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define current-*-ports in port.c

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This commit is contained in:
Yuichi Nishiwaki
2014-07-23 09:24:28 +09:00
parent 8846776f2f
commit aeb9c2bcee
2 changed files with 16 additions and 15 deletions
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src/port.c
+16 -5
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@@ -11,6 +11,7 @@
#include "picrin/port.h"
#include "picrin/string.h"
#include "picrin/blob.h"
#include "picrin/var.h"
pic_value
pic_eof_object()
@@ -42,7 +43,7 @@ pic_stdout(pic_state *pic)
return pic_port_ptr(pic_apply(pic, proc, pic_nil_value()));
}
static pic_value
static struct pic_port *
port_new_stdport(pic_state *pic, xFILE *file, short dir)
{
struct pic_port *port;
@@ -51,7 +52,7 @@ port_new_stdport(pic_state *pic, xFILE *file, short dir)
port->file = file;
port->flags = dir | PIC_PORT_TEXT;
port->status = PIC_PORT_OPEN;
return pic_obj_value(port);
return port;
}
struct pic_port *
@@ -688,12 +689,22 @@ pic_port_flush(pic_state *pic)
void
pic_init_port(pic_state *pic)
{
struct pic_port *STDIN, *STDOUT, *STDERR;
STDIN = port_new_stdport(pic, xstdin, PIC_PORT_IN);
STDOUT = port_new_stdport(pic, xstdout, PIC_PORT_OUT);
STDERR = port_new_stdport(pic, xstderr, PIC_PORT_OUT);
pic_deflibrary ("(picrin port)") {
pic_define(pic, "standard-input-port", port_new_stdport(pic, xstdin, PIC_PORT_IN));
pic_define(pic, "standard-output-port", port_new_stdport(pic, xstdout, PIC_PORT_OUT));
pic_define(pic, "standard-error-port", port_new_stdport(pic, xstderr, PIC_PORT_OUT));
pic_define(pic, "standard-input-port", pic_obj_value(STDIN));
pic_define(pic, "standard-output-port", pic_obj_value(STDOUT));
pic_define(pic, "standard-error-port", pic_obj_value(STDERR));
}
pic_define(pic, "current-input-port", pic_obj_value(pic_var_new(pic, pic_obj_value(STDIN), NULL)));
pic_define(pic, "current-output-port", pic_obj_value(pic_var_new(pic, pic_obj_value(STDOUT), NULL)));
pic_define(pic, "current-error-port", pic_obj_value(pic_var_new(pic, pic_obj_value(STDERR), NULL)));
pic_defun(pic, "input-port?", pic_port_input_port_p);
pic_defun(pic, "output-port?", pic_port_output_port_p);
pic_defun(pic, "textual-port?", pic_port_textual_port_p);