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

   1 /*
   2  * Copyright (C) 1995-2011 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 = (bitset_t*)arg->v_ptr;
  69         size_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 = (ir_node*)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 = (void*)arg->v_ptr;
 120         firm_kind *obj = (firm_kind*)X;
 121         size_t 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 == NULL) {
 132                 return lc_arg_append(app, occ, "(null)", 6);
 133         }
 134
 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                 ir_entity *entity = (ir_entity*)X;
 142                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 143                         isupper(occ->conversion) ? get_entity_ld_name_ex(entity): get_entity_name(entity));
 144                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(entity));
 145                 break;
 146         }
 147         case k_type: {
 148                 ir_type *type = (ir_type*)X;
 149                 char type_name[256];
 150                 ir_print_type(type_name, sizeof(type_name), type);
 151                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"),
 152                          get_type_tpop_name(type), type_name);
 153                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(type));
 154                 break;
 155         }
 156         case k_ir_graph: {
 157                 ir_graph *irg = (ir_graph*)X;
 158                 if (irg == get_const_code_irg())
 159                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 160                 else
 161                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(irg)));
 162                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(irg));
 163                 break;
 164         }
 165         case k_ir_node: {
 166                 ir_node *node = (ir_node*)X;
 167                 switch (occ->conversion) {
 168                 case 'B':
 169                         block = !is_Block(node) ? get_nodes_block(node) : node;
 170                         snprintf(buf, sizeof(buf), "%s%s %s", A("irn"),
 171                                  get_irn_opname(block), get_mode_name(get_irn_mode(block)));
 172                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 173                         break;
 174                 case 'N':
 175                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(node));
 176                         break;
 177                 default:
 178                         if (is_Const(node)) {
 179                                 ir_tarval *tv = get_Const_tarval(node);
 180                                 if (tv)
 181                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 182                                 else
 183                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 184                                 snprintf(buf, sizeof(buf), "%s%s %s<%s>", A("irn"), get_irn_opname(node),
 185                                         get_mode_name(get_irn_mode(node)), tv_buf);
 186                         } else if (is_SymConst_addr_ent(node)) {
 187                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(node),
 188                                 get_mode_name(get_irn_mode(node)), get_entity_name(get_SymConst_entity(node)));
 189                         } else if (is_Sel(node)) {
 190                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(node),
 191                                 get_mode_name(get_irn_mode(node)), get_entity_name(get_Sel_entity(node)));
 192                         } else {
 193                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(node),
 194                                 get_mode_name(get_irn_mode(node)));
 195                         }
 196                         snprintf(add, sizeof(add), "[%ld:%u]", get_irn_node_nr(node), get_irn_idx(node));
 197                 }
 198                 break;
 199         }
 200         case k_ir_mode: {
 201                 ir_mode *mode = (ir_mode*)X;
 202                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(mode));
 203                 break;
 204         }
 205         case k_tarval: {
 206                 ir_tarval *tarval = (ir_tarval*)X;
 207                 tarval_snprintf(tv_buf, sizeof(tv_buf), tarval);
 208                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 209                 break;
 210         }
 211         case k_ir_loop: {
 212                 ir_loop *loop = (ir_loop*)X;
 213                 snprintf(buf, sizeof(buf), "loop[%ld:%u]", get_loop_loop_nr(loop), get_loop_depth(loop));
 214                 break;
 215         }
 216         case k_ir_op: {
 217                 ir_op *op = (ir_op*)X;
 218                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(op));
 219                 break;
 220         }
 221         case k_ir_compound_graph_path: {
 222                 compound_graph_path *path = (compound_graph_path*)X;
 223                 n = get_compound_graph_path_length(path);
 224
 225                 for (i = 0; i < n; ++i) {
 226                         ent = get_compound_graph_path_node(path, i);
 227
 228                         strncat(buf, ".", sizeof(buf)-1);
 229                         strncat(buf, get_entity_name(ent), sizeof(buf)-1);
 230                         if (is_Array_type(get_entity_owner(ent))) {
 231                                 snprintf(add, sizeof(add), "[%ld]",
 232                                         get_compound_graph_path_array_index(path, i));
 233                                 strncat(buf, add, sizeof(buf)-1);
 234                         }
 235                 }
 236                 add[0] = '\0';
 237                 break;
 238         }
 239         case k_ir_extblk: {
 240                 ir_extblk *extblk = (ir_extblk*)X;
 241                 snprintf(buf, sizeof(buf), "ExtBlock");
 242                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(extblk)));
 243                 break;
 244         }
 245
 246         default:
 247                 snprintf(buf, sizeof(buf), "UNKWN");
 248                 snprintf(add, sizeof(add), "[%p]", X);
 249         }
 250
 251         if (occ->flag_plus)
 252                 strncat(buf, add, sizeof(buf)-1);
 253
 254         return lc_arg_append(app, occ, buf, strlen(buf));
 255 #undef A
 256 }
 257
 258 /**
 259  * emit an ident
 260  */
 261 static int firm_emit_ident(lc_appendable_t *app,
 262     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 263 {
 264         ident *id = (ident *)arg->v_ptr;
 265         const char *p = id ? get_id_str(id) : "(null)";
 266
 267         return lc_arg_append(app, occ, p, strlen(p));
 268 }
 269
 270 /**
 271  * Emit indent.
 272  */
 273 static int firm_emit_indent(lc_appendable_t *app,
 274     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 275 {
 276         int i;
 277         int width  = occ->width > 0 ? occ->width : 1;
 278         int amount = arg->v_int * width;
 279
 280         for (i = 0; i < amount; ++i)
 281                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 282
 283         return amount;
 284 }
 285
 286 /**
 287  * Emit pnc.
 288  */
 289 static int firm_emit_pnc(lc_appendable_t *app,
 290     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 291 {
 292         int value = arg->v_int;
 293         const char *p = get_pnc_string(value);
 294
 295         return lc_arg_append(app, occ, p, strlen(p));
 296 }
 297
 298 lc_arg_env_t *firm_get_arg_env(void)
 299 {
 300
 301         static lc_arg_env_t *env = NULL;
 302
 303         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 304         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 305         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 306         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 307         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 308         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 309
 310         static struct {
 311                 const char *name;
 312                 char letter;
 313         } args[] = {
 314                 {"firm:type",      't'},
 315                 {"firm:entity",    'e'},
 316                 {"firm:entity_ld", 'E'},
 317                 {"firm:tarval",    'T'},
 318                 {"firm:irn",       'n'},
 319                 {"firm:op",        'O'},
 320                 {"firm:irn_nr",    'N'},
 321                 {"firm:mode",      'm'},
 322                 {"firm:block",     'B'},
 323                 {"firm:cg_path",   'P'},
 324         };
 325
 326         size_t i;
 327
 328         if (env == NULL) {
 329                 env = lc_arg_new_env();
 330                 lc_arg_add_std(env);
 331
 332                 lc_arg_register(env, "firm", 'F', &firm_handler);
 333                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 334                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 335
 336                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 337                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 338                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 339                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 340                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 341         }
 342
 343         return env;
 344 }