source: src/Common/DeclStats.cpp@ c5f69fd

Last change on this file since c5f69fd was c92bdcc, checked in by Andrew Beach <ajbeach@…>, 18 months ago

Updated the rest of the names in src/ (except for the generated files).
  • Property mode set to 100644
File size: 21.4 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 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// DeclStats.cpp -- Print statistics about a translation unit's declarations.
8//
9// Author : Andrew Beach
10// Created On : Fri Oct 1 14:26:00 2021
11// Last Modified By : Andrew Beach
12// Last Modified On : Wed Oct 8 11:24:00 2021
13// Update Count : 0
14//
15
16#include "DeclStats.hpp"
17
18#include "AST/LinkageSpec.hpp"
19#include "AST/Pass.hpp"
20#include "AST/Print.hpp"
21#include "Common/VectorMap.hpp"
22
23#include <iostream>
24#include <map>
25#include <sstream>
26#include <unordered_map>
27#include <unordered_set>
28
29// Everything but printDeclStats at the bottom is hidden.
30namespace {
31
32template<typename T>
33void sum( T & l, const T & r ) { l += r; }
34
35void sum( VectorMap<unsigned> & l, const VectorMap<unsigned> & r ) {
36 l.reserve( r.size() );
37 for ( unsigned i = 0 ; i < r.size() ; ++i ) {
38 l[i] += r[i];
39 }
40}
41
42template<typename KeyT>
43void sum( std::map<KeyT, unsigned> & l, const std::map<KeyT, unsigned> & r ) {
44 for ( const auto & entry : r ) {
45 l[ entry.first ] += entry.second;
46 }
47}
48
49template<typename KeyT>
50void sum( std::unordered_map<KeyT, unsigned> & l,
51 const std::unordered_map<KeyT, unsigned> & r ) {
52 for ( const auto & entry : r ) {
53 l[ entry.first ] += entry.second;
54 }
55}
56
57/// Stores statistics on a single group of arguments or return values.
58struct ArgPackStats {
59 /// Count of decls with each number of elements.
60 VectorMap<unsigned> n;
61 /// Count of decls with each number of basic type elements.
62 VectorMap<unsigned> n_basic;
63 /// Count of decls with each number of generic type elements.
64 VectorMap<unsigned> n_generic;
65 /// Count of decls with each number of polymorphic elements.
66 VectorMap<unsigned> n_poly;
67 /// Count of decls with each number of non-generic compound types.
68 VectorMap<unsigned> n_compound;
69 /// Count of decls with each percentage of basic type elements.
70 std::map<unsigned, unsigned> p_basic;
71 /// Count of decls with each percentage of generic type elements.
72 std::map<unsigned, unsigned> p_generic;
73 /// Count of decls with each percentage of polymorphic elements.
74 std::map<unsigned, unsigned> p_poly;
75 /// Count of decls with each percentage of non-generic compound type elements.
76 std::map<unsigned, unsigned> p_compound;
77 /// Count of decls with each number of distinct types in the pack.
78 VectorMap<unsigned> n_types;
79 /// Count of decls with each percentage of new types in lists.
80 /// Types used in the parameter list that recur in the return list are not considered to be new.
81 std::map<unsigned, unsigned> p_new;
82
83 ArgPackStats& operator+=( const ArgPackStats& other ) {
84 sum(n, other.n);
85 sum(n_basic, other.n_basic);
86 sum(n_generic, other.n_generic);
87 sum(n_poly, other.n_poly);
88 sum(n_compound, other.n_compound);
89 sum(p_basic, other.p_basic);
90 sum(p_generic, other.p_generic);
91 sum(p_poly, other.p_poly);
92 sum(p_compound, other.p_compound);
93 sum(n_types, other.n_types);
94 sum(p_new, other.p_new);
95
96 return *this;
97 }
98};
99
100/// Collected statistics on a group of declarations.
101struct Stats {
102 /// Total number of declarations in these statistics.
103 unsigned n_decls;
104 /// Count of declarations with each number of assertion parameters.
105 VectorMap<unsigned> n_type_params;
106 /// Count of generic types with each number of type parameters.
107 VectorMap<unsigned> n_generic_params;
108 /// Count of maximum nesting depth of types.
109 VectorMap<unsigned> n_generic_nesting;
110 /// Count of declarations with each name.
111 std::unordered_map<std::string, unsigned> by_name;
112 /// Count of uses of each basic type.
113 std::unordered_map<std::string, unsigned> basic_type_names;
114 /// Count of uses of each generic type name (includes "*", "[]", "(*)", "[,]").
115 std::unordered_map<std::string, unsigned> generic_type_names;
116 /// Count of uses of each non-generic aggregate type.
117 std::unordered_map<std::string, unsigned> compound_type_names;
118 /// Count of decls using each basic type.
119 std::unordered_map<std::string, unsigned> basic_type_decls;
120 /// Count of decls using each generic type (includes "*", "[]", "(*)", "[,]").
121 std::unordered_map<std::string, unsigned> generic_type_decls;
122 /// Count of decls using each compound type.
123 std::unordered_map<std::string, unsigned> compound_type_decls;
124 /// Stats for the parameter lists.
125 ArgPackStats params;
126 /// Stats for the return lists.
127 ArgPackStats returns;
128
129 /// Count of declarations with each number of assertions.
130 std::map<unsigned, unsigned> n_assns;
131 /// Stats for the assertions' parameters.
132 ArgPackStats assn_params;
133 /// Stats for the assertions' return types.
134 ArgPackStats assn_returns;
135
136 Stats& operator+=( const Stats& other ) {
137 sum( n_decls, other.n_decls );
138 sum( n_type_params, other.n_type_params );
139 sum( n_generic_params, other.n_generic_params );
140 sum( n_generic_nesting, other.n_generic_nesting );
141 sum( by_name, other.by_name );
142 sum( basic_type_names, other.basic_type_names );
143 sum( generic_type_names, other.generic_type_names );
144 sum( compound_type_names, other.compound_type_names );
145 sum( basic_type_decls, other.basic_type_decls );
146 sum( generic_type_decls, other.generic_type_decls );
147 sum( compound_type_decls, other.compound_type_decls );
148 sum( params, other.params );
149 sum( returns, other.returns );
150 sum( n_assns, other.n_assns );
151 sum( assn_params, other.assn_params );
152 sum( assn_returns, other.assn_returns );
153
154 return *this;
155 }
156
157};
158
159void update_max( unsigned & max, unsigned value ) {
160 if ( max < value ) max = value;
161}
162
163// Where all unnamed specs are counted as one named spec group.
164constexpr unsigned num_named_specs = 8;
165
166unsigned linkage_index( ast::Linkage::Spec spec ) {
167 switch ( spec.val ) {
168 case ast::Linkage::Intrinsic.val: return 0;
169 case ast::Linkage::C.val: return 1;
170 case ast::Linkage::Cforall.val: return 2;
171 case ast::Linkage::AutoGen.val: return 3;
172 case ast::Linkage::Compiler.val: return 4;
173 case ast::Linkage::BuiltinCFA.val: return 5;
174 case ast::Linkage::BuiltinC.val: return 6;
175 default: return 7;
176 }
177}
178
179struct DeclStats : public ast::WithShortCircuiting {
180 /// Stores separate stats per linkage.
181 Stats by_linkage[num_named_specs];
182 /// Stores manglenames already seen to avoid double-counting.
183 std::unordered_set<std::string> seen_names;
184 /// Overall stats.
185 Stats total;
186 /// Count of expressions with (depth, fanout)
187 std::map<std::pair<unsigned, unsigned>, unsigned> exprs_by_fanout_at_depth;
188
189 /// Count that we have seen a named type.
190 void countType(
191 const std::string & name, unsigned & n,
192 std::unordered_map<std::string, unsigned> & names,
193 std::unordered_map<std::string, unsigned> & decls,
194 std::unordered_set<std::string> & elSeen ) {
195 ++n;
196 ++names[ name ];
197 if ( elSeen.insert( name ).second ) {
198 ++decls[ name ];
199 }
200 }
201
202 /// Perform type analysis on a subtype.
203 void analyzeSubtype( const ast::Type * type, Stats & stats,
204 std::unordered_set<std::string> & elSeen, unsigned & n_poly,
205 bool & seen_poly, unsigned & max_depth, unsigned depth ) {
206 // This kind of gets in the way of grouping arguments.
207 unsigned ignored = 0;
208 analyzeType(
209 type, stats, elSeen, ignored, ignored, n_poly, ignored,
210 seen_poly, max_depth, depth + 1 );
211 }
212
213 /// Perform type analysis on each subtype.
214 void analyzeSubtypes(
215 const std::vector<ast::ptr<ast::Type>> & types, Stats & stats,
216 std::unordered_set<std::string> & elSeen, unsigned & n_poly,
217 bool & seen_poly, unsigned & max_depth, unsigned depth ) {
218 for ( const auto & type : types ) {
219 analyzeSubtype( type, stats, elSeen, n_poly, seen_poly, max_depth, depth );
220 }
221 }
222
223 /// Perform sub-type analysis on each subtype in an argument pack.
224 void analyzeSubPack(
225 const std::vector<ast::ptr<ast::Type>> & types, Stats & stats,
226 std::unordered_set<std::string> & elSeen, unsigned & n_poly,
227 bool & seen_poly, unsigned & max_depth, unsigned depth,
228 unsigned & n_subs ) {
229 // ... and count voids?
230 for ( const auto & type : types ) {
231 if ( type.as<ast::VoidType>() ) {
232 ++n_subs;
233 }
234 // Could this be in `else`?
235 analyzeSubtype( type, stats, elSeen, n_poly, seen_poly, max_depth, depth );
236 }
237 }
238
239 /// Analyze and gather stats from a single type.
240 void analyzeType( const ast::ptr<ast::Type> & type, Stats & stats,
241 std::unordered_set<std::string> & elSeen,
242 unsigned & n_basic, unsigned & n_generic, unsigned & n_poly,
243 unsigned & n_agg, bool & seen_poly,
244 unsigned & max_depth, unsigned depth ) {
245 // Almost a visit, except it is only types.
246 if ( const ast::BasicType * t = type.as<ast::BasicType>() ) {
247 const std::string name = ast::BasicType::typeNames[ t->kind ];
248 countType( name, n_basic, stats.basic_type_names, stats.basic_type_decls, elSeen );
249 update_max( max_depth, depth );
250 } else if ( auto t = type.as<ast::PointerType>() ) {
251 static const std::string name = "*";
252 countType( name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen );
253 analyzeSubtype( t->base, stats, elSeen, n_poly, seen_poly, max_depth, depth );
254 ++stats.n_generic_params.at( 1 );
255 } else if ( auto t = type.as<ast::ArrayType>() ) {
256 static const std::string name = "[]";
257 countType( name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen );
258 analyzeSubtype( t->base, stats, elSeen, n_poly, seen_poly, max_depth, depth );
259 ++stats.n_generic_params.at( 1 );
260 } else if ( auto t = type.as<ast::ReferenceType>() ) {
261 static const std::string name = "&";
262 countType( name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen );
263 analyzeSubtype( t->base, stats, elSeen, n_poly, seen_poly, max_depth, depth );
264 ++stats.n_generic_params.at( 1 );
265 } else if ( auto t = type.as<ast::FunctionType>() ) {
266 static const std::string name = "(*)";
267 countType( name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen );
268 unsigned n_subs = 0;
269 analyzeSubPack( t->returns, stats, elSeen, n_poly, seen_poly, max_depth, depth, n_subs );
270 analyzeSubPack( t->params, stats, elSeen, n_poly, seen_poly, max_depth, depth, n_subs );
271 ++stats.n_generic_params.at( n_subs );
272 } else if ( auto t = type.as<ast::TypeInstType>() ) {
273 if ( !seen_poly ) {
274 ++n_poly;
275 seen_poly = true;
276 }
277 countType( t->name, n_agg, stats.compound_type_names,
278 stats.compound_type_decls, elSeen );
279 update_max( max_depth, depth );
280 } else if ( auto t = type.as<ast::BaseInstType>() ) {
281 auto & params = t->params;
282 if ( params.empty() ) {
283 countType( t->name, n_agg, stats.compound_type_names,
284 stats.compound_type_decls, elSeen );
285 update_max( max_depth, depth );
286 } else {
287 countType( t->name, n_generic, stats.generic_type_names,
288 stats.generic_type_decls, elSeen );
289 ++stats.n_generic_params.at( params.size() );
290 }
291 } else if ( auto t = type.as<ast::TupleType>() ) {
292 static const std::string name = "[,]";
293 countType( name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen);
294 analyzeSubtypes( t->types, stats, elSeen, n_poly, seen_poly, max_depth, depth );
295 ++stats.n_generic_params.at( t->size() );
296 } else if ( type.as<ast::VarArgsType>() ) {
297 static const std::string name = "...";
298 countType( name, n_agg, stats.compound_type_names, stats.compound_type_decls, elSeen );
299 update_max( max_depth, depth );
300 } else if ( type.as<ast::ZeroType>() ) {
301 static const std::string name = "0";
302 countType( name, n_basic, stats.basic_type_names, stats.basic_type_decls, elSeen );
303 update_max( max_depth, depth );
304 } else if ( type.as<ast::OneType>() ) {
305 static const std::string name = "1";
306 countType( name, n_basic, stats.basic_type_names, stats.basic_type_decls, elSeen );
307 update_max( max_depth, depth );
308 }
309 }
310
311 /// Update an ArgPackStats based on the list of types it repersents.
312 void analyzeArgPack(
313 const std::vector<ast::ptr<ast::Type>> & types,
314 Stats & stats,
315 ArgPackStats & packStats,
316 // What are these two used for?
317 std::unordered_set<std::string> & seen,
318 std::unordered_set<std::string> & elSeen ) {
319 std::unordered_set<std::string> type_names;
320 unsigned n = 0;
321 unsigned n_basic = 0;
322 unsigned n_generic = 0;
323 unsigned n_poly = 0;
324 unsigned n_compound = 0;
325 unsigned n_new = 0;
326
327 for ( auto & type : types ) {
328 n += type->size();
329
330 std::stringstream ss;
331 ast::print( ss, type );
332 type_names.insert( ss.str() );
333 if ( seen.insert( ss.str() ).second ) {
334 ++n_new;
335 }
336
337 bool seen_poly = false;
338 unsigned max_depth = 0;
339 analyzeType(
340 type, stats, elSeen, n_basic, n_generic, n_poly, n_compound,
341 seen_poly, max_depth, 0
342 );
343 ++stats.n_generic_nesting.at( max_depth );
344 }
345
346 ++packStats.n.at( n );
347 ++packStats.n_basic.at( n_basic );
348 ++packStats.n_generic.at( n_generic );
349 ++packStats.n_poly.at( n_poly );
350 ++packStats.n_compound.at( n_compound );
351 if ( n > 0 ) {
352 ++packStats.p_basic[ n_basic * 100 / n ];
353 ++packStats.p_generic[ n_generic * 100 / n ];
354 ++packStats.p_poly[ n_poly * 100 / n ];
355 ++packStats.p_compound[ n_compound * 100 / n ];
356 if ( n > 1 ) {
357 ++packStats.p_new[ (n_new - 1) * 100 / (n - 1) ];
358 }
359 }
360 ++packStats.n_types.at( types.size() );
361 }
362
363 /// Perform type analysis on a function type, storing information in the
364 /// given ArgPackStats.
365 void analyzeFunctionType( const ast::FunctionType * type, Stats& stats,
366 ArgPackStats Stats::* param_pack,
367 ArgPackStats Stats::* return_pack ) {
368 // I still don't know what these are for.
369 std::unordered_set<std::string> seen;
370 std::unordered_set<std::string> elSeen;
371 analyzeArgPack( type->params, stats, stats.*param_pack, seen, elSeen );
372 analyzeArgPack( type->returns, stats, stats.*return_pack, seen, elSeen );
373 }
374
375 /// If the assertion is a function, return the function type.
376 static const ast::FunctionType * getAssertionFunctionType(
377 const ast::ptr<ast::DeclWithType> & assertion ) {
378 if ( auto * assertionObject = assertion.as<ast::ObjectDecl>() ) {
379 if ( auto * ptrTy = assertionObject->type.as<ast::PointerType>() ) {
380 return ptrTy->base.as<ast::FunctionType>();
381 } else {
382 return assertionObject->type.as<ast::FunctionType>();
383 }
384 } else if ( auto * assertionDecl = assertion.as<ast::FunctionDecl>() ) {
385 return assertionDecl->type;
386 }
387 return nullptr;
388 }
389
390 void analyzeFunctionDecl( const ast::FunctionDecl * decl ) {
391 Stats & stats = by_linkage[ linkage_index( decl->linkage ) ];
392
393 ++stats.n_decls;
394 const ast::FunctionType * type = decl->type.get();
395 const ast::FunctionType::ForallList & forall = type->forall;
396 ++stats.n_type_params.at( forall.size() );
397 unsigned num_assertions = 0;
398 for ( const ast::ptr<ast::TypeInstType> & instType : forall ) {
399 num_assertions += instType->base->assertions.size();
400 for ( const auto & assertion : instType->base->assertions ) {
401 if ( auto assertionType = getAssertionFunctionType( assertion ) ) {
402 analyzeFunctionType( assertionType, stats,
403 &Stats::assn_params, &Stats::assn_returns );
404 }
405 }
406 }
407 ++stats.n_assns[ num_assertions ];
408 ++stats.by_name[ decl->name ];
409 analyzeFunctionType( type, stats, &Stats::params, &Stats::returns );
410 }
411
412 void analyzeUntypedExpr( const ast::UntypedExpr * expr, unsigned depth ) {
413 unsigned fanout = expr->args.size();
414 ++exprs_by_fanout_at_depth[ std::make_pair( depth, fanout ) ];
415
416 for ( const ast::ptr<ast::Expr> & arg : expr->args ) {
417 if ( const auto * untyped = arg.as<ast::UntypedExpr>() ) {
418 analyzeUntypedExpr( untyped, depth + 1 );
419 }
420 }
421 }
422
423public:
424 void previsit( const ast::UntypedExpr * expr ) {
425 visit_children = false;
426 analyzeUntypedExpr( expr, 0 );
427 }
428
429 void previsit( const ast::FunctionDecl * decl ) {
430 const std::string & mangleName = decl->mangleName;
431 const std::string & indexName = mangleName.empty() ? decl->name : mangleName;
432 if ( seen_names.insert( indexName ).second ) {
433 analyzeFunctionDecl( decl );
434 }
435 }
436
437private:
438
439 // Trying to avoid duplication by templates.
440 // I couldn't do it in all cases.
441 template<typename T, typename U>
442 using getter = std::function<U(T const &)>;
443
444 /// Print a single role, for every linkage and the totals.
445 void printRow( const std::string & name, getter<Stats, unsigned> extract ) {
446 std::cout << "\"" << name << "\",";
447 for ( const Stats & stats : by_linkage ) {
448 std::cout << "," << extract( stats );
449 }
450 std::cout << "," << extract( total ) << std::endl;
451 }
452
453 /// Print every row in a group of maps.
454 template<typename Func>
455 void printAllMap( const std::string & name, Func && extract ) {
456 // Get all rows from the total stats.
457 for ( auto & entry : extract( total ) ) {
458 auto & key = entry.first;
459 std::cout << "\"" << name << "\"," << key;
460 for ( const auto & stats : by_linkage ) {
461 const auto & map = extract( stats );
462 auto it = map.find( key );
463 if ( map.end() == it ) {
464 std::cout << ",0";
465 } else {
466 std::cout << "," << it->second;
467 }
468 }
469 std::cout << "," << entry.second << std::endl;
470 }
471 }
472
473 /// Accumalate information, then print every row in the remaining maps.
474 template<typename Func>
475 void printAllSparseHisto( const std::string & name, Func && extract ) {
476 std::map<unsigned, unsigned> histos[num_named_specs];
477 std::map<unsigned, unsigned> histo_total;
478
479 // Collect all data into the histograms.
480 for ( const auto & entry : extract( total ) ) {
481 ++histo_total[ entry.second ];
482 }
483
484 for ( unsigned i = 0 ; i < num_named_specs ; ++i ) {
485 for ( const auto & entry : extract( by_linkage[i] ) ) {
486 ++histos[ i ][ entry.second ];
487 }
488 }
489
490 // Get all rows from the total stats.
491 for ( const auto & entry : histo_total ) {
492 const unsigned & key = entry.first;
493 std::cout << "\"" << name << "\"," << key;
494 for ( unsigned i = 0 ; i < num_named_specs ; ++i ) {
495 auto it = histos[i].find( key );
496 if ( histos[i].end() == it ) {
497 std::cout << ",0";
498 } else {
499 std::cout << "," << it->second;
500 }
501 }
502 std::cout << "," << entry.second << std::endl;
503 }
504 }
505
506 void printAllPack( const std::string & name, ArgPackStats Stats::* field ) {
507 printAllMap("n_basic_" + name, [&field](const Stats& stats) { return (stats.*field).n_basic; });
508 printAllMap("n_generic_" + name, [&field](const Stats& stats) { return (stats.*field).n_generic; });
509 printAllMap("n_poly_" + name, [&field](const Stats& stats) { return (stats.*field).n_poly; });
510 printAllMap("n_compound_" + name, [&field](const Stats& stats) { return (stats.*field).n_compound; });
511 printAllMap("n_" + name, [&field](const Stats& stats) { return (stats.*field).n; });
512 printAllMap("%_basic_" + name, [&field](const Stats& stats) { return (stats.*field).p_basic; });
513 printAllMap("%_generic_" + name, [&field](const Stats& stats) { return (stats.*field).p_generic; });
514 printAllMap("%_poly_" + name, [&field](const Stats& stats) { return (stats.*field).p_poly; });
515 printAllMap("%_compound_" + name, [&field](const Stats& stats) { return (stats.*field).p_compound; });
516 printAllMap("n_distinct_types_" + name, [&field](const Stats& stats) { return (stats.*field).n_types; });
517 printAllMap("%_new_types_in_" + name, [&field](const Stats& stats) { return (stats.*field).p_new; });
518 }
519
520 static void printPairMap (
521 const std::string & name,
522 const std::map<std::pair<unsigned, unsigned>, unsigned> & map ) {
523 for ( const auto & entry : map ) {
524 const auto & key = entry.first;
525 std::cout << "\"" << name << "\"," << key.first << ','
526 << key.second << ',' << entry.second << std::endl;
527 }
528 }
529
530public:
531 void print() {
532 for ( auto & stats : by_linkage ) {
533 total += stats;
534 }
535
536 std::cout << ",,\"intrinsic\",\"Cforall\",\"C\",\"autogen\",\"compiler\",\"builtinCFA\",\"builtinC\",\"other\",\"TOTAL\"" << std::endl;
537
538 printAllMap("n_type_params", [](const Stats& stats) { return stats.n_type_params; });
539 printAllMap("n_generic_params", [](const Stats& stats) { return stats.n_generic_params; });
540 printAllMap("n_generic_nesting", [](const Stats& stats) { return stats.n_generic_nesting; });
541 printRow("n_decls", [](const Stats& stats) { return stats.n_decls; });
542 printRow("unique_names", [](const Stats& stats) { return stats.by_name.size(); });
543 printAllSparseHisto("overloads", [](const Stats& stats) { return stats.by_name; });
544 printRow("basic_type_names", [](const Stats& stats) { return stats.basic_type_names.size(); });
545 printAllSparseHisto("basic_type_uses", [](const Stats& stats) { return stats.basic_type_names; });
546 printAllSparseHisto("decls_using_basic_type", [](const Stats& stats) { return stats.basic_type_decls; });
547 printRow("generic_type_names", [](const Stats& stats) { return stats.generic_type_names.size(); });
548 printAllSparseHisto("generic_type_uses", [](const Stats& stats) { return stats.generic_type_names; });
549 printAllSparseHisto("decls_using_generic_type", [](const Stats& stats) { return stats.generic_type_decls; });
550 printRow("compound_type_names", [](const Stats& stats) { return stats.compound_type_names.size(); });
551 printAllSparseHisto("compound_type_uses", [](const Stats& stats) { return stats.compound_type_names; });
552 printAllSparseHisto("decls_using_compound_type", [](const Stats& stats) { return stats.compound_type_decls; });
553 printAllPack("params", &Stats::params);
554 printAllPack("returns", &Stats::returns);
555 printAllMap("n_assns", [](const Stats& stats) { return stats.n_assns; });
556 printAllPack("assn_params", &Stats::assn_params);
557 printAllPack("assn_returns", &Stats::assn_returns);
558 std::cout << std::endl;
559
560 printPairMap( "exprs by depth+fanout", exprs_by_fanout_at_depth );
561 }
562};
563
564} // namespace
565
566void printDeclStats( ast::TranslationUnit & translationUnit ) {
567 ast::Pass<DeclStats> stats;
568 accept_all( translationUnit, stats );
569 stats.core.print();
570}
571
572// Local Variables: //
573// tab-width: 4 //
574// mode: c++ //
575// compile-command: "make install" //
576// End: //
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