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flex code modernization: Replace YY_EXTRA_TYPE define with flex option

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Replace #define YY_EXTRA_TYPE with %option extra-type.  The latter is
the way recommended by the flex manual (available since flex 2.5.34).

Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://www.postgresql.org/message-id/flat/eb6faeac-2a8a-4b69-9189-c33c520e5b7b@eisentraut.org
This commit is contained in:
Peter Eisentraut
2025-01-06 09:47:58 +01:00
parent 632384d0eb
commit b1ef48980d
6 changed files with 16 additions and 21 deletions
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7
src/backend/parser/scan.l
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@ -89,12 +89,6 @@ const uint16 ScanKeywordTokens[] = {
*/
#define YYSTYPE core_YYSTYPE
/*
* Set the type of yyextra. All state variables used by the scanner should
* be in yyextra, *not* statically allocated.
*/
#define YY_EXTRA_TYPE core_yy_extra_type *
/*
* Each call to yylex must set yylloc to the location of the found token
* (expressed as a byte offset from the start of the input text).
@ -161,6 +155,7 @@ extern void core_yyset_column(int column_no, yyscan_t yyscanner);
%option noyyfree
%option warn
%option prefix="core_yy"
%option extra-type="core_yy_extra_type *"
/*
* OK, here is a short description of lex/flex rules behavior.