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 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include "firm_config.h"
  31
  32 #include "bitset.h"
  33
  34 #include <ctype.h>
  35
  36 #include "lc_printf.h"
  37 #include "firm_common.h"
  38 #include "irnode_t.h"
  39 #include "entity_t.h"
  40 #include "irloop_t.h"
  41 #include "tv_t.h"
  42 #include "dbginfo_t.h"
  43
  44 /**
  45  * identify a firm object type
  46  */
  47 static int firm_get_arg_type(const lc_arg_occ_t *occ) {
  48         (void) occ;
  49         /* Firm objects are always pointer */
  50         return lc_arg_type_ptr;
  51 }
  52
  53 static int firm_get_arg_type_int(const lc_arg_occ_t *occ) {
  54         (void) occ;
  55         return lc_arg_type_int;
  56 }
  57
  58
  59 static int bitset_get_arg_type(const lc_arg_occ_t *occ) {
  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         bitset_pos_t 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         buf[0] = '\0';
  98         if (dbg && __dbg_info_snprint) {
  99                 if (__dbg_info_snprint(buf, sizeof(buf), dbg) <= 0)
 100                         buf[0] = '\0';
 101         }
 102         return lc_arg_append(app, occ, buf, strlen(buf));
 103 }
 104
 105 /**
 106  * Beware: do not set the entity ld_name
 107  */
 108 static const char *get_entity_ld_name_ex(ir_entity *ent) {
 109         if (ent->ld_name)
 110                 return get_entity_ld_name(ent);
 111         return get_entity_name(ent);
 112 }
 113
 114 /**
 115  * emit a Firm object
 116  */
 117 static int firm_emit(lc_appendable_t *app,
 118     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 119 {
 120 #define A(s)    occ->flag_hash ? s " ": ""
 121
 122         void *X = arg->v_ptr;
 123         firm_kind *obj = X;
 124         int i, n;
 125         ir_node *block;
 126         char add[64];
 127         char buf[256];
 128         char tv_buf[256];
 129         ir_entity *ent;
 130
 131         buf[0] = '\0';
 132         add[0] = '\0';
 133
 134         if (! X)
 135                 strncpy(buf, "(null)", sizeof(buf));
 136         else {
 137                 switch (*obj) {
 138         case k_BAD:
 139                 snprintf(buf, sizeof(buf), "BAD");
 140                 snprintf(add, sizeof(add), "[%p]", X);
 141                 break;
 142         case k_entity:
 143                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 144                         isupper(occ->conversion) ? get_entity_ld_name_ex(X): get_entity_name(X));
 145                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(X));
 146                 break;
 147         case k_type:
 148                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"), get_type_tpop_name(X), get_type_name(X));
 149                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 150                 break;
 151         case k_ir_graph:
 152                 if (X == get_const_code_irg())
 153                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 154                 else
 155                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(X)));
 156                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(X));
 157                 break;
 158         case k_ir_node:
 159                 switch (occ->conversion) {
 160                 case 'B':
 161                         block = is_no_Block(X) ? get_nodes_block(X) : X;
 162                         snprintf(buf, sizeof(buf), "%s%s%s", A("irn"), get_irn_opname(block),
 163                                 get_mode_name(get_irn_mode(block)));
 164                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 165                         break;
 166                 case 'N':
 167                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(X));
 168                         break;
 169                 default:
 170                         if (is_Const(X)) {
 171                                 tarval *tv = get_Const_tarval(X);
 172                                 if (tv)
 173                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 174                                 else
 175                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 176                                 snprintf(buf, sizeof(buf), "%s%s%s<%s>", A("irn"), get_irn_opname(X),
 177                                         get_mode_name(get_irn_mode(X)), tv_buf);
 178                         }
 179                         else
 180                                 snprintf(buf, sizeof(buf), "%s%s%s", A("irn"), get_irn_opname(X),
 181                                 get_mode_name(get_irn_mode(X)));
 182                         snprintf(add, sizeof(add), "[%ld:%d]", get_irn_node_nr(X), get_irn_idx(X));
 183                         }
 184                         break;
 185         case k_ir_mode:
 186                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(X));
 187                 break;
 188         case k_tarval:
 189                 tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 190                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 191                 break;
 192         case k_ir_loop:
 193                 snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 194                 break;
 195         case k_ir_op:
 196                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(X));
 197                 break;
 198         case k_ir_compound_graph_path:
 199                 n = get_compound_graph_path_length(X);
 200
 201                 for (i = 0; i < n; ++i) {
 202                         ent = get_compound_graph_path_node(X, i);
 203
 204                         strncat(buf, ".", sizeof(buf));
 205                         strncat(buf, get_entity_name(ent), sizeof(buf));
 206                         if (is_Array_type(get_entity_owner(ent))) {
 207                                 snprintf(add, sizeof(add), "[%d]",
 208                                         get_compound_graph_path_array_index(X, i));
 209                                 strncat(buf, add, sizeof(buf));
 210                         }
 211                 }
 212                 add[0] = '\0';
 213                 break;
 214         case k_ir_extblk:
 215                 snprintf(buf, sizeof(buf), "ExtBlock");
 216                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(X)));
 217                 break;
 218
 219         default:
 220                 snprintf(buf, sizeof(buf), "UNKWN");
 221                 snprintf(add, sizeof(add), "[%p]", X);
 222                 }
 223         }
 224
 225         if (occ->flag_plus)
 226                 strncat(buf, add, sizeof(buf));
 227
 228         return lc_arg_append(app, occ, buf, strlen(buf));
 229
 230 #undef A
 231 }
 232
 233 /**
 234  * emit an ident
 235  */
 236 static int firm_emit_ident(lc_appendable_t *app,
 237     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 238 {
 239         ident *id = (ident *)arg->v_ptr;
 240         const char *p = id ? get_id_str(id) : "(null)";
 241
 242         return lc_arg_append(app, occ, p, strlen(p));
 243 }
 244
 245 /**
 246  * Emit indent.
 247  */
 248 static int firm_emit_indent(lc_appendable_t *app,
 249     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 250 {
 251         int i;
 252         int width  = occ->width > 0 ? occ->width : 1;
 253         int amount = arg->v_int * width;
 254
 255         for (i = 0; i < amount; ++i)
 256                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 257
 258         return amount;
 259 }
 260
 261 /**
 262  * Emit pnc.
 263  */
 264 static int firm_emit_pnc(lc_appendable_t *app,
 265     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 266 {
 267         int value = arg->v_int;
 268         const char *p = get_pnc_string(value);
 269
 270         return lc_arg_append(app, occ, p, strlen(p));
 271 }
 272
 273 lc_arg_env_t *firm_get_arg_env(void)
 274 {
 275
 276         static lc_arg_env_t *env = NULL;
 277
 278         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 279         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 280         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 281         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 282         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 283         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 284
 285         static struct {
 286                 const char *name;
 287                 char letter;
 288         } args[] = {
 289 #define X(name, letter) {"firm:" name, letter}
 290                 X("type",      't'),
 291                 X("entity",    'e'),
 292                 X("entity_ld", 'E'),
 293                 X("tarval",    'T'),
 294                 X("irn",       'n'),
 295                 X("op",        'O'),
 296                 X("irn_nr",    'N'),
 297                 X("mode",      'm'),
 298                 X("block",     'B'),
 299                 X("cg_path",   'P'),
 300 #undef X
 301         };
 302
 303         size_t i;
 304
 305         if (env == NULL) {
 306                 env = lc_arg_new_env();
 307                 lc_arg_add_std(env);
 308
 309                 lc_arg_register(env, "firm", 'F', &firm_handler);
 310                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 311                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 312
 313                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 314                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 315                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 316                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 317                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 318         }
 319
 320         return env;
 321 }