nsz Git - libfirm/blob - scripts/gen_ir.py

   1 #!/usr/bin/env python
   2 import sys
   3 import re
   4 from jinja2 import Environment, Template
   5 from jinja2.filters import do_dictsort
   6 from spec_util import is_dynamic_pinned, verify_node, isAbstract, setdefault
   7 from ir_spec import nodes
   8
   9 def format_parameterlist(parameterlist):
  10         return "\n".join(parameterlist)
  11
  12 def format_nodearguments(node):
  13         arguments = map(lambda arg: arg["name"], node.arguments)
  14         return format_parameterlist(arguments)
  15
  16 def format_nodeparameters(node):
  17         parameters = map(lambda arg: arg["type"] + " " + arg["name"], node.arguments)
  18         return format_parameterlist(parameters)
  19
  20 def format_blockparameter(node):
  21         if hasattr(node, "knownBlock"):
  22                 if hasattr(node, "knownGraph"):
  23                         return ""
  24                 return "ir_graph *irg"
  25         else:
  26                 return "ir_node *block"
  27
  28 def format_blockargument(node):
  29         if hasattr(node, "knownBlock"):
  30                 if hasattr(node, "knownGraph"):
  31                         return ""
  32                 return "irg"
  33         else:
  34                 return "block"
  35
  36 def format_irgassign(node):
  37         if hasattr(node, "knownGraph"):
  38                 return "ir_graph *irg = %s;\n" % node.graph
  39
  40         if hasattr(node, "knownBlock"):
  41                 return ""
  42         else:
  43                 return "ir_graph *irg = get_Block_irg(block);\n"
  44
  45 def format_curblock(node):
  46         if hasattr(node, "knownBlock"):
  47                 if hasattr(node, "knownGraph"):
  48                         return ""
  49                 return "current_ir_graph"
  50         else:
  51                 return "current_ir_graph->current_block"
  52
  53 def format_insdecl(node):
  54         arity = node.arity
  55         if arity == "variable" and len(node.ins) == 0 or arity == "dynamic" or arity == 0:
  56                 return ""
  57
  58         if arity == "variable":
  59                 insarity = len(node.ins)
  60                 res = "int r_arity = arity + " + `insarity` + ";\n\tir_node **r_in;\n\t" \
  61                         + "NEW_ARR_A(ir_node *, r_in, r_arity);\n\t"
  62                 i = 0
  63                 for input in node.ins:
  64                         res += "r_in[" + `i` + "] = irn_" + input + ";\n\t"
  65                         i += 1
  66                 res += "memcpy(&r_in[" + `insarity` + "], in, sizeof(ir_node *) * arity);\n\t"
  67         else:
  68                 res = "ir_node *in[" + `arity` + "];\n\t"
  69                 i = 0
  70                 for input in node.ins:
  71                         res += "in[" + `i` + "] = irn_" + input + ";\n\t"
  72                         i += 1
  73         return res
  74
  75 def format_arity_and_ins(node):
  76         arity = node.arity
  77         if arity == "dynamic":
  78                 return "-1, NULL"
  79         elif arity == "variable":
  80                 if len(node.ins) == 0:
  81                         return "arity, in"
  82                 else:
  83                         return "r_arity, r_in"
  84         elif arity == 0:
  85                 return "0, NULL"
  86         else:
  87                 return `arity` + ", in"
  88
  89 def format_arity(node):
  90         if hasattr(node, "arity_override"):
  91                 return node.arity_override
  92         arity = node.arity
  93         if arity == "dynamic":
  94                 return "oparity_dynamic"
  95         if arity == "variable":
  96                 return "oparity_variable"
  97         if arity == 0:
  98                 return "oparity_zero"
  99         if arity == 1:
 100                 return "oparity_unary"
 101         if arity == 2:
 102                 return "oparity_binary"
 103         if arity == 3:
 104                 return "oparity_trinary"
 105         return "oparity_any"
 106
 107 def format_pinned(node):
 108         pinned = node.pinned
 109         if pinned == "yes":
 110                 return "op_pin_state_pinned"
 111         if pinned == "no":
 112                 return "op_pin_state_floats"
 113         if pinned == "exception":
 114                 return "op_pin_state_exc_pinned"
 115         if pinned == "memory":
 116                 return "op_pin_state_mem_pinned"
 117         print "WARNING: Unknown pinned state %s in format pined" % pinned
 118         return ""
 119
 120 def format_flags(node):
 121         flags = map(lambda x : "irop_flag_" + x, node.flags)
 122         if flags == []:
 123                 flags = [ "irop_flag_none" ]
 124         return " | ".join(flags)
 125
 126 def format_attr_size(node):
 127         if not hasattr(node, "attr_struct"):
 128                 return "0"
 129         return "sizeof(%s)" % node.attr_struct
 130
 131 def format_opindex(node):
 132         if hasattr(node, "op_index"):
 133                 return node.op_index
 134         return "-1"
 135
 136 def filter_isnot(list, flag):
 137         result = []
 138         for node in list:
 139                 if hasattr(node, flag):
 140                         continue
 141                 result.append(node)
 142         return result
 143
 144 def format_arguments(string, voidwhenempty = False):
 145         args = re.split('\s*\n\s*', string)
 146         if args[0] == '':
 147                 args = args[1:]
 148         if len(args) > 0 and args[-1] == '':
 149                 args = args[:-1]
 150         if len(args) == 0 and voidwhenempty:
 151                 return "void"
 152         return ", ".join(args)
 153
 154 def format_parameters(string):
 155         return format_arguments(string, voidwhenempty = True)
 156
 157 env = Environment()
 158 env.filters['parameterlist']  = format_parameterlist
 159 env.filters['nodearguments']  = format_nodearguments
 160 env.filters['nodeparameters'] = format_nodeparameters
 161 env.filters['blockparameter'] = format_blockparameter
 162 env.filters['blockargument']  = format_blockargument
 163 env.filters['irgassign']      = format_irgassign
 164 env.filters['curblock']       = format_curblock
 165 env.filters['insdecl']        = format_insdecl
 166 env.filters['arity_and_ins']  = format_arity_and_ins
 167 env.filters['arity']          = format_arity
 168 env.filters['pinned']         = format_pinned
 169 env.filters['flags']          = format_flags
 170 env.filters['attr_size']      = format_attr_size
 171 env.filters['opindex']        = format_opindex
 172 env.filters['isnot']          = filter_isnot
 173 env.filters['arguments']      = format_arguments
 174 env.filters['parameters']     = format_parameters
 175
 176 def prepare_attr(attr):
 177         if "init" in attr:
 178                 return dict(type = attr["type"], name = attr["name"], init = attr["init"])
 179         else:
 180                 return dict(type = attr["type"], name = attr["name"])
 181
 182 def preprocess_node(node):
 183         verify_node(node)
 184
 185         setdefault(node, "attrs_name", node.name.lower())
 186         setdefault(node, "block", "block")
 187
 188         # construct node arguments
 189         arguments = [ ]
 190         initattrs = [ ]
 191         specialconstrs = [ ]
 192         for input in node.ins:
 193                 arguments.append(dict(type = "ir_node *", name = "irn_" + input))
 194
 195         if node.arity == "variable" or node.arity == "dynamic":
 196                 arguments.append(dict(type = "int", name = "arity"))
 197                 arguments.append(dict(type = "ir_node **", name = "in"))
 198
 199         if not hasattr(node, "mode"):
 200                 arguments.append(dict(type = "ir_mode *", name = "mode"))
 201                 node.mode = "mode"
 202
 203         attrs_with_special = 0
 204         for attr in node.attrs:
 205                 attr.setdefault("initname", "." + attr["name"])
 206
 207                 if "special" in attr:
 208                         if not "init" in attr:
 209                                 print "Node type %s has an attribute with a \"special\" entry but without \"init\"" % node.name
 210                                 sys.exit(1)
 211
 212                         if attrs_with_special != 0:
 213                                 print "Node type %s has more than one attribute with a \"special\" entry" % node.name
 214                                 sys.exit(1)
 215
 216                         attrs_with_special += 1
 217
 218                         if "prefix" in attr["special"]:
 219                                 specialname = attr["special"]["prefix"] + node.name
 220                         elif "suffix" in attr["special"]:
 221                                 specialname = node.name + attr["special"]["suffix"]
 222                         else:
 223                                 print "Unknown special constructor type for node type %s" % node.name
 224                                 sys.exit(1)
 225
 226                         specialconstrs.append(
 227                                 dict(
 228                                         constrname = specialname,
 229                                         attr = attr
 230                                 )
 231                         )
 232                 elif not "init" in attr:
 233                         arguments.append(prepare_attr(attr))
 234
 235         # dynamic pin state means more constructor arguments
 236         if is_dynamic_pinned(node):
 237                 if hasattr(node, "pinned_init"):
 238                         initattrs.append(dict(
 239                                 initname = ".exc.pin_state",
 240                                 init     = node.pinned_init
 241                         ))
 242                 else:
 243                         node.constructor_args.append(
 244                                 dict(
 245                                         name = "pin_state",
 246                                         type = "op_pin_state"
 247                                 )
 248                         )
 249                         initattrs.append(dict(
 250                                 initname = ".exc.pin_state",
 251                                 init     = "pin_state"
 252                         ))
 253
 254         for arg in node.constructor_args:
 255                 arguments.append(prepare_attr(arg))
 256                 if arg["type"] == "ir_cons_flags":
 257                         name = arg["name"]
 258                         initattrs.append(dict(initname = ".exc.pin_state",
 259                                 init = name + " & cons_floats ? op_pin_state_floats : op_pin_state_pinned"))
 260                         initattrs.append(dict(initname = ".volatility",
 261                                 init = name + " & cons_volatile ? volatility_is_volatile : volatility_non_volatile"))
 262                         initattrs.append(dict(initname = ".aligned",
 263                                 init = name + " & cons_unaligned ? align_non_aligned : align_is_aligned"))
 264
 265         node.arguments = arguments
 266         node.initattrs = initattrs
 267         node.special_constructors = specialconstrs
 268
 269 #############################
 270
 271 constructor_template = env.from_string('''
 272
 273 ir_node *new_rd_{{node.constrname}}(
 274         {%- filter parameters %}
 275                 dbg_info *dbgi
 276                 {{node|blockparameter}}
 277                 {{node|nodeparameters}}
 278         {% endfilter %})
 279 {
 280         ir_node *res;
 281         ir_graph *rem = current_ir_graph;
 282         {{node|irgassign}}
 283         {{node|insdecl}}
 284         current_ir_graph = irg;
 285         res = new_ir_node(
 286                 {%- filter arguments %}
 287                         dbgi
 288                         irg
 289                         {{node.block}}
 290                         op_{{node.name}}
 291                         {{node.mode}}
 292                         {{node|arity_and_ins}}
 293                 {% endfilter %});
 294         {% for attr in node.attrs -%}
 295                 res->attr.{{node.attrs_name}}{{attr["initname"]}} =
 296                 {%- if "init" in attr %} {{ attr["init"] -}};
 297                 {%- else              %} {{ attr["name"] -}};
 298                 {% endif %}
 299         {% endfor %}
 300         {%- for attr in node.initattrs -%}
 301                 res->attr.{{node.attrs_name}}{{attr["initname"]}} = {{ attr["init"] -}};
 302         {%- endfor %}
 303         {{- node.init }}
 304         {% if node.optimize != False -%}
 305                 res = optimize_node(res);
 306         {% endif -%}
 307         IRN_VRFY_IRG(res, irg);
 308         current_ir_graph = rem;
 309         return res;
 310 }
 311
 312 ir_node *new_r_{{node.constrname}}(
 313                 {%- filter parameters %}
 314                         {{node|blockparameter}}
 315                         {{node|nodeparameters}}
 316                 {% endfilter %})
 317 {
 318         return new_rd_{{node.constrname}}(
 319                 {%- filter arguments %}
 320                         NULL
 321                         {{node|blockargument}}
 322                         {{node|nodearguments}}
 323                 {% endfilter %});
 324 }
 325
 326 ir_node *new_d_{{node.constrname}}(
 327                 {%- filter parameters %}
 328                         dbg_info *dbgi
 329                         {{node|nodeparameters}}
 330                 {% endfilter %})
 331 {
 332         ir_node *res;
 333         {{ node.d_pre }}
 334         res = new_rd_{{node.constrname}}(
 335                 {%- filter parameters %}
 336                         dbgi
 337                         {{node|curblock}}
 338                         {{node|nodearguments}}
 339                 {% endfilter %});
 340         {{ node.d_post }}
 341         return res;
 342 }
 343
 344 ir_node *new_{{node.constrname}}(
 345                 {%- filter parameters %}
 346                         {{node|nodeparameters}}
 347                 {% endfilter %})
 348 {
 349         return new_d_{{node.constrname}}(
 350                 {%- filter arguments %}
 351                         NULL
 352                         {{node|nodearguments}}
 353                 {% endfilter %});
 354 }
 355 ''')
 356
 357 # not used - as we have the pn_ declarations in libfirm/irnode.h where they
 358 # contain informative comments
 359 # {% for node in nodes %}
 360 # {% if node.outs %}
 361 # typedef enum {
 362 #       {%- for out in node.outs %}
 363 #       pn_{{node.name}}_{{out}},
 364 #       {%- endfor %}
 365 #       pn_{{node.name}}_max
 366 # } pn_{{node.name}};
 367 # {% endif %}
 368 # {% endfor %}
 369
 370 irnode_h_template = env.from_string('''
 371 /* Warning: automatically generated code */
 372
 373 {% for node in nodes|isnot('custom_is') %}
 374 static inline int _is_{{node.name}}(const ir_node *node)
 375 {
 376         assert(node != NULL);
 377         return _get_irn_op(node) == op_{{node.name}};
 378 }
 379 {% endfor %}
 380
 381 {% for node in nodes %}
 382 #define is_{{node.name}}(node)    _is_{{node.name}}(node)
 383 {%- endfor %}
 384
 385 ''')
 386
 387 irnode_template = env.from_string('''
 388 /* Warning: automatically generated code */
 389 {% for node in nodes %}
 390 int (is_{{node.name}})(const ir_node *node)
 391 {
 392         return _is_{{node.name}}(node);
 393 }
 394 {% endfor %}
 395 ''')
 396
 397 irop_template = env.from_string('''
 398 /* Warning: automatically generated code */
 399 {% for node in nodes %}
 400 ir_op *op_{{node.name}}; ir_op *get_op_{{node.name}}(void) { return op_{{node.name}}; }
 401 {%- endfor %}
 402
 403 void init_op(void)
 404 {
 405         {% for node in nodes %}
 406         op_{{node.name}} = new_ir_op(
 407                 {%- filter arguments %}
 408                         iro_{{node.name}}
 409                         "{{node.name}}"
 410                         {{node|pinned}}
 411                         {{node|flags}}
 412                         {{node|arity}}
 413                         {{node|opindex}}
 414                         {{node|attr_size}}
 415                         NULL
 416                 {% endfilter %});
 417         {%- endfor %}
 418
 419         be_init_op();
 420 }
 421
 422 void finish_op(void)
 423 {
 424         {% for node in nodes %}
 425         free_ir_op(op_{{node.name}}); op_{{node.name}} = NULL;
 426         {%- endfor %}
 427 }
 428
 429 ''')
 430
 431 #############################
 432
 433 def main(argv):
 434         if len(argv) < 3:
 435                 print "usage: %s specname(ignored) destdirectory" % argv[0]
 436                 sys.exit(1)
 437
 438         gendir = argv[2]
 439
 440         # List of TODOs
 441         niymap = [ "ASM", "Const", "Phi", "SymConst", "Sync"]
 442
 443         real_nodes = []
 444         for node in nodes:
 445                 if isAbstract(node):
 446                         continue
 447                 real_nodes.append(node)
 448
 449         file = open(gendir + "/gen_ir_cons.c.inl", "w")
 450         for node in real_nodes:
 451                 preprocess_node(node)
 452
 453                 if node.name in niymap:
 454                         continue
 455
 456                 if not isAbstract(node) and not hasattr(node, "singleton"):
 457                         file.write(constructor_template.render(vars()))
 458
 459                         if hasattr(node, "special_constructors"):
 460                                 for special in node.special_constructors:
 461                                         node.constrname = special["constrname"]
 462                                         special["attr"]["init"] = special["attr"]["special"]["init"]
 463                                         file.write(constructor_template.render(vars()))
 464         file.write("\n")
 465         file.close()
 466
 467         file = open(gendir + "/gen_irnode.h", "w")
 468         file.write(irnode_h_template.render(nodes = real_nodes))
 469         file.close()
 470
 471         file = open(gendir + "/gen_irnode.c.inl", "w")
 472         file.write(irnode_template.render(nodes = real_nodes))
 473         file.close()
 474
 475         file = open(gendir + "/gen_irop.c.inl", "w")
 476         file.write(irop_template.render(nodes = real_nodes))
 477         file.close()
 478
 479 main(sys.argv)