gcc/libgo/runtime/go-print.c

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/* 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);
}