
if (!backendOptions.skipPopArgs) result.popularArguments = this.possibleArguments.getPopularArguments(options);
result = this.postCompilationPreCacheHook(result);
if (result.okToCache) {
await this.env.cachePut(key, result, undefined);
}
if (doExecute) {
result.execResult = await execPromise;
if (result.execResult.buildResult) {
this.doTempfolderCleanup(result.execResult.buildResult);
}
}
return result;
}
postCompilationPreCacheHook(result: CompilationResult): CompilationResult {
return result;
}
processAsm(result, filters, options) {
if ((options && options.includes('-emit-llvm')) || this.llvmIr.isLlvmIr(result.asm)) {
return this.llvmIr.process(result.asm, filters);
}
return this.asm.process(result.asm, filters);
}
async postProcessAsm(result, filters?: ParseFiltersAndOutputOptions) {
if (!result.okToCache || !this.demanglerClass || !result.asm) return result;
const demangler = new this.demanglerClass(this.compiler.demangler, this);
return await demangler.process(result);
}
async processOptOutput(optPath) {
const output: any[] = [];
const optStream = fs
.createReadStream(optPath, {encoding: 'utf8'})
.pipe(new compilerOptInfo.LLVMOptTransformer());
for await (const opt of optStream) {
if (opt.DebugLoc && opt.DebugLoc.File && opt.DebugLoc.File.includes(this.compileFilename)) {
output.push(opt);
}
}
if (this.compiler.demangler) {
const result = JSON.stringify(output, null, 4);
try {
const demangleResult = await this.exec(this.compiler.demangler, ['-n', '-p'], {input: result});
return JSON.parse(demangleResult.stdout);
} catch (exception) {
// swallow exception and return non-demangled output
logger.warn(`Caught exception ${exception} during opt demangle parsing`);
}
}
return output;
}
couldSupportASTDump(version: string) {
const versionRegex = /version (\d+.\d+)/;
const versionMatch = versionRegex.exec(version);
if (versionMatch) {
const versionNum = parseFloat(versionMatch[1]);
return version.toLowerCase().includes('clang') && versionNum >= 3.3;
}
return false;
}
isCfgCompiler(compilerVersion: string) {
return compilerVersion.includes('clang') || compilerVersion.match(/^([\w-]*-)?g((\+\+)|(cc)|(dc))/g) !== null;
}
async processGccDumpOutput(opts, result, removeEmptyPasses, outputFilename) {
const rootDir = path.dirname(result.inputFilename);
if (opts.treeDump === false && opts.rtlDump === false && opts.ipaDump === false) {
return {
all: [],
selectedPass: null,
currentPassOutput: 'Nothing selected for dump:\nselect at least one of Tree/IPA/RTL filter',
syntaxHighlight: false,
};
}
const output = {
all: [] as any[],
selectedPass: opts.pass,
currentPassOutput: '<No pass selected>',
syntaxHighlight: false,
};
const treeDumpsNotInPasses: any[] = [];
const selectedPasses: string[] = [];
if (opts.treeDump) {
selectedPasses.push('tree');
// Fake 2 lines as coming from -fdump-passes
// This allows the insertion of 'gimple' and 'original'
// tree dumps that are not really part of a tree pass.
treeDumpsNotInPasses.push(
[
{text: 'tree-original: ON'},
{
filename_suffix: 't.original',
name: 'original (tree)',
command_prefix: '-fdump-tree-original',
},
],
[
{text: 'tree-gimple: ON'},
{
filename_suffix: 't.gimple',
name: 'gimple (tree)',
command_prefix: '-fdump-tree-gimple',
},
],
);
}
if (opts.ipaDump) selectedPasses.push('ipa');
if (opts.rtlDump) selectedPasses.push('rtl');
// Defaults to a custom file derived from output file name. Works when
// using the -fdump-tree-foo=FILE variant (!removeEmptyPasses).
// Will be overriden later if not.
let dumpFileName = this.getGccDumpFileName(outputFilename);
let passFound = false;
const filtered_stderr: any[] = [];
const toRemoveFromStderr = /^\s*((ipa|tree|rtl)-)|(\*)([\w-]+).*(ON|OFF)$/;
const dumpPassesLines = treeDumpsNotInPasses.concat(
(Object.values(result.stderr) as ResultLine[]).map(x => [
x,
this.fromInternalGccDumpName(x.text, selectedPasses),
]),
);
for (const [obj, selectizeObject] of dumpPassesLines) {
if (selectizeObject) {
if (opts.pass && opts.pass.name === selectizeObject.name) passFound = true;
if (removeEmptyPasses) {
const f = fs.readdirSync(rootDir).filter(fn => fn.endsWith(selectizeObject.filename_suffix));
// pass is enabled, but the dump hasn't produced anything:
// don't add it to the drop down menu
if (f.length === 0) continue;
if (opts.pass && opts.pass.name === selectizeObject.name) dumpFileName = path.join(rootDir, f[0]);
}
output.all.push(selectizeObject);
}
if (!toRemoveFromStderr.test(obj.text)) {
filtered_stderr.push(obj);
}
}
result.stderr = filtered_stderr;
if (opts.pass && passFound) {
output.currentPassOutput = '';
if (dumpFileName && (await fs.pathExists(dumpFileName)))
output.currentPassOutput = await fs.readFile(dumpFileName, 'utf8');
// else leave the currentPassOutput empty. Can happen when some
// UI options are changed and a now disabled pass is still
// requested.
if (/^\s*$/.test(output.currentPassOutput)) {
output.currentPassOutput = `Pass '${opts.pass.name}' was requested
but nothing was dumped. Possible causes are:
- pass is not valid in this (maybe you changed the compiler options);
- pass is valid but did not emit anything (eg. it was not executed).`;
} else {
output.syntaxHighlight = true;
}
}
return output;
}
// eslint-disable-next-line no-unused-vars
async extractDeviceCode(result, filters, compilationInfo) {
return result;
}
async execPostProcess(result, postProcesses, outputFilename, maxSize) {
const postCommand = `cat "${outputFilename}" | ${postProcesses.join(' | ')}`;
return this.handlePostProcessResult(result, await this.exec('bash', ['-c', postCommand], {maxOutput: maxSize}));
}
preProcess(source: string, filters: CompilerOutputOptions): string {
if (filters.binary && !this.stubRe.test(source)) {
source += `\n${this.stubText}\n`;
}
return source;
}
async postProcess(result, outputFilename: string, filters: ParseFiltersAndOutputOptions) {
const postProcess = _.compact(this.compiler.postProcess);
const maxSize = this.env.ceProps('max-asm-size', 64 * 1024 * 1024);
const optPromise = result.hasOptOutput ? this.processOptOutput(result.optPath) : '';
const asmPromise =
(filters.binary || filters.binaryObject) && this.supportsObjdump()
? this.objdump(
outputFilename,
result,
maxSize,
filters.intel,
filters.demangle,
filters.binaryObject,
false,
filters,
)
: (async () => {
if (result.asmSize === undefined) {
result.asm = '<No output file>';
return result;
}
if (result.asmSize >= maxSize) {
result.asm =
'<No output: generated assembly was too large' +
` (${result.asmSize} > ${maxSize} bytes)>`;
return result;
}
if (postProcess.length > 0) {
return await this.execPostProcess(result, postProcess, outputFilename, maxSize);
} else {
const contents = await fs.readFile(outputFilename);
result.asm = contents.toString();
return result;
}
})();
return Promise.all([asmPromise, optPromise]);
}
handlePostProcessResult(result, postResult): CompilationResult {
result.asm = postResult.stdout;
if (postResult.code !== 0) {
result.asm = `<Error during post processing: ${postResult.code}>`;
logger.error('Error during post-processing: ', result);
}
return result;
}
checkOptions(options: string[]) {
const error = this.env.findBadOptions(options);
if (error.length > 0) return `Bad options: ${error.join(', ')}`;
return null;
}
// This check for arbitrary user-controlled preprocessor inclusions
// can be circumvented in more than one way. The goal here is to respond
// to simple attempts with a clear diagnostic; the service still needs to
// assume that malicious actors can make the compiler open arbitrary files.
checkSource(source) {
const re = /^\s*#\s*i(nclude|mport)(_next)?\s+["<]((\.{1,2}|\/)[^">]*)[">]/;
const failed: string[] = [];
for (const [index, line] of utils.splitLines(source).entries()) {
if (re.test(line)) {
failed.push(`<stdin>:${index + 1}:1: no absolute or relative includes please`);
}
}
if (failed.length > 0) return failed.join('\n');
return null;
}
protected getArgumentParser(): any {
const exe = this.compiler.exe.toLowerCase();
if (exe.includes('clang') || exe.includes('icpx') || exe.includes('icx')) {
// check this first as "clang++" matches "g++"
return ClangParser;
} else if (exe.includes('g++') || exe.includes('gcc')) {
return GCCParser;
}
//there is a lot of code around that makes this assumption.
//probably not the best thing to do :D
return GCCParser;
}
async getVersion() {
logger.info(`Gathering ${this.compiler.id} version information on ${this.compiler.exe}...`);
if (this.compiler.explicitVersion) {
logger.debug(`${this.compiler.id} has forced version output: ${this.compiler.explicitVersion}`);
return {stdout: [this.compiler.explicitVersion], stderr: [], code: 0};
}
const execOptions = this.getDefaultExecOptions();
const versionFlag = this.compiler.versionFlag || '--version';
execOptions.timeoutMs = 0; // No timeout for --version. A sort of workaround for slow EFS/NFS on the prod site
execOptions.ldPath = this.getSharedLibraryPathsAsLdLibraryPaths([]);
try {
return await this.execCompilerCached(this.compiler.exe, [versionFlag], execOptions);
} catch (err) {
logger.error(`Unable to get version for compiler '${this.compiler.exe}' - ${err}`);
return null;
}
}
initialiseLibraries(clientOptions) {
this.supportedLibraries = this.getSupportedLibraries(this.compiler.libsArr, clientOptions.libs[this.lang.id]);
}
async initialise(mtime: Date, clientOptions, isPrediscovered = false) {
this.mtime = mtime;
if (this.buildenvsetup) {
await this.buildenvsetup.initialise(async (compiler, args, options) => {
return this.execCompilerCached(compiler, args, options);
});
}
if (this.getRemote()) return this;
const compiler = this.compiler.exe;
let version = this.compiler.version || '';
if (!isPrediscovered) {
const versionRe = new RegExp(this.compiler.versionRe || '.*', 'i');
const result = await this.getVersion();
if (!result) return null;
if (result.code !== 0) {
logger.warn(`Compiler '${compiler}' - non-zero result ${result.code}`);
}
const fullVersion = result.stdout + result.stderr;
_.each(utils.splitLines(fullVersion), line => {
if (version) return;
const match = line.match(versionRe);
if (match) version = match[0];
});
if (!version) {
logger.error(`Unable to find compiler version for '${compiler}' with re ${versionRe}:`, result);
return null;
}
logger.debug(`${compiler} is version '${version}'`);
this.compiler.version = version;
this.compiler.fullVersion = fullVersion;
this.compiler.supportsCfg = this.isCfgCompiler(version);
// all C/C++ compilers support -E
this.compiler.supportsPpView = this.compiler.lang === 'c' || this.compiler.lang === 'c++';
this.compiler.supportsAstView = this.couldSupportASTDump(version);
}
try {
this.cmakeBaseEnv = await this.getCmakeBaseEnv();
} catch (e) {
logger.error(e);
}
this.initialiseLibraries(clientOptions);
if (isPrediscovered) {
logger.info(`${compiler} ${version} is ready`);
if (this.compiler.cachedPossibleArguments) {
this.possibleArguments.populateOptions(this.compiler.cachedPossibleArguments);
delete this.compiler.cachedPossibleArguments;
}
return this;
} else {
const initResult = await this.getArgumentParser().parse(this);
logger.info(`${compiler} ${version} is ready`);
return initResult;
}
}
getModificationTime(): number | undefined {
return this.mtime ? this.mtime.getTime() : undefined;
}
getInfo() {
return this.compiler;
}
getDefaultFilters(): ParseFiltersAndOutputOptions {
return {
binary: false,
execute: false,
demangle: true,
intel: true,
commentOnly: true,
directives: true,
labels: true,
optOutput: false,
libraryCode: false,
trim: false,
binaryObject: false,
};
}
}