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base-compiler.ts
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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 {
BuildResult,
BuildStep,
CompilationCacheKey,
CompilationInfo,
CompilationResult,
CustomInputForTool,
ExecutionOptions,
} from '../types/compilation/compilation.interfaces';
import {
LLVMOptPipelineBackendOptions,
LLVMOptPipelineOutput,
} from '../types/compilation/llvm-opt-pipeline-output.interfaces';
import {CompilerInfo, ICompiler} from '../types/compiler.interfaces';
import {
BasicExecutionResult,
ExecutableExecutionOptions,
UnprocessedExecResult,
} from '../types/execution/execution.interfaces';
import {CompilerOutputOptions, ParseFiltersAndOutputOptions} from '../types/features/filters.interfaces';
import {Language} from '../types/languages.interfaces';
import {Library, LibraryVersion, SelectedLibraryVersion} from '../types/libraries/libraries.interfaces';
import {ResultLine} from '../types/resultline/resultline.interfaces';
import {BuildEnvSetupBase, getBuildEnvTypeByKey} from './buildenvsetup';
import {BuildEnvDownloadInfo} from './buildenvsetup/buildenv.interfaces';
import * as cfg from './cfg';
import {CompilerArguments} from './compiler-arguments';
import {ClangParser, GCCParser} from './compilers/argument-parsers';
import {getDemanglerTypeByKey} from './demangler';
import {LLVMIRDemangler} from './demangler/llvm';
import * as exec from './exec';
import {getExternalParserByKey} from './external-parsers';
import {ExternalParserBase} from './external-parsers/base';
import {InstructionSets} from './instructionsets';
import {languages} from './languages';
import {LlvmAstParser} from './llvm-ast';
import {LlvmIrParser} from './llvm-ir';
import * as compilerOptInfo from './llvm-opt-transformer';
import {logger} from './logger';
import {getObjdumperTypeByKey} from './objdumper';
import {Packager} from './packager';
import {AsmParser} from './parsers/asm-parser';
import {IAsmParser} from './parsers/asm-parser.interfaces';
import {LlvmPassDumpParser} from './parsers/llvm-pass-dump-parser';
import {PropertyGetter} from './properties.interfaces';
import {getToolchainPath} from './toolchain-utils';
import {Tool, ToolResult, ToolTypeKey} from './tooling/base-tool.interface';
import * as utils from './utils';
export class BaseCompiler implements ICompiler {
protected compiler: CompilerInfo & Record<string, any>; // TODO: Some missing types still present in Compiler type
public lang: Language;
protected compileFilename: string;
protected env: any;
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: Tool[];
protected demanglerClass: any;
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: CompilerInfo & Record<string, any>, env) {
// Information about our compiler
this.compiler = 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, 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 (!this.compiler.disabledFilters) this.compiler.disabledFilters = [];
else if (typeof this.compiler.disabledFilters === 'string')
this.compiler.disabledFilters = this.compiler.disabledFilters.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);
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) {
return options.includes('-fsave-optimization-record');
}
getRemote() {
if (this.compiler.exe === null && 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);
if (!result) {
result = await this.env.enqueue(async () => await exec.execute(compiler, args, options));
if (result.okToCache) {
this.env
.compilerCachePut(key, result)
.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) {
return defaultOutputFilename;
}
postProcessObjdumpOutput(output) {
return output;
}
async objdump(
outputFilename,
result: any,
maxSize: number,
intelAsm,
demangle,
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);
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) {
logger.error(`Error executing objdump ${this.compiler.objdumper}`, objResult);
result.asm = `<No output: objdump returned ${objResult.code}>`;
} else {
result.objdumpTime = objResult.execTime;
result.asm = this.postProcessObjdumpOutput(objResult.stdout);
}
}
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 ? err.code : -1,
};
}
}
}
protected filename(fn) {
return fn;
}
getGccDumpFileName(outputFilename: string) {
return outputFilename.replace(path.extname(outputFilename), '.dump');
}
getGccDumpOptions(gccDumpOptions, outputFilename) {
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) {
options = options.concat(this.compiler.intelAsm.split(' '));
}
if (!filters.binary) options = options.concat('-S');
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;
if (o.alias && o.alias.includes(selectedLib.version)) return true;
return false;
},
);
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): 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 ? 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 ? 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(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 {