Feb 15th 2023 update

external/graphqlparser/GraphQLParser.h

@@ -0,0 +1,55 @@
+/**
+ * Copyright 2019-present, GraphQL Foundation
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+/**
+ * The purpose of this file is to provide a nice interface to parsing
+ * GraphQL, rather than the old-fashioned interface provided by bison
+ * and flex.
+ */
+
+#pragma once
+
+#include <memory>
+#include <stdio.h>
+
+namespace facebook {
+namespace graphql {
+
+namespace ast {
+  class Node;
+}
+
+/**
+ * Parse the given GraphQL source string, returning an AST. Returns
+ * nullptr on error and, if error is not null, places a string
+ * describing what went wrong in error that must be freed with free(3).
+ */
+std::unique_ptr<ast::Node> parseString(const char *text, const char **error);
+
+/**
+ * Like parseString, but enables support for the experimental type
+ * definition syntax from https://github.com/facebook/graphql/pull/90 .
+ */
+std::unique_ptr<ast::Node> parseStringWithExperimentalSchemaSupport(
+  const char *text, const char **error);
+
+/**
+ * Read and parse GraphQL source from the given file, returning an
+ * AST. Returns nullptr on error and, if error is not null, places an
+ * error string in error that must be freed with free(3).
+ */
+std::unique_ptr<ast::Node> parseFile(FILE *file, const char **error);
+
+/**
+ * Like parseFile, but enables support for the experimental type
+ * definition syntax from https://github.com/facebook/graphql/pull/90 .
+ */
+std::unique_ptr<ast::Node> parseFileWithExperimentalSchemaSupport(
+  FILE *file, const char **error);
+
+}
+}