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Silence clang compiler warning: unannotated fall-through between switch labels#789

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Merged
NWilson merged 18 commits intoPCRE2Project:masterfromGsus42:master
Sep 12, 2025
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5cd8f35
UPDATE: silence clang warning: unannotated fall-through between switc…
Sep 3, 2025
deb1078
UPDATE: check whether compiler supports __attribute__((fallthrough)) …
Sep 3, 2025
eb48177
Revert "UPDATE: check whether compiler supports __attribute__((fallth…
Sep 3, 2025
2f07842
UPDATE: introduce PCRE2_FALLTHROUGH macro to allow portable annotatio…
Sep 3, 2025
db25c8b
UPDATE: fix comment.
Sep 3, 2025
bd6fdc0
UPDATE: point out to use the define in conjunction with a comment (I …
Sep 3, 2025
04f83d2
UPDATE: use C comments. also add that explictly to the comment on how…
Sep 3, 2025
38a5f1c
UPDATE: use single line comment to show an example usage.
Sep 3, 2025
ddb0040
UPDATE: add -Wimplicit-fallthrough. I hope this is the correct spot t…
Sep 3, 2025
7a2c156
UPDATE: introduce __has_c_attribute to check whether compiler support…
Sep 3, 2025
1f8a83f
UPDATE: check the C standard version. replace [[fallthrough]] by [[__…
Sep 3, 2025
9a72a66
UPDATE: use underscored version of fallthrough attribute. mind that i…
Sep 3, 2025
4240786
UPDATE: first test C standard version then check for __fallthrough__ …
Sep 3, 2025
53f1896
UPDATE: add missing PCRE2_FALLTHROUGH for JIT compiler.
Sep 3, 2025
e666bb1
UPDATE: add further missing PCRE2_FALLTHROUGH for JIT compiler.
Sep 3, 2025
6a67aa2
UPDATE: (try to) fix compile issue of manyconfig test.
Sep 4, 2025
3c10689
Merge remote-tracking branch 'origin/master' into Gsus42-change
NWilsonSep 12, 2025
4a87255
Update with further changes from the sljit PRs
NWilsonSep 12, 2025
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UPDATE: add missing PCRE2_FALLTHROUGH for JIT compiler.
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Gernot Gebhard committedSep 3, 2025
commit53f1896ea7411dbb3442758e566fea8549e382cd
4 changes: 2 additions & 2 deletionssrc/pcre2_jit_char_inc.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -570,7 +570,7 @@ while (*cc == XCL_PROP || *cc == XCL_NOTPROP)
break;
}
compares++;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case PT_SC:
status |= XCLASS_HAS_SCRIPT;
Expand DownExpand Up@@ -770,7 +770,7 @@ if (status & XCLASS_NEEDS_UCD)
case PT_SCX:
if (cc[-1] == XCL_NOTPROP)
break;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case PT_SC:
compares--;
Expand Down
26 changes: 13 additions & 13 deletionssrc/pcre2_jit_compile.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -1245,7 +1245,7 @@ while (cc < ccend)
case OP_DNREFI:
case OP_DNREF:
locals_size = ref_update_local_size(common, cc, locals_size);
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_DNCREF:
count = GET2(cc, 1 + IMM2_SIZE);
slot = common->name_table + GET2(cc, 1) * common->name_entry_size;
Expand DownExpand Up@@ -1334,7 +1334,7 @@ while (cc < ccend)
if (common->utf && locals_size <= 3 * SSIZE_OF(sw))
locals_size = 3 * SSIZE_OF(sw);
#endif
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
default:
cc = next_opcode(common, cc);
if (cc == NULL)
Expand DownExpand Up@@ -1483,7 +1483,7 @@ do
case OP_TYPEMINPLUS:
if (count == 2)
count = 3;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case OP_TYPESTAR:
case OP_TYPEPLUS:
Expand DownExpand Up@@ -1512,7 +1512,7 @@ do
case OP_TYPEMINUPTO:
case OP_TYPEPOSUPTO:
cc += IMM2_SIZE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case OP_TYPEQUERY:
case OP_TYPEMINQUERY:
Expand All@@ -1533,7 +1533,7 @@ do
case OP_NOTMINPLUSI:
if (count == 2)
count = 3;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case OP_STAR:
case OP_PLUS:
Expand DownExpand Up@@ -1586,7 +1586,7 @@ do
case OP_NOTEXACTI:
case OP_NOTPOSUPTOI:
cc += IMM2_SIZE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case OP_QUERY:
case OP_MINQUERY:
Expand DownExpand Up@@ -1626,7 +1626,7 @@ do
case OP_CRMINPLUS:
if (count == 2)
count = 3;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */

case OP_CRSTAR:
case OP_CRPLUS:
Expand All@@ -1648,7 +1648,7 @@ do
}

cc += 2 * IMM2_SIZE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_CRQUERY:
case OP_CRMINQUERY:
case OP_CRPOSQUERY:
Expand DownExpand Up@@ -5947,7 +5947,7 @@ while (TRUE)
{
case OP_CHARI:
caseless = TRUE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_CHAR:
last = FALSE;
cc++;
Expand DownExpand Up@@ -5984,7 +5984,7 @@ while (TRUE)
case OP_MINPLUSI:
case OP_POSPLUSI:
caseless = TRUE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_PLUS:
case OP_MINPLUS:
case OP_POSPLUS:
Expand All@@ -5993,7 +5993,7 @@ while (TRUE)

case OP_EXACTI:
caseless = TRUE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_EXACT:
repeat = GET2(cc, 1);
last = FALSE;
Expand All@@ -6004,7 +6004,7 @@ while (TRUE)
case OP_MINQUERYI:
case OP_POSQUERYI:
caseless = TRUE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_QUERY:
case OP_MINQUERY:
case OP_POSQUERY:
Expand DownExpand Up@@ -6219,7 +6219,7 @@ while (TRUE)
case OP_CRMINQUERY:
case OP_CRPOSQUERY:
last = FALSE;
/* Fall through */
PCRE2_FALLTHROUGH;/* Fall through */
case OP_CRSTAR:
case OP_CRMINSTAR:
case OP_CRPOSSTAR:
Expand Down
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