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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 {ExecutionOptions} from '../../types/compilation/compilation.interfaces.js';
import {BaseTool} from './base-tool.js';
export class LLVMCovTool extends BaseTool {
static get key() {
return 'llvm-cov-tool';
}
override async runTool(compilationInfo, inputFilepath, args: string[], stdin) {
const compilationExecOptions = this.getDefaultExecOptions();
compilationExecOptions.customCwd = path.dirname(inputFilepath);
compilationExecOptions.input = stdin;
try {
const generatedExecutableName = this.getUniqueFilePrefix() + '-coverage.a';
// Remove inputs
const options = compilationInfo.compilationOptions.slice().splice(0, 4);
const compilationArgs = [
...options,
'-fprofile-instr-generate',
'-fcoverage-mapping',
'-g',
'-O0',
inputFilepath,
'-o',
generatedExecutableName,
];
const compilationResult = await this.exec(
compilationInfo.compiler.exe,
compilationArgs,
compilationExecOptions,
);
if (compilationResult.code !== 0) {
return this.createErrorResponse(
`<Compilation error>\n${compilationResult.stdout}\n${compilationResult.stderr}`,
);
}
const runExecOptions = this.getDefaultExecOptions() as ExecutionOptions;
runExecOptions.customCwd = path.dirname(inputFilepath);
await this.exec('./' + generatedExecutableName, [], {
...runExecOptions,
input: stdin,
});
const folder = path.dirname(this.tool.exe);
const profdataPath = path.join(folder, 'llvm-profdata');
const generatedProfdataName = this.getUniqueFilePrefix() + '.profdata';
const profdataResult = await this.exec(
profdataPath,
['merge', '-sparse', './default.profraw', '-o', './' + generatedProfdataName],
runExecOptions,
);
if (profdataResult.code !== 0) {
return this.createErrorResponse(
`<llvm-profdata error>\n${profdataResult.stdout}\n${profdataResult.stderr}`,
);
}
const covResult = await this.exec(
this.tool.exe,
[
'show',
'./' + generatedExecutableName,
'-instr-profile=./' + generatedProfdataName,
'-format',
'text',
'-use-color',
'-compilation-dir=./',
...args,
],
runExecOptions,
);
if (covResult.code === 0) {
return this.convertResult(covResult, inputFilepath, path.dirname(this.tool.exe));
} else {
return this.createErrorResponse(`<llvm-cov error>\n${covResult.stdout}\n${covResult.stderr}`);
}
} catch (e) {
return this.createErrorResponse(`<Tool error: ${e}>`);
}
}
}
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