fix importing global variables

self_hosted/runs_wrong.txt

@@ -6,10 +6,7 @@ tests/other_errors/noreturn_but_return_with_value.jou
 tests/other_errors/noreturn_but_return_without_value.jou
 tests/should_succeed/compiler_cli.jou
 tests/should_succeed/pointer.jou
-tests/should_succeed/printf.jou
 tests/other_errors/return_void.jou
-tests/should_succeed/stderr.jou
-tests/should_succeed/unused_import.jou
 tests/wrong_type/cannot_be_indexed.jou
 tests/wrong_type/index.jou
 tests/syntax_error/assign_to_None.jou

self_hosted/typecheck.jou

@@ -42,6 +42,7 @@ def can_cast_implicitly(from: Type*, to: Type*) -> bool:
         or (from->is_pointer_type() and to->is_pointer_type() and (from == &void_ptr_type or to == &void_ptr_type))
     )
 
+
 def can_cast_explicitly(from: Type*, to: Type*) -> bool:
     return (
         from == to
@@ -53,6 +54,7 @@ def can_cast_explicitly(from: Type*, to: Type*) -> bool:
         or (from == &bool_type and to->is_integer_type())
     )
 
+
 # Implicit casts are used in many places, e.g. function arguments.
 #
 # When you pass an argument of the wrong type, it's best to give an error message
@@ -115,6 +117,7 @@ class ExportSymbol:
         else:
             assert False
 
+
 class ExpressionTypes:
     expression: AstExpression*
     original_type: Type*
@@ -237,7 +240,8 @@ class FileTypes:
             self->all_functions = realloc(self->all_functions, sizeof self->all_functions[0] * (self->n_all_functions + 1))
             self->all_functions[self->n_all_functions++] = symbol->signature.copy()
         elif symbol->kind == ExportSymbolKind::GlobalVariable:
-            pass  # TODO
+            self->globals = realloc(self->globals, sizeof(self->globals[0]) * (self->nglobals + 1))
+            self->globals[self->nglobals++] = GlobalVariable{name = symbol->name, type = symbol->type}
         else:
             symbol->print()
             assert False