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Fix parse errors for C++11 type aliasing

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Recently introduced by the fix for C++11 type aliasing seg fault - 117f6d00
This commit is contained in:
William S Fulton 2015-06-18 21:05:12 +01:00
commit 6890dfa881
3 changed files with 37 additions and 5 deletions
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9
Examples/test-suite/cpp11_template_typedefs.i
View file

@ -2,9 +2,13 @@
%module cpp11_template_typedefs
%warnfilter(SWIGWARN_CPP11_ALIAS_TEMPLATE) TypedefName;
%warnfilter(SWIGWARN_CPP11_ALIAS_TEMPLATE) TypedefNamePtr;
%warnfilter(SWIGWARN_CPP11_ALIAS_TEMPLATE) MyIntKeyClass;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) PF;
// This warning should go away when type aliasing is supported
#pragma SWIG nowarn=SWIGWARN_PARSE_USING_UNDEF // Nothing known about 'p.SomeType< char *,T2,4 >'.
%inline %{
template< typename T1, typename T2, int >
class SomeType {
@ -16,6 +20,8 @@ class SomeType {
// template aliasing
template< typename T2 >
using TypedefName = SomeType<char*, T2, 5>;
template< typename T2 >
using TypedefNamePtr = SomeType<char*, T2, 4>*;
// type aliasing
typedef void (*PFD)(double); // Old style
@ -28,5 +34,8 @@ class MyCPP11Class {
};
template<typename VAL> using MyIntKeyClass = MyCPP11Class<int,VAL>;
MyIntKeyClass<char> intchar;
TypedefName<int> alias1(TypedefName<int> a) { return a; }
TypedefNamePtr<int> alias1(TypedefNamePtr<int> a = nullptr) { return a; }
%}

22
Examples/test-suite/cpp11_type_aliasing.i
View file

@ -3,9 +3,15 @@
// Type aliasing seg fault : Github issue #424
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) Target;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) Int;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) IntRef;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) IntPtrRef;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) IntRValueRef;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) IntArray;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) HalideTargetPtr1;
%warnfilter(SWIGWARN_CPP11_ALIAS_DECLARATION) HalideTargetPtr2;
%inline %{
namespace Halide {
struct Target {
@ -44,3 +50,17 @@ public:
%}
%template(Halide_Target) Halide::Internal::GeneratorParam<Halide::Target>;
%inline %{
using Int = int;
using IntRef = int&;
using IntPtrRef = int*&;
using IntRValueRef = int&&;
using IntArray = int[];
using HalideTargetPtr1 = Halide::Target*;
namespace Halide {
using HalideTargetPtr2 = Target*;
}
%}

11
Source/CParse/parser.y
View file

@ -2850,9 +2850,10 @@ c_declaration : c_decl {
Swig_warning(WARN_CPP11_LAMBDA, cparse_file, cparse_line, "Lambda expressions and closures are not fully supported yet.\n");
SWIG_WARN_NODE_END($$);
}
| USING idcolon EQUAL idcolon {
| USING idcolon EQUAL type typemap_parameter_declarator SEMI {
$$ = new_node("using");
Setattr($$,"name",$2);
SwigType_push($4,$5.type);
Setattr($$,"uname",$4);
add_symbols($$);
SWIG_WARN_NODE_BEGIN($$);
@ -2861,15 +2862,17 @@ c_declaration : c_decl {
$$ = 0; /* TODO - ignored for now */
}
| TEMPLATE LESSTHAN template_parms GREATERTHAN USING idcolon EQUAL identifier {
skip_decl();
| TEMPLATE LESSTHAN template_parms GREATERTHAN USING idcolon EQUAL type typemap_parameter_declarator SEMI {
$$ = new_node("using");
Setattr($$,"uname",$8);
Setattr($$,"name",$6);
SwigType_push($8,$9.type);
Setattr($$,"uname",$8);
add_symbols($$);
SWIG_WARN_NODE_BEGIN($$);
Swig_warning(WARN_CPP11_ALIAS_TEMPLATE, cparse_file, cparse_line, "The 'using' keyword in template aliasing is not fully supported yet.\n");
SWIG_WARN_NODE_END($$);
$$ = 0; /* TODO - ignored for now */
}
;