float codeview, msf, pdb layers up as regular codebase layers, and out of converter-specific code; clangify some builds

src/msf/msf.h

@@ -0,0 +1,60 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef MSF_H
+#define MSF_H
+
+////////////////////////////////
+//~ MSF Format Types
+
+#define MSF_INVALID_STREAM_NUMBER 0xFFFF
+typedef U16 MSF_StreamNumber;
+
+static char msf_msf20_magic[] = "Microsoft C/C++ program database 2.00\r\n\x1aJG\0\0";
+static char msf_msf70_magic[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0\0";
+
+#define MSF_MSF20_MAGIC_SIZE 44
+#define MSF_MSF70_MAGIC_SIZE 32
+#define MSF_MAX_MAGIC_SIZE   44
+
+typedef struct MSF_Header20{
+  U32 block_size;
+  U16 free_block_map_block;
+  U16 block_count;
+  U32 directory_size;
+  U32 unknown;
+  U16 directory_map;
+} MSF_Header20;
+
+typedef struct MSF_Header70{
+  U32 block_size;
+  U32 free_block_map_block;
+  U32 block_count;
+  U32 directory_size;
+  U32 unknown;
+  U32 directory_super_map;
+} MSF_Header70;
+
+// magic(20) + header(20) = 44 + 20 = 64
+// magic(70) + header(70) = 32 + 24 = 56
+
+#define MSF_MIN_SIZE 64
+
+////////////////////////////////
+//~ MSF Parser Helper Types
+
+typedef struct MSF_Parsed{
+  String8 *streams;
+  U64 stream_count;
+  
+  U64 block_size;
+  U64 block_count;
+} MSF_Parsed;
+
+////////////////////////////////
+//~ MSF Parser Function
+
+internal MSF_Parsed* msf_parsed_from_data(Arena *arena, String8 msf_data);
+internal String8     msf_data_from_stream(MSF_Parsed *msf, MSF_StreamNumber sn);
+
+#endif // MSF_H