[clang] [C99] Claim conformance to WG14 N717 (PR #87228)

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``````````bash
darker --check --diff -r 84299df301dc07ea83fa8378051103195c3a7c65...f8e130df9e602662444280346b71a82347ae8a29 clang/test/C/C99/n717.py
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``````````diff
--- n717.py	2024-04-01 11:27:32.000000 +0000
+++ n717.py	2024-04-01 11:32:12.636120 +0000
@@ -1,29 +1,41 @@
 print("#define M(arg)")
 
+
 def test(size):
-  Prefix = 'U' if size == 8 else 'u'
-  # [0x0000 to 0x00A0) excluding [0x0020, 0x007F)
-  for val in [val for val in range(0x0000, 0x00A0) if val < 0x0020 or val >= 0x007F]:
-     print(f'M(\\{Prefix}{val:0{size}X}) // expected-error {{{{universal character name refers to a control character}}}}')
-  print('')
-  
-  # [0x0020 to 0x007F), excluding 0x0024, 0x0040, and 0x0060
-  for val in [val for val in range(0x0020, 0x007F) if val != 0x0024 and val != 0x0040 and val != 0x0060]:
-     print(f"M(\\{Prefix}{val:0{size}X}) // expected-error {{{{character '{chr(val)}' cannot be specified by a universal character name}}}}")
-  print('')
-  
-  # [0xD800 to 0xDFFF]
-  for val in range(0xD800, 0xDFFF + 1):
-    print(f'M(\\{Prefix}{val:0{size}X}) // expected-error {{{{invalid universal character}}}}')
-  print('')
-  
-  # Everything in this range should be accepted, though it may produce a
-  # warning diagnostic for things like homoglyphs, whitespace, etc.
-  for val in range(0x00A1, 0xD800):
-    print(f'M(\\{Prefix}{val:0{size}X})')
-  print('')
+    Prefix = "U" if size == 8 else "u"
+    # [0x0000 to 0x00A0) excluding [0x0020, 0x007F)
+    for val in [val for val in range(0x0000, 0x00A0) if val < 0x0020 or val >= 0x007F]:
+        print(
+            f"M(\\{Prefix}{val:0{size}X}) // expected-error {{{{universal character name refers to a control character}}}}"
+        )
+    print("")
+
+    # [0x0020 to 0x007F), excluding 0x0024, 0x0040, and 0x0060
+    for val in [
+        val
+        for val in range(0x0020, 0x007F)
+        if val != 0x0024 and val != 0x0040 and val != 0x0060
+    ]:
+        print(
+            f"M(\\{Prefix}{val:0{size}X}) // expected-error {{{{character '{chr(val)}' cannot be specified by a universal character name}}}}"
+        )
+    print("")
+
+    # [0xD800 to 0xDFFF]
+    for val in range(0xD800, 0xDFFF + 1):
+        print(
+            f"M(\\{Prefix}{val:0{size}X}) // expected-error {{{{invalid universal character}}}}"
+        )
+    print("")
+
+    # Everything in this range should be accepted, though it may produce a
+    # warning diagnostic for things like homoglyphs, whitespace, etc.
+    for val in range(0x00A1, 0xD800):
+        print(f"M(\\{Prefix}{val:0{size}X})")
+    print("")
+
 
 # Print \u tests
 test(4)
 # Print \U tests
 test(8)
@@ -32,8 +44,8 @@
 # within the valid (short) range.
 # This is disabled because enabling the test 1) requires using L because u and
 # U don't exist until C11, 2) is questionable in terms of value because the
 # code points could be different if L isn't using a Unicode encoding, and 3)
 # this addition to the test adds 10x the execution time when running the test.
-#for val in range(0x00A1, 0xD800):
+# for val in range(0x00A1, 0xD800):
 #  print(f"_Static_assert(L'\\u{val:04X}' == L'\\U{val:08X}', \"\");")
-#print('')
+# print('')

``````````

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https://github.com/llvm/llvm-project/pull/87228