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
  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 = (bitset_t*)arg->v_ptr;
  68         size_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 = (ir_node*)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 = (void*)arg->v_ptr;
 119         firm_kind *obj = (firm_kind*)X;
 120         size_t 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 == NULL) {
 131                 return lc_arg_append(app, occ, "(null)", 6);
 132         }
 133
 134         switch (*obj) {
 135         case k_BAD:
 136                 snprintf(buf, sizeof(buf), "BAD");
 137                 snprintf(add, sizeof(add), "[%p]", X);
 138                 break;
 139         case k_entity: {
 140                 ir_entity *entity = (ir_entity*)X;
 141                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 142                         isupper((unsigned char)occ->conversion) ? get_entity_ld_name_ex(entity): get_entity_name(entity));
 143                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(entity));
 144                 break;
 145         }
 146         case k_type: {
 147                 ir_type *type = (ir_type*)X;
 148                 char type_name[256];
 149                 ir_print_type(type_name, sizeof(type_name), type);
 150                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"),
 151                          get_type_tpop_name(type), type_name);
 152                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(type));
 153                 break;
 154         }
 155         case k_ir_graph: {
 156                 ir_graph *irg = (ir_graph*)X;
 157                 if (irg == get_const_code_irg())
 158                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 159                 else
 160                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(irg)));
 161                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(irg));
 162                 break;
 163         }
 164         case k_ir_node: {
 165                 ir_node *node = (ir_node*)X;
 166                 switch (occ->conversion) {
 167                 case 'B':
 168                         block = !is_Block(node) ? get_nodes_block(node) : node;
 169                         snprintf(buf, sizeof(buf), "%s%s %s", A("irn"),
 170                                  get_irn_opname(block), get_mode_name(get_irn_mode(block)));
 171                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 172                         break;
 173                 case 'N':
 174                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(node));
 175                         break;
 176                 default:
 177                         if (is_Const(node)) {
 178                                 ir_tarval *tv = get_Const_tarval(node);
 179                                 if (tv)
 180                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 181                                 else
 182                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 183                                 snprintf(buf, sizeof(buf), "%s%s %s<%s>", A("irn"), get_irn_opname(node),
 184                                         get_mode_name(get_irn_mode(node)), tv_buf);
 185                         } else if (is_SymConst_addr_ent(node)) {
 186                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(node),
 187                                 get_mode_name(get_irn_mode(node)), get_entity_name(get_SymConst_entity(node)));
 188                         } else if (is_Sel(node)) {
 189                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(node),
 190                                 get_mode_name(get_irn_mode(node)), get_entity_name(get_Sel_entity(node)));
 191                         } else if (is_Cmp(node)) {
 192                                 ir_relation relation = get_Cmp_relation(node);
 193                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(node), get_relation_string(relation));
 194                         } else {
 195                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(node),
 196                                 get_mode_name(get_irn_mode(node)));
 197                         }
 198                         snprintf(add, sizeof(add), "[%ld:%u]", get_irn_node_nr(node), get_irn_idx(node));
 199                 }
 200                 break;
 201         }
 202         case k_ir_mode: {
 203                 ir_mode *mode = (ir_mode*)X;
 204                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(mode));
 205                 break;
 206         }
 207         case k_tarval: {
 208                 ir_tarval *tarval = (ir_tarval*)X;
 209                 tarval_snprintf(tv_buf, sizeof(tv_buf), tarval);
 210                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 211                 break;
 212         }
 213         case k_ir_loop: {
 214                 ir_loop *loop = (ir_loop*)X;
 215                 snprintf(buf, sizeof(buf), "loop[%ld:%u]", get_loop_loop_nr(loop), get_loop_depth(loop));
 216                 break;
 217         }
 218         case k_ir_op: {
 219                 ir_op *op = (ir_op*)X;
 220                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(op));
 221                 break;
 222         }
 223         case k_ir_compound_graph_path: {
 224                 compound_graph_path *path = (compound_graph_path*)X;
 225                 n = get_compound_graph_path_length(path);
 226
 227                 for (i = 0; i < n; ++i) {
 228                         ent = get_compound_graph_path_node(path, i);
 229
 230                         strncat(buf, ".", sizeof(buf)-1);
 231                         strncat(buf, get_entity_name(ent), sizeof(buf)-1);
 232                         if (is_Array_type(get_entity_owner(ent))) {
 233                                 snprintf(add, sizeof(add), "[%ld]",
 234                                         get_compound_graph_path_array_index(path, i));
 235                                 strncat(buf, add, sizeof(buf)-1);
 236                         }
 237                 }
 238                 add[0] = '\0';
 239                 break;
 240         }
 241         case k_ir_extblk: {
 242                 ir_extblk *extblk = (ir_extblk*)X;
 243                 snprintf(buf, sizeof(buf), "ExtBlock");
 244                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(extblk)));
 245                 break;
 246         }
 247
 248         default:
 249                 snprintf(buf, sizeof(buf), "UNKWN");
 250                 snprintf(add, sizeof(add), "[%p]", X);
 251         }
 252
 253         if (occ->flag_plus)
 254                 strncat(buf, add, sizeof(buf)-1);
 255
 256         return lc_arg_append(app, occ, buf, strlen(buf));
 257 #undef A
 258 }
 259
 260 /**
 261  * emit an ident
 262  */
 263 static int firm_emit_ident(lc_appendable_t *app,
 264     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 265 {
 266         ident *id = (ident *)arg->v_ptr;
 267         const char *p = id ? get_id_str(id) : "(null)";
 268
 269         return lc_arg_append(app, occ, p, strlen(p));
 270 }
 271
 272 /**
 273  * Emit indent.
 274  */
 275 static int firm_emit_indent(lc_appendable_t *app,
 276     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 277 {
 278         int i;
 279         int width  = occ->width > 0 ? occ->width : 1;
 280         int amount = arg->v_int * width;
 281
 282         for (i = 0; i < amount; ++i)
 283                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 284
 285         return amount;
 286 }
 287
 288 /**
 289  * Emit pnc.
 290  */
 291 static int firm_emit_pnc(lc_appendable_t *app,
 292     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 293 {
 294         int value = arg->v_int;
 295         const char *p = get_relation_string(value);
 296
 297         return lc_arg_append(app, occ, p, strlen(p));
 298 }
 299
 300 lc_arg_env_t *firm_get_arg_env(void)
 301 {
 302
 303         static lc_arg_env_t *env = NULL;
 304
 305         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 306         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 307         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 308         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 309         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 310         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 311
 312         static struct {
 313                 const char *name;
 314                 char letter;
 315         } args[] = {
 316                 {"firm:type",      't'},
 317                 {"firm:entity",    'e'},
 318                 {"firm:entity_ld", 'E'},
 319                 {"firm:tarval",    'T'},
 320                 {"firm:irn",       'n'},
 321                 {"firm:op",        'O'},
 322                 {"firm:irn_nr",    'N'},
 323                 {"firm:mode",      'm'},
 324                 {"firm:block",     'B'},
 325                 {"firm:cg_path",   'P'},
 326         };
 327
 328         size_t i;
 329
 330         if (env == NULL) {
 331                 env = lc_arg_new_env();
 332                 lc_arg_add_std(env);
 333
 334                 lc_arg_register(env, "firm", 'F', &firm_handler);
 335                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 336                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 337
 338                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 339                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 340                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 341                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 342                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 343         }
 344
 345         return env;
 346 }