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RedBear-OS/local/recipes/dev/libclc/source/clang/test/Frontend/verify.c
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vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

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// RUN: %clang_cc1 -DTEST1 -verify %s
// RUN: not %clang_cc1 -DTEST2 -verify %s 2>&1 | FileCheck -check-prefix=CHECK2 %s
// RUN: not %clang_cc1 -DTEST3 -verify %s 2>&1 | FileCheck -check-prefix=CHECK3 %s
// RUN: not %clang_cc1 -DTEST4 -verify %s 2>&1 | FileCheck -check-prefix=CHECK4 %s
// RUN: not %clang_cc1 -DTEST5 -verify %s 2>&1 | FileCheck -check-prefix=CHECK5 %s
// expected-warning@ malformed
// expected-error@7 1 {{missing or invalid line number}}
// expected-warning@0 malformed
// expected-error@10 {{missing or invalid line number}}
// expected-warning@-50 malformed
// expected-error@13 {{missing or invalid line number}}
// expected-warning malformed
// expected-error@16 {{cannot find start}}
// expected-error 0+ {{should also be ignored}}
#ifdef TEST1
#if 0
// expected-error {{should be ignored}}
#endif
// eexpected-error {{should also be ignored: unrecognised directive}}
#error should not be ignored
// expected-error@-1 1+ {{should not be ignored}}
#line 90
unexpected a; // expected-error@+0 + {{unknown type}}
#line 60
unexpected b; // expected-error@33 1-1 {{unknown type}}
// expected-error@+2 {{file not found}} check that multi-line handled correctly: \
#include "missing_header_file.include"
#endif
#ifdef TEST2
#define MACRO some_value // expected-error {{define_error}}
#undef MACRO extra_token // expected-warning {{undef_error}}
#line -2 // expected-error {{line_error}}
#error AAA // expected-error {{BBB}} <- this shall be part of diagnostic
#warning CCC // expected-warning {{DDD}} <- this shall be part of diagnostic
#if 0
// This is encapsulated in "#if 0" so that the expected-* checks below
// are not inadvertently included in the diagnostic checking!
// CHECK2: error: 'expected-error' diagnostics expected but not seen:
// CHECK2-NEXT: Line 41: define_error
// CHECK2-NEXT: Line 43: line_error
// CHECK2-NEXT: error: 'expected-error' diagnostics seen but not expected:
// CHECK2-NEXT: Line 43: #line directive requires a positive integer argument
// CHECK2-NEXT: Line 44: AAA // expected-error {{[{][{]BBB[}][}]}} <- this shall be part of diagnostic
// CHECK2-NEXT: error: 'expected-warning' diagnostics expected but not seen:
// CHECK2-NEXT: Line 42: undef_error
// CHECK2-NEXT: error: 'expected-warning' diagnostics seen but not expected:
// CHECK2-NEXT: Line 42: extra tokens at end of #undef directive
// CHECK2-NEXT: Line 45: CCC // expected-warning {{[{][{]DDD[}][}]}} <- this shall be part of diagnostic
// CHECK2-NEXT: 7 errors generated.
#endif
#endif
#ifdef TEST3
#ifndef TEST3 // expected-note {{line_67}}
// expected-note {{line_68_ignored}}
# ifdef UNDEFINED // expected-note {{line_69_ignored}}
# endif // expected-note {{line_70_ignored}}
#elif defined(TEST3) // expected-note {{line_71}}
# if 1 // expected-note {{line_72}}
// expected-note {{line_73}}
# else // expected-note {{line_74}}
// expected-note {{line_75_ignored}}
# ifndef TEST3 // expected-note {{line_76_ignored}}
# endif // expected-note {{line_77_ignored}}
# endif // expected-note {{line_78}}
#endif
// CHECK3: error: 'expected-note' diagnostics expected but not seen:
// CHECK3-NEXT: Line 67: line_67
// CHECK3-NEXT: Line 71: line_71
// CHECK3-NEXT: Line 72: line_72
// CHECK3-NEXT: Line 73: line_73
// CHECK3-NEXT: Line 74: line_74
// CHECK3-NEXT: Line 78: line_78
// CHECK3-NEXT: 6 errors generated.
#endif
#ifdef TEST4
#include "missing_header_file.include" // expected-error {{include_error}}
// CHECK4: error: 'expected-error' diagnostics expected but not seen:
// CHECK4-NEXT: Line 92: include_error
// CHECK4-NEXT: error: 'expected-error' diagnostics seen but not expected:
// CHECK4-NEXT: Line 92: 'missing_header_file.include' file not found
// CHECK4-NEXT: 2 errors generated.
#endif
#ifdef TEST5
#include "verify-directive.h"
// expected-error@50 {{source file test}}
// CHECK5: error: 'expected-error' diagnostics expected but not seen:
// CHECK5-NEXT: Line 1 (directive at {{.*}}verify-directive.h:2): include file test
// CHECK5-NEXT: Line 50 (directive at {{.*}}verify.c:103): source file test
// CHECK5-NEXT: 2 errors generated.
#endif
#if 0
// RUN: not %clang_cc1 -verify %t.invalid 2>&1 | FileCheck -check-prefix=CHECK6 %s
// CHECK6: error: no expected directives found: consider use of 'expected-no-diagnostics'
// CHECK6-NEXT: error: 'expected-error' diagnostics seen but not expected:
// CHECK6-NEXT: (frontend): error reading '{{.*}}verify.c.tmp.invalid'
// CHECK6-NEXT: 2 errors generated.
// RUN: printf '//expected-error@2{{1}}\n#error 2\n' | not %clang_cc1 -verify 2>&1 | FileCheck -check-prefix=CHECK7 %s
// CHECK7: error: 'expected-error' diagnostics expected but not seen:
// CHECK7-NEXT: Line 2 (directive at <stdin>:1): 1
// CHECK7-NEXT: error: 'expected-error' diagnostics seen but not expected:
// CHECK7-NEXT: Line 2: 2
// CHECK7-NEXT: 2 errors generated.
#endif
#ifdef TEST8
// RUN: not %clang_cc1 -DTEST8 -verify %s 2>&1 | FileCheck -check-prefix=CHECK8 %s
// expected-warning@nonexistent-file:1 {{ }}
// expected-error@-1 {{file 'nonexistent-file' could not be located}}
// expected-warning@verify-directive.h: {{ }}
// expected-error@-1 {{missing or invalid line number}}
// expected-warning@verify-directive.h:0 {{ }}
// expected-error@-1 {{missing or invalid line number}}
// expected-warning@verify-directive.h:0*{{ }}
// expected-error@-1 {{missing or invalid line number}}
// expected-warning@verify-directive.h:*0{{ }}
// syntactically ok -- means match in any line for 0 occurrences.
// expected-warning@verify-directive.h:1 {{diagnostic}}
// CHECK8: error: 'expected-warning' diagnostics expected but not seen:
// CHECK8-NEXT: File {{.*}}verify-directive.h Line 1 (directive at {{.*}}verify.c:146): diagnostic
// CHECK8-NEXT: 1 error generated.
#endif
#ifdef TEST9
// RUN: not %clang_cc1 -DTEST9 -verify=what %s 2>&1 | FileCheck -check-prefix=CHECK9 %s
// what-error {{huh?}}
// CHECK9: error: 'what-error' diagnostics expected but not seen:
#endif
#ifdef TEST_WIDE_DELIM
// RUN: not %clang_cc1 -DTEST_WIDE_DELIM -verify %s 2>&1 | FileCheck -check-prefix=CHECK-WIDE-DELIM %s
// expected-error {{{some message with {{}} in it}}}
// expected-error {{{some message with {}} in it}}}
// expected-error {{{some message with {{} in it}}}
// expected-error-re {{{some {{.*}} regex with double braces}}}
// expected-error-re {{{some message with {{} in it}}}
// expected-error {{{mismatched delim}}
// expected-error-re {{{mismatched re {{.*} }}}
// expected-error-re {{{no regex}}}
#if 0
// CHECK-WIDE-DELIM: error: 'expected-error' diagnostics expected but not seen:
// CHECK-WIDE-DELIM-NEXT: verify.c Line 164: some message with {{[{]{}[}]}} in it
// CHECK-WIDE-DELIM-NEXT: verify.c Line 165: some message with {}} in it
// CHECK-WIDE-DELIM-NEXT: verify.c Line 166: some message with {{[{]{[}]}} in it
// CHECK-WIDE-DELIM-NEXT: verify.c Line 168: {some {{.*}} regex with double braces
// CHECK-WIDE-DELIM-NEXT: error: 'expected-error' diagnostics seen but not expected:
// CHECK-WIDE-DELIM-NEXT: verify.c Line 169: cannot find end ('}}') of expected regex
// CHECK-WIDE-DELIM-NEXT: verify.c Line 171: cannot find end ('}}}') of expected string
// CHECK-WIDE-DELIM-NEXT: verify.c Line 172: cannot find end ('}}') of expected regex
// CHECK-WIDE-DELIM-NEXT: verify.c Line 173: cannot find start of regex ('{{[{][{]}}') in {no regex
// CHECK-WIDE-DELIM-NEXT: 8 errors generated.
#endif
#endif
#ifdef TEST10
// RUN: not %clang_cc1 -DTEST10 -verify=foo %s 2>&1 | FileCheck -check-prefix=CHECK10 %s
// CHECK10: error: no expected directives found: consider use of 'foo-no-diagnostics'
#endif
#ifdef TEST11
// RUN: not %clang_cc1 -DTEST11 -verify=foo %s 2>&1 | FileCheck -check-prefix=CHECK11 %s
// foo-no-diagnostics
// foo-note {{}}
// CHECK11: error: 'foo-error' diagnostics seen but not expected:
// CHECK11-NEXT: Line 201: 'foo-note' directive cannot follow 'foo-no-diagnostics' directive
// CHECK11-NEXT: 1 error generated.
#endif
#ifdef TEST12
// RUN: not %clang_cc1 -DTEST12 -verify=foo %s 2>&1 | FileCheck -check-prefix=CHECK12 %s
#warning X
// foo-warning@-1 {{X}}
// foo-no-diagnostics
// CHECK12: error: 'foo-error' diagnostics seen but not expected:
// CHECK12-NEXT: Line 213: 'foo-no-diagnostics' directive cannot follow other expected directives
// CHECK12-NEXT: 1 error generated.
#endif
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