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 ${STRUCTURE}.
123 * This file was generated automatically by structure.pl.
124 * Please do not modify it directly, edit the perl script instead!
127 // structure.pl input:
130 #ifndef _${STRUCTURE_UC}_H_
131 #define _${STRUCTURE_UC}_H_
133 #include <ginac/ginac.h>
135 class ${STRUCTURE} : public structure
139 // default constructor, destructor, copy constructor assignment operator and helpers
143 ${STRUCTURE}(${STRUCTURE} const & other);
144 ${STRUCTURE} const & operator=(${STRUCTURE} const & other);
146 void copy(${STRUCTURE} const & other);
147 void destroy(bool call_parent);
149 // other constructors
151 ${STRUCTURE}(${constructor_arglist});
153 // functions overriding virtual functions from bases classes
155 basic * duplicate() const;
156 void printraw(ostream & os) const;
157 void print(ostream & os, unsigned upper_precedence=0) const;
158 void printtree(ostream & os, unsigned indent) const;
160 ex & let_op(int const i);
161 ex expand(unsigned options=0) const;
162 bool has(ex const & other) const;
163 ex eval(int level=0) const;
164 ex evalf(int level=0) const;
165 ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
166 ex diff(symbol const & s) const;
167 ex subs(lst const & ls, lst const & lr) const;
169 int compare_same_type(basic const & other) const;
170 bool is_equal_same_type(basic const & other) const;
171 unsigned return_type(void) const;
173 // new virtual functions which can be overridden by derived classes
176 // non-virtual functions in this class
178 ${member_access_functions}
179 bool types_ok(void) const;
185 ${op_access_indices_decl}
190 extern const ${STRUCTURE} some_${STRUCTURE};
191 extern type_info const & typeid_${STRUCTURE};
192 extern const unsigned tinfo_${STRUCTURE};
196 #define ex_to_${STRUCTURE}(X) (static_cast<${STRUCTURE} const &>(*(X).bp))
198 #endif // ndef _${STRUCTURE_UC}_H_
202 $implementation=<<END_OF_IMPLEMENTATION;
203 /** \@file ${STRUCTURE}.cpp
205 * Implementation of GiNaC's user defined structure ${STRUCTURE}.
206 * This file was generated automatically by STRUCTURE.pl.
207 * Please do not modify it directly, edit the perl script instead!
210 // structure.pl input:
218 // default constructor, destructor, copy constructor assignment operator and helpers
223 ${STRUCTURE}::${STRUCTURE}()
225 debugmsg("${STRUCTURE} default constructor",LOGLEVEL_CONSTRUCT);
226 tinfo_key=tinfo_${STRUCTURE};
229 ${STRUCTURE}::~${STRUCTURE}()
231 debugmsg("${STRUCTURE} destructor",LOGLEVEL_DESTRUCT);
235 ${STRUCTURE}::${STRUCTURE}(${STRUCTURE} const & other)
237 debugmsg("${STRUCTURE} copy constructor",LOGLEVEL_CONSTRUCT);
241 ${STRUCTURE} const & ${STRUCTURE}::operator=(${STRUCTURE} const & other)
243 debugmsg("${STRUCTURE} operator=",LOGLEVEL_ASSIGNMENT);
244 if (this != &other) {
253 void ${STRUCTURE}::copy(${STRUCTURE} const & other)
255 structure::copy(other);
259 void ${STRUCTURE}::destroy(bool call_parent)
261 if (call_parent) structure::destroy(call_parent);
265 // other constructors
270 ${STRUCTURE}::${STRUCTURE}(${constructor_arglist})
271 : ${constructor_statements}
273 debugmsg("${STRUCTURE} constructor from children",
275 tinfo_key=tinfo_${STRUCTURE};
279 // functions overriding virtual functions from bases classes
284 basic * ${STRUCTURE}::duplicate() const
286 debugmsg("${STRUCTURE} duplicate",LOGLEVEL_DUPLICATE);
287 return new ${STRUCTURE}(*this);
290 void ${STRUCTURE}::printraw(ostream & os) const
292 debugmsg("${STRUCTURE} printraw",LOGLEVEL_PRINT);
293 os << "${STRUCTURE}()";
296 void ${STRUCTURE}::print(ostream & os, unsigned upper_precedence) const
298 debugmsg("${STRUCTURE} print",LOGLEVEL_PRINT);
299 os << "${STRUCTURE}()";
302 void ${STRUCTURE}::printtree(ostream & os, unsigned indent) const
304 debugmsg("${STRUCTURE} printtree",LOGLEVEL_PRINT);
305 os << "${STRUCTURE}()";
308 int ${STRUCTURE}::nops() const
310 return ${number_of_members};
313 ex & ${STRUCTURE}::let_op(int const i)
321 errormsg("${STRUCTURE}::let_op(): should not reach this point");
322 return *new ex(fail());
325 ex ${STRUCTURE}::expand(unsigned options) const
327 bool all_are_trivially_equal=true;
329 if (all_are_trivially_equal) {
332 return ${STRUCTURE}(${temporary_arglist});
335 // a ${STRUCTURE} 'has' an expression if it is this expression itself or a child 'has' it
337 bool ${STRUCTURE}::has(ex const & other) const
340 if (is_equal(*other.bp)) return true;
345 ex ${STRUCTURE}::eval(int level) const
350 bool all_are_trivially_equal=true;
352 if (all_are_trivially_equal) {
355 return ${STRUCTURE}(${temporary_arglist});
358 ex ${STRUCTURE}::evalf(int level) const
363 bool all_are_trivially_equal=true;
365 if (all_are_trivially_equal) {
368 return ${STRUCTURE}(${temporary_arglist});
371 /** Implementation of ex::normal() for ${STRUCTURE}s. It normalizes the arguments
372 * and replaces the ${STRUCTURE} by a temporary symbol.
373 * \@see ex::normal */
374 ex ${STRUCTURE}::normal(lst &sym_lst, lst &repl_lst, int level) const
377 return basic::normal(sym_lst,repl_lst,level);
379 bool all_are_trivially_equal=true;
381 if (all_are_trivially_equal) {
382 return basic::normal(sym_lst,repl_lst,level);
384 ex n=${STRUCTURE}(${temporary_arglist});
385 return n.bp->basic::normal(sym_lst,repl_lst,level);
388 /** ${STRUCTURE}::diff() differentiates the children.
389 there is no need to check for triavially equal, since diff usually
390 does not return itself unevaluated. */
391 ex ${STRUCTURE}::diff(symbol const & s) const
394 return ${STRUCTURE}(${temporary_arglist});
397 ex ${STRUCTURE}::subs(lst const & ls, lst const & lr) const
399 bool all_are_trivially_equal=true;
401 if (all_are_trivially_equal) {
404 return ${STRUCTURE}(${temporary_arglist});
409 int ${STRUCTURE}::compare_same_type(basic const & other) const
411 ASSERT(is_of_type(other,${STRUCTURE}));
412 ${STRUCTURE} const & o=static_cast<${STRUCTURE} const &>
413 (const_cast<basic &>(other));
415 ${compare_statements}
419 bool ${STRUCTURE}::is_equal_same_type(basic const & other) const
421 ASSERT(is_of_type(other,${STRUCTURE}));
422 ${STRUCTURE} const & o=static_cast<${STRUCTURE} const &>
423 (const_cast<basic &>(other));
424 ${is_equal_statements}
428 unsigned ${STRUCTURE}::return_type(void) const
430 return return_types::noncommutative_composite;
434 // new virtual functions which can be overridden by derived classes
440 // non-virtual functions in this class
445 #define SKIP_TYPE_CHECK_FOR_ex
446 // this is a hack since there is no meaningful
447 // is_ex_exactly_of_type(...,ex) macro definition
449 bool ${STRUCTURE}::types_ok(void) const
451 ${types_ok_statements}
456 // static member variables
459 ${op_access_indices_def}
465 const ${STRUCTURE} some_${STRUCTURE};
466 type_info const & typeid_${STRUCTURE}=typeid(some_${STRUCTURE});
467 const unsigned tinfo_${STRUCTURE}=structure::register_new("${STRUCTURE}");
469 END_OF_IMPLEMENTATION
471 print "Creating interface file ${STRUCTURE}.h...";
472 open OUT,">${STRUCTURE}.h" or die "cannot open ${STRUCTURE}.h";
473 print OUT $interface;
477 print "Creating implementation file ${STRUCTURE}.cpp...";
478 open OUT,">${STRUCTURE}.cpp" or die "cannot open ${STRUCTURE}.cpp";
479 print OUT $implementation;