Diff: TARGET_SAMD21G18A/TOOLCHAIN_ARM_MICRO/tpaste.h

Revision:

171:3a7713b1edbc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_SAMD21G18A/TOOLCHAIN_ARM_MICRO/tpaste.h	Thu Nov 08 11:45:42 2018 +0000
@@ -0,0 +1,57 @@
+#ifndef _TPASTE_H_
+#define _TPASTE_H_
+
+/**
+ * \defgroup group_sam0_utils_tpaste Preprocessor - Token Paste
+ *
+ * \ingroup group_sam0_utils
+ *
+ * @{
+ */
+
+/** \name Token Paste
+ *
+ * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
+ *
+ * May be used only within macros with the tokens passed as arguments if the tokens are \#defined.
+ *
+ * For example, writing TPASTE2(U, WIDTH) within a macro \#defined by
+ * UTYPE(WIDTH) and invoked as UTYPE(UL_WIDTH) with UL_WIDTH \#defined as 32 is
+ * equivalent to writing U32.
+ *
+ * @{ */
+#define TPASTE2( a, b)                            a##b
+#define TPASTE3( a, b, c)                         a##b##c
+#define TPASTE4( a, b, c, d)                      a##b##c##d
+#define TPASTE5( a, b, c, d, e)                   a##b##c##d##e
+#define TPASTE6( a, b, c, d, e, f)                a##b##c##d##e##f
+#define TPASTE7( a, b, c, d, e, f, g)             a##b##c##d##e##f##g
+#define TPASTE8( a, b, c, d, e, f, g, h)          a##b##c##d##e##f##g##h
+#define TPASTE9( a, b, c, d, e, f, g, h, i)       a##b##c##d##e##f##g##h##i
+#define TPASTE10(a, b, c, d, e, f, g, h, i, j)    a##b##c##d##e##f##g##h##i##j
+/** @} */
+
+/** \name Absolute Token Paste
+ *
+ * Paste N preprocessing tokens together, these tokens being allowed to be \#defined.
+ *
+ * No restriction of use if the tokens are \#defined.
+ *
+ * For example, writing ATPASTE2(U, UL_WIDTH) anywhere with UL_WIDTH \#defined
+ * as 32 is equivalent to writing U32.
+ *
+ * @{ */
+#define ATPASTE2( a, b)                           TPASTE2( a, b)
+#define ATPASTE3( a, b, c)                        TPASTE3( a, b, c)
+#define ATPASTE4( a, b, c, d)                     TPASTE4( a, b, c, d)
+#define ATPASTE5( a, b, c, d, e)                  TPASTE5( a, b, c, d, e)
+#define ATPASTE6( a, b, c, d, e, f)               TPASTE6( a, b, c, d, e, f)
+#define ATPASTE7( a, b, c, d, e, f, g)            TPASTE7( a, b, c, d, e, f, g)
+#define ATPASTE8( a, b, c, d, e, f, g, h)         TPASTE8( a, b, c, d, e, f, g, h)
+#define ATPASTE9( a, b, c, d, e, f, g, h, i)      TPASTE9( a, b, c, d, e, f, g, h, i)
+#define ATPASTE10(a, b, c, d, e, f, g, h, i, j)   TPASTE10(a, b, c, d, e, f, g, h, i, j)
+/** @} */
+
+/** @} */
+
+#endif  // _TPASTE_H_