62 lines
1.8 KiB
TypeScript
62 lines
1.8 KiB
TypeScript
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import path from "path";
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import fs from "fs"
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import { parseSourceFile } from ".";
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import { SourceFile, TextFile } from "./cst";
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import { ConsoleDiagnostics, Diagnostics } from "./diagnostics";
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import { Checker } from "./checker";
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import { Analyser } from "./analysis";
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import { generateCode } from "./codegen";
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import { CEmitter } from "./cast";
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export class Program {
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private sourceFilesByPath = new Map<string, SourceFile>();
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private analyser = new Analyser();
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public constructor(
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public fileNames: string[],
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public diagnostics: Diagnostics = new ConsoleDiagnostics(),
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) {
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for (const fileName of fileNames) {
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const realPath = path.resolve(fileName);
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const text = fs.readFileSync(realPath, 'utf-8');
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const file = new TextFile(fileName, text);
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const sourceFile = parseSourceFile(file, diagnostics);
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if (sourceFile !== null) {
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this.sourceFilesByPath.set(realPath, sourceFile);
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this.analyser.addSourceFile(sourceFile);
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}
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}
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}
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public getSourceFiles(): Iterable<SourceFile> {
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return this.sourceFilesByPath.values();
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}
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public check(): void {
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const checker = new Checker(this.analyser, this.diagnostics);
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for (const sourceFile of this.getSourceFiles()) {
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checker.check(sourceFile);
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}
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}
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public emit(): void {
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for (const [filePath, sourceFile] of this.sourceFilesByPath) {
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const file = fs.createWriteStream(stripExtension(filePath) + '.c', 'utf-8');
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const emitter = new CEmitter(file);
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emitter.emit(generateCode(sourceFile));
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}
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}
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}
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function stripExtension(filepath: string): string {
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const basename = path.basename(filepath);
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const i = basename.lastIndexOf('.');
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if (i === -1) {
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return filepath;
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}
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return path.join(path.dirname(filepath), basename.substring(0, i));
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}
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