Fix premature push.

@@ -25,7 +25,6 @@ static char args_doc[] = N_("[FILE]");
 static char *format_str;
 static mh_format_t format;
 static int dump_option;
-static int disass_option;
 static int debug_option;
 static char *input_file;
 static size_t width;
@@ -42,9 +41,6 @@ static struct mu_option options[] = {
   { "dump",    0, NULL,     MU_OPTION_HIDDEN,
     N_("dump the listing of compiled format code"),
     mu_c_bool,   &dump_option },
-  { "disassemble",    0, NULL,     MU_OPTION_HIDDEN,
-    N_("dump disassembled format code"),
-    mu_c_bool,   &disass_option },
   { "debug",   0, NULL,     MU_OPTION_DEFAULT,
     N_("enable parser debugging output"),
     mu_c_bool,   &debug_option },
@@ -62,8 +58,11 @@ static void
 run (void)
 {
   mu_message_t msg = mh_file_to_message (NULL, input_file);
-  mh_format (format, msg, msgno, width, mu_strout);
-  mu_printf ("\n");
+  char *output;
+
+  mh_format (&format, msg, msgno, width, &output);
+
+  mu_printf ("%s\n", output);
 }
 
 int
@@ -91,16 +90,14 @@ main (int argc, char **argv)
       mu_error (_("Format string not specified"));
       return 1;
     }
-  if (mh_format_parse (&format, format_str, MH_FMT_PARSE_TREE))
+  if (mh_format_parse (format_str, &format))
     {
       mu_error (_("Bad format string"));
       exit (1);
     }
 
   if (dump_option)
-    mh_format_dump_code (format);
-  if (disass_option)
-    mh_format_dump_disass (format);
+    mh_format_dump (&format);
 
   if (input_file)
     run ();

@@ -65,6 +65,11 @@
 
 #include <mu_umaxtostr.h>
 
+#define MH_FMT_RALIGN  0x1000
+#define MH_FMT_ZEROPAD 0x2000
+#define MH_FMT_COMPWS  0x4000
+#define MH_WIDTH_MASK  0x0fff
+
 #define MH_SEQUENCES_FILE ".mh_sequences"
 #define MH_USER_PROFILE ".mh_profile"
 #define MH_GLOBAL_PROFILE "mh-profile"
@@ -73,6 +78,118 @@
 
 #define is_true(arg) ((arg) == NULL||mu_true_answer_p (arg) == 1)
 
+enum mh_opcode
+{
+  /* 0. Stop. Format: mhop_stop */
+  mhop_stop,
+  /* 1. Branch.
+     Format: mhop_branch offset */
+  mhop_branch,
+  /* 2. Assign to numeric register
+     Format: mhop_num_asgn  */
+  mhop_num_asgn,
+  /* 3. Assign to string register
+     Format: mhop_str_asgn */
+  mhop_str_asgn,
+  /* 4. Numeric arg follows.
+     Format: mhop_num_arg number */
+  mhop_num_arg,
+  /* 5. String arg follows.
+     Format: mhop_str_arg length string */
+  mhop_str_arg,
+  /* 6. Branch if reg_num is zero.
+     Format: mhop_num_branch dest-off */
+  mhop_num_branch,
+  /* 7. Branch if reg_str is zero.
+     Format: mhop_str_branch dest-off */
+  mhop_str_branch,
+  /* 8. Set str to the value of the header component
+     Format: mhop_header */
+  mhop_header,
+
+  /* 9. Read message body contents into str.
+     Format: mhop_body */
+  mhop_body,
+  
+  /* 10. Call a function.
+     Format: mhop_call function-pointer */
+  mhop_call,
+
+  /* 11. assign reg_num to arg_num */
+  mhop_num_to_arg,
+
+  /* 12. assign reg_str to arg_str */
+  mhop_str_to_arg,
+
+  /* 13. Convert arg_str to arg_num */
+  mhop_str_to_num,
+  
+  /* 14. Convert arg_num to arg_str */
+  mhop_num_to_str,
+
+  /* 15. Print reg_num */
+  mhop_num_print,
+
+  /* 16. Print reg_str */
+  mhop_str_print,
+
+  /* 17. Set format specification.
+     Format: mhop_fmtspec number */
+  mhop_fmtspec,
+
+  /* 18. Noop */
+  mhop_nop
+};    
+
+enum mh_type
+{
+  mhtype_none,
+  mhtype_num,
+  mhtype_str
+};
+
+typedef enum mh_opcode mh_opcode_t;
+
+struct mh_machine;
+typedef void (*mh_builtin_fp) (struct mh_machine *);
+
+typedef union {
+  mh_opcode_t opcode;
+  mh_builtin_fp builtin;
+  int num;
+  void *ptr;
+  char str[1]; /* Any number of characters follows */
+} mh_instr_t;
+
+#define MHI_OPCODE(m) (m).opcode
+#define MHI_BUILTIN(m) (m).builtin
+#define MHI_NUM(m) (m).num
+#define MHI_PTR(m) (m).ptr
+#define MHI_STR(m) (m).str
+
+typedef struct mh_format mh_format_t;
+
+struct mh_format
+{
+  size_t progsize;          /* Size of allocated program*/
+  mh_instr_t *prog;         /* Program itself */
+};
+
+#define MHA_REQUIRED       0
+#define MHA_OPTARG         1
+#define MHA_OPT_CLEAR      2
+
+typedef struct mh_builtin mh_builtin_t;
+
+struct mh_builtin
+{
+  char *name;
+  mh_builtin_fp fun;
+  int type;
+  int argtype;
+  int optarg;
+};
+
 typedef struct
 {
   const char *name;
@@ -167,22 +284,14 @@ int mu_getans (const char *variants, const char *fmt, ...)
 int mh_check_folder (const char *pathname, int confirm);
 int mh_makedir (const char *p);
 
-typedef struct mh_format *mh_format_t;
-
-int mh_format (mh_format_t fmt, mu_message_t msg, size_t msgno,
-	       size_t width, mu_stream_t str);
-int mh_format_str (mh_format_t fmt, char *str, size_t width, char **pret);
-
-void mh_format_dump_code (mh_format_t fmt);
-void mh_format_dump_disass (mh_format_t fmt);
-
-#define MH_FMT_PARSE_DEFAULT 0
-#define MH_FMT_PARSE_TREE 0x01
-int mh_format_parse (mh_format_t *fmt, char *format_str, int flags);
-
+int mh_format (mh_format_t *fmt, mu_message_t msg, size_t msgno,
+	       size_t width, char **pret);
+int mh_format_str (mh_format_t *fmt, char *str, size_t width, char **pret);
+void mh_format_dump (mh_format_t *fmt);
+int mh_format_parse (char *format_str, mh_format_t *fmt);
 void mh_format_debug (int val);
-void mh_format_free (mh_format_t fmt);
-void mh_format_destroy (mh_format_t *fmt);
+void mh_format_free (mh_format_t *fmt);
+mh_builtin_t *mh_lookup_builtin (char *name, int *rest);
 
 void mh_error (const char *fmt, ...) MU_PRINTFLIKE(1,2);
 void mh_err_memory (int fatal);
@@ -241,7 +350,7 @@ int mh_whom_file (const char *filename, int check);
 int mh_whom_message (mu_message_t msg, int check);
 
 void mh_set_reply_regex (const char *str);
-int mh_decode_2047 (char const *text, char **decoded_text);
+int mh_decode_2047 (char *text, char **decoded_text);
 const char *mh_charset (const char *);
 
 int mh_alias_read (char const *name, int fail);

@@ -15,146 +15,34 @@
    You should have received a copy of the GNU General Public License
    along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */
 
-#define MH_FMT_DEFAULT 0
-#define MH_FMT_RALIGN  0x1000
-#define MH_FMT_ZEROPAD 0x2000
-#define MH_FMT_COMPWS  0x4000
-#define MH_WIDTH_MASK  0x0fff
-
-enum mh_opcode
-{
-  /* Stop. Format: mhop_stop */
-  mhop_stop,
-  /* Unconditional branch
-     Format: mhop_branch offset */
-  mhop_branch,
-  /* Branch if num reg is zero.
-     Format: mhop_brz_num dest-off */
-  mhop_brzn,
-  /* Branch if str reg is zero.
-     Format: mhop_brz_str dest-off */
-  mhop_brzs,
-
-  /* Set numeric register
-     Format: mhop_setn val */
-  mhop_setn,
-  
-  /* Set string register
-     Format: mhop_sets reg length string */
-  mhop_sets,
-
-  /* Move value bewtween two numeric registers
-     Format: mhop_movn dest src */
-  mhop_movn,
-
-  /* Move value bewtween two string registers
-     Format: mhop_movs dest src */
-  mhop_movs,
-  
-  /* Load component value into a string register 
-     Format: mhop_load reg string */
-  mhop_ldcomp,
-
-  /* Load first width bytes of message body contents into a string register.
-     Format: mhop_body reg */
-  mhop_ldbody,
-  
-  /* Call a function.
-     Format: mhop_call function-pointer */
-  mhop_call,
-
-  /* Convert string register to number reg
-     Format: mhop_atoi reg
-   */
-  mhop_atoi,
-  
-  /* Convert numeric register to string
-     Format: mhop_itoa reg */
-  mhop_itoa,
-
-  /* Print num reg */
-  mhop_printn,
-
-  /* Print str reg */
-  mhop_prints,
-
-  /* Set format specification.
-     Format: mhop_fmtspec number */
-  mhop_fmtspec,
-};    
-
-enum regid { R_REG, R_ARG };
-
-enum mh_type
+typedef struct       /* A string object type */
 {
-  mhtype_none,
-  mhtype_num,
-  mhtype_str
-};
-
-typedef enum mh_opcode mh_opcode_t;
-
-struct mh_machine;
-typedef void (*mh_builtin_fp) (struct mh_machine *);
-
-typedef union {
-  mh_opcode_t opcode;
-  mh_builtin_fp builtin;
-  long num;
-  void *ptr;
-  char str[1]; /* Any number of characters follows */
-} mh_instr_t;
-
-#define MHI_OPCODE(m) (m).opcode
-#define MHI_BUILTIN(m) (m).builtin
-#define MHI_NUM(m) (m).num
-#define MHI_PTR(m) (m).ptr
-#define MHI_STR(m) (m).str
-
-struct mh_format
-{
-  size_t progmax;          /* Size of allocated program*/
-  size_t progcnt;          /* Actual number of elements used */
-  mh_instr_t *prog;        /* Program itself */
-  struct node *tree;
-  mu_opool_t pool;
-};
+  int size;          /* Allocated size or 0 for static storage */
+  char *ptr;         /* Actual data */
+}
+strobj_t;
 
-#define MHA_REQUIRED       0
-#define MHA_OPTARG         1
-#define MHA_OPT_CLEAR      2
-#define MHA_VOID           3
+#define strobj_ptr(p) ((p)->ptr ? (p)->ptr : "")
+#define strobj_len(p) (strobj_is_null(p) ? 0 : strlen((p)->ptr))
+#define strobj_is_null(p) ((p)->ptr == NULL)
+#define strobj_is_static(p) ((p)->size == 0)
 
-typedef struct mh_builtin mh_builtin_t;
-
-struct mh_builtin
-{
-  char *name;
-  mh_builtin_fp fun;
-  enum mh_type type;
-  enum mh_type argtype;
-  int optarg;
-};
-
-struct mh_string
-{
-  size_t size;
-  char *ptr;
-};
-  
 struct mh_machine
 {
-  long num[2];              /* numeric registers */
-  struct mh_string str[2];  /* string registers */
+  strobj_t reg_str;         /* String register */
+  int reg_num;              /* Numeric register */
+
+  strobj_t arg_str;         /* String argument */
+  long arg_num;             /* Numeric argument */
   
   size_t pc;                /* Program counter */
-  size_t progcnt;           /* Size of allocated program*/
+  size_t progsize;          /* Size of allocated program*/
   mh_instr_t *prog;         /* Program itself */
   int stop;                 /* Stop execution immediately */
 
-  size_t width;             /* Output line width */
-  size_t ind;               /* Output line index */
-  mu_stream_t output;       /* Output stream */
+  mu_opool_t pool;          /* Output buffer */
+  size_t width;             /* Output buffer width */
+  size_t ind;               /* Output buffer index */
 
   mu_list_t addrlist;       /* The list of email addresses output this far */
   int fmtflags;             /* Current formatting flags */
@@ -163,5 +51,9 @@ struct mh_machine
   size_t msgno;             /* Its number */
 };
 
-mh_builtin_t *mh_lookup_builtin (char *name, size_t len);
-void mh_print_fmtspec (int fmtspec);
+void strobj_free (strobj_t *obj);
+void strobj_create (strobj_t *lvalue, const char *str);
+void strobj_set (strobj_t *lvalue, char *str);
+void strobj_assign (strobj_t *lvalue, strobj_t *rvalue);
+void strobj_copy (strobj_t *lvalue, strobj_t *rvalue);
+void strobj_realloc (strobj_t *obj, size_t length);

@@ -913,7 +913,7 @@ mh_charset (const char *dfl)
 }
 
 int
-mh_decode_2047 (char const *text, char **decoded_text)
+mh_decode_2047 (char *text, char **decoded_text)
 {
   const char *charset = mh_charset (NULL);
   if (!charset)

@@ -46,7 +46,7 @@ enum mhl_datatype
 typedef union mhl_value {
   char *str;
   int num;
-  mh_format_t fmt;
+  mh_format_t *fmt;
 } mhl_value_t;
 
 typedef struct mhl_variable
@@ -151,6 +151,7 @@ parse_variable (locus_t *loc, mu_list_t formlist, char *str)
 {
   size_t i;
   struct mu_wordsplit ws;
+  mh_format_t fmt;
   int wsflags;
   
   if (strncmp (str, "ignores=", 8) == 0 && str[8] != '"')
@@ -218,14 +219,15 @@ parse_variable (locus_t *loc, mu_list_t formlist, char *str)
 	  break;
 
 	case dt_format:
-	  if (mh_format_parse (&stmt->v.variable.value.fmt, value,
-			       MH_FMT_PARSE_DEFAULT))
+	  if (mh_format_parse (value, &fmt))
 	    {
 	      mu_error (_("%s:%d: bad format string"),
 			loc->filename,
 			loc->line);
 	      exit (1);
 	    }
+	  stmt->v.variable.value.fmt = mu_alloc (sizeof (mh_format_t));
+	  *stmt->v.variable.value.fmt = fmt;
 	  break;
 
 	case dt_flag:
@@ -454,7 +456,7 @@ struct eval_env
   int ivar[I_MAX];
   int bvar[B_MAX];
   char *svar[S_MAX];
-  mh_format_t fvar[F_MAX];
+  mh_format_t *fvar[F_MAX];
   char *prefix;
 };