1 files changed, 47 insertions, 0 deletions
diff --git a/llparse/src/api.ts b/llparse/src/api.ts
new file mode 100644
index 0000000..a34f5bc
--- /dev/null
+++ b/llparse/src/api.ts
@@ -0,0 +1,47 @@
+import * as frontend from 'llparse-frontend';
+
+import source = frontend.source;
+
+import { Compiler, ICompilerOptions, ICompilerResult } from './compiler';
+
+export { source, ICompilerOptions, ICompilerResult };
+
+// TODO(indutny): API for disabling/short-circuiting spans
+
+/**
+ * LLParse graph builder and compiler.
+ */
+export class LLParse extends source.Builder {
+  /**
+   * The prefix controls the names of methods and state struct in generated
+   * public C headers:
+   *
+   * ```c
+   * // state struct
+   * struct PREFIX_t {
+   *   ...
+   * }
+   *
+   * int PREFIX_init(PREFIX_t* state);
+   * int PREFIX_execute(PREFIX_t* state, const char* p, const char* endp);
+   * ```
+   *
+   * @param prefix  Prefix to be used when generating public API.
+   */
+  constructor(private readonly prefix: string = 'llparse') {
+    super();
+  }
+
+  /**
+   * Compile LLParse graph to the C code and C headers
+   *
+   * @param root  Root node of the parse graph (see `.node()`)
+   * @param options Compiler options.
+   */
+  public build(root: source.node.Node, options: ICompilerOptions = {})
+    : ICompilerResult {
+    const c = new Compiler(this.prefix, options);
+
+    return c.compile(root, this.properties);
+  }
+}