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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                  token.c                                  */
   4 /*                                                                           */
   5 /*                  Token list for the ca65 macro assembler                  */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2007-2011, Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 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 /* ca65 */
  37 #include "token.h"
  38
  39
  40
  41 /*****************************************************************************/
  42 /*                                   Code                                    */
  43 /*****************************************************************************/
  44
  45
  46
  47 int TokHasSVal (token_t Tok)
  48 /* Return true if the given token has an attached SVal */
  49 {
  50     return (Tok == TOK_IDENT || Tok == TOK_LOCAL_IDENT || Tok == TOK_STRCON);
  51 }
  52
  53
  54
  55 int TokHasIVal (token_t Tok)
  56 /* Return true if the given token has an attached IVal */
  57 {
  58     return (Tok == TOK_INTCON || Tok == TOK_CHARCON || Tok == TOK_REG);
  59 }
  60
  61
  62
  63 void CopyToken (Token* Dst, const Token* Src)
  64 /* Copy a token from Src to Dst. The current value of Dst.SVal is free'd,
  65  * so Dst must be initialized.
  66  */
  67 {
  68     /* Copy the fields */
  69     Dst->Tok  = Src->Tok;
  70     Dst->WS   = Src->WS;
  71     Dst->IVal = Src->IVal;
  72     SB_Copy (&Dst->SVal, &Src->SVal);
  73     Dst->Pos  = Src->Pos;
  74 }
  75
  76
  77