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clingwrapper.cxx
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1// Bindings
2#include "capi.h"
3#include "cpp_cppyy.h"
4#include "callcontext.h"
5
6// ROOT
7#include "TBaseClass.h"
8#include "TClass.h"
9#include "TClassRef.h"
10#include "TClassTable.h"
11#include "TClassEdit.h"
12#include "TCollection.h"
13#include "TDataMember.h"
14#include "TDataType.h"
15#include "TEnum.h"
16#include "TEnumConstant.h"
17#include "TEnv.h"
18#include "TError.h"
19#include "TException.h"
20#include "TFunction.h"
21#include "TFunctionTemplate.h"
22#include "TGlobal.h"
23#include "THashList.h"
24#include "TInterpreter.h"
25#include "TList.h"
26#include "TListOfDataMembers.h"
27#include "TListOfEnums.h"
28#include "TMethod.h"
29#include "TMethodArg.h"
30#include "TROOT.h"
31#include "TSystem.h"
32
33// Standard
34#include <assert.h>
35#include <algorithm> // for std::count, std::remove
36#include <climits>
37#include <stdexcept>
38#include <map>
39#include <new>
40#include <set>
41#include <sstream>
42#include <signal.h>
43#include <stdlib.h> // for getenv
44#include <string.h>
45#include <typeinfo>
46
47// temp
48#include <iostream>
50// --temp
51
52
53// small number that allows use of stack for argument passing
54const int SMALL_ARGS_N = 8;
55
56// convention to pass flag for direct calls (similar to Python's vector calls)
57#define DIRECT_CALL ((size_t)1 << (8 * sizeof(size_t) - 1))
58static inline size_t CALL_NARGS(size_t nargs) {
59 return nargs & ~DIRECT_CALL;
60}
61
62// data for life time management ---------------------------------------------
63typedef std::vector<TClassRef> ClassRefs_t;
65static const ClassRefs_t::size_type GLOBAL_HANDLE = 1;
66static const ClassRefs_t::size_type STD_HANDLE = GLOBAL_HANDLE + 1;
67
68typedef std::map<std::string, ClassRefs_t::size_type> Name2ClassRefIndex_t;
70
71namespace {
72
73static inline Cppyy::TCppType_t find_memoized(const std::string& name)
74{
75 auto icr = g_name2classrefidx.find(name);
76 if (icr != g_name2classrefidx.end())
77 return (Cppyy::TCppType_t)icr->second;
78 return (Cppyy::TCppType_t)0;
79}
80
81class CallWrapper {
82public:
83 typedef const void* DeclId_t;
84
85public:
86 CallWrapper(TFunction* f) : fDecl(f->GetDeclId()), fName(f->GetName()), fTF(nullptr) {}
87 CallWrapper(DeclId_t fid, const std::string& n) : fDecl(fid), fName(n), fTF(nullptr) {}
88 ~CallWrapper() {
89 if (fTF && fDecl == fTF->GetDeclId())
90 delete fTF;
91 }
92
93public:
95 DeclId_t fDecl;
96 std::string fName;
97 TFunction* fTF;
98};
99
100}
101
102static std::vector<CallWrapper*> gWrapperHolder;
103static inline CallWrapper* new_CallWrapper(TFunction* f)
104{
105 CallWrapper* wrap = new CallWrapper(f);
106 gWrapperHolder.push_back(wrap);
107 return wrap;
108}
109
110static inline CallWrapper* new_CallWrapper(CallWrapper::DeclId_t fid, const std::string& n)
111{
112 CallWrapper* wrap = new CallWrapper(fid, n);
113 gWrapperHolder.push_back(wrap);
114 return wrap;
115}
116
117typedef std::vector<TGlobal*> GlobalVars_t;
119
120static std::set<std::string> gSTLNames;
121
122
123// data ----------------------------------------------------------------------
125
126// builtin types (including a few common STL templates as long as they live in
127// the global namespace b/c of choices upstream)
128static std::set<std::string> g_builtins =
129 {"bool", "char", "signed char", "unsigned char", "wchar_t", "short", "unsigned short",
130 "int", "unsigned int", "long", "unsigned long", "long long", "unsigned long long",
131 "float", "double", "long double", "void",
132 "allocator", "array", "basic_string", "complex", "initializer_list", "less", "list",
133 "map", "pair", "set", "vector"};
134
135// smart pointer types
136static std::set<std::string> gSmartPtrTypes =
137 {"auto_ptr", "std::auto_ptr", "shared_ptr", "std::shared_ptr",
138 "unique_ptr", "std::unique_ptr", "weak_ptr", "std::weak_ptr"};
139
140// to filter out ROOT names
141static std::set<std::string> gInitialNames;
142static std::set<std::string> gRootSOs;
143
144// configuration
145static bool gEnableFastPath = true;
146
147
148// global initialization -----------------------------------------------------
149namespace {
150
151// names copied from TUnixSystem
152#ifdef WIN32
153const int SIGBUS = 0; // simple placeholders for ones that don't exist
154const int SIGSYS = 0;
155const int SIGPIPE = 0;
156const int SIGQUIT = 0;
157const int SIGWINCH = 0;
158const int SIGALRM = 0;
159const int SIGCHLD = 0;
160const int SIGURG = 0;
161const int SIGUSR1 = 0;
162const int SIGUSR2 = 0;
163#endif
164
165static struct Signalmap_t {
166 int fCode;
167 const char *fSigName;
168} gSignalMap[kMAXSIGNALS] = { // the order of the signals should be identical
169 { SIGBUS, "bus error" }, // to the one in TSysEvtHandler.h
170 { SIGSEGV, "segmentation violation" },
171 { SIGSYS, "bad argument to system call" },
172 { SIGPIPE, "write on a pipe with no one to read it" },
173 { SIGILL, "illegal instruction" },
174 { SIGABRT, "abort" },
175 { SIGQUIT, "quit" },
176 { SIGINT, "interrupt" },
177 { SIGWINCH, "window size change" },
178 { SIGALRM, "alarm clock" },
179 { SIGCHLD, "death of a child" },
180 { SIGURG, "urgent data arrived on an I/O channel" },
181 { SIGFPE, "floating point exception" },
182 { SIGTERM, "termination signal" },
183 { SIGUSR1, "user-defined signal 1" },
184 { SIGUSR2, "user-defined signal 2" }
185};
186
187static void inline do_trace(int sig) {
188 std::cerr << " *** Break *** " << (sig < kMAXSIGNALS ? gSignalMap[sig].fSigName : "") << std::endl;
190}
191
192class TExceptionHandlerImp : public TExceptionHandler {
193public:
194 void HandleException(Int_t sig) override {
195 if (TROOT::Initialized()) {
196 if (gException) {
197 gInterpreter->RewindDictionary();
198 gInterpreter->ClearFileBusy();
199 }
200
201 if (!getenv("CPPYY_CRASH_QUIET"))
202 do_trace(sig);
203
204 // jump back, if catch point set
205 Throw(sig);
206 }
207
208 do_trace(sig);
209 gSystem->Exit(128 + sig);
210 }
211};
212
213class ApplicationStarter {
214public:
215 ApplicationStarter() {
216 // initialize ROOT early to guarantee proper order of shutdown later on (gROOT is a
217 // macro that resolves to the ROOT::GetROOT() function call)
218 (void)gROOT;
219
220 // setup dummy holders for global and std namespaces
221 assert(g_classrefs.size() == GLOBAL_HANDLE);
223 g_classrefs.push_back(TClassRef(""));
224
225 // aliases for std (setup already in pythonify)
227 g_name2classrefidx["::std"] = g_name2classrefidx["std"];
228 g_classrefs.push_back(TClassRef("std"));
229
230 // add a dummy global to refer to as null at index 0
231 g_globalvars.push_back(nullptr);
232
233 // disable fast path if requested
234 if (getenv("CPPYY_DISABLE_FASTPATH")) gEnableFastPath = false;
235
236 // fill the set of STL names
237 const char* stl_names[] = {"allocator", "auto_ptr", "bad_alloc", "bad_cast",
238 "bad_exception", "bad_typeid", "basic_filebuf", "basic_fstream", "basic_ifstream",
239 "basic_ios", "basic_iostream", "basic_istream", "basic_istringstream",
240 "basic_ofstream", "basic_ostream", "basic_ostringstream", "basic_streambuf",
241 "basic_string", "basic_stringbuf", "basic_stringstream", "binary_function",
242 "binary_negate", "bitset", "byte", "char_traits", "codecvt_byname", "codecvt", "collate",
243 "collate_byname", "compare", "complex", "ctype_byname", "ctype", "default_delete",
244 "deque", "divides", "domain_error", "equal_to", "exception", "forward_list", "fpos",
245 "function", "greater_equal", "greater", "gslice_array", "gslice", "hash", "indirect_array",
246 "integer_sequence", "invalid_argument", "ios_base", "istream_iterator", "istreambuf_iterator",
247 "istrstream", "iterator_traits", "iterator", "length_error", "less_equal", "less",
248 "list", "locale", "localedef utility", "locale utility", "logic_error", "logical_and",
249 "logical_not", "logical_or", "map", "mask_array", "mem_fun", "mem_fun_ref", "messages",
250 "messages_byname", "minus", "modulus", "money_get", "money_put", "moneypunct",
251 "moneypunct_byname", "multimap", "multiplies", "multiset", "negate", "not_equal_to",
252 "num_get", "num_put", "numeric_limits", "numpunct", "numpunct_byname",
253 "ostream_iterator", "ostreambuf_iterator", "ostrstream", "out_of_range",
254 "overflow_error", "pair", "plus", "pointer_to_binary_function",
255 "pointer_to_unary_function", "priority_queue", "queue", "range_error",
256 "raw_storage_iterator", "reverse_iterator", "runtime_error", "set", "shared_ptr",
257 "slice_array", "slice", "stack", "string", "strstream", "strstreambuf",
258 "time_get_byname", "time_get", "time_put_byname", "time_put", "unary_function",
259 "unary_negate", "unique_ptr", "underflow_error", "unordered_map", "unordered_multimap",
260 "unordered_multiset", "unordered_set", "valarray", "vector", "weak_ptr", "wstring"};
261 for (auto& name : stl_names)
262 gSTLNames.insert(name);
263
264 // set opt level (default to 2 if not given; Cling itself defaults to 0)
265 int optLevel = 2;
266 if (getenv("CPPYY_OPT_LEVEL")) optLevel = atoi(getenv("CPPYY_OPT_LEVEL"));
267 if (optLevel != 0) {
268 std::ostringstream s;
269 s << "#pragma cling optimize " << optLevel;
270 gInterpreter->ProcessLine(s.str().c_str());
271 }
272
273 // load frequently used headers
274 const char* code =
275 "#include <iostream>\n"
276 "#include <string>\n"
277 "#include <DllImport.h>\n" // defines R__EXTERN
278 "#include <vector>\n"
279 "#include <utility>";
280 gInterpreter->ProcessLine(code);
281
282 // create helpers for comparing thingies
283 gInterpreter->Declare(
284 "namespace __cppyy_internal { template<class C1, class C2>"
285 " bool is_equal(const C1& c1, const C2& c2) { return (bool)(c1 == c2); } }");
286 gInterpreter->Declare(
287 "namespace __cppyy_internal { template<class C1, class C2>"
288 " bool is_not_equal(const C1& c1, const C2& c2) { return (bool)(c1 != c2); } }");
289
290 // retrieve all initial (ROOT) C++ names in the global scope to allow filtering later
291 if (!getenv("CPPYY_NO_ROOT_FILTER")) {
292 gROOT->GetListOfGlobals(true); // force initialize
293 gROOT->GetListOfGlobalFunctions(true); // id.
294 std::set<std::string> initial;
296 gInitialNames = initial;
297
298#ifndef WIN32
299 gRootSOs.insert("libCore.so ");
300 gRootSOs.insert("libRIO.so ");
301 gRootSOs.insert("libThread.so ");
302 gRootSOs.insert("libMathCore.so ");
303#else
304 gRootSOs.insert("libCore.dll ");
305 gRootSOs.insert("libRIO.dll ");
306 gRootSOs.insert("libThread.dll ");
307 gRootSOs.insert("libMathCore.dll ");
308#endif
309 }
310
311 // start off with a reasonable size placeholder for wrappers
312 gWrapperHolder.reserve(1024);
313
314 // create an exception handler to process signals
315 gExceptionHandler = new TExceptionHandlerImp{};
316 }
317
318 ~ApplicationStarter() {
319 for (auto wrap : gWrapperHolder)
320 delete wrap;
321 delete gExceptionHandler; gExceptionHandler = nullptr;
322 }
323} _applicationStarter;
324
325} // unnamed namespace
326
327
328// local helpers -------------------------------------------------------------
329static inline
331{
332 assert((ClassRefs_t::size_type)scope < g_classrefs.size());
333 return g_classrefs[(ClassRefs_t::size_type)scope];
334}
335
336static inline
338 CallWrapper* wrap = ((CallWrapper*)method);
339 if (!wrap->fTF || wrap->fTF->GetDeclId() != wrap->fDecl) {
340 MethodInfo_t* mi = gInterpreter->MethodInfo_Factory(wrap->fDecl);
341 wrap->fTF = new TFunction(mi);
342 }
343 return wrap->fTF;
344}
345
346static inline
347CallWrapper::DeclId_t m2d(Cppyy::TCppMethod_t method) {
348 CallWrapper* wrap = ((CallWrapper*)method);
349 if (!wrap->fTF || wrap->fTF->GetDeclId() != wrap->fDecl) {
350 MethodInfo_t* mi = gInterpreter->MethodInfo_Factory(wrap->fDecl);
351 wrap->fTF = new TFunction(mi);
352 }
353 return wrap->fDecl;
354}
355
356static inline
357char* cppstring_to_cstring(const std::string& cppstr)
358{
359 char* cstr = (char*)malloc(cppstr.size()+1);
360 memcpy(cstr, cppstr.c_str(), cppstr.size()+1);
361 return cstr;
362}
363
364static inline
365bool match_name(const std::string& tname, const std::string fname)
366{
367// either match exactly, or match the name as template
368 if (fname.rfind(tname, 0) == 0) {
369 if ((tname.size() == fname.size()) ||
370 (tname.size() < fname.size() && fname[tname.size()] == '<'))
371 return true;
372 }
373 return false;
374}
375
376static inline
377bool is_missclassified_stl(const std::string& name)
378{
379 std::string::size_type pos = name.find('<');
380 if (pos != std::string::npos)
381 return gSTLNames.find(name.substr(0, pos)) != gSTLNames.end();
382 return gSTLNames.find(name) != gSTLNames.end();
383}
384
385
386// direct interpreter access -------------------------------------------------
387bool Cppyy::Compile(const std::string& code, bool /*silent*/)
388{
389 return gInterpreter->Declare(code.c_str());
390}
391
393{
394 if (klass && obj && !IsNamespace((TCppScope_t)klass))
395 return gInterpreter->ToString(GetScopedFinalName(klass).c_str(), (void*)obj);
396 return "";
397}
398
399
400// name to opaque C++ scope representation -----------------------------------
401std::string Cppyy::ResolveName(const std::string& cppitem_name)
402{
403// Fully resolve the given name to the final type name.
404
405// try memoized type cache, in case seen before
406 TCppType_t klass = find_memoized(cppitem_name);
407 if (klass) return GetScopedFinalName(klass);
408
409// remove global scope '::' if present
410 std::string tclean = cppitem_name.compare(0, 2, "::") == 0 ?
411 cppitem_name.substr(2, std::string::npos) : cppitem_name;
412
413// classes (most common)
414 tclean = TClassEdit::CleanType(tclean.c_str());
415 if (tclean.empty() /* unknown, eg. an operator */) return cppitem_name;
416
417// reduce [N] to []
418 if (tclean[tclean.size()-1] == ']')
419 tclean = tclean.substr(0, tclean.rfind('[')) + "[]";
420
421 if (tclean.rfind("byte", 0) == 0 || tclean.rfind("std::byte", 0) == 0)
422 return tclean;
423
424// check data types list (accept only builtins as typedefs will
425// otherwise not be resolved)
426 TDataType* dt = gROOT->GetType(tclean.c_str());
427 if (dt && dt->GetType() != kOther_t) return dt->GetFullTypeName();
428
429// special case for enums
430 if (IsEnum(cppitem_name))
431 return ResolveEnum(cppitem_name);
432
433// special case for clang's builtin __type_pack_element (which does not resolve)
434 if (cppitem_name.rfind("__type_pack_element", 0) != std::string::npos) {
435 // shape is "__type_pack_element<index,type1,type2,...,typeN>cpd": extract
436 // first the index, and from there the indexed type; finally, restore the
437 // qualifiers
438 const char* str = cppitem_name.c_str();
439 char* endptr = nullptr;
440 unsigned long index = strtoul(str+20, &endptr, 0);
441
442 std::string tmplvars{endptr};
443 auto start = tmplvars.find(',') + 1;
444 auto end = tmplvars.find(',', start);
445 while (index != 0) {
446 start = end+1;
447 end = tmplvars.find(',', start);
448 if (end == std::string::npos) end = tmplvars.rfind('>');
449 --index;
450 }
451
452 std::string resolved = tmplvars.substr(start, end-start);
453 auto cpd = tmplvars.rfind('>');
454 if (cpd != std::string::npos && cpd+1 != tmplvars.size())
455 return resolved + tmplvars.substr(cpd+1, std::string::npos);
456 return resolved;
457 }
458
459// typedefs
460 return TClassEdit::ResolveTypedef(tclean.c_str(), true);
461}
462
463static std::map<std::string, std::string> resolved_enum_types;
464std::string Cppyy::ResolveEnum(const std::string& enum_type)
465{
466// The underlying type of a an enum may be any kind of integer.
467// Resolve that type via a workaround (note: this function assumes
468// that the enum_type name is a valid enum type name)
469 auto res = resolved_enum_types.find(enum_type);
470 if (res != resolved_enum_types.end())
471 return res->second;
472
473// desugar the type before resolving
474 std::string et_short = TClassEdit::ShortType(enum_type.c_str(), 1);
475 if (et_short.find("(unnamed") == std::string::npos) {
476 std::ostringstream decl;
477 // TODO: now presumed fixed with https://sft.its.cern.ch/jira/browse/ROOT-6988
478 for (auto& itype : {"unsigned int"}) {
479 decl << "std::is_same<"
480 << itype
481 << ", std::underlying_type<"
482 << et_short
483 << ">::type>::value;";
484 if (gInterpreter->ProcessLine(decl.str().c_str())) {
485 // TODO: "re-sugaring" like this is brittle, but the top
486 // should be re-translated into AST-based code anyway
487 std::string resugared;
488 if (et_short.size() != enum_type.size()) {
489 auto pos = enum_type.find(et_short);
490 if (pos != std::string::npos) {
491 resugared = enum_type.substr(0, pos) + itype;
492 if (pos+et_short.size() < enum_type.size())
493 resugared += enum_type.substr(pos+et_short.size(), std::string::npos);
494 }
495 }
496 if (resugared.empty()) resugared = itype;
497 resolved_enum_types[enum_type] = resugared;
498 return resugared;
499 }
500 }
501 }
502
503// failed or anonymous ... signal upstream to special case this
504 int ipos = (int)enum_type.size()-1;
505 for (; 0 <= ipos; --ipos) {
506 char c = enum_type[ipos];
507 if (isspace(c)) continue;
508 if (isalnum(c) || c == '_' || c == '>' || c == ')') break;
509 }
510 bool isConst = enum_type.find("const ", 6) != std::string::npos;
511 std::string restype = isConst ? "const " : "";
512 restype += "internal_enum_type_t"+enum_type.substr((std::string::size_type)ipos+1, std::string::npos);
513 resolved_enum_types[enum_type] = restype;
514 return restype; // should default to some int variant
515}
516
517Cppyy::TCppScope_t Cppyy::GetScope(const std::string& sname)
518{
519// First, try cache
520 TCppType_t result = find_memoized(sname);
521 if (result) return result;
522
523// Second, skip builtins before going through the more expensive steps of resolving
524// typedefs and looking up TClass
525 if (g_builtins.find(sname) != g_builtins.end())
526 return (TCppScope_t)0;
527
528// TODO: scope_name should always be final already?
529// Resolve name fully before lookup to make sure all aliases point to the same scope
530 std::string scope_name = ResolveName(sname);
531 bool bHasAlias = sname != scope_name;
532 if (bHasAlias) {
533 result = find_memoized(scope_name);
534 if (result) return result;
535 }
536
537// both failed, but may be STL name that's missing 'std::' now, but didn't before
538 bool b_scope_name_missclassified = is_missclassified_stl(scope_name);
539 if (b_scope_name_missclassified) {
540 result = find_memoized("std::"+scope_name);
541 if (result) g_name2classrefidx["std::"+scope_name] = (ClassRefs_t::size_type)result;
542 }
543 bool b_sname_missclassified = bHasAlias ? is_missclassified_stl(sname) : false;
544 if (b_sname_missclassified) {
545 if (!result) result = find_memoized("std::"+sname);
546 if (result) g_name2classrefidx["std::"+sname] = (ClassRefs_t::size_type)result;
547 }
548
549 if (result) return result;
550
551// use TClass directly, to enable auto-loading; class may be stubbed (eg. for
552// function returns) or forward declared, leading to a non-null TClass that is
553// otherwise invalid/unusable
554 TClassRef cr(TClass::GetClass(scope_name.c_str(), true /* load */, true /* silent */));
555 if (!cr.GetClass())
556 return (TCppScope_t)0;
557
558// memoize found/created TClass
559 ClassRefs_t::size_type sz = g_classrefs.size();
560 g_name2classrefidx[scope_name] = sz;
561 if (bHasAlias) g_name2classrefidx[sname] = sz;
562 g_classrefs.push_back(TClassRef(scope_name.c_str()));
563
564// TODO: make ROOT/meta NOT remove std :/
565 if (b_scope_name_missclassified)
566 g_name2classrefidx["std::"+scope_name] = sz;
567 if (b_sname_missclassified)
568 g_name2classrefidx["std::"+sname] = sz;
569
570 return (TCppScope_t)sz;
571}
572
573bool Cppyy::IsTemplate(const std::string& template_name)
574{
575 return (bool)gInterpreter->CheckClassTemplate(template_name.c_str());
576}
577
578namespace {
579 class AutoCastRTTI {
580 public:
581 virtual ~AutoCastRTTI() {}
582 };
583}
584
586{
587 TClassRef& cr = type_from_handle(klass);
588 if (!cr.GetClass() || !obj) return klass;
589
590#ifdef _WIN64
591// Cling does not provide a consistent ImageBase address for calculating relative addresses
592// as used in Windows 64b RTTI. So, check for our own RTTI extension instead. If that fails,
593// see whether the unmangled raw_name is available (e.g. if this is an MSVC compiled rather
594// than JITed class) and pass on if it is.
595 volatile const char* raw = nullptr; // to prevent too aggressive reordering
596 try {
597 // this will filter those objects that do not have RTTI to begin with (throws)
598 AutoCastRTTI* pcst = (AutoCastRTTI*)obj;
599 raw = typeid(*pcst).raw_name();
600
601 // check the signature id (0 == absolute, 1 == relative, 2 == ours)
602 void* vfptr = *(void**)((intptr_t)obj);
603 void* meta = (void*)((intptr_t)*((void**)((intptr_t)vfptr-sizeof(void*))));
604 if (*(intptr_t*)meta == 2) {
605 // access the extra data item which is an absolute pointer to the RTTI
606 void* ptdescr = (void*)((intptr_t)meta + 4*sizeof(unsigned long)+sizeof(void*));
607 if (ptdescr && *(void**)ptdescr) {
608 auto rtti = *(std::type_info**)ptdescr;
609 raw = rtti->raw_name();
610 if (raw && raw[0] != '\0') // likely unnecessary
611 return (TCppType_t)GetScope(rtti->name());
612 }
613
614 return klass; // do not fall through if no RTTI info available
615 }
616
617 // if the raw name is the empty string (no guarantees that this is so as truly, the
618 // address is corrupt, but it is common to be empty), then there is no accessible RTTI
619 // and getting the unmangled name will crash ...
620 if (!raw)
621 return klass;
622 } catch (std::bad_typeid) {
623 return klass; // can't risk passing to ROOT/meta as it may do RTTI
624 }
625#endif
626
627 TClass* clActual = cr->GetActualClass((void*)obj);
628 if (clActual && clActual != cr.GetClass()) {
629 auto itt = g_name2classrefidx.find(clActual->GetName());
630 if (itt != g_name2classrefidx.end())
631 return (TCppType_t)itt->second;
632 return (TCppType_t)GetScope(clActual->GetName());
633 }
634
635 return klass;
636}
637
639{
640 TClassRef& cr = type_from_handle(klass);
641 if (cr.GetClass() && cr->GetClassInfo())
642 return (size_t)gInterpreter->ClassInfo_Size(cr->GetClassInfo());
643 return (size_t)0;
644}
645
646size_t Cppyy::SizeOf(const std::string& type_name)
647{
648 TDataType* dt = gROOT->GetType(type_name.c_str());
649 if (dt) return dt->Size();
650 return SizeOf(GetScope(type_name));
651}
652
653bool Cppyy::IsBuiltin(const std::string& type_name)
654{
655 TDataType* dt = gROOT->GetType(TClassEdit::CleanType(type_name.c_str(), 1).c_str());
656 if (dt) return dt->GetType() != kOther_t;
657 return false;
658}
659
660bool Cppyy::IsComplete(const std::string& type_name)
661{
662// verify whether the dictionary of this class is fully available
663 bool b = false;
664
665 int oldEIL = gErrorIgnoreLevel;
666 gErrorIgnoreLevel = 3000;
667 TClass* klass = TClass::GetClass(TClassEdit::ShortType(type_name.c_str(), 1).c_str());
668 if (klass && klass->GetClassInfo()) // works for normal case w/ dict
669 b = gInterpreter->ClassInfo_IsLoaded(klass->GetClassInfo());
670 else { // special case for forward declared classes
671 ClassInfo_t* ci = gInterpreter->ClassInfo_Factory(type_name.c_str());
672 if (ci) {
673 b = gInterpreter->ClassInfo_IsLoaded(ci);
674 gInterpreter->ClassInfo_Delete(ci); // we own the fresh class info
675 }
676 }
677 gErrorIgnoreLevel = oldEIL;
678 return b;
679}
680
681// memory management ---------------------------------------------------------
683{
685 return (TCppObject_t)malloc(gInterpreter->ClassInfo_Size(cr->GetClassInfo()));
686}
687
689{
690 ::operator delete(instance);
691}
692
694{
696 if (arena)
697 return (TCppObject_t)cr->New(arena, TClass::kRealNew);
698 return (TCppObject_t)cr->New(TClass::kRealNew);
699}
700
701static std::map<Cppyy::TCppType_t, bool> sHasOperatorDelete;
703{
706 cr->Destructor((void*)instance);
707 else {
708 ROOT::DelFunc_t fdel = cr->GetDelete();
709 if (fdel) fdel((void*)instance);
710 else {
711 auto ib = sHasOperatorDelete.find(type);
712 if (ib == sHasOperatorDelete.end()) {
714 ib = sHasOperatorDelete.find(type);
715 }
716 ib->second ? cr->Destructor((void*)instance) : free((void*)instance);
717 }
718 }
719}
720
721
722// method/function dispatching -----------------------------------------------
724{
725// TODO: method should be a callfunc, so that no mapping would be needed.
726 CallWrapper* wrap = (CallWrapper*)method;
727
728 CallFunc_t* callf = gInterpreter->CallFunc_Factory();
729 MethodInfo_t* meth = gInterpreter->MethodInfo_Factory(wrap->fDecl);
730 gInterpreter->CallFunc_SetFunc(callf, meth);
731 gInterpreter->MethodInfo_Delete(meth);
732
733 if (!(callf && gInterpreter->CallFunc_IsValid(callf))) {
734 // TODO: propagate this error to caller w/o use of Python C-API
735 /*
736 PyErr_Format(PyExc_RuntimeError, "could not resolve %s::%s(%s)",
737 const_cast<TClassRef&>(klass).GetClassName(),
738 wrap.fName, callString.c_str()); */
739 std::cerr << "TODO: report unresolved function error to Python\n";
740 if (callf) gInterpreter->CallFunc_Delete(callf);
742 }
743
744// generate the wrapper and JIT it; ignore wrapper generation errors (will simply
745// result in a nullptr that is reported upstream if necessary; often, however,
746// there is a different overload available that will do)
747 auto oldErrLvl = gErrorIgnoreLevel;
749 wrap->fFaceptr = gInterpreter->CallFunc_IFacePtr(callf);
750 gErrorIgnoreLevel = oldErrLvl;
751
752 gInterpreter->CallFunc_Delete(callf); // does not touch IFacePtr
753 return wrap->fFaceptr;
754}
755
756static inline
757bool copy_args(Parameter* args, size_t nargs, void** vargs)
758{
759 bool runRelease = false;
760 for (size_t i = 0; i < nargs; ++i) {
761 switch (args[i].fTypeCode) {
762 case 'X': /* (void*)type& with free */
763 runRelease = true;
764 case 'V': /* (void*)type& */
765 vargs[i] = args[i].fValue.fVoidp;
766 break;
767 case 'r': /* const type& */
768 vargs[i] = args[i].fRef;
769 break;
770 default: /* all other types in union */
771 vargs[i] = (void*)&args[i].fValue.fVoidp;
772 break;
773 }
774 }
775 return runRelease;
776}
777
778static inline
779void release_args(Parameter* args, size_t nargs) {
780 for (size_t i = 0; i < nargs; ++i) {
781 if (args[i].fTypeCode == 'X')
782 free(args[i].fValue.fVoidp);
783 }
784}
785
786static inline bool WrapperCall(Cppyy::TCppMethod_t method, size_t nargs, void* args_, void* self, void* result)
787{
788 Parameter* args = (Parameter*)args_;
789 //bool is_direct = nargs & DIRECT_CALL;
790 nargs = CALL_NARGS(nargs);
791
792 CallWrapper* wrap = (CallWrapper*)method;
793 const TInterpreter::CallFuncIFacePtr_t& faceptr = wrap->fFaceptr.fGeneric ? wrap->fFaceptr : GetCallFunc(method);
794 if (!faceptr.fGeneric)
795 return false; // happens with compilation error
796
798 bool runRelease = false;
799 if (nargs <= SMALL_ARGS_N) {
800 void* smallbuf[SMALL_ARGS_N];
801 if (nargs) runRelease = copy_args(args, nargs, smallbuf);
802 faceptr.fGeneric(self, (int)nargs, smallbuf, result);
803 } else {
804 std::vector<void*> buf(nargs);
805 runRelease = copy_args(args, nargs, buf.data());
806 faceptr.fGeneric(self, (int)nargs, buf.data(), result);
807 }
808 if (runRelease) release_args(args, nargs);
809 return true;
810 }
811
813 bool runRelease = false;
814 if (nargs <= SMALL_ARGS_N) {
815 void* smallbuf[SMALL_ARGS_N];
816 if (nargs) runRelease = copy_args(args, nargs, (void**)smallbuf);
817 faceptr.fCtor((void**)smallbuf, result, (unsigned long)nargs);
818 } else {
819 std::vector<void*> buf(nargs);
820 runRelease = copy_args(args, nargs, buf.data());
821 faceptr.fCtor(buf.data(), result, (unsigned long)nargs);
822 }
823 if (runRelease) release_args(args, nargs);
824 return true;
825 }
826
828 std::cerr << " DESTRUCTOR NOT IMPLEMENTED YET! " << std::endl;
829 return false;
830 }
831
832 return false;
833}
834
835template<typename T>
836static inline
837T CallT(Cppyy::TCppMethod_t method, Cppyy::TCppObject_t self, size_t nargs, void* args)
838{
839 T t{};
840 if (WrapperCall(method, nargs, args, (void*)self, &t))
841 return t;
842 return (T)-1;
843}
844
845#define CPPYY_IMP_CALL(typecode, rtype) \
846rtype Cppyy::Call##typecode(TCppMethod_t method, TCppObject_t self, size_t nargs, void* args)\
847{ \
848 return CallT<rtype>(method, self, nargs, args); \
849}
850
851void Cppyy::CallV(TCppMethod_t method, TCppObject_t self, size_t nargs, void* args)
852{
853 if (!WrapperCall(method, nargs, args, (void*)self, nullptr))
854 return /* TODO ... report error */;
855}
856
857CPPYY_IMP_CALL(B, unsigned char)
864CPPYY_IMP_CALL(D, double )
866
867void* Cppyy::CallR(TCppMethod_t method, TCppObject_t self, size_t nargs, void* args)
868{
869 void* r = nullptr;
870 if (WrapperCall(method, nargs, args, (void*)self, &r))
871 return r;
872 return nullptr;
873}
874
876 TCppMethod_t method, TCppObject_t self, size_t nargs, void* args, size_t* length)
877{
878 char* cstr = nullptr;
879 TClassRef cr("std::string");
880 std::string* cppresult = (std::string*)malloc(sizeof(std::string));
881 if (WrapperCall(method, nargs, args, self, (void*)cppresult)) {
882 cstr = cppstring_to_cstring(*cppresult);
883 *length = cppresult->size();
884 cppresult->std::string::~basic_string();
885 } else
886 *length = 0;
887 free((void*)cppresult);
888 return cstr;
889}
890
892 TCppMethod_t method, TCppType_t /* klass */, size_t nargs, void* args)
893{
894 void* obj = nullptr;
895 if (WrapperCall(method, nargs, args, nullptr, &obj))
896 return (TCppObject_t)obj;
897 return (TCppObject_t)0;
898}
899
901{
903 cr->Destructor((void*)self, true);
904}
905
907 TCppObject_t self, size_t nargs, void* args, TCppType_t result_type)
908{
909 TClassRef& cr = type_from_handle(result_type);
910 void* obj = ::operator new(gInterpreter->ClassInfo_Size(cr->GetClassInfo()));
911 if (WrapperCall(method, nargs, args, self, obj))
912 return (TCppObject_t)obj;
913 ::operator delete(obj);
914 return (TCppObject_t)0;
915}
916
918{
919 if (check_enabled && !gEnableFastPath) return (TCppFuncAddr_t)nullptr;
920 TFunction* f = m2f(method);
921 TCppFuncAddr_t pf = gInterpreter->FindSym(f->GetMangledName());
922 if (pf) return pf;
923
924 int ierr = 0;
925 const char* fn = TClassEdit::DemangleName(f->GetMangledName(), ierr);
926 if (ierr || !fn)
927 return pf;
928
929 // TODO: the following attempts are all brittle and leak transactions, but
930 // each properly exposes the symbol so subsequent lookups will succeed
931 if (strstr(f->GetName(), "<")) {
932 // force explicit instantiation and try again
933 std::ostringstream sig;
934 sig << "template " << fn << ";";
935 gInterpreter->ProcessLine(sig.str().c_str());
936 } else {
937 std::string sfn(fn);
938 std::string addrstr;
939 addrstr.reserve(128);
940 addrstr.push_back('(');
941 addrstr.append(Cppyy::GetMethodResultType(method));
942 addrstr.append(" (");
943
944 if (gInterpreter->FunctionDeclId_IsMethod(m2d(method))) {
945 std::string::size_type colon = sfn.rfind("::");
946 if (colon != std::string::npos) addrstr.append(sfn.substr(0, colon+2));
947 }
948
949 addrstr.append("*)");
950 addrstr.append(Cppyy::GetMethodSignature(method, false));
951 addrstr.append(") &");
952
953 addrstr.append(sfn.substr(0, sfn.find('(')));
954
955 gInterpreter->Calc(addrstr.c_str());
956 }
957
958 return (TCppFuncAddr_t)gInterpreter->FindSym(f->GetMangledName());
959}
960
961
962// handling of function argument buffer --------------------------------------
964{
965 return new Parameter[nargs];
966}
967
969{
970 delete [] (Parameter*)args;
971}
972
974{
975 return sizeof(Parameter);
976}
977
979{
980 return offsetof(Parameter, fTypeCode);
981}
982
983
984// scope reflection information ----------------------------------------------
986{
987// Test if this scope represents a namespace.
988 if (scope == GLOBAL_HANDLE)
989 return true;
990 TClassRef& cr = type_from_handle(scope);
991 if (cr.GetClass())
992 return cr->Property() & kIsNamespace;
993 return false;
994}
995
997{
998// Test if this type may not be instantiated.
999 TClassRef& cr = type_from_handle(klass);
1000 if (cr.GetClass())
1001 return cr->Property() & kIsAbstract;
1002 return false;
1003}
1004
1005bool Cppyy::IsEnum(const std::string& type_name)
1006{
1007 if (type_name.empty()) return false;
1008 std::string tn_short = TClassEdit::ShortType(type_name.c_str(), 1);
1009 if (tn_short.empty()) return false;
1010 return gInterpreter->ClassInfo_IsEnum(tn_short.c_str());
1011}
1012
1014{
1015// Test if this type is an aggregate type
1016 TClassRef& cr = type_from_handle(klass);
1017 if (cr.GetClass())
1018 return cr->ClassProperty() & kClassIsAggregate;
1019 return false;
1020}
1021
1023{
1024// Test if this type has a default constructor or is a "plain old data" type
1026 if (cr.GetClass())
1027 return cr->HasDefaultConstructor() || (cr->ClassProperty() & kClassIsAggregate);
1028 return true;
1029}
1030
1031// helpers for stripping scope names
1032static
1033std::string outer_with_template(const std::string& name)
1034{
1035// Cut down to the outer-most scope from <name>, taking proper care of templates.
1036 int tpl_open = 0;
1037 for (std::string::size_type pos = 0; pos < name.size(); ++pos) {
1038 std::string::value_type c = name[pos];
1039
1040 // count '<' and '>' to be able to skip template contents
1041 if (c == '<')
1042 ++tpl_open;
1043 else if (c == '>')
1044 --tpl_open;
1045
1046 // collect name up to "::"
1047 else if (tpl_open == 0 && \
1048 c == ':' && pos+1 < name.size() && name[pos+1] == ':') {
1049 // found the extend of the scope ... done
1050 return name.substr(0, pos-1);
1051 }
1052 }
1053
1054// whole name is apparently a single scope
1055 return name;
1056}
1057
1058static
1059std::string outer_no_template(const std::string& name)
1060{
1061// Cut down to the outer-most scope from <name>, drop templates
1062 std::string::size_type first_scope = name.find(':');
1063 if (first_scope == std::string::npos)
1064 return name.substr(0, name.find('<'));
1065 std::string::size_type first_templ = name.find('<');
1066 if (first_templ == std::string::npos)
1067 return name.substr(0, first_scope);
1068 return name.substr(0, std::min(first_templ, first_scope));
1069}
1070
1071#define FILL_COLL(type, filter) { \
1072 TIter itr{coll}; \
1073 type* obj = nullptr; \
1074 while ((obj = (type*)itr.Next())) { \
1075 const char* nm = obj->GetName(); \
1076 if (nm && nm[0] != '_' && !(obj->Property() & (filter))) { \
1077 if (gInitialNames.find(nm) == gInitialNames.end()) \
1078 cppnames.insert(nm); \
1079 }}}
1080
1081static inline
1082void cond_add(Cppyy::TCppScope_t scope, const std::string& ns_scope,
1083 std::set<std::string>& cppnames, const char* name, bool nofilter = false)
1084{
1085 if (!name || name[0] == '_' || strstr(name, ".h") != 0 || strncmp(name, "operator", 8) == 0)
1086 return;
1087
1088 if (scope == GLOBAL_HANDLE) {
1089 std::string to_add = outer_no_template(name);
1090 if ((nofilter || gInitialNames.find(to_add) == gInitialNames.end()) && !is_missclassified_stl(name))
1091 cppnames.insert(outer_no_template(name));
1092 } else if (scope == STD_HANDLE) {
1093 if (strncmp(name, "std::", 5) == 0) {
1094 name += 5;
1095#ifdef __APPLE__
1096 if (strncmp(name, "__1::", 5) == 0) name += 5;
1097#endif
1098 } else if (!is_missclassified_stl(name))
1099 return;
1100 cppnames.insert(outer_no_template(name));
1101 } else {
1102 if (strncmp(name, ns_scope.c_str(), ns_scope.size()) == 0)
1103 cppnames.insert(outer_with_template(name + ns_scope.size()));
1104 }
1105}
1106
1107void Cppyy::GetAllCppNames(TCppScope_t scope, std::set<std::string>& cppnames)
1108{
1109// Collect all known names of C++ entities under scope. This is useful for IDEs
1110// employing tab-completion, for example. Note that functions names need not be
1111// unique as they can be overloaded.
1112 TClassRef& cr = type_from_handle(scope);
1113 if (scope != GLOBAL_HANDLE && !(cr.GetClass() && cr->Property()))
1114 return;
1115
1116 std::string ns_scope = GetFinalName(scope);
1117 if (scope != GLOBAL_HANDLE) ns_scope += "::";
1118
1119// add existing values from read rootmap files if within this scope
1120 TCollection* coll = gInterpreter->GetMapfile()->GetTable();
1121 {
1122 TIter itr{coll};
1123 TEnvRec* ev = nullptr;
1124 while ((ev = (TEnvRec*)itr.Next())) {
1125 // TEnv contains rootmap entries and user-side rootmap files may be already
1126 // loaded on startup. Thus, filter on file name rather than load time.
1127 if (gRootSOs.find(ev->GetValue()) == gRootSOs.end())
1128 cond_add(scope, ns_scope, cppnames, ev->GetName(), true);
1129 }
1130 }
1131
1132// do we care about the class table or are the rootmap and list of types enough?
1133/*
1134 gClassTable->Init();
1135 const int N = gClassTable->Classes();
1136 for (int i = 0; i < N; ++i)
1137 cond_add(scope, ns_scope, cppnames, gClassTable->Next());
1138*/
1139
1140// any other types (e.g. that may have come from parsing headers)
1141 coll = gROOT->GetListOfTypes();
1142 {
1143 TIter itr{coll};
1144 TDataType* dt = nullptr;
1145 while ((dt = (TDataType*)itr.Next())) {
1146 if (!(dt->Property() & kIsFundamental)) {
1147 cond_add(scope, ns_scope, cppnames, dt->GetName());
1148 }
1149 }
1150 }
1151
1152// add functions
1153 coll = (scope == GLOBAL_HANDLE) ?
1154 gROOT->GetListOfGlobalFunctions() : cr->GetListOfMethods();
1155 {
1156 TIter itr{coll};
1157 TFunction* obj = nullptr;
1158 while ((obj = (TFunction*)itr.Next())) {
1159 const char* nm = obj->GetName();
1160 // skip templated functions, adding only the un-instantiated ones
1161 if (nm && nm[0] != '_' && strstr(nm, "<") == 0 && strncmp(nm, "operator", 8) != 0) {
1162 if (gInitialNames.find(nm) == gInitialNames.end())
1163 cppnames.insert(nm);
1164 }
1165 }
1166 }
1167
1168// add uninstantiated templates
1169 coll = (scope == GLOBAL_HANDLE) ?
1170 gROOT->GetListOfFunctionTemplates() : cr->GetListOfFunctionTemplates();
1172
1173// add (global) data members
1174 if (scope == GLOBAL_HANDLE) {
1175 coll = gROOT->GetListOfGlobals();
1177 } else {
1178 coll = cr->GetListOfDataMembers();
1180 coll = cr->GetListOfUsingDataMembers();
1182 }
1183
1184// add enums values only for user classes/namespaces
1185 if (scope != GLOBAL_HANDLE && scope != STD_HANDLE) {
1186 coll = cr->GetListOfEnums();
1188 }
1189
1190#ifdef __APPLE__
1191// special case for Apple, add version namespace '__1' entries to std
1192 if (scope == STD_HANDLE)
1193 GetAllCppNames(GetScope("std::__1"), cppnames);
1194#endif
1195}
1196
1197
1198// class reflection information ----------------------------------------------
1199std::vector<Cppyy::TCppScope_t> Cppyy::GetUsingNamespaces(TCppScope_t scope)
1200{
1201 std::vector<Cppyy::TCppScope_t> res;
1202 if (!IsNamespace(scope))
1203 return res;
1204
1205#ifdef __APPLE__
1206 if (scope == STD_HANDLE) {
1207 res.push_back(GetScope("__1"));
1208 return res;
1209 }
1210#endif
1211
1212 TClassRef& cr = type_from_handle(scope);
1213 if (!cr.GetClass() || !cr->GetClassInfo())
1214 return res;
1215
1216 const std::vector<std::string>& v = gInterpreter->GetUsingNamespaces(cr->GetClassInfo());
1217 res.reserve(v.size());
1218 for (const auto& uid : v) {
1219 Cppyy::TCppScope_t uscope = GetScope(uid);
1220 if (uscope) res.push_back(uscope);
1221 }
1222
1223 return res;
1224}
1225
1226
1227// class reflection information ----------------------------------------------
1229{
1230 if (klass == GLOBAL_HANDLE)
1231 return "";
1232 TClassRef& cr = type_from_handle(klass);
1233 std::string clName = cr->GetName();
1234// TODO: why is this template splitting needed?
1235 std::string::size_type pos = clName.substr(0, clName.find('<')).rfind("::");
1236 if (pos != std::string::npos)
1237 return clName.substr(pos+2, std::string::npos);
1238 return clName;
1239}
1240
1242{
1243 if (klass == GLOBAL_HANDLE)
1244 return "";
1245 TClassRef& cr = type_from_handle(klass);
1246 if (cr.GetClass()) {
1247 std::string name = cr->GetName();
1249 return std::string("std::")+cr->GetName();
1250 return cr->GetName();
1251 }
1252 return "";
1253}
1254
1256{
1257 TClassRef& cr = type_from_handle(klass);
1258 if (!cr.GetClass())
1259 return false;
1260
1261 TFunction* f = cr->GetMethod(("~"+GetFinalName(klass)).c_str(), "");
1262 if (f && (f->Property() & kIsVirtual))
1263 return true;
1264
1265 return false;
1266}
1267
1269{
1270 int is_complex = 1;
1271 size_t nbases = 0;
1272
1273 TClassRef& cr = type_from_handle(klass);
1274 if (cr.GetClass() && cr->GetListOfBases() != 0)
1275 nbases = GetNumBases(klass);
1276
1277 if (1 < nbases)
1278 is_complex = 1;
1279 else if (nbases == 0)
1280 is_complex = 0;
1281 else { // one base class only
1282 TBaseClass* base = (TBaseClass*)cr->GetListOfBases()->At(0);
1283 if (base->Property() & kIsVirtualBase)
1284 is_complex = 1; // TODO: verify; can be complex, need not be.
1285 else
1286 is_complex = HasComplexHierarchy(GetScope(base->GetName()));
1287 }
1288
1289 return is_complex;
1290}
1291
1293{
1294// Get the total number of base classes that this class has.
1295 TClassRef& cr = type_from_handle(klass);
1296 if (cr.GetClass() && cr->GetListOfBases() != 0)
1297 return (TCppIndex_t)cr->GetListOfBases()->GetSize();
1298 return (TCppIndex_t)0;
1299}
1300
1301////////////////////////////////////////////////////////////////////////////////
1302/// \fn Cppyy::TCppIndex_t GetLongestInheritancePath(TClass *klass)
1303/// \brief Retrieve number of base classes in the longest branch of the
1304/// inheritance tree of the input class.
1305/// \param[in] klass The class to start the retrieval process from.
1306///
1307/// This is a helper function for Cppyy::GetNumBasesLongestBranch.
1308/// Given an inheritance tree, the function assigns weight 1 to each class that
1309/// has at least one base. Starting from the input class, the function is
1310/// called recursively on all the bases. For each base the return value is one
1311/// (the weight of the base itself) plus the maximum value retrieved for their
1312/// bases in turn. For example, given the following inheritance tree:
1313///
1314/// ~~~{.cpp}
1315/// class A {}; class B: public A {};
1316/// class X {}; class Y: public X {}; class Z: public Y {};
1317/// class C: public B, Z {};
1318/// ~~~
1319///
1320/// calling this function on an instance of `C` will return 3, the steps
1321/// required to go from C to X.
1323{
1324
1325 auto directbases = klass->GetListOfBases();
1326 if (!directbases) {
1327 // This is a leaf with no bases
1328 return 0;
1329 }
1330 auto ndirectbases = directbases->GetSize();
1331 if (ndirectbases == 0) {
1332 // This is a leaf with no bases
1333 return 0;
1334 } else {
1335 // If there is at least one direct base
1336 std::vector<Cppyy::TCppIndex_t> nbases_branches;
1337 nbases_branches.reserve(ndirectbases);
1338
1339 // Traverse all direct bases of the current class and call the function
1340 // recursively
1341 for (auto baseclass : TRangeDynCast<TBaseClass>(directbases)) {
1342 if (!baseclass)
1343 continue;
1344 if (auto baseclass_tclass = baseclass->GetClassPointer()) {
1345 nbases_branches.emplace_back(GetLongestInheritancePath(baseclass_tclass));
1346 }
1347 }
1348
1349 // Get longest path among the direct bases of the current class
1350 auto longestbranch = std::max_element(std::begin(nbases_branches), std::end(nbases_branches));
1351
1352 // Add 1 to include the current class in the count
1353 return 1 + *longestbranch;
1354 }
1355}
1356
1357////////////////////////////////////////////////////////////////////////////////
1358/// \fn Cppyy::TCppIndex_t Cppyy::GetNumBasesLongestBranch(TCppType_t klass)
1359/// \brief Retrieve number of base classes in the longest branch of the
1360/// inheritance tree.
1361/// \param[in] klass The class to start the retrieval process from.
1362///
1363/// The function converts the input class to a `TClass *` and calls
1364/// GetLongestInheritancePath.
1366{
1367
1368 const auto &cr = type_from_handle(klass);
1369
1370 if (auto klass_tclass = cr.GetClass()) {
1371 return GetLongestInheritancePath(klass_tclass);
1372 }
1373
1374 // In any other case, return zero
1375 return 0;
1376}
1377
1379{
1380 TClassRef& cr = type_from_handle(klass);
1381 return ((TBaseClass*)cr->GetListOfBases()->At((int)ibase))->GetName();
1382}
1383
1385{
1386 if (derived == base)
1387 return true;
1388 TClassRef& derived_type = type_from_handle(derived);
1389 TClassRef& base_type = type_from_handle(base);
1390 return derived_type->GetBaseClass(base_type) != 0;
1391}
1392
1394{
1395 TClassRef& cr = type_from_handle(klass);
1396 const std::string& tn = cr->GetName();
1397 if (gSmartPtrTypes.find(tn.substr(0, tn.find("<"))) != gSmartPtrTypes.end())
1398 return true;
1399 return false;
1400}
1401
1403 const std::string& tname, TCppType_t* raw, TCppMethod_t* deref)
1404{
1405 const std::string& rn = ResolveName(tname);
1406 if (gSmartPtrTypes.find(rn.substr(0, rn.find("<"))) != gSmartPtrTypes.end()) {
1407 if (!raw && !deref) return true;
1408
1409 TClassRef& cr = type_from_handle(GetScope(tname));
1410 if (cr.GetClass()) {
1411 TFunction* func = cr->GetMethod("operator->", "");
1412 if (!func) {
1413 gInterpreter->UpdateListOfMethods(cr.GetClass());
1414 func = cr->GetMethod("operator->", "");
1415 }
1416 if (func) {
1417 if (deref) *deref = (TCppMethod_t)new_CallWrapper(func);
1418 if (raw) *raw = GetScope(TClassEdit::ShortType(
1419 func->GetReturnTypeNormalizedName().c_str(), 1));
1420 return (!deref || *deref) && (!raw || *raw);
1421 }
1422 }
1423 }
1424
1425 return false;
1426}
1427
1428void Cppyy::AddSmartPtrType(const std::string& type_name)
1429{
1430 gSmartPtrTypes.insert(ResolveName(type_name));
1431}
1432
1433void Cppyy::AddTypeReducer(const std::string& /*reducable*/, const std::string& /*reduced*/)
1434{
1435 // This function is deliberately left empty, because it is not used in
1436 // PyROOT, and synchronizing it with cppyy-backend upstream would require
1437 // patches to ROOT meta.
1438}
1439
1440
1441// type offsets --------------------------------------------------------------
1443 TCppObject_t address, int direction, bool rerror)
1444{
1445// calculate offsets between declared and actual type, up-cast: direction > 0; down-cast: direction < 0
1446 if (derived == base || !(base && derived))
1447 return (ptrdiff_t)0;
1448
1449 TClassRef& cd = type_from_handle(derived);
1450 TClassRef& cb = type_from_handle(base);
1451
1452 if (!cd.GetClass() || !cb.GetClass())
1453 return (ptrdiff_t)0;
1454
1455 ptrdiff_t offset = -1;
1456 if (!(cd->GetClassInfo() && cb->GetClassInfo())) { // gInterpreter requirement
1457 // would like to warn, but can't quite determine error from intentional
1458 // hiding by developers, so only cover the case where we really should have
1459 // had a class info, but apparently don't:
1460 if (cd->IsLoaded()) {
1461 // warn to allow diagnostics
1462 std::ostringstream msg;
1463 msg << "failed offset calculation between " << cb->GetName() << " and " << cd->GetName();
1464 // TODO: propagate this warning to caller w/o use of Python C-API
1465 // PyErr_Warn(PyExc_RuntimeWarning, const_cast<char*>(msg.str().c_str()));
1466 std::cerr << "Warning: " << msg.str() << '\n';
1467 }
1468
1469 // return -1 to signal caller NOT to apply offset
1470 return rerror ? (ptrdiff_t)offset : 0;
1471 }
1472
1473 offset = gInterpreter->ClassInfo_GetBaseOffset(
1474 cd->GetClassInfo(), cb->GetClassInfo(), (void*)address, direction > 0);
1475 if (offset == -1) // Cling error, treat silently
1476 return rerror ? (ptrdiff_t)offset : 0;
1477
1478 return (ptrdiff_t)(direction < 0 ? -offset : offset);
1479}
1480
1481
1482// method/function reflection information ------------------------------------
1484{
1485 if (!accept_namespace && IsNamespace(scope))
1486 return (TCppIndex_t)0; // enforce lazy
1487
1488 if (scope == GLOBAL_HANDLE)
1489 return gROOT->GetListOfGlobalFunctions(true)->GetSize();
1490
1491 TClassRef& cr = type_from_handle(scope);
1492 if (cr.GetClass() && cr->GetListOfMethods(true)) {
1493 Cppyy::TCppIndex_t nMethods = (TCppIndex_t)cr->GetListOfMethods(false)->GetSize();
1494 if (nMethods == (TCppIndex_t)0) {
1495 std::string clName = GetScopedFinalName(scope);
1496 if (clName.find('<') != std::string::npos) {
1497 // chicken-and-egg problem: TClass does not know about methods until
1498 // instantiation, so force it
1499 std::ostringstream stmt;
1500 stmt << "template class " << clName << ";";
1501 gInterpreter->Declare(stmt.str().c_str()/*, silent = true*/);
1502
1503 // now reload the methods
1504 return (TCppIndex_t)cr->GetListOfMethods(true)->GetSize();
1505 }
1506 }
1507 return nMethods;
1508 }
1509
1510 return (TCppIndex_t)0; // unknown class?
1511}
1512
1513std::vector<Cppyy::TCppIndex_t> Cppyy::GetMethodIndicesFromName(
1514 TCppScope_t scope, const std::string& name)
1515{
1516 std::vector<TCppIndex_t> indices;
1517 TClassRef& cr = type_from_handle(scope);
1518 if (cr.GetClass()) {
1519 gInterpreter->UpdateListOfMethods(cr.GetClass());
1520 int imeth = 0;
1521 TFunction* func = nullptr;
1522 TIter next(cr->GetListOfMethods());
1523 while ((func = (TFunction*)next())) {
1524 if (match_name(name, func->GetName())) {
1525 if (func->Property() & kIsPublic)
1526 indices.push_back((TCppIndex_t)imeth);
1527 }
1528 ++imeth;
1529 }
1530 } else if (scope == GLOBAL_HANDLE) {
1531 TCollection* funcs = gROOT->GetListOfGlobalFunctions(true);
1532
1533 // tickle deserialization
1534 if (!funcs->FindObject(name.c_str()))
1535 return indices;
1536
1537 TFunction* func = nullptr;
1538 TIter ifunc(funcs);
1539 while ((func = (TFunction*)ifunc.Next())) {
1540 if (match_name(name, func->GetName()))
1541 indices.push_back((TCppIndex_t)new_CallWrapper(func));
1542 }
1543 }
1544
1545 return indices;
1546}
1547
1549{
1550 TClassRef& cr = type_from_handle(scope);
1551 if (cr.GetClass()) {
1552 TFunction* f = (TFunction*)cr->GetListOfMethods(false)->At((int)idx);
1553 if (f) return (Cppyy::TCppMethod_t)new_CallWrapper(f);
1554 return (Cppyy::TCppMethod_t)nullptr;
1555 }
1556
1557 assert(klass == (Cppyy::TCppType_t)GLOBAL_HANDLE);
1558 return (Cppyy::TCppMethod_t)idx;
1559}
1560
1562{
1563 if (method) {
1564 const std::string& name = ((CallWrapper*)method)->fName;
1565
1566 if (name.compare(0, 8, "operator") != 0)
1567 // strip template instantiation part, if any
1568 return name.substr(0, name.find('<'));
1569 return name;
1570 }
1571 return "<unknown>";
1572}
1573
1575{
1576 if (method) {
1577 std::string name = ((CallWrapper*)method)->fName;
1578 name.erase(std::remove(name.begin(), name.end(), ' '), name.end());
1579 return name;
1580 }
1581 return "<unknown>";
1582}
1583
1585{
1586 if (method)
1587 return m2f(method)->GetMangledName();
1588 return "<unknown>";
1589}
1590
1592{
1593 if (method) {
1594 TFunction* f = m2f(method);
1595 if (f->ExtraProperty() & kIsConstructor)
1596 return "constructor";
1597 std::string restype = f->GetReturnTypeName();
1598 // TODO: this is ugly, but we can't use GetReturnTypeName() for ostreams
1599 // and maybe others, whereas GetReturnTypeNormalizedName() has proven to
1600 // be save in all cases (Note: 'int8_t' covers 'int8_t' and 'uint8_t')
1601 if (restype.find("int8_t") != std::string::npos)
1602 return restype;
1603 restype = f->GetReturnTypeNormalizedName();
1604 if (restype == "(lambda)") {
1605 std::ostringstream s;
1606 // TODO: what if there are parameters to the lambda?
1607 s << "__cling_internal::FT<decltype("
1608 << GetMethodFullName(method) << "(";
1609 for (Cppyy::TCppIndex_t i = 0; i < Cppyy::GetMethodNumArgs(method); ++i) {
1610 if (i != 0) s << ", ";
1611 s << Cppyy::GetMethodArgType(method, i) << "{}";
1612 }
1613 s << "))>::F";
1614 TClass* cl = TClass::GetClass(s.str().c_str());
1615 if (cl) return cl->GetName();
1616 // TODO: signal some type of error (or should that be upstream?
1617 }
1618 return restype;
1619 }
1620 return "<unknown>";
1621}
1622
1624{
1625 if (method)
1626 return m2f(method)->GetNargs();
1627 return 0;
1628}
1629
1631{
1632 if (method) {
1633 TFunction* f = m2f(method);
1634 return (TCppIndex_t)(f->GetNargs() - f->GetNargsOpt());
1635 }
1636 return (TCppIndex_t)0;
1637}
1638
1640{
1641 if (method) {
1642 TFunction* f = m2f(method);
1643 TMethodArg* arg = (TMethodArg*)f->GetListOfMethodArgs()->At((int)iarg);
1644 return arg->GetName();
1645 }
1646 return "<unknown>";
1647}
1648
1650{
1651 if (method) {
1652 TFunction* f = m2f(method);
1653 TMethodArg* arg = (TMethodArg*)f->GetListOfMethodArgs()->At((int)iarg);
1654 return arg->GetTypeNormalizedName();
1655 }
1656 return "<unknown>";
1657}
1658
1660{
1661 if (method) {
1662 TFunction* f = m2f(method);
1663 TMethodArg* arg = (TMethodArg *)f->GetListOfMethodArgs()->At((int)iarg);
1664 void *argqtp = gInterpreter->TypeInfo_QualTypePtr(arg->GetTypeInfo());
1665
1666 TypeInfo_t *reqti = gInterpreter->TypeInfo_Factory(req_type.c_str());
1667 void *reqqtp = gInterpreter->TypeInfo_QualTypePtr(reqti);
1668
1669 // This scoring is not based on any particular rules
1670 if (gInterpreter->IsSameType(argqtp, reqqtp))
1671 return 0; // Best match
1672 else if ((gInterpreter->IsSignedIntegerType(argqtp) && gInterpreter->IsSignedIntegerType(reqqtp)) ||
1673 (gInterpreter->IsUnsignedIntegerType(argqtp) && gInterpreter->IsUnsignedIntegerType(reqqtp)) ||
1674 (gInterpreter->IsFloatingType(argqtp) && gInterpreter->IsFloatingType(reqqtp)))
1675 return 1;
1676 else if ((gInterpreter->IsSignedIntegerType(argqtp) && gInterpreter->IsUnsignedIntegerType(reqqtp)) ||
1677 (gInterpreter->IsFloatingType(argqtp) && gInterpreter->IsUnsignedIntegerType(reqqtp)))
1678 return 2;
1679 else if ((gInterpreter->IsIntegerType(argqtp) && gInterpreter->IsIntegerType(reqqtp)))
1680 return 3;
1681 else if ((gInterpreter->IsVoidPointerType(argqtp) && gInterpreter->IsPointerType(reqqtp)))
1682 return 4;
1683 else
1684 return 10; // Penalize heavily for no possible match
1685 }
1686 return INT_MAX; // Method is not valid
1687}
1688
1690{
1691 if (method) {
1692 TFunction* f = m2f(method);
1693 TMethodArg* arg = (TMethodArg*)f->GetListOfMethodArgs()->At((int)iarg);
1694 const char* def = arg->GetDefault();
1695 if (def)
1696 return def;
1697 }
1698
1699 return "";
1700}
1701
1702std::string Cppyy::GetMethodSignature(TCppMethod_t method, bool show_formalargs, TCppIndex_t maxargs)
1703{
1704 TFunction* f = m2f(method);
1705 if (f) {
1706 std::ostringstream sig;
1707 sig << "(";
1708 int nArgs = f->GetNargs();
1709 if (maxargs != (TCppIndex_t)-1) nArgs = std::min(nArgs, (int)maxargs);
1710 for (int iarg = 0; iarg < nArgs; ++iarg) {
1711 TMethodArg* arg = (TMethodArg*)f->GetListOfMethodArgs()->At(iarg);
1712 sig << arg->GetFullTypeName();
1713 if (show_formalargs) {
1714 const char* argname = arg->GetName();
1715 if (argname && argname[0] != '\0') sig << " " << argname;
1716 const char* defvalue = arg->GetDefault();
1717 if (defvalue && defvalue[0] != '\0') sig << " = " << defvalue;
1718 }
1719 if (iarg != nArgs-1) sig << (show_formalargs ? ", " : ",");
1720 }
1721 sig << ")";
1722 return sig.str();
1723 }
1724 return "<unknown>";
1725}
1726
1727std::string Cppyy::GetMethodPrototype(TCppScope_t scope, TCppMethod_t method, bool show_formalargs)
1728{
1729 std::string scName = GetScopedFinalName(scope);
1730 TFunction* f = m2f(method);
1731 if (f) {
1732 std::ostringstream sig;
1733 sig << f->GetReturnTypeName() << " "
1734 << scName << "::" << f->GetName();
1735 sig << GetMethodSignature(method, show_formalargs);
1736 return sig.str();
1737 }
1738 return "<unknown>";
1739}
1740
1742{
1743 if (method) {
1744 TFunction* f = m2f(method);
1745 return f->Property() & kIsConstMethod;
1746 }
1747 return false;
1748}
1749
1751{
1752 if (!accept_namespace && IsNamespace(scope))
1753 return (TCppIndex_t)0; // enforce lazy
1754
1755 if (scope == GLOBAL_HANDLE) {
1756 TCollection* coll = gROOT->GetListOfFunctionTemplates();
1757 if (coll) return (TCppIndex_t)coll->GetSize();
1758 } else {
1759 TClassRef& cr = type_from_handle(scope);
1760 if (cr.GetClass()) {
1761 TCollection* coll = cr->GetListOfFunctionTemplates(true);
1762 if (coll) return (TCppIndex_t)coll->GetSize();
1763 }
1764 }
1765
1766// failure ...
1767 return (TCppIndex_t)0;
1768}
1769
1771{
1772 if (scope == (TCppScope_t)GLOBAL_HANDLE)
1773 return ((THashList*)gROOT->GetListOfFunctionTemplates())->At((int)imeth)->GetName();
1774 else {
1775 TClassRef& cr = type_from_handle(scope);
1776 if (cr.GetClass())
1777 return cr->GetListOfFunctionTemplates(false)->At((int)imeth)->GetName();
1778 }
1779
1780// failure ...
1781 assert(!"should not be called unless GetNumTemplatedMethods() succeeded");
1782 return "";
1783}
1784
1786{
1787 if (scope == (TCppScope_t)GLOBAL_HANDLE)
1788 return false;
1789
1790 TClassRef& cr = type_from_handle(scope);
1791 if (cr.GetClass()) {
1793 return f->ExtraProperty() & kIsConstructor;
1794 }
1795
1796 return false;
1797}
1798
1799bool Cppyy::ExistsMethodTemplate(TCppScope_t scope, const std::string& name)
1800{
1801 if (scope == (TCppScope_t)GLOBAL_HANDLE)
1802 return (bool)gROOT->GetFunctionTemplate(name.c_str());
1803 else {
1804 TClassRef& cr = type_from_handle(scope);
1805 if (cr.GetClass())
1806 return (bool)cr->GetFunctionTemplate(name.c_str());
1807 }
1808
1809// failure ...
1810 return false;
1811}
1812
1814{
1815 TClassRef& cr = type_from_handle(scope);
1816 if (cr.GetClass()) {
1817 TFunction* f = (TFunction*)cr->GetListOfMethods(false)->At((int)idx);
1818 if (f && strstr(f->GetName(), "<")) return true;
1819 return false;
1820 }
1821
1822 assert(scope == (Cppyy::TCppType_t)GLOBAL_HANDLE);
1823 if (((CallWrapper*)idx)->fName.find('<') != std::string::npos) return true;
1824 return false;
1825}
1826
1827// helpers for Cppyy::GetMethodTemplate()
1828static std::map<TDictionary::DeclId_t, CallWrapper*> gMethodTemplates;
1829
1831 TCppScope_t scope, const std::string& name, const std::string& proto)
1832{
1833// There is currently no clean way of extracting a templated method out of ROOT/meta
1834// for a variety of reasons, none of them fundamental. The game played below is to
1835// first get any pre-existing functions already managed by ROOT/meta, but if that fails,
1836// to do an explicit lookup that ignores the prototype (i.e. the full name should be
1837// enough), and finally to ignore the template arguments part of the name as this fails
1838// in cling if there are default parameters.
1839// It would be possible to get the prototype from the created functions and use that to
1840// do a new lookup, after which ROOT/meta will manage the function. However, neither
1841// TFunction::GetPrototype() nor TFunction::GetSignature() is of the proper form, so
1842// we'll/ manage the new TFunctions instead and will assume that they are cached on the
1843// calling side to prevent multiple creations.
1844 TFunction* func = nullptr; ClassInfo_t* cl = nullptr;
1845 if (scope == (cppyy_scope_t)GLOBAL_HANDLE) {
1846 func = gROOT->GetGlobalFunctionWithPrototype(name.c_str(), proto.c_str());
1847 if (func && name.back() == '>' && name != func->GetName())
1848 func = nullptr; // happens if implicit conversion matches the overload
1849 } else {
1850 TClassRef& cr = type_from_handle(scope);
1851 if (cr.GetClass()) {
1852 func = cr->GetMethodWithPrototype(name.c_str(), proto.c_str());
1853 if (!func) {
1854 cl = cr->GetClassInfo();
1855 // try base classes to cover a common 'using' case (TODO: this is stupid and misses
1856 // out on base classes; fix that with improved access to Cling)
1857 TCppIndex_t nbases = GetNumBases(scope);
1858 for (TCppIndex_t i = 0; i < nbases; ++i) {
1859 TClassRef& base = type_from_handle(GetScope(GetBaseName(scope, i)));
1860 if (base.GetClass()) {
1861 func = base->GetMethodWithPrototype(name.c_str(), proto.c_str());
1862 if (func) break;
1863 }
1864 }
1865 }
1866 }
1867 }
1868
1869 if (!func && name.back() == '>' && (cl || scope == (cppyy_scope_t)GLOBAL_HANDLE)) {
1870 // try again, ignoring proto in case full name is complete template
1871 auto declid = gInterpreter->GetFunction(cl, name.c_str());
1872 if (declid) {
1873 auto existing = gMethodTemplates.find(declid);
1874 if (existing == gMethodTemplates.end()) {
1875 auto cw = new_CallWrapper(declid, name);
1876 existing = gMethodTemplates.insert(std::make_pair(declid, cw)).first;
1877 }
1878 return (TCppMethod_t)existing->second;
1879 }
1880 }
1881
1882 if (func) {
1883 // make sure we didn't match a non-templated overload
1884 if (func->ExtraProperty() & kIsTemplateSpec)
1885 return (TCppMethod_t)new_CallWrapper(func);
1886
1887 // disregard this non-templated method as it will be considered when appropriate
1888 return (TCppMethod_t)nullptr;
1889 }
1890
1891// try again with template arguments removed from name, if applicable
1892 if (name.back() == '>') {
1893 auto pos = name.find('<');
1894 if (pos != std::string::npos) {
1895 TCppMethod_t cppmeth = GetMethodTemplate(scope, name.substr(0, pos), proto);
1896 if (cppmeth) {
1897 // allow if requested template names match up to the result
1898 const std::string& alt = GetMethodFullName(cppmeth);
1899 if (name.size() < alt.size() && alt.find('<') == pos) {
1900 const std::string& partial = name.substr(pos, name.size()-1-pos);
1901 if (strncmp(partial.c_str(), alt.substr(pos, alt.size()-1-pos).c_str(), partial.size()) == 0)
1902 return cppmeth;
1903 }
1904 }
1905 }
1906 }
1907
1908// failure ...
1909 return (TCppMethod_t)nullptr;
1910}
1911
1912static inline
1913std::string type_remap(const std::string& n1, const std::string& n2)
1914{
1915// Operator lookups of (C++ string, Python str) should succeeded, for the combos of
1916// string/str, wstring/str, string/unicode and wstring/unicode; since C++ does not have a
1917// operator+(std::string, std::wstring), we'll have to look up the same type and rely on
1918// the converters in CPyCppyy/_cppyy.
1919 if (n1 == "str") {
1920 if (n2 == "std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >")
1921 return n2; // match like for like
1922 return "std::string"; // probably best bet
1923 } else if (n1 == "float")
1924 return "double"; // debatable, but probably intended
1925 return n1;
1926}
1927
1929 TCppType_t scope, const std::string& lc, const std::string& rc, const std::string& opname)
1930{
1931// Find a global operator function with a matching signature; prefer by-ref, but
1932// fall back on by-value if that fails.
1933 std::string lcname1 = TClassEdit::CleanType(lc.c_str());
1934 const std::string& rcname = rc.empty() ? rc : type_remap(TClassEdit::CleanType(rc.c_str()), lcname1);
1935 const std::string& lcname = type_remap(lcname1, rcname);
1936
1937 std::string proto = lcname + "&" + (rc.empty() ? rc : (", " + rcname + "&"));
1938 if (scope == (cppyy_scope_t)GLOBAL_HANDLE) {
1939 TFunction* func = gROOT->GetGlobalFunctionWithPrototype(opname.c_str(), proto.c_str());
1940 if (func) return (TCppIndex_t)new_CallWrapper(func);
1941 proto = lcname + (rc.empty() ? rc : (", " + rcname));
1942 func = gROOT->GetGlobalFunctionWithPrototype(opname.c_str(), proto.c_str());
1943 if (func) return (TCppIndex_t)new_CallWrapper(func);
1944 } else {
1945 TClassRef& cr = type_from_handle(scope);
1946 if (cr.GetClass()) {
1947 TFunction* func = cr->GetMethodWithPrototype(opname.c_str(), proto.c_str());
1948 if (func) return (TCppIndex_t)cr->GetListOfMethods()->IndexOf(func);
1949 proto = lcname + (rc.empty() ? rc : (", " + rcname));
1950 func = cr->GetMethodWithPrototype(opname.c_str(), proto.c_str());
1951 if (func) return (TCppIndex_t)cr->GetListOfMethods()->IndexOf(func);
1952 }
1953 }
1954
1955// failure ...
1956 return (TCppIndex_t)-1;
1957}
1958
1959// method properties ---------------------------------------------------------
1961{
1962 if (method) {
1963 TFunction* f = m2f(method);
1964 return f->Property() & kIsPublic;
1965 }
1966 return false;
1967}
1968
1970{
1971 if (method) {
1972 TFunction* f = m2f(method);
1973 return f->Property() & kIsProtected;
1974 }
1975 return false;
1976}
1977
1979{
1980 if (method) {
1981 TFunction* f = m2f(method);
1982 return f->ExtraProperty() & kIsConstructor;
1983 }
1984 return false;
1985}
1986
1988{
1989 if (method) {
1990 TFunction* f = m2f(method);
1991 return f->ExtraProperty() & kIsDestructor;
1992 }
1993 return false;
1994}
1995
1997{
1998 if (method) {
1999 TFunction* f = m2f(method);
2000 return f->Property() & kIsStatic;
2001 }
2002 return false;
2003}
2004
2005// data member reflection information ----------------------------------------
2007{
2008 if (!accept_namespace && IsNamespace(scope))
2009 return (TCppIndex_t)0; // enforce lazy
2010
2011 if (scope == GLOBAL_HANDLE)
2012 return gROOT->GetListOfGlobals(true)->GetSize();
2013
2014 TClassRef& cr = type_from_handle(scope);
2015 if (cr.GetClass() && cr->GetListOfDataMembers())
2016 return cr->GetListOfDataMembers()->GetSize();
2017
2018 return (TCppIndex_t)0; // unknown class?
2019}
2020
2022{
2023 if (!cr.GetClass() || !cr->GetListOfDataMembers())
2024 return nullptr;
2025
2026 int numDMs = cr->GetListOfDataMembers()->GetSize();
2027 if ((int)idata < numDMs)
2028 return (TDataMember*)cr->GetListOfDataMembers()->At((int)idata);
2029 return (TDataMember*)cr->GetListOfUsingDataMembers()->At((int)idata - numDMs);
2030}
2031
2033{
2034 TClassRef& cr = type_from_handle(scope);
2035 if (cr.GetClass()) {
2036 TDataMember *m = GetDataMemberByIndex(cr, (int)idata);
2037 return m->GetName();
2038 }
2039 assert(scope == GLOBAL_HANDLE);
2040 TGlobal* gbl = g_globalvars[idata];
2041 return gbl->GetName();
2042}
2043
2045{
2046 if (scope == GLOBAL_HANDLE) {
2047 TGlobal* gbl = g_globalvars[idata];
2048 std::string fullType = gbl->GetFullTypeName();
2049
2050 if ((int)gbl->GetArrayDim()) {
2051 std::ostringstream s;
2052 for (int i = 0; i < (int)gbl->GetArrayDim(); ++i)
2053 s << '[' << gbl->GetMaxIndex(i) << ']';
2054 fullType.append(s.str());
2055 }
2056 return fullType;
2057 }
2058
2059 TClassRef& cr = type_from_handle(scope);
2060 if (cr.GetClass()) {
2061 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2062 // TODO: fix this upstream. Usually, we want m->GetFullTypeName(), because it does
2063 // not resolve typedefs, but it looses scopes for inner classes/structs, so in that
2064 // case m->GetTrueTypeName() should be used (this also cleans up the cases where
2065 // the "full type" retains spurious "struct" or "union" in the name).
2066 std::string fullType = m->GetFullTypeName();
2067 if (fullType != m->GetTrueTypeName()) {
2068 const std::string& trueName = m->GetTrueTypeName();
2069 if (fullType.find("::") == std::string::npos && trueName.find("::") != std::string::npos)
2070 fullType = trueName;
2071 }
2072
2073 if ((int)m->GetArrayDim()) {
2074 std::ostringstream s;
2075 for (int i = 0; i < (int)m->GetArrayDim(); ++i)
2076 s << '[' << m->GetMaxIndex(i) << ']';
2077 fullType.append(s.str());
2078 }
2079 return fullType;
2080 }
2081
2082 return "<unknown>";
2083}
2084
2086{
2087 if (scope == GLOBAL_HANDLE) {
2088 TGlobal* gbl = g_globalvars[idata];
2089 if (!gbl->GetAddress() || gbl->GetAddress() == (void*)-1) {
2090 // CLING WORKAROUND: make sure variable is loaded
2091 intptr_t addr = (intptr_t)gInterpreter->ProcessLine((std::string("&")+gbl->GetName()+";").c_str());
2092 if (gbl->GetAddress() && gbl->GetAddress() != (void*)-1)
2093 return (intptr_t)gbl->GetAddress(); // now loaded!
2094 return addr; // last resort ...
2095 }
2096 return (intptr_t)gbl->GetAddress();
2097 }
2098
2099 TClassRef& cr = type_from_handle(scope);
2100 if (cr.GetClass()) {
2101 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2102 // CLING WORKAROUND: the following causes templates to be instantiated first within the proper
2103 // scope, making the lookup succeed and preventing spurious duplicate instantiations later. Also,
2104 // if the variable is not yet loaded, pull it in through gInterpreter.
2105 if (m->Property() & kIsStatic) {
2106 if (strchr(cr->GetName(), '<'))
2107 gInterpreter->ProcessLine(((std::string)cr->GetName()+"::"+m->GetName()+";").c_str());
2108 if ((intptr_t)m->GetOffsetCint() == (intptr_t)-1)
2109 return (intptr_t)gInterpreter->ProcessLine((std::string("&")+cr->GetName()+"::"+m->GetName()+";").c_str());
2110 }
2111 return (intptr_t)m->GetOffsetCint(); // yes, CINT (GetOffset() is both wrong
2112 // and caches that wrong result!
2113 }
2114
2115 return (intptr_t)-1;
2116}
2117
2119{
2120 if (scope == GLOBAL_HANDLE) {
2121 TGlobal* gb = (TGlobal*)gROOT->GetListOfGlobals(false /* load */)->FindObject(name.c_str());
2122 if (!gb) gb = (TGlobal*)gROOT->GetListOfGlobals(true /* load */)->FindObject(name.c_str());
2123 if (!gb) {
2124 // some enums are not loaded as they are not considered part of
2125 // the global scope, but of the enum scope; get them w/o checking
2126 TDictionary::DeclId_t did = gInterpreter->GetDataMember(nullptr, name.c_str());
2127 if (did) {
2128 DataMemberInfo_t* t = gInterpreter->DataMemberInfo_Factory(did, nullptr);
2129 ((TListOfDataMembers*)gROOT->GetListOfGlobals())->Get(t, true);
2130 gb = (TGlobal*)gROOT->GetListOfGlobals(false /* load */)->FindObject(name.c_str());
2131 }
2132 }
2133
2134 if (gb && strcmp(gb->GetFullTypeName(), "(lambda)") == 0) {
2135 // lambdas use a compiler internal closure type, so we wrap
2136 // them, then return the wrapper's type
2137 // TODO: this current leaks the std::function; also, if possible,
2138 // should instantiate through TClass rather then ProcessLine
2139 std::ostringstream s;
2140 s << "auto __cppyy_internal_wrap_" << name << " = "
2141 "new __cling_internal::FT<decltype(" << name << ")>::F"
2142 "{" << name << "};";
2143 gInterpreter->ProcessLine(s.str().c_str());
2144 TGlobal* wrap = (TGlobal*)gROOT->GetListOfGlobals(true)->FindObject(
2145 ("__cppyy_internal_wrap_"+name).c_str());
2146 if (wrap && wrap->GetAddress()) gb = wrap;
2147 }
2148
2149 if (gb) {
2150 // TODO: do we ever need a reverse lookup?
2151 g_globalvars.push_back(gb);
2152 return TCppIndex_t(g_globalvars.size() - 1);
2153 }
2154
2155 } else {
2156 TClassRef& cr = type_from_handle(scope);
2157 if (cr.GetClass()) {
2158 TDataMember* dm =
2160 // TODO: turning this into an index is silly ...
2161 if (dm) return (TCppIndex_t)cr->GetListOfDataMembers()->IndexOf(dm);
2163 if (dm)
2164 return (TCppIndex_t)cr->GetListOfDataMembers()->IndexOf(dm)
2165 + cr->GetListOfDataMembers()->GetSize();
2166 }
2167 }
2168
2169 return (TCppIndex_t)-1;
2170}
2171
2172
2173// data member properties ----------------------------------------------------
2175{
2176 if (scope == GLOBAL_HANDLE)
2177 return true;
2178 TClassRef& cr = type_from_handle(scope);
2179 if (cr->Property() & kIsNamespace)
2180 return true;
2181 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2182 return m->Property() & kIsPublic;
2183}
2184
2186{
2187 if (scope == GLOBAL_HANDLE)
2188 return true;
2189 TClassRef& cr = type_from_handle(scope);
2190 if (cr->Property() & kIsNamespace)
2191 return true;
2192 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2193 return m->Property() & kIsProtected;
2194}
2195
2197{
2198 if (scope == GLOBAL_HANDLE)
2199 return true;
2200 TClassRef& cr = type_from_handle(scope);
2201 if (cr->Property() & kIsNamespace)
2202 return true;
2203 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2204 return m->Property() & kIsStatic;
2205}
2206
2208{
2209 if (scope == GLOBAL_HANDLE) {
2210 TGlobal* gbl = g_globalvars[idata];
2211 return gbl->Property() & kIsConstant;
2212 }
2213 TClassRef& cr = type_from_handle(scope);
2214 if (cr.GetClass()) {
2215 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2216 return m->Property() & kIsConstant;
2217 }
2218 return false;
2219}
2220
2222{
2223// TODO: currently, ROOT/meta does not properly distinguish between variables of enum
2224// type, and values of enums. The latter are supposed to be const. This code relies on
2225// odd features (bugs?) to figure out the difference, but this should really be fixed
2226// upstream and/or deserves a new API.
2227
2228 if (scope == GLOBAL_HANDLE) {
2229 TGlobal* gbl = g_globalvars[idata];
2230
2231 // make use of an oddity: enum global variables do not have their kIsStatic bit
2232 // set, whereas enum global values do
2233 return (gbl->Property() & kIsEnum) && (gbl->Property() & kIsStatic);
2234 }
2235
2236 TClassRef& cr = type_from_handle(scope);
2237 if (cr.GetClass()) {
2238 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2239 std::string ti = m->GetTypeName();
2240
2241 // can't check anonymous enums by type name, so just accept them as enums
2242 if (ti.rfind("(unnamed)") != std::string::npos)
2243 return m->Property() & kIsEnum;
2244
2245 // since there seems to be no distinction between data of enum type and enum values,
2246 // check the list of constants for the type to see if there's a match
2247 if (ti.rfind(cr->GetName(), 0) != std::string::npos) {
2248 std::string::size_type s = strlen(cr->GetName())+2;
2249 if (s < ti.size()) {
2250 TEnum* ee = ((TListOfEnums*)cr->GetListOfEnums())->GetObject(ti.substr(s, std::string::npos).c_str());
2251 if (ee) return ee->GetConstant(m->GetName());
2252 }
2253 }
2254 }
2255
2256// this default return only means that the data will be writable, not that it will
2257// be unreadable or otherwise misrepresented
2258 return false;
2259}
2260
2261int Cppyy::GetDimensionSize(TCppScope_t scope, TCppIndex_t idata, int dimension)
2262{
2263 if (scope == GLOBAL_HANDLE) {
2264 TGlobal* gbl = g_globalvars[idata];
2265 return gbl->GetMaxIndex(dimension);
2266 }
2267 TClassRef& cr = type_from_handle(scope);
2268 if (cr.GetClass()) {
2269 TDataMember* m = GetDataMemberByIndex(cr, (int)idata);
2270 return m->GetMaxIndex(dimension);
2271 }
2272 return -1;
2273}
2274
2275
2276// enum properties -----------------------------------------------------------
2277Cppyy::TCppEnum_t Cppyy::GetEnum(TCppScope_t scope, const std::string& enum_name)
2278{
2279 if (scope == GLOBAL_HANDLE)
2280 return (TCppEnum_t)gROOT->GetListOfEnums(kTRUE)->FindObject(enum_name.c_str());
2281
2282 TClassRef& cr = type_from_handle(scope);
2283 if (cr.GetClass())
2284 return (TCppEnum_t)cr->GetListOfEnums(kTRUE)->FindObject(enum_name.c_str());
2285
2286 return (TCppEnum_t)0;
2287}
2288
2290{
2291 return (TCppIndex_t)((TEnum*)etype)->GetConstants()->GetSize();
2292}
2293
2295{
2296 return ((TEnumConstant*)((TEnum*)etype)->GetConstants()->At(idata))->GetName();
2297}
2298
2300{
2301 TEnumConstant* ecst = (TEnumConstant*)((TEnum*)etype)->GetConstants()->At(idata);
2302 return (long long)ecst->GetValue();
2303}
2304
2305
2306//- C-linkage wrappers -------------------------------------------------------
2307
2308extern "C" {
2309/* direct interpreter access ---------------------------------------------- */
2310int cppyy_compile(const char* code) {
2311 return Cppyy::Compile(code);
2312}
2313
2314
2315/* name to opaque C++ scope representation -------------------------------- */
2316char* cppyy_resolve_name(const char* cppitem_name) {
2317 return cppstring_to_cstring(Cppyy::ResolveName(cppitem_name));
2318}
2319
2320char* cppyy_resolve_enum(const char* enum_type) {
2321 return cppstring_to_cstring(Cppyy::ResolveEnum(enum_type));
2322}
2323
2324cppyy_scope_t cppyy_get_scope(const char* scope_name) {
2325 return cppyy_scope_t(Cppyy::GetScope(scope_name));
2326}
2327
2329 return cppyy_type_t(Cppyy::GetActualClass(klass, (void*)obj));
2330}
2331
2333 return Cppyy::SizeOf(klass);
2334}
2335
2336size_t cppyy_size_of_type(const char* type_name) {
2337 return Cppyy::SizeOf(type_name);
2338}
2339
2340
2341/* memory management ------------------------------------------------------ */
2344}
2345
2347 Cppyy::Deallocate(type, (void*)self);
2348}
2349
2352}
2353
2355 Cppyy::Destruct(type, (void*)self);
2356}
2357
2358
2359/* method/function dispatching -------------------------------------------- */
2360/* Exception types:
2361 1: default (unknown exception)
2362 2: standard exception
2363*/
2364#define CPPYY_HANDLE_EXCEPTION \
2365 catch (std::exception& e) { \
2366 cppyy_exctype_t* etype = (cppyy_exctype_t*)((Parameter*)args+nargs); \
2367 *etype = (cppyy_exctype_t)2; \
2368 *((char**)(etype+1)) = cppstring_to_cstring(e.what()); \
2369 } \
2370 catch (...) { \
2371 cppyy_exctype_t* etype = (cppyy_exctype_t*)((Parameter*)args+nargs); \
2372 *etype = (cppyy_exctype_t)1; \
2373 *((char**)(etype+1)) = \
2374 cppstring_to_cstring("unhandled, unknown C++ exception"); \
2375 }
2376
2377void cppyy_call_v(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2378 try {
2379 Cppyy::CallV(method, (void*)self, nargs, args);
2381}
2382
2383unsigned char cppyy_call_b(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2384 try {
2385 return (unsigned char)Cppyy::CallB(method, (void*)self, nargs, args);
2387 return (unsigned char)-1;
2388}
2389
2390char cppyy_call_c(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2391 try {
2392 return (char)Cppyy::CallC(method, (void*)self, nargs, args);
2394 return (char)-1;
2395}
2396
2397short cppyy_call_h(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2398 try {
2399 return (short)Cppyy::CallH(method, (void*)self, nargs, args);
2401 return (short)-1;
2402}
2403
2404int cppyy_call_i(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2405 try {
2406 return (int)Cppyy::CallI(method, (void*)self, nargs, args);
2408 return (int)-1;
2409}
2410
2411long cppyy_call_l(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2412 try {
2413 return (long)Cppyy::CallL(method, (void*)self, nargs, args);
2415 return (long)-1;
2416}
2417
2418long long cppyy_call_ll(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2419 try {
2420 return (long long)Cppyy::CallLL(method, (void*)self, nargs, args);
2422 return (long long)-1;
2423}
2424
2425float cppyy_call_f(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2426 try {
2427 return (float)Cppyy::CallF(method, (void*)self, nargs, args);
2429 return (float)-1;
2430}
2431
2432double cppyy_call_d(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2433 try {
2434 return (double)Cppyy::CallD(method, (void*)self, nargs, args);
2436 return (double)-1;
2437}
2438
2439long double cppyy_call_ld(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2440 try {
2441 return (long double)Cppyy::CallLD(method, (void*)self, nargs, args);
2443 return (long double)-1;
2444}
2445
2446double cppyy_call_nld(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2447 return (double)cppyy_call_ld(method, self, nargs, args);
2448}
2449
2450void* cppyy_call_r(cppyy_method_t method, cppyy_object_t self, int nargs, void* args) {
2451 try {
2452 return (void*)Cppyy::CallR(method, (void*)self, nargs, args);
2454 return (void*)nullptr;
2455}
2456
2458 cppyy_method_t method, cppyy_object_t self, int nargs, void* args, size_t* lsz) {
2459 try {
2460 return Cppyy::CallS(method, (void*)self, nargs, args, lsz);
2462 return (char*)nullptr;
2463}
2464
2466 cppyy_method_t method, cppyy_type_t klass, int nargs, void* args) {
2467 try {
2468 return cppyy_object_t(Cppyy::CallConstructor(method, klass, nargs, args));
2470 return (cppyy_object_t)0;
2471}
2472
2474 Cppyy::CallDestructor(klass, self);
2475}
2476
2478 int nargs, void* args, cppyy_type_t result_type) {
2479 try {
2480 return cppyy_object_t(Cppyy::CallO(method, (void*)self, nargs, args, result_type));
2482 return (cppyy_object_t)0;
2483}
2484
2486 return cppyy_funcaddr_t(Cppyy::GetFunctionAddress(method, true));
2487}
2488
2489
2490/* handling of function argument buffer ----------------------------------- */
2492// for calls through C interface, require extra space for reporting exceptions
2493 return malloc(nargs*sizeof(Parameter)+sizeof(cppyy_exctype_t)+sizeof(char**));
2494}
2495
2497 free(args);
2498}
2499
2501 return (size_t)Cppyy::GetFunctionArgSizeof();
2502}
2503
2505 return (size_t)Cppyy::GetFunctionArgTypeoffset();
2506}
2507
2508
2509/* scope reflection information ------------------------------------------- */
2511 return (int)Cppyy::IsNamespace(scope);
2512}
2513
2514int cppyy_is_template(const char* template_name) {
2515 return (int)Cppyy::IsTemplate(template_name);
2516}
2517
2519 return (int)Cppyy::IsAbstract(type);
2520}
2521
2522int cppyy_is_enum(const char* type_name) {
2523 return (int)Cppyy::IsEnum(type_name);
2524}
2525
2527 return (int)Cppyy::IsAggregate(type);
2528}
2529
2530const char** cppyy_get_all_cpp_names(cppyy_scope_t scope, size_t* count) {
2531 std::set<std::string> cppnames;
2532 Cppyy::GetAllCppNames(scope, cppnames);
2533 const char** c_cppnames = (const char**)malloc(cppnames.size()*sizeof(const char*));
2534 int i = 0;
2535 for (const auto& name : cppnames) {
2536 c_cppnames[i] = cppstring_to_cstring(name);
2537 ++i;
2538 }
2539 *count = cppnames.size();
2540 return c_cppnames;
2541}
2542
2543
2544/* namespace reflection information --------------------------------------- */
2546 const std::vector<Cppyy::TCppScope_t>& uv = Cppyy::GetUsingNamespaces((Cppyy::TCppScope_t)scope);
2547
2548 if (uv.empty())
2549 return (cppyy_index_t*)nullptr;
2550
2551 cppyy_scope_t* llresult = (cppyy_scope_t*)malloc(sizeof(cppyy_scope_t)*(uv.size()+1));
2552 for (int i = 0; i < (int)uv.size(); ++i) llresult[i] = uv[i];
2553 llresult[uv.size()] = (cppyy_scope_t)0;
2554 return llresult;
2555}
2556
2557
2558/* class reflection information ------------------------------------------- */
2561}
2562
2565}
2566
2568 return (int)Cppyy::HasVirtualDestructor(type);
2569}
2570
2572 return (int)Cppyy::HasComplexHierarchy(type);
2573}
2574
2576 return (int)Cppyy::GetNumBases(type);
2577}
2578
2581}
2582
2583char* cppyy_base_name(cppyy_type_t type, int base_index) {
2584 return cppstring_to_cstring(Cppyy::GetBaseName (type, base_index));
2585}
2586
2588 return (int)Cppyy::IsSubtype(derived, base);
2589}
2590
2592 return (int)Cppyy::IsSmartPtr(type);
2593}
2594
2595int cppyy_smartptr_info(const char* name, cppyy_type_t* raw, cppyy_method_t* deref) {
2596 return (int)Cppyy::GetSmartPtrInfo(name, raw, deref);
2597}
2598
2599void cppyy_add_smartptr_type(const char* type_name) {
2600 Cppyy::AddSmartPtrType(type_name);
2601}
2602
2603
2604/* calculate offsets between declared and actual type, up-cast: direction > 0; down-cast: direction < 0 */
2605ptrdiff_t cppyy_base_offset(cppyy_type_t derived, cppyy_type_t base, cppyy_object_t address, int direction) {
2606 return (ptrdiff_t)Cppyy::GetBaseOffset(derived, base, (void*)address, direction, 0);
2607}
2608
2609
2610/* method/function reflection information --------------------------------- */
2612 return (int)Cppyy::GetNumMethods(scope);
2613}
2614
2616{
2617 std::vector<cppyy_index_t> result = Cppyy::GetMethodIndicesFromName(scope, name);
2618
2619 if (result.empty())
2620 return (cppyy_index_t*)nullptr;
2621
2622 cppyy_index_t* llresult = (cppyy_index_t*)malloc(sizeof(cppyy_index_t)*(result.size()+1));
2623 for (int i = 0; i < (int)result.size(); ++i) llresult[i] = result[i];
2624 llresult[result.size()] = -1;
2625 return llresult;
2626}
2627
2629 return cppyy_method_t(Cppyy::GetMethod(scope, idx));
2630}
2631
2634}
2635
2638}
2639
2642}
2643
2646}
2647
2649 return (int)Cppyy::GetMethodNumArgs((Cppyy::TCppMethod_t)method);
2650}
2651
2653 return (int)Cppyy::GetMethodReqArgs((Cppyy::TCppMethod_t)method);
2654}
2655
2656char* cppyy_method_arg_name(cppyy_method_t method, int arg_index) {
2658}
2659
2660char* cppyy_method_arg_type(cppyy_method_t method, int arg_index) {
2662}
2663
2664char* cppyy_method_arg_default(cppyy_method_t method, int arg_index) {
2666}
2667
2668char* cppyy_method_signature(cppyy_method_t method, int show_formalargs) {
2669 return cppstring_to_cstring(Cppyy::GetMethodSignature((Cppyy::TCppMethod_t)method, (bool)show_formalargs));
2670}
2671
2672char* cppyy_method_signature_max(cppyy_method_t method, int show_formalargs, int maxargs) {
2673 return cppstring_to_cstring(Cppyy::GetMethodSignature((Cppyy::TCppMethod_t)method, (bool)show_formalargs, (Cppyy::TCppIndex_t)maxargs));
2674}
2675
2676char* cppyy_method_prototype(cppyy_scope_t scope, cppyy_method_t method, int show_formalargs) {
2678 (Cppyy::TCppScope_t)scope, (Cppyy::TCppMethod_t)method, (bool)show_formalargs));
2679}
2680
2682 return (int)Cppyy::IsConstMethod(method);
2683}
2684
2686 return (int)Cppyy::GetNumTemplatedMethods(scope);
2687}
2688
2691}
2692
2695}
2696
2698 return (int)Cppyy::ExistsMethodTemplate(scope, name);
2699}
2700
2702 return (int)Cppyy::IsMethodTemplate(scope, idx);
2703}
2704
2707}
2708
2711}
2712
2713
2714/* method properties ------------------------------------------------------ */
2716 return (int)Cppyy::IsPublicMethod((Cppyy::TCppMethod_t)method);
2717}
2718
2720 return (int)Cppyy::IsProtectedMethod((Cppyy::TCppMethod_t)method);
2721}
2722
2724 return (int)Cppyy::IsConstructor((Cppyy::TCppMethod_t)method);
2725}
2726
2728 return (int)Cppyy::IsDestructor((Cppyy::TCppMethod_t)method);
2729}
2730
2732 return (int)Cppyy::IsStaticMethod((Cppyy::TCppMethod_t)method);
2733}
2734
2735
2736/* data member reflection information ------------------------------------- */
2738 return (int)Cppyy::GetNumDatamembers(scope);
2739}
2740
2741char* cppyy_datamember_name(cppyy_scope_t scope, int datamember_index) {
2742 return cppstring_to_cstring(Cppyy::GetDatamemberName(scope, datamember_index));
2743}
2744
2745char* cppyy_datamember_type(cppyy_scope_t scope, int datamember_index) {
2746 return cppstring_to_cstring(Cppyy::GetDatamemberType(scope, datamember_index));
2747}
2748
2749intptr_t cppyy_datamember_offset(cppyy_scope_t scope, int datamember_index) {
2750 return intptr_t(Cppyy::GetDatamemberOffset(scope, datamember_index));
2751}
2752
2754 return (int)Cppyy::GetDatamemberIndex(scope, name);
2755}
2756
2757
2758
2759/* data member properties ------------------------------------------------- */
2761 return (int)Cppyy::IsPublicData(type, datamember_index);
2762}
2763
2765 return (int)Cppyy::IsProtectedData(type, datamember_index);
2766}
2767
2769 return (int)Cppyy::IsStaticData(type, datamember_index);
2770}
2771
2773 return (int)Cppyy::IsConstData(scope, idata);
2774}
2775
2777 return (int)Cppyy::IsEnumData(scope, idata);
2778}
2779
2780int cppyy_get_dimension_size(cppyy_scope_t scope, cppyy_index_t idata, int dimension) {
2781 return Cppyy::GetDimensionSize(scope, idata, dimension);
2782}
2783
2784
2785/* misc helpers ----------------------------------------------------------- */
2787void* cppyy_load_dictionary(const char* lib_name) {
2788 int result = gSystem->Load(lib_name);
2789 return (void*)(result == 0 /* success */ || result == 1 /* already loaded */);
2790}
2791
2792#if defined(_MSC_VER)
2793long long cppyy_strtoll(const char* str) {
2794 return _strtoi64(str, NULL, 0);
2795}
2796
2797extern "C" {
2798unsigned long long cppyy_strtoull(const char* str) {
2799 return _strtoui64(str, NULL, 0);
2800}
2801}
2802#else
2803long long cppyy_strtoll(const char* str) {
2804 return strtoll(str, NULL, 0);
2805}
2806
2807extern "C" {
2808unsigned long long cppyy_strtoull(const char* str) {
2809 return strtoull(str, NULL, 0);
2810}
2811}
2812#endif
2813
2814void cppyy_free(void* ptr) {
2815 free(ptr);
2816}
2817
2818cppyy_object_t cppyy_charp2stdstring(const char* str, size_t sz) {
2819 return (cppyy_object_t)new std::string(str, sz);
2820}
2821
2822const char* cppyy_stdstring2charp(cppyy_object_t ptr, size_t* lsz) {
2823 *lsz = ((std::string*)ptr)->size();
2824 return ((std::string*)ptr)->data();
2825}
2826
2828 return (cppyy_object_t)new std::string(*(std::string*)ptr);
2829}
2830
2832 return (double)*(long double*)p;
2833}
2834
2835void cppyy_double2longdouble(double d, void* p) {
2836 *(long double*)p = d;
2837}
2838
2840 return (int)(*(std::vector<bool>*)ptr)[idx];
2841}
2842
2844 (*(std::vector<bool>*)ptr)[idx] = (bool)value;
2845}
2846
2847} // end C-linkage wrappers
#define d(i)
Definition RSha256.hxx:102
#define b(i)
Definition RSha256.hxx:100
#define f(i)
Definition RSha256.hxx:104
#define c(i)
Definition RSha256.hxx:101
static Roo_reg_AGKInteg1D instance
int Int_t
Definition RtypesCore.h:45
long double LongDouble_t
Definition RtypesCore.h:61
long long Long64_t
Definition RtypesCore.h:80
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
@ kMAXSIGNALS
Definition Rtypes.h:59
@ kOther_t
Definition TDataType.h:32
@ kIsDestructor
@ kIsTemplateSpec
@ kIsConstructor
@ kClassIsAggregate
@ kClassHasExplicitDtor
@ kClassHasImplicitDtor
@ kIsPublic
Definition TDictionary.h:75
@ kIsConstant
Definition TDictionary.h:88
@ kIsConstMethod
Definition TDictionary.h:96
@ kIsEnum
Definition TDictionary.h:68
@ kIsPrivate
Definition TDictionary.h:77
@ kIsFundamental
Definition TDictionary.h:70
@ kIsAbstract
Definition TDictionary.h:71
@ kIsStatic
Definition TDictionary.h:80
@ kIsProtected
Definition TDictionary.h:76
@ kIsVirtual
Definition TDictionary.h:72
@ kIsNamespace
Definition TDictionary.h:95
@ kIsVirtualBase
Definition TDictionary.h:89
constexpr Int_t kFatal
Definition TError.h:50
Int_t gErrorIgnoreLevel
Error handling routines.
Definition TError.cxx:31
R__EXTERN TExceptionHandler * gExceptionHandler
Definition TException.h:79
R__EXTERN ExceptionContext_t * gException
Definition TException.h:69
R__EXTERN void Throw(int code)
If an exception context has been set (using the TRY and RETRY macros) jump back to where it was set.
winID h TVirtualViewer3D TVirtualGLPainter p
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h offset
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void data
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t r
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t result
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t index
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h length
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void value
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h req_type
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void funcs
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h Atom_t Int_t ULong_t ULong_t unsigned char prop_list Atom_t Atom_t Atom_t Time_t type
char name[80]
Definition TGX11.cxx:110
#define gInterpreter
#define gROOT
Definition TROOT.h:407
R__EXTERN TSystem * gSystem
Definition TSystem.h:555
static struct Signalmap_t gSignalMap[kMAXSIGNALS]
size_t cppyy_scope_t
Definition capi.h:12
cppyy_scope_t cppyy_type_t
Definition capi.h:13
intptr_t cppyy_method_t
Definition capi.h:15
size_t cppyy_index_t
Definition capi.h:17
void * cppyy_object_t
Definition capi.h:14
unsigned long cppyy_exctype_t
Definition capi.h:20
void * cppyy_funcaddr_t
Definition capi.h:18
const char * proto
Definition civetweb.c:17536
#define free
Definition civetweb.c:1539
#define malloc
Definition civetweb.c:1536
Each class (see TClass) has a linked list of its base class(es).
Definition TBaseClass.h:33
Long_t Property() const override
Get property description word. For meaning of bits see EProperty.
TClassRef is used to implement a permanent reference to a TClass object.
Definition TClassRef.h:28
TClass * GetClass() const
Definition TClassRef.h:66
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition TClass.h:81
TList * GetListOfUsingDataMembers(Bool_t load=kTRUE)
Return list containing the TDataMembers of using declarations of a class.
Definition TClass.cxx:3786
void * New(ENewType defConstructor=kClassNew, Bool_t quiet=kFALSE) const
Return a pointer to a newly allocated object of this class.
Definition TClass.cxx:4978
TMethod * GetMethod(const char *method, const char *params, Bool_t objectIsConst=kFALSE)
Find the best method (if there is one) matching the parameters.
Definition TClass.cxx:4411
TMethod * GetMethodWithPrototype(const char *method, const char *proto, Bool_t objectIsConst=kFALSE, ROOT::EFunctionMatchMode mode=ROOT::kConversionMatch)
Find the method with a given prototype.
Definition TClass.cxx:4456
const TList * GetListOfAllPublicMethods(Bool_t load=kTRUE)
Returns a list of all public methods of this class and its base classes.
Definition TClass.cxx:3845
void Destructor(void *obj, Bool_t dtorOnly=kFALSE)
Explicitly call destructor for object.
Definition TClass.cxx:5400
TList * GetListOfFunctionTemplates(Bool_t load=kTRUE)
Return TListOfFunctionTemplates for a class.
Definition TClass.cxx:3798
TList * GetListOfEnums(Bool_t load=kTRUE)
Return a list containing the TEnums of a class.
Definition TClass.cxx:3686
TList * GetListOfMethods(Bool_t load=kTRUE)
Return list containing the TMethods of a class.
Definition TClass.cxx:3812
TClass * GetBaseClass(const char *classname)
Return pointer to the base class "classname".
Definition TClass.cxx:2655
TList * GetListOfDataMembers(Bool_t load=kTRUE)
Return list containing the TDataMembers of a class.
Definition TClass.cxx:3770
@ kRealNew
Definition TClass.h:107
TList * GetListOfBases()
Return list containing the TBaseClass(es) of a class.
Definition TClass.cxx:3636
Bool_t IsLoaded() const
Return true if the shared library of this class is currently in the a process's memory.
Definition TClass.cxx:5912
ClassInfo_t * GetClassInfo() const
Definition TClass.h:433
Long_t ClassProperty() const
Return the C++ property of this class, eg.
Definition TClass.cxx:2396
Long_t Property() const override
Returns the properties of the TClass as a bit field stored as a Long_t value.
Definition TClass.cxx:6086
Bool_t HasDefaultConstructor(Bool_t testio=kFALSE) const
Return true if we have access to a constructor usable for I/O.
Definition TClass.cxx:7393
ROOT::DelFunc_t GetDelete() const
Return the wrapper around delete ThiObject.
Definition TClass.cxx:7463
TClass * GetActualClass(const void *object) const
Return a pointer to the real class of the object.
Definition TClass.cxx:2607
TFunctionTemplate * GetFunctionTemplate(const char *name)
Definition TClass.cxx:3607
static TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE)
Static method returning pointer to TClass of the specified class name.
Definition TClass.cxx:2968
Collection abstract base class.
Definition TCollection.h:65
virtual Int_t GetSize() const
Return the capacity of the collection, i.e.
All ROOT classes may have RTTI (run time type identification) support added.
Definition TDataMember.h:31
Basic data type descriptor (datatype information is obtained from CINT).
Definition TDataType.h:44
Int_t GetType() const
Definition TDataType.h:68
const char * GetFullTypeName() const
Get full type description of typedef, e,g.: "class TDirectory*".
Long_t Property() const override
Get property description word. For meaning of bits see EProperty.
Int_t Size() const
Get size of basic typedef'ed type.
const void * DeclId_t
The TEnumConstant class implements the constants of the enum type.
Long64_t GetValue() const
The TEnum class implements the enum type.
Definition TEnum.h:33
const TEnumConstant * GetConstant(const char *name) const
Definition TEnum.h:64
Definition TEnv.h:86
const char * GetValue() const
Definition TEnv.h:110
const char * GetName() const override
Returns name of object.
Definition TEnv.h:109
virtual void HandleException(int sig)=0
Dictionary for function template This class describes one single function template.
Global functions class (global functions are obtained from CINT).
Definition TFunction.h:30
virtual const char * GetMangledName() const
Returns the mangled name as defined by CINT, or 0 in case of error.
Long_t Property() const override
Get property description word. For meaning of bits see EProperty.
Int_t GetNargs() const
Number of function arguments.
Long_t ExtraProperty() const
Get property description word. For meaning of bits see EProperty.
std::string GetReturnTypeNormalizedName() const
Get the normalized name of the return type.
Global variables class (global variables are obtained from CINT).
Definition TGlobal.h:28
virtual Int_t GetArrayDim() const
Return number of array dimensions.
Definition TGlobal.cxx:89
virtual Int_t GetMaxIndex(Int_t dim) const
Return maximum index for array dimension "dim".
Definition TGlobal.cxx:105
Long_t Property() const override
Get property description word. For meaning of bits see EProperty.
Definition TGlobal.cxx:152
virtual void * GetAddress() const
Return address of global.
Definition TGlobal.cxx:81
virtual const char * GetFullTypeName() const
Get full type description of global variable, e,g.: "class TDirectory*".
Definition TGlobal.cxx:124
THashList implements a hybrid collection class consisting of a hash table and a list to store TObject...
Definition THashList.h:34
TObject * Next()
A collection of TDataMember objects designed for fast access given a DeclId_t and for keep track of T...
A collection of TEnum objects designed for fast access given a DeclId_t and for keep track of TEnum t...
TObject * FindObject(const char *name) const override
Find an object in this list using its name.
Definition TList.cxx:576
TObject * At(Int_t idx) const override
Returns the object at position idx. Returns 0 if idx is out of range.
Definition TList.cxx:355
Each ROOT method (see TMethod) has a linked list of its arguments.
Definition TMethodArg.h:36
const char * GetFullTypeName() const
Get full type description of method argument, e.g.: "class TDirectory*".
TypeInfo_t * GetTypeInfo() const
Get the TypeInfo of the method argument.
const char * GetDefault() const
Get default value of method argument.
std::string GetTypeNormalizedName() const
Get the normalized name of the return type.
const char * GetName() const override
Returns name of object.
Definition TNamed.h:47
virtual const char * GetName() const
Returns name of object.
Definition TObject.cxx:439
virtual TObject * FindObject(const char *name) const
Must be redefined in derived classes.
Definition TObject.cxx:403
static Bool_t Initialized()
Return kTRUE if the TROOT object has been initialized.
Definition TROOT.cxx:2892
virtual Int_t IndexOf(const TObject *obj) const
Return index of object in collection.
virtual int Load(const char *module, const char *entry="", Bool_t system=kFALSE)
Load a shared library.
Definition TSystem.cxx:1857
virtual void Exit(int code, Bool_t mode=kTRUE)
Exit the application.
Definition TSystem.cxx:716
virtual void StackTrace()
Print a stack trace.
Definition TSystem.cxx:734
char * cppyy_method_mangled_name(cppyy_method_t method)
int cppyy_is_staticdata(cppyy_type_t type, cppyy_index_t datamember_index)
int cppyy_vectorbool_getitem(cppyy_object_t ptr, int idx)
int cppyy_has_virtual_destructor(cppyy_type_t type)
int cppyy_is_publicmethod(cppyy_method_t method)
void * cppyy_call_r(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
cppyy_object_t cppyy_constructor(cppyy_method_t method, cppyy_type_t klass, int nargs, void *args)
void * cppyy_load_dictionary(const char *lib_name)
static void cond_add(Cppyy::TCppScope_t scope, const std::string &ns_scope, std::set< std::string > &cppnames, const char *name, bool nofilter=false)
size_t cppyy_function_arg_typeoffset()
int cppyy_exists_method_template(cppyy_scope_t scope, const char *name)
int cppyy_get_num_templated_methods(cppyy_scope_t scope)
char * cppyy_call_s(cppyy_method_t method, cppyy_object_t self, int nargs, void *args, size_t *lsz)
char * cppyy_resolve_enum(const char *enum_type)
cppyy_object_t cppyy_charp2stdstring(const char *str, size_t sz)
static Name2ClassRefIndex_t g_name2classrefidx
int cppyy_is_constructor(cppyy_method_t method)
int cppyy_is_enum_data(cppyy_scope_t scope, cppyy_index_t idata)
#define FILL_COLL(type, filter)
char * cppyy_scoped_final_name(cppyy_type_t type)
int cppyy_num_bases(cppyy_type_t type)
const int SMALL_ARGS_N
static std::string outer_with_template(const std::string &name)
cppyy_method_t cppyy_get_method_template(cppyy_scope_t scope, const char *name, const char *proto)
static std::string outer_no_template(const std::string &name)
int cppyy_is_smartptr(cppyy_type_t type)
static std::string type_remap(const std::string &n1, const std::string &n2)
static std::map< Cppyy::TCppType_t, bool > sHasOperatorDelete
long long cppyy_strtoll(const char *str)
static std::set< std::string > gRootSOs
int cppyy_is_subtype(cppyy_type_t derived, cppyy_type_t base)
static TClassRef & type_from_handle(Cppyy::TCppScope_t scope)
double cppyy_call_nld(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
void cppyy_free(void *ptr)
int cppyy_smartptr_info(const char *name, cppyy_type_t *raw, cppyy_method_t *deref)
unsigned long long cppyy_strtoull(const char *str)
char * cppyy_method_arg_type(cppyy_method_t method, int arg_index)
cppyy_object_t cppyy_stdstring2stdstring(cppyy_object_t ptr)
char * cppyy_base_name(cppyy_type_t type, int base_index)
cppyy_scope_t * cppyy_get_using_namespaces(cppyy_scope_t scope)
static bool copy_args(Parameter *args, size_t nargs, void **vargs)
int cppyy_num_bases_longest_branch(cppyy_type_t type)
static TInterpreter::CallFuncIFacePtr_t GetCallFunc(Cppyy::TCppMethod_t method)
int cppyy_is_publicdata(cppyy_type_t type, cppyy_index_t datamember_index)
CPyCppyy::Parameter Parameter
intptr_t cppyy_datamember_offset(cppyy_scope_t scope, int datamember_index)
char * cppyy_datamember_type(cppyy_scope_t scope, int datamember_index)
static bool is_missclassified_stl(const std::string &name)
std::map< std::string, ClassRefs_t::size_type > Name2ClassRefIndex_t
void cppyy_destructor(cppyy_type_t klass, cppyy_object_t self)
static const ClassRefs_t::size_type STD_HANDLE
char cppyy_call_c(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
ptrdiff_t cppyy_base_offset(cppyy_type_t derived, cppyy_type_t base, cppyy_object_t address, int direction)
long double cppyy_call_ld(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
int cppyy_is_const_data(cppyy_scope_t scope, cppyy_index_t idata)
const char ** cppyy_get_all_cpp_names(cppyy_scope_t scope, size_t *count)
void cppyy_call_v(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
static std::set< std::string > gSmartPtrTypes
double cppyy_longdouble2double(void *p)
int cppyy_method_req_args(cppyy_method_t method)
int cppyy_is_staticmethod(cppyy_method_t method)
static GlobalVars_t g_globalvars
cppyy_index_t * cppyy_method_indices_from_name(cppyy_scope_t scope, const char *name)
static char * cppstring_to_cstring(const std::string &cppstr)
char * cppyy_method_signature(cppyy_method_t method, int show_formalargs)
int cppyy_is_abstract(cppyy_type_t type)
static void release_args(Parameter *args, size_t nargs)
int cppyy_call_i(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
static std::set< std::string > g_builtins
unsigned char cppyy_call_b(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
int cppyy_is_template(const char *template_name)
char * cppyy_method_result_type(cppyy_method_t method)
cppyy_type_t cppyy_actual_class(cppyy_type_t klass, cppyy_object_t obj)
int cppyy_is_templated_constructor(cppyy_scope_t scope, cppyy_index_t imeth)
char * cppyy_method_name(cppyy_method_t method)
int cppyy_is_protectedmethod(cppyy_method_t method)
char * cppyy_final_name(cppyy_type_t type)
char * cppyy_get_templated_method_name(cppyy_scope_t scope, cppyy_index_t imeth)
char * cppyy_method_full_name(cppyy_method_t method)
long cppyy_call_l(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
void cppyy_double2longdouble(double d, void *p)
void cppyy_deallocate_function_args(void *args)
int cppyy_method_is_template(cppyy_scope_t scope, cppyy_index_t idx)
static std::vector< CallWrapper * > gWrapperHolder
static bool gEnableFastPath
void cppyy_destruct(cppyy_type_t type, cppyy_object_t self)
int cppyy_is_enum(const char *type_name)
size_t cppyy_size_of_type(const char *type_name)
int cppyy_is_destructor(cppyy_method_t method)
cppyy_object_t cppyy_allocate(cppyy_type_t type)
char * cppyy_datamember_name(cppyy_scope_t scope, int datamember_index)
cppyy_object_t cppyy_construct(cppyy_type_t type)
static ClassRefs_t g_classrefs(1)
static bool WrapperCall(Cppyy::TCppMethod_t method, size_t nargs, void *args_, void *self, void *result)
static std::map< std::string, std::string > resolved_enum_types
int cppyy_is_namespace(cppyy_scope_t scope)
cppyy_object_t cppyy_call_o(cppyy_method_t method, cppyy_object_t self, int nargs, void *args, cppyy_type_t result_type)
long long cppyy_call_ll(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
cppyy_scope_t cppyy_get_scope(const char *scope_name)
void cppyy_vectorbool_setitem(cppyy_object_t ptr, int idx, int value)
static size_t CALL_NARGS(size_t nargs)
static CallWrapper * new_CallWrapper(TFunction *f)
void cppyy_add_smartptr_type(const char *type_name)
void * cppyy_allocate_function_args(int nargs)
float cppyy_call_f(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
short cppyy_call_h(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
int cppyy_is_protecteddata(cppyy_type_t type, cppyy_index_t datamember_index)
static std::set< std::string > gSTLNames
static const ClassRefs_t::size_type GLOBAL_HANDLE
int cppyy_get_dimension_size(cppyy_scope_t scope, cppyy_index_t idata, int dimension)
char * cppyy_method_signature_max(cppyy_method_t method, int show_formalargs, int maxargs)
double cppyy_call_d(cppyy_method_t method, cppyy_object_t self, int nargs, void *args)
int cppyy_num_methods(cppyy_scope_t scope)
char * cppyy_method_prototype(cppyy_scope_t scope, cppyy_method_t method, int show_formalargs)
std::vector< TGlobal * > GlobalVars_t
char * cppyy_resolve_name(const char *cppitem_name)
cppyy_method_t cppyy_get_method(cppyy_scope_t scope, cppyy_index_t idx)
std::vector< TClassRef > ClassRefs_t
size_t cppyy_function_arg_sizeof()
int cppyy_is_const_method(cppyy_method_t method)
static std::map< TDictionary::DeclId_t, CallWrapper * > gMethodTemplates
int cppyy_num_datamembers(cppyy_scope_t scope)
#define CPPYY_HANDLE_EXCEPTION
size_t cppyy_size_of_klass(cppyy_type_t klass)
static bool match_name(const std::string &tname, const std::string fname)
int cppyy_datamember_index(cppyy_scope_t scope, const char *name)
cppyy_index_t cppyy_get_global_operator(cppyy_scope_t scope, cppyy_scope_t lc, cppyy_scope_t rc, const char *op)
static TFunction * m2f(Cppyy::TCppMethod_t method)
void cppyy_deallocate(cppyy_type_t type, cppyy_object_t self)
const char * cppyy_stdstring2charp(cppyy_object_t ptr, size_t *lsz)
int cppyy_compile(const char *code)
static CallWrapper::DeclId_t m2d(Cppyy::TCppMethod_t method)
int cppyy_is_aggregate(cppyy_type_t type)
static TDataMember * GetDataMemberByIndex(TClassRef cr, int idata)
#define CPPYY_IMP_CALL(typecode, rtype)
int cppyy_method_num_args(cppyy_method_t method)
static std::set< std::string > gInitialNames
char * cppyy_method_arg_default(cppyy_method_t method, int arg_index)
static T CallT(Cppyy::TCppMethod_t method, Cppyy::TCppObject_t self, size_t nargs, void *args)
cppyy_funcaddr_t cppyy_function_address(cppyy_method_t method)
int cppyy_has_complex_hierarchy(cppyy_type_t type)
Cppyy::TCppIndex_t GetLongestInheritancePath(TClass *klass)
Retrieve number of base classes in the longest branch of the inheritance tree of the input class.
char * cppyy_method_arg_name(cppyy_method_t method, int arg_index)
const Int_t n
Definition legend1.C:16
#define F(x, y, z)
#define I(x, y, z)
#define H(x, y, z)
size_t TCppIndex_t
Definition cpp_cppyy.h:24
RPY_EXPORTED TCppIndex_t GetNumTemplatedMethods(TCppScope_t scope, bool accept_namespace=false)
RPY_EXPORTED std::string GetMethodMangledName(TCppMethod_t)
RPY_EXPORTED TCppObject_t CallO(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args, TCppType_t result_type)
RPY_EXPORTED int CallI(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED TCppIndex_t CompareMethodArgType(TCppMethod_t, TCppIndex_t iarg, const std::string &req_type)
RPY_EXPORTED ptrdiff_t GetBaseOffset(TCppType_t derived, TCppType_t base, TCppObject_t address, int direction, bool rerror=false)
RPY_EXPORTED void DeallocateFunctionArgs(void *args)
RPY_EXPORTED bool IsEnumData(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED unsigned char CallB(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED Long64_t CallLL(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED bool IsAbstract(TCppType_t type)
RPY_EXPORTED size_t SizeOf(TCppType_t klass)
RPY_EXPORTED TCppObject_t CallConstructor(TCppMethod_t method, TCppType_t type, size_t nargs, void *args)
intptr_t TCppMethod_t
Definition cpp_cppyy.h:22
RPY_EXPORTED void * AllocateFunctionArgs(size_t nargs)
RPY_EXPORTED bool IsDefaultConstructable(TCppType_t type)
RPY_EXPORTED bool IsTemplate(const std::string &template_name)
RPY_EXPORTED TCppIndex_t GetMethodReqArgs(TCppMethod_t)
RPY_EXPORTED bool IsEnum(const std::string &type_name)
RPY_EXPORTED std::vector< TCppIndex_t > GetMethodIndicesFromName(TCppScope_t scope, const std::string &name)
RPY_EXPORTED bool ExistsMethodTemplate(TCppScope_t scope, const std::string &name)
RPY_EXPORTED TCppIndex_t GetNumDatamembers(TCppScope_t scope, bool accept_namespace=false)
RPY_EXPORTED std::string ToString(TCppType_t klass, TCppObject_t obj)
RPY_EXPORTED std::string GetMethodName(TCppMethod_t)
RPY_EXPORTED bool IsConstData(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED void AddSmartPtrType(const std::string &)
RPY_EXPORTED bool Compile(const std::string &code, bool silent=false)
RPY_EXPORTED void CallDestructor(TCppType_t type, TCppObject_t self)
RPY_EXPORTED TCppScope_t gGlobalScope
Definition cpp_cppyy.h:53
RPY_EXPORTED bool IsProtectedData(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED std::string GetMethodSignature(TCppMethod_t, bool show_formalargs, TCppIndex_t maxargs=(TCppIndex_t) -1)
RPY_EXPORTED int GetDimensionSize(TCppScope_t scope, TCppIndex_t idata, int dimension)
RPY_EXPORTED bool IsSubtype(TCppType_t derived, TCppType_t base)
RPY_EXPORTED TCppMethod_t GetMethodTemplate(TCppScope_t scope, const std::string &name, const std::string &proto)
void * TCppObject_t
Definition cpp_cppyy.h:21
RPY_EXPORTED bool IsConstructor(TCppMethod_t method)
RPY_EXPORTED TCppIndex_t GetNumMethods(TCppScope_t scope, bool accept_namespace=false)
RPY_EXPORTED TCppObject_t Construct(TCppType_t type, void *arena=nullptr)
RPY_EXPORTED bool GetSmartPtrInfo(const std::string &, TCppType_t *raw, TCppMethod_t *deref)
RPY_EXPORTED char CallC(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED std::string GetMethodArgName(TCppMethod_t, TCppIndex_t iarg)
RPY_EXPORTED double CallD(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED size_t GetFunctionArgTypeoffset()
RPY_EXPORTED TCppObject_t Allocate(TCppType_t type)
RPY_EXPORTED void Destruct(TCppType_t type, TCppObject_t instance)
RPY_EXPORTED std::string ResolveName(const std::string &cppitem_name)
TCppScope_t TCppType_t
Definition cpp_cppyy.h:19
RPY_EXPORTED void AddTypeReducer(const std::string &reducable, const std::string &reduced)
RPY_EXPORTED std::string ResolveEnum(const std::string &enum_type)
RPY_EXPORTED long long GetEnumDataValue(TCppEnum_t, TCppIndex_t idata)
RPY_EXPORTED bool IsAggregate(TCppType_t type)
RPY_EXPORTED TCppIndex_t GetMethodNumArgs(TCppMethod_t)
RPY_EXPORTED TCppType_t GetActualClass(TCppType_t klass, TCppObject_t obj)
RPY_EXPORTED std::string GetBaseName(TCppType_t type, TCppIndex_t ibase)
RPY_EXPORTED bool IsNamespace(TCppScope_t scope)
void * TCppEnum_t
Definition cpp_cppyy.h:20
RPY_EXPORTED float CallF(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED std::string GetScopedFinalName(TCppType_t type)
RPY_EXPORTED void Deallocate(TCppType_t type, TCppObject_t instance)
RPY_EXPORTED bool IsPublicData(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED std::string GetMethodArgType(TCppMethod_t, TCppIndex_t iarg)
RPY_EXPORTED long CallL(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED void * CallR(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED std::string GetEnumDataName(TCppEnum_t, TCppIndex_t idata)
RPY_EXPORTED void GetAllCppNames(TCppScope_t scope, std::set< std::string > &cppnames)
RPY_EXPORTED bool IsComplete(const std::string &type_name)
RPY_EXPORTED bool IsBuiltin(const std::string &type_name)
RPY_EXPORTED bool IsStaticMethod(TCppMethod_t method)
RPY_EXPORTED TCppIndex_t GetDatamemberIndex(TCppScope_t scope, const std::string &name)
RPY_EXPORTED void CallV(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED LongDouble_t CallLD(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED bool IsStaticData(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED std::string GetDatamemberType(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED TCppMethod_t GetMethod(TCppScope_t scope, TCppIndex_t imeth)
RPY_EXPORTED bool IsDestructor(TCppMethod_t method)
RPY_EXPORTED bool IsSmartPtr(TCppType_t type)
RPY_EXPORTED std::string GetTemplatedMethodName(TCppScope_t scope, TCppIndex_t imeth)
RPY_EXPORTED size_t GetFunctionArgSizeof()
RPY_EXPORTED TCppScope_t GetScope(const std::string &scope_name)
RPY_EXPORTED bool HasVirtualDestructor(TCppType_t type)
RPY_EXPORTED bool IsConstMethod(TCppMethod_t)
RPY_EXPORTED bool HasComplexHierarchy(TCppType_t type)
RPY_EXPORTED std::vector< TCppScope_t > GetUsingNamespaces(TCppScope_t)
size_t TCppScope_t
Definition cpp_cppyy.h:18
RPY_EXPORTED bool IsTemplatedConstructor(TCppScope_t scope, TCppIndex_t imeth)
RPY_EXPORTED TCppIndex_t GetGlobalOperator(TCppType_t scope, const std::string &lc, const std::string &rc, const std::string &op)
RPY_EXPORTED TCppFuncAddr_t GetFunctionAddress(TCppMethod_t method, bool check_enabled=true)
RPY_EXPORTED TCppIndex_t GetNumEnumData(TCppEnum_t)
RPY_EXPORTED TCppIndex_t GetNumBases(TCppType_t type)
RPY_EXPORTED TCppIndex_t GetNumBasesLongestBranch(TCppType_t type)
Retrieve number of base classes in the longest branch of the inheritance tree.
RPY_EXPORTED std::string GetMethodPrototype(TCppScope_t scope, TCppMethod_t, bool show_formalargs)
RPY_EXPORTED std::string GetMethodResultType(TCppMethod_t)
RPY_EXPORTED std::string GetFinalName(TCppType_t type)
RPY_EXPORTED char * CallS(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args, size_t *length)
RPY_EXPORTED std::string GetMethodArgDefault(TCppMethod_t, TCppIndex_t iarg)
RPY_EXPORTED bool IsMethodTemplate(TCppScope_t scope, TCppIndex_t imeth)
RPY_EXPORTED std::string GetDatamemberName(TCppScope_t scope, TCppIndex_t idata)
RPY_EXPORTED bool IsPublicMethod(TCppMethod_t method)
RPY_EXPORTED intptr_t GetDatamemberOffset(TCppScope_t scope, TCppIndex_t idata)
void * TCppFuncAddr_t
Definition cpp_cppyy.h:25
RPY_EXPORTED std::string GetMethodFullName(TCppMethod_t)
RPY_EXPORTED short CallH(TCppMethod_t method, TCppObject_t self, size_t nargs, void *args)
RPY_EXPORTED bool IsProtectedMethod(TCppMethod_t method)
RPY_EXPORTED TCppEnum_t GetEnum(TCppScope_t scope, const std::string &enum_name)
void(* DelFunc_t)(void *)
Definition Rtypes.h:111
std::string ResolveTypedef(const char *tname, bool resolveAll=false)
std::string CleanType(const char *typeDesc, int mode=0, const char **tail=nullptr)
Cleanup type description, redundant blanks removed and redundant tail ignored return *tail = pointer ...
std::string ShortType(const char *typeDesc, int mode)
Return the absolute type of typeDesc.
char * DemangleName(const char *mangled_name, int &errorCode)
Definition TClassEdit.h:208
#define RPY_EXTERN
union CPyCppyy::Parameter::Value fValue
const char * fSigName
TMarker m
Definition textangle.C:8