Type.py revision 9466:23e13ad7091f
1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
2# Copyright (c) 2009 The Hewlett-Packard Development Company
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28from m5.util import orderdict
29
30from slicc.util import PairContainer
31from slicc.symbols.Symbol import Symbol
32from slicc.symbols.Var import Var
33
34class DataMember(PairContainer):
35    def __init__(self, ident, type, pairs, init_code):
36        super(DataMember, self).__init__(pairs)
37        self.ident = ident
38        self.type = type
39        self.init_code = init_code
40
41class Enumeration(PairContainer):
42    def __init__(self, ident, pairs):
43        super(Enumeration, self).__init__(pairs)
44        self.ident = ident
45
46class Method(object):
47    def __init__(self, return_type, param_types):
48        self.return_type = return_type
49        self.param_types = param_types
50
51class Type(Symbol):
52    def __init__(self, table, ident, location, pairs, machine=None):
53        super(Type, self).__init__(table, ident, location, pairs)
54        self.c_ident = ident
55        self.abstract_ident = ""
56        if machine:
57            if self.isExternal or self.isPrimitive:
58                if "external_name" in self:
59                    self.c_ident = self["external_name"]
60            else:
61                # Append with machine name
62                self.c_ident = "%s_%s" % (machine, ident)
63
64        self.pairs.setdefault("desc", "No description avaliable")
65
66        # check for interface that this Type implements
67        if "interface" in self:
68            interface = self["interface"]
69            if interface in ("Message", "NetworkMessage"):
70                self["message"] = "yes"
71            if interface == "NetworkMessage":
72                self["networkmessage"] = "yes"
73
74        # FIXME - all of the following id comparisons are fragile hacks
75        if self.ident in ("CacheMemory", "NewCacheMemory",
76                          "TLCCacheMemory", "DNUCACacheMemory",
77                          "DNUCABankCacheMemory", "L2BankCacheMemory",
78                          "CompressedCacheMemory", "PrefetchCacheMemory"):
79            self["cache"] = "yes"
80
81        if self.ident in ("TBETable", "DNUCATBETable", "DNUCAStopTable"):
82            self["tbe"] = "yes"
83
84        if self.ident == "NewTBETable":
85            self["newtbe"] = "yes"
86
87        if self.ident == "TimerTable":
88            self["timer"] = "yes"
89
90        if self.ident == "DirectoryMemory":
91            self["dir"] = "yes"
92
93        if self.ident == "PersistentTable":
94            self["persistent"] = "yes"
95
96        if self.ident == "Prefetcher":
97            self["prefetcher"] = "yes"
98
99        if self.ident == "DNUCA_Movement":
100            self["mover"] = "yes"
101
102        self.isMachineType = (ident == "MachineType")
103
104        self.isStateDecl = ("state_decl" in self)
105        self.statePermPairs = []
106
107        self.data_members = orderdict()
108
109        # Methods
110        self.methods = {}
111        self.functions = {}
112
113        # Enums
114        self.enums = orderdict()
115
116    @property
117    def isPrimitive(self):
118        return "primitive" in self
119    @property
120    def isNetworkMessage(self):
121        return "networkmessage" in self
122    @property
123    def isMessage(self):
124        return "message" in self
125    @property
126    def isBuffer(self):
127        return "buffer" in self
128    @property
129    def isInPort(self):
130        return "inport" in self
131    @property
132    def isOutPort(self):
133        return "outport" in self
134    @property
135    def isEnumeration(self):
136        return "enumeration" in self
137    @property
138    def isExternal(self):
139        return "external" in self
140    @property
141    def isGlobal(self):
142        return "global" in self
143    @property
144    def isInterface(self):
145        return "interface" in self
146
147    # Return false on error
148    def addDataMember(self, ident, type, pairs, init_code):
149        if ident in self.data_members:
150            return False
151
152        member = DataMember(ident, type, pairs, init_code)
153        self.data_members[ident] = member
154
155        var = Var(self.symtab, ident, self.location, type,
156                "m_%s" % ident, {}, None)
157        self.symtab.registerSym(ident, var)
158        return True
159
160    def dataMemberType(self, ident):
161        return self.data_members[ident].type
162
163    def methodId(self, name, param_type_vec):
164        return '_'.join([name] + [ pt.c_ident for pt in param_type_vec ])
165
166    def methodIdAbstract(self, name, param_type_vec):
167        return '_'.join([name] + [ pt.abstract_ident for pt in param_type_vec ])
168
169    def statePermPairAdd(self, state_name, perm_name):
170        self.statePermPairs.append([state_name, perm_name])
171
172    def addMethod(self, name, return_type, param_type_vec):
173        ident = self.methodId(name, param_type_vec)
174        if ident in self.methods:
175            return False
176
177        self.methods[ident] = Method(return_type, param_type_vec)
178        return True
179
180    # Ideally either this function or the one above should exist. But
181    # methods and functions have different structures right now.
182    # Hence, these are different, at least for the time being.
183    def addFunc(self, func):
184        ident = self.methodId(func.ident, func.param_types)
185        if ident in self.functions:
186            return False
187
188        self.functions[ident] = func
189        return True
190
191    def addEnum(self, ident, pairs):
192        if ident in self.enums:
193            return False
194
195        self.enums[ident] = Enumeration(ident, pairs)
196
197        # Add default
198        if "default" not in self:
199            self["default"] = "%s_NUM" % self.c_ident
200
201        return True
202
203    def writeCodeFiles(self, path, includes):
204        if self.isExternal:
205            # Do nothing
206            pass
207        elif self.isEnumeration:
208            self.printEnumHH(path)
209            self.printEnumCC(path)
210        else:
211            # User defined structs and messages
212            self.printTypeHH(path)
213            self.printTypeCC(path)
214
215    def printTypeHH(self, path):
216        code = self.symtab.codeFormatter()
217        code('''
218/** \\file ${{self.c_ident}}.hh
219 *
220 *
221 * Auto generated C++ code started by $__file__:$__line__
222 */
223
224#ifndef __${{self.c_ident}}_HH__
225#define __${{self.c_ident}}_HH__
226
227#include <iostream>
228
229#include "mem/ruby/slicc_interface/RubySlicc_Util.hh"
230''')
231
232        for dm in self.data_members.values():
233            if not dm.type.isPrimitive:
234                code('#include "mem/protocol/$0.hh"', dm.type.c_ident)
235
236        parent = ""
237        if "interface" in self:
238            code('#include "mem/protocol/$0.hh"', self["interface"])
239            parent = " :  public %s" % self["interface"]
240
241        code('''
242$klass ${{self.c_ident}}$parent
243{
244  public:
245    ${{self.c_ident}}
246''', klass="class")
247
248        if self.isMessage:
249            code('(Time curTime) : %s(curTime) {' % self["interface"])
250        else:
251            code('()\n\t\t{')
252
253        code.indent()
254        if not self.isGlobal:
255            code.indent()
256            for dm in self.data_members.values():
257                ident = dm.ident
258                if "default" in dm:
259                    # look for default value
260                    code('m_$ident = ${{dm["default"]}}; // default for this field')
261                elif "default" in dm.type:
262                    # Look for the type default
263                    tid = dm.type.c_ident
264                    code('m_$ident = ${{dm.type["default"]}}; // default value of $tid')
265                else:
266                    code('// m_$ident has no default')
267            code.dedent()
268        code('}')
269
270        # ******** Copy constructor ********
271        if not self.isGlobal:
272            code('${{self.c_ident}}(const ${{self.c_ident}}&other)')
273
274            # Call superclass constructor
275            if "interface" in self:
276                code('    : ${{self["interface"]}}(other)')
277
278            code('{')
279            code.indent()
280
281            for dm in self.data_members.values():
282                code('m_${{dm.ident}} = other.m_${{dm.ident}};')
283
284            code.dedent()
285            code('}')
286
287        # ******** Full init constructor ********
288        if not self.isGlobal:
289            params = [ 'const %s& local_%s' % (dm.type.c_ident, dm.ident) \
290                       for dm in self.data_members.itervalues() ]
291            params = ', '.join(params)
292
293            if self.isMessage:
294                params = "const Time curTime, " + params
295
296            code('${{self.c_ident}}($params)')
297
298            # Call superclass constructor
299            if "interface" in self:
300                if self.isMessage:
301                    code('    : ${{self["interface"]}}(curTime)')
302                else:
303                    code('    : ${{self["interface"]}}()')
304
305            code('{')
306            code.indent()
307            for dm in self.data_members.values():
308                code('m_${{dm.ident}} = local_${{dm.ident}};')
309                if "nextLineCallHack" in dm:
310                    code('m_${{dm.ident}}${{dm["nextLineCallHack"]}};')
311
312            code.dedent()
313            code('}')
314
315        # create a clone member
316        code('''
317${{self.c_ident}}*
318clone() const
319{
320     return new ${{self.c_ident}}(*this);
321}
322''')
323
324        if not self.isGlobal:
325            # const Get methods for each field
326            code('// Const accessors methods for each field')
327            for dm in self.data_members.values():
328                code('''
329/** \\brief Const accessor method for ${{dm.ident}} field.
330 *  \\return ${{dm.ident}} field
331 */
332const ${{dm.type.c_ident}}&
333get${{dm.ident}}() const
334{
335    return m_${{dm.ident}};
336}
337''')
338
339            # Non-const Get methods for each field
340            code('// Non const Accessors methods for each field')
341            for dm in self.data_members.values():
342                code('''
343/** \\brief Non-const accessor method for ${{dm.ident}} field.
344 *  \\return ${{dm.ident}} field
345 */
346${{dm.type.c_ident}}&
347get${{dm.ident}}()
348{
349    return m_${{dm.ident}};
350}
351''')
352
353            #Set methods for each field
354            code('// Mutator methods for each field')
355            for dm in self.data_members.values():
356                code('''
357/** \\brief Mutator method for ${{dm.ident}} field */
358void
359set${{dm.ident}}(const ${{dm.type.c_ident}}& local_${{dm.ident}})
360{
361    m_${{dm.ident}} = local_${{dm.ident}};
362}
363''')
364
365        code('void print(std::ostream& out) const;')
366        code.dedent()
367        code('  //private:')
368        code.indent()
369
370        # Data members for each field
371        for dm in self.data_members.values():
372            if "abstract" not in dm:
373                const = ""
374                init = ""
375
376                # global structure
377                if self.isGlobal:
378                    const = "static const "
379
380                # init value
381                if dm.init_code:
382                    # only global structure can have init value here
383                    assert self.isGlobal
384                    init = " = %s" % (dm.init_code)
385
386                if "desc" in dm:
387                    code('/** ${{dm["desc"]}} */')
388
389                code('$const${{dm.type.c_ident}} m_${{dm.ident}}$init;')
390
391        # Prototypes for functions defined for the Type
392        for item in self.functions:
393            proto = self.functions[item].prototype
394            if proto:
395                code('$proto')
396
397        code.dedent()
398        code('};')
399
400        code('''
401inline std::ostream&
402operator<<(std::ostream& out, const ${{self.c_ident}}& obj)
403{
404    obj.print(out);
405    out << std::flush;
406    return out;
407}
408
409#endif // __${{self.c_ident}}_HH__
410''')
411
412        code.write(path, "%s.hh" % self.c_ident)
413
414    def printTypeCC(self, path):
415        code = self.symtab.codeFormatter()
416
417        code('''
418/** \\file ${{self.c_ident}}.cc
419 *
420 * Auto generated C++ code started by $__file__:$__line__
421 */
422
423#include <iostream>
424
425#include "mem/protocol/${{self.c_ident}}.hh"
426
427using namespace std;
428''')
429
430        code('''
431/** \\brief Print the state of this object */
432void
433${{self.c_ident}}::print(ostream& out) const
434{
435    out << "[${{self.c_ident}}: ";
436''')
437
438        # For each field
439        code.indent()
440        for dm in self.data_members.values():
441            code('out << "${{dm.ident}} = " << m_${{dm.ident}} << " ";''')
442
443        if self.isMessage:
444            code('out << "Time = " << g_system_ptr->clockPeriod() * getTime() << " ";')
445        code.dedent()
446
447        # Trailer
448        code('''
449    out << "]";
450}''')
451
452        # print the code for the functions in the type
453        for item in self.functions:
454            code(self.functions[item].generateCode())
455
456        code.write(path, "%s.cc" % self.c_ident)
457
458    def printEnumHH(self, path):
459        code = self.symtab.codeFormatter()
460        code('''
461/** \\file ${{self.c_ident}}.hh
462 *
463 * Auto generated C++ code started by $__file__:$__line__
464 */
465
466#ifndef __${{self.c_ident}}_HH__
467#define __${{self.c_ident}}_HH__
468
469#include <iostream>
470#include <string>
471
472''')
473        if self.isStateDecl:
474            code('#include "mem/protocol/AccessPermission.hh"')
475
476        if self.isMachineType:
477            code('#include "base/misc.hh"')
478            code('#include "mem/protocol/GenericMachineType.hh"')
479            code('#include "mem/ruby/common/Address.hh"')
480            code('struct MachineID;')
481
482        code('''
483
484// Class definition
485/** \\enum ${{self.c_ident}}
486 *  \\brief ${{self.desc}}
487 */
488enum ${{self.c_ident}} {
489    ${{self.c_ident}}_FIRST,
490''')
491
492        code.indent()
493        # For each field
494        for i,(ident,enum) in enumerate(self.enums.iteritems()):
495            desc = enum.get("desc", "No description avaliable")
496            if i == 0:
497                init = ' = %s_FIRST' % self.c_ident
498            else:
499                init = ''
500            code('${{self.c_ident}}_${{enum.ident}}$init, /**< $desc */')
501        code.dedent()
502        code('''
503    ${{self.c_ident}}_NUM
504};
505
506// Code to convert from a string to the enumeration
507${{self.c_ident}} string_to_${{self.c_ident}}(const std::string& str);
508
509// Code to convert state to a string
510std::string ${{self.c_ident}}_to_string(const ${{self.c_ident}}& obj);
511
512// Code to increment an enumeration type
513${{self.c_ident}} &operator++(${{self.c_ident}} &e);
514''')
515
516        # MachineType hack used to set the base component id for each Machine
517        if self.isMachineType:
518            code('''
519int ${{self.c_ident}}_base_level(const ${{self.c_ident}}& obj);
520MachineType ${{self.c_ident}}_from_base_level(int);
521int ${{self.c_ident}}_base_number(const ${{self.c_ident}}& obj);
522int ${{self.c_ident}}_base_count(const ${{self.c_ident}}& obj);
523''')
524
525            for enum in self.enums.itervalues():
526                if enum.ident == "DMA":
527                    code('''
528MachineID map_Address_to_DMA(const Address &addr);
529''')
530                code('''
531
532MachineID get${{enum.ident}}MachineID(NodeID RubyNode);
533''')
534
535            code('''
536inline GenericMachineType
537ConvertMachToGenericMach(MachineType machType)
538{
539''')
540            for enum in self.enums.itervalues():
541                code('''
542      if (machType == MachineType_${{enum.ident}})
543          return GenericMachineType_${{enum.ident}};
544''')
545            code('''
546      panic("cannot convert to a GenericMachineType");
547}
548''')
549
550        if self.isStateDecl:
551            code('''
552
553// Code to convert the current state to an access permission
554AccessPermission ${{self.c_ident}}_to_permission(const ${{self.c_ident}}& obj);
555
556''')
557
558        # Trailer
559        code('''
560std::ostream& operator<<(std::ostream& out, const ${{self.c_ident}}& obj);
561
562#endif // __${{self.c_ident}}_HH__
563''')
564
565        code.write(path, "%s.hh" % self.c_ident)
566
567    def printEnumCC(self, path):
568        code = self.symtab.codeFormatter()
569        code('''
570/** \\file ${{self.c_ident}}.hh
571 *
572 * Auto generated C++ code started by $__file__:$__line__
573 */
574
575#include <cassert>
576#include <iostream>
577#include <string>
578
579#include "base/misc.hh"
580#include "mem/protocol/${{self.c_ident}}.hh"
581
582using namespace std;
583
584''')
585
586        if self.isStateDecl:
587            code('''
588// Code to convert the current state to an access permission
589AccessPermission ${{self.c_ident}}_to_permission(const ${{self.c_ident}}& obj)
590{
591    switch(obj) {
592''')
593            # For each case
594            code.indent()
595            for statePerm in self.statePermPairs:
596                code('  case ${{self.c_ident}}_${{statePerm[0]}}:')
597                code('    return AccessPermission_${{statePerm[1]}};')
598            code.dedent()
599            code ('''
600      default:
601        panic("Unknown state access permission converstion for ${{self.c_ident}}");
602    }
603}
604
605''')
606
607        if self.isMachineType:
608            for enum in self.enums.itervalues():
609                code('#include "mem/protocol/${{enum.ident}}_Controller.hh"')
610            code('#include "mem/ruby/system/MachineID.hh"')
611
612        code('''
613// Code for output operator
614ostream&
615operator<<(ostream& out, const ${{self.c_ident}}& obj)
616{
617    out << ${{self.c_ident}}_to_string(obj);
618    out << flush;
619    return out;
620}
621
622// Code to convert state to a string
623string
624${{self.c_ident}}_to_string(const ${{self.c_ident}}& obj)
625{
626    switch(obj) {
627''')
628
629        # For each field
630        code.indent()
631        for enum in self.enums.itervalues():
632            code('  case ${{self.c_ident}}_${{enum.ident}}:')
633            code('    return "${{enum.ident}}";')
634        code.dedent()
635
636        # Trailer
637        code('''
638      default:
639        panic("Invalid range for type ${{self.c_ident}}");
640    }
641}
642
643// Code to convert from a string to the enumeration
644${{self.c_ident}}
645string_to_${{self.c_ident}}(const string& str)
646{
647''')
648
649        # For each field
650        start = ""
651        code.indent()
652        for enum in self.enums.itervalues():
653            code('${start}if (str == "${{enum.ident}}") {')
654            code('    return ${{self.c_ident}}_${{enum.ident}};')
655            start = "} else "
656        code.dedent()
657
658        code('''
659    } else {
660        panic("Invalid string conversion for %s, type ${{self.c_ident}}", str);
661    }
662}
663
664// Code to increment an enumeration type
665${{self.c_ident}}&
666operator++(${{self.c_ident}}& e)
667{
668    assert(e < ${{self.c_ident}}_NUM);
669    return e = ${{self.c_ident}}(e+1);
670}
671''')
672
673        # MachineType hack used to set the base level and number of
674        # components for each Machine
675        if self.isMachineType:
676            code('''
677/** \\brief returns the base vector index for each machine type to be
678  * used by NetDest
679  *
680  * \\return the base vector index for each machine type to be used by NetDest
681  * \\see NetDest.hh
682  */
683int
684${{self.c_ident}}_base_level(const ${{self.c_ident}}& obj)
685{
686    switch(obj) {
687''')
688
689            # For each field
690            code.indent()
691            for i,enum in enumerate(self.enums.itervalues()):
692                code('  case ${{self.c_ident}}_${{enum.ident}}:')
693                code('    return $i;')
694            code.dedent()
695
696            # total num
697            code('''
698      case ${{self.c_ident}}_NUM:
699        return ${{len(self.enums)}};
700
701      default:
702        panic("Invalid range for type ${{self.c_ident}}");
703    }
704}
705
706/** \\brief returns the machine type for each base vector index used by NetDest
707 *
708 * \\return the MachineType
709 */
710MachineType
711${{self.c_ident}}_from_base_level(int type)
712{
713    switch(type) {
714''')
715
716            # For each field
717            code.indent()
718            for i,enum in enumerate(self.enums.itervalues()):
719                code('  case $i:')
720                code('    return ${{self.c_ident}}_${{enum.ident}};')
721            code.dedent()
722
723            # Trailer
724            code('''
725      default:
726        panic("Invalid range for type ${{self.c_ident}}");
727    }
728}
729
730/** \\brief The return value indicates the number of components created
731 * before a particular machine\'s components
732 *
733 * \\return the base number of components for each machine
734 */
735int
736${{self.c_ident}}_base_number(const ${{self.c_ident}}& obj)
737{
738    int base = 0;
739    switch(obj) {
740''')
741
742            # For each field
743            code.indent()
744            code('  case ${{self.c_ident}}_NUM:')
745            for enum in reversed(self.enums.values()):
746                code('    base += ${{enum.ident}}_Controller::getNumControllers();')
747                code('  case ${{self.c_ident}}_${{enum.ident}}:')
748            code('    break;')
749            code.dedent()
750
751            code('''
752      default:
753        panic("Invalid range for type ${{self.c_ident}}");
754    }
755
756    return base;
757}
758
759/** \\brief returns the total number of components for each machine
760 * \\return the total number of components for each machine
761 */
762int
763${{self.c_ident}}_base_count(const ${{self.c_ident}}& obj)
764{
765    switch(obj) {
766''')
767
768            # For each field
769            for enum in self.enums.itervalues():
770                code('''
771      case ${{self.c_ident}}_${{enum.ident}}:
772        return ${{enum.ident}}_Controller::getNumControllers();
773''')
774
775            # total num
776            code('''
777      case ${{self.c_ident}}_NUM:
778      default:
779        panic("Invalid range for type ${{self.c_ident}}");
780    }
781}
782''')
783
784            for enum in self.enums.itervalues():
785                if enum.ident == "DMA":
786                    code('''
787MachineID
788map_Address_to_DMA(const Address &addr)
789{
790      MachineID dma = {MachineType_DMA, 0};
791      return dma;
792}
793''')
794
795                code('''
796
797MachineID
798get${{enum.ident}}MachineID(NodeID RubyNode)
799{
800      MachineID mach = {MachineType_${{enum.ident}}, RubyNode};
801      return mach;
802}
803''')
804
805        # Write the file
806        code.write(path, "%s.cc" % self.c_ident)
807
808__all__ = [ "Type" ]
809