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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/runtime/go-print.c
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Diffstat (limited to 'libgo/runtime/go-print.c')
-rw-r--r--libgo/runtime/go-print.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/libgo/runtime/go-print.c b/libgo/runtime/go-print.c
new file mode 100644
index 000000000..095909de2
--- /dev/null
+++ b/libgo/runtime/go-print.c
@@ -0,0 +1,93 @@
+/* go-print.c -- support for the go print statement.
+
+ Copyright 2009 The Go Authors. All rights reserved.
+ Use of this source code is governed by a BSD-style
+ license that can be found in the LICENSE file. */
+
+#include <stdint.h>
+#include <stdio.h>
+
+#include "array.h"
+#include "go-panic.h"
+#include "go-string.h"
+#include "interface.h"
+
+/* This implements the various little functions which are called by
+ the predeclared functions print/println/panic/panicln. */
+
+void
+__go_print_space ()
+{
+ putchar (' ');
+}
+
+void
+__go_print_nl ()
+{
+ putchar ('\n');
+}
+
+void
+__go_print_string (struct __go_string val)
+{
+ printf ("%.*s", (int) val.__length, (const char *) val.__data);
+}
+
+void
+__go_print_uint64 (uint64_t val)
+{
+ printf ("%llu", (unsigned long long) val);
+}
+
+void
+__go_print_int64 (int64_t val)
+{
+ printf ("%lld", (long long) val);
+}
+
+void
+__go_print_double (double val)
+{
+ printf ("%.24g", val);
+}
+
+void
+__go_print_complex (__complex double val)
+{
+ printf ("(%.24g%s%.24gi)",
+ __builtin_creal (val),
+ (__builtin_cimag (val) >= 0 || __builtin_isnan (__builtin_cimag(val))
+ ? "+"
+ : ""),
+ __builtin_cimag (val));
+}
+
+void
+__go_print_bool (_Bool val)
+{
+ fputs (val ? "true" : "false", stdout);
+}
+
+void
+__go_print_pointer (void *val)
+{
+ printf ("%p", val);
+}
+
+void
+__go_print_empty_interface (struct __go_empty_interface e)
+{
+ printf ("(%p,%p)", e.__type_descriptor, e.__object);
+}
+
+void
+__go_print_interface (struct __go_interface i)
+{
+ printf ("(%p,%p)", i.__methods, i.__object);
+}
+
+void
+__go_print_slice (struct __go_open_array val)
+{
+ printf ("[%d/%d]%p", val.__count, val.__capacity, val.__values);
+}