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 "bitset.h"
  31
  32 #include <ctype.h>
  33
  34 #include "lc_printf.h"
  35 #include "firm_common.h"
  36 #include "irnode_t.h"
  37 #include "entity_t.h"
  38 #include "irloop_t.h"
  39 #include "tv_t.h"
  40 #include "dbginfo_t.h"
  41
  42 /**
  43  * identify a firm object type
  44  */
  45 static int firm_get_arg_type(const lc_arg_occ_t *occ) {
  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         (void) occ;
  53         return lc_arg_type_int;
  54 }
  55
  56
  57 static int bitset_get_arg_type(const lc_arg_occ_t *occ) {
  58         (void) occ;
  59         return lc_arg_type_ptr;
  60 }
  61
  62 static int bitset_emit(lc_appendable_t *app,
  63     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  64 {
  65         int res = 2;
  66         bitset_t *b = arg->v_ptr;
  67         bitset_pos_t p;
  68         char buf[32];
  69         const char *prefix = "";
  70
  71         lc_arg_append(app, occ, "[", 1);
  72         bitset_foreach(b, p) {
  73                 int n;
  74
  75                 n = snprintf(buf, sizeof(buf), "%s%d", prefix, (int) p);
  76                 lc_arg_append(app, occ, buf, n);
  77                 prefix = ", ";
  78                 res += n;
  79         }
  80         lc_arg_append(app, occ, "]", 1);
  81
  82         return res;
  83 }
  84
  85 /**
  86  * emit an opaque Firm dbg_info object
  87  */
  88 static int firm_emit_dbg(lc_appendable_t *app,
  89     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  90 {
  91         char buf[1024];
  92         ir_node *irn = arg->v_ptr;
  93         dbg_info *dbg = get_irn_dbg_info(irn);
  94
  95         buf[0] = '\0';
  96         if (dbg && __dbg_info_snprint) {
  97                 if (__dbg_info_snprint(buf, sizeof(buf), dbg) <= 0)
  98                         buf[0] = '\0';
  99         }
 100         return lc_arg_append(app, occ, buf, strlen(buf));
 101 }
 102
 103 /**
 104  * Beware: do not set the entity ld_name
 105  */
 106 static const char *get_entity_ld_name_ex(ir_entity *ent) {
 107         if (ent->ld_name)
 108                 return get_entity_ld_name(ent);
 109         return get_entity_name(ent);
 110 }
 111
 112 /**
 113  * emit a Firm object
 114  */
 115 static int firm_emit(lc_appendable_t *app,
 116     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 117 {
 118 #define A(s)    occ->flag_hash ? s " ": ""
 119
 120         void *X = arg->v_ptr;
 121         firm_kind *obj = X;
 122         int i, n;
 123         ir_node *block;
 124         char add[64];
 125         char buf[256];
 126         char tv_buf[256];
 127         ir_entity *ent;
 128
 129         buf[0] = '\0';
 130         add[0] = '\0';
 131
 132         if (! X)
 133                 strncpy(buf, "(null)", sizeof(buf));
 134         else {
 135                 switch (*obj) {
 136         case k_BAD:
 137                 snprintf(buf, sizeof(buf), "BAD");
 138                 snprintf(add, sizeof(add), "[%p]", X);
 139                 break;
 140         case k_entity:
 141                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 142                         isupper(occ->conversion) ? get_entity_ld_name_ex(X): get_entity_name(X));
 143                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(X));
 144                 break;
 145         case k_type:
 146                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"), get_type_tpop_name(X), get_type_name(X));
 147                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 148                 break;
 149         case k_ir_graph:
 150                 if (X == get_const_code_irg())
 151                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 152                 else
 153                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(X)));
 154                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(X));
 155                 break;
 156         case k_ir_node:
 157                 switch (occ->conversion) {
 158                 case 'B':
 159                         block = is_no_Block(X) ? get_nodes_block(X) : X;
 160                         snprintf(buf, sizeof(buf), "%s%s%s", A("irn"), get_irn_opname(block),
 161                                 get_mode_name(get_irn_mode(block)));
 162                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 163                         break;
 164                 case 'N':
 165                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(X));
 166                         break;
 167                 default:
 168                         if (is_Const(X)) {
 169                                 tarval *tv = get_Const_tarval(X);
 170                                 if (tv)
 171                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 172                                 else
 173                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 174                                 snprintf(buf, sizeof(buf), "%s%s%s<%s>", A("irn"), get_irn_opname(X),
 175                                         get_mode_name(get_irn_mode(X)), tv_buf);
 176                         }
 177                         else
 178                                 snprintf(buf, sizeof(buf), "%s%s%s", A("irn"), get_irn_opname(X),
 179                                 get_mode_name(get_irn_mode(X)));
 180                         snprintf(add, sizeof(add), "[%ld:%d]", get_irn_node_nr(X), get_irn_idx(X));
 181                         }
 182                         break;
 183         case k_ir_mode:
 184                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(X));
 185                 break;
 186         case k_tarval:
 187                 tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 188                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 189                 break;
 190         case k_ir_loop:
 191                 snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 192                 break;
 193         case k_ir_op:
 194                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(X));
 195                 break;
 196         case k_ir_compound_graph_path:
 197                 n = get_compound_graph_path_length(X);
 198
 199                 for (i = 0; i < n; ++i) {
 200                         ent = get_compound_graph_path_node(X, i);
 201
 202                         strncat(buf, ".", sizeof(buf));
 203                         strncat(buf, get_entity_name(ent), sizeof(buf));
 204                         if (is_Array_type(get_entity_owner(ent))) {
 205                                 snprintf(add, sizeof(add), "[%d]",
 206                                         get_compound_graph_path_array_index(X, i));
 207                                 strncat(buf, add, sizeof(buf));
 208                         }
 209                 }
 210                 add[0] = '\0';
 211                 break;
 212         case k_ir_extblk:
 213                 snprintf(buf, sizeof(buf), "ExtBlock");
 214                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(X)));
 215                 break;
 216
 217         default:
 218                 snprintf(buf, sizeof(buf), "UNKWN");
 219                 snprintf(add, sizeof(add), "[%p]", X);
 220                 }
 221         }
 222
 223         if (occ->flag_plus)
 224                 strncat(buf, add, sizeof(buf));
 225
 226         return lc_arg_append(app, occ, buf, strlen(buf));
 227
 228 #undef A
 229 }
 230
 231 /**
 232  * emit an ident
 233  */
 234 static int firm_emit_ident(lc_appendable_t *app,
 235     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 236 {
 237         ident *id = (ident *)arg->v_ptr;
 238         const char *p = id ? get_id_str(id) : "(null)";
 239
 240         return lc_arg_append(app, occ, p, strlen(p));
 241 }
 242
 243 /**
 244  * Emit indent.
 245  */
 246 static int firm_emit_indent(lc_appendable_t *app,
 247     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 248 {
 249         int i;
 250         int width  = occ->width > 0 ? occ->width : 1;
 251         int amount = arg->v_int * width;
 252
 253         for (i = 0; i < amount; ++i)
 254                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 255
 256         return amount;
 257 }
 258
 259 /**
 260  * Emit pnc.
 261  */
 262 static int firm_emit_pnc(lc_appendable_t *app,
 263     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 264 {
 265         int value = arg->v_int;
 266         const char *p = get_pnc_string(value);
 267
 268         return lc_arg_append(app, occ, p, strlen(p));
 269 }
 270
 271 lc_arg_env_t *firm_get_arg_env(void)
 272 {
 273
 274         static lc_arg_env_t *env = NULL;
 275
 276         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 277         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 278         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 279         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 280         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 281         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 282
 283         static struct {
 284                 const char *name;
 285                 char letter;
 286         } args[] = {
 287 #define X(name, letter) {"firm:" name, letter}
 288                 X("type",      't'),
 289                 X("entity",    'e'),
 290                 X("entity_ld", 'E'),
 291                 X("tarval",    'T'),
 292                 X("irn",       'n'),
 293                 X("op",        'O'),
 294                 X("irn_nr",    'N'),
 295                 X("mode",      'm'),
 296                 X("block",     'B'),
 297                 X("cg_path",   'P'),
 298 #undef X
 299         };
 300
 301         size_t i;
 302
 303         if (env == NULL) {
 304                 env = lc_arg_new_env();
 305                 lc_arg_add_std(env);
 306
 307                 lc_arg_register(env, "firm", 'F', &firm_handler);
 308                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 309                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 310
 311                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 312                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 313                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 314                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 315                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 316         }
 317
 318         return env;
 319 }