git.sur5r.net Git - cc65/blob - src/ca65/symentry.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                symentry.c                                 */
   4 /*                                                                           */
   5 /*          Symbol table entry forward for the ca65 macroassembler           */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2003 Ullrich von Bassewitz                                       */
  10 /*               Römerstrasse 52                                             */
  11 /*               D-70794 Filderstadt                                         */
  12 /* EMail:        uz@cc65.org                                                 */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #include <string.h>
  37
  38 /* common */
  39 #include "xmalloc.h"
  40
  41 /* ca65 */
  42 #include "scanner.h"
  43 #include "symentry.h"
  44
  45
  46
  47 /*****************************************************************************/
  48 /*                                   Data                                    */
  49 /*****************************************************************************/
  50
  51
  52
  53 SymEntry* SymList = 0;          /* List of all symbol table entries */
  54
  55
  56
  57 /*****************************************************************************/
  58 /*                                   Code                                    */
  59 /*****************************************************************************/
  60
  61
  62
  63 SymEntry* NewSymEntry (const char* Name)
  64 /* Allocate a symbol table entry, initialize and return it */
  65 {
  66     SymEntry* S;
  67     unsigned Len;
  68
  69     /* Get the length of the name */
  70     Len = strlen (Name);
  71
  72     /* Allocate memory */
  73     S = xmalloc (sizeof (SymEntry) + Len);
  74
  75     /* Initialize the entry */
  76     S->Left     = 0;
  77     S->Right    = 0;
  78     S->Locals   = 0;
  79     S->SymTab   = 0;
  80     S->Pos      = CurPos;
  81     S->Flags    = 0;
  82     S->V.Expr   = 0;
  83     memset (S->ConDesPrio, 0, sizeof (S->ConDesPrio));
  84     memcpy (S->Name, Name, Len+1);
  85
  86     /* Insert it into the list of all entries */
  87     S->List = SymList;
  88     SymList = S;
  89
  90     /* Return the initialized entry */
  91     return S;
  92 }
  93
  94
  95