[clang][Tooling] Extend special symbol mappings for (U)INTN_C

Author: kadircet

clang/lib/Tooling/Inclusions/Stdlib/CSpecialSymbolMap.inc

@@ -12,3 +12,17 @@ SYMBOL(size_t, None, <string.h>)
 SYMBOL(size_t, None, <time.h>)
 SYMBOL(size_t, None, <uchar.h>)
 SYMBOL(size_t, None, <wchar.h>)
+
+// These macros trigger ambiguity when parsing cppreference index.
+// Taken from https://en.cppreference.com/w/c/types/integer.
+SYMBOL(INT8_C, None, <stdint.h>)
+SYMBOL(INT16_C, None, <stdint.h>)
+SYMBOL(INT32_C, None, <stdint.h>)
+SYMBOL(INT64_C, None, <stdint.h>)
+SYMBOL(INTMAX_C, None, <stdint.h>)
+
+SYMBOL(UINT8_C, None, <stdint.h>)
+SYMBOL(UINT16_C, None, <stdint.h>)
+SYMBOL(UINT32_C, None, <stdint.h>)
+SYMBOL(UINT64_C, None, <stdint.h>)
+SYMBOL(UINTMAX_C, None, <stdint.h>)

clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc

@@ -822,3 +822,27 @@ SYMBOL(SCNxMAX, None, <cinttypes>)
 SYMBOL(SCNxMAX, None, <inttypes.h>)
 SYMBOL(SCNxPTR, None, <cinttypes>)
 SYMBOL(SCNxPTR, None, <inttypes.h>)
+
+// These macros trigger ambiguity when parsing cppreference index.
+// Taken from https://en.cppreference.com/w/cpp/types/integer.
+SYMBOL(INT8_C, None, <cstdint>)
+SYMBOL(INT8_C, None, <stdint.h>)
+SYMBOL(INT16_C, None, <cstdint>)
+SYMBOL(INT16_C, None, <stdint.h>)
+SYMBOL(INT32_C, None, <cstdint>)
+SYMBOL(INT32_C, None, <stdint.h>)
+SYMBOL(INT64_C, None, <cstdint>)
+SYMBOL(INT64_C, None, <stdint.h>)
+SYMBOL(INTMAX_C, None, <cstdint>)
+SYMBOL(INTMAX_C, None, <stdint.h>)
+
+SYMBOL(UINT8_C, None, <cstdint>)
+SYMBOL(UINT8_C, None, <stdint.h>)
+SYMBOL(UINT16_C, None, <cstdint>)
+SYMBOL(UINT16_C, None, <stdint.h>)
+SYMBOL(UINT32_C, None, <cstdint>)
+SYMBOL(UINT32_C, None, <stdint.h>)
+SYMBOL(UINT64_C, None, <cstdint>)
+SYMBOL(UINT64_C, None, <stdint.h>)
+SYMBOL(UINTMAX_C, None, <cstdint>)
+SYMBOL(UINTMAX_C, None, <stdint.h>)