[C] Allow declaring a struct pointer in a struct

Fixes #1830

Signed-off-by: Raul E Rangel <rrangel@chromium.org>

Author: Raul E Rangel

C++/C.sublime-syntax

@@ -451,7 +451,7 @@ contexts:
 
   data-structures:
     # Detect variable type definitions using struct/enum/union followed by a tag
-    - match: '\b({{before_tag}})(?=\s+{{identifier}}\s+{{identifier}}\s*[=;\[])'
+    - match: '\b({{before_tag}})(?=\s+{{identifier}}\s+\**\s*{{identifier}}\s*[=;\[])'
       scope: storage.type.c
     - match: '\bstruct\b'
       scope: storage.type.c

C++/syntax_test_c.c

@@ -313,6 +313,23 @@ struct foo MACRO {
 /*         ^ - entity.name */
 }
 
+struct UI_BoundingBox *position_p;
+/*     ^ - entity.name */
+/*                     ^ - entity.name */
+
+struct UI_BoundingBox * position_p1;
+/*     ^ - entity.name */
+/*                      ^ - entity.name */
+
+struct UI_BoundingBox **position_p2;
+/*     ^ - entity.name */
+/*                      ^ - entity.name */
+
+struct UI_BoundingBox ** position_p3;
+/*     ^ - entity.name */
+/*                       ^ - entity.name */
+
+
 // Partially-typed
 struct foo
 /*     ^ entity.name */
@@ -324,6 +341,18 @@ struct UI_MenuBoxData
     struct UI_BoundingBox position;
 /*         ^ - entity.name */
 /*                        ^ - entity.name */
+    struct UI_BoundingBox *position_p;
+/*         ^ - entity.name */
+/*                         ^ - entity.name */
+    struct UI_BoundingBox * position_p1;
+/*         ^ - entity.name */
+/*                          ^ - entity.name */
+    struct UI_BoundingBox **position_p2;
+/*         ^ - entity.name */
+/*                          ^ - entity.name */
+    struct UI_BoundingBox ** position_p3;
+/*         ^ - entity.name */
+/*                           ^ - entity.name */
     enum UI_BoxCharType borderType;
 /*       ^ - entity.name */
 /*                      ^ - entity.name */

C++/syntax_test_cpp.cpp

@@ -237,6 +237,56 @@ bool foo (bool run=true) {}
 /*   ^ entity.name.function */
 };
 
+struct UI_BoundingBox position;
+/*         ^ - entity.name */
+/*                        ^ - entity.name */
+
+struct UI_BoundingBox *position_p;
+/*     ^ - entity.name */
+/*                     ^ - entity.name */
+
+struct UI_BoundingBox * position_p2;
+/*     ^ - entity.name */
+/*                      ^ - entity.name */
+
+struct UI_BoundingBox **position_p2;
+/*     ^ - entity.name */
+/*                      ^ - entity.name */
+
+struct UI_BoundingBox ** position_p2;
+/*     ^ - entity.name */
+/*                       ^ - entity.name */
+
+struct UI_MenuBoxData
+/* <- storage.type */
+/*     ^ entity.name.struct */
+{
+    struct UI_BoundingBox position;
+/*         ^ - entity.name */
+/*                        ^ - entity.name */
+    struct UI_BoundingBox *position_p;
+/*         ^ - entity.name */
+/*                         ^ - entity.name */
+    struct UI_BoundingBox * position_p1;
+/*         ^ - entity.name */
+/*                          ^ - entity.name */
+    struct UI_BoundingBox **position_p2;
+/*         ^ - entity.name */
+/*                          ^ - entity.name */
+    struct UI_BoundingBox ** position_p3;
+/*         ^ - entity.name */
+/*                           ^ - entity.name */
+    enum UI_BoxCharType borderType;
+/*       ^ - entity.name */
+/*                      ^ - entity.name */
+    unsigned int paddingX;
+    unsigned int paddingY;
+    struct UI_ScrollBoxText boxContents[];
+/*         ^ - entity.name */
+/*                          ^ - entity.name */
+};
+
+
 /////////////////////////////////////////////
 // Strings
 /////////////////////////////////////////////
@@ -478,7 +528,7 @@ template <typename T = float, int a = 3, bool b = true>
                   /*                  ^ meta.template constant.numeric              */
                   /*                            ^ meta.template keyword.operator    */
                   /*                              ^ meta.template constant.language */
-struct Foo 
+struct Foo
 {
 
 /* <- meta.struct - meta.template */
@@ -515,7 +565,7 @@ template<class T, class U = T> class B { /* ... */ };
 /*                            ^ - meta.template            */
 template <class ...Types> class C { /* ... */ };
 
-// templates inside templates... it's templates all the way down 
+// templates inside templates... it's templates all the way down
 template<template<class> class P> class X { /* ... */ };
 /*      ^ meta.template punctuation                              */
 /*               ^ meta.template meta.template punctuation       */
@@ -615,28 +665,28 @@ int main() {
 
 // Example from section 14.2/4 of
 // http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3690.pdf
-struct X 
+struct X
 {
     template <std::size_t>
     X* alloc();
 
     template <std::size_t>
     static X* adjust();
 };
-template <class T> 
-void f(T* p) 
+template <class T>
+void f(T* p)
 {
     // Be optimistic: scope it as a template member function call anyway.
     T* p1 = p->alloc<200>(); // ill-formed: < means less than
-    
+
     T* p2 = p->template alloc<200>(); // OK: < starts template argument list
     /*        ^ punctuation.accessor           */
     /*         ^ storage.type - variable.other */
     /*                  ^ variable.function    */
 
     // Be optimistic: scope it as a template member function call anyway.
     T::adjust<100>(); // ill-formed: < means less than
-    
+
     T::template adjust<100>(); // OK: < starts template argument list
     /* <- - variable.function                    */
     /*^ punctuation.accessor                     */
@@ -1783,7 +1833,7 @@ class Foo {
                                  /* ^ meta.method.constructor.initializer-list   */
                                  /*   ^ - meta.function-call - variable.function */
 private:
-    int var1, var2, var3, var4;    
+    int var1, var2, var3, var4;
 };
 
 class X {