Fix parsing of struct declaration and initialization

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@11750 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES.current

@@ -1,6 +1,13 @@
 Version 1.3.41 (in progress)
 ============================
 
+2009-11-17: wsfulton
+            Fix parsing of struct declaration and initialization, for example:
+
+              struct S {
+                 int x;
+              } instance = { 10 };
+
 2009-11-15: wsfulton
             Fix #1960977 - Syntax error parsing derived nested class declaration and member
             variable instance.

Examples/test-suite/common.mk

@@ -303,6 +303,7 @@ CPP_TEST_CASES += \
 	static_array_member \
 	static_const_member \
 	static_const_member_2 \
+	struct_initialization_cpp \
 	struct_value \
 	template \
 	template_arg_replace \
@@ -470,6 +471,7 @@ C_TEST_CASES += \
 	sizeof_pointer \
 	sneaky1 \
 	struct_rename \
+	struct_initialization \
 	typedef_struct \
 	typemap_subst \
 	union_parameter \

Examples/test-suite/python/struct_initialization_runme.py

@@ -0,0 +1,20 @@
+from struct_initialization import *
+
+if cvar.instanceC1.x != 10:
+  raise RuntimeError
+
+if cvar.instanceD1.x != 10:
+  raise RuntimeError
+
+if cvar.instanceD2.x != 20:
+  raise RuntimeError
+
+if cvar.instanceD3.x != 30:
+  raise RuntimeError
+
+if cvar.instanceE1.x != 1:
+  raise RuntimeError
+
+if cvar.instanceF1.x != 1:
+  raise RuntimeError
+

Examples/test-suite/struct_initialization.i

@@ -0,0 +1,31 @@
+// Test declaration and initialization of structs (C code)
+%module struct_initialization
+
+%inline %{
+
+// Named types
+struct StructA {
+   int x;
+} instanceA1;
+
+struct StructB {
+   int x;
+} instanceB1, instanceB2, instanceB3;
+
+struct StructC {
+   int x;
+} instanceC1 = { 10 };
+
+struct StructD {
+   int x;
+} instanceD1 = { 10 }, instanceD2 = { 20 }, instanceD3 = { 30 };
+
+struct StructE {
+   int x;
+} instanceE1[3] = { { 1 }, { 2 }, { 3} };
+
+struct StructF {
+   int x;
+} instanceF1[3] = { { 1 }, { 2 } }, instanceF2[2] = { { -1 }, { -2 } }, instanceF3[2] = { { 11 }, { 22 } };
+
+%}

Examples/test-suite/struct_initialization_cpp.i

@@ -0,0 +1,5 @@
+// Test declaration and initialization of structs (C++ code)
+%module struct_initialization_cpp
+
+%include "struct_initialization.i" // C code
+

Source/CParse/parser.y

@@ -3546,7 +3546,7 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 	       Classprefix = NewStringEmpty();
 	       Delete(Namespaceprefix);
 	       Namespaceprefix = Swig_symbol_qualifiedscopename(0);
-             } cpp_members RBRACE declarator c_decl_tail {
+             } cpp_members RBRACE declarator initializer c_decl_tail {
 	       String *unnamed;
 	       Node *n;
 	       Classprefix = 0;
@@ -3564,8 +3564,8 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
 	       Setattr(n,"decl",$7.type);
 	       Setattr(n,"parms",$7.parms);
 	       Setattr(n,"storage",$1);
-	       if ($8) {
-		 Node *p = $8;
+	       if ($9) {
+		 Node *p = $9;
 		 set_nextSibling(n,p);
 		 while (p) {
 		   String *type = Copy(unnamed);
@@ -3635,12 +3635,12 @@ cpp_class_decl  : storage_class cpptype idcolon inherit LBRACE {
              ;
 
 cpp_opt_declarators :  SEMI { $$ = 0; }
-                    |  declarator c_decl_tail {
+                    |  declarator initializer c_decl_tail {
                         $$ = new_node("cdecl");
                         Setattr($$,"name",$1.id);
                         Setattr($$,"decl",$1.type);
                         Setattr($$,"parms",$1.parms);
-			set_nextSibling($$,$2);
+			set_nextSibling($$,$3);
                     }
                     ;
 /* ------------------------------------------------------------