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 "bitset.h"
  29
  30 #include <ctype.h>
  31
  32 #include "lc_printf.h"
  33 #include "firm_common.h"
  34 #include "irnode_t.h"
  35 #include "entity_t.h"
  36 #include "irloop_t.h"
  37 #include "tv_t.h"
  38 #include "dbginfo_t.h"
  39
  40 /**
  41  * identify a firm object type
  42  */
  43 static int firm_get_arg_type(const lc_arg_occ_t *occ)
  44 {
  45         (void) occ;
  46         /* Firm objects are always pointer */
  47         return lc_arg_type_ptr;
  48 }
  49
  50 static int firm_get_arg_type_int(const lc_arg_occ_t *occ)
  51 {
  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 {
  59         (void) occ;
  60         return lc_arg_type_ptr;
  61 }
  62
  63 static int bitset_emit(lc_appendable_t *app,
  64     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  65 {
  66         int res = 2;
  67         bitset_t *b = arg->v_ptr;
  68         bitset_pos_t p;
  69         char buf[32];
  70         const char *prefix = "";
  71
  72         lc_arg_append(app, occ, "[", 1);
  73         bitset_foreach(b, p) {
  74                 int n;
  75
  76                 n = snprintf(buf, sizeof(buf), "%s%d", prefix, (int) p);
  77                 lc_arg_append(app, occ, buf, n);
  78                 prefix = ", ";
  79                 res += n;
  80         }
  81         lc_arg_append(app, occ, "]", 1);
  82
  83         return res;
  84 }
  85
  86 /**
  87  * emit an opaque Firm dbg_info object
  88  */
  89 static int firm_emit_dbg(lc_appendable_t *app,
  90     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  91 {
  92         char buf[1024];
  93         ir_node *irn = arg->v_ptr;
  94         dbg_info *dbg = get_irn_dbg_info(irn);
  95
  96         ir_dbg_info_snprint(buf, sizeof(buf), dbg);
  97         return lc_arg_append(app, occ, buf, strlen(buf));
  98 }
  99
 100 /**
 101  * Beware: do not set the entity ld_name
 102  */
 103 static const char *get_entity_ld_name_ex(ir_entity *ent)
 104 {
 105         if (ent->ld_name)
 106                 return get_entity_ld_name(ent);
 107         return get_entity_name(ent);
 108 }
 109
 110 /**
 111  * emit a Firm object
 112  */
 113 static int firm_emit(lc_appendable_t *app,
 114     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 115 {
 116 #define A(s)    occ->flag_hash ? s " ": ""
 117
 118         void *X = arg->v_ptr;
 119         firm_kind *obj = X;
 120         int i, n;
 121         ir_node *block;
 122         char add[64];
 123         char buf[256];
 124         char tv_buf[256];
 125         ir_entity *ent;
 126
 127         buf[0] = '\0';
 128         add[0] = '\0';
 129
 130         if (! X)
 131                 strncpy(buf, "(null)", sizeof(buf));
 132         else {
 133                 switch (*obj) {
 134         case k_BAD:
 135                 snprintf(buf, sizeof(buf), "BAD");
 136                 snprintf(add, sizeof(add), "[%p]", X);
 137                 break;
 138         case k_entity:
 139                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 140                         isupper(occ->conversion) ? get_entity_ld_name_ex(X): get_entity_name(X));
 141                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(X));
 142                 break;
 143         case k_type: {
 144                 char type_name[256];
 145                 ir_print_type(type_name, sizeof(type_name), X);
 146                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"), get_type_tpop_name(X),
 147                          type_name);
 148                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 149                 break;
 150         }
 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"),
 163                                  get_irn_opname(block), 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                         } else if (is_SymConst_addr_ent(X)) {
 179                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(X),
 180                                 get_mode_name(get_irn_mode(X)), get_entity_name(get_SymConst_entity(X)));
 181                         } else if (is_Sel(X)) {
 182                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(X),
 183                                 get_mode_name(get_irn_mode(X)), get_entity_name(get_Sel_entity(X)));
 184                         } else {
 185                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(X),
 186                                 get_mode_name(get_irn_mode(X)));
 187                         }
 188                         snprintf(add, sizeof(add), "[%ld:%d]", get_irn_node_nr(X), get_irn_idx(X));
 189                 }
 190                 break;
 191         case k_ir_mode:
 192                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(X));
 193                 break;
 194         case k_tarval:
 195                 tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 196                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 197                 break;
 198         case k_ir_loop:
 199                 snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 200                 break;
 201         case k_ir_op:
 202                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(X));
 203                 break;
 204         case k_ir_compound_graph_path:
 205                 n = get_compound_graph_path_length(X);
 206
 207                 for (i = 0; i < n; ++i) {
 208                         ent = get_compound_graph_path_node(X, i);
 209
 210                         strncat(buf, ".", sizeof(buf)-1);
 211                         strncat(buf, get_entity_name(ent), sizeof(buf)-1);
 212                         if (is_Array_type(get_entity_owner(ent))) {
 213                                 snprintf(add, sizeof(add), "[%d]",
 214                                         get_compound_graph_path_array_index(X, i));
 215                                 strncat(buf, add, sizeof(buf)-1);
 216                         }
 217                 }
 218                 add[0] = '\0';
 219                 break;
 220         case k_ir_extblk:
 221                 snprintf(buf, sizeof(buf), "ExtBlock");
 222                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(X)));
 223                 break;
 224
 225         default:
 226                 snprintf(buf, sizeof(buf), "UNKWN");
 227                 snprintf(add, sizeof(add), "[%p]", X);
 228                 }
 229         }
 230
 231         if (occ->flag_plus)
 232                 strncat(buf, add, sizeof(buf)-1);
 233
 234         return lc_arg_append(app, occ, buf, strlen(buf));
 235
 236 #undef A
 237 }
 238
 239 /**
 240  * emit an ident
 241  */
 242 static int firm_emit_ident(lc_appendable_t *app,
 243     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 244 {
 245         ident *id = (ident *)arg->v_ptr;
 246         const char *p = id ? get_id_str(id) : "(null)";
 247
 248         return lc_arg_append(app, occ, p, strlen(p));
 249 }
 250
 251 /**
 252  * Emit indent.
 253  */
 254 static int firm_emit_indent(lc_appendable_t *app,
 255     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 256 {
 257         int i;
 258         int width  = occ->width > 0 ? occ->width : 1;
 259         int amount = arg->v_int * width;
 260
 261         for (i = 0; i < amount; ++i)
 262                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 263
 264         return amount;
 265 }
 266
 267 /**
 268  * Emit pnc.
 269  */
 270 static int firm_emit_pnc(lc_appendable_t *app,
 271     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 272 {
 273         int value = arg->v_int;
 274         const char *p = get_pnc_string(value);
 275
 276         return lc_arg_append(app, occ, p, strlen(p));
 277 }
 278
 279 lc_arg_env_t *firm_get_arg_env(void)
 280 {
 281
 282         static lc_arg_env_t *env = NULL;
 283
 284         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 285         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 286         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 287         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 288         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 289         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 290
 291         static struct {
 292                 const char *name;
 293                 char letter;
 294         } args[] = {
 295 #define X(name, letter) {"firm:" name, letter}
 296                 X("type",      't'),
 297                 X("entity",    'e'),
 298                 X("entity_ld", 'E'),
 299                 X("tarval",    'T'),
 300                 X("irn",       'n'),
 301                 X("op",        'O'),
 302                 X("irn_nr",    'N'),
 303                 X("mode",      'm'),
 304                 X("block",     'B'),
 305                 X("cg_path",   'P'),
 306 #undef X
 307         };
 308
 309         size_t i;
 310
 311         if (env == NULL) {
 312                 env = lc_arg_new_env();
 313                 lc_arg_add_std(env);
 314
 315                 lc_arg_register(env, "firm", 'F', &firm_handler);
 316                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 317                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 318
 319                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 320                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 321                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 322                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 323                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 324         }
 325
 326         return env;
 327 }