compiler/include/rexx/storage.h

   1 #ifndef REXX_STORAGE_H
   2 #define REXX_STORAGE_H
   3
   4 /*
   5     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: ARexx data structures
   9     Lang: English
  10 */
  11
  12 #ifndef EXEC_TYPES_H
  13 #   include <exec/types.h>
  14 #endif
  15 #ifndef EXEC_PORTS_H
  16 #   include <exec/ports.h>
  17 #endif
  18 #ifndef DOS_DOSEXTENS_H
  19 #   include <dos/dosextens.h>
  20 #endif
  21
  22 struct RexxMsg
  23 {
  24         struct Message  rm_Node;
  25         IPTR            rm_Private1; /* Was rm_TaskBlock */
  26         IPTR            rm_Private2; /* Was rm_LibBase */
  27         LONG            rm_Action; /* What to do ? */
  28         LONG            rm_Result1; /* The first result as a number */
  29         IPTR            rm_Result2; /* The second result, most of the time an argstring */
  30         IPTR            rm_Args[16]; /* 16 possible arguments for function calls */
  31         struct MsgPort *rm_PassPort;
  32         STRPTR          rm_CommAddr; /* The starting host environment */
  33         STRPTR          rm_FileExt; /* The file extension for macro files */
  34         BPTR            rm_Stdin; /* Input filehandle to use */
  35         BPTR            rm_Stdout; /* Output filehandle to use */
  36         LONG            rm_Unused1; /* Was rm_avail */
  37 };
  38 /* AROS comment: rm_Private1 and rm_Private2 are implementation specific.
  39  * When sending a message that is meant to be handled in the same environment as
  40  * another message one received from somewhere, these fields have to be copied
  41  * to the new message.
  42  */
  43
  44 /* Shortcuts for the arguments */
  45 #define ARG0(msg) ((UBYTE *)msg->rm_Args[0])
  46 #define ARG1(msg) ((UBYTE *)msg->rm_Args[1])
  47 #define ARG2(msg) ((UBYTE *)msg->rm_Args[2])
  48 #define RXARG(msg,n) ((UBYTE *)msg->rm_Args[n])
  49
  50 /* Maximum arguments */
  51 #define MAXRMARG  15
  52
  53 /* The command for in rm_Action */
  54 #define RXCOMM   0x01000000
  55 #define RXFUNC   0x02000000
  56 #define RXCLOSE  0x03000000
  57 #define RXQUERY  0x04000000
  58 #define RXADDFH  0x07000000
  59 #define RXADDLIB 0x08000000
  60 #define RXREMLIB 0x09000000
  61 #define RXADDCON 0x0A000000
  62 #define RXREMCON 0x0B000000
  63 #define RXTCOPN  0x0C000000
  64 #define RXTCCLS  0x0D000000
  65
  66 /* Some commands added for AROS and regina only */
  67 #define RXADDRSRC  0xF0000000 /* Will register a resource node to call the clean up function
  68                               * from when the rexx script finishes
  69                               * The rexx implementation is free to use the list node fields
  70                               * for their own purpose. */
  71 #define RXREMRSRC  0xF1000000 /* Will unregister an earlier registered resource node */
  72 #define RXCHECKMSG 0xF2000000 /* Check if private fields are from the Rexx interpreter */
  73 #define RXSETVAR   0xF3000000 /* Set a variable with a given to a given value */
  74 #define RXGETVAR   0xF4000000 /* Get the value of a variable with the given name */
  75
  76 #define RXCODEMASK 0xFF000000
  77 #define RXARGMASK  0x0000000F
  78
  79 /* Flags that can be combined with the commands */
  80 #define RXFB_NOIO     16
  81 #define RXFB_RESULT   17
  82 #define RXFB_STRING   18
  83 #define RXFB_TOKEN    19
  84 #define RXFB_NONRET   20
  85 #define RXFB_FUNCLIST 5
  86
  87 /* Convert from bit number to number */
  88 #define RXFF_NOIO       (1<<RXFB_NOIO)
  89 #define RXFF_RESULT     (1<<RXFB_RESULT)
  90 #define RXFF_STRING     (1<<RXFB_STRING)
  91 #define RXFF_TOKEN      (1<<RXFB_TOKEN)
  92 #define RXFF_NONRET     (1<<RXFB_NONRET)
  93
  94 struct RexxArg
  95 {
  96         LONG  ra_Size;
  97         UWORD ra_Length;
  98         UBYTE ra_Depricated1; /* Was ra_Flags but not used anymore */
  99         UBYTE ra_Depricated2; /* Was ra_Hash but not used anymore */
 100         BYTE  ra_Buff[8];
 101 };
 102
 103 struct RexxRsrc
 104 {
 105         struct Node rr_Node;
 106         WORD        rr_Func; /* Library offset of clean up function */
 107         APTR        rr_Base; /* Library base of clean up function */
 108         LONG        rr_Size; /* Total size of structure */
 109         SIPTR       rr_Arg1; /* Meaning depends on type of Resource */
 110         SIPTR       rr_Arg2; /* Meaning depends on type of Resource */
 111 };
 112
 113 /* Types for the resource nodes */
 114 #define RRT_ANY   0
 115 #define RRT_LIB   1  /* A function library */
 116 /*#define RRT_PORT  2  Not used */
 117 /*#define RRT_FILE  3  Not used */
 118 #define RRT_HOST  4  /* A function host */
 119 #define RRT_CLIP  5  /* A clip on the clip list */
 120
 121 #endif /* REXX_STORAGE_H */