ast2firm: Implement casting from complex to real types.

[cparser] / lang_features.h

diff --git a/lang_features.h b/lang_features.h
index 87591a5..f230b2d 100644 (file)
--- a/lang_features.h
+++ b/lang_features.h
@@ -1,22 +1,43 @@
+/*
+ * This file is part of cparser.
+ * Copyright (C) 2012 Matthias Braun <matze@braunis.de>
+ */
 #ifndef LANG_FEATURES_H
 #define LANG_FEATURES_H
 
-enum lang_features {
-       _ANCIENT = 1,
-       _ANSI    = 2,
-       _C99     = 4,
-       _GNUC    = 8,
-       _MS      = 16,
-       _ALL     = 0xFF
-};
+#include "type.h"
 
-/* the current C mode/dialect */
+#define BITS_PER_BYTE    8
+
+typedef enum lang_features_t {
+       _C89  = 1U << 0,
+       _C99  = 1U << 1,
+       _C11  = 1U << 2,
+       _CXX  = 1U << 3,
+       _GNUC = 1U << 4,
+       _MS   = 1U << 5,
+       _ALL  = 0xFF
+} lang_features_t;
+
+/** the current C mode/dialect */
 extern unsigned int c_mode;
 
-/* the 'machine size', 16, 32 or 64 bit */
-extern unsigned int machine_size;
+/**
+ * whether architecture shift instructions usually perform modulo bit_size
+ * on the shift amount, if yes this equals to the machine_size.
+ */
+extern unsigned int architecture_modulo_shift;
+
+/** byte-order: true = big-endian, false = little-endian */
+extern bool byte_order_big_endian;
+
+/** true for strict language checking. */
+extern bool strict_mode;
+
+/** a hack that adds a call to __main into the main function, necessary on
+ * mingw */
+extern bool enable_main_collect2_hack;
 
-/* true if the char type is signed */
-extern bool char_is_signed;
+extern bool freestanding;
 
 #endif