4 $original_input_structure='';
6 $input_structure .= '// '.$_;
7 $original_input_structure .= $_;
10 $original_input_structure =~ tr/ \t\n\r\f/ /;
11 $original_input_structure =~ tr/ //s;
13 if ($original_input_structure =~ /^struct (\w+) ?\{ ?(.*)\}\;? ?$/) {
17 die "illegal struct, must match 'struct name { type var; /*comment*/ ...};': $original_input_structure";
20 # split off a part 'type var[,var...];' with a possible C-comment '/* ... */'
21 while ($decl =~ /^ ?(\w+) ([\w \,]+)\; ?((\/\*.*?\*\/)?)(.*)$/) {
26 while ($member =~ /^(\w+) ?\, ?(.*)$/) {
29 push @COMMENTS,$comment;
31 $comment='/* see above */';
35 if ($member !~ /^\w$/) {
36 die "illegal struct, must match 'struct name { type var; /*comment*/ ...};': $input_structure";
39 push @MEMBERS,$member;
40 push @COMMENTS,$comment;
43 if ($decl !~ /^ ?$/) {
44 die "illegal struct, must match 'struct name { type var; /*comment*/ ...};': $input_structure";
47 #$STRUCTURE='teststruct';
48 $STRUCTURE_UC=uc(${STRUCTURE});
49 #@TYPES=('ex','ex','ex');
50 #@MEMBERS=('q10','q20','q21');
53 my ($template,$conj)=@_;
57 for ($N=1; $N<=$#MEMBERS+1; $N++) {
59 $MEMBER=$MEMBERS[$N-1];
60 $COMMENT=$COMMENTS[$N-1];
61 $res .= eval('"' . $template . '"');
62 $TYPE=''; # to avoid main::TYPE used only once warning
63 $MEMBER=''; # same as above
64 $COMMENT=''; # same as above
65 if ($N!=$#MEMBERS+1) {
72 $number_of_members=$#MEMBERS+1;
73 $constructor_arglist=generate('ex tmp_${MEMBER}',', ');
74 $member_access_functions=generate(' ex const & ${MEMBER}(void) { return m_${MEMBER}; }',"\n");
75 $op_access_indices_decl=generate(' static unsigned op_${MEMBER};',"\n");
76 $op_access_indices_def=generate('unsigned ${STRUCTURE}::op_${MEMBER}=${N}-1;',"\n");
77 $members=generate(' ex m_${MEMBER}; ${COMMENT}',"\n");
78 $copy_statements=generate(' m_${MEMBER}=other.m_${MEMBER};',"\n");
79 $constructor_statements=generate('m_${MEMBER}(tmp_${MEMBER})',', ');
80 $let_op_statements=generate(
82 ' return m_${MEMBER};'."\n".
85 $temporary_arglist=generate('tmp_${MEMBER}',', ');
86 $expand_statements=generate(' ex tmp_${MEMBER}=m_${MEMBER}.expand(options);',"\n");
87 $has_statements=generate(' if (m_${MEMBER}.has(other)) return true;',"\n");
88 $eval_statements=generate(
89 ' ex tmp_${MEMBER}=m_${MEMBER}.eval(level-1);'."\n".
90 ' all_are_trivially_equal = all_are_trivially_equal &&'."\n".
91 ' are_ex_trivially_equal(tmp_${MEMBER},m_${MEMBER});',
93 $evalf_statements=generate(
94 ' ex tmp_${MEMBER}=m_${MEMBER}.evalf(level-1);'."\n".
95 ' all_are_trivially_equal = all_are_trivially_equal &&'."\n".
96 ' are_ex_trivially_equal(tmp_${MEMBER},m_${MEMBER});',
98 $normal_statements=generate(
99 ' ex tmp_${MEMBER}=m_${MEMBER}.normal(level-1);'."\n".
100 ' all_are_trivially_equal = all_are_trivially_equal &&'."\n".
101 ' are_ex_trivially_equal(tmp_${MEMBER},m_${MEMBER});',
103 $diff_statements=generate(' ex tmp_${MEMBER}=m_${MEMBER}.diff(s);',"\n");
104 $subs_statements=generate(
105 ' ex tmp_${MEMBER}=m_${MEMBER}.subs(ls,lr);'."\n".
106 ' all_are_trivially_equal = all_are_trivially_equal &&'."\n".
107 ' are_ex_trivially_equal(tmp_${MEMBER},m_${MEMBER});',
109 $compare_statements=generate(
110 ' cmpval=m_${MEMBER}.compare(o.m_${MEMBER});'."\n".
111 ' if (cmpval!=0) return cmpval;',
113 $is_equal_statements=generate(' if (!m_${MEMBER}.is_equal(o.m_${MEMBER})) return false;',"\n");
114 $types_ok_statements=generate(
115 '#ifndef SKIP_TYPE_CHECK_FOR_${TYPE}'."\n".
116 ' if (!is_ex_exactly_of_type(m_${MEMBER},${TYPE})) return false;'."\n".
117 '#endif // ndef SKIP_TYPE_CHECK_FOR_${TYPE}',"\n");
119 $interface=<<END_OF_INTERFACE;
120 /** \@file ${STRUCTURE}.h
122 * Definition of GiNaC's user defined structure ${STRUCTURE}. */
125 * This file was generated automatically by structure.pl.
126 * Please do not modify it directly, edit the perl script instead!
128 * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
130 * This program is free software; you can redistribute it and/or modify
131 * it under the terms of the GNU General Public License as published by
132 * the Free Software Foundation; either version 2 of the License, or
133 * (at your option) any later version.
135 * This program is distributed in the hope that it will be useful,
136 * but WITHOUT ANY WARRANTY; without even the implied warranty of
137 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
138 * GNU General Public License for more details.
140 * You should have received a copy of the GNU General Public License
141 * along with this program; if not, write to the Free Software
142 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
145 // structure.pl input:
148 #ifndef __GINAC_${STRUCTURE_UC}_H__
149 #define __GINAC_${STRUCTURE_UC}_H__
151 #include <ginac/structure.h>
155 class ${STRUCTURE} : public structure
159 // default constructor, destructor, copy constructor assignment operator and helpers
163 ${STRUCTURE}(${STRUCTURE} const & other);
164 ${STRUCTURE} const & operator=(${STRUCTURE} const & other);
166 void copy(${STRUCTURE} const & other);
167 void destroy(bool call_parent);
169 // other constructors
171 ${STRUCTURE}(${constructor_arglist});
173 // functions overriding virtual functions from bases classes
175 basic * duplicate() const;
176 void printraw(ostream & os) const;
177 void print(ostream & os, unsigned upper_precedence=0) const;
178 void printtree(ostream & os, unsigned indent) const;
180 ex & let_op(int const i);
181 ex expand(unsigned options=0) const;
182 bool has(ex const & other) const;
183 ex eval(int level=0) const;
184 ex evalf(int level=0) const;
185 ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
186 ex diff(symbol const & s) const;
187 ex subs(lst const & ls, lst const & lr) const;
189 int compare_same_type(basic const & other) const;
190 bool is_equal_same_type(basic const & other) const;
191 unsigned return_type(void) const;
193 // new virtual functions which can be overridden by derived classes
196 // non-virtual functions in this class
198 ${member_access_functions}
199 bool types_ok(void) const;
205 ${op_access_indices_decl}
210 extern const ${STRUCTURE} some_${STRUCTURE};
211 extern type_info const & typeid_${STRUCTURE};
212 extern const unsigned tinfo_${STRUCTURE};
216 #define ex_to_${STRUCTURE}(X) (static_cast<${STRUCTURE} const &>(*(X).bp))
220 #endif // ndef _${STRUCTURE_UC}_H_
224 $implementation=<<END_OF_IMPLEMENTATION;
225 /** \@file ${STRUCTURE}.cpp
227 * Implementation of GiNaC's user defined structure ${STRUCTURE}. */
230 * This file was generated automatically by STRUCTURE.pl.
231 * Please do not modify it directly, edit the perl script instead!
233 * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
235 * This program is free software; you can redistribute it and/or modify
236 * it under the terms of the GNU General Public License as published by
237 * the Free Software Foundation; either version 2 of the License, or
238 * (at your option) any later version.
240 * This program is distributed in the hope that it will be useful,
241 * but WITHOUT ANY WARRANTY; without even the implied warranty of
242 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
243 * GNU General Public License for more details.
245 * You should have received a copy of the GNU General Public License
246 * along with this program; if not, write to the Free Software
247 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
250 // structure.pl input:
255 #include "${STRUCTURE}.h"
260 // default constructor, destructor, copy constructor assignment operator and helpers
265 ${STRUCTURE}::${STRUCTURE}()
267 debugmsg("${STRUCTURE} default constructor",LOGLEVEL_CONSTRUCT);
268 tinfo_key=tinfo_${STRUCTURE};
271 ${STRUCTURE}::~${STRUCTURE}()
273 debugmsg("${STRUCTURE} destructor",LOGLEVEL_DESTRUCT);
277 ${STRUCTURE}::${STRUCTURE}(${STRUCTURE} const & other)
279 debugmsg("${STRUCTURE} copy constructor",LOGLEVEL_CONSTRUCT);
283 ${STRUCTURE} const & ${STRUCTURE}::operator=(${STRUCTURE} const & other)
285 debugmsg("${STRUCTURE} operator=",LOGLEVEL_ASSIGNMENT);
286 if (this != &other) {
295 void ${STRUCTURE}::copy(${STRUCTURE} const & other)
297 structure::copy(other);
301 void ${STRUCTURE}::destroy(bool call_parent)
303 if (call_parent) structure::destroy(call_parent);
307 // other constructors
312 ${STRUCTURE}::${STRUCTURE}(${constructor_arglist})
313 : ${constructor_statements}
315 debugmsg("${STRUCTURE} constructor from children",
317 tinfo_key=tinfo_${STRUCTURE};
321 // functions overriding virtual functions from bases classes
326 basic * ${STRUCTURE}::duplicate() const
328 debugmsg("${STRUCTURE} duplicate",LOGLEVEL_DUPLICATE);
329 return new ${STRUCTURE}(*this);
332 void ${STRUCTURE}::printraw(ostream & os) const
334 debugmsg("${STRUCTURE} printraw",LOGLEVEL_PRINT);
335 os << "${STRUCTURE}()";
338 void ${STRUCTURE}::print(ostream & os, unsigned upper_precedence) const
340 debugmsg("${STRUCTURE} print",LOGLEVEL_PRINT);
341 os << "${STRUCTURE}()";
344 void ${STRUCTURE}::printtree(ostream & os, unsigned indent) const
346 debugmsg("${STRUCTURE} printtree",LOGLEVEL_PRINT);
347 os << "${STRUCTURE}()";
350 int ${STRUCTURE}::nops() const
352 return ${number_of_members};
355 ex & ${STRUCTURE}::let_op(int const i)
363 errormsg("${STRUCTURE}::let_op(): should not reach this point");
364 return *new ex(fail());
367 ex ${STRUCTURE}::expand(unsigned options) const
369 bool all_are_trivially_equal=true;
371 if (all_are_trivially_equal) {
374 return ${STRUCTURE}(${temporary_arglist});
377 // a ${STRUCTURE} 'has' an expression if it is this expression itself or a child 'has' it
379 bool ${STRUCTURE}::has(ex const & other) const
382 if (is_equal(*other.bp)) return true;
387 ex ${STRUCTURE}::eval(int level) const
392 bool all_are_trivially_equal=true;
394 if (all_are_trivially_equal) {
397 return ${STRUCTURE}(${temporary_arglist});
400 ex ${STRUCTURE}::evalf(int level) const
405 bool all_are_trivially_equal=true;
407 if (all_are_trivially_equal) {
410 return ${STRUCTURE}(${temporary_arglist});
413 /** Implementation of ex::normal() for ${STRUCTURE}s. It normalizes the arguments
414 * and replaces the ${STRUCTURE} by a temporary symbol.
415 * \@see ex::normal */
416 ex ${STRUCTURE}::normal(lst &sym_lst, lst &repl_lst, int level) const
419 return basic::normal(sym_lst,repl_lst,level);
421 bool all_are_trivially_equal=true;
423 if (all_are_trivially_equal) {
424 return basic::normal(sym_lst,repl_lst,level);
426 ex n=${STRUCTURE}(${temporary_arglist});
427 return n.bp->basic::normal(sym_lst,repl_lst,level);
430 /** ${STRUCTURE}::diff() differentiates the children.
431 there is no need to check for triavially equal, since diff usually
432 does not return itself unevaluated. */
433 ex ${STRUCTURE}::diff(symbol const & s) const
436 return ${STRUCTURE}(${temporary_arglist});
439 ex ${STRUCTURE}::subs(lst const & ls, lst const & lr) const
441 bool all_are_trivially_equal=true;
443 if (all_are_trivially_equal) {
446 return ${STRUCTURE}(${temporary_arglist});
451 int ${STRUCTURE}::compare_same_type(basic const & other) const
453 ASSERT(is_of_type(other,${STRUCTURE}));
454 ${STRUCTURE} const & o=static_cast<${STRUCTURE} const &>
455 (const_cast<basic &>(other));
457 ${compare_statements}
461 bool ${STRUCTURE}::is_equal_same_type(basic const & other) const
463 ASSERT(is_of_type(other,${STRUCTURE}));
464 ${STRUCTURE} const & o=static_cast<${STRUCTURE} const &>
465 (const_cast<basic &>(other));
466 ${is_equal_statements}
470 unsigned ${STRUCTURE}::return_type(void) const
472 return return_types::noncommutative_composite;
476 // new virtual functions which can be overridden by derived classes
482 // non-virtual functions in this class
487 #define SKIP_TYPE_CHECK_FOR_ex
488 // this is a hack since there is no meaningful
489 // is_ex_exactly_of_type(...,ex) macro definition
491 bool ${STRUCTURE}::types_ok(void) const
493 ${types_ok_statements}
498 // static member variables
501 ${op_access_indices_def}
507 const ${STRUCTURE} some_${STRUCTURE};
508 type_info const & typeid_${STRUCTURE}=typeid(some_${STRUCTURE});
509 const unsigned tinfo_${STRUCTURE}=structure::register_new("${STRUCTURE}");
513 END_OF_IMPLEMENTATION
515 print "Creating interface file ${STRUCTURE}.h...";
516 open OUT,">${STRUCTURE}.h" or die "cannot open ${STRUCTURE}.h";
517 print OUT $interface;
521 print "Creating implementation file ${STRUCTURE}.cpp...";
522 open OUT,">${STRUCTURE}.cpp" or die "cannot open ${STRUCTURE}.cpp";
523 print OUT $implementation;