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Merge branch 'interfaces'

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* interfaces:
  Documentation and CHANGES entry for interface feature
  interface macro argument name tweaks
  Change the name of the interface in %feature to be more portable
  Interface feature fix for typedef types
  Add limited support for %interface_impl and %shared_ptr
  Multiple inheritance warning wording tweak
  C# "override" fix for "extend" case
  Add checks for interface name symbol clashes
  interface feature test changes for the tests to pass for all languages
  Rename feature_interface.i to swiginterface.i
  Re-organization of the interface feature common code
  Port Java interface tests to C#
  Test %interface
  Test %interface_impl
  Use rstrip instead of regex encoder in %feature_rename
  Add rstrip encoder for use in %rename.
  Interface macros: %interface %interface_impl %interface_custom
  Add $interfacename family of special variable expansions
  Add multiple_inheritance_nspace testcase
  Interface name handling improvements and special variable changes
  Correct regex example comment
  Properly hide unexposed naming functions in naming.c
  C++ namespace testing for interface feature
  interface feature - SWIG_JAVABODY_PROXY does not need to be overridden
  Support namespaces and nspace with the interface feature for C#
  Support namespaces and nspace with the interface feature for Java
  Cosmetic test case changes
  Add Java premature garbage collection prevention parameter (pgcpp) to interface feature
  Create javainterfacecode and csinterfacecode typemaps
  IntPtr & HandleRef absolute names used
  virtual/override fix
  Improve interface feature checks
  Add another interface test selecting just one base as an interface
  Comments added to interface feature implementation and cosmetic code changes
  Add overloading tests for interface feature
  Refactor multiple inheritance warnings
  director generation fixes
  interface feature updates for C# latest on master
  interfaces branch merge fixes
  Remove unnecessary interfaces for concrete classes
  cosmetic code formatting changes
  Correct interface name attributes that are internal
  interface macro changes to support templates
  Test non-virtual method in Derived classes
  interface tests for a most derived class inheriting the interfaces further up the chain
  Rename GetCPtr/getCPtr to SWIGInterfaceUpcast
  interface feature support for const ref pointers (used by the STL)
  Interface feature support for arrays
  More interface feature testing for return values
  interface feature support for passing by value
  interface feature support for references
  Multiple inheritance parameters as pointers testing
  Simplify multiple_inheritance_abstract Java runtime test
  Warning fixes
  Rename test functions in multiple_inheritance_abstract testcase
  Formatting fixes in generated code for interface feature
  Cosmetic spacing changes in test case
  interface feature typemap corrections to handle NULL pointers
  interface test added
  javadirectorin fix
  interface implementation visibility
  interface inheritance (2)
  interface inheritance (1)
  feature:interface ported to Java
  propagate non-abstract "interface" base methods (3)
  propagate non-abstract "interface" base methods (2)
  propagate non-abstract "interface" base methods (1)
  namespace support added GetCPtr now returns HandleRef "feature:interface:name" is now mandatory attribute
  interfaces (1)
  interfaces (1)

Conflicts:
	CHANGES.current
This commit is contained in:
William S Fulton 2016-03-11 20:01:41 +00:00
commit 0f0345c214
39 changed files with 4624 additions and 255 deletions
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2
Source/Modules/allocate.cxx
View file

@ -729,6 +729,8 @@ Allocate():
}
}
Swig_interface_propagate_methods(n);
/* Only care about default behavior. Remove temporary values */
Setattr(n, "allocate:visit", "1");
Swig_symbol_setscope(symtab);

413
Source/Modules/csharp.cxx
View file

@ -52,6 +52,7 @@ class CSHARP:public Language {
String *imclass_class_code; // intermediary class code
String *proxy_class_def;
String *proxy_class_code;
String *interface_class_code; // if %feature("interface") was declared for a class, here goes the interface declaration
String *module_class_code;
String *proxy_class_name; // proxy class name
String *full_imclass_name; // fully qualified intermediary class name when using nspace feature, otherwise same as imclass_name
@ -126,6 +127,7 @@ public:
imclass_class_code(NULL),
proxy_class_def(NULL),
proxy_class_code(NULL),
interface_class_code(NULL),
module_class_code(NULL),
proxy_class_name(NULL),
full_imclass_name(NULL),
@ -272,6 +274,7 @@ public:
SWIG_config_file("csharp.swg");
allow_overloading();
Swig_interface_feature_enable();
}
/* ---------------------------------------------------------------------
@ -1643,6 +1646,119 @@ public:
return Language::pragmaDirective(n);
}
/* -----------------------------------------------------------------------------
* getQualifiedInterfaceName()
* ----------------------------------------------------------------------------- */
String *getQualifiedInterfaceName(Node *n) {
String *ret = Getattr(n, "interface:qname");
if (!ret) {
String *nspace = Getattr(n, "sym:nspace");
String *interface_name = Getattr(n, "interface:name");
if (nspace) {
if (namespce)
ret = NewStringf("%s.%s.%s", namespce, nspace, interface_name);
else
ret = NewStringf("%s.%s", nspace, interface_name);
} else {
ret = Copy(interface_name);
}
Setattr(n, "interface:qname", ret);
}
return ret;
}
/* -----------------------------------------------------------------------------
* getInterfaceName()
* ----------------------------------------------------------------------------- */
String *getInterfaceName(SwigType *t, bool qualified) {
String *interface_name = NULL;
if (proxy_flag) {
Node *n = classLookup(t);
if (n && Getattr(n, "interface:name"))
interface_name = qualified ? getQualifiedInterfaceName(n) : Getattr(n, "interface:name");
}
return interface_name;
}
/* -----------------------------------------------------------------------------
* addInterfaceNameAndUpcasts()
* ----------------------------------------------------------------------------- */
void addInterfaceNameAndUpcasts(SwigType *smart, String *interface_list, String *interface_upcasts, Hash *base_list, String *c_classname) {
List *keys = Keys(base_list);
for (Iterator it = First(keys); it.item; it = Next(it)) {
Node *base = Getattr(base_list, it.item);
String *c_baseclass = SwigType_namestr(Getattr(base, "name"));
String *interface_name = Getattr(base, "interface:name");
if (Len(interface_list))
Append(interface_list, ", ");
Append(interface_list, interface_name);
Node *attributes = NewHash();
String *interface_code = Copy(typemapLookup(base, "csinterfacecode", Getattr(base, "classtypeobj"), WARN_CSHARP_TYPEMAP_INTERFACECODE_UNDEF, attributes));
String *cptr_method_name = 0;
if (interface_code) {
Replaceall(interface_code, "$interfacename", interface_name);
Printv(interface_upcasts, interface_code, NIL);
cptr_method_name = Copy(Getattr(attributes, "tmap:csinterfacecode:cptrmethod"));
}
if (!cptr_method_name)
cptr_method_name = NewStringf("%s_GetInterfaceCPtr", interface_name);
Replaceall(cptr_method_name, ".", "_");
Replaceall(cptr_method_name, "$interfacename", interface_name);
String *upcast_method_name = Swig_name_member(getNSpace(), proxy_class_name, cptr_method_name);
upcastsCode(smart, upcast_method_name, c_classname, c_baseclass);
Delete(upcast_method_name);
Delete(cptr_method_name);
Delete(interface_code);
Delete(c_baseclass);
}
Delete(keys);
}
/* -----------------------------------------------------------------------------
* upcastsCode()
*
* Add code for C++ casting to base class
* ----------------------------------------------------------------------------- */
void upcastsCode(SwigType *smart, String *upcast_method_name, String *c_classname, String *c_baseclass) {
String *wname = Swig_name_wrapper(upcast_method_name);
Printv(imclass_cppcasts_code, "\n [global::System.Runtime.InteropServices.DllImport(\"", dllimport, "\", EntryPoint=\"", wname, "\")]\n", NIL);
Printf(imclass_cppcasts_code, " public static extern global::System.IntPtr %s(global::System.IntPtr jarg1);\n", upcast_method_name);
Replaceall(imclass_cppcasts_code, "$csclassname", proxy_class_name);
if (smart) {
SwigType *bsmart = Copy(smart);
SwigType *rclassname = SwigType_typedef_resolve_all(c_classname);
SwigType *rbaseclass = SwigType_typedef_resolve_all(c_baseclass);
Replaceall(bsmart, rclassname, rbaseclass);
Delete(rclassname);
Delete(rbaseclass);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
Printv(upcasts_code,
"SWIGEXPORT ", bsmartnamestr, " * SWIGSTDCALL ", wname, "(", smartnamestr, " *jarg1) {\n",
" return jarg1 ? new ", bsmartnamestr, "(*jarg1) : 0;\n"
"}\n", "\n", NIL);
Delete(bsmartnamestr);
Delete(smartnamestr);
Delete(bsmart);
} else {
Printv(upcasts_code,
"SWIGEXPORT ", c_baseclass, " * SWIGSTDCALL ", wname, "(", c_classname, " *jarg1) {\n",
" return (", c_baseclass, " *)jarg1;\n"
"}\n", "\n", NIL);
}
Delete(wname);
}
/* -----------------------------------------------------------------------------
* emitProxyClassDefAndCPPCasts()
* ----------------------------------------------------------------------------- */
@ -1652,9 +1768,12 @@ public:
String *c_baseclass = NULL;
String *baseclass = NULL;
String *c_baseclassname = NULL;
String *interface_list = NewStringEmpty();
String *interface_upcasts = NewStringEmpty();
SwigType *typemap_lookup_type = Getattr(n, "classtypeobj");
bool feature_director = Swig_directorclass(n) ? true : false;
bool has_outerclass = Getattr(n, "nested:outer") != 0 && !GetFlag(n, "feature:flatnested");
SwigType *smart = Swig_cparse_smartptr(n);
// Inheritance from pure C# classes
Node *attributes = NewHash();
@ -1667,31 +1786,29 @@ public:
if (!purebase_replace) {
List *baselist = Getattr(n, "bases");
if (baselist) {
Iterator base = First(baselist);
while (base.item && GetFlag(base.item, "feature:ignore")) {
base = Next(base);
}
if (base.item) {
c_baseclassname = Getattr(base.item, "name");
baseclass = Copy(getProxyName(c_baseclassname));
if (baseclass)
c_baseclass = SwigType_namestr(Getattr(base.item, "name"));
base = Next(base);
/* Warn about multiple inheritance for additional base class(es) */
while (base.item) {
if (GetFlag(base.item, "feature:ignore")) {
base = Next(base);
continue;
}
String *proxyclassname = Getattr(n, "classtypeobj");
String *baseclassname = Getattr(base.item, "name");
Swig_warning(WARN_CSHARP_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in C#.\n", SwigType_namestr(proxyclassname), SwigType_namestr(baseclassname));
base = Next(base);
}
}
Iterator base = First(baselist);
while (base.item) {
if (!(GetFlag(base.item, "feature:ignore") || Getattr(base.item, "feature:interface"))) {
String *baseclassname = Getattr(base.item, "name");
if (!c_baseclassname) {
c_baseclassname = baseclassname;
baseclass = Copy(getProxyName(baseclassname));
if (baseclass)
c_baseclass = SwigType_namestr(baseclassname);
} else {
/* Warn about multiple inheritance for additional base class(es) */
String *proxyclassname = Getattr(n, "classtypeobj");
Swig_warning(WARN_CSHARP_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s, base %s ignored. Multiple inheritance is not supported in C#.\n", SwigType_namestr(proxyclassname), SwigType_namestr(baseclassname));
}
}
base = Next(base);
}
}
}
Hash *interface_bases = Getattr(n, "interface:bases");
if (interface_bases)
addInterfaceNameAndUpcasts(smart, interface_list, interface_upcasts, interface_bases, c_classname);
bool derived = baseclass && getProxyName(c_baseclassname);
if (derived && purebase_notderived)
@ -1707,12 +1824,15 @@ public:
Swig_error(Getfile(n), Getline(n), "The csbase typemap for proxy %s must contain just one of the 'replace' or 'notderived' attributes.\n", typemap_lookup_type);
} else if (Len(pure_baseclass) > 0 && Len(baseclass) > 0) {
Swig_warning(WARN_CSHARP_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in C#. "
"Warning for %s, base %s ignored. Multiple inheritance is not supported in C#. "
"Perhaps you need one of the 'replace' or 'notderived' attributes in the csbase typemap?\n", typemap_lookup_type, pure_baseclass);
}
// Pure C# interfaces
const String *pure_interfaces = typemapLookup(n, derived ? "csinterfaces_derived" : "csinterfaces", typemap_lookup_type, WARN_NONE);
if (*Char(interface_list) && *Char(pure_interfaces))
Append(interface_list, ", ");
Append(interface_list, pure_interfaces);
// Start writing the proxy class
if (!has_outerclass)
Printv(proxy_class_def, typemapLookup(n, "csimports", typemap_lookup_type, WARN_NONE), // Import statements
@ -1725,8 +1845,8 @@ public:
Printv(proxy_class_def, typemapLookup(n, "csclassmodifiers", typemap_lookup_type, WARN_CSHARP_TYPEMAP_CLASSMOD_UNDEF), // Class modifiers
" $csclassname", // Class name and base class
(*Char(wanted_base) || *Char(pure_interfaces)) ? " : " : "", wanted_base, (*Char(wanted_base) && *Char(pure_interfaces)) ? // Interfaces
", " : "", pure_interfaces, " {", derived ? typemapLookup(n, "csbody_derived", typemap_lookup_type, WARN_CSHARP_TYPEMAP_CSBODY_UNDEF) : // main body of class
(*Char(wanted_base) || *Char(interface_list)) ? " : " : "", wanted_base, (*Char(wanted_base) && *Char(interface_list)) ? // Interfaces
", " : "", interface_list, " {", derived ? typemapLookup(n, "csbody_derived", typemap_lookup_type, WARN_CSHARP_TYPEMAP_CSBODY_UNDEF) : // main body of class
typemapLookup(n, "csbody", typemap_lookup_type, WARN_CSHARP_TYPEMAP_CSBODY_UNDEF), // main body of class
NIL);
@ -1771,6 +1891,8 @@ public:
Printv(proxy_class_def, "\n ", destruct_methodmodifiers, " ", derived ? "override" : "virtual", " void ", destruct_methodname, "() ", destruct, "\n",
NIL);
}
if (*Char(interface_upcasts))
Printv(proxy_class_def, interface_upcasts, NIL);
if (feature_director) {
// Generate director connect method
@ -1852,6 +1974,8 @@ public:
Delete(director_connect_method_name);
}
Delete(interface_upcasts);
Delete(interface_list);
Delete(attributes);
Delete(destruct);
@ -1859,54 +1983,92 @@ public:
Printv(proxy_class_def, typemapLookup(n, "cscode", typemap_lookup_type, WARN_NONE), // extra C# code
"\n", NIL);
// Add code to do C++ casting to base class (only for classes in an inheritance hierarchy)
if (derived) {
SwigType *smart = Swig_cparse_smartptr(n);
String *upcast_method = Swig_name_member(getNSpace(), getClassPrefix(), smart != 0 ? "SWIGSmartPtrUpcast" : "SWIGUpcast");
String *wname = Swig_name_wrapper(upcast_method);
Printv(imclass_cppcasts_code, "\n [global::System.Runtime.InteropServices.DllImport(\"", dllimport, "\", EntryPoint=\"", wname, "\")]\n", NIL);
Printf(imclass_cppcasts_code, " public static extern global::System.IntPtr %s(global::System.IntPtr jarg1);\n", upcast_method);
Replaceall(imclass_cppcasts_code, "$csclassname", proxy_class_name);
if (smart) {
SwigType *bsmart = Copy(smart);
SwigType *rclassname = SwigType_typedef_resolve_all(c_classname);
SwigType *rbaseclass = SwigType_typedef_resolve_all(c_baseclass);
Replaceall(bsmart, rclassname, rbaseclass);
Delete(rclassname);
Delete(rbaseclass);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
Printv(upcasts_code,
"SWIGEXPORT ", bsmartnamestr, " * SWIGSTDCALL ", wname, "(", smartnamestr, " *jarg1) {\n",
" return jarg1 ? new ", bsmartnamestr, "(*jarg1) : 0;\n"
"}\n", "\n", NIL);
Delete(bsmartnamestr);
Delete(smartnamestr);
Delete(bsmart);
} else {
Printv(upcasts_code,
"SWIGEXPORT ", c_baseclass, " * SWIGSTDCALL ", wname, "(", c_classname, " *jarg1) {\n",
" return (", c_baseclass, " *)jarg1;\n"
"}\n", "\n", NIL);
}
Delete(wname);
Delete(upcast_method);
Delete(smart);
String *upcast_method_name = Swig_name_member(getNSpace(), getClassPrefix(), smart != 0 ? "SWIGSmartPtrUpcast" : "SWIGUpcast");
upcastsCode(smart, upcast_method_name, c_classname, c_baseclass);
Delete(upcast_method_name);
}
Delete(smart);
Delete(baseclass);
}
/* ----------------------------------------------------------------------
* emitInterfaceDeclaration()
* ---------------------------------------------------------------------- */
void emitInterfaceDeclaration(Node *n, String *interface_name, File *f_interface) {
Printv(f_interface, typemapLookup(n, "csimports", Getattr(n, "classtypeobj"), WARN_NONE), "\n", NIL);
Printf(f_interface, "public interface %s", interface_name);
if (List *baselist = Getattr(n, "bases")) {
String *bases = 0;
for (Iterator base = First(baselist); base.item; base = Next(base)) {
if (GetFlag(base.item, "feature:ignore") || !Getattr(base.item, "feature:interface"))
continue; // TODO: warn about skipped non-interface bases
String *base_iname = Getattr(base.item, "interface:name");
if (!bases)
bases = NewStringf(" : %s", base_iname);
else {
Append(bases, ", ");
Append(bases, base_iname);
}
}
if (bases) {
Printv(f_interface, bases, NIL);
Delete(bases);
}
}
Printf(f_interface, " {\n");
Node *attributes = NewHash();
String *interface_code = Copy(typemapLookup(n, "csinterfacecode", Getattr(n, "classtypeobj"), WARN_CSHARP_TYPEMAP_INTERFACECODE_UNDEF, attributes));
if (interface_code) {
String *interface_declaration = Copy(Getattr(attributes, "tmap:csinterfacecode:declaration"));
if (interface_declaration) {
Replaceall(interface_declaration, "$interfacename", interface_name);
Printv(f_interface, interface_declaration, NIL);
Delete(interface_declaration);
}
Delete(interface_code);
}
}
/* ----------------------------------------------------------------------
* calculateDirectBase()
* ---------------------------------------------------------------------- */
void calculateDirectBase(Node* n) {
Node* direct_base = 0;
// C++ inheritance
Node *attributes = NewHash();
SwigType *typemap_lookup_type = Getattr(n, "classtypeobj");
const String *pure_baseclass = typemapLookup(n, "csbase", typemap_lookup_type, WARN_NONE, attributes);
bool purebase_replace = GetFlag(attributes, "tmap:csbase:replace") ? true : false;
bool purebase_notderived = GetFlag(attributes, "tmap:csbase:notderived") ? true : false;
Delete(attributes);
if (!purebase_replace) {
if (List *baselist = Getattr(n, "bases")) {
Iterator base = First(baselist);
while (base.item && (GetFlag(base.item, "feature:ignore") || Getattr(base.item, "feature:interface")))
base = Next(base);
direct_base = base.item;
}
if (!direct_base && purebase_notderived)
direct_base = symbolLookup(const_cast<String*>(pure_baseclass));
} else {
direct_base = symbolLookup(const_cast<String*>(pure_baseclass));
}
Setattr(n, "direct_base", direct_base);
}
/* ----------------------------------------------------------------------
* classHandler()
* ---------------------------------------------------------------------- */
virtual int classHandler(Node *n) {
String *nspace = getNSpace();
File *f_proxy = NULL;
File *f_interface = NULL;
// save class local variables
String *old_proxy_class_name = proxy_class_name;
String *old_full_imclass_name = full_imclass_name;
@ -1915,9 +2077,12 @@ public:
String *old_proxy_class_def = proxy_class_def;
String *old_proxy_class_code = proxy_class_code;
bool has_outerclass = Getattr(n, "nested:outer") && !GetFlag(n, "feature:flatnested");
String *old_interface_class_code = interface_class_code;
interface_class_code = 0;
if (proxy_flag) {
proxy_class_name = NewString(Getattr(n, "sym:name"));
String *interface_name = Getattr(n, "feature:interface") ? Getattr(n, "interface:name") : 0;
if (Node *outer = Getattr(n, "nested:outer")) {
String *outerClassesPrefix = Copy(Getattr(outer, "sym:name"));
for (outer = Getattr(outer, "nested:outer"); outer != 0; outer = Getattr(outer, "nested:outer")) {
@ -1927,13 +2092,16 @@ public:
String *fnspace = nspace ? NewStringf("%s.%s", nspace, outerClassesPrefix) : outerClassesPrefix;
if (!addSymbol(proxy_class_name, n, fnspace))
return SWIG_ERROR;
if (interface_name && !addInterfaceSymbol(interface_name, n, fnspace))
return SWIG_ERROR;
if (nspace)
Delete(fnspace);
Delete(outerClassesPrefix);
}
else {
} else {
if (!addSymbol(proxy_class_name, n, nspace))
return SWIG_ERROR;
if (interface_name && !addInterfaceSymbol(interface_name, n, nspace))
return SWIG_ERROR;
}
if (!nspace) {
@ -1960,13 +2128,25 @@ public:
f_proxy = getOutputFile(output_directory, proxy_class_name);
addOpenNamespace(nspace, f_proxy);
Delete(output_directory);
}
else
++nesting_depth;
proxy_class_def = NewString("");
proxy_class_code = NewString("");
destructor_call = NewString("");
proxy_class_constants_code = NewString("");
if (Getattr(n, "feature:interface")) {
interface_class_code = NewString("");
String *output_directory = outputDirectory(nspace);
f_interface = getOutputFile(output_directory, interface_name);
addOpenNamespace(nspace, f_interface);
emitInterfaceDeclaration(n, interface_name, interface_class_code);
Delete(output_directory);
}
calculateDirectBase(n);
}
Language::classHandler(n);
@ -1980,22 +2160,28 @@ public:
Replaceall(proxy_class_def, "$csclassname", proxy_class_name);
Replaceall(proxy_class_code, "$csclassname", proxy_class_name);
Replaceall(proxy_class_constants_code, "$csclassname", proxy_class_name);
Replaceall(interface_class_code, "$csclassname", proxy_class_name);
Replaceall(proxy_class_def, "$csclazzname", csclazzname);
Replaceall(proxy_class_code, "$csclazzname", csclazzname);
Replaceall(proxy_class_constants_code, "$csclazzname", csclazzname);
Replaceall(interface_class_code, "$csclazzname", csclazzname);
Replaceall(proxy_class_def, "$module", module_class_name);
Replaceall(proxy_class_code, "$module", module_class_name);
Replaceall(proxy_class_constants_code, "$module", module_class_name);
Replaceall(interface_class_code, "$module", module_class_name);
Replaceall(proxy_class_def, "$imclassname", full_imclass_name);
Replaceall(proxy_class_code, "$imclassname", full_imclass_name);
Replaceall(proxy_class_constants_code, "$imclassname", full_imclass_name);
Replaceall(interface_class_code, "$imclassname", full_imclass_name);
Replaceall(proxy_class_def, "$dllimport", dllimport);
Replaceall(proxy_class_code, "$dllimport", dllimport);
Replaceall(proxy_class_constants_code, "$dllimport", dllimport);
Replaceall(interface_class_code, "$dllimport", dllimport);
if (!has_outerclass)
Printv(f_proxy, proxy_class_def, proxy_class_code, NIL);
else {
@ -2058,8 +2244,18 @@ public:
Delete(downcast_method);
}
if (f_interface) {
Printv(f_interface, interface_class_code, "}\n", NIL);
addCloseNamespace(nspace, f_interface);
if (f_interface != f_single_out)
Delete(f_interface);
f_interface = 0;
}
emitDirectorExtraMethods(n);
Delete(interface_class_code);
interface_class_code = old_interface_class_code;
Delete(csclazzname);
Delete(proxy_class_name);
proxy_class_name = old_proxy_class_name;
@ -2145,6 +2341,8 @@ public:
String *pre_code = NewString("");
String *post_code = NewString("");
String *terminator_code = NewString("");
bool is_interface = Getattr(parentNode(n), "feature:interface") != 0
&& !static_flag && Getattr(n, "interface:owner") == 0;
if (!proxy_flag)
return;
@ -2217,8 +2415,21 @@ public:
Printf(function_code, " %s ", methodmods);
if (!is_smart_pointer()) {
// Smart pointer classes do not mirror the inheritance hierarchy of the underlying pointer type, so no virtual/override/new required.
if (Getattr(n, "override"))
Printf(function_code, "override ");
if (Node *base_ovr = Getattr(n, "override")) {
if (GetFlag(n, "isextendmember"))
Printf(function_code, "override ");
else {
Node* base = parentNode(base_ovr);
bool ovr = false;
for (Node* direct_base = Getattr(parentNode(n), "direct_base"); direct_base; direct_base = Getattr(direct_base, "direct_base")) {
if (direct_base == base) { // "override" only applies if the base was not discarded (e.g. in case of multiple inheritance or via "ignore")
ovr = true;
break;
}
}
Printf(function_code, ovr ? "override " : "virtual ");
}
}
else if (checkAttribute(n, "storage", "virtual"))
Printf(function_code, "virtual ");
if (Getattr(n, "hides"))
@ -2228,6 +2439,9 @@ public:
if (static_flag)
Printf(function_code, "static ");
Printf(function_code, "%s %s(", return_type, proxy_function_name);
if (is_interface)
Printf(interface_class_code, " %s %s(", return_type, proxy_function_name);
Printv(imcall, full_imclass_name, ".$imfuncname(", NIL);
if (!static_flag)
@ -2307,10 +2521,15 @@ public:
}
/* Add parameter to proxy function */
if (gencomma >= 2)
if (gencomma >= 2) {
Printf(function_code, ", ");
if (is_interface)
Printf(interface_class_code, ", ");
}
gencomma = 2;
Printf(function_code, "%s %s", param_type, arg);
if (is_interface)
Printf(interface_class_code, "%s %s", param_type, arg);
Delete(arg);
Delete(param_type);
@ -2320,6 +2539,8 @@ public:
Printf(imcall, ")");
Printf(function_code, ")");
if (is_interface)
Printf(interface_class_code, ");\n");
// Transform return type used in PInvoke function (in intermediary class) to type used in C# wrapper function (in proxy class)
if ((tm = Swig_typemap_lookup("csout", n, "", 0))) {
@ -3188,6 +3409,50 @@ public:
substitution_performed = true;
Delete(classnametype);
}
if (Strstr(tm, "$csinterfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$csinterfacename", true);
substitution_performed = true;
Delete(interfacenametype);
}
if (Strstr(tm, "$*csinterfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
Delete(SwigType_pop(interfacenametype));
if (Len(interfacenametype) > 0) {
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$*csinterfacename", true);
substitution_performed = true;
}
Delete(interfacenametype);
}
if (Strstr(tm, "$&csinterfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
SwigType_add_pointer(interfacenametype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$&csinterfacename", true);
substitution_performed = true;
Delete(interfacenametype);
}
if (Strstr(tm, "$interfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$interfacename", false);
substitution_performed = true;
Delete(interfacenametype);
}
if (Strstr(tm, "$*interfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
Delete(SwigType_pop(interfacenametype));
if (Len(interfacenametype) > 0) {
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$*interfacename", false);
substitution_performed = true;
}
Delete(interfacenametype);
}
if (Strstr(tm, "$&interfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
SwigType_add_pointer(interfacenametype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$&interfacename", false);
substitution_performed = true;
Delete(interfacenametype);
}
Delete(strippedtype);
Delete(type);
@ -3233,6 +3498,20 @@ public:
Delete(replacementname);
}
/* -----------------------------------------------------------------------------
* substituteInterfacenameSpecialVariable()
* ----------------------------------------------------------------------------- */
void substituteInterfacenameSpecialVariable(SwigType *interfacenametype, String *tm, const char *interfacenamespecialvariable, bool qualified) {
String *interfacename = getInterfaceName(interfacenametype, qualified);
if (interfacename) {
String *replacementname = Copy(interfacename);
Replaceall(tm, interfacenamespecialvariable, replacementname);
Delete(replacementname);
}
}
/* -----------------------------------------------------------------------------
* emitTypeWrapperClass()
* ----------------------------------------------------------------------------- */

37
Source/Modules/d.cxx
View file

@ -3123,28 +3123,23 @@ private:
List *baselist = Getattr(n, "bases");
if (baselist) {
Iterator base = First(baselist);
while (base.item && GetFlag(base.item, "feature:ignore")) {
base = Next(base);
}
if (base.item) {
basenode = base.item;
c_baseclassname = Getattr(base.item, "name");
basename = createProxyName(c_baseclassname);
if (basename)
c_baseclass = SwigType_namestr(Getattr(base.item, "name"));
base = Next(base);
/* Warn about multiple inheritance for additional base class(es) */
while (base.item) {
if (GetFlag(base.item, "feature:ignore")) {
base = Next(base);
continue;
while (base.item) {
if (!GetFlag(base.item, "feature:ignore")) {
String *baseclassname = Getattr(base.item, "name");
if (!c_baseclassname) {
basenode = base.item;
c_baseclassname = baseclassname;
basename = createProxyName(c_baseclassname);
if (basename)
c_baseclass = SwigType_namestr(baseclassname);
} else {
/* Warn about multiple inheritance for additional base class(es) */
String *proxyclassname = Getattr(n, "classtypeobj");
Swig_warning(WARN_D_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Base %s of class %s ignored: multiple inheritance is not supported in D.\n", SwigType_namestr(baseclassname), SwigType_namestr(proxyclassname));
}
String *proxyclassname = SwigType_str(Getattr(n, "classtypeobj"), 0);
String *baseclassname = SwigType_str(Getattr(base.item, "name"), 0);
Swig_warning(WARN_D_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Base %s of class %s ignored: multiple inheritance is not supported in D.\n", baseclassname, proxyclassname);
base = Next(base);
}
base = Next(base);
}
}
}
@ -3169,7 +3164,7 @@ private:
}
} else if (basename && Len(pure_baseclass) > 0) {
Swig_warning(WARN_D_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base class %s ignored. Multiple inheritance is not supported in D. "
"Warning for %s, base class %s ignored. Multiple inheritance is not supported in D. "
"Perhaps you need one of the 'replace' or 'notderived' attributes in the dbase typemap?\n", typemap_lookup_type, pure_baseclass);
}

183
Source/Modules/interface.cxx Normal file
View file

@ -0,0 +1,183 @@
/* -----------------------------------------------------------------------------
* This file is part of SWIG, which is licensed as a whole under version 3
* (or any later version) of the GNU General Public License. Some additional
* terms also apply to certain portions of SWIG. The full details of the SWIG
* license and copyrights can be found in the LICENSE and COPYRIGHT files
* included with the SWIG source code as distributed by the SWIG developers
* and at http://www.swig.org/legal.html.
*
* interface.cxx
*
* This module contains support for the interface feature.
* This feature is used in language modules where the target language does not
* naturally support C++ style multiple inheritance, but does support inheritance
* from multiple interfaces.
* ----------------------------------------------------------------------------- */
#include "swigmod.h"
static bool interface_feature_enabled = false;
/* -----------------------------------------------------------------------------
* collect_interface_methods()
*
* Create a list of all the methods from the base classes of class n that are
* marked as an interface. The resulting list is thus the list of methods that
* need to be implemented in order for n to be non-abstract.
* ----------------------------------------------------------------------------- */
static List *collect_interface_methods(Node *n) {
List *methods = NewList();
if (Hash *bases = Getattr(n, "interface:bases")) {
List *keys = Keys(bases);
for (Iterator base = First(keys); base.item; base = Next(base)) {
Node *cls = Getattr(bases, base.item);
if (cls == n)
continue;
for (Node *child = firstChild(cls); child; child = nextSibling(child)) {
if (Cmp(nodeType(child), "cdecl") == 0) {
if (GetFlag(child, "feature:ignore") || Getattr(child, "interface:owner"))
continue; // skip methods propagated to bases
Node *m = Copy(child);
set_nextSibling(m, NIL);
set_previousSibling(m, NIL);
Setattr(m, "interface:owner", cls);
Append(methods, m);
}
}
}
Delete(keys);
}
return methods;
}
/* -----------------------------------------------------------------------------
* collect_interface_bases
* ----------------------------------------------------------------------------- */
static void collect_interface_bases(Hash *bases, Node *n) {
if (Getattr(n, "feature:interface")) {
String *name = Getattr(n, "interface:name");
if (!Getattr(bases, name))
Setattr(bases, name, n);
}
if (List *baselist = Getattr(n, "bases")) {
for (Iterator base = First(baselist); base.item; base = Next(base)) {
if (!GetFlag(base.item, "feature:ignore")) {
if (Getattr(base.item, "feature:interface"))
collect_interface_bases(bases, base.item);
}
}
}
}
/* -----------------------------------------------------------------------------
* collect_interface_base_classes()
*
* Create a hash containing all the classes up the inheritance hierarchy
* marked with feature:interface (including this class n).
* Stops going up the inheritance chain as soon as a class is found without
* feature:interface.
* The idea is to find all the base interfaces that a class must implement.
* ----------------------------------------------------------------------------- */
static void collect_interface_base_classes(Node *n) {
if (Getattr(n, "feature:interface")) {
// check all bases are also interfaces
if (List *baselist = Getattr(n, "bases")) {
for (Iterator base = First(baselist); base.item; base = Next(base)) {
if (!GetFlag(base.item, "feature:ignore")) {
if (!Getattr(base.item, "feature:interface")) {
Swig_error(Getfile(n), Getline(n), "Base class '%s' of '%s' is not similarly marked as an interface.\n", SwigType_namestr(Getattr(base.item, "name")), SwigType_namestr(Getattr(n, "name")));
SWIG_exit(EXIT_FAILURE);
}
}
}
}
}
Hash *interface_bases = NewHash();
collect_interface_bases(interface_bases, n);
if (Len(interface_bases) == 0)
Delete(interface_bases);
else
Setattr(n, "interface:bases", interface_bases);
}
/* -----------------------------------------------------------------------------
* process_interface_name()
* ----------------------------------------------------------------------------- */
static void process_interface_name(Node *n) {
if (Getattr(n, "feature:interface")) {
String *interface_name = Getattr(n, "feature:interface:name");
if (!Len(interface_name)) {
Swig_error(Getfile(n), Getline(n), "The interface feature for '%s' is missing the name attribute.\n", SwigType_namestr(Getattr(n, "name")));
SWIG_exit(EXIT_FAILURE);
}
if (Strchr(interface_name, '%')) {
String *name = NewStringf(interface_name, Getattr(n, "sym:name"));
Setattr(n, "interface:name", name);
} else {
Setattr(n, "interface:name", interface_name);
}
}
}
/* -----------------------------------------------------------------------------
* Swig_interface_propagate_methods()
*
* Find all the base classes marked as an interface (with feature:interface) for
* class node n. For each of these, add all of its methods as methods of n so that
* n is not abstract. If class n is also marked as an interface, it will remain
* abstract and not have any methods added.
* ----------------------------------------------------------------------------- */
void Swig_interface_propagate_methods(Node *n) {
if (interface_feature_enabled) {
process_interface_name(n);
collect_interface_base_classes(n);
List *methods = collect_interface_methods(n);
bool is_interface = Getattr(n, "feature:interface") != 0;
for (Iterator mi = First(methods); mi.item; mi = Next(mi)) {
if (!is_interface && GetFlag(mi.item, "abstract"))
continue;
String *this_decl = Getattr(mi.item, "decl");
String *this_decl_resolved = SwigType_typedef_resolve_all(this_decl);
bool identically_overloaded_method = false; // true when a base class' method is implemented in n
if (SwigType_isfunction(this_decl_resolved)) {
String *name = Getattr(mi.item, "name");
for (Node *child = firstChild(n); child; child = nextSibling(child)) {
if (Getattr(child, "interface:owner"))
break; // at the end of the list are newly appended methods
if (checkAttribute(child, "name", name)) {
String *decl = SwigType_typedef_resolve_all(Getattr(child, "decl"));
identically_overloaded_method = Strcmp(decl, this_decl_resolved) == 0;
Delete(decl);
if (identically_overloaded_method)
break;
}
}
}
Delete(this_decl_resolved);
if (!identically_overloaded_method) {
// TODO: Fix if the method is overloaded with different arguments / has default args
appendChild(n, mi.item);
} else {
Delete(mi.item);
}
}
Delete(methods);
}
}
/* -----------------------------------------------------------------------------
* Swig_interface_feature_enable()
*
* Turn on interface feature support
* ----------------------------------------------------------------------------- */
void Swig_interface_feature_enable() {
interface_feature_enabled = true;
}

428
Source/Modules/java.cxx
View file

@ -53,6 +53,7 @@ class JAVA:public Language {
String *imclass_class_code; // intermediary class code
String *proxy_class_def;
String *proxy_class_code;
String *interface_class_code; // if %feature("interface") was declared for a class, here goes the interface declaration
String *module_class_code;
String *proxy_class_name; // proxy class name
String *full_proxy_class_name;// fully qualified proxy class name when using nspace feature, otherwise same as proxy_class_name
@ -125,6 +126,7 @@ public:
imclass_class_code(NULL),
proxy_class_def(NULL),
proxy_class_code(NULL),
interface_class_code(NULL),
module_class_code(NULL),
proxy_class_name(NULL),
full_proxy_class_name(NULL),
@ -303,6 +305,7 @@ public:
SWIG_config_file("java.swg");
allow_overloading();
Swig_interface_feature_enable();
}
/* ---------------------------------------------------------------------
@ -1288,8 +1291,10 @@ public:
// Add extra indentation
Replaceall(enum_code, "\n", "\n ");
Replaceall(enum_code, " \n", "\n");
Printv(proxy_class_constants_code, " ", enum_code, "\n\n", NIL);
if (GetFlag(getCurrentClass(), "feature:interface"))
Printv(interface_class_code, " ", enum_code, "\n\n", NIL);
else
Printv(proxy_class_constants_code, " ", enum_code, "\n\n", NIL);
} else {
// Global enums are defined in their own file
String *output_directory = outputDirectory(nspace);
@ -1723,6 +1728,125 @@ public:
return Language::pragmaDirective(n);
}
/* -----------------------------------------------------------------------------
* getQualifiedInterfaceName()
* ----------------------------------------------------------------------------- */
String *getQualifiedInterfaceName(Node *n) {
String *ret = Getattr(n, "interface:qname");
if (!ret) {
String *nspace = Getattr(n, "sym:nspace");
String *symname = Getattr(n, "interface:name");
if (nspace) {
if (package)
ret = NewStringf("%s.%s.%s", package, nspace, symname);
else
ret = NewStringf("%s.%s", nspace, symname);
} else {
ret = Copy(symname);
}
Setattr(n, "interface:qname", ret);
}
return ret;
}
/* -----------------------------------------------------------------------------
* getInterfaceName()
* ----------------------------------------------------------------------------- */
String *getInterfaceName(SwigType *t, bool qualified) {
String *interface_name = NULL;
if (proxy_flag) {
Node *n = classLookup(t);
if (n && Getattr(n, "interface:name"))
interface_name = qualified ? getQualifiedInterfaceName(n) : Getattr(n, "interface:name");
}
return interface_name;
}
/* -----------------------------------------------------------------------------
* addInterfaceNameAndUpcasts()
* ----------------------------------------------------------------------------- */
void addInterfaceNameAndUpcasts(SwigType *smart, String *interface_list, String *interface_upcasts, Hash *base_list, String *c_classname) {
List *keys = Keys(base_list);
for (Iterator it = First(keys); it.item; it = Next(it)) {
Node *base = Getattr(base_list, it.item);
String *c_baseclass = SwigType_namestr(Getattr(base, "name"));
String *interface_name = Getattr(base, "interface:name");
if (Len(interface_list))
Append(interface_list, ", ");
Append(interface_list, interface_name);
Node *attributes = NewHash();
String *interface_code = Copy(typemapLookup(base, "javainterfacecode", Getattr(base, "classtypeobj"), WARN_JAVA_TYPEMAP_INTERFACECODE_UNDEF, attributes));
String *cptr_method_name = 0;
if (interface_code) {
Replaceall(interface_code, "$interfacename", interface_name);
Printv(interface_upcasts, interface_code, NIL);
cptr_method_name = Copy(Getattr(attributes, "tmap:javainterfacecode:cptrmethod"));
}
if (!cptr_method_name)
cptr_method_name = NewStringf("%s_GetInterfaceCPtr", interface_name);
Replaceall(cptr_method_name, ".", "_");
Replaceall(cptr_method_name, "$interfacename", interface_name);
String *upcast_method_name = Swig_name_member(getNSpace(), proxy_class_name, cptr_method_name);
upcastsCode(smart, upcast_method_name, c_classname, c_baseclass);
Delete(upcast_method_name);
Delete(cptr_method_name);
Delete(interface_code);
Delete(c_baseclass);
}
Delete(keys);
}
/* -----------------------------------------------------------------------------
* upcastsCode()
*
* Add code for C++ casting to base class
* ----------------------------------------------------------------------------- */
void upcastsCode(SwigType *smart, String *upcast_method_name, String *c_classname, String *c_baseclass) {
String *jniname = makeValidJniName(upcast_method_name);
String *wname = Swig_name_wrapper(jniname);
Printf(imclass_cppcasts_code, " public final static native long %s(long jarg1);\n", upcast_method_name);
if (smart) {
SwigType *bsmart = Copy(smart);
SwigType *rclassname = SwigType_typedef_resolve_all(c_classname);
SwigType *rbaseclass = SwigType_typedef_resolve_all(c_baseclass);
Replaceall(bsmart, rclassname, rbaseclass);
Delete(rclassname);
Delete(rbaseclass);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
" jlong baseptr = 0;\n"
" ", smartnamestr, " *argp1;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" argp1 = *(", smartnamestr, " **)&jarg1;\n"
" *(", bsmartnamestr, " **)&baseptr = argp1 ? new ", bsmartnamestr, "(*argp1) : 0;\n"
" return baseptr;\n"
"}\n", "\n", NIL);
Delete(bsmartnamestr);
Delete(smartnamestr);
Delete(bsmart);
} else {
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
" jlong baseptr = 0;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" *(", c_baseclass, " **)&baseptr = *(", c_classname, " **)&jarg1;\n"
" return baseptr;\n"
"}\n", "\n", NIL);
}
Delete(wname);
Delete(jniname);
}
/* -----------------------------------------------------------------------------
* emitProxyClassDefAndCPPCasts()
* ----------------------------------------------------------------------------- */
@ -1732,9 +1856,12 @@ public:
String *c_baseclass = NULL;
String *baseclass = NULL;
String *c_baseclassname = NULL;
String *interface_list = NewStringEmpty();
String *interface_upcasts = NewStringEmpty();
SwigType *typemap_lookup_type = Getattr(n, "classtypeobj");
bool feature_director = Swig_directorclass(n) ? true : false;
bool has_outerclass = Getattr(n, "nested:outer") != 0 && !GetFlag(n, "feature:flatnested");
SwigType *smart = Swig_cparse_smartptr(n);
// Inheritance from pure Java classes
Node *attributes = NewHash();
@ -1747,32 +1874,31 @@ public:
if (!purebase_replace) {
List *baselist = Getattr(n, "bases");
if (baselist) {
Iterator base = First(baselist);
while (base.item && GetFlag(base.item, "feature:ignore")) {
base = Next(base);
}
if (base.item) {
c_baseclassname = Getattr(base.item, "name");
baseclass = Copy(getProxyName(c_baseclassname));
if (baseclass)
c_baseclass = SwigType_namestr(Getattr(base.item, "name"));
base = Next(base);
/* Warn about multiple inheritance for additional base class(es) */
while (base.item) {
if (GetFlag(base.item, "feature:ignore")) {
base = Next(base);
continue;
}
String *proxyclassname = Getattr(n, "classtypeobj");
String *baseclassname = Getattr(base.item, "name");
Swig_warning(WARN_JAVA_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in Java.\n", SwigType_namestr(proxyclassname), SwigType_namestr(baseclassname));
base = Next(base);
}
}
Iterator base = First(baselist);
while (base.item) {
if (!(GetFlag(base.item, "feature:ignore") || Getattr(base.item, "feature:interface"))) {
String *baseclassname = Getattr(base.item, "name");
if (!c_baseclassname) {
c_baseclassname = baseclassname;
baseclass = Copy(getProxyName(baseclassname));
if (baseclass)
c_baseclass = SwigType_namestr(baseclassname);
} else {
/* Warn about multiple inheritance for additional base class(es) */
String *proxyclassname = Getattr(n, "classtypeobj");
Swig_warning(WARN_JAVA_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s, base %s ignored. Multiple inheritance is not supported in Java.\n", SwigType_namestr(proxyclassname), SwigType_namestr(baseclassname));
}
}
base = Next(base);
}
}
}
Hash *interface_bases = Getattr(n, "interface:bases");
if (interface_bases)
addInterfaceNameAndUpcasts(smart, interface_list, interface_upcasts, interface_bases, c_classname);
bool derived = baseclass && getProxyName(c_baseclassname);
if (derived && purebase_notderived)
pure_baseclass = empty_string;
@ -1787,13 +1913,15 @@ public:
Swig_error(Getfile(n), Getline(n), "The javabase typemap for proxy %s must contain just one of the 'replace' or 'notderived' attributes.\n", typemap_lookup_type);
} else if (Len(pure_baseclass) > 0 && Len(baseclass) > 0) {
Swig_warning(WARN_JAVA_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in Java. "
"Warning for %s, base %s ignored. Multiple inheritance is not supported in Java. "
"Perhaps you need one of the 'replace' or 'notderived' attributes in the javabase typemap?\n", typemap_lookup_type, pure_baseclass);
}
// Pure Java interfaces
const String *pure_interfaces = typemapLookup(n, "javainterfaces", typemap_lookup_type, WARN_NONE);
if (*Char(interface_list) && *Char(pure_interfaces))
Append(interface_list, ", ");
Append(interface_list, pure_interfaces);
// Start writing the proxy class
if (!has_outerclass) // Import statements
Printv(proxy_class_def, typemapLookup(n, "javaimports", typemap_lookup_type, WARN_NONE),"\n", NIL);
@ -1801,8 +1929,8 @@ public:
Printv(proxy_class_def, "static ", NIL); // C++ nested classes correspond to static java classes
Printv(proxy_class_def, typemapLookup(n, "javaclassmodifiers", typemap_lookup_type, WARN_JAVA_TYPEMAP_CLASSMOD_UNDEF), // Class modifiers
" $javaclassname", // Class name and bases
(*Char(wanted_base)) ? " extends " : "", wanted_base, *Char(pure_interfaces) ? // Pure Java interfaces
" implements " : "", pure_interfaces, " {", derived ? typemapLookup(n, "javabody_derived", typemap_lookup_type, WARN_JAVA_TYPEMAP_JAVABODY_UNDEF) : // main body of class
(*Char(wanted_base)) ? " extends " : "", wanted_base, *Char(interface_list) ? // Pure Java interfaces
" implements " : "", interface_list, " {", derived ? typemapLookup(n, "javabody_derived", typemap_lookup_type, WARN_JAVA_TYPEMAP_JAVABODY_UNDEF) : // main body of class
typemapLookup(n, "javabody", typemap_lookup_type, WARN_JAVA_TYPEMAP_JAVABODY_UNDEF), // main body of class
NIL);
@ -1845,6 +1973,8 @@ public:
if (*Char(destruct))
Printv(proxy_class_def, "\n ", destruct_methodmodifiers, " void ", destruct_methodname, "()", destructor_throws_clause, " ", destruct, "\n", NIL);
}
if (*Char(interface_upcasts))
Printv(proxy_class_def, interface_upcasts, NIL);
/* Insert directordisconnect typemap, if this class has directors enabled */
/* Also insert the swigTakeOwnership and swigReleaseOwnership methods */
@ -1866,6 +1996,8 @@ public:
Delete(take_jnicall);
}
Delete(interface_upcasts);
Delete(interface_list);
Delete(attributes);
Delete(destruct);
@ -1873,60 +2005,80 @@ public:
Printv(proxy_class_def, typemapLookup(n, "javacode", typemap_lookup_type, WARN_NONE), // extra Java code
"\n", NIL);
// Add code to do C++ casting to base class (only for classes in an inheritance hierarchy)
if (derived) {
SwigType *smart = Swig_cparse_smartptr(n);
String *upcast_method = Swig_name_member(getNSpace(), getClassPrefix(), smart != 0 ? "SWIGSmartPtrUpcast" : "SWIGUpcast");
String *jniname = makeValidJniName(upcast_method);
String *wname = Swig_name_wrapper(jniname);
Printf(imclass_cppcasts_code, " public final static native long %s(long jarg1);\n", upcast_method);
if (smart) {
SwigType *bsmart = Copy(smart);
SwigType *rclassname = SwigType_typedef_resolve_all(c_classname);
SwigType *rbaseclass = SwigType_typedef_resolve_all(c_baseclass);
Replaceall(bsmart, rclassname, rbaseclass);
Delete(rclassname);
Delete(rbaseclass);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
" jlong baseptr = 0;\n"
" ", smartnamestr, " *argp1;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" argp1 = *(", smartnamestr, " **)&jarg1;\n"
" *(", bsmartnamestr, " **)&baseptr = argp1 ? new ", bsmartnamestr, "(*argp1) : 0;\n"
" return baseptr;\n"
"}\n", "\n", NIL);
Delete(bsmartnamestr);
Delete(smartnamestr);
Delete(bsmart);
} else {
Printv(upcasts_code,
"SWIGEXPORT jlong JNICALL ", wname, "(JNIEnv *jenv, jclass jcls, jlong jarg1) {\n",
" jlong baseptr = 0;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" *(", c_baseclass, " **)&baseptr = *(", c_classname, " **)&jarg1;\n"
" return baseptr;\n"
"}\n", "\n", NIL);
}
Delete(wname);
Delete(jniname);
Delete(upcast_method);
Delete(smart);
String *upcast_method_name = Swig_name_member(getNSpace(), getClassPrefix(), smart != 0 ? "SWIGSmartPtrUpcast" : "SWIGUpcast");
upcastsCode(smart, upcast_method_name, c_classname, c_baseclass);
Delete(upcast_method_name);
}
Delete(smart);
Delete(baseclass);
}
/* ----------------------------------------------------------------------
* classHandler()
* emitInterfaceDeclaration()
* ---------------------------------------------------------------------- */
virtual int classHandler(Node *n) {
void emitInterfaceDeclaration(Node *n, String *interface_name, File *f_interface, String *nspace) {
if (package || nspace) {
Printf(f_interface, "package ");
if (package)
Printv(f_interface, package, nspace ? "." : "", NIL);
if (nspace)
Printv(f_interface, nspace, NIL);
Printf(f_interface, ";\n");
}
Printv(f_interface, typemapLookup(n, "javaimports", Getattr(n, "classtypeobj"), WARN_NONE), "\n", NIL);
Printf(f_interface, "public interface %s", interface_name);
if (List *baselist = Getattr(n, "bases")) {
String *bases = 0;
for (Iterator base = First(baselist); base.item; base = Next(base)) {
if (GetFlag(base.item, "feature:ignore") || !Getattr(base.item, "feature:interface"))
continue; // TODO: warn about skipped non-interface bases
String *base_iname = Getattr(base.item, "interface:name");
if (!bases)
bases = Copy(base_iname);
else {
Append(bases, ", ");
Append(bases, base_iname);
}
}
if (bases) {
Printv(f_interface, " extends ", bases, NIL);
Delete(bases);
}
}
Printf(f_interface, " {\n");
Node *attributes = NewHash();
String *interface_code = Copy(typemapLookup(n, "javainterfacecode", Getattr(n, "classtypeobj"), WARN_JAVA_TYPEMAP_INTERFACECODE_UNDEF, attributes));
if (interface_code) {
String *interface_declaration = Copy(Getattr(attributes, "tmap:javainterfacecode:declaration"));
if (interface_declaration) {
Replaceall(interface_declaration, "$interfacename", interface_name);
Printv(f_interface, interface_declaration, NIL);
Delete(interface_declaration);
}
Delete(interface_code);
}
}
/* ----------------------------------------------------------------------
* classDeclaration()
* ---------------------------------------------------------------------- */
int classDeclaration(Node *n) {
return Language::classDeclaration(n);
}
/* ----------------------------------------------------------------------
* classHandler()
* ---------------------------------------------------------------------- */
virtual int classHandler(Node *n) {
File *f_proxy = NULL;
File *f_interface = NULL;
String *old_proxy_class_name = proxy_class_name;
String *old_full_proxy_class_name = full_proxy_class_name;
String *old_full_imclass_name = full_imclass_name;
@ -1936,6 +2088,8 @@ public:
String *old_proxy_class_def = proxy_class_def;
String *old_proxy_class_code = proxy_class_code;
bool has_outerclass = Getattr(n, "nested:outer") && !GetFlag(n, "feature:flatnested");
String *old_interface_class_code = interface_class_code;
interface_class_code = 0;
if (proxy_flag) {
proxy_class_name = NewString(Getattr(n, "sym:name"));
@ -1976,17 +2130,21 @@ public:
}
}
String *interface_name = Getattr(n, "feature:interface") ? Getattr(n, "interface:name") : 0;
if (outerClassesPrefix) {
String *fnspace = nspace ? NewStringf("%s.%s", nspace, outerClassesPrefix) : outerClassesPrefix;
if (!addSymbol(proxy_class_name, n, fnspace))
return SWIG_ERROR;
if (interface_name && !addInterfaceSymbol(interface_name, n, fnspace))
return SWIG_ERROR;
if (nspace)
Delete(fnspace);
Delete(outerClassesPrefix);
}
else {
} else {
if (!addSymbol(proxy_class_name, n, nspace))
return SWIG_ERROR;
if (interface_name && !addInterfaceSymbol(interface_name, n, nspace))
return SWIG_ERROR;
}
// Each outer proxy class goes into a separate file
@ -2022,11 +2180,27 @@ public:
destructor_call = NewString("");
destructor_throws_clause = NewString("");
proxy_class_constants_code = NewString("");
if (Getattr(n, "feature:interface")) {
interface_class_code = NewString("");
String *output_directory = outputDirectory(nspace);
String *filen = NewStringf("%s%s.java", output_directory, interface_name);
f_interface = NewFile(filen, "w", SWIG_output_files());
if (!f_interface) {
FileErrorDisplay(filen);
SWIG_exit(EXIT_FAILURE);
}
Append(filenames_list, filen); // file name ownership goes to the list
emitBanner(f_interface);
emitInterfaceDeclaration(n, interface_name, interface_class_code, nspace);
Delete(filen);
Delete(output_directory);
}
}
Language::classHandler(n);
if (proxy_flag) {
emitProxyClassDefAndCPPCasts(n);
String *javaclazzname = Swig_name_member(getNSpace(), getClassPrefix(), ""); // mangled full proxy class name
@ -2034,18 +2208,22 @@ public:
Replaceall(proxy_class_def, "$javaclassname", proxy_class_name);
Replaceall(proxy_class_code, "$javaclassname", proxy_class_name);
Replaceall(proxy_class_constants_code, "$javaclassname", proxy_class_name);
Replaceall(interface_class_code, "$javaclassname", proxy_class_name);
Replaceall(proxy_class_def, "$javaclazzname", javaclazzname);
Replaceall(proxy_class_code, "$javaclazzname", javaclazzname);
Replaceall(proxy_class_constants_code, "$javaclazzname", javaclazzname);
Replaceall(interface_class_code, "$javaclazzname", javaclazzname);
Replaceall(proxy_class_def, "$module", module_class_name);
Replaceall(proxy_class_code, "$module", module_class_name);
Replaceall(proxy_class_constants_code, "$module", module_class_name);
Replaceall(interface_class_code, "$module", module_class_name);
Replaceall(proxy_class_def, "$imclassname", full_imclass_name);
Replaceall(proxy_class_code, "$imclassname", full_imclass_name);
Replaceall(proxy_class_constants_code, "$imclassname", full_imclass_name);
Replaceall(interface_class_code, "$imclassname", full_imclass_name);
if (!has_outerclass)
Printv(f_proxy, proxy_class_def, proxy_class_code, NIL);
@ -2110,8 +2288,16 @@ public:
Delete(downcast_method);
}
if (f_interface) {
Printv(f_interface, interface_class_code, "}\n", NIL);
Delete(f_interface);
f_interface = 0;
}
emitDirectorExtraMethods(n);
Delete(interface_class_code);
interface_class_code = old_interface_class_code;
Delete(javaclazzname);
Delete(proxy_class_name);
proxy_class_name = old_proxy_class_name;
@ -2203,6 +2389,8 @@ public:
bool setter_flag = false;
String *pre_code = NewString("");
String *post_code = NewString("");
bool is_interface = Getattr(parentNode(n), "feature:interface") != 0
&& !static_flag && Getattr(n, "interface:owner") == 0;
if (!proxy_flag)
return;
@ -2252,6 +2440,9 @@ public:
if (static_flag)
Printf(function_code, "static ");
Printf(function_code, "%s %s(", return_type, proxy_function_name);
if (is_interface)
Printf(interface_class_code, " %s %s(", return_type, proxy_function_name);
Printv(imcall, full_imclass_name, ".$imfuncname(", NIL);
if (!static_flag) {
@ -2339,10 +2530,15 @@ public:
}
/* Add parameter to proxy function */
if (gencomma >= 2)
if (gencomma >= 2) {
Printf(function_code, ", ");
if (is_interface)
Printf(interface_class_code, ", ");
}
gencomma = 2;
Printf(function_code, "%s %s", param_type, arg);
if (is_interface)
Printf(interface_class_code, "%s %s", param_type, arg);
if (prematureGarbageCollectionPreventionParameter(pt, p)) {
String *pgcppname = Getattr(p, "tmap:javain:pgcppname");
@ -2364,6 +2560,8 @@ public:
Printf(imcall, ")");
Printf(function_code, ")");
if (is_interface)
Printf(interface_class_code, ");\n");
// Transform return type used in JNI function (in intermediary class) to type used in Java wrapper function (in proxy class)
if ((tm = Swig_typemap_lookup("javaout", n, "", 0))) {
@ -3068,6 +3266,50 @@ public:
substitution_performed = true;
Delete(classnametype);
}
if (Strstr(tm, "$javainterfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$javainterfacename", jnidescriptor, true);
substitution_performed = true;
Delete(interfacenametype);
}
if (Strstr(tm, "$*javainterfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
Delete(SwigType_pop(interfacenametype));
if (Len(interfacenametype) > 0) {
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$*javainterfacename", jnidescriptor, true);
substitution_performed = true;
}
Delete(interfacenametype);
}
if (Strstr(tm, "$&javainterfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
SwigType_add_pointer(interfacenametype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$&javainterfacename", jnidescriptor, true);
substitution_performed = true;
Delete(interfacenametype);
}
if (Strstr(tm, "$interfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$interfacename", jnidescriptor, false);
substitution_performed = true;
Delete(interfacenametype);
}
if (Strstr(tm, "$*interfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
Delete(SwigType_pop(interfacenametype));
if (Len(interfacenametype) > 0) {
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$*interfacename", jnidescriptor, false);
substitution_performed = true;
}
Delete(interfacenametype);
}
if (Strstr(tm, "$&interfacename")) {
SwigType *interfacenametype = Copy(strippedtype);
SwigType_add_pointer(interfacenametype);
substituteInterfacenameSpecialVariable(interfacenametype, tm, "$&interfacename", jnidescriptor, false);
substitution_performed = true;
Delete(interfacenametype);
}
Delete(strippedtype);
Delete(type);
@ -3116,6 +3358,24 @@ public:
Delete(replacementname);
}
/* -----------------------------------------------------------------------------
* substituteInterfacenameSpecialVariable()
* ----------------------------------------------------------------------------- */
void substituteInterfacenameSpecialVariable(SwigType *interfacenametype, String *tm, const char *interfacenamespecialvariable, bool jnidescriptor, bool qualified) {
String *interfacename = getInterfaceName(interfacenametype/*, jnidescriptor*/, qualified);
if (interfacename) {
String *replacementname = Copy(interfacename);
if (jnidescriptor)
Replaceall(replacementname,".","/");
Replaceall(tm, interfacenamespecialvariable, replacementname);
Delete(replacementname);
}
}
/* -----------------------------------------------------------------------------
* emitTypeWrapperClass()
* ----------------------------------------------------------------------------- */
@ -3273,7 +3533,7 @@ public:
* ----------------------------------------------------------------------------- */
String *prematureGarbageCollectionPreventionParameter(SwigType *t, Parm *p) {
String *proxyClassName = 0;
String *pgcpp_java_type = 0;
String *jtype = NewString(Getattr(p, "tmap:jtype"));
// Strip C comments
@ -3290,11 +3550,9 @@ public:
if (Cmp(jtype, "long") == 0) {
if (proxy_flag) {
if (!GetFlag(p, "tmap:jtype:nopgcpp") && !nopgcpp_flag) {
String *proxyname = getProxyName(t);
if (proxyname) {
// Found a struct/class parameter passed by value, reference, pointer, or pointer reference
proxyClassName = proxyname;
} else {
String *interface_name = getInterfaceName(t, true);
pgcpp_java_type = interface_name ? interface_name : getProxyName(t);
if (!pgcpp_java_type) {
// Look for proxy class parameters passed to C++ layer using non-default typemaps, ie not one of above types
String *jstype = NewString(Getattr(p, "tmap:jstype"));
if (jstype) {
@ -3316,7 +3574,7 @@ public:
if (cls && !Getattr(cls, "feature:ignore")) {
String *symname = Getattr(cls, "sym:name");
if (symname && Strcmp(symname, jstype) == 0) {
proxyClassName = symname;
pgcpp_java_type = symname;
}
}
}
@ -3328,7 +3586,7 @@ public:
}
}
Delete(jtype);
return proxyClassName;
return pgcpp_java_type;
}
/* -----------------------------------------------------------------------------

29
Source/Modules/lang.cxx
View file

@ -3118,6 +3118,31 @@ int Language::addSymbol(const String *s, const Node *n, const_String_or_char_ptr
return 1;
}
/* -----------------------------------------------------------------------------
* Language::addInterfaceSymbol()
*
* Adds a symbol entry into the target language symbol tables - for the interface
* feature only.
* Returns 1 if the symbol is added successfully.
* The scope is as per addSymbol.
* ----------------------------------------------------------------------------- */
int Language::addInterfaceSymbol(const String *interface_name, Node *n, const_String_or_char_ptr scope) {
if (interface_name) {
Node *existing_symbol = symbolLookup(interface_name, scope);
if (existing_symbol) {
String *proxy_class_name = Getattr(n, "sym:name");
Swig_error(input_file, line_number, "The interface feature name '%s' for proxy class '%s' is already defined in the generated target language module in scope '%s'.\n",
interface_name, proxy_class_name, scope);
Swig_error(Getfile(existing_symbol), Getline(existing_symbol), "Previous declaration of '%s'\n", interface_name);
return 0;
}
if (!addSymbol(interface_name, n, scope))
return 0;
}
return 1;
}
/* -----------------------------------------------------------------------------
* Language::symbolAddScope()
*
@ -3214,7 +3239,7 @@ void Language::dumpSymbols() {
* Language::symbolLookup()
* ----------------------------------------------------------------------------- */
Node *Language::symbolLookup(String *s, const_String_or_char_ptr scope) {
Node *Language::symbolLookup(const String *s, const_String_or_char_ptr scope) {
Hash *symbols = Getattr(symtabs, scope ? scope : "");
if (!symbols) {
return NULL;
@ -3797,6 +3822,7 @@ String *Language::defaultExternalRuntimeFilename() {
/* -----------------------------------------------------------------------------
* Language::replaceSpecialVariables()
*
* Language modules should implement this if special variables are to be handled
* correctly in the $typemap(...) special variable macro.
* method - typemap method name
@ -3816,3 +3842,4 @@ Language *Language::instance() {
Hash *Language::getClassHash() const {
return classhash;
}

30
Source/Modules/modula3.cxx
View file

@ -2176,20 +2176,24 @@ MODULA3():
/* Deal with inheritance */
List *baselist = Getattr(n, "bases");
if (baselist != NIL) {
if (baselist) {
Iterator base = First(baselist);
if (base.item) {
c_baseclassname = Getattr(base.item, "name");
baseclass = Copy(getProxyName(c_baseclassname));
if (baseclass) {
c_baseclass = SwigType_namestr(Getattr(base.item, "name"));
while (base.item) {
if (!GetFlag(base.item, "feature:ignore")) {
String *baseclassname = Getattr(base.item, "name");
if (!c_baseclassname) {
c_baseclassname = baseclassname;
baseclass = Copy(getProxyName(baseclassname));
if (baseclass)
c_baseclass = SwigType_namestr(baseclassname);
} else {
/* Warn about multiple inheritance for additional base class(es) */
String *proxyclassname = Getattr(n, "classtypeobj");
Swig_warning(WARN_MODULA3_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s, base %s ignored. Multiple inheritance is not supported in Modula 3.\n", SwigType_namestr(proxyclassname), SwigType_namestr(baseclassname));
}
}
base = Next(base);
if (base.item != NIL) {
Swig_warning(WARN_MODULA3_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in Modula 3.\n",
name, Getattr(base.item, "name"));
}
}
}
@ -2201,7 +2205,7 @@ MODULA3():
const String *pure_baseclass = typemapLookup(n, "m3base", name, WARN_NONE);
if (hasContent(pure_baseclass) && hasContent(baseclass)) {
Swig_warning(WARN_MODULA3_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in Modula 3.\n", name, pure_baseclass);
"Warning for %s, base %s ignored. Multiple inheritance is not supported in Modula 3.\n", name, pure_baseclass);
}
// Pure Modula 3 interfaces
const String *pure_interfaces = typemapLookup(n, derived ? "m3interfaces_derived" : "m3interfaces",
@ -2431,7 +2435,7 @@ MODULA3():
base = Next(base);
if (base.item) {
Swig_warning(WARN_MODULA3_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in Modula 3.\n",
"Warning for %s, base %s ignored. Multiple inheritance is not supported in Modula 3.\n",
proxy_class_name, Getattr(base.item, "name"));
}
}

2
Source/Modules/php.cxx
View file

@ -2018,7 +2018,7 @@ done:
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);
"Warning for %s, base %s ignored. Multiple inheritance is not supported in PHP.\n", proxyclassname, baseclassname);
base = Next(base);
}
}

2
Source/Modules/ruby.cxx
View file

@ -2473,7 +2473,7 @@ public:
String *proxyclassname = SwigType_str(Getattr(n, "classtypeobj"), 0);
String *baseclassname = SwigType_str(Getattr(base.item, "name"), 0);
Swig_warning(WARN_RUBY_MULTIPLE_INHERITANCE, Getfile(n), Getline(n),
"Warning for %s proxy: Base %s ignored. Multiple inheritance is not supported in Ruby.\n", proxyclassname, baseclassname);
"Warning for %s, base %s ignored. Multiple inheritance is not supported in Ruby.\n", proxyclassname, baseclassname);
base = Next(base);
}
}

12
Source/Modules/swigmod.h
View file

@ -208,8 +208,9 @@ public:
/* Miscellaneous */
virtual int validIdentifier(String *s); /* valid identifier? */
virtual int addSymbol(const String *s, const Node *n, const_String_or_char_ptr scope = ""); /* Add symbol */
virtual int addInterfaceSymbol(const String *interface_name, Node *n, const_String_or_char_ptr scope = "");
virtual void dumpSymbols();
virtual Node *symbolLookup(String *s, const_String_or_char_ptr scope = ""); /* Symbol lookup */
virtual Node *symbolLookup(const String *s, const_String_or_char_ptr scope = ""); /* Symbol lookup */
virtual Hash* symbolAddScope(const_String_or_char_ptr scope);
virtual Hash* symbolScopeLookup(const_String_or_char_ptr scope);
virtual Hash* symbolScopePseudoSymbolLookup(const_String_or_char_ptr scope);
@ -422,19 +423,24 @@ extern "C" {
}
/* Contracts */
void Swig_contracts(Node *n);
void Swig_contract_mode_set(int flag);
int Swig_contract_mode_get();
/* Browser */
void Swig_browser(Node *n, int);
void Swig_default_allocators(Node *n);
void Swig_process_types(Node *n);
/* Nested classes */
void Swig_nested_process_classes(Node *n);
void Swig_nested_name_unnamed_c_structs(Node *n);
/* Interface feature */
void Swig_interface_feature_enable();
void Swig_interface_propagate_methods(Node *n);
/* Miscellaneous */
template <class T> class save_value {
T _value;
T& _value_ptr;