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Return yyparse() result not via global variable

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Instead of passing the parse result from yyparse() via a global
variable, pass it via a function output argument.

This complements earlier work to make the parsers reentrant.

Discussion: Discussion: https://www.postgresql.org/message-id/flat/eb6faeac-2a8a-4b69-9189-c33c520e5b7b@eisentraut.org
This commit is contained in:
Peter Eisentraut
2025-01-24 06:55:39 +01:00
parent 6fc4fc42da
commit 473a575e05
18 changed files with 106 additions and 101 deletions
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10
src/include/replication/syncrep.h
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@@ -73,10 +73,6 @@ typedef struct SyncRepConfigData
extern PGDLLIMPORT SyncRepConfigData *SyncRepConfig;
/* communication variables for parsing synchronous_standby_names GUC */
extern PGDLLIMPORT SyncRepConfigData *syncrep_parse_result;
extern PGDLLIMPORT char *syncrep_parse_error_msg;
/* user-settable parameters for synchronous replication */
extern PGDLLIMPORT char *SyncRepStandbyNames;
@@ -105,9 +101,9 @@ union YYSTYPE;
#define YY_TYPEDEF_YY_SCANNER_T
typedef void *yyscan_t;
#endif
extern int syncrep_yyparse(yyscan_t yyscanner);
extern int syncrep_yylex(union YYSTYPE *yylval_param, yyscan_t yyscanner);
extern void syncrep_yyerror(yyscan_t yyscanner, const char *str);
extern int syncrep_yyparse(SyncRepConfigData **syncrep_parse_result_p, char **syncrep_parse_error_msg_p, yyscan_t yyscanner);
extern int syncrep_yylex(union YYSTYPE *yylval_param, char **syncrep_parse_error_msg_p, yyscan_t yyscanner);
extern void syncrep_yyerror(SyncRepConfigData **syncrep_parse_result_p, char **syncrep_parse_error_msg_p, yyscan_t yyscanner, const char *str);
extern void syncrep_scanner_init(const char *str, yyscan_t *yyscannerp);
extern void syncrep_scanner_finish(yyscan_t yyscanner);

6
src/include/replication/walsender_private.h
View File

@@ -130,13 +130,11 @@ union YYSTYPE;
#define YY_TYPEDEF_YY_SCANNER_T
typedef void *yyscan_t;
#endif
extern int replication_yyparse(yyscan_t yyscanner);
extern int replication_yyparse(Node **replication_parse_result_p, yyscan_t yyscanner);
extern int replication_yylex(union YYSTYPE *yylval_param, yyscan_t yyscanner);
extern void replication_yyerror(yyscan_t yyscanner, const char *message) pg_attribute_noreturn();
extern void replication_yyerror(Node **replication_parse_result_p, yyscan_t yyscanner, const char *message) pg_attribute_noreturn();
extern void replication_scanner_init(const char *str, yyscan_t *yyscannerp);
extern void replication_scanner_finish(yyscan_t yyscanner);
extern bool replication_scanner_is_replication_command(yyscan_t yyscanner);
extern PGDLLIMPORT Node *replication_parse_result;
#endif /* _WALSENDER_PRIVATE_H */