cor3ntin updated this revision to Diff 447051.
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Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D130416/new/
https://reviews.llvm.org/D130416
Files:
clang/docs/ReleaseNotes.rst
clang/lib/Lex/Lexer.cpp
clang/test/Lexer/unicode.c
clang/www/c_status.html
Index: clang/www/c_status.html
===================================================================
--- clang/www/c_status.html
+++ clang/www/c_status.html
@@ -1024,7 +1024,7 @@
<tr>
<td>Identifier Syntax using Unicode Standard Annex 31</td>
<td><a
href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2836.pdf";>N2836</a></td>
- <td class="none" align="center">No</td>
+ <td class="unreleased" align="center">Clang 15</td>
</tr>
<tr>
<td>No function declarators without prototypes</td>
Index: clang/test/Lexer/unicode.c
===================================================================
--- clang/test/Lexer/unicode.c
+++ clang/test/Lexer/unicode.c
@@ -1,5 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s
-// RUN: %clang_cc1 -fsyntax-only -verify -x c++ -std=c++11 %s
+// RUN: %clang_cc1 -fsyntax-only -verify=expected,c2x -x c -std=c2x %s
+// RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx -x c++ -std=c++11 %s
// RUN: %clang_cc1 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s
--strict-whitespace
// RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
@@ -31,7 +32,7 @@
extern int X\UAAAAAAAA; // expected-error {{not allowed in an identifier}}
int Y = '\UAAAAAAAA'; // expected-error {{invalid universal character}}
-#ifdef __cplusplus
+#if defined(__cplusplus) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >=
202000L)
extern int ༀ;
extern int 𑩐;
@@ -46,7 +47,8 @@
// This character doesn't have the XID_Start property
-extern int \U00016AC0; // TANGSA DIGIT ZERO // expected-error {{expected
unqualified-id}}
+extern int \U00016AC0; // TANGSA DIGIT ZERO // cxx-error {{expected
unqualified-id}} \
+ // c2x-error {{expected
identifier or '('}}
extern int 🌹; // expected-error {{unexpected character <U+1F339>}} \
expected-warning {{declaration does not declare anything}}
Index: clang/lib/Lex/Lexer.cpp
===================================================================
--- clang/lib/Lex/Lexer.cpp
+++ clang/lib/Lex/Lexer.cpp
@@ -1462,11 +1462,11 @@
return false;
} else if (LangOpts.DollarIdents && '$' == C) {
return true;
- } else if (LangOpts.CPlusPlus) {
+ } else if (LangOpts.CPlusPlus || LangOpts.C2x) {
// A non-leading codepoint must have the XID_Continue property.
// XIDContinueRanges doesn't contains characters also in XIDStartRanges,
// so we need to check both tables.
- // '_' doesn't have the XID_Continue property but is allowed in C++.
+ // '_' doesn't have the XID_Continue property but is allowed in C an C++.
static const llvm::sys::UnicodeCharSet XIDStartChars(XIDStartRanges);
static const llvm::sys::UnicodeCharSet XIDContinueChars(XIDContinueRanges);
return C == '_' || XIDStartChars.contains(C) ||
@@ -1486,7 +1486,7 @@
if (LangOpts.AsmPreprocessor) {
return false;
}
- if (LangOpts.CPlusPlus) {
+ if (LangOpts.CPlusPlus || LangOpts.C2x) {
static const llvm::sys::UnicodeCharSet XIDStartChars(XIDStartRanges);
// '_' doesn't have the XID_Start property but is allowed in C++.
return C == '_' || XIDStartChars.contains(C);
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -469,6 +469,7 @@
support for functions without prototypes, which no longer exist in C2x.
- Implemented `WG14 N2841 No function declarators without prototypes
<https://www9.open-std.org/jtc1/sc22/wg14/www/docs/n2841.htm>`_
and `WG14 N2432 Remove support for function definitions with identifier
lists <https://www9.open-std.org/jtc1/sc22/wg14/www/docs/n2432.pdf>`_.
+- Implemented `WG14 N2836 Identifier Syntax using Unicode Standard Annex 31
<https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2836.pdf>`_.
C++ Language Changes in Clang
-----------------------------
Index: clang/www/c_status.html
===================================================================
--- clang/www/c_status.html
+++ clang/www/c_status.html
@@ -1024,7 +1024,7 @@
<tr>
<td>Identifier Syntax using Unicode Standard Annex 31</td>
<td><a href="https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2836.pdf";>N2836</a></td>
- <td class="none" align="center">No</td>
+ <td class="unreleased" align="center">Clang 15</td>
</tr>
<tr>
<td>No function declarators without prototypes</td>
Index: clang/test/Lexer/unicode.c
===================================================================
--- clang/test/Lexer/unicode.c
+++ clang/test/Lexer/unicode.c
@@ -1,5 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s
-// RUN: %clang_cc1 -fsyntax-only -verify -x c++ -std=c++11 %s
+// RUN: %clang_cc1 -fsyntax-only -verify=expected,c2x -x c -std=c2x %s
+// RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx -x c++ -std=c++11 %s
// RUN: %clang_cc1 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
// RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
@@ -31,7 +32,7 @@
extern int X\UAAAAAAAA; // expected-error {{not allowed in an identifier}}
int Y = '\UAAAAAAAA'; // expected-error {{invalid universal character}}
-#ifdef __cplusplus
+#if defined(__cplusplus) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202000L)
extern int à¼;
extern int ð©;
@@ -46,7 +47,8 @@
// This character doesn't have the XID_Start property
-extern int \U00016AC0; // TANGSA DIGIT ZERO // expected-error {{expected unqualified-id}}
+extern int \U00016AC0; // TANGSA DIGIT ZERO // cxx-error {{expected unqualified-id}} \
+ // c2x-error {{expected identifier or '('}}
extern int ð¹; // expected-error {{unexpected character <U+1F339>}} \
expected-warning {{declaration does not declare anything}}
Index: clang/lib/Lex/Lexer.cpp
===================================================================
--- clang/lib/Lex/Lexer.cpp
+++ clang/lib/Lex/Lexer.cpp
@@ -1462,11 +1462,11 @@
return false;
} else if (LangOpts.DollarIdents && '$' == C) {
return true;
- } else if (LangOpts.CPlusPlus) {
+ } else if (LangOpts.CPlusPlus || LangOpts.C2x) {
// A non-leading codepoint must have the XID_Continue property.
// XIDContinueRanges doesn't contains characters also in XIDStartRanges,
// so we need to check both tables.
- // '_' doesn't have the XID_Continue property but is allowed in C++.
+ // '_' doesn't have the XID_Continue property but is allowed in C an C++.
static const llvm::sys::UnicodeCharSet XIDStartChars(XIDStartRanges);
static const llvm::sys::UnicodeCharSet XIDContinueChars(XIDContinueRanges);
return C == '_' || XIDStartChars.contains(C) ||
@@ -1486,7 +1486,7 @@
if (LangOpts.AsmPreprocessor) {
return false;
}
- if (LangOpts.CPlusPlus) {
+ if (LangOpts.CPlusPlus || LangOpts.C2x) {
static const llvm::sys::UnicodeCharSet XIDStartChars(XIDStartRanges);
// '_' doesn't have the XID_Start property but is allowed in C++.
return C == '_' || XIDStartChars.contains(C);
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -469,6 +469,7 @@
support for functions without prototypes, which no longer exist in C2x.
- Implemented `WG14 N2841 No function declarators without prototypes <https://www9.open-std.org/jtc1/sc22/wg14/www/docs/n2841.htm>`_
and `WG14 N2432 Remove support for function definitions with identifier lists <https://www9.open-std.org/jtc1/sc22/wg14/www/docs/n2432.pdf>`_.
+- Implemented `WG14 N2836 Identifier Syntax using Unicode Standard Annex 31 <https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2836.pdf>`_.
C++ Language Changes in Clang
-----------------------------
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