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racket.ts
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racket.ts
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// Copyright (c) 2022, 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 {CompilationResult, ExecutionOptions} from '../../types/compilation/compilation.interfaces';
import {ParseFilters} from '../../types/features/filters.interfaces';
import {BaseCompiler} from '../base-compiler';
import {logger} from '../logger';
export class RacketCompiler extends BaseCompiler {
private raco: string;
static get key() {
return 'racket';
}
constructor(info, env) {
// Disable output filters, as they currently don't do anything
if (!info.disabledFilters) {
info.disabledFilters = ['labels', 'directives', 'commentOnly', 'trim'];
}
super(info, env);
this.raco = this.compilerProps<string>(`compiler.${this.compiler.id}.raco`);
}
override optionsForFilter(filters: ParseFilters, outputFilename: string, userOptions?: string[]): string[] {
// We currently always compile to bytecode first and then decompile.
// Forcing `binary` on like this ensures `objdump` will be called for
// the decompilation phase.
filters.binary = true;
return [];
}
override supportsObjdump(): boolean {
return true;
}
override getSharedLibraryPathsAsArguments(libraries: object[], libDownloadPath?: string): string[] {
return [];
}
override async runCompiler(
compiler: string,
options: string[],
inputFilename: string,
execOptions: ExecutionOptions,
): Promise<CompilationResult> {
if (!execOptions) {
execOptions = this.getDefaultExecOptions();
}
if (!execOptions.customCwd) {
execOptions.customCwd = path.dirname(inputFilename);
}
// Compile to bytecode via `raco make`
options.unshift('make');
const makeResult = await this.exec(this.raco, options, execOptions);
return this.transformToCompilationResult(makeResult, inputFilename);
}
override getOutputFilename(dirPath: string, outputFilebase: string, key?: any): string {
return path.join(dirPath, 'compiled', `${this.compileFilename.replace('.', '_')}.zo`);
}
override async objdump(
outputFilename: any,
result: any,
maxSize: number,
intelAsm: any,
demangle: any,
filters: ParseFilters,
): Promise<any> {
// Decompile to assembly via `raco decompile` with `disassemble` package
const execOptions: ExecutionOptions = {
maxOutput: maxSize,
customCwd: (result.dirPath as string) || path.dirname(outputFilename),
};
const decompileResult = await this.exec(this.raco, ['decompile', outputFilename], execOptions);
if (decompileResult.code) {
logger.error('Error decompiling via `raco decompile`', decompileResult);
result.asm = `<No output: \`raco decompile\` returned ${decompileResult.code}>`;
}
result.objdumpTime = decompileResult.execTime;
result.asm = this.postProcessObjdumpOutput(decompileResult.stdout);
return result;
}
override processAsm(result: any, filters: any, options: any) {
// TODO: Process and highlight decompiled output
return {
asm: [{text: result.asm}],
};
}
}