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arangodb/3rdParty/mruby/src/print.c

72 lines
1.3 KiB
C

/*
** print.c - Kernel.#p
**
** See Copyright Notice in mruby.h
*/
#include "mruby.h"
#include "mruby/string.h"
static void
printstr(mrb_state *mrb, mrb_value obj)
{
#ifdef ENABLE_STDIO
struct RString *str;
char *s;
int len;
if (mrb_string_p(obj)) {
str = mrb_str_ptr(obj);
s = str->ptr;
len = str->len;
fwrite(s, len, 1, stdout);
}
#endif
}
void
mrb_p(mrb_state *mrb, mrb_value obj)
{
#ifdef ENABLE_STDIO
obj = mrb_funcall(mrb, obj, "inspect", 0);
printstr(mrb, obj);
putc('\n', stdout);
#endif
}
void
mrb_print_error(mrb_state *mrb)
{
#ifdef ENABLE_STDIO
mrb_value s;
mrb_print_backtrace(mrb);
s = mrb_funcall(mrb, mrb_obj_value(mrb->exc), "inspect", 0);
if (mrb_string_p(s)) {
struct RString *str = mrb_str_ptr(s);
fwrite(str->ptr, str->len, 1, stderr);
putc('\n', stderr);
}
#endif
}
void
mrb_show_version(mrb_state *mrb)
{
static const char version_msg[] = "mruby - Embeddable Ruby Copyright (c) 2010-2013 mruby developers\n";
mrb_value msg;
msg = mrb_str_new(mrb, version_msg, sizeof(version_msg) - 1);
printstr(mrb, msg);
}
void
mrb_show_copyright(mrb_state *mrb)
{
static const char copyright_msg[] = "mruby - Copyright (c) 2010-2013 mruby developers\n";
mrb_value msg;
msg = mrb_str_new(mrb, copyright_msg, sizeof(copyright_msg) - 1);
printstr(mrb, msg);
}