[C] Add more standard types from ISO C

This adds the types defined by stddef.h, wchar.h, and uchar.h.
Some of these types were first defined by C++ but are now defined
by C11 or C23 so we will defer to C instead now.

C++/C++.sublime-syntax

@@ -148,8 +148,6 @@ contexts:
       scope: keyword.operator.word.c++
 
   unique-types:
-    - match: \b(char8_t|char16_t|char32_t|wchar_t|nullptr_t)\b
-      scope: storage.type.c++
     - match: \bclass\b
       scope: keyword.declaration.class.c++
 

C++/C.sublime-syntax

@@ -43,6 +43,9 @@ variables:
   microsoft_types: '__int8|__int16|__int32|__int64'
   windows_types: 'APIENTRY|ATOM|BOOL|BOOLEAN|BYTE|CALLBACK|CCHAR|CHAR|COLORREF|CONST|DWORD|DWORDLONG|DWORD_PTR|DWORD32|DWORD64|FLOAT|HACCEL|HALF_PTR|HANDLE|HBITMAP|HBRUSH|HCOLORSPACE|HCONV|HCONVLIST|HCURSOR|HDC|HDDEDATA|HDESK|HDROP|HDWP|HENHMETAFILE|HFILE|HFONT|HGDIOBJ|HGLOBAL|HHOOK|HICON|HINSTANCE|HKEY|HKL|HLOCAL|HMENU|HMETAFILE|HMODULE|HMONITOR|HPALETTE|HPEN|HRESULT|HRGN|HRSRC|HSZ|HWINSTA|HWND|INT|INT_PTR|INT8|INT16|INT32|INT64|LANGID|LCID|LCTYPE|LGRPID|LONG|LONGLONG|LONG_PTR|LONG32|LONG64|LPARAM|LPBOOL|LPBYTE|LPCOLORREF|LPCSTR|LPCTSTR|LPCVOID|LPCWSTR|LPDWORD|LPHANDLE|LPINT|LPLONG|LPSTR|LPTSTR|LPVOID|LPWORD|LPWSTR|LRESULT|PBOOL|PBOOLEAN|PBYTE|PCHAR|PCSTR|PCTSTR|PCWSTR|PDWORD|PDWORDLONG|PDWORD_PTR|PDWORD32|PDWORD64|PFLOAT|PHALF_PTR|PHANDLE|PHKEY|PINT|PINT_PTR|PINT8|PINT16|PINT32|PINT64|PLCID|PLONG|PLONGLONG|PLONG_PTR|PLONG32|PLONG64|POINTER_32|POINTER_64|POINTER_SIGNED|POINTER_UNSIGNED|PSHORT|PSIZE_T|PSSIZE_T|PSTR|PTBYTE|PTCHAR|PTSTR|PUCHAR|PUHALF_PTR|PUINT|PUINT_PTR|PUINT8|PUINT16|PUINT32|PUINT64|PULONG|PULONGLONG|PULONG_PTR|PULONG32|PULONG64|PUSHORT|PVOID|PWCHAR|PWORD|PWSTR|QWORD|SC_HANDLE|SC_LOCK|SERVICE_STATUS_HANDLE|SHORT|SIZE_T|SSIZE_T|TBYTE|TCHAR|UCHAR|UHALF_PTR|UINT|UINT_PTR|UINT8|UINT16|UINT32|UINT64|ULONG|ULONGLONG|ULONG_PTR|ULONG32|ULONG64|UNICODE_STRING|USHORT|USN|VOID|WCHAR|WINAPI|WORD|WPARAM'
   stdint: 'int8_t|int16_t|int32_t|int64_t|uint8_t|uint16_t|uint32_t|uint64_t|int_least8_t|int_least16_t|int_least32_t|int_least64_t|uint_least8_t|uint_least16_t|uint_least32_t|uint_least64_t|int_fast8_t|int_fast16_t|int_fast32_t|int_fast64_t|uint_fast8_t|uint_fast16_t|uint_fast32_t|uint_fast64_t|intptr_t|uintptr_t|intmax_t|intmax_t|uintmax_t|uintmax_t'
+  stddef: 'size_t|ptrdiff_t|max_align_t|nullptr_t'
+  wchar: 'wchar_t|wint_t|wctrans_t|wctype_t'
+  uchar: 'mbstate_t|char8_t|char16_t|char32_t'
   declspec: '__declspec\(\s*\w+(?:\([^)]+\))?\s*\)'
   storage_classes: 'static|extern|register|thread_local|_Thread_local|constexpr|{{declspec}}'
   type_qualifier: 'const|volatile'
@@ -236,12 +239,18 @@ contexts:
       scope: keyword.declaration.c
     - match: \b({{basic_types}})\b
       scope: storage.type.c
-    - match: \b(u_char|u_short|u_int|u_long|ushort|uint|u_quad_t|quad_t|qaddr_t|caddr_t|daddr_t|dev_t|fixpt_t|blkcnt_t|blksize_t|gid_t|in_addr_t|in_port_t|ino_t|key_t|mode_t|nlink_t|id_t|pid_t|off_t|segsz_t|swblk_t|uid_t|id_t|clock_t|size_t|ssize_t|time_t|useconds_t|suseconds_t|ptrdiff_t)\b
+    - match: \b(u_char|u_short|u_int|u_long|ushort|uint|u_quad_t|quad_t|qaddr_t|caddr_t|daddr_t|dev_t|fixpt_t|blkcnt_t|blksize_t|gid_t|in_addr_t|in_port_t|ino_t|key_t|mode_t|nlink_t|id_t|pid_t|off_t|segsz_t|swblk_t|uid_t|id_t|clock_t|ssize_t|time_t|useconds_t|suseconds_t)\b
       scope: support.type.sys-types.c
     - match: \b(pthread_attr_t|pthread_cond_t|pthread_condattr_t|pthread_mutex_t|pthread_mutexattr_t|pthread_once_t|pthread_rwlock_t|pthread_rwlockattr_t|pthread_t|pthread_key_t)\b
       scope: support.type.pthread.c
     - match: \b({{stdint}})\b
       scope: support.type.stdint.c
+    - match: \b({{stddef}})\b
+      scope: support.type.stddef.c
+    - match: \b({{wchar}})\b
+      scope: support.type.wchar.c
+    - match: \b({{uchar}})\b
+      scope: support.type.uchar.c
     - match: '\b({{microsoft_types}})\b'
       scope: support.type.microsoft.c
     - match: '\b({{windows_types}})\b'

C++/syntax_test_c.c

@@ -313,6 +313,42 @@ bool still_C_code_here = true;
 /* <- storage.type */
 /*                       ^ constant.language */
 
+size_t size_t_var;
+/* <- support.type.stddef */
+
+ptrdiff_t ptrdiff_t_var;
+/* <- support.type.stddef */
+
+max_align_t max_align_t_var;
+/* <- support.type.stddef */
+
+nullptr_t nullptr_t_var;
+/* <- support.type.stddef */
+
+wchar_t wchar_t_var;
+/* <- support.type.wchar */
+
+wint_t wint_t_var;
+/* <- support.type.wchar */
+
+wctrans_t wctrans_t_var;
+/* <- support.type.wchar */
+
+wctype_t wctype_t_var;
+/* <- support.type.wchar */
+
+mbstate_t mbstate_t_var;
+/* <- support.type.uchar */
+
+char8_t char8_t_var;
+/* <- support.type.uchar */
+
+char16_t char16_t_var;
+/* <- support.type.uchar */
+
+char32_t char32_t_var;
+/* <- support.type.uchar */
+
 void *null_pointer1 = NULL;
                     /* ^ constant.language.null */
 

C++/syntax_test_cpp.cpp

@@ -460,14 +460,41 @@ bool b;
 char ch;
 /* <- storage.type */
 
-char16_t ch16;
-/* <- storage.type */
+size_t size_t_var;
+/* <- support.type.stddef */
 
-char32_t ch32;
-/* <- storage.type */
+ptrdiff_t ptrdiff_t_var;
+/* <- support.type.stddef */
 
-wchar_t wch;
-/* <- storage.type */
+max_align_t max_align_t_var;
+/* <- support.type.stddef */
+
+nullptr_t nullptr_t_var;
+/* <- support.type.stddef */
+
+wchar_t wchar_t_var;
+/* <- support.type.wchar */
+
+wint_t wint_t_var;
+/* <- support.type.wchar */
+
+wctrans_t wctrans_t_var;
+/* <- support.type.wchar */
+
+wctype_t wctype_t_var;
+/* <- support.type.wchar */
+
+mbstate_t mbstate_t_var;
+/* <- support.type.uchar */
+
+char8_t char8_t_var;
+/* <- support.type.uchar */
+
+char16_t char16_t_var;
+/* <- support.type.uchar */
+
+char32_t char32_t_var;
+/* <- support.type.uchar */
 
 unsigned int ui;
 /* <- storage.type */

Objective-C/syntax_test_objc++.mm

@@ -450,14 +450,41 @@ bool foo (bool run=true) {}
 char ch;
 /* <- storage.type */
 
-char16_t ch16;
-/* <- storage.type */
+size_t size_t_var;
+/* <- support.type.stddef */
 
-char32_t ch32;
-/* <- storage.type */
+ptrdiff_t ptrdiff_t_var;
+/* <- support.type.stddef */
 
-wchar_t wch;
-/* <- storage.type */
+max_align_t max_align_t_var;
+/* <- support.type.stddef */
+
+nullptr_t nullptr_t_var;
+/* <- support.type.stddef */
+
+wchar_t wchar_t_var;
+/* <- support.type.wchar */
+
+wint_t wint_t_var;
+/* <- support.type.wchar */
+
+wctrans_t wctrans_t_var;
+/* <- support.type.wchar */
+
+wctype_t wctype_t_var;
+/* <- support.type.wchar */
+
+mbstate_t mbstate_t_var;
+/* <- support.type.uchar */
+
+char8_t char8_t_var;
+/* <- support.type.uchar */
+
+char16_t char16_t_var;
+/* <- support.type.uchar */
+
+char32_t char32_t_var;
+/* <- support.type.uchar */
 
 unsigned int ui;
 /* <- storage.type */

Objective-C/syntax_test_objc.m

@@ -259,6 +259,42 @@ int f(int x, \
 /* <- storage.type */
 /*                       ^ constant.language */
 
+size_t size_t_var;
+/* <- support.type.stddef */
+
+ptrdiff_t ptrdiff_t_var;
+/* <- support.type.stddef */
+
+max_align_t max_align_t_var;
+/* <- support.type.stddef */
+
+nullptr_t nullptr_t_var;
+/* <- support.type.stddef */
+
+wchar_t wchar_t_var;
+/* <- support.type.wchar */
+
+wint_t wint_t_var;
+/* <- support.type.wchar */
+
+wctrans_t wctrans_t_var;
+/* <- support.type.wchar */
+
+wctype_t wctype_t_var;
+/* <- support.type.wchar */
+
+mbstate_t mbstate_t_var;
+/* <- support.type.uchar */
+
+char8_t char8_t_var;
+/* <- support.type.uchar */
+
+char16_t char16_t_var;
+/* <- support.type.uchar */
+
+char32_t char32_t_var;
+/* <- support.type.uchar */
+
 FOOBAR
 hello() {
     /* <- meta.function entity.name.function */