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Use C11 char16_t and char32_t for Unicode code points.

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Reviewed-by: Tatsuo Ishii <ishii@postgresql.org>
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/bedcc93d06203dfd89815b10f815ca2de8626e85.camel%40j-davis.com
This commit is contained in:
Jeff Davis
2025-10-29 14:17:13 -07:00
parent 16edc1b94f
commit 3853a6956c
29 changed files with 284 additions and 244 deletions
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8
src/backend/parser/parser.c
View File

@@ -339,7 +339,7 @@ hexval(unsigned char c)
/* is Unicode code point acceptable? */
static void
check_unicode_value(pg_wchar c)
check_unicode_value(char32_t c)
{
if (!is_valid_unicode_codepoint(c))
ereport(ERROR,
@@ -376,7 +376,7 @@ str_udeescape(const char *str, char escape,
char *new,
*out;
size_t new_len;
pg_wchar pair_first = 0;
char16_t pair_first = 0;
ScannerCallbackState scbstate;
/*
@@ -420,7 +420,7 @@ str_udeescape(const char *str, char escape,
isxdigit((unsigned char) in[3]) &&
isxdigit((unsigned char) in[4]))
{
pg_wchar unicode;
char32_t unicode;
unicode = (hexval(in[1]) << 12) +
(hexval(in[2]) << 8) +
@@ -457,7 +457,7 @@ str_udeescape(const char *str, char escape,
isxdigit((unsigned char) in[6]) &&
isxdigit((unsigned char) in[7]))
{
pg_wchar unicode;
char32_t unicode;
unicode = (hexval(in[2]) << 20) +
(hexval(in[3]) << 16) +

8
src/backend/parser/scan.l
View File

@@ -121,7 +121,7 @@ static void addlitchar(unsigned char ychar, core_yyscan_t yyscanner);
static char *litbufdup(core_yyscan_t yyscanner);
static unsigned char unescape_single_char(unsigned char c, core_yyscan_t yyscanner);
static int process_integer_literal(const char *token, YYSTYPE *lval, int base);
static void addunicode(pg_wchar c, yyscan_t yyscanner);
static void addunicode(char32_t c, yyscan_t yyscanner);
#define yyerror(msg) scanner_yyerror(msg, yyscanner)
@@ -640,7 +640,7 @@ other .
addlit(yytext, yyleng, yyscanner);
}
<xe>{xeunicode} {
pg_wchar c = strtoul(yytext + 2, NULL, 16);
char32_t c = strtoul(yytext + 2, NULL, 16);
/*
* For consistency with other productions, issue any
@@ -668,7 +668,7 @@ other .
POP_YYLLOC();
}
<xeu>{xeunicode} {
pg_wchar c = strtoul(yytext + 2, NULL, 16);
char32_t c = strtoul(yytext + 2, NULL, 16);
/* Remember start of overall string token ... */
PUSH_YYLLOC();
@@ -1376,7 +1376,7 @@ process_integer_literal(const char *token, YYSTYPE *lval, int base)
}
static void
addunicode(pg_wchar c, core_yyscan_t yyscanner)
addunicode(char32_t c, core_yyscan_t yyscanner)
{
ScannerCallbackState scbstate;
char buf[MAX_UNICODE_EQUIVALENT_STRING + 1];