Refactor port encoding modes: utf-8 and iconv

[bpt/guile.git] / libguile / control.h

diff --git a/libguile/control.h b/libguile/control.h
index 8354c7e..2167ffa 100644 (file)
--- a/libguile/control.h
+++ b/libguile/control.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2010  Free Software Foundation, Inc.
+/* Copyright (C) 2010, 2011  Free Software Foundation, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
@@ -20,7 +20,41 @@
 #define SCM_CONTROL_H
 
 
-SCM_INTERNAL void scm_register_control (void);
+#define SCM_F_PROMPT_ESCAPE 0x1
+
+#define SCM_PROMPT_P(x)                (!SCM_IMP (x) && SCM_TYP7(x) == scm_tc7_prompt)
+#define SCM_PROMPT_FLAGS(x)    (SCM_CELL_WORD ((x), 0) >> 8)
+#define SCM_PROMPT_ESCAPE_P(x) (SCM_PROMPT_FLAGS (x) & SCM_F_PROMPT_ESCAPE)
+#define SCM_PROMPT_TAG(x)      (SCM_CELL_OBJECT ((x), 1))
+#define SCM_PROMPT_REGISTERS(x)        ((struct scm_prompt_registers*)SCM_CELL_WORD ((x), 2))
+#define SCM_PROMPT_DYNWINDS(x) (SCM_CELL_OBJECT ((x), 3))
+
+#define SCM_PROMPT_SETJMP(p)   (SCM_I_SETJMP (SCM_PROMPT_REGISTERS (p)->regs))
+
+struct scm_prompt_registers
+{
+  scm_t_uint8 *ip;
+  SCM *sp;
+  SCM *fp;
+  scm_t_int64 cookie;
+  scm_i_jmp_buf regs;  
+};
+
+
+SCM_INTERNAL SCM scm_c_make_prompt (SCM k, SCM *fp, SCM *sp,
+                                    scm_t_uint8 *abort_ip,
+                                    scm_t_uint8 escape_only_p,
+                                    scm_t_int64 vm_cookie,
+                                    SCM winds);
+SCM_INTERNAL SCM scm_i_prompt_pop_abort_args_x (SCM vm);
+
+SCM_INTERNAL void scm_c_abort (SCM vm, SCM tag, size_t n, SCM *argv,
+                               scm_t_int64 cookie) SCM_NORETURN;
+SCM_INTERNAL SCM scm_at_abort (SCM tag, SCM args) SCM_NORETURN;
+
+
+SCM_INTERNAL void scm_i_prompt_print (SCM exp, SCM port, scm_print_state *pstate);
+SCM_INTERNAL void scm_init_control (void);
 
 
 #endif /* SCM_CONTROL_H */