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         (void) occ;
  45         /* Firm objects are always pointer */
  46         return lc_arg_type_ptr;
  47 }
  48
  49 static int firm_get_arg_type_int(const lc_arg_occ_t *occ) {
  50         (void) occ;
  51         return lc_arg_type_int;
  52 }
  53
  54
  55 static int bitset_get_arg_type(const lc_arg_occ_t *occ) {
  56         (void) occ;
  57         return lc_arg_type_ptr;
  58 }
  59
  60 static int bitset_emit(lc_appendable_t *app,
  61     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  62 {
  63         int res = 2;
  64         bitset_t *b = arg->v_ptr;
  65         bitset_pos_t p;
  66         char buf[32];
  67         const char *prefix = "";
  68
  69         lc_arg_append(app, occ, "[", 1);
  70         bitset_foreach(b, p) {
  71                 int n;
  72
  73                 n = snprintf(buf, sizeof(buf), "%s%d", prefix, (int) p);
  74                 lc_arg_append(app, occ, buf, n);
  75                 prefix = ", ";
  76                 res += n;
  77         }
  78         lc_arg_append(app, occ, "]", 1);
  79
  80         return res;
  81 }
  82
  83 /**
  84  * emit an opaque Firm dbg_info object
  85  */
  86 static int firm_emit_dbg(lc_appendable_t *app,
  87     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  88 {
  89         char buf[1024];
  90         ir_node *irn = arg->v_ptr;
  91         dbg_info *dbg = get_irn_dbg_info(irn);
  92
  93         buf[0] = '\0';
  94         if (dbg && __dbg_info_snprint) {
  95                 if (__dbg_info_snprint(buf, sizeof(buf), dbg) <= 0)
  96                         buf[0] = '\0';
  97         }
  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         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                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"), get_type_tpop_name(X), get_type_name(X));
 145                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 146                 break;
 147         case k_ir_graph:
 148                 if (X == get_const_code_irg())
 149                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 150                 else
 151                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(X)));
 152                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(X));
 153                 break;
 154         case k_ir_node:
 155                 switch (occ->conversion) {
 156                 case 'B':
 157                         block = is_no_Block(X) ? get_nodes_block(X) : X;
 158                         snprintf(buf, sizeof(buf), "%s%s%s", A("irn"), get_irn_opname(block),
 159                                 get_mode_name(get_irn_mode(block)));
 160                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 161                         break;
 162                 case 'N':
 163                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(X));
 164                         break;
 165                 default:
 166                         if (is_Const(X)) {
 167                                 tarval *tv = get_Const_tarval(X);
 168                                 if (tv)
 169                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 170                                 else
 171                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 172                                 snprintf(buf, sizeof(buf), "%s%s%s<%s>", A("irn"), get_irn_opname(X),
 173                                         get_mode_name(get_irn_mode(X)), tv_buf);
 174                         }
 175                         else
 176                                 snprintf(buf, sizeof(buf), "%s%s%s", A("irn"), get_irn_opname(X),
 177                                 get_mode_name(get_irn_mode(X)));
 178                         snprintf(add, sizeof(add), "[%ld:%d]", get_irn_node_nr(X), get_irn_idx(X));
 179                         }
 180                         break;
 181         case k_ir_mode:
 182                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(X));
 183                 break;
 184         case k_tarval:
 185                 tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 186                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 187                 break;
 188         case k_ir_loop:
 189                 snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 190                 break;
 191         case k_ir_op:
 192                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(X));
 193                 break;
 194         case k_ir_compound_graph_path:
 195                 n = get_compound_graph_path_length(X);
 196
 197                 for (i = 0; i < n; ++i) {
 198                         ent = get_compound_graph_path_node(X, i);
 199
 200                         strncat(buf, ".", sizeof(buf));
 201                         strncat(buf, get_entity_name(ent), sizeof(buf));
 202                         if (is_Array_type(get_entity_owner(ent))) {
 203                                 snprintf(add, sizeof(add), "[%d]",
 204                                         get_compound_graph_path_array_index(X, i));
 205                                 strncat(buf, add, sizeof(buf));
 206                         }
 207                 }
 208                 add[0] = '\0';
 209                 break;
 210         case k_ir_extblk:
 211                 snprintf(buf, sizeof(buf), "ExtBlock");
 212                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(X)));
 213                 break;
 214
 215         default:
 216                 snprintf(buf, sizeof(buf), "UNKWN");
 217                 snprintf(add, sizeof(add), "[%p]", X);
 218                 }
 219         }
 220
 221         if (occ->flag_plus)
 222                 strncat(buf, add, sizeof(buf));
 223
 224         return lc_arg_append(app, occ, buf, strlen(buf));
 225
 226 #undef A
 227 }
 228
 229 /**
 230  * emit an ident
 231  */
 232 static int firm_emit_ident(lc_appendable_t *app,
 233     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 234 {
 235         ident *id = (ident *)arg->v_ptr;
 236         const char *p = id ? get_id_str(id) : "(null)";
 237
 238         return lc_arg_append(app, occ, p, strlen(p));
 239 }
 240
 241 /**
 242  * Emit indent.
 243  */
 244 static int firm_emit_indent(lc_appendable_t *app,
 245     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 246 {
 247         int i;
 248         int width  = occ->width > 0 ? occ->width : 1;
 249         int amount = arg->v_int * width;
 250
 251         for (i = 0; i < amount; ++i)
 252                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 253
 254         return amount;
 255 }
 256
 257 /**
 258  * Emit pnc.
 259  */
 260 static int firm_emit_pnc(lc_appendable_t *app,
 261     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 262 {
 263         int value = arg->v_int;
 264         const char *p = get_pnc_string(value);
 265
 266         return lc_arg_append(app, occ, p, strlen(p));
 267 }
 268
 269 lc_arg_env_t *firm_get_arg_env(void)
 270 {
 271
 272         static lc_arg_env_t *env = NULL;
 273
 274         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 275         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 276         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 277         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 278         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 279         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 280
 281         static struct {
 282                 const char *name;
 283                 char letter;
 284         } args[] = {
 285 #define X(name, letter) {"firm:" name, letter}
 286                 X("type",      't'),
 287                 X("entity",    'e'),
 288                 X("entity_ld", 'E'),
 289                 X("tarval",    'T'),
 290                 X("irn",       'n'),
 291                 X("op",        'O'),
 292                 X("irn_nr",    'N'),
 293                 X("mode",      'm'),
 294                 X("block",     'B'),
 295                 X("cg_path",   'P'),
 296 #undef X
 297         };
 298
 299         size_t i;
 300
 301         if (env == NULL) {
 302                 env = lc_arg_new_env();
 303                 lc_arg_add_std(env);
 304
 305                 lc_arg_register(env, "firm", 'F', &firm_handler);
 306                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 307                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 308
 309                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 310                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 311                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 312                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 313                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 314         }
 315
 316         return env;
 317 }