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-rw-r--r--src/include/utils/jsonpath_scanner.h32
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diff --git a/src/include/utils/jsonpath_scanner.h b/src/include/utils/jsonpath_scanner.h
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+++ b/src/include/utils/jsonpath_scanner.h
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+/*-------------------------------------------------------------------------
+ *
+ * jsonpath_scanner.h
+ * Definitions for jsonpath scanner & parser
+ *
+ * Portions Copyright (c) 2019, PostgreSQL Global Development Group
+ *
+ * src/include/utils/jsonpath_scanner.h
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef JSONPATH_SCANNER_H
+#define JSONPATH_SCANNER_H
+
+/* struct string is shared between scan and gram */
+typedef struct string
+{
+ char *val;
+ int len;
+ int total;
+} string;
+
+#include "utils/jsonpath.h"
+#include "utils/jsonpath_gram.h"
+
+/* flex 2.5.4 doesn't bother with a decl for this */
+extern int jsonpath_yylex(YYSTYPE *yylval_param);
+extern int jsonpath_yyparse(JsonPathParseResult **result);
+extern void jsonpath_yyerror(JsonPathParseResult **result, const char *message);
+
+#endif