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  */
  25 #include "config.h"
  26
  27 #include "irargs_t.h"
  28
  29 #include <ctype.h>
  30
  31 #include "bitset.h"
  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 #include "util.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         ir_node *block;
 122         char add[64];
 123         char buf[256];
 124         char tv_buf[256];
 125
 126         buf[0] = '\0';
 127         add[0] = '\0';
 128
 129         if (X == NULL) {
 130                 return lc_arg_append(app, occ, "(null)", 6);
 131         }
 132
 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                 ir_entity *entity = (ir_entity*)X;
 140                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 141                         isupper((unsigned char)occ->conversion) ? get_entity_ld_name_ex(entity): get_entity_name(entity));
 142                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(entity));
 143                 break;
 144         }
 145         case k_type: {
 146                 ir_type *type = (ir_type*)X;
 147                 char type_name[256];
 148                 ir_print_type(type_name, sizeof(type_name), type);
 149                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"),
 150                          get_type_tpop_name(type), type_name);
 151                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(type));
 152                 break;
 153         }
 154         case k_ir_graph: {
 155                 ir_graph *irg = (ir_graph*)X;
 156                 if (irg == get_const_code_irg())
 157                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 158                 else
 159                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(irg)));
 160                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(irg));
 161                 break;
 162         }
 163         case k_ir_node: {
 164                 ir_node *node = (ir_node*)X;
 165                 switch (occ->conversion) {
 166                 case 'B':
 167                         block = !is_Block(node) ? get_nodes_block(node) : node;
 168                         snprintf(buf, sizeof(buf), "%s%s %s", A("irn"),
 169                                  get_irn_opname(block), get_mode_name(get_irn_mode(block)));
 170                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 171                         break;
 172                 case 'N':
 173                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(node));
 174                         break;
 175                 default:
 176                         if (is_Const(node)) {
 177                                 ir_tarval *tv = get_Const_tarval(node);
 178                                 if (tv)
 179                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 180                                 else
 181                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 182                                 snprintf(buf, sizeof(buf), "%s%s %s<%s>", A("irn"), get_irn_opname(node),
 183                                         get_mode_name(get_irn_mode(node)), tv_buf);
 184                         } else if (is_SymConst_addr_ent(node)) {
 185                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(node),
 186                                 get_mode_name(get_irn_mode(node)), get_entity_name(get_SymConst_entity(node)));
 187                         } else if (is_Sel(node)) {
 188                                 ir_entity *entity = get_Sel_entity(node);
 189                                 const char *entity_name = "(null)";
 190                                 if (entity != NULL)
 191                                         entity_name = get_entity_name(entity);
 192                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(node),
 193                                 get_mode_name(get_irn_mode(node)), entity_name);
 194                         } else if (is_Cmp(node)) {
 195                                 ir_relation relation = get_Cmp_relation(node);
 196                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(node), get_relation_string(relation));
 197                         } else {
 198                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(node),
 199                                 get_mode_name(get_irn_mode(node)));
 200                         }
 201                         snprintf(add, sizeof(add), "[%ld:%u]", get_irn_node_nr(node), get_irn_idx(node));
 202                 }
 203                 break;
 204         }
 205         case k_ir_mode: {
 206                 ir_mode *mode = (ir_mode*)X;
 207                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(mode));
 208                 break;
 209         }
 210         case k_tarval: {
 211                 ir_tarval *tarval = (ir_tarval*)X;
 212                 tarval_snprintf(tv_buf, sizeof(tv_buf), tarval);
 213                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 214                 break;
 215         }
 216         case k_ir_loop: {
 217                 ir_loop *loop = (ir_loop*)X;
 218                 snprintf(buf, sizeof(buf), "loop[%ld:%u]", get_loop_loop_nr(loop), get_loop_depth(loop));
 219                 break;
 220         }
 221         case k_ir_op: {
 222                 ir_op *op = (ir_op*)X;
 223                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(op));
 224                 break;
 225         }
 226
 227         default:
 228                 snprintf(buf, sizeof(buf), "UNKWN");
 229                 snprintf(add, sizeof(add), "[%p]", X);
 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 #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         ir_relation value = (ir_relation)arg->v_int;
 274         const char *p = get_relation_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                 {"firm:type",      't'},
 296                 {"firm:entity",    'e'},
 297                 {"firm:entity_ld", 'E'},
 298                 {"firm:tarval",    'T'},
 299                 {"firm:irn",       'n'},
 300                 {"firm:op",        'O'},
 301                 {"firm:irn_nr",    'N'},
 302                 {"firm:mode",      'm'},
 303                 {"firm:block",     'B'},
 304         };
 305
 306         size_t i;
 307
 308         if (env == NULL) {
 309                 env = lc_arg_new_env();
 310                 lc_arg_add_std(env);
 311
 312                 lc_arg_register(env, "firm", 'F', &firm_handler);
 313                 for (i = 0; i != ARRAY_SIZE(args); ++i)
 314                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 315
 316                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 317                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 318                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 319                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 320                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 321         }
 322
 323         return env;
 324 }