75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
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import * as FS from "fs";
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import * as Path from "path";
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import {
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EnumDefinition,
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IR,
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ServiceDefinition,
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Step,
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TypeDefinition,
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} from "./ir";
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export abstract class CompileTarget {
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abstract name: string;
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constructor(private outputFolder: string) {
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if (!FS.existsSync(outputFolder)) {
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FS.mkdirSync(outputFolder, {
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recursive: true,
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});
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}
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}
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abstract start(): void;
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abstract generateType(definition: TypeDefinition): void;
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abstract generateEnum(definition: EnumDefinition): void;
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abstract generateService(definition: ServiceDefinition): void;
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abstract finalize(steps: Step[]): void;
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protected writeFile(name: string, content: string | Promise<string>) {
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if (content instanceof Promise) {
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content.then((res) =>
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FS.writeFileSync(Path.join(this.outputFolder, name), res)
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);
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} else {
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FS.writeFileSync(Path.join(this.outputFolder, name), content);
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}
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}
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protected getTemplate(name: string): string {
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let path = Path.join(__dirname, "../templates/" + name);
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let file = FS.readFileSync(path, "utf-8");
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const splitted = file.split("\n");
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let res = [];
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let ignore = false;
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for (const line of splitted) {
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if (ignore) {
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ignore = false;
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} else if (line.trim().startsWith("//@template-ignore")) {
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ignore = true;
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} else {
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res.push(line);
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}
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}
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return res.join("\n");
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}
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}
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export default function compile(ir: IR, target: CompileTarget) {
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// Types are verified. They are now ready to be compiled to targets
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// setState("Building for target: " + target.name);
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ir.forEach((step) => {
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const [type, def] = step;
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if (type == "type") target.generateType(def as TypeDefinition);
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else if (type == "enum") target.generateEnum(def as EnumDefinition);
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else if (type == "service")
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target.generateService(def as ServiceDefinition);
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});
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if (target.finalize) target.finalize(ir);
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}
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