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// Copyright (c) 2023, 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 cloneDeep from 'lodash.clonedeep';
import {beforeAll, describe, expect, it} from 'vitest';
import {LlvmAstParser} from '../lib/llvm-ast.js';
import * as properties from '../lib/properties.js';
import * as utils from '../lib/utils.js';
import {fs} from './utils.js';
const languages = {
'c++': {id: 'c++'},
};
function mockAstOutput(astLines) {
return {stdout: astLines.map(l => ({text: l}))};
}
describe('llvm-ast', () => {
let compilerProps;
let astParser;
let astDump;
let compilerOutput;
let astDumpWithCTime;
let astDumpNestedDecl1346;
beforeAll(() => {
const fakeProps = new properties.CompilerProps(languages, properties.fakeProps({}));
compilerProps = (fakeProps.get as any).bind(fakeProps, 'c++');
astParser = new LlvmAstParser(compilerProps);
astDump = utils.splitLines(fs.readFileSync('test/ast/square.ast').toString());
compilerOutput = mockAstOutput(astDump);
astDumpWithCTime = utils.splitLines(fs.readFileSync('test/ast/ctime.ast').toString());
astDumpNestedDecl1346 = utils.splitLines(fs.readFileSync('test/ast/bug-1346-typedef-struct.ast').toString());
});
it('keeps fewer lines than the original', () => {
const origHeight = astDump.length;
const processed = astParser.processAst(cloneDeep(compilerOutput));
expect(processed.length).toBeLessThan(origHeight);
});
it('removes invalid slocs', () => {
expect(astDump.join('\n')).toMatch(/<invalid sloc>/);
const processed = astParser.processAst(cloneDeep(compilerOutput));
const fullText = processed.map(l => l.text).join('\n');
expect(fullText).not.toMatch(/<invalid sloc>/);
});
it('keeps reasonable-sized output', () => {
expect(astDumpWithCTime.length).toBeGreaterThan(200);
const output = mockAstOutput(astDumpWithCTime);
const processed = astParser.processAst(output);
expect(processed.length).toBeLessThan(200);
});
it('links some source lines', () => {
expect(compilerOutput.stdout.find(l => l.text.match(/col:21, line:4:1/))).toBeTruthy();
expect(compilerOutput.stdout.find(l => l.text.match(/line:3:5, col:18/))).toBeTruthy();
const processed = astParser.processAst(cloneDeep(compilerOutput));
expect(processed.find(l => l.source && 0 < l.source.from.line)).toBeTruthy();
expect(processed.find(l => l.text.match(/col:21, line:4:1/))).toMatchObject({
source: {to: {line: 4, col: 1}, from: {line: 2, col: 21}},
});
expect(processed.find(l => l.text.match(/line:3:5, col:18/))).toMatchObject({
source: {to: {line: 3, col: 18}, from: {line: 3, col: 5}},
});
// Here "from.line" is inherited from the parent "FunctionDecl <<source>:2:1, line:4:1>"
expect(processed.find(l => l.text.match(/CompoundStmt.*<col:21, line:4:1>/))).toMatchObject({
source: {from: {line: 2}},
});
});
it('does not truncate nested declarations', () => {
// See https://github.com/compiler-explorer/compiler-explorer/issues/1346
const output = mockAstOutput(astDumpNestedDecl1346);
const processed = astParser.processAst(output);
expect(processed.length).toBeGreaterThan(2);
expect(processed.find(l => l.text.match(/CXXRecordDecl.*struct x/))).toBeTruthy();
expect(processed.find(l => l.text.match(/TypedefDecl.*struct x/))).toBeTruthy();
expect(processed.find(l => l.text.match(/ElaboratedType/))).toBeTruthy();
expect(processed.find(l => l.text.match(/RecordType/))).toBeTruthy();
expect(processed.find(l => l.text.match(/CXXRecord/))).toBeTruthy();
});
});
describe('llvm-ast bug-3849a', () => {
let compilerProps;
let astParser;
let astDump;
let compilerOutput;
beforeAll(() => {
const fakeProps = new properties.CompilerProps(languages, properties.fakeProps({}));
compilerProps = (fakeProps.get as any).bind(fakeProps, 'c++');
astParser = new LlvmAstParser(compilerProps);
astDump = utils.splitLines(fs.readFileSync('test/ast/bug-3849a.ast').toString());
compilerOutput = mockAstOutput(astDump);
});
it('should have more than 2 lines', () => {
const processed = astParser.processAst(compilerOutput);
expect(processed.length).toBeGreaterThan(2);
});
});
describe('llvm-ast bug-3849b', () => {
let compilerProps;
let astParser;
let astDump;
let compilerOutput;
beforeAll(() => {
const fakeProps = new properties.CompilerProps(languages, properties.fakeProps({}));
compilerProps = (fakeProps.get as any).bind(fakeProps, 'c++');
astParser = new LlvmAstParser(compilerProps);
astDump = utils.splitLines(fs.readFileSync('test/ast/bug-3849b.ast').toString());
compilerOutput = mockAstOutput(astDump);
});
it('should have not too many lines', () => {
const processed = astParser.processAst(compilerOutput);
expect(processed.length).toBeGreaterThan(200);
expect(processed.length).toBeLessThan(300);
});
});
describe('llvm-ast bug-5889', () => {
let compilerProps;
let astParser;
let astDump;
let compilerOutput;
beforeAll(() => {
const fakeProps = new properties.CompilerProps(languages, properties.fakeProps({}));
compilerProps = (fakeProps.get as any).bind(fakeProps, 'c++');
astParser = new LlvmAstParser(compilerProps);
astDump = utils.splitLines(fs.readFileSync('test/ast/bug-5889.ast').toString());
compilerOutput = mockAstOutput(astDump);
});
it('should have not too many lines', () => {
const processed = astParser.processAst(compilerOutput);
expect(processed.length).toBeLessThan(50);
});
});
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