nsz Git - libfirm/blob - ir/ir/irargs.c

   1 /*
   2  * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
   3  *
   4  * This file is part of libFirm.
   5  *
   6  * This file may be distributed and/or modified under the terms of the
   7  * GNU General Public License version 2 as published by the Free Software
   8  * Foundation and appearing in the file LICENSE.GPL included in the
   9  * packaging of this file.
  10  *
  11  * Licensees holding valid libFirm Professional Edition licenses may use
  12  * this file in accordance with the libFirm Commercial License.
  13  * Agreement provided with the Software.
  14  *
  15  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  16  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE.
  18  */
  19
  20 /**
  21  * @file
  22  * @brief    Support for libcore IR object output.
  23  * @author   Sebastian Hack
  24  * @version  $Id$
  25  */
  26 #include "config.h"
  27
  28 #include "irargs_t.h"
  29
  30 #include <ctype.h>
  31
  32 #include "bitset.h"
  33 #include "lc_printf.h"
  34 #include "firm_common.h"
  35 #include "irnode_t.h"
  36 #include "entity_t.h"
  37 #include "irloop_t.h"
  38 #include "tv_t.h"
  39 #include "dbginfo_t.h"
  40
  41 /**
  42  * identify a firm object type
  43  */
  44 static int firm_get_arg_type(const lc_arg_occ_t *occ)
  45 {
  46         (void) occ;
  47         /* Firm objects are always pointer */
  48         return lc_arg_type_ptr;
  49 }
  50
  51 static int firm_get_arg_type_int(const lc_arg_occ_t *occ)
  52 {
  53         (void) occ;
  54         return lc_arg_type_int;
  55 }
  56
  57
  58 static int bitset_get_arg_type(const lc_arg_occ_t *occ)
  59 {
  60         (void) occ;
  61         return lc_arg_type_ptr;
  62 }
  63
  64 static int bitset_emit(lc_appendable_t *app,
  65     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  66 {
  67         int res = 2;
  68         bitset_t *b = arg->v_ptr;
  69         unsigned  p;
  70         char buf[32];
  71         const char *prefix = "";
  72
  73         lc_arg_append(app, occ, "[", 1);
  74         bitset_foreach(b, p) {
  75                 int n;
  76
  77                 n = snprintf(buf, sizeof(buf), "%s%d", prefix, (int) p);
  78                 lc_arg_append(app, occ, buf, n);
  79                 prefix = ", ";
  80                 res += n;
  81         }
  82         lc_arg_append(app, occ, "]", 1);
  83
  84         return res;
  85 }
  86
  87 /**
  88  * emit an opaque Firm dbg_info object
  89  */
  90 static int firm_emit_dbg(lc_appendable_t *app,
  91     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  92 {
  93         char buf[1024];
  94         ir_node *irn = arg->v_ptr;
  95         dbg_info *dbg = get_irn_dbg_info(irn);
  96
  97         ir_dbg_info_snprint(buf, sizeof(buf), dbg);
  98         return lc_arg_append(app, occ, buf, strlen(buf));
  99 }
 100
 101 /**
 102  * Beware: do not set the entity ld_name
 103  */
 104 static const char *get_entity_ld_name_ex(ir_entity *ent)
 105 {
 106         if (ent->ld_name)
 107                 return get_entity_ld_name(ent);
 108         return get_entity_name(ent);
 109 }
 110
 111 /**
 112  * emit a Firm object
 113  */
 114 static int firm_emit(lc_appendable_t *app,
 115     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 116 {
 117 #define A(s)    occ->flag_hash ? s " ": ""
 118
 119         void *X = arg->v_ptr;
 120         firm_kind *obj = X;
 121         int i, n;
 122         ir_node *block;
 123         char add[64];
 124         char buf[256];
 125         char tv_buf[256];
 126         ir_entity *ent;
 127
 128         buf[0] = '\0';
 129         add[0] = '\0';
 130
 131         if (! X)
 132                 strncpy(buf, "(null)", sizeof(buf));
 133         else {
 134                 switch (*obj) {
 135         case k_BAD:
 136                 snprintf(buf, sizeof(buf), "BAD");
 137                 snprintf(add, sizeof(add), "[%p]", X);
 138                 break;
 139         case k_entity:
 140                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 141                         isupper(occ->conversion) ? get_entity_ld_name_ex(X): get_entity_name(X));
 142                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(X));
 143                 break;
 144         case k_type: {
 145                 char type_name[256];
 146                 ir_print_type(type_name, sizeof(type_name), X);
 147                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"), get_type_tpop_name(X),
 148                          type_name);
 149                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 150                 break;
 151         }
 152         case k_ir_graph:
 153                 if (X == get_const_code_irg())
 154                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 155                 else
 156                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(X)));
 157                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(X));
 158                 break;
 159         case k_ir_node:
 160                 switch (occ->conversion) {
 161                 case 'B':
 162                         block = !is_Block(X) ? get_nodes_block(X) : X;
 163                         snprintf(buf, sizeof(buf), "%s%s %s", A("irn"),
 164                                  get_irn_opname(block), get_mode_name(get_irn_mode(block)));
 165                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 166                         break;
 167                 case 'N':
 168                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(X));
 169                         break;
 170                 default:
 171                         if (is_Const(X)) {
 172                                 ir_tarval *tv = get_Const_tarval(X);
 173                                 if (tv)
 174                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 175                                 else
 176                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 177                                 snprintf(buf, sizeof(buf), "%s%s %s<%s>", A("irn"), get_irn_opname(X),
 178                                         get_mode_name(get_irn_mode(X)), tv_buf);
 179                         } else if (is_SymConst_addr_ent(X)) {
 180                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(X),
 181                                 get_mode_name(get_irn_mode(X)), get_entity_name(get_SymConst_entity(X)));
 182                         } else if (is_Sel(X)) {
 183                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(X),
 184                                 get_mode_name(get_irn_mode(X)), get_entity_name(get_Sel_entity(X)));
 185                         } else {
 186                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(X),
 187                                 get_mode_name(get_irn_mode(X)));
 188                         }
 189                         snprintf(add, sizeof(add), "[%ld:%u]", get_irn_node_nr(X), get_irn_idx(X));
 190                 }
 191                 break;
 192         case k_ir_mode:
 193                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(X));
 194                 break;
 195         case k_tarval:
 196                 tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 197                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 198                 break;
 199         case k_ir_loop:
 200                 snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 201                 break;
 202         case k_ir_op:
 203                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(X));
 204                 break;
 205         case k_ir_compound_graph_path:
 206                 n = get_compound_graph_path_length(X);
 207
 208                 for (i = 0; i < n; ++i) {
 209                         ent = get_compound_graph_path_node(X, i);
 210
 211                         strncat(buf, ".", sizeof(buf)-1);
 212                         strncat(buf, get_entity_name(ent), sizeof(buf)-1);
 213                         if (is_Array_type(get_entity_owner(ent))) {
 214                                 snprintf(add, sizeof(add), "[%d]",
 215                                         get_compound_graph_path_array_index(X, i));
 216                                 strncat(buf, add, sizeof(buf)-1);
 217                         }
 218                 }
 219                 add[0] = '\0';
 220                 break;
 221         case k_ir_extblk:
 222                 snprintf(buf, sizeof(buf), "ExtBlock");
 223                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(X)));
 224                 break;
 225
 226         default:
 227                 snprintf(buf, sizeof(buf), "UNKWN");
 228                 snprintf(add, sizeof(add), "[%p]", X);
 229                 }
 230         }
 231
 232         if (occ->flag_plus)
 233                 strncat(buf, add, sizeof(buf)-1);
 234
 235         return lc_arg_append(app, occ, buf, strlen(buf));
 236
 237 #undef A
 238 }
 239
 240 /**
 241  * emit an ident
 242  */
 243 static int firm_emit_ident(lc_appendable_t *app,
 244     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 245 {
 246         ident *id = (ident *)arg->v_ptr;
 247         const char *p = id ? get_id_str(id) : "(null)";
 248
 249         return lc_arg_append(app, occ, p, strlen(p));
 250 }
 251
 252 /**
 253  * Emit indent.
 254  */
 255 static int firm_emit_indent(lc_appendable_t *app,
 256     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 257 {
 258         int i;
 259         int width  = occ->width > 0 ? occ->width : 1;
 260         int amount = arg->v_int * width;
 261
 262         for (i = 0; i < amount; ++i)
 263                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 264
 265         return amount;
 266 }
 267
 268 /**
 269  * Emit pnc.
 270  */
 271 static int firm_emit_pnc(lc_appendable_t *app,
 272     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 273 {
 274         int value = arg->v_int;
 275         const char *p = get_pnc_string(value);
 276
 277         return lc_arg_append(app, occ, p, strlen(p));
 278 }
 279
 280 lc_arg_env_t *firm_get_arg_env(void)
 281 {
 282
 283         static lc_arg_env_t *env = NULL;
 284
 285         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 286         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 287         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 288         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 289         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 290         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 291
 292         static struct {
 293                 const char *name;
 294                 char letter;
 295         } args[] = {
 296 #define X(name, letter) {"firm:" name, letter}
 297                 X("type",      't'),
 298                 X("entity",    'e'),
 299                 X("entity_ld", 'E'),
 300                 X("tarval",    'T'),
 301                 X("irn",       'n'),
 302                 X("op",        'O'),
 303                 X("irn_nr",    'N'),
 304                 X("mode",      'm'),
 305                 X("block",     'B'),
 306                 X("cg_path",   'P'),
 307 #undef X
 308         };
 309
 310         size_t i;
 311
 312         if (env == NULL) {
 313                 env = lc_arg_new_env();
 314                 lc_arg_add_std(env);
 315
 316                 lc_arg_register(env, "firm", 'F', &firm_handler);
 317                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 318                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 319
 320                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 321                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 322                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 323                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 324                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 325         }
 326
 327         return env;
 328 }