817550919e
Currently if a lexically-valid UCN encodes an invalid codepoint, then we
diagnose that, and then hit an assertion while trying to decode it.
Since there isn't anything preventing us reaching this state, remove the
assertion. expandUCNs("X\UAAAAAAAAY") will produce "XY".
Differential Revision: https://reviews.llvm.org/D125059
84 lines
3.4 KiB
C
84 lines
3.4 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -x c++ -std=c++11 %s
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// RUN: %clang_cc1 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
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// RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
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// This file contains Unicode characters; please do not "fix" them!
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extern int x; // expected-warning {{treating Unicode character as whitespace}}
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extern int x; // expected-warning {{treating Unicode character as whitespace}}
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// CHECK: extern int {{x}}
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// CHECK: extern int {{x}}
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#pragma mark ¡Unicode!
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#define COPYRIGHT Copyright © 2012
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#define XSTR(X) #X
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#define STR(X) XSTR(X)
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static const char *copyright = STR(COPYRIGHT); // no-warning
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// CHECK: static const char *copyright = "Copyright © {{2012}}";
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#if PP_ONLY
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COPYRIGHT
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// CHECK: Copyright © {{2012}}
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CHECK : The preprocessor should not complain about Unicode characters like ©.
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#endif
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int _;
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extern int X\UAAAAAAAA; // expected-error {{not allowed in an identifier}}
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int Y = '\UAAAAAAAA'; // expected-error {{invalid universal character}}
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#ifdef __cplusplus
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extern int ༀ;
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extern int 𑩐;
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extern int 𐠈;
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extern int ꙮ;
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extern int \u1B4C; // BALINESE LETTER ARCHAIC JNYA - Added in Unicode 14
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extern int \U00016AA2; // TANGSA LETTER GA - Added in Unicode 14
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// This character doesn't have the XID_Start property
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extern int \U00016AC0; // TANGSA DIGIT ZERO // expected-error {{expected unqualified-id}}
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extern int _\U00016AC0; // TANGSA DIGIT ZERO
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extern int 🌹; // expected-error {{unexpected character <U+1F339>}} \
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expected-warning {{declaration does not declare anything}}
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extern int 👷; // expected-error {{unexpected character <U+1F477>}} \
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expected-warning {{declaration does not declare anything}}
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extern int 👷♀; // expected-warning {{declaration does not declare anything}} \
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expected-error {{unexpected character <U+1F477>}} \
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expected-error {{unexpected character <U+200D>}} \
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expected-error {{unexpected character <U+2640>}}
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#else
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// A 🌹 by any other name....
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extern int 🌹;
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int 🌵(int 🌻) { return 🌻+ 1; }
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int main (void) {
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int 🌷 = 🌵(🌹);
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return 🌷;
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}
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int n; = 3; // expected-warning {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}}
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int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as identifier character rather than as ':' symbol}}
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// expected-warning@-1 {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}}
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int v＝［＝］（auto）｛return～x；｝（）; // expected-warning 12{{treating Unicode character}}
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int xx;
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// expected-warning@-1 {{identifier contains Unicode character <U+2060> that is invisible in some environments}}
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// expected-warning@-2 {{identifier contains Unicode character <U+FEFF> that is invisible in some environments}}
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// expected-warning@-3 {{identifier contains Unicode character <U+200D> that is invisible in some environments}}
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int foobar = 0; // expected-warning {{identifier contains Unicode character <U+200B> that is invisible in some environments}}
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int x = foobar; // expected-error {{undeclared identifier}}
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int ∣foo; // expected-error {{unexpected character <U+2223>}}
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#ifndef PP_ONLY
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#define ∶ x // expected-error {{macro name must be an identifier}}
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#endif
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#endif
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