Generalize name mangling rule to have a singular definition for a name separator

src/llvm_backend.hpp

@@ -346,6 +346,8 @@ struct lbProcedure {
 };
 
 
+#define ABI_PKG_NAME_SEPARATOR "."
+
 
 #if !ODIN_LLVM_MINIMUM_VERSION_14
 #define LLVMConstGEP2(Ty__, ConstantVal__, ConstantIndices__, NumIndices__) LLVMConstGEP(ConstantVal__, ConstantIndices__, NumIndices__)

src/llvm_backend_general.cpp

@@ -1403,7 +1403,7 @@ gb_internal String lb_mangle_name(lbModule *m, Entity *e) {
 	char *new_name = gb_alloc_array(permanent_allocator(), char, max_len);
 	isize new_name_len = gb_snprintf(
 		new_name, max_len,
-		"%.*s.%.*s", LIT(pkgn), LIT(name)
+		"%.*s" ABI_PKG_NAME_SEPARATOR "%.*s", LIT(pkgn), LIT(name)
 	);
 	if (require_suffix_id) {
 		char *str = new_name + new_name_len-1;
@@ -1453,7 +1453,7 @@ gb_internal String lb_set_nested_type_name_ir_mangled_name(Entity *e, lbProcedur
 		isize name_len = p->name.len + 1 + ts_name.len + 1 + 10 + 1;
 		char *name_text = gb_alloc_array(permanent_allocator(), char, name_len);
 		u32 guid = 1+p->module->nested_type_name_guid.fetch_add(1);
-		name_len = gb_snprintf(name_text, name_len, "%.*s.%.*s-%u", LIT(p->name), LIT(ts_name), guid);
+		name_len = gb_snprintf(name_text, name_len, "%.*s" ABI_PKG_NAME_SEPARATOR "%.*s-%u", LIT(p->name), LIT(ts_name), guid);
 
 		String name = make_string(cast(u8 *)name_text, name_len-1);
 		e->TypeName.ir_mangled_name = name;
@@ -1463,7 +1463,7 @@ gb_internal String lb_set_nested_type_name_ir_mangled_name(Entity *e, lbProcedur
 		isize name_len = 9 + 1 + ts_name.len + 1 + 10 + 1;
 		char *name_text = gb_alloc_array(permanent_allocator(), char, name_len);
 		static std::atomic<u32> guid;
-		name_len = gb_snprintf(name_text, name_len, "_internal.%.*s-%u", LIT(ts_name), 1+guid.fetch_add(1));
+		name_len = gb_snprintf(name_text, name_len, "_internal" ABI_PKG_NAME_SEPARATOR "%.*s-%u", LIT(ts_name), 1+guid.fetch_add(1));
 
 		String name = make_string(cast(u8 *)name_text, name_len-1);
 		e->TypeName.ir_mangled_name = name;

src/llvm_backend_proc.cpp

@@ -757,7 +757,7 @@ gb_internal void lb_build_nested_proc(lbProcedure *p, AstProcLit *pd, Entity *e)
 	char *name_text = gb_alloc_array(permanent_allocator(), char, name_len);
 
 	i32 guid = cast(i32)p->children.count;
-	name_len = gb_snprintf(name_text, name_len, "%.*s.%.*s-%d", LIT(p->name), LIT(pd_name), guid);
+	name_len = gb_snprintf(name_text, name_len, "%.*s" ABI_PKG_NAME_SEPARATOR "%.*s-%d", LIT(p->name), LIT(pd_name), guid);
 	String name = make_string(cast(u8 *)name_text, name_len-1);
 
 	e->Procedure.link_name = name;