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source: src/CodeTools/DeclStats.cc @ 13f066d

ADTast-experimental

Last change on this file since 13f066d was 68fe946e, checked in by Andrew Beach <ajbeach@…>, 3 years ago
Updated DeclStats? for the new ast. Also fixed a bug in the old implementation (apparently it hasn't been used since gcc-builtins were added).
Property mode set to `100644`
File size: 22.5 KB

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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.cc --
8	//
9	// Author : Aaron Moss
10	// Created On : Wed Jan 31 16:40:00 2016
11	// Last Modified By : Peter A. Buhr
12	// Last Modified On : Fri Dec 13 23:39:33 2019
13	// Update Count : 2
14	//
15
16	#include "DeclStats.h"
17
18	#include <iostream> // for operator<<, basic_ostream, cout
19	#include <map> // for map
20	#include <string> // for string, operator+, operator<<, cha...
21	#include <unordered_map> // for unordered_map
22	#include <unordered_set> // for unordered_set
23	#include <utility> // for pair, make_pair
24
25	#include "Common/PassVisitor.h"
26	#include "Common/VectorMap.h" // for VectorMap
27	#include "GenPoly/GenPoly.h" // for hasPolyBase
28	#include "SynTree/LinkageSpec.h" // for ::NoOfSpecs, Spec
29	#include "SynTree/Declaration.h" // for FunctionDecl, TypeDecl, Declaration
30	#include "SynTree/Expression.h" // for UntypedExpr, Expression
31	#include "SynTree/Statement.h" // for CompoundStmt
32	#include "SynTree/Type.h" // for Type, FunctionType, PointerType
33	#include "SynTree/Visitor.h" // for maybeAccept, Visitor, acceptAll
34
35	namespace CodeTools {
36
37	struct DeclStats : public WithShortCircuiting {
38	template<typename T>
39	static void sum(T& a, const T& b) { a += b; }
40
41	static void sum(VectorMap<unsigned>& a, const VectorMap<unsigned>& b) {
42	a.reserve( b.size() );
43	for ( unsigned i = 0; i < b.size(); ++i ) {
44	a[i] += b[i];
45	}
46	}
47
48	template<typename K>
49	static void sum(std::map<K, unsigned>& a, const std::map<K, unsigned>& b) {
50	for ( const auto& entry : b ) {
51	a[ entry.first ] += entry.second;
52	}
53	}
54
55	template<typename K>
56	static void sum(std::unordered_map<K, unsigned>& a, const std::unordered_map<K, unsigned>& b) {
57	for ( const auto& entry : b ) {
58	a[ entry.first ] += entry.second;
59	}
60	}
61
62	struct ArgPackStats {
63	VectorMap<unsigned> n; ///< Count of decls with each number of elements
64	VectorMap<unsigned> n_basic; ///< Count of decls with each number of basic type elements
65	VectorMap<unsigned> n_generic; ///< Count of decls with each number of generic type elements
66	VectorMap<unsigned> n_poly; ///< Count of decls with each number of polymorphic elements
67	VectorMap<unsigned> n_compound; ///< Count of decls with each number of non-generic compound types
68	std::map<unsigned, unsigned> p_basic; ///< Count of decls with each percentage of basic type elements
69	std::map<unsigned, unsigned> p_generic; ///< Count of decls with each percentage of generic type elements
70	std::map<unsigned, unsigned> p_poly; ///< Count of decls with each percentage of polymorphic elements
71	std::map<unsigned, unsigned> p_compound; ///< Count of decls with each percentage of non-generic compound type elements
72	VectorMap<unsigned> n_types; ///< Count of decls with each number of distinct types in the pack
73	/// Count of decls with each percentage of new types in lists.
74	/// Types used in the parameter list that recur in the return list are not considered to be new.
75	std::map<unsigned, unsigned> p_new;
76
77	ArgPackStats& operator+= (const ArgPackStats& o) {
78	sum(n, o.n);
79	sum(n_basic, o.n_basic);
80	sum(n_generic, o.n_generic);
81	sum(n_poly, o.n_poly);
82	sum(n_compound, o.n_compound);
83	sum(p_basic, o.p_basic);
84	sum(p_generic, o.p_generic);
85	sum(p_poly, o.p_poly);
86	sum(p_compound, o.p_compound);
87	sum(n_types, o.n_types);
88	sum(p_new, o.p_new);
89
90	return *this;
91	}
92	};
93
94	struct Stats {
95	unsigned n_decls; ///< Total number of declarations
96	/// Count of declarations with each number of assertion parameters
97	VectorMap<unsigned> n_type_params;
98	/// Count of generic types with each number of type parameters
99	VectorMap<unsigned> n_generic_params;
100	/// Count of maximum nesting depth of types
101	VectorMap<unsigned> n_generic_nesting;
102	/// Count of declarations with each name
103	std::unordered_map<std::string, unsigned> by_name;
104	/// Count of uses of each basic type
105	std::unordered_map<std::string, unsigned> basic_type_names;
106	/// Count of uses of each generic type name (includes "", "[]", "()", "[,]")
107	std::unordered_map<std::string, unsigned> generic_type_names;
108	/// Count of uses of each non-generic aggregate type
109	std::unordered_map<std::string, unsigned> compound_type_names;
110	/// Count of decls using each basic type
111	std::unordered_map<std::string, unsigned> basic_type_decls;
112	/// Count of decls using each generic type (includes "", "[]", "()", "[,]")
113	std::unordered_map<std::string, unsigned> generic_type_decls;
114	/// Count of decls using each compound type
115	std::unordered_map<std::string, unsigned> compound_type_decls;
116	/// Stats for the parameter list
117	ArgPackStats params;
118	/// Stats for the return list
119	ArgPackStats returns;
120
121	/// Count of declarations with each number of assertions
122	std::map<unsigned, unsigned> n_assns;
123	/// Stats for the assertions' parameters
124	ArgPackStats assn_params;
125	/// Stats for the assertions' return types
126	ArgPackStats assn_returns;
127
128	Stats() : n_decls(0), n_type_params(), n_generic_params(), n_generic_nesting(),
129	by_name(), basic_type_names(), generic_type_names(), compound_type_names(),
130	basic_type_decls(), generic_type_decls(), compound_type_decls(), params(),
131	returns(), n_assns(), assn_params(), assn_returns() {}
132
133	public:
134	Stats& operator+= (const Stats& o) {
135	sum( n_decls, o.n_decls );
136	sum( n_type_params, o.n_type_params );
137	sum( n_generic_params, o.n_generic_params );
138	sum( n_generic_nesting, o.n_generic_nesting );
139	sum( by_name, o.by_name );
140	sum( basic_type_names, o.basic_type_names );
141	sum( generic_type_names, o.generic_type_names );
142	sum( compound_type_names, o.compound_type_names );
143	sum( basic_type_decls, o.basic_type_decls );
144	sum( generic_type_decls, o.generic_type_decls );
145	sum( compound_type_decls, o.compound_type_decls );
146	sum( params, o.params );
147	sum( returns, o.returns );
148	sum( n_assns, o.n_assns );
149	sum( assn_params, o.assn_params );
150	sum( assn_returns, o.assn_returns );
151
152	return *this;
153	}
154	};
155
156	/// number of counting bins for linkages
157	static const unsigned n_named_specs = 8;
158	/// Mapping function from linkage to bin.
159	static unsigned linkage_index( LinkageSpec::Spec spec ) {
160	switch ( spec ) {
161	case LinkageSpec::Intrinsic: return 0;
162	case LinkageSpec::C: return 1;
163	case LinkageSpec::Cforall: return 2;
164	case LinkageSpec::AutoGen: return 3;
165	case LinkageSpec::Compiler: return 4;
166	case LinkageSpec::BuiltinCFA: return 5;
167	case LinkageSpec::BuiltinC: return 6;
168	default: return 7;
169	}
170	}
171
172	Stats for_linkage[n_named_specs]; ///< Stores separate stats per linkage
173	std::unordered_set<std::string> seen_names; ///< Stores manglenames already seen to avoid double-counting
174	Stats total;
175	/// Count of expressions with (depth, fanout)
176	std::map<std::pair<unsigned, unsigned>, unsigned> exprs_by_fanout_at_depth;
177
178	void countType( const std::string& name, unsigned& n, std::unordered_map<std::string,
179	unsigned>& names, std::unordered_map<std::string, unsigned>& decls,
180	std::unordered_set<std::string>& elSeen ) {
181	++n;
182	++names[ name ];
183	if ( elSeen.insert( name ).second ) { ++decls[ name ]; }
184	}
185
186	void update_max( unsigned& max, unsigned crnt ) {
187	if ( crnt > max ) max = crnt;
188	}
189
190	void analyzeSubtype( Type* ty, Stats& stats, std::unordered_set<std::string>& elSeen,
191	unsigned& n_poly, bool& seen_poly, unsigned& max_depth, unsigned depth ) {
192	unsigned x;
193	analyzeType( ty, stats, elSeen, x, x, n_poly, x, seen_poly, max_depth, depth + 1 );
194	}
195
196	void analyzeSubtypes( std::list<DeclarationWithType*>& tys, Stats& stats,
197	std::unordered_set<std::string>& elSeen, unsigned& n_poly, bool& seen_poly,
198	unsigned& max_depth, unsigned depth, unsigned& n_subs ) {
199	for ( DeclarationWithType* dwt : tys ) {
200	Type* ty = dwt->get_type();
201	n_subs += (unsigned)( dynamic_cast<VoidType*>(ty) != nullptr );
202	analyzeSubtype( ty, stats, elSeen, n_poly, seen_poly, max_depth, depth );
203	}
204	}
205
206	void analyzeSubtypes( std::list<Expression*>& tys, Stats& stats,
207	std::unordered_set<std::string>& elSeen, unsigned& n_poly, bool& seen_poly,
208	unsigned& max_depth, unsigned depth ) {
209	for ( Expression* expr : tys ) {
210	TypeExpr* texpr = dynamic_cast<TypeExpr*>(expr);
211	if ( ! texpr ) continue;
212	Type* ty = texpr->get_type();
213	analyzeSubtype( ty, stats, elSeen, n_poly, seen_poly, max_depth, depth );
214	}
215	}
216
217	void analyzeSubtypes( std::list<Type*>& tys, Stats& stats,
218	std::unordered_set<std::string>& elSeen, unsigned& n_poly, bool& seen_poly,
219	unsigned& max_depth, unsigned depth ) {
220	for ( Type* ty : tys ) {
221	analyzeSubtype( ty, stats, elSeen, n_poly, seen_poly, max_depth, depth );
222	}
223	}
224
225	void analyzeType( Type* ty, Stats& stats, std::unordered_set<std::string>& elSeen,
226	unsigned& n_basic, unsigned& n_generic, unsigned& n_poly, unsigned& n_agg,
227	bool& seen_poly, unsigned& max_depth, unsigned depth = 0 ) {
228	if ( BasicType* bt = dynamic_cast<BasicType*>(ty) ) {
229	std::string name = BasicType::typeNames[ bt->get_kind() ];
230	countType( name, n_basic, stats.basic_type_names, stats.basic_type_decls, elSeen );
231	update_max( max_depth, depth );
232	} else if ( PointerType* pt = dynamic_cast<PointerType*>(ty) ) {
233	std::string name = "*";
234	countType(
235	name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen);
236	analyzeSubtype(
237	pt->get_base(), stats, elSeen, n_poly, seen_poly, max_depth, depth );
238	++stats.n_generic_params.at( 1 );
239	} else if ( ArrayType* at = dynamic_cast<ArrayType*>(ty) ) {
240	std::string name = "[]";
241	countType(
242	name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen);
243	analyzeSubtype(
244	at->get_base(), stats, elSeen, n_poly, seen_poly, max_depth, depth );
245	++stats.n_generic_params.at( 1 );
246	} else if ( ReferenceType* rt = dynamic_cast<ReferenceType*>(ty) ) {
247	std::string name = "&";
248	countType(
249	name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen);
250	analyzeSubtype(
251	rt->get_base(), stats, elSeen, n_poly, seen_poly, max_depth, depth );
252	++stats.n_generic_params.at( 1 );
253	} else if ( FunctionType* ft = dynamic_cast<FunctionType*>(ty) ) {
254	std::string name = "(*)";
255	countType(
256	name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen);
257	unsigned n_subs = 0;
258	analyzeSubtypes(
259	ft->get_returnVals(), stats, elSeen, n_poly, seen_poly, max_depth, depth,
260	n_subs );
261	analyzeSubtypes(
262	ft->get_parameters(), stats, elSeen, n_poly, seen_poly, max_depth, depth,
263	n_subs );
264	++stats.n_generic_params.at( n_subs );
265	} else if ( TypeInstType* vt = dynamic_cast<TypeInstType*>(ty) ) {
266	if ( ! seen_poly ) {
267	++n_poly;
268	seen_poly = true;
269	}
270	countType(
271	vt->get_name(), n_agg, stats.compound_type_names, stats.compound_type_decls,
272	elSeen );
273	update_max( max_depth, depth );
274	} else if ( ReferenceToType* st = dynamic_cast<ReferenceToType*>(ty) ) {
275	std::list<Expression*>& params = st->get_parameters();
276	if ( params.empty() ) {
277	countType(
278	st->get_name(), n_agg, stats.compound_type_names,
279	stats.compound_type_decls, elSeen );
280	update_max( max_depth, depth );
281	} else {
282	countType(
283	st->get_name(), n_generic, stats.generic_type_names,
284	stats.generic_type_decls, elSeen);
285	analyzeSubtypes( params, stats, elSeen, n_poly, seen_poly, max_depth, depth );
286	++stats.n_generic_params.at( params.size() );
287	}
288	} else if ( TupleType* tt = dynamic_cast<TupleType*>(ty) ) {
289	std::string name = "[,]";
290	countType(
291	name, n_generic, stats.generic_type_names, stats.generic_type_decls, elSeen);
292	analyzeSubtypes(
293	tt->get_types(), stats, elSeen, n_poly, seen_poly, max_depth, depth );
294	++stats.n_generic_params.at( tt->size() );
295	} else if ( dynamic_cast<VarArgsType*>(ty) ) {
296	std::string name = "...";
297	countType(
298	name, n_agg, stats.compound_type_names, stats.compound_type_decls, elSeen );
299	update_max( max_depth, depth );
300	} else if ( dynamic_cast<ZeroType*>(ty) ) {
301	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 ( dynamic_cast<OneType*>(ty) ) {
305	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 arg pack stats based on a declaration list
312	void analyze( Stats& stats, std::unordered_set<std::string>& seen,
313	std::unordered_set<std::string>& elSeen, ArgPackStats& pstats,
314	std::list<DeclarationWithType*>& decls ) {
315	std::unordered_set<std::string> types;
316	unsigned n = 0; ///< number of args/returns
317	unsigned n_basic = 0; ///< number of basic types
318	unsigned n_generic = 0; ///< number of generic types (includes "", "&", "[]", "()", "[,]")
319	unsigned n_poly = 0; ///< number of polymorphic types
320	unsigned n_agg = 0; ///< number of non-generic aggregate types
321	unsigned n_new = 0; ///< number of new types
322
323	for ( auto decl : decls ) {
324	Type* dt = decl->get_type();
325
326	n += dt->size();
327
328	std::stringstream ss;
329	dt->print( ss );
330	types.insert( ss.str() );
331	if ( seen.insert( ss.str() ).second ) { ++n_new; }
332
333	bool seen_poly = false;
334	unsigned max_depth = 0;
335	analyzeType(
336	dt, stats, elSeen, n_basic, n_generic, n_poly, n_agg, seen_poly, max_depth );
337	++stats.n_generic_nesting.at( max_depth );
338	}
339
340	++pstats.n.at( n );
341	++pstats.n_basic.at( n_basic );
342	++pstats.n_generic.at( n_generic );
343	++pstats.n_poly.at( n_poly );
344	++pstats.n_compound.at( n_agg );
345	if ( n > 0 ) {
346	++pstats.p_basic[ n_basic*100/n ];
347	++pstats.p_generic[ n_generic*100/n ];
348	++pstats.p_poly[ n_poly*100/n ];
349	++pstats.p_compound[ n_agg*100/n ];
350	if ( n > 1 ) ++pstats.p_new[ (n_new-1)*100/(n-1) ];
351	}
352	++pstats.n_types.at( types.size() );
353	}
354
355	void analyzeFunc( FunctionType* fnTy, Stats& stats, ArgPackStats& params, ArgPackStats& returns ) {
356	std::unordered_set<std::string> seen;
357	std::unordered_set<std::string> elSeen;
358	analyze( stats, seen, elSeen, params, fnTy->get_parameters() );
359	analyze( stats, seen, elSeen, returns, fnTy->get_returnVals() );
360	}
361
362	void analyzeExpr( UntypedExpr *expr, unsigned depth ) {
363	auto& args = expr->get_args();
364	unsigned fanout = args.size();
365
366	++exprs_by_fanout_at_depth[ std::make_pair(depth, fanout) ];
367	for ( Expression* arg : args ) {
368	if ( UntypedExpr uearg = dynamic_cast<UntypedExpr>(arg) ) {
369	analyzeExpr( uearg, depth+1 );
370	}
371	}
372	}
373
374	public:
375	void previsit( FunctionDecl *decl ) {
376	// skip if already seen declaration for this function
377	const std::string& mangleName = decl->get_mangleName().empty() ? decl->name : decl->get_mangleName();
378	if ( seen_names.insert( mangleName ).second ) {
379	Stats& stats = for_linkage[ linkage_index( decl->linkage ) ];
380
381	++stats.n_decls;
382	FunctionType* fnTy = decl->type;
383	const Type::ForallList& forall = fnTy->forall;
384	++stats.n_type_params.at( forall.size() );
385	unsigned n_assns = 0;
386	for ( TypeDecl* fdecl : forall ) {
387	n_assns += fdecl->assertions.size();
388	for ( DeclarationWithType* assn : fdecl->assertions ) {
389	FunctionType *assnTy = nullptr;
390	if ( ObjectDecl assnObj = dynamic_cast<ObjectDecl>(assn) ) {
391	if ( PointerType ptrTy = dynamic_cast<PointerType>(assnObj->get_type()) ) {
392	assnTy = dynamic_cast<FunctionType*>(ptrTy->base);
393	} else assnTy = dynamic_cast<FunctionType*>(assnObj->get_type());
394	} else if ( FunctionDecl assnDecl = dynamic_cast<FunctionDecl>(assn) ) {
395	assnTy = assnDecl->type;
396	}
397	if ( assnTy ) analyzeFunc( assnTy, stats, stats.assn_params, stats.assn_returns );
398	}
399	}
400	++stats.n_assns[ n_assns ];
401	++stats.by_name[ decl->name ];
402	analyzeFunc( fnTy, stats, stats.params, stats.returns );
403	}
404	}
405
406	void previsit( UntypedExpr *expr ) {
407	visit_children = false;
408	analyzeExpr( expr, 0 );
409	}
410
411	private:
412	template<typename F>
413	void printAll( const std::string& name, F extract ) {
414	std::cout << "\"" << name << "\",";
415	for ( const auto& stats : for_linkage ) {
416	std::cout << "," << extract(stats);
417	}
418	std::cout << "," << extract(total) << std::endl;
419	}
420
421	template<typename F>
422	void printAllMap( const std::string& name, F extract ) {
423	for ( const auto& entry : extract(total) ) {
424	const auto& key = entry.first;
425	std::cout << "\"" << name << "\"," << key;
426	for ( const auto& stats : for_linkage ) {
427	const auto& map = extract(stats);
428	auto it = map.find( key );
429	if ( it == map.end() ) std::cout << ",0";
430	else std::cout << "," << it->second;
431	}
432	std::cout << "," << entry.second << std::endl;
433	}
434	}
435
436	template<typename F>
437	void printAllHisto( const std::string& name, F extract ) {
438	VectorMap<unsigned> histos[n_named_specs];
439	VectorMap<unsigned> thisto;
440
441	for ( const auto& entry : extract(total) ) { ++thisto.at( entry.second ); }
442
443	for ( unsigned i = 0; i < n_named_specs; ++i ) {
444	// can't be a higher count in one of the sub-histograms than the total
445	histos[i].reserve( thisto.size() );
446
447	for ( const auto& entry : extract(for_linkage[i]) ) { ++histos[i][entry.second]; }
448	}
449
450	for ( unsigned i = 0; i < thisto.size(); ++i ) {
451	std::cout << "\"" << name << "\"," << i;
452	for ( const auto& histo : histos ) {
453	std::cout << "," << histo[i];
454	}
455	std::cout << "," << thisto[i] << std::endl;
456	}
457	}
458
459	template<typename F>
460	void printAllSparseHisto( const std::string& name, F extract ) {
461	std::map<unsigned, unsigned> histos[n_named_specs];
462	std::map<unsigned, unsigned> thisto;
463
464	for ( const auto& entry : extract(total) ) { ++thisto[ entry.second ]; }
465
466	for ( unsigned i = 0; i < n_named_specs; ++i ) {
467	for ( const auto& entry : extract(for_linkage[i]) ) { ++histos[i][entry.second]; }
468	}
469
470	for ( const auto& entry : thisto ) {
471	const auto& key = entry.first;
472	std::cout << "\"" << name << "\"," << key;
473	for ( unsigned i = 0; i < n_named_specs; ++i ) {
474	auto it = histos[i].find( key );
475	if ( it == histos[i].end() ) std::cout << ",0";
476	else std::cout << "," << it->second;
477	}
478	std::cout << "," << entry.second << std::endl;
479	}
480	}
481
482	template<typename F>
483	void printAllPack( const std::string& name, F extract ) {
484	printAllMap("n_basic_" + name, [&extract](const Stats& stats) { return extract(stats).n_basic; });
485	printAllMap("n_generic_" + name, [&extract](const Stats& stats) { return extract(stats).n_generic; });
486	printAllMap("n_poly_" + name, [&extract](const Stats& stats) { return extract(stats).n_poly; });
487	printAllMap("n_compound_" + name, [&extract](const Stats& stats) { return extract(stats).n_compound; });
488	printAllMap("n_" + name, [&extract](const Stats& stats) { return extract(stats).n; });
489	printAllMap("%_basic_" + name, [&extract](const Stats& stats) { return extract(stats).p_basic; });
490	printAllMap("%_generic_" + name, [&extract](const Stats& stats) { return extract(stats).p_generic; });
491	printAllMap("%_poly_" + name, [&extract](const Stats& stats) { return extract(stats).p_poly; });
492	printAllMap("%_compound_" + name, [&extract](const Stats& stats) { return extract(stats).p_compound; });
493	printAllMap("n_distinct_types_" + name, [&extract](const Stats& stats) { return extract(stats).n_types; });
494	printAllMap("%_new_types_in_" + name, [&extract](const Stats& stats) { return extract(stats).p_new; });
495	}
496
497	void printPairMap( const std::string& name,
498	const std::map<std::pair<unsigned, unsigned>, unsigned>& map ) {
499	for ( const auto& entry : map ) {
500	const auto& key = entry.first;
501	std::cout << "\"" << name << "\"," << key.first << "," << key.second << ","
502	<< entry.second << std::endl;
503	}
504	}
505
506	public:
507	void print() {
508	for ( auto& stats : for_linkage ) {
509	total += stats;
510	}
511
512	std::cout << ",,\"intrinsic\",\"Cforall\",\"C\",\"autogen\",\"compiler\",\"builtinCFA\",\"builtinC\",\"other\",\"TOTAL\"" << std::endl;
513
514	printAllMap("n_type_params", [](const Stats& stats) { return stats.n_type_params; });
515	printAllMap("n_generic_params", [](const Stats& stats) { return stats.n_generic_params; });
516	printAllMap("n_generic_nesting", [](const Stats& stats) { return stats.n_generic_nesting; });
517	printAll("n_decls", [](const Stats& stats) { return stats.n_decls; });
518	printAll("unique_names", [](const Stats& stats) { return stats.by_name.size(); });
519	printAllSparseHisto("overloads", [](const Stats& stats) { return stats.by_name; });
520	printAll("basic_type_names", [](const Stats& stats) { return stats.basic_type_names.size(); });
521	printAllSparseHisto("basic_type_uses", [](const Stats& stats) { return stats.basic_type_names; });
522	printAllSparseHisto("decls_using_basic_type", [](const Stats& stats) { return stats.basic_type_decls; });
523	printAll("generic_type_names", [](const Stats& stats) { return stats.generic_type_names.size(); });
524	printAllSparseHisto("generic_type_uses", [](const Stats& stats) { return stats.generic_type_names; });
525	printAllSparseHisto("decls_using_generic_type", [](const Stats& stats) { return stats.generic_type_decls; });
526	printAll("compound_type_names", [](const Stats& stats) { return stats.compound_type_names.size(); });
527	printAllSparseHisto("compound_type_uses", [](const Stats& stats) { return stats.compound_type_names; });
528	printAllSparseHisto("decls_using_compound_type", [](const Stats& stats) { return stats.compound_type_decls; });
529	printAllPack("params", [](const Stats& stats) { return stats.params; });
530	printAllPack("returns", [](const Stats& stats) { return stats.returns; });
531	printAllMap("n_assns", [](const Stats& stats) { return stats.n_assns; });
532	printAllPack("assn_params", [](const Stats& stats) { return stats.assn_params; });
533	printAllPack("assn_returns", [](const Stats& stats) { return stats.assn_returns; });
534	std::cout << std::endl;
535
536	printPairMap("exprs_by_depth+fanout", exprs_by_fanout_at_depth);
537	}
538	};
539
540	void printDeclStats( std::list< Declaration * > &translationUnit ) {
541	PassVisitor<DeclStats> stats;
542	acceptAll( translationUnit, stats );
543	stats.pass.print();
544	}
545
546	} // namespace CodeTools
547
548	// Local Variables: //
549	// tab-width: 4 //
550	// mode: c++ //
551	// compile-command: "make install" //
552	// End: //

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