/* ----------------------------------------------------------------------------- * See the LICENSE file for information on copyright, usage and redistribution * of SWIG, and the README file for authors - http://www.swig.org/release.html. * * php.cxx * * PHP language module for SWIG. * ----------------------------------------------------------------------------- */ /* FIXME: PHP5 OO wrapping TODO list: * * Medium term: * * Handle default parameters on overloaded methods in PHP where possible. * (Mostly done - just need to handle cases of overloaded methods with * default parameters...) * This is an optimisation - we could handle this case using a PHP * default value, but currently we treat it as we would for a default * value which is a compound C++ expression (i.e. as if we had a * method with two overloaded forms instead of a single method with * a default parameter value). * * Long term: * * Sort out locale-dependent behaviour of strtod() - it's harmless unless * SWIG ever sets the locale and DOH/base.c calls atof, so we're probably * OK currently at least. */ /* * TODO: Replace remaining stderr messages with Swig_error or Swig_warning * (may need to add more WARN_PHP_xxx codes...) */ char cvsroot_php_cxx[] = "$Id: php.cxx 11637 2009-08-18 16:23:23Z vmiklos $"; #include "swigmod.h" #include #include static const char *usage = (char *) "\ PHP Options (available with -php)\n\ -cppext - cpp file extension (default to .cpp)\n\ -noproxy - Don't generate proxy classes.\n\ -prefix - Prepend to all class names in PHP wrappers\n\ \n"; /* The original class wrappers for PHP stored the pointer to the C++ class in * the object property _cPtr. If we use the same name for the member variable * which we put the pointer to the C++ class in, then the flat function * wrappers will automatically pull it out without any changes being required. * FIXME: Isn't using a leading underscore a bit suspect here? */ #define SWIG_PTR "_cPtr" /* This is the name of the hash where the variables existing only in PHP * classes are stored. */ #define SWIG_DATA "_pData" static int constructors = 0; static String *NOTCLASS = NewString("Not a class"); static Node *classnode = 0; static String *module = 0; static String *cap_module = 0; static String *prefix = 0; static String *shadow_classname = 0; static File *f_begin = 0; static File *f_runtime = 0; static File *f_runtime_h = 0; static File *f_h = 0; static File *f_phpcode = 0; static File *f_directors = 0; static File *f_directors_h = 0; static String *phpfilename = 0; static String *s_header; static String *s_wrappers; static String *s_init; static String *r_init; // RINIT user code static String *s_shutdown; // MSHUTDOWN user code static String *r_shutdown; // RSHUTDOWN user code static String *s_vinit; // varinit initialization code. static String *s_vdecl; static String *s_cinit; // consttab initialization code. static String *s_oinit; static String *s_entry; static String *cs_entry; static String *all_cs_entry; static String *pragma_incl; static String *pragma_code; static String *pragma_phpinfo; static String *s_oowrappers; static String *s_fakeoowrappers; static String *s_phpclasses; /* Variables for using PHP classes */ static Node *current_class = 0; static Hash *shadow_get_vars; static Hash *shadow_set_vars; static Hash *zend_types = 0; static int shadow = 1; static bool class_has_ctor = false; static String *wrapping_member_constant = NULL; // These static variables are used to pass some state from Handlers into functionWrapper static enum { standard = 0, memberfn, staticmemberfn, membervar, staticmembervar, constructor, directorconstructor } wrapperType = standard; extern "C" { static void (*r_prevtracefunc) (SwigType *t, String *mangled, String *clientdata) = 0; } static void SwigPHP_emit_resource_registrations() { Iterator ki; if (!zend_types) return; ki = First(zend_types); if (ki.key) Printf(s_oinit, "\n/* Register resource destructors for pointer types */\n"); while (ki.key) { DOH *key = ki.key; Node *class_node = ki.item; String *human_name = key; // Write out destructor function header Printf(s_wrappers, "static ZEND_RSRC_DTOR_FUNC(_wrap_destroy%s) {\n", key); // write out body if (class_node != NOTCLASS) { String *destructor = Getattr(class_node, "destructor"); human_name = Getattr(class_node, "sym:name"); if (!human_name) human_name = Getattr(class_node, "name"); // Do we have a known destructor for this type? if (destructor) { Printf(s_wrappers, " %s(rsrc, SWIGTYPE%s->name TSRMLS_CC);\n", destructor, key); } else { Printf(s_wrappers, " /* No destructor for class %s */\n", human_name); Printf(s_wrappers, " efree(rsrc->ptr);\n"); } } else { Printf(s_wrappers, " /* No destructor for simple type %s */\n", key); Printf(s_wrappers, " efree(rsrc->ptr);\n"); } // close function Printf(s_wrappers, "}\n"); // declare le_swig_ to store php registration Printf(s_vdecl, "static int le_swig_%s=0; /* handle for %s */\n", key, human_name); // register with php Printf(s_oinit, "le_swig_%s=zend_register_list_destructors_ex" "(_wrap_destroy%s,NULL,(char *)(SWIGTYPE%s->name),module_number);\n", key, key, key); // store php type in class struct Printf(s_oinit, "SWIG_TypeClientData(SWIGTYPE%s,&le_swig_%s);\n", key, key); ki = Next(ki); } } class PHP : public Language { public: PHP() { director_language = 1; } /* ------------------------------------------------------------ * main() * ------------------------------------------------------------ */ virtual void main(int argc, char *argv[]) { SWIG_library_directory("php"); SWIG_config_cppext("cpp"); for (int i = 1; i < argc; i++) { if (strcmp(argv[i], "-prefix") == 0) { if (argv[i + 1]) { prefix = NewString(argv[i + 1]); Swig_mark_arg(i); Swig_mark_arg(i + 1); i++; } else { Swig_arg_error(); } } else if (strcmp(argv[i], "-cppext") == 0) { if (argv[i + 1]) { SWIG_config_cppext(argv[i + 1]); Swig_mark_arg(i); Swig_mark_arg(i + 1); i++; } else { Swig_arg_error(); } } else if ((strcmp(argv[i], "-noshadow") == 0) || (strcmp(argv[i], "-noproxy") == 0)) { shadow = 0; Swig_mark_arg(i); } else if (strcmp(argv[i], "-help") == 0) { fputs(usage, stdout); } else if (strcmp(argv[i], "-make") == 0 || strcmp(argv[i], "-withc") == 0 || strcmp(argv[i], "-withcxx") == 0) { Printf(stderr, "*** %s is no longer supported.\n", argv[i]); SWIG_exit(EXIT_FAILURE); } else if (strcmp(argv[i], "-phpfull") == 0 || strcmp(argv[i], "-withlibs") == 0 || strcmp(argv[i], "-withincs") == 0) { Printf(stderr, "*** %s is no longer supported.\n*** We recommend building as a dynamically loadable module.\n", argv[i]); SWIG_exit(EXIT_FAILURE); } else if (strcmp(argv[i], "-dlname") == 0) { Printf(stderr, "*** -dlname is no longer supported.\n*** If you want to change the module name, use -module instead.\n"); SWIG_exit(EXIT_FAILURE); } } Preprocessor_define("SWIGPHP 1", 0); // SWIGPHP5 is deprecated, and no longer documented. Preprocessor_define("SWIGPHP5 1", 0); SWIG_typemap_lang("php"); SWIG_config_file("php.swg"); allow_overloading(); } /* ------------------------------------------------------------ * top() * ------------------------------------------------------------ */ virtual int top(Node *n) { String *filen; String *s_type; /* Check if directors are enabled for this module. */ Node *mod = Getattr(n, "module"); if (mod) { Node *options = Getattr(mod, "options"); if (options && Getattr(options, "directors")) { allow_directors(); } } /* Set comparison with null for ConstructorToFunction */ setSubclassInstanceCheck(NewString("$arg->type != IS_NULL")); /* Initialize all of the output files */ String *outfile = Getattr(n, "outfile"); String *outfile_h = Getattr(n, "outfile_h"); /* main output file */ f_begin = NewFile(outfile, "w", SWIG_output_files()); if (!f_begin) { FileErrorDisplay(outfile); SWIG_exit(EXIT_FAILURE); } f_runtime = NewStringEmpty(); /* sections of the output file */ s_init = NewString("/* init section */\n"); r_init = NewString("/* rinit section */\n"); s_shutdown = NewString("/* shutdown section */\n"); r_shutdown = NewString("/* rshutdown section */\n"); s_header = NewString("/* header section */\n"); s_wrappers = NewString("/* wrapper section */\n"); s_type = NewStringEmpty(); /* subsections of the init section */ s_vinit = NewString("/* vinit subsection */\n"); s_vdecl = NewString("/* vdecl subsection */\n"); s_cinit = NewString("/* cinit subsection */\n"); s_oinit = NewString("/* oinit subsection */\n"); pragma_phpinfo = NewStringEmpty(); s_phpclasses = NewString("/* PHP Proxy Classes */\n"); f_directors_h = NewStringEmpty(); f_directors = NewStringEmpty(); if (directorsEnabled()) { f_runtime_h = NewFile(outfile_h, "w", SWIG_output_files()); if (!f_runtime_h) { FileErrorDisplay(outfile_h); SWIG_exit(EXIT_FAILURE); } } /* Register file targets with the SWIG file handler */ Swig_register_filebyname("begin", f_begin); Swig_register_filebyname("runtime", f_runtime); Swig_register_filebyname("init", s_init); Swig_register_filebyname("rinit", r_init); Swig_register_filebyname("shutdown", s_shutdown); Swig_register_filebyname("rshutdown", r_shutdown); Swig_register_filebyname("header", s_header); Swig_register_filebyname("wrapper", s_wrappers); Swig_register_filebyname("director", f_directors); Swig_register_filebyname("director_h", f_directors_h); Swig_banner(f_begin); Printf(f_runtime, "\n"); Printf(f_runtime, "#define SWIGPHP\n"); Printf(f_runtime, "\n"); if (directorsEnabled()) { Printf(f_runtime, "#define SWIG_DIRECTORS\n"); } /* Set the module name */ module = Copy(Getattr(n, "name")); cap_module = NewStringf("%(upper)s", module); if (!prefix) prefix = NewStringEmpty(); if (directorsEnabled()) { Swig_banner(f_directors_h); Printf(f_directors_h, "\n"); Printf(f_directors_h, "#ifndef SWIG_%s_WRAP_H_\n", cap_module); Printf(f_directors_h, "#define SWIG_%s_WRAP_H_\n\n", cap_module); Printf(f_directors, "\n#include \"%s\"\n\n", Swig_file_filename(outfile_h)); } /* PHP module file */ filen = NewStringEmpty(); Printv(filen, SWIG_output_directory(), module, ".php", NIL); phpfilename = NewString(filen); f_phpcode = NewFile(filen, "w", SWIG_output_files()); if (!f_phpcode) { FileErrorDisplay(filen); SWIG_exit(EXIT_FAILURE); } Printf(f_phpcode, "error_msg = default_error_msg;\n"); Printf(s_header, " globals->error_code = default_error_code;\n"); Printf(s_header, "}\n"); Printf(s_header, "static void %s_destroy_globals(zend_%s_globals * globals) { (void)globals; }\n", module, module); Printf(s_header, "\n"); Printf(s_header, "static void SWIG_ResetError() {\n"); Printf(s_header, " TSRMLS_FETCH();\n"); Printf(s_header, " SWIG_ErrorMsg() = default_error_msg;\n"); Printf(s_header, " SWIG_ErrorCode() = default_error_code;\n"); Printf(s_header, "}\n"); Append(s_header, "\n"); Printf(s_header, "ZEND_NAMED_FUNCTION(_wrap_swig_%s_alter_newobject) {\n", module); Append(s_header, " zval **args[2];\n"); Append(s_header, " swig_object_wrapper *value;\n"); Append(s_header, " int type;\n"); Append(s_header, " int thisown;\n"); Append(s_header, "\n"); Append(s_header, " SWIG_ResetError();\n"); Append(s_header, " if(ZEND_NUM_ARGS() != 2 || zend_get_parameters_array_ex(2, args) != SUCCESS) {\n"); Append(s_header, " WRONG_PARAM_COUNT;\n"); Append(s_header, " }\n"); Append(s_header, "\n"); Append(s_header, " value = (swig_object_wrapper *) zend_list_find((*args[0])->value.lval, &type);\n"); Append(s_header, " value->newobject = zval_is_true(*args[1]);\n"); Append(s_header, "\n"); Append(s_header, " return;\n"); Append(s_header, "}\n"); Printf(s_header, "ZEND_NAMED_FUNCTION(_wrap_swig_%s_get_newobject) {\n", module); Append(s_header, " zval **args[1];\n"); Append(s_header, " swig_object_wrapper *value;\n"); Append(s_header, " int type;\n"); Append(s_header, "\n"); Append(s_header, " SWIG_ResetError();\n"); Append(s_header, " if(ZEND_NUM_ARGS() != 1 || zend_get_parameters_array_ex(1, args) != SUCCESS) {\n"); Append(s_header, " WRONG_PARAM_COUNT;\n"); Append(s_header, " }\n"); Append(s_header, "\n"); Append(s_header, " value = (swig_object_wrapper *) zend_list_find((*args[0])->value.lval, &type);\n"); Append(s_header, " RETVAL_LONG(value->newobject);\n"); Append(s_header, "\n"); Append(s_header, " return;\n"); Append(s_header, "}\n"); Printf(s_header, "#define SWIG_name \"%s\"\n", module); /* Printf(s_header,"#ifdef HAVE_CONFIG_H\n"); Printf(s_header,"#include \"config.h\"\n"); Printf(s_header,"#endif\n\n"); */ Printf(s_header, "#ifdef __cplusplus\n"); Printf(s_header, "extern \"C\" {\n"); Printf(s_header, "#endif\n"); Printf(s_header, "#include \"php.h\"\n"); Printf(s_header, "#include \"php_ini.h\"\n"); Printf(s_header, "#include \"ext/standard/info.h\"\n"); Printf(s_header, "#include \"php_%s.h\"\n", module); Printf(s_header, "#ifdef __cplusplus\n"); Printf(s_header, "}\n"); Printf(s_header, "#endif\n\n"); if (directorsEnabled()) { // Insert director runtime Swig_insert_file("director.swg", s_header); } /* Create the .h file too */ filen = NewStringEmpty(); Printv(filen, SWIG_output_directory(), "php_", module, ".h", NIL); f_h = NewFile(filen, "w", SWIG_output_files()); if (!f_h) { FileErrorDisplay(filen); SWIG_exit(EXIT_FAILURE); } Swig_banner(f_h); Printf(f_h, "\n"); Printf(f_h, "#ifndef PHP_%s_H\n", cap_module); Printf(f_h, "#define PHP_%s_H\n\n", cap_module); Printf(f_h, "extern zend_module_entry %s_module_entry;\n", module); Printf(f_h, "#define phpext_%s_ptr &%s_module_entry\n\n", module, module); Printf(f_h, "#ifdef PHP_WIN32\n"); Printf(f_h, "# define PHP_%s_API __declspec(dllexport)\n", cap_module); Printf(f_h, "#else\n"); Printf(f_h, "# define PHP_%s_API\n", cap_module); Printf(f_h, "#endif\n\n"); Printf(f_h, "#ifdef ZTS\n"); Printf(f_h, "#include \"TSRM.h\"\n"); Printf(f_h, "#endif\n\n"); Printf(f_h, "PHP_MINIT_FUNCTION(%s);\n", module); Printf(f_h, "PHP_MSHUTDOWN_FUNCTION(%s);\n", module); Printf(f_h, "PHP_RINIT_FUNCTION(%s);\n", module); Printf(f_h, "PHP_RSHUTDOWN_FUNCTION(%s);\n", module); Printf(f_h, "PHP_MINFO_FUNCTION(%s);\n\n", module); /* start the function entry section */ s_entry = NewString("/* entry subsection */\n"); /* holds all the per-class function entry sections */ all_cs_entry = NewString("/* class entry subsection */\n"); cs_entry = NULL; Printf(s_entry, "/* Every non-class user visible function must have an entry here */\n"); Printf(s_entry, "static zend_function_entry %s_functions[] = {\n", module); /* start the init section */ Append(s_init, "#if ZEND_MODULE_API_NO <= 20090626\n"); Append(s_init, "#undef ZEND_MODULE_BUILD_ID\n"); Append(s_init, "#define ZEND_MODULE_BUILD_ID (char*)\"API\" ZEND_TOSTR(ZEND_MODULE_API_NO) ZEND_BUILD_TS ZEND_BUILD_DEBUG ZEND_BUILD_SYSTEM ZEND_BUILD_EXTRA\n"); Append(s_init, "#endif\n"); Printv(s_init, "zend_module_entry ", module, "_module_entry = {\n" "#if ZEND_MODULE_API_NO > 20010900\n" " STANDARD_MODULE_HEADER,\n" "#endif\n", NIL); Printf(s_init, " (char*)\"%s\",\n", module); Printf(s_init, " %s_functions,\n", module); Printf(s_init, " PHP_MINIT(%s),\n", module); Printf(s_init, " PHP_MSHUTDOWN(%s),\n", module); Printf(s_init, " PHP_RINIT(%s),\n", module); Printf(s_init, " PHP_RSHUTDOWN(%s),\n", module); Printf(s_init, " PHP_MINFO(%s),\n", module); Printf(s_init, "#if ZEND_MODULE_API_NO > 20010900\n"); Printf(s_init, " NO_VERSION_YET,\n"); Printf(s_init, "#endif\n"); Printf(s_init, " STANDARD_MODULE_PROPERTIES\n"); Printf(s_init, "};\n"); Printf(s_init, "zend_module_entry* SWIG_module_entry = &%s_module_entry;\n\n", module); Printf(s_init, "#ifdef __cplusplus\n"); Printf(s_init, "extern \"C\" {\n"); Printf(s_init, "#endif\n"); // We want to write "SWIGEXPORT ZEND_GET_MODULE(%s)" but ZEND_GET_MODULE // in PHP5 has "extern "C" { ... }" around it so we can't do that. Printf(s_init, "SWIGEXPORT zend_module_entry *get_module(void) { return &%s_module_entry; }\n", module); Printf(s_init, "#ifdef __cplusplus\n"); Printf(s_init, "}\n"); Printf(s_init, "#endif\n\n"); /* We have to register the constants before they are (possibly) used * by the pointer typemaps. This all needs re-arranging really as * things are being called in the wrong order */ Printf(s_init, "#define SWIG_php_minit PHP_MINIT_FUNCTION(%s)\n", module); /* Emit all of the code */ Language::top(n); SwigPHP_emit_resource_registrations(); // Printv(s_init,s_resourcetypes,NIL); /* We need this after all classes written out by ::top */ Printf(s_oinit, "CG(active_class_entry) = NULL;\n"); Printf(s_oinit, "/* end oinit subsection */\n"); Printf(s_init, "%s\n", s_oinit); /* Constants generated during top call */ Printf(s_cinit, "/* end cinit subsection */\n"); Printf(s_init, "%s\n", s_cinit); Clear(s_cinit); Delete(s_cinit); Printf(s_init, " return SUCCESS;\n"); Printf(s_init, "}\n\n"); // Now do REQUEST init which holds any user specified %rinit, and also vinit Printf(s_init, "PHP_RINIT_FUNCTION(%s)\n{\n", module); Printf(s_init, "%s\n", r_init); /* finish our init section which will have been used by class wrappers */ Printf(s_vinit, "/* end vinit subsection */\n"); Printf(s_init, "%s\n", s_vinit); Clear(s_vinit); Delete(s_vinit); Printf(s_init, " return SUCCESS;\n"); Printf(s_init, "}\n\n"); Printv(s_init, "PHP_MSHUTDOWN_FUNCTION(", module, ")\n" "{\n", s_shutdown, "#ifdef ZTS\n" " ts_free_id(", module, "_globals_id);\n" "#endif\n" " return SUCCESS;\n" "}\n\n", NIL); Printf(s_init, "PHP_RSHUTDOWN_FUNCTION(%s)\n{\n", module); Printf(s_init, "%s\n", r_shutdown); Printf(s_init, " return SUCCESS;\n"); Printf(s_init, "}\n\n"); Printf(s_init, "PHP_MINFO_FUNCTION(%s)\n{\n", module); Printf(s_init, "%s", pragma_phpinfo); Printf(s_init, "}\n"); Printf(s_init, "/* end init section */\n"); Printf(f_h, "#endif /* PHP_%s_H */\n", cap_module); Close(f_h); String *type_table = NewStringEmpty(); SwigType_emit_type_table(f_runtime, type_table); Printf(s_header, "%s", type_table); Delete(type_table); /* Oh dear, more things being called in the wrong order. This whole * function really needs totally redoing. */ if (directorsEnabled()) { Dump(f_directors_h, f_runtime_h); Printf(f_runtime_h, "\n"); Printf(f_runtime_h, "#endif\n"); Close(f_runtime_h); } Printf(s_header, "/* end header section */\n"); Printf(s_wrappers, "/* end wrapper section */\n"); Printf(s_vdecl, "/* end vdecl subsection */\n"); Dump(f_runtime, f_begin); Printv(f_begin, s_header, NIL); if (directorsEnabled()) { Dump(f_directors, f_begin); } Printv(f_begin, s_vdecl, s_wrappers, NIL); Printv(f_begin, all_cs_entry, "\n\n", s_entry, " SWIG_ZEND_NAMED_FE(swig_", module, "_alter_newobject,_wrap_swig_", module, "_alter_newobject,NULL)\n" " SWIG_ZEND_NAMED_FE(swig_", module, "_get_newobject,_wrap_swig_", module, "_get_newobject,NULL)\n" "{NULL, NULL, NULL}\n};\n\n", NIL); Printv(f_begin, s_init, NIL); Delete(s_header); Delete(s_wrappers); Delete(s_init); Delete(s_vdecl); Delete(all_cs_entry); Delete(s_entry); Close(f_begin); Delete(f_runtime); Delete(f_begin); Printf(f_phpcode, "%s\n%s\n", pragma_incl, pragma_code); if (s_fakeoowrappers) { Printf(f_phpcode, "abstract class %s {", Len(prefix) ? prefix : module); Printf(f_phpcode, "%s", s_fakeoowrappers); Printf(f_phpcode, "}\n\n"); Delete(s_fakeoowrappers); s_fakeoowrappers = NULL; } Printf(f_phpcode, "%s\n?>\n", s_phpclasses); Close(f_phpcode); return SWIG_OK; } /* Just need to append function names to function table to register with PHP. */ void create_command(String *cname, String *iname) { // This is for the single main zend_function_entry record Printf(f_h, "ZEND_NAMED_FUNCTION(%s);\n", iname); String * s = cs_entry; if (!s) s = s_entry; Printf(s, " SWIG_ZEND_NAMED_FE(%(lower)s,%s,NULL)\n", cname, iname); } /* ------------------------------------------------------------ * dispatchFunction() * ------------------------------------------------------------ */ void dispatchFunction(Node *n) { /* Last node in overloaded chain */ int maxargs; String *tmp = NewStringEmpty(); if (Swig_directorclass(n) && wrapperType == directorconstructor) { /* We have an extra 'this' parameter. */ SetFlag(n, "wrap:this"); } String *dispatch = Swig_overload_dispatch(n, "return %s(INTERNAL_FUNCTION_PARAM_PASSTHRU);", &maxargs); /* Generate a dispatch wrapper for all overloaded functions */ Wrapper *f = NewWrapper(); String *symname = Getattr(n, "sym:name"); String *wname = Swig_name_wrapper(symname); create_command(symname, wname); Printv(f->def, "ZEND_NAMED_FUNCTION(", wname, ") {\n", NIL); Wrapper_add_local(f, "argc", "int argc"); Printf(tmp, "zval **argv[%d]", maxargs); Wrapper_add_local(f, "argv", tmp); Printf(f->code, "argc = ZEND_NUM_ARGS();\n"); Printf(f->code, "zend_get_parameters_array_ex(argc,argv);\n"); Replaceall(dispatch, "$args", "self,args"); Printv(f->code, dispatch, "\n", NIL); Printf(f->code, "SWIG_ErrorCode() = E_ERROR;\n"); Printf(f->code, "SWIG_ErrorMsg() = \"No matching function for overloaded '%s'\";\n", symname); Printv(f->code, "zend_error(SWIG_ErrorCode(),\"%s\",SWIG_ErrorMsg());\n", NIL); Printv(f->code, "}\n", NIL); Wrapper_print(f, s_wrappers); DelWrapper(f); Delete(dispatch); Delete(tmp); Delete(wname); } /* ------------------------------------------------------------ * functionWrapper() * ------------------------------------------------------------ */ /* Helper method for PHP::functionWrapper */ bool is_class(SwigType *t) { Node *n = classLookup(t); if (n) { String *r = Getattr(n, "php:proxy"); // Set by classDeclaration() if (!r) r = Getattr(n, "sym:name"); // Not seen by classDeclaration yet, but this is the name if (r) return true; } return false; } virtual int functionWrapper(Node *n) { String *name = GetChar(n, "name"); String *iname = GetChar(n, "sym:name"); SwigType *d = Getattr(n, "type"); ParmList *l = Getattr(n, "parms"); String *nodeType = Getattr(n, "nodeType"); int newobject = GetFlag(n, "feature:new"); int constructor = (Cmp(nodeType, "constructor") == 0); Parm *p; int i; int numopt; String *tm; Wrapper *f; String *wname; int overloaded = 0; String *overname = 0; if (Cmp(nodeType, "destructor") == 0) { // We just generate the Zend List Destructor and let Zend manage the // reference counting. There's no explicit destructor, but the user can // just do `$obj = null;' to remove a reference to an object. return CreateZendListDestructor(n); } // Test for overloading; if (Getattr(n, "sym:overloaded")) { overloaded = 1; overname = Getattr(n, "sym:overname"); } else { if (!addSymbol(iname, n)) return SWIG_ERROR; } wname = Swig_name_wrapper(iname); if (overname) { Printf(wname, "%s", overname); } f = NewWrapper(); numopt = 0; String *outarg = NewStringEmpty(); String *cleanup = NewStringEmpty(); // Not issued for overloaded functions. if (!overloaded) { create_command(iname, wname); } Printv(f->def, "ZEND_NAMED_FUNCTION(", wname, ") {\n", NIL); emit_parameter_variables(l, f); /* Attach standard typemaps */ emit_attach_parmmaps(l, f); // wrap:parms is used by overload resolution. Setattr(n, "wrap:parms", l); int num_arguments = emit_num_arguments(l); int num_required = emit_num_required(l); numopt = num_arguments - num_required; if (wrapperType == directorconstructor) num_arguments++; if (num_arguments > 0) { String *args = NewStringEmpty(); if (wrapperType == directorconstructor) Wrapper_add_local(f, "arg0", "zval *arg0"); Printf(args, "zval **args[%d]", num_arguments); Wrapper_add_local(f, "args", args); Delete(args); args = NULL; } if (is_member_director(n)) { Wrapper_add_local(f, "director", "Swig::Director *director = 0"); Printf(f->code, "director = dynamic_cast(arg1);\n"); Wrapper_add_local(f, "upcall", "bool upcall = false"); Printf(f->code, "upcall = !director->is_overriden_method((char *)\"%s\", (char *)\"%s\");\n", Swig_class_name(Swig_methodclass(n)), name); } // This generated code may be called: // 1) as an object method, or // 2) as a class-method/function (without a "this_ptr") // Option (1) has "this_ptr" for "this", option (2) needs it as // first parameter // NOTE: possible we ignore this_ptr as a param for native constructor Printf(f->code, "SWIG_ResetError();\n"); if (numopt > 0) { // membervariable wrappers do not have optional args Wrapper_add_local(f, "arg_count", "int arg_count"); Printf(f->code, "arg_count = ZEND_NUM_ARGS();\n"); Printf(f->code, "if(arg_count<%d || arg_count>%d ||\n", num_required, num_arguments); Printf(f->code, " zend_get_parameters_array_ex(arg_count,args)!=SUCCESS)\n"); Printf(f->code, "\tWRONG_PARAM_COUNT;\n\n"); } else { if (num_arguments == 0) { Printf(f->code, "if(ZEND_NUM_ARGS() != 0) {\n"); } else { Printf(f->code, "if(ZEND_NUM_ARGS() != %d || zend_get_parameters_array_ex(%d, args) != SUCCESS) {\n", num_arguments, num_arguments); } Printf(f->code, "WRONG_PARAM_COUNT;\n}\n\n"); } if (wrapperType == directorconstructor) Printf(f->code, "arg0 = *args[0];\n \n"); /* Now convert from PHP to C variables */ // At this point, argcount if used is the number of deliberately passed args // not including this_ptr even if it is used. // It means error messages may be out by argbase with error // reports. We can either take argbase into account when raising // errors, or find a better way of dealing with _thisptr. // I would like, if objects are wrapped, to assume _thisptr is always // _this and not the first argument. // This may mean looking at Language::memberfunctionHandler int limit = num_arguments; if (wrapperType == directorconstructor) limit--; for (i = 0, p = l; i < limit; i++) { String *source; /* Skip ignored arguments */ //while (Getattr(p,"tmap:ignore")) { p = Getattr(p,"tmap:ignore:next");} while (checkAttribute(p, "tmap:in:numinputs", "0")) { p = Getattr(p, "tmap:in:next"); } SwigType *pt = Getattr(p, "type"); if (wrapperType == directorconstructor) { source = NewStringf("args[%d]", i+1); } else { source = NewStringf("args[%d]", i); } String *ln = Getattr(p, "lname"); /* Check if optional */ if (i >= num_required) { Printf(f->code, "\tif(arg_count > %d) {\n", i); } if ((tm = Getattr(p, "tmap:in"))) { Replaceall(tm, "$source", source); Replaceall(tm, "$target", ln); Replaceall(tm, "$input", source); Setattr(p, "emit:input", source); Printf(f->code, "%s\n", tm); if (i == 0 && Getattr(p, "self")) { Printf(f->code, "\tif(!arg1) SWIG_PHP_Error(E_ERROR, \"this pointer is NULL\");\n"); } p = Getattr(p, "tmap:in:next"); if (i >= num_required) { Printf(f->code, "}\n"); } continue; } else { Swig_warning(WARN_TYPEMAP_IN_UNDEF, input_file, line_number, "Unable to use type %s as a function argument.\n", SwigType_str(pt, 0)); } if (i >= num_required) { Printf(f->code, "\t}\n"); } Delete(source); } Swig_director_emit_dynamic_cast(n, f); /* Insert constraint checking code */ for (p = l; p;) { if ((tm = Getattr(p, "tmap:check"))) { Replaceall(tm, "$target", Getattr(p, "lname")); Printv(f->code, tm, "\n", NIL); p = Getattr(p, "tmap:check:next"); } else { p = nextSibling(p); } } /* Insert cleanup code */ for (i = 0, p = l; p; i++) { if ((tm = Getattr(p, "tmap:freearg"))) { Replaceall(tm, "$source", Getattr(p, "lname")); Printv(cleanup, tm, "\n", NIL); p = Getattr(p, "tmap:freearg:next"); } else { p = nextSibling(p); } } /* Insert argument output code */ for (i = 0, p = l; p; i++) { if ((tm = Getattr(p, "tmap:argout"))) { Replaceall(tm, "$source", Getattr(p, "lname")); // Replaceall(tm,"$input",Getattr(p,"lname")); Replaceall(tm, "$target", "return_value"); Replaceall(tm, "$result", "return_value"); Replaceall(tm, "$arg", Getattr(p, "emit:input")); Replaceall(tm, "$input", Getattr(p, "emit:input")); Printv(outarg, tm, "\n", NIL); p = Getattr(p, "tmap:argout:next"); } else { p = nextSibling(p); } } Setattr(n, "wrap:name", wname); /* emit function call */ String *actioncode = emit_action(n); if ((tm = Swig_typemap_lookup_out("out", n, "result", f, actioncode))) { Replaceall(tm, "$input", "result"); Replaceall(tm, "$source", "result"); Replaceall(tm, "$target", "return_value"); Replaceall(tm, "$result", "return_value"); Replaceall(tm, "$owner", newobject ? "1" : "0"); Printf(f->code, "%s\n", tm); } else { Swig_warning(WARN_TYPEMAP_OUT_UNDEF, input_file, line_number, "Unable to use return type %s in function %s.\n", SwigType_str(d, 0), name); } emit_return_variable(n, d, f); if (outarg) { Printv(f->code, outarg, NIL); } if (cleanup) { Printv(f->code, cleanup, NIL); } /* Look to see if there is any newfree cleanup code */ if (GetFlag(n, "feature:new")) { if ((tm = Swig_typemap_lookup("newfree", n, "result", 0))) { Printf(f->code, "%s\n", tm); Delete(tm); } } /* See if there is any return cleanup code */ if ((tm = Swig_typemap_lookup("ret", n, "result", 0))) { Printf(f->code, "%s\n", tm); Delete(tm); } Printf(f->code, "return;\n"); /* Error handling code */ Printf(f->code, "fail:\n"); Printv(f->code, cleanup, NIL); Printv(f->code, "zend_error_noreturn(SWIG_ErrorCode(),\"%s\",SWIG_ErrorMsg());", NIL); Printf(f->code, "}\n"); Replaceall(f->code, "$cleanup", cleanup); Replaceall(f->code, "$symname", iname); Wrapper_print(f, s_wrappers); DelWrapper(f); f = NULL; if (overloaded && !Getattr(n, "sym:nextSibling")) { dispatchFunction(n); } Delete(wname); wname = NULL; if (!shadow) { return SWIG_OK; } // Handle getters and setters. if (wrapperType == membervar) { const char *p = Char(iname); if (strlen(p) > 4) { p += strlen(p) - 4; String *varname = Getattr(n, "membervariableHandler:sym:name"); if (strcmp(p, "_get") == 0) { Setattr(shadow_get_vars, varname, iname); } else if (strcmp(p, "_set") == 0) { Setattr(shadow_set_vars, varname, iname); } } return SWIG_OK; } // Only look at non-overloaded methods and the last entry in each overload // chain (we check the last so that wrap:parms and wrap:name have been set // for them all). if (overloaded && Getattr(n, "sym:nextSibling") != 0) return SWIG_OK; if (!s_oowrappers) s_oowrappers = NewStringEmpty(); if (newobject || wrapperType == memberfn || wrapperType == staticmemberfn || wrapperType == standard || wrapperType == staticmembervar) { bool handle_as_overload = false; String **arg_names; String **arg_values; // Method or static method or plain function. const char *methodname = 0; String *output = s_oowrappers; if (constructor) { class_has_ctor = true; // Skip the Foo:: prefix. char *ptr = strrchr(GetChar(Swig_methodclass(n), "sym:name"), ':'); if (ptr) { ptr++; } else { ptr = GetChar(Swig_methodclass(n), "sym:name"); } if (strcmp(ptr, GetChar(n, "constructorHandler:sym:name")) == 0) { methodname = "__construct"; } else { // The class has multiple constructors and this one is // renamed, so this will be a static factory function methodname = GetChar(n, "constructorHandler:sym:name"); } } else if (wrapperType == memberfn) { methodname = Char(Getattr(n, "memberfunctionHandler:sym:name")); } else if (wrapperType == staticmemberfn) { methodname = Char(Getattr(n, "staticmemberfunctionHandler:sym:name")); } else if (wrapperType == staticmembervar) { // Static member variable, wrapped as a function due to PHP limitations. methodname = Char(Getattr(n, "staticmembervariableHandler:sym:name")); } else { // wrapperType == standard methodname = Char(iname); if (!s_fakeoowrappers) s_fakeoowrappers = NewStringEmpty(); output = s_fakeoowrappers; } bool really_overloaded = overloaded ? true : false; int min_num_of_arguments = emit_num_required(l); int max_num_of_arguments = emit_num_arguments(l); // For a function with default arguments, we end up with the fullest // parmlist in full_parmlist. ParmList *full_parmlist = l; Hash *ret_types = NewHash(); Setattr(ret_types, d, d); if (overloaded) { // Look at all the overloaded versions of this method in turn to // decide if it's really an overloaded method, or just one where some // parameters have default values. Node *o = Getattr(n, "sym:overloaded"); while (o) { if (o == n) { o = Getattr(o, "sym:nextSibling"); continue; } SwigType *d2 = Getattr(o, "type"); if (!d2) { assert(constructor); } else if (!Getattr(ret_types, d2)) { Setattr(ret_types, d2, d2); } ParmList *l2 = Getattr(o, "wrap:parms"); int num_arguments = emit_num_arguments(l2); int num_required = emit_num_required(l2); if (num_required < min_num_of_arguments) min_num_of_arguments = num_required; if (num_arguments > max_num_of_arguments) { max_num_of_arguments = num_arguments; full_parmlist = l2; } o = Getattr(o, "sym:nextSibling"); } o = Getattr(n, "sym:overloaded"); while (o) { if (o == n) { o = Getattr(o, "sym:nextSibling"); continue; } ParmList *l2 = Getattr(o, "wrap:parms"); Parm *p = l, *p2 = l2; if (wrapperType == memberfn) { p = nextSibling(p); p2 = nextSibling(p2); } while (p && p2) { if (Cmp(Getattr(p, "type"), Getattr(p2, "type")) != 0) break; if (Cmp(Getattr(p, "name"), Getattr(p2, "name")) != 0) break; String *value = Getattr(p, "value"); String *value2 = Getattr(p2, "value"); if (value && !value2) break; if (!value && value2) break; if (value) { if (Cmp(value, value2) != 0) break; } p = nextSibling(p); p2 = nextSibling(p2); } if (p && p2) break; // One parameter list is a prefix of the other, so check that all // remaining parameters of the longer list are optional. if (p2) p = p2; while (p && Getattr(p, "value")) p = nextSibling(p); if (p) break; o = Getattr(o, "sym:nextSibling"); } if (!o) { // This "overloaded method" is really just one with default args. really_overloaded = false; if (l != full_parmlist) { l = full_parmlist; if (wrapperType == memberfn) l = nextSibling(l); } } } if (wrapperType == memberfn) { // Allow for the "this" pointer. --min_num_of_arguments; --max_num_of_arguments; } arg_names = (String **) malloc(max_num_of_arguments * sizeof(String *)); if (!arg_names) { /* FIXME: How should this be handled? The rest of SWIG just seems * to not bother checking for malloc failing! */ fprintf(stderr, "Malloc failed!\n"); exit(1); } for (i = 0; i < max_num_of_arguments; ++i) { arg_names[i] = NULL; } arg_values = (String **) malloc(max_num_of_arguments * sizeof(String *)); if (!arg_values) { /* FIXME: How should this be handled? The rest of SWIG just seems * to not bother checking for malloc failing! */ fprintf(stderr, "Malloc failed!\n"); exit(1); } for (i = 0; i < max_num_of_arguments; ++i) { arg_values[i] = NULL; } Node *o; if (overloaded) { o = Getattr(n, "sym:overloaded"); } else { o = n; } while (o) { int argno = 0; Parm *p = Getattr(o, "wrap:parms"); if (wrapperType == memberfn) p = nextSibling(p); while (p) { if (GetInt(p, "tmap:in:numinputs") == 0) { p = nextSibling(p); continue; } assert(0 <= argno && argno < max_num_of_arguments); String *&pname = arg_names[argno]; const char *pname_cstr = GetChar(p, "name"); // Just get rid of the C++ namespace part for now. const char *ptr = NULL; if (pname_cstr && (ptr = strrchr(pname_cstr, ':'))) { pname_cstr = ptr + 1; } if (!pname_cstr) { // Unnamed parameter, e.g. int foo(int); } else if (pname == NULL) { pname = NewString(pname_cstr); } else { size_t len = strlen(pname_cstr); size_t spc = 0; size_t len_pname = strlen(Char(pname)); while (spc + len <= len_pname) { if (strncmp(pname_cstr, Char(pname) + spc, len) == 0) { char ch = ((char *) Char(pname))[spc + len]; if (ch == '\0' || ch == ' ') { // Already have this pname_cstr. pname_cstr = NULL; break; } } char *p = strchr(Char(pname) + spc, ' '); if (!p) break; spc = (p + 4) - Char(pname); } if (pname_cstr) { Printf(pname, " or_%s", pname_cstr); } } String *value = NewString(Getattr(p, "value")); if (Len(value)) { /* Check that value is a valid constant in PHP (and adjust it if * necessary, or replace it with "?" if it's just not valid). */ SwigType *type = Getattr(p, "type"); switch (SwigType_type(type)) { case T_BOOL: { if (Strcmp(value, "true") == 0 || Strcmp(value, "false") == 0) break; char *p; errno = 0; int n = strtol(Char(value), &p, 0); Clear(value); if (errno || *p) { Append(value, "?"); } else if (n) { Append(value, "true"); } else { Append(value, "false"); } break; } case T_CHAR: case T_SCHAR: case T_SHORT: case T_INT: case T_LONG: { char *p; errno = 0; unsigned int n = strtol(Char(value), &p, 0); (void) n; if (errno || *p) { Clear(value); Append(value, "?"); } break; } case T_UCHAR: case T_USHORT: case T_UINT: case T_ULONG: { char *p; errno = 0; unsigned int n = strtoul(Char(value), &p, 0); (void) n; if (errno || *p) { Clear(value); Append(value, "?"); } break; } case T_FLOAT: case T_DOUBLE:{ char *p; errno = 0; /* FIXME: strtod is locale dependent... */ double val = strtod(Char(value), &p); if (errno || *p) { Clear(value); Append(value, "?"); } else if (strchr(Char(value), '.') == NULL) { // Ensure value is a double constant, not an integer one. Append(value, ".0"); double val2 = strtod(Char(value), &p); if (errno || *p || val != val2) { Clear(value); Append(value, "?"); } } break; } case T_REFERENCE: case T_USER: case T_ARRAY: Clear(value); Append(value, "?"); break; case T_STRING: if (Len(value) < 2) { // How can a string (including "" be less than 2 characters?) Clear(value); Append(value, "?"); } else { const char *v = Char(value); if (v[0] != '"' || v[Len(value) - 1] != '"') { Clear(value); Append(value, "?"); } // Strings containing "$" require special handling, but we do // that later. } break; case T_VOID: assert(false); break; case T_POINTER: { const char *v = Char(value); if (v[0] == '(') { // Handle "(void*)0", "(TYPE*)0", "(char*)NULL", etc. v += strcspn(v + 1, "*()") + 1; if (*v == '*') { do { v++; v += strspn(v, " \t"); } while (*v == '*'); if (*v++ == ')') { v += strspn(v, " \t"); String * old = value; value = NewString(v); Delete(old); } } } if (Strcmp(value, "NULL") == 0 || Strcmp(value, "0") == 0 || Strcmp(value, "0L") == 0) { Clear(value); Append(value, "null"); } else { Clear(value); Append(value, "?"); } break; } } if (!arg_values[argno]) { arg_values[argno] = value; value = NULL; } else if (Cmp(arg_values[argno], value) != 0) { // If a parameter has two different default values in // different overloaded forms of the function, we can't // set its default in PHP. Flag this by setting its // default to `?'. Delete(arg_values[argno]); arg_values[argno] = NewString("?"); } } else if (arg_values[argno]) { // This argument already has a default value in another overloaded // form, but doesn't in this form. So don't try to do anything // clever, just let the C wrappers resolve the overload and set the // default values. // // This handling is safe, but I'm wondering if it may be overly // conservative (FIXME) in some cases. It seems it's only bad when // there's an overloaded form with the appropriate number of // parameters which doesn't want the default value, but I need to // think about this more. Delete(arg_values[argno]); arg_values[argno] = NewString("?"); } Delete(value); p = nextSibling(p); ++argno; } if (!really_overloaded) break; o = Getattr(o, "sym:nextSibling"); } /* Clean up any parameters which haven't yet got names, or whose * names clash. */ Hash *seen = NewHash(); /* We need $this to refer to the current class, so can't allow it * to be used as a parameter. */ Setattr(seen, "this", seen); /* We use $r to store the return value, so disallow that as a parameter * name in case the user uses the "call-time pass-by-reference" feature * (it's deprecated and off by default in PHP5, but we want to be * maximally portable). Similarly we use $c for the classname or new * stdClass object. */ Setattr(seen, "r", seen); Setattr(seen, "c", seen); for (int argno = 0; argno < max_num_of_arguments; ++argno) { String *&pname = arg_names[argno]; if (pname) { Replaceall(pname, " ", "_"); } else { /* We get here if the SWIG .i file has "int foo(int);" */ pname = NewStringEmpty(); Printf(pname, "arg%d", argno + 1); } // Check if we've already used this parameter name. while (Getattr(seen, pname)) { // Append "_" to clashing names until they stop clashing... Printf(pname, "_"); } Setattr(seen, Char(pname), seen); if (arg_values[argno] && Cmp(arg_values[argno], "?") == 0) { handle_as_overload = true; } } Delete(seen); seen = NULL; String *invoke = NewStringEmpty(); String *prepare = NewStringEmpty(); String *args = NewStringEmpty(); if (!handle_as_overload && !(really_overloaded && max_num_of_arguments > min_num_of_arguments)) { Printf(invoke, "%s(", iname); if (wrapperType == memberfn) { Printf(invoke, "$this->%s", SWIG_PTR); } for (int i = 0; i < max_num_of_arguments; ++i) { if (i) Printf(args, ","); if (i || wrapperType == memberfn) Printf(invoke, ","); String *value = arg_values[i]; if (value) { const char *v = Char(value); if (v[0] == '"') { /* In a PHP double quoted string, $ needs to be escaped as \$. */ Replaceall(value, "$", "\\$"); } Printf(args, "$%s=%s", arg_names[i], value); } else { Printf(args, "$%s", arg_names[i]); } Printf(invoke, "$%s", arg_names[i]); } Printf(invoke, ")"); } else { int i; for (i = 0; i < min_num_of_arguments; ++i) { if (i) Printf(args, ","); Printf(args, "$%s", arg_names[i]); } String *invoke_args = NewStringEmpty(); if (wrapperType == memberfn) { Printf(invoke_args, "$this->%s", SWIG_PTR); if (min_num_of_arguments > 0) Printf(invoke_args, ","); } Printf(invoke_args, "%s", args); bool had_a_case = false; int last_handled_i = i - 1; for (; i < max_num_of_arguments; ++i) { if (i) Printf(args, ","); const char *value = Char(arg_values[i]); // FIXME: (really_overloaded && handle_as_overload) is perhaps a // little conservative, but it doesn't hit any cases that it // shouldn't for Xapian at least (and we need it to handle // "Enquire::get_mset()" correctly). bool non_php_default = ((really_overloaded && handle_as_overload) || !value || strcmp(value, "?") == 0); if (non_php_default) value = "null"; Printf(args, "$%s=%s", arg_names[i], value); if (non_php_default) { if (!had_a_case) { Printf(prepare, "\t\tswitch (func_num_args()) {\n"); had_a_case = true; } Printf(prepare, "\t\t"); while (last_handled_i < i) { Printf(prepare, "case %d: ", ++last_handled_i); } if (Cmp(d, "void") != 0) { if ((!directorsEnabled() || !Swig_directorclass(n)) && !newobject) { Append(prepare, "$r="); } else { Printf(prepare, "$this->%s=", SWIG_PTR); } } if (!directorsEnabled() || !Swig_directorclass(n) || !newobject) { Printf(prepare, "%s(%s); break;\n", iname, invoke_args); } else if (!i) { Printf(prepare, "%s($_this%s); break;\n", iname, invoke_args); } else { Printf(prepare, "%s($_this, %s); break;\n", iname, invoke_args); } } if (i || wrapperType == memberfn) Printf(invoke_args, ","); Printf(invoke_args, "$%s", arg_names[i]); } Printf(prepare, "\t\t"); if (had_a_case) Printf(prepare, "default: "); if (Cmp(d, "void") != 0) { if ((!directorsEnabled() || !Swig_directorclass(n)) && !newobject) { Append(prepare, "$r="); } else { Printf(prepare, "$this->%s=", SWIG_PTR); } } if (!directorsEnabled() || !Swig_directorclass(n) || !newobject) { Printf(prepare, "%s(%s);\n", iname, invoke_args); } else { Printf(prepare, "%s($_this, %s);\n", iname, invoke_args); } if (had_a_case) Printf(prepare, "\t\t}\n"); Delete(invoke_args); Printf(invoke, "$r"); } Printf(output, "\n"); // If it's a member function or a class constructor... if (wrapperType == memberfn || (constructor && current_class)) { String *acc = NewString(Getattr(n, "access")); // If a base has the same method with public access, then PHP // requires to have it here as public as well Node *bases = Getattr(Swig_methodclass(n), "bases"); if (bases && Strcmp(acc, "public") != 0) { String *warnmsg = 0; int haspublicbase = 0; Iterator i = First(bases); while (i.item) { Node *j = firstChild(i.item); while (j) { if (Strcmp(Getattr(j, "name"), Getattr(n, "name")) != 0) { j = nextSibling(j); continue; } if (Strcmp(nodeType(j), "cdecl") == 0) { if (!Getattr(j, "access") || checkAttribute(j, "access", "public")) { haspublicbase = 1; } } else if (Strcmp(nodeType(j), "using") == 0 && firstChild(j) && Strcmp(nodeType(firstChild(j)), "cdecl") == 0) { if (!Getattr(firstChild(j), "access") || checkAttribute(firstChild(j), "access", "public")) { haspublicbase = 1; } } if (haspublicbase) { warnmsg = NewStringf("Modifying the access of '%s::%s' to public, as the base '%s' has it as public as well.\n", Getattr(current_class, "classtype"), Getattr(n, "name"), Getattr(i.item, "classtype")); break; } j = nextSibling(j); } i = Next(i); if (haspublicbase) { break; } } if (Getattr(n, "access") && haspublicbase) { Delete(acc); acc = NewString("public"); Swig_warning(WARN_PHP_PUBLIC_BASE, input_file, line_number, Char(warnmsg)); Delete(warnmsg); } } if (Cmp(acc, "") != 0) { Append(acc, " "); } if (constructor) { const char * arg0; if (max_num_of_arguments > 0) { arg0 = Char(arg_names[0]); } else { arg0 = "res"; Delete(args); args = NewString("$res=null"); } SwigType *t = Getattr(current_class, "classtype"); String *mangled_type = SwigType_manglestr(SwigType_ltype(t)); Printf(output, "\t%sfunction %s(%s) {\n", acc, methodname, args); Printf(output, "\t\tif (is_resource($%s) && get_resource_type($%s) === '_p%s') {\n", arg0, arg0, mangled_type); Printf(output, "\t\t\t$this->%s=$%s;\n", SWIG_PTR, arg0); Printf(output, "\t\t\treturn;\n"); Printf(output, "\t\t}\n"); } else { Printf(output, "\t%sfunction %s(%s) {\n", acc, methodname, args); } Delete(acc); } else if (wrapperType == staticmembervar) { // We're called twice for a writable static member variable - first // with "foo_set" and then with "foo_get" - so generate half the // wrapper function each time. // // For a const static member, we only get called once. static bool started = false; if (!started) { Printf(output, "\tstatic function %s() {\n", methodname); if (max_num_of_arguments) { // Setter. Printf(output, "\t\tif (func_num_args()) {\n"); Printf(output, "\t\t\t%s(func_get_arg(0));\n", iname); Printf(output, "\t\t\treturn;\n"); Printf(output, "\t\t}\n"); started = true; goto done; } } started = false; } else { Printf(output, "\tstatic function %s(%s) {\n", methodname, args); } if (!newobject) Printf(output, "%s", prepare); if (constructor) { if (!directorsEnabled() || !Swig_directorclass(n)) { if (strcmp(methodname, "__construct") == 0) { Printf(output, "\t\t$this->%s=%s;\n", SWIG_PTR, invoke); } else { String *classname = Swig_class_name(current_class); Printf(output, "\t\treturn new %s(%s);\n", classname, invoke); } } else { Node *parent = Swig_methodclass(n); String *classname = Swig_class_name(parent); Printf(output, "\t\tif (get_class($this) === '%s%s') {\n", prefix, classname); Printf(output, "\t\t\t$_this = null;\n"); Printf(output, "\t\t} else {\n"); Printf(output, "\t\t\t$_this = $this;\n"); Printf(output, "\t\t}\n"); if (!Len(prepare)) { if (num_arguments > 1) { Printf(output, "\t\t$this->%s=%s($_this, %s);\n", SWIG_PTR, iname, args); } else { Printf(output, "\t\t$this->%s=%s($_this);\n", SWIG_PTR, iname); } } } Printf(output, "%s", prepare); } else if (Cmp(d, "void") == 0) { if (Cmp(invoke, "$r") != 0) Printf(output, "\t\t%s;\n", invoke); } else if (is_class(d)) { if (Cmp(invoke, "$r") != 0) Printf(output, "\t\t$r=%s;\n", invoke); if (Len(ret_types) == 1) { /* If it has an abstract base, then we can't create a new * base object. */ int hasabstractbase = 0; Node *bases = Getattr(Swig_methodclass(n), "bases"); if (bases) { Iterator i = First(bases); while(i.item) { if (Getattr(i.item, "abstract")) { hasabstractbase = 1; break; } i = Next(i); } } if (newobject || !hasabstractbase) { /* * _p_Foo -> Foo, _p_ns__Bar -> Bar * TODO: do this in a more elegant way */ Printf(output, "\t\tif (is_resource($r)) {\n"); if (Getattr(classLookup(Getattr(n, "type")), "module")) { if (Len(prefix) == 0) { Printf(output, "\t\t\t$c=substr(get_resource_type($r), (strpos(get_resource_type($r), '__') ? strpos(get_resource_type($r), '__') + 2 : 3));\n"); } else { Printf(output, "\t\t\t$c='%s'.substr(get_resource_type($r), (strpos(get_resource_type($r), '__') ? strpos(get_resource_type($r), '__') + 2 : 3));\n", prefix); } Printf(output, "\t\t\tif (!class_exists($c)) {\n"); Printf(output, "\t\t\t\treturn new %s($r);\n", Getattr(classLookup(d), "sym:name")); Printf(output, "\t\t\t}\n"); Printf(output, "\t\t\treturn new $c($r);\n"); } else { Printf(output, "\t\t\t$c = new stdClass();\n"); Printf(output, "\t\t\t$c->_cPtr = $r;\n"); Printf(output, "\t\t\treturn $c;\n"); } Printf(output, "\t\t}\n\t\treturn $r;\n"); } else { Printf(output, "\t\t$this->%s = $r;\n", SWIG_PTR); Printf(output, "\t\treturn $this;\n"); } } else { Printf(output, "\t\tif (!is_resource($r)) return $r;\n"); Printf(output, "\t\tswitch (get_resource_type($r)) {\n"); Iterator i = First(ret_types); while (i.item) { SwigType *ret_type = i.item; i = Next(i); Printf(output, "\t\t"); String *mangled = NewString("_p"); Printf(mangled, "%s", SwigType_manglestr(ret_type)); Node *class_node = Getattr(zend_types, mangled); if (!class_node) { /* This is needed when we're returning a pointer to a type * rather than returning the type by value or reference. */ class_node = current_class; Delete(mangled); mangled = NewString(SwigType_manglestr(ret_type)); class_node = Getattr(zend_types, mangled); } if (i.item) { Printf(output, "case '%s': ", mangled); } else { Printf(output, "default: "); } const char *classname = GetChar(class_node, "sym:name"); if (!classname) classname = GetChar(class_node, "name"); if (classname) Printf(output, "return new %s%s($r);\n", prefix, classname); else Printf(output, "return $r;\n"); Delete(mangled); } Printf(output, "\t\t}\n"); } } else { Printf(output, "\t\treturn %s;\n", invoke); } Printf(output, "\t}\n"); done: Delete(prepare); Delete(invoke); free(arg_values); Delete(args); args = NULL; for (int i = 0; i < max_num_of_arguments; ++i) { Delete(arg_names[i]); } free(arg_names); arg_names = NULL; } return SWIG_OK; } /* ------------------------------------------------------------ * globalvariableHandler() * ------------------------------------------------------------ */ virtual int globalvariableHandler(Node *n) { char *name = GetChar(n, "name"); char *iname = GetChar(n, "sym:name"); SwigType *t = Getattr(n, "type"); String *tm; /* First do the wrappers such as name_set(), name_get() * as provided by the baseclass's implementation of variableWrapper */ if (Language::globalvariableHandler(n) == SWIG_NOWRAP) { return SWIG_NOWRAP; } if (!addSymbol(iname, n)) return SWIG_ERROR; SwigType_remember(t); /* First link C variables to PHP */ tm = Swig_typemap_lookup("varinit", n, name, 0); if (tm) { Replaceall(tm, "$target", name); Printf(s_vinit, "%s\n", tm); } else { Printf(stderr, "%s: Line %d, Unable to link with type %s\n", input_file, line_number, SwigType_str(t, 0)); } /* Now generate PHP -> C sync blocks */ /* tm = Swig_typemap_lookup("varin", n, name, 0); if(tm) { Replaceall(tm, "$symname", iname); Printf(f_c->code, "%s\n", tm); } else { Printf(stderr,"%s: Line %d, Unable to link with type %s\n", input_file, line_number, SwigType_str(t, 0)); } */ /* Now generate C -> PHP sync blocks */ /* if(!GetFlag(n,"feature:immutable")) { tm = Swig_typemap_lookup("varout", n, name, 0); if(tm) { Replaceall(tm, "$symname", iname); Printf(f_php->code, "%s\n", tm); } else { Printf(stderr,"%s: Line %d, Unable to link with type %s\n", input_file, line_number, SwigType_str(t, 0)); } } */ return SWIG_OK; } /* ------------------------------------------------------------ * constantWrapper() * ------------------------------------------------------------ */ virtual int constantWrapper(Node *n) { String *name = GetChar(n, "name"); String *iname = GetChar(n, "sym:name"); SwigType *type = Getattr(n, "type"); String *rawval = Getattr(n, "rawval"); String *value = rawval ? rawval : Getattr(n, "value"); String *tm; if (!addSymbol(iname, n)) return SWIG_ERROR; SwigType_remember(type); if ((tm = Swig_typemap_lookup("consttab", n, name, 0))) { Replaceall(tm, "$source", value); Replaceall(tm, "$target", name); Replaceall(tm, "$value", value); Printf(s_cinit, "%s\n", tm); } if (shadow) { String *enumvalue = GetChar(n, "enumvalue"); String *set_to = iname; if (!enumvalue) { enumvalue = GetChar(n, "enumvalueex"); } if (enumvalue) { // Check for a simple constant expression which is valid in PHP. // If we find one, initialise the const member with it; otherwise // we initialise it using the C/C++ wrapped constant. const char *p; for (p = Char(enumvalue); *p; ++p) { if (!isdigit((unsigned char)*p) && !strchr(" +-", *p)) { // FIXME: enhance to handle ` + 1' which is what // we get for enums that don't have an explicit value set. break; } } if (!*p) set_to = enumvalue; } if (wrapping_member_constant) { if (!s_oowrappers) s_oowrappers = NewStringEmpty(); Printf(s_oowrappers, "\n\tconst %s = %s;\n", wrapping_member_constant, set_to); } else { if (!s_fakeoowrappers) s_fakeoowrappers = NewStringEmpty(); Printf(s_fakeoowrappers, "\n\tconst %s = %s;\n", iname, set_to); } } return SWIG_OK; } /* * PHP::pragma() * * Pragma directive. * * %pragma(php) code="String" # Includes a string in the .php file * %pragma(php) include="file.php" # Includes a file in the .php file */ virtual int pragmaDirective(Node *n) { if (!ImportMode) { String *lang = Getattr(n, "lang"); String *type = Getattr(n, "name"); String *value = Getattr(n, "value"); if (Strcmp(lang, "php") == 0 || Strcmp(lang, "php4") == 0) { if (Strcmp(type, "code") == 0) { if (value) { Printf(pragma_code, "%s\n", value); } } else if (Strcmp(type, "include") == 0) { if (value) { Printf(pragma_incl, "include '%s';\n", value); } } else if (Strcmp(type, "phpinfo") == 0) { if (value) { Printf(pragma_phpinfo, "%s\n", value); } } else { Swig_warning(WARN_PHP_UNKNOWN_PRAGMA, input_file, line_number, "Unrecognized pragma <%s>.\n", type); } } } return Language::pragmaDirective(n); } /* ------------------------------------------------------------ * classDeclaration() * ------------------------------------------------------------ */ virtual int classDeclaration(Node *n) { if (!Getattr(n, "feature:onlychildren")) { String *symname = Getattr(n, "sym:name"); Setattr(n, "php:proxy", symname); } return Language::classDeclaration(n); } /* ------------------------------------------------------------ * classHandler() * ------------------------------------------------------------ */ virtual int classHandler(Node *n) { constructors = 0; //SwigType *t = Getattr(n, "classtype"); current_class = n; // String *use_class_name=SwigType_manglestr(SwigType_ltype(t)); if (shadow) { char *rename = GetChar(n, "sym:name"); if (!addSymbol(rename, n)) return SWIG_ERROR; shadow_classname = NewString(rename); shadow_get_vars = NewHash(); shadow_set_vars = NewHash(); /* Deal with inheritance */ List *baselist = Getattr(n, "bases"); if (baselist) { Iterator base = First(baselist); while (base.item && GetFlag(base.item, "feature:ignore")) { base = Next(base); } base = Next(base); if (base.item) { /* Warn about multiple inheritance for additional base class(es) */ while (base.item) { if (GetFlag(base.item, "feature:ignore")) { base = Next(base); continue; } String *proxyclassname = SwigType_str(Getattr(n, "classtypeobj"), 0); String *baseclassname = SwigType_str(Getattr(base.item, "name"), 0); Swig_warning(WARN_PHP_MULTIPLE_INHERITANCE, input_file, line_number, "Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in PHP.\n", proxyclassname, baseclassname); base = Next(base); } } } } classnode = n; Language::classHandler(n); classnode = 0; if (shadow) { DOH *key; List *baselist = Getattr(n, "bases"); Iterator ki, base; if (baselist) { base = First(baselist); while (base.item && GetFlag(base.item, "feature:ignore")) { base = Next(base); } } else { base.item = NULL; } if (Getattr(n, "abstract") && !GetFlag(n, "feature:notabstract")) { Printf(s_phpclasses, "abstract "); } Printf(s_phpclasses, "class %s%s ", prefix, shadow_classname); String *baseclass = NULL; if (base.item && Getattr(base.item, "module")) { baseclass = Getattr(base.item, "sym:name"); if (!baseclass) baseclass = Getattr(base.item, "name"); Printf(s_phpclasses, "extends %s%s ", prefix, baseclass); } else if (GetFlag(n, "feature:exceptionclass")) { Append(s_phpclasses, "extends Exception "); } Printf(s_phpclasses, "{\n\tpublic $%s=null;\n", SWIG_PTR); if (!baseclass) { // Only store this in the base class (NB !baseclass means we *are* // a base class...) Printf(s_phpclasses, "\tprotected $%s=array();\n", SWIG_DATA); } // Write property SET handlers ki = First(shadow_set_vars); if (ki.key) { // This class has setters. Printf(s_phpclasses, "\n\tfunction __set($var,$value) {\n"); // FIXME: tune this threshold... if (Len(shadow_set_vars) <= 2) { // Not many setters, so avoid call_user_func. while (ki.key) { key = ki.key; Printf(s_phpclasses, "\t\tif ($var === '%s') return %s($this->%s,$value);\n", key, ki.item, SWIG_PTR); ki = Next(ki); } } else { Printf(s_phpclasses, "\t\t$func = '%s_'.$var.'_set';\n", shadow_classname); Printf(s_phpclasses, "\t\tif (function_exists($func)) return call_user_func($func,$this->%s,$value);\n", SWIG_PTR); } Printf(s_phpclasses, "\t\tif ($var === 'thisown') return swig_%s_alter_newobject($this->%s,$value);\n", module, SWIG_PTR); if (baseclass) { Printf(s_phpclasses, "\t\t%s%s::__set($var,$value);\n", prefix, baseclass); } else { Printf(s_phpclasses, "\t\t$this->%s[$var] = $value;\n", SWIG_DATA); } Printf(s_phpclasses, "\t}\n"); /* Create __isset for PHP 5.1 and later; PHP 5.0 will just ignore it. */ Printf(s_phpclasses, "\n\tfunction __isset($var) {\n"); Printf(s_phpclasses, "\t\tif (function_exists('%s_'.$var.'_set')) return true;\n", shadow_classname); Printf(s_phpclasses, "\t\tif ($var === 'thisown') return true;\n"); if (baseclass) { Printf(s_phpclasses, "\t\treturn %s%s::__isset($var);\n", prefix, baseclass); } else { Printf(s_phpclasses, "\t\treturn array_key_exists($var, $this->%s);\n", SWIG_DATA); } Printf(s_phpclasses, "\t}\n"); } else { Printf(s_phpclasses, "\n\tfunction __set($var,$value) {\n"); Printf(s_phpclasses, "\t\tif ($var === 'thisown') return swig_%s_alter_newobject($this->%s,$value);\n", module, SWIG_PTR); if (baseclass) { Printf(s_phpclasses, "\t\t%s%s::__set($var,$value);\n", prefix, baseclass); } else { Printf(s_phpclasses, "\t\t$this->%s[$var] = $value;\n", SWIG_DATA); } Printf(s_phpclasses, "\t}\n"); Printf(s_phpclasses, "\n\tfunction __isset($var) {\n"); Printf(s_phpclasses, "\t\tif ($var === 'thisown') return true;\n"); if (baseclass) { Printf(s_phpclasses, "\t\treturn %s%s::__isset($var);\n", prefix, baseclass); } else { Printf(s_phpclasses, "\t\treturn array_key_exists($var, $this->%s);\n", SWIG_DATA); } Printf(s_phpclasses, "\t}\n"); } // Write property GET handlers ki = First(shadow_get_vars); if (ki.key) { // This class has getters. Printf(s_phpclasses, "\n\tfunction __get($var) {\n"); // FIXME: Currently we always use call_user_func for __get, so we can // check and wrap the result. This is needless if all the properties // are primitive types. Also this doesn't handle all the cases which // a method returning an object does. Printf(s_phpclasses, "\t\t$func = '%s_'.$var.'_get';\n", shadow_classname); Printf(s_phpclasses, "\t\tif (function_exists($func)) {\n"); Printf(s_phpclasses, "\t\t\t$r = call_user_func($func,$this->%s);\n", SWIG_PTR); Printf(s_phpclasses, "\t\t\tif (!is_resource($r)) return $r;\n"); if (Len(prefix) == 0) { Printf(s_phpclasses, "\t\t\t$c=substr(get_resource_type($r), (strpos(get_resource_type($r), '__') ? strpos(get_resource_type($r), '__') + 2 : 3));\n"); } else { Printf(s_phpclasses, "\t\t\t$c='%s'.substr(get_resource_type($r), (strpos(get_resource_type($r), '__') ? strpos(get_resource_type($r), '__') + 2 : 3));\n", prefix); } Printf(s_phpclasses, "\t\t\treturn new $c($r);\n"); Printf(s_phpclasses, "\t\t}\n"); Printf(s_phpclasses, "\t\tif ($var === 'thisown') return swig_%s_get_newobject($this->%s);\n", module, SWIG_PTR); if (baseclass) { Printf(s_phpclasses, "\t\treturn %s%s::__get($var);\n", prefix, baseclass); } else { // Reading an unknown property name gives null in PHP. Printf(s_phpclasses, "\t\treturn $this->%s[$var];\n", SWIG_DATA); } Printf(s_phpclasses, "\t}\n"); } else { Printf(s_phpclasses, "\n\tfunction __get($var) {\n"); Printf(s_phpclasses, "\t\tif ($var === 'thisown') return swig_%s_get_newobject($this->%s);\n", module, SWIG_PTR); if (baseclass) { Printf(s_phpclasses, "\t\treturn %s%s::__get($var);\n", prefix, baseclass); } else { Printf(s_phpclasses, "\t\treturn $this->%s[$var];\n", SWIG_DATA); } Printf(s_phpclasses, "\t}\n"); } if (!class_has_ctor) { Printf(s_phpclasses, "\tfunction __construct($h) {\n"); Printf(s_phpclasses, "\t\t$this->%s=$h;\n", SWIG_PTR); Printf(s_phpclasses, "\t}\n"); } if (s_oowrappers) { Printf(s_phpclasses, "%s", s_oowrappers); Delete(s_oowrappers); s_oowrappers = NULL; } class_has_ctor = false; Printf(s_phpclasses, "}\n\n"); Delete(shadow_classname); shadow_classname = NULL; Delete(shadow_set_vars); shadow_set_vars = NULL; Delete(shadow_get_vars); shadow_get_vars = NULL; } return SWIG_OK; } /* ------------------------------------------------------------ * memberfunctionHandler() * ------------------------------------------------------------ */ virtual int memberfunctionHandler(Node *n) { wrapperType = memberfn; Language::memberfunctionHandler(n); wrapperType = standard; return SWIG_OK; } /* ------------------------------------------------------------ * membervariableHandler() * ------------------------------------------------------------ */ virtual int membervariableHandler(Node *n) { wrapperType = membervar; Language::membervariableHandler(n); wrapperType = standard; return SWIG_OK; } /* ------------------------------------------------------------ * staticmembervariableHandler() * ------------------------------------------------------------ */ virtual int staticmembervariableHandler(Node *n) { wrapperType = staticmembervar; Language::staticmembervariableHandler(n); wrapperType = standard; return SWIG_OK; } /* ------------------------------------------------------------ * staticmemberfunctionHandler() * ------------------------------------------------------------ */ virtual int staticmemberfunctionHandler(Node *n) { wrapperType = staticmemberfn; Language::staticmemberfunctionHandler(n); wrapperType = standard; return SWIG_OK; } int abstractConstructorHandler(Node *) { return SWIG_OK; } /* ------------------------------------------------------------ * constructorHandler() * ------------------------------------------------------------ */ virtual int constructorHandler(Node *n) { constructors++; if (Swig_directorclass(n)) { String *name = GetChar(Swig_methodclass(n), "name"); String *ctype = GetChar(Swig_methodclass(n), "classtype"); String *sname = GetChar(Swig_methodclass(n), "sym:name"); String *args = NewStringEmpty(); ParmList *p = Getattr(n, "parms"); int i; for (i = 0; p; p = nextSibling(p), i++) { if (i) { Printf(args, ", "); } if (Strcmp(GetChar(p, "type"), SwigType_str(GetChar(p, "type"), 0))) { SwigType *t = Getattr(p, "type"); Printf(args, "%s", SwigType_rcaststr(t, 0)); if (SwigType_isreference(t)) { Append(args, "*"); } } Printf(args, "arg%d", i+1); } /* director ctor code is specific for each class */ Delete(director_ctor_code); director_ctor_code = NewStringEmpty(); director_prot_ctor_code = NewStringEmpty(); Printf(director_ctor_code, "if ( arg0->type == IS_NULL ) { /* not subclassed */\n"); Printf(director_prot_ctor_code, "if ( arg0->type == IS_NULL ) { /* not subclassed */\n"); Printf(director_ctor_code, " result = (%s *)new %s(%s);\n", ctype, ctype, args); Printf(director_prot_ctor_code, " SWIG_PHP_Error(E_ERROR, \"accessing abstract class or protected constructor\");\n", name, name, args); if (i) { Insert(args, 0, ", "); } Printf(director_ctor_code, "} else {\n result = (%s *)new SwigDirector_%s(arg0%s);\n}\n", ctype, sname, args); Printf(director_prot_ctor_code, "} else {\n result = (%s *)new SwigDirector_%s(arg0%s);\n}\n", ctype, sname, args); Delete(args); wrapperType = directorconstructor; } else { wrapperType = constructor; } Language::constructorHandler(n); wrapperType = standard; return SWIG_OK; } /* ------------------------------------------------------------ * CreateZendListDestructor() * ------------------------------------------------------------ */ //virtual int destructorHandler(Node *n) { //} int CreateZendListDestructor(Node *n) { String *name = GetChar(Swig_methodclass(n), "name"); String *iname = GetChar(n, "sym:name"); ParmList *l = Getattr(n, "parms"); String *destructorname = NewStringEmpty(); Printf(destructorname, "_%s", Swig_name_wrapper(iname)); Setattr(classnode, "destructor", destructorname); Wrapper *f = NewWrapper(); Printf(f->def, "/* This function is designed to be called by the zend list destructors */\n"); Printf(f->def, "/* to typecast and do the actual destruction */\n"); Printf(f->def, "static void %s(zend_rsrc_list_entry *rsrc, const char *type_name TSRMLS_DC) {\n", destructorname); Wrapper_add_localv(f, "value", "swig_object_wrapper *value=(swig_object_wrapper *) rsrc->ptr", NIL); Wrapper_add_localv(f, "ptr", "void *ptr=value->ptr", NIL); Wrapper_add_localv(f, "newobject", "int newobject=value->newobject", NIL); emit_parameter_variables(l, f); emit_attach_parmmaps(l, f); // Get type of first arg, thing to be destructed // Skip ignored arguments Parm *p = l; //while (Getattr(p,"tmap:ignore")) {p = Getattr(p,"tmap:ignore:next");} while (checkAttribute(p, "tmap:in:numinputs", "0")) { p = Getattr(p, "tmap:in:next"); } SwigType *pt = Getattr(p, "type"); Printf(f->code, " efree(value);\n"); Printf(f->code, " if (! newobject) return; /* can't delete it! */\n"); Printf(f->code, " arg1 = (%s)SWIG_ZTS_ConvertResourceData(ptr,type_name,SWIGTYPE%s TSRMLS_CC);\n", SwigType_lstr(pt, 0), SwigType_manglestr(pt)); Printf(f->code, " if (! arg1) zend_error(E_ERROR, \"%s resource already free'd\");\n", Char(name)); Setattr(n, "wrap:name", destructorname); String *actioncode = emit_action(n); Append(f->code, actioncode); Delete(actioncode); Append(f->code, "return;\n"); Append(f->code, "fail:\n"); Append(f->code, "zend_error_noreturn(SWIG_ErrorCode(),\"%s\",SWIG_ErrorMsg());\n"); Printf(f->code, "}\n"); Wrapper_print(f, s_wrappers); return SWIG_OK; } /* ------------------------------------------------------------ * memberconstantHandler() * ------------------------------------------------------------ */ virtual int memberconstantHandler(Node *n) { wrapping_member_constant = Getattr(n, "sym:name"); Language::memberconstantHandler(n); wrapping_member_constant = NULL; return SWIG_OK; } int classDirectorInit(Node *n) { String *declaration = Swig_director_declaration(n); Printf(f_directors_h, "%s\n", declaration); Printf(f_directors_h, "public:\n"); Delete(declaration); return Language::classDirectorInit(n); } int classDirectorEnd(Node *n) { Printf(f_directors_h, "};\n"); return Language::classDirectorEnd(n); } int classDirectorConstructor(Node *n) { Node *parent = Getattr(n, "parentNode"); String *decl = Getattr(n, "decl"); String *supername = Swig_class_name(parent); String *classname = NewStringEmpty(); Printf(classname, "SwigDirector_%s", supername); /* insert self parameter */ Parm *p; ParmList *superparms = Getattr(n, "parms"); ParmList *parms = CopyParmList(superparms); String *type = NewString("zval"); SwigType_add_pointer(type); p = NewParm(type, NewString("self")); set_nextSibling(p, parms); parms = p; if (!Getattr(n, "defaultargs")) { /* constructor */ { Wrapper *w = NewWrapper(); String *call; String *basetype = Getattr(parent, "classtype"); String *target = Swig_method_decl(0, decl, classname, parms, 0, 0); call = Swig_csuperclass_call(0, basetype, superparms); Printf(w->def, "%s::%s: %s, Swig::Director(self) {", classname, target, call); Append(w->def, "}"); Delete(target); Wrapper_print(w, f_directors); Delete(call); DelWrapper(w); } /* constructor header */ { String *target = Swig_method_decl(0, decl, classname, parms, 0, 1); Printf(f_directors_h, " %s;\n", target); Delete(target); } } return Language::classDirectorConstructor(n); } int classDirectorMethod(Node *n, Node *parent, String *super) { int is_void = 0; int is_pointer = 0; String *decl; String *type; String *name; String *classname; String *c_classname = Getattr(parent, "name"); String *declaration; ParmList *l; Wrapper *w; String *tm; String *wrap_args = NewStringEmpty(); String *return_type; String *value = Getattr(n, "value"); String *storage = Getattr(n, "storage"); bool pure_virtual = false; int status = SWIG_OK; int idx; bool ignored_method = GetFlag(n, "feature:ignore") ? true : false; if (Cmp(storage, "virtual") == 0) { if (Cmp(value, "0") == 0) { pure_virtual = true; } } classname = Getattr(parent, "sym:name"); type = Getattr(n, "type"); name = Getattr(n, "name"); w = NewWrapper(); declaration = NewStringEmpty(); /* determine if the method returns a pointer */ decl = Getattr(n, "decl"); is_pointer = SwigType_ispointer_return(decl); is_void = (Cmp(type, "void") == 0 && !is_pointer); /* form complete return type */ return_type = Copy(type); { SwigType *t = Copy(decl); SwigType *f = SwigType_pop_function(t); SwigType_push(return_type, t); Delete(f); Delete(t); } /* virtual method definition */ l = Getattr(n, "parms"); String *target; String *pclassname = NewStringf("SwigDirector_%s", classname); String *qualified_name = NewStringf("%s::%s", pclassname, name); SwigType *rtype = Getattr(n, "conversion_operator") ? 0 : type; target = Swig_method_decl(rtype, decl, qualified_name, l, 0, 0); Printf(w->def, "%s", target); Delete(qualified_name); Delete(target); /* header declaration */ target = Swig_method_decl(rtype, decl, name, l, 0, 1); Printf(declaration, " virtual %s", target); Delete(target); // Get any exception classes in the throws typemap ParmList *throw_parm_list = 0; if ((throw_parm_list = Getattr(n, "throws")) || Getattr(n, "throw")) { Parm *p; int gencomma = 0; Append(w->def, " throw("); Append(declaration, " throw("); if (throw_parm_list) Swig_typemap_attach_parms("throws", throw_parm_list, 0); for (p = throw_parm_list; p; p = nextSibling(p)) { if ((tm = Getattr(p, "tmap:throws"))) { if (gencomma++) { Append(w->def, ", "); Append(declaration, ", "); } String *str = SwigType_str(Getattr(p, "type"), 0); Append(w->def, str); Append(declaration, str); Delete(str); } } Append(w->def, ")"); Append(declaration, ")"); } Append(w->def, " {"); Append(declaration, ";\n"); /* declare method return value * if the return value is a reference or const reference, a specialized typemap must * handle it, including declaration of c_result ($result). */ if (!is_void) { if (!(ignored_method && !pure_virtual)) { String *cres = SwigType_lstr(return_type, "c_result"); Printf(w->code, "%s;\n", cres); Delete(cres); } } if (ignored_method) { if (!pure_virtual) { if (!is_void) Printf(w->code, "return "); String *super_call = Swig_method_call(super, l); Printf(w->code, "%s;\n", super_call); Delete(super_call); } else { Printf(w->code, "Swig::DirectorPureVirtualException::raise(\"Attempted to invoke pure virtual method %s::%s\");\n", SwigType_namestr(c_classname), SwigType_namestr(name)); } } else { /* attach typemaps to arguments (C/C++ -> PHP) */ String *parse_args = NewStringEmpty(); /* remove the wrapper 'w' since it was producing spurious temps */ Swig_typemap_attach_parms("in", l, 0); Swig_typemap_attach_parms("directorin", l, 0); Swig_typemap_attach_parms("directorargout", l, w); Parm *p; char source[256]; int outputs = 0; if (!is_void) outputs++; /* build argument list and type conversion string */ idx = 0; p = l; int use_parse = 0; while (p != NULL) { if (checkAttribute(p, "tmap:in:numinputs", "0")) { p = Getattr(p, "tmap:in:next"); continue; } if (Getattr(p, "tmap:directorargout") != 0) outputs++; String *pname = Getattr(p, "name"); String *ptype = Getattr(p, "type"); if ((tm = Getattr(p, "tmap:directorin")) != 0) { String *parse = Getattr(p, "tmap:directorin:parse"); if (!parse) { sprintf(source, "obj%d", idx++); String *input = NewStringf("&%s", source); Replaceall(tm, "$input", input); Delete(input); Replaceall(tm, "$owner", "0"); Printv(wrap_args, "zval ", source, ";\n", NIL); Printf(wrap_args, "args[%d] = &%s;\n", idx - 1, source); Printv(wrap_args, tm, "\n", NIL); Putc('O', parse_args); } else { use_parse = 1; Append(parse_args, parse); Replaceall(tm, "$input", pname); Replaceall(tm, "$owner", "0"); if (Len(tm) == 0) Append(tm, pname); } p = Getattr(p, "tmap:directorin:next"); continue; } else if (Cmp(ptype, "void")) { Swig_warning(WARN_TYPEMAP_DIRECTORIN_UNDEF, input_file, line_number, "Unable to use type %s as a function argument in director method %s::%s (skipping method).\n", SwigType_str(ptype, 0), SwigType_namestr(c_classname), SwigType_namestr(name)); status = SWIG_NOWRAP; break; } p = nextSibling(p); } Append(w->code, "int error;\n"); if (!idx) { Printf(w->code, "zval **args = NULL;\n", idx); } else { Printf(w->code, "zval *args[%d];\n", idx); } Append(w->code, "zval *result, funcname;\n"); Append(w->code, "MAKE_STD_ZVAL(result);\n"); Printf(w->code, "ZVAL_STRING(&funcname, (char *)\"%s\", 0);\n", name); Append(w->code, "if (!swig_self) {\n"); Append(w->code, " SWIG_PHP_Error(E_ERROR, \"this pointer is NULL\");"); Append(w->code, "}\n\n"); /* wrap complex arguments to zvals */ Printv(w->code, wrap_args, NIL); Append(w->code, "call_user_function(EG(function_table), (zval**)&swig_self, &funcname,\n"); Printf(w->code, " result, %d, args TSRMLS_CC);\n", idx); /* exception handling */ tm = Swig_typemap_lookup("director:except", n, "result", 0); if (!tm) { tm = Getattr(n, "feature:director:except"); if (tm) tm = Copy(tm); } if ((tm) && Len(tm) && (Strcmp(tm, "1") != 0)) { Replaceall(tm, "$error", "error"); Printv(w->code, Str(tm), "\n", NIL); } Delete(tm); /* marshal return value from PHP to C/C++ type */ String *cleanup = NewStringEmpty(); String *outarg = NewStringEmpty(); idx = 0; /* marshal return value */ if (!is_void) { /* this seems really silly. the node's type excludes * qualifier/pointer/reference markers, which have to be retrieved * from the decl field to construct return_type. but the typemap * lookup routine uses the node's type, so we have to swap in and * out the correct type. it's not just me, similar silliness also * occurs in Language::cDeclaration(). */ Setattr(n, "type", return_type); tm = Swig_typemap_lookup("directorout", n, "result", w); Setattr(n, "type", type); if (tm != 0) { Replaceall(tm, "$input", "&result"); char temp[24]; sprintf(temp, "%d", idx); Replaceall(tm, "$argnum", temp); /* TODO check this */ if (Getattr(n, "wrap:disown")) { Replaceall(tm, "$disown", "SWIG_POINTER_DISOWN"); } else { Replaceall(tm, "$disown", "0"); } Replaceall(tm, "$result", "c_result"); Printv(w->code, tm, "\n", NIL); Delete(tm); } else { Swig_warning(WARN_TYPEMAP_DIRECTOROUT_UNDEF, input_file, line_number, "Unable to use return type %s in director method %s::%s (skipping method).\n", SwigType_str(return_type, 0), SwigType_namestr(c_classname), SwigType_namestr(name)); status = SWIG_ERROR; } } /* marshal outputs */ for (p = l; p;) { if ((tm = Getattr(p, "tmap:directorargout")) != 0) { Replaceall(tm, "$input", "result"); Replaceall(tm, "$result", Getattr(p, "name")); Printv(w->code, tm, "\n", NIL); p = Getattr(p, "tmap:directorargout:next"); } else { p = nextSibling(p); } } Append(w->code, "FREE_ZVAL(result);\n"); Delete(parse_args); Delete(cleanup); Delete(outarg); } if (!is_void) { if (!(ignored_method && !pure_virtual)) { String *rettype = SwigType_str(return_type, 0); if (!SwigType_isreference(return_type)) { Printf(w->code, "return (%s) c_result;\n", rettype); } else { Printf(w->code, "return (%s) *c_result;\n", rettype); } Delete(rettype); } } else { Append(w->code, "return;\n"); } Append(w->code, "fail:\n"); Append(w->code, "zend_error_noreturn(SWIG_ErrorCode(),\"%s\",SWIG_ErrorMsg());\n"); Append(w->code, "}\n"); // We expose protected methods via an extra public inline method which makes a straight call to the wrapped class' method String *inline_extra_method = NewStringEmpty(); if (dirprot_mode() && !is_public(n) && !pure_virtual) { Printv(inline_extra_method, declaration, NIL); String *extra_method_name = NewStringf("%sSwigPublic", name); Replaceall(inline_extra_method, name, extra_method_name); Replaceall(inline_extra_method, ";\n", " {\n "); if (!is_void) Printf(inline_extra_method, "return "); String *methodcall = Swig_method_call(super, l); Printv(inline_extra_method, methodcall, ";\n }\n", NIL); Delete(methodcall); Delete(extra_method_name); } /* emit the director method */ if (status == SWIG_OK) { if (!Getattr(n, "defaultargs")) { Wrapper_print(w, f_directors); Printv(f_directors_h, declaration, NIL); Printv(f_directors_h, inline_extra_method, NIL); } } /* clean up */ Delete(wrap_args); Delete(return_type); Delete(pclassname); DelWrapper(w); return status; } int classDirectorDisown(Node *) { return SWIG_OK; } }; /* class PHP */ static PHP *maininstance = 0; // We use this function to be able to write out zend_register_list_destructor_ex // lines for most things in the type table // NOTE: it's a function NOT A PHP::METHOD extern "C" void typetrace(SwigType *ty, String *mangled, String *clientdata) { Node *class_node; if (!zend_types) { zend_types = NewHash(); } // we want to know if the type which reduced to this has a constructor if ((class_node = maininstance->classLookup(ty))) { if (!Getattr(zend_types, mangled)) { // OK it may have been set before by a different SwigType but it would // have had the same underlying class node I think // - it is certainly required not to have different originating class // nodes for the same SwigType Setattr(zend_types, mangled, class_node); } } else { // a non-class pointer Setattr(zend_types, mangled, NOTCLASS); } if (r_prevtracefunc) (*r_prevtracefunc) (ty, mangled, (String *) clientdata); } /* ----------------------------------------------------------------------------- * new_swig_php() - Instantiate module * ----------------------------------------------------------------------------- */ static Language *new_swig_php() { maininstance = new PHP; if (!r_prevtracefunc) { r_prevtracefunc = SwigType_remember_trace(typetrace); } else { Printf(stderr, "php Typetrace vector already saved!\n"); assert(0); } return maininstance; } extern "C" Language *swig_php4(void) { Printf(stderr, "*** -php4 is no longer supported.\n" "*** Either upgrade to PHP5 or use SWIG 1.3.36 or earlier.\n"); SWIG_exit(EXIT_FAILURE); return NULL; // To avoid compiler warnings. } extern "C" Language *swig_php(void) { return new_swig_php(); }