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-rw-r--r--lib/compilers/pascal.js280
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diff --git a/lib/compilers/pascal.js b/lib/compilers/pascal.js
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--- a/lib/compilers/pascal.js
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-// Copyright (c) 2017, 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 _ from 'underscore';
-
-import {BaseCompiler} from '../base-compiler';
-import * as utils from '../utils';
-
-import {PascalParser} from './argument-parsers';
-import {PascalUtils} from './pascal-utils';
-
-export class FPCCompiler extends BaseCompiler {
- static get key() {
- return 'pascal';
- }
-
- constructor(info, env) {
- super(info, env);
-
- this.compileFilename = 'output.pas';
- this.dprFilename = 'prog.dpr';
- this.supportsOptOutput = false;
- this.nasmPath = this.compilerProps('nasmpath');
- this.pasUtils = new PascalUtils();
- }
-
- getSharedLibraryPathsAsArguments() {
- return [];
- }
-
- processAsm(result, filters) {
- this.demangler = new this.demanglerClass(null, this);
- return this.asm.process(result.asm, filters);
- }
-
- postProcessAsm(result, filters) {
- if (!result.okToCache) return result;
-
- if (filters.binary) {
- for (let j = 0; j < result.asm.length; ++j) {
- this.demangler.addDemangleToCache(result.asm[j].text);
- }
- }
-
- for (let j = 0; j < result.asm.length; ++j)
- result.asm[j].text = this.demangler.demangleIfNeeded(result.asm[j].text);
-
- return result;
- }
-
- optionsForFilter(filters) {
- let options = ['-g', '-al'];
-
- if (this.compiler.intelAsm && filters.intel && !filters.binary) {
- options = options.concat(this.compiler.intelAsm.split(' '));
- }
-
- filters.preProcessLines = _.bind(this.preProcessLines, this);
-
- if (filters.binary) {
- filters.dontMaskFilenames = true;
- }
-
- return options;
- }
-
- getOutputFilename(dirPath) {
- return path.join(dirPath, `${path.basename(this.compileFilename, this.lang.extensions[0])}.s`);
- }
-
- getExecutableFilename(dirPath) {
- return path.join(dirPath, 'prog');
- }
-
- async objdump(outputFilename, result, maxSize, intelAsm, demangle) {
- const dirPath = path.dirname(outputFilename);
- const execBinary = this.getExecutableFilename(dirPath);
- if (await utils.fileExists(execBinary)) {
- return super.objdump(execBinary, result, maxSize, intelAsm, demangle);
- }
-
- return super.objdump(outputFilename, result, maxSize, intelAsm, demangle);
- }
-
- static preProcessBinaryAsm(input) {
- const systemInitOffset = input.indexOf('<SYSTEM_$$_init$>');
- const relevantAsmStartsAt = input.indexOf('...', systemInitOffset);
- if (relevantAsmStartsAt !== -1) {
- const lastLinefeedBeforeStart = input.lastIndexOf('\n', relevantAsmStartsAt);
- if (lastLinefeedBeforeStart === -1) {
- input = input.substr(0, input.indexOf('00000000004')) + '\n' + input.substr(relevantAsmStartsAt);
- } else {
- input =
- input.substr(0, input.indexOf('00000000004')) + '\n' + input.substr(lastLinefeedBeforeStart + 1);
- }
- }
- return input;
- }
-
- postProcessObjdumpOutput(output) {
- return FPCCompiler.preProcessBinaryAsm(output);
- }
-
- async saveDummyProjectFile(filename, unitName, unitPath) {
- await fs.writeFile(
- filename,
- // prettier-ignore
- 'program prog;\n' +
- 'uses ' + unitName + ' in \'' + unitPath + '\';\n' +
- 'begin\n' +
- 'end.\n',
- );
- }
-
- async writeAllFiles(dirPath, source, files, filters) {
- let inputFilename;
- if (this.pasUtils.isProgram(source)) {
- inputFilename = path.join(dirPath, this.dprFilename);
- } else {
- const unitName = this.pasUtils.getUnitname(source);
- if (unitName) {
- inputFilename = path.join(dirPath, unitName + '.pas');
- } else {
- inputFilename = path.join(dirPath, this.compileFilename);
- }
- }
-
- if (source !== '' || !files) {
- await fs.writeFile(inputFilename, source);
- }
-
- if (files && files.length > 0) {
- await this.writeMultipleFiles(files, dirPath);
- }
-
- return {
- inputFilename,
- };
- }
-
- async runCompiler(compiler, options, inputFilename, execOptions) {
- if (!execOptions) {
- execOptions = this.getDefaultExecOptions();
- }
-
- const alreadyHasDPR = path.basename(inputFilename) === this.dprFilename;
- const dirPath = path.dirname(inputFilename);
-
- const projectFile = path.join(dirPath, this.dprFilename);
- execOptions.customCwd = dirPath;
- if (this.nasmPath) {
- execOptions.env = _.clone(process.env);
- execOptions.env.PATH = execOptions.env.PATH + ':' + this.nasmPath;
- }
-
- if (!alreadyHasDPR) {
- const unitFilepath = path.basename(inputFilename);
- const unitName = unitFilepath.replace(/.pas$/i, '');
- await this.saveDummyProjectFile(projectFile, unitName, unitFilepath);
- }
-
- options.pop();
- options.push('-FE' + dirPath, '-B', projectFile);
-
- return this.parseOutput(await this.exec(compiler, options, execOptions), inputFilename, dirPath);
- }
-
- parseOutput(result, inputFilename, tempPath) {
- const fileWithoutPath = path.basename(inputFilename);
- result.inputFilename = fileWithoutPath;
- result.stdout = utils.parseOutput(result.stdout, fileWithoutPath, tempPath);
- result.stderr = utils.parseOutput(result.stderr, fileWithoutPath, tempPath);
- return result;
- }
-
- getArgumentParser() {
- return PascalParser;
- }
-
- getExtraAsmHint(asm, currentFileId) {
- if (asm.startsWith('# [')) {
- const bracketEndPos = asm.indexOf(']', 3);
- let valueInBrackets = asm.substr(3, bracketEndPos - 3);
- const colonPos = valueInBrackets.indexOf(':');
- if (colonPos !== -1) {
- valueInBrackets = valueInBrackets.substr(0, colonPos - 1);
- }
-
- if (valueInBrackets.startsWith('/')) {
- valueInBrackets = valueInBrackets.substr(1);
- }
-
- if (isNaN(valueInBrackets)) {
- return ` .file ${currentFileId} "${valueInBrackets}"`;
- } else {
- return ` .loc ${currentFileId} ${valueInBrackets} 0`;
- }
- } else if (asm.startsWith('.Le')) {
- return ' .cfi_endproc';
- } else {
- return false;
- }
- }
-
- tryGetFilenumber(asm, files) {
- if (asm.startsWith('# [')) {
- const bracketEndPos = asm.indexOf(']', 3);
- let valueInBrackets = asm.substr(3, bracketEndPos - 3);
- const colonPos = valueInBrackets.indexOf(':');
- if (colonPos !== -1) {
- valueInBrackets = valueInBrackets.substr(0, colonPos - 1);
- }
-
- if (valueInBrackets.startsWith('/')) {
- valueInBrackets = valueInBrackets.substr(1);
- }
-
- if (isNaN(valueInBrackets)) {
- if (!files[valueInBrackets]) {
- let maxFileId = _.max(files);
- if (maxFileId === -Infinity) {
- maxFileId = 0;
- }
-
- files[valueInBrackets] = maxFileId + 1;
- return maxFileId + 1;
- }
- }
- }
-
- return false;
- }
-
- preProcessLines(asmLines) {
- let i = 0;
- const files = {};
- let currentFileId = 1;
-
- while (i < asmLines.length) {
- const newFileId = this.tryGetFilenumber(asmLines[i], files);
- if (newFileId) currentFileId = newFileId;
-
- const extraHint = this.getExtraAsmHint(asmLines[i], currentFileId);
- if (extraHint) {
- i++;
- asmLines.splice(i, 0, extraHint);
- } else {
- this.demangler.addDemangleToCache(asmLines[i]);
- }
-
- i++;
- }
-
- return asmLines;
- }
-}