Feb 15th 2023 update

external/graphqlparser/dump_json_ast.cpp

@@ -0,0 +1,48 @@
+/**
+ * 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.
+ */
+
+#include "AstNode.h"
+#include "GraphQLParser.h"
+#include "c/GraphQLAstToJSON.h"
+
+#include <cstdio>
+#include <cstdlib>
+#include <iostream>
+
+
+using std::cout;
+using std::cerr;
+using std::endl;
+using std::fopen;
+using std::fclose;
+using std::free;
+
+
+int main(int argc, char **argv) {
+  const char *error;
+  FILE * in;
+  if (argc > 1) {
+    in = fopen(argv[1], "r"); // NOLINT
+  } else {
+    in = stdin;
+  }
+  auto AST = facebook::graphql::parseFile(in, &error);
+  if (argc > 1) {
+    fclose(in);
+  }
+  if (!AST) {
+    cerr << "Parser failed with error: " << error << endl;
+    free((void *)error);  // NOLINT
+    return 1;
+  }
+
+  const char *json = graphql_ast_to_json(reinterpret_cast<const struct GraphQLAstNode *>(AST.get()));
+  puts(json);
+  free((void *)json);  // NOLINT
+
+  return 0;
+}