1 files changed, 101 insertions, 0 deletions
diff --git a/third_party/python/aiohttp/vendor/llhttp/bin/generate.ts b/third_party/python/aiohttp/vendor/llhttp/bin/generate.ts
new file mode 100755
index 0000000000..cb0d8c74dd
--- /dev/null
+++ b/third_party/python/aiohttp/vendor/llhttp/bin/generate.ts
@@ -0,0 +1,101 @@
+#!/usr/bin/env -S npx ts-node
+import * as fs from 'fs';
+import { LLParse } from 'llparse';
+import * as path from 'path';
+import * as semver from 'semver';
+
+import * as llhttp from '../src/llhttp';
+
+const pkgFile = path.join(__dirname, '..', 'package.json');
+const pkg = JSON.parse(fs.readFileSync(pkgFile).toString());
+
+const BUILD_DIR = path.join(__dirname, '..', 'build');
+const C_DIR = path.join(BUILD_DIR, 'c');
+const SRC_DIR = path.join(__dirname, '..', 'src');
+
+const C_FILE = path.join(C_DIR, 'llhttp.c');
+const HEADER_FILE = path.join(BUILD_DIR, 'llhttp.h');
+
+for (const dir of [ BUILD_DIR, C_DIR ]) {
+  try {
+    fs.mkdirSync(dir);
+  } catch (e) {
+    // no-op
+  }
+}
+
+function build(mode: 'strict' | 'loose') {
+  const llparse = new LLParse('llhttp__internal');
+  const instance = new llhttp.HTTP(llparse, mode);
+
+  return llparse.build(instance.build().entry, {
+    c: {
+      header: 'llhttp',
+    },
+    debug: process.env.LLPARSE_DEBUG ? 'llhttp__debug' : undefined,
+    headerGuard: 'INCLUDE_LLHTTP_ITSELF_H_',
+  });
+}
+
+function guard(strict: string, loose: string): string {
+  let out = '';
+
+  if (strict === loose) {
+    return strict;
+  }
+
+  out += '#if LLHTTP_STRICT_MODE\n';
+  out += '\n';
+  out += strict + '\n';
+  out += '\n';
+  out += '#else  /* !LLHTTP_STRICT_MODE */\n';
+  out += '\n';
+  out += loose + '\n';
+  out += '\n';
+  out += '#endif  /* LLHTTP_STRICT_MODE */\n';
+
+  return out;
+}
+
+const artifacts = {
+  loose: build('loose'),
+  strict: build('strict'),
+};
+
+let headers = '';
+
+headers += '#ifndef INCLUDE_LLHTTP_H_\n';
+headers += '#define INCLUDE_LLHTTP_H_\n';
+
+headers += '\n';
+
+const version = semver.parse(pkg.version)!;
+
+headers += `#define LLHTTP_VERSION_MAJOR ${version.major}\n`;
+headers += `#define LLHTTP_VERSION_MINOR ${version.minor}\n`;
+headers += `#define LLHTTP_VERSION_PATCH ${version.patch}\n`;
+headers += '\n';
+
+headers += '#ifndef LLHTTP_STRICT_MODE\n';
+headers += '# define LLHTTP_STRICT_MODE 0\n';
+headers += '#endif\n';
+headers += '\n';
+
+const cHeaders = new llhttp.CHeaders();
+
+headers += guard(artifacts.strict.header, artifacts.loose.header);
+
+headers += '\n';
+
+headers += cHeaders.build();
+
+headers += '\n';
+
+headers += fs.readFileSync(path.join(SRC_DIR, 'native', 'api.h'));
+
+headers += '\n';
+headers += '#endif  /* INCLUDE_LLHTTP_H_ */\n';
+
+fs.writeFileSync(C_FILE,
+  guard(artifacts.strict.c || '', artifacts.loose.c || ''));
+fs.writeFileSync(HEADER_FILE, headers);