source: libcfa/prelude/prelude-gen.cc@ 5a7789f

Last change on this file since 5a7789f was 97b47ec, checked in by Andrew Beach <ajbeach@…>, 2 years ago

The 'sized' trait is now implemented on top of 'T *' declarations and has no special status in the compiler.
  • Property mode set to 100644
File size: 13.3 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// prelude-gen.cc --
8//
9// Author : Rob Schluntz and Thierry Delisle
10// Created On : Sat Feb 16 08:44:58 2019
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Feb 2 11:40:01 2023
13// Update Count : 38
14//
15
16#include <algorithm>
17#include <array>
18#include <iostream>
19#include <string>
20#include <vector>
21using namespace std;
22
23static struct{
24 const string name;
25 bool isFloat;
26 bool hasComparison;
27} basicTypes[] = {
28 { "char" , false, true , },
29 { "signed char" , false, true , },
30 { "unsigned char" , false, true , },
31 { "signed short" , false, true , },
32 { "unsigned short" , false, true , },
33 { "signed int" , false, true , },
34 { "unsigned int" , false, true , },
35 { "signed long int" , false, true , },
36 { "unsigned long int" , false, true , },
37 { "signed long long int" , false, true , },
38 { "unsigned long long int", false, true , },
39 { "float" , true , true , },
40 { "double" , true , true , },
41 { "long double" , true , true , },
42 { "float _Complex" , true , false, },
43 { "double _Complex" , true , false, },
44 { "long double _Complex" , true , false, },
45#if defined(__SIZEOF_INT128__)
46 { "__int128" , false, true , },
47 { "unsigned __int128" , false, true , },
48#endif
49#if defined(__i386__) || defined(__ia64__) || defined(__x86_64__)
50 { "__float80" , true , true , },
51 { "__float128" , true , true , },
52#endif
53};
54
55struct {
56 const string name;
57 bool assignment = false;
58 bool floatCompat = true;
59 bool isComparison = false;
60 bool isEqual = false;
61} arithmeticOperators[] = {
62 { "?++" , true , true, false, false },
63 { "?--" , true , true, false, false },
64 { "++?" , true , true, false, false },
65 { "--?" , true , true, false, false },
66 { "+?" , false, true , false, false },
67 { "-?" , false, true , false, false },
68 { "~?" , false, false, false, false },
69 { "!?" , false, true , false, true },
70 { "?*?" , false, true , false, false },
71 { "?/?" , false, true , false, false },
72 { "?%?" , false, false, false, false },
73 { "?+?" , false, true , false, false },
74 { "?-?" , false, true , false, false },
75 { "?<<?" , false, false, false, false },
76 { "?>>?" , false, false, false, false },
77 { "?<?" , false, true , true , false },
78 { "?<=?" , false, true , true , true },
79 { "?>?" , false, true , true , false },
80 { "?>=?" , false, true , true , true },
81 { "?==?" , false, true , false, true },
82 { "?!=?" , false, true , false, true },
83 { "?&?" , false, false, false, false },
84 { "?^?" , false, false, false, false },
85 { "?|?" , false, false, false, false },
86 { "?=?" , true , true , false, false },
87 { "?+=?" , true , true , false, false },
88 { "?-=?" , true , true , false, false },
89 { "?*=?" , true , true , false, false },
90 { "?/=?" , true , true , false, false },
91 { "?%=?" , true , false, false, false },
92 { "?<<=?", true , false, false, false },
93 { "?>>=?", true , false, false, false },
94 { "?&=?" , true , false, false, false },
95 { "?|=?" , true , false, false, false },
96 { "?^=?" , true , false, false, false },
97};
98
99enum ArgType { Normal, PtrDiff, CommPtrDiff };
100
101struct {
102 const string name;
103 bool assignment = false;
104 string diffReturn;
105 ArgType diffArg2 = Normal;
106 string sized;
107} pointerOperators[] = {
108 { "?++", true, "", Normal, " | sized(DT)" },
109 { "?--", true, "", Normal, " | sized(DT)" },
110 { "++?", true, "", Normal, " | sized(DT)" },
111 { "--?", true, "", Normal, " | sized(DT)" },
112 { "!?" , false, "int", Normal, "" },
113 { "?<?", false, "signed int", Normal, "" },
114 { "?<=?", false, "signed int", Normal, "" },
115 { "?>?", false, "signed int", Normal, "" },
116 { "?>=?", false, "signed int", Normal, "" },
117 { "?==?", false, "signed int", Normal, "" },
118 { "?!=?", false, "signed int", Normal, "" },
119 { "?=?", true, "", Normal, "" }, // void * LHS, zero_t RHS ???
120// { "*?", false, "&", Normal, " | sized(DT)" }, // & ???
121 { "*?", false, "&", Normal, "" }, // & ???
122
123 { "?-?", false, "ptrdiff_t", Normal, " | sized(DT)" },
124 { "?-?", false, "", PtrDiff, " | sized(DT)" },
125 { "?-=?", true, "", PtrDiff, " | sized(DT)" },
126
127 { "?+?", false, "", CommPtrDiff, " | sized(DT)" },
128 { "?[?]", false, "&", CommPtrDiff, " | sized(DT)" }, // & ???
129 { "?+=?" , true, "", PtrDiff, " | sized(DT)" },
130};
131
132template<size_t N>
133string mask2string(unsigned int mask, array<string, N> names) {
134 string result = "";
135 int i = 0;
136 for(auto name : names) {
137 if(mask & (1 << i)) {
138 result += name;
139 } else {
140 result.append(name.size(), ' ');
141 }
142 i++;
143 }
144 return result;
145}
146
147template <typename... T>
148constexpr auto make_array(T&&... values) ->
149 std::array<
150 typename std::decay<typename std::common_type<T...>::type>::type,
151 sizeof...(T)>
152{
153 return std::array<
154 typename std::decay<
155 typename std::common_type<T...>::type>::type,
156 sizeof...(T)>{{std::forward<T>(values)...}};
157}
158
159int main() {
160 cout << "# 2 \"prelude.cfa\" // needed for error messages from this file" << endl;
161 cout << "forall( T * ) trait sized {};" << endl;
162
163 cout << "//////////////////////////" << endl;
164 cout << "// Arithmetic Operators //" << endl;
165 cout << "//////////////////////////" << endl;
166 cout << endl;
167
168 cout << "signed int ?==?( zero_t, zero_t ), ?!=?( zero_t, zero_t );" << endl;
169 cout << "signed int ?==?( one_t, one_t ), ?!=?( one_t, one_t );" << endl;
170 cout << "signed int ?==?( _Bool, _Bool ), ?!=?( _Bool, _Bool );" << endl;
171 cout << "signed int !?( _Bool );" << endl;
172
173 for (auto op : arithmeticOperators) {
174 for (auto type : basicTypes ) {
175 auto operands = count(op.name.begin(), op.name.end(), '?');
176 if (! op.floatCompat && type.isFloat) continue;
177 if (op.isComparison && ! type.hasComparison) continue;
178 if (op.assignment) {
179 const char * qualifiers[] = { "", "volatile " };
180 for (auto q : qualifiers){
181 cout << type.name << " " << op.name << "(";
182 cout << q << type.name << " &";
183 for (int i = 1; i < operands; ++i) {
184 cout << ", " << type.name;
185 }
186 cout << ");" << endl;
187 }
188 } else {
189 if (op.isComparison || op.isEqual) cout << "signed int";
190 else cout << type.name;
191 cout << " " << op.name << "(";
192 for (int i = 0; i < operands; ++i) {
193 cout << type.name;
194 if ((i+1) != operands) cout << ", ";
195 }
196 cout << ");" << endl;
197 }
198 }
199 cout << endl;
200 }
201 cout << endl;
202
203 cout << "/////////////////////////////" << endl;
204 cout << "// Arithmetic Constructors //" << endl;
205 cout << "/////////////////////////////" << endl;
206 cout << endl;
207
208 auto otype = [](const std::string & type, bool do_volatile = false) {
209 cout << "void ?{} (" << type << " &);" << endl;
210 cout << "void ?{} (" << type << " &, " << type << ");" << endl;
211 cout << type << " ?=? (" << type << " &, " << type << ")";
212 if ( do_volatile ) {
213 cout << ", ?=?(volatile " << type << " &, " << type << ")";
214 }
215 cout << ";" << endl;
216 cout << "void ^?{}( " << type << " & );" << endl;
217 };
218
219 otype("zero_t");
220 cout << endl;
221 otype("one_t");
222 cout << endl;
223 otype("_Bool", true);
224 cout << endl;
225
226 for (auto type : basicTypes) {
227 cout << "void ?{}(" << type.name << " &);" << endl;
228 cout << "void ?{}(" << type.name << " &, " << type.name << ");" << endl;
229 cout << "void ?{}(" << type.name << " &, zero_t);" << endl;
230 cout << "void ?{}(" << type.name << " &, one_t);" << endl;
231 cout << "void ^?{}(" << type.name << " &);" << endl;
232 cout << endl;
233 }
234 cout << endl;
235
236 cout << "//////////////////////////" << endl;
237 cout << "// Pointer Constructors //" << endl;
238 cout << "//////////////////////////" << endl;
239 cout << endl;
240
241 cout << "forall(ftype FT) void ?{}( FT *&, FT * );" << endl;
242 cout << "forall(ftype FT) void ?{}( FT * volatile &, FT * );" << endl;
243
244 // generate qualifiers
245 vector<string> qualifiersSingle;
246 vector<pair<const string, const string>> qualifiersPair;
247 const unsigned int NQ = 2;
248 for(unsigned int lhs = 0; lhs < (1<<NQ); lhs++) {
249 // for parameter of default constructor and destructor
250 qualifiersSingle.push_back(mask2string(lhs, make_array("const "s, "volatile "s)));
251
252 // for first and second parameters of copy constructors
253 for(unsigned int rhs = 0; rhs < (1<<NQ); rhs++) {
254 if((lhs & rhs) == rhs) {
255 qualifiersPair.push_back({
256 mask2string(lhs, make_array("const "s, "volatile "s)),
257 mask2string(rhs, make_array("const "s, "volatile "s))
258 });
259 }
260 }
261 }
262
263 for (auto type : { " DT", "void" }) {
264 for (auto cvq : qualifiersPair) {
265 for (auto is_vol : { " ", "volatile" }) {
266 cout << "forall(DT &) void ?{}(" << cvq.first << type << " * " << is_vol << " &, " << cvq.second << "DT *);" << endl;
267 }
268 }
269 }
270 for (auto cvq : qualifiersSingle) {
271 for (auto is_vol : { " ", "volatile" }) {
272 cout << "void ?{}(" << cvq << "void" << " * " << is_vol << " &);" << endl;
273 }
274 for (auto is_vol : { " ", "volatile" }) {
275 cout << "void ^?{}(" << cvq << "void" << " * " << is_vol << " &);" << endl;
276 }
277 }
278
279 for (auto cvq : qualifiersSingle) {
280 for (auto is_vol : { " ", "volatile" }) {
281 cout << "forall(DT &) void ?{}(" << cvq << " DT" << " * " << is_vol << " &);" << endl;
282 }
283 for (auto is_vol : { " ", "volatile" }) {
284 cout << "forall(DT &) void ^?{}(" << cvq << " DT" << " * " << is_vol << " &);" << endl;
285 }
286 }
287
288 {
289 auto type = " DT";
290 for (auto is_vol : { " ", "volatile" }) {
291 for (auto cvq : qualifiersSingle) {
292 cout << "forall(DT &) void ?{}( " << cvq << type << " * " << is_vol << " &, zero_t);" << endl;
293 }
294 }
295 }
296
297 cout << endl;
298
299 cout << "forall(ftype FT) void ?{}( FT * &, zero_t );" << endl;
300 cout << "forall(ftype FT) FT * ?=?( FT * &, zero_t );" << endl;
301 cout << "forall(ftype FT) FT * ?=?( FT * volatile &, zero_t );" << endl;
302 cout << "forall(ftype FT) void ?{}( FT * & );" << endl;
303 cout << "forall(ftype FT) void ^?{}( FT * & );" << endl;
304 cout << endl;
305
306 cout << "///////////////////////" << endl;
307 cout << "// Pointer Operators //" << endl;
308 cout << "///////////////////////" << endl;
309
310 cout << "forall(ftype FT) FT * ?=?( FT *&, FT * );" << endl;
311 cout << "forall(ftype FT) FT * ?=?( FT * volatile &, FT * );" << endl;
312 cout << "forall(ftype FT) int !?( FT * );" << endl;
313 cout << "forall(ftype FT) signed int ?==?( FT *, FT * );" << endl;
314 cout << "forall(ftype FT) signed int ?!=?( FT *, FT * );" << endl;
315 cout << "forall(ftype FT) FT & *?( FT * );" << endl;
316
317 for (auto op : pointerOperators) {
318 auto forall = [&op]() {
319 cout << "forall(DT &" << op.sized << ") ";
320 };
321 for (auto type : { "DT"/*, "void"*/ } ) {
322 auto operands = count(op.name.begin(), op.name.end(), '?');
323 if (op.assignment) {
324 // const char * qualifiers[] = { "", "volatile ", "const ", "const volatile " };
325 switch(op.diffArg2) {
326 case Normal:
327 if (operands == 1) {
328 for (auto q : qualifiersSingle){
329 for (auto q2 : { " ", "volatile" }) {
330 forall();
331 cout << q << type << " * " << op.name << "(";
332 cout << q << type << " * " << q2 << " &";
333 cout << ");" << endl;
334 }
335 }
336 } else {
337 for (auto q : qualifiersPair){
338 for (auto q2 : { " ", "volatile" }) {
339 forall();
340 cout << q.first << type << " * " << op.name << "(";
341 cout << q.first << type << " * " << q2 << " &";
342
343 for (int i = 1; i < operands; ++i) {
344 cout << ", " << q.second << type << " *";
345 }
346 cout << ");" << endl;
347 }
348 }
349 }
350 break;
351 case PtrDiff:
352 for (auto q : qualifiersSingle){
353 for (auto q2 : { " ", "volatile" }) {
354 forall();
355 cout << q << type << " * " << op.name << "(";
356 cout << q << type << " * " << q2 << " &";
357
358 for (int i = 1; i < operands; ++i) {
359 cout << ", ptrdiff_t";
360 }
361 cout << ");" << endl;
362 }
363 }
364 break;
365 default:
366 abort();
367 }
368 } else {
369 auto name_and_arg1 = [&op, &type](const std::string & q) {
370 if (op.diffReturn == "&") cout << q << type << " &"; // -- qualifiers
371 else if (op.diffReturn != "") cout << op.diffReturn;
372 else cout << q << type << " *";
373 cout << " " << op.name << "(";
374 };
375 switch(op.diffArg2) {
376 case Normal:
377 for (auto q : qualifiersSingle) {
378 forall();
379 name_and_arg1( q );
380 for (int i = 0; i < operands; ++i) {
381 cout << q << type << " *";
382 if ((i+1) != operands) cout << ", ";
383 }
384 cout << ");" << endl;
385 }
386 break;
387 case CommPtrDiff:
388 for (auto q : qualifiersSingle) {
389 forall();
390 name_and_arg1( q );
391 cout << "ptrdiff_t, " << q << type << " *);" << endl;
392 }
393 // fallthrough
394 case PtrDiff:
395 for (auto q : qualifiersSingle) {
396 forall();
397 name_and_arg1( q );
398 cout << q << type << " *, ptrdiff_t);" << endl;
399 }
400 break;
401 }
402 }
403 }
404 cout << endl;
405 }
406 cout << endl;
407
408 for (auto is_vol : { " ", "volatile" }) {
409 for (auto cvq : qualifiersPair) {
410 cout << "forall(DT &) " << cvq.first << "void * ?=?( " << cvq.first << "void * " << is_vol << " &, " << cvq.second << "DT *);" << endl;
411 }
412 for (auto cvq : qualifiersSingle) {
413 cout << "forall(DT &) " << cvq << " DT * ?=?( " << cvq << " DT * " << is_vol << " &, zero_t);" << endl;
414 }
415 }
416 cout << endl;
417}
418
419// Local Variables: //
420// tab-width: 4 //
421// End: //
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