Added CT_SWITCH parsing in top level. Nil changed to null. Parsing more in line with grammar. Parse type as expressions. Zero init by default for locals. Corrected bool/fp conversion. Add memcpy pass to fix issue with value load/stores.

src/compiler/llvm_codegen_function.c

@@ -334,15 +334,7 @@ void gencontext_emit_extern_decl(GenContext *context, Decl *decl)
 			break;
 		case DECL_ENUM:
 			TODO
-		case DECL_ARRAY_VALUE:
-		case DECL_IMPORT:
-		case DECL_MACRO:
-		case DECL_GENERIC:
-		case DECL_CT_IF:
-		case DECL_CT_ELSE:
-		case DECL_CT_ELIF:
-		case DECL_ATTRIBUTE:
-		case DECL_LABEL:
+		case NON_TYPE_DECLS:
 			UNREACHABLE
 	}
 }