From 5def1df32043e73d62e542be56afb0abaeff3a6f Mon Sep 17 00:00:00 2001
From: Yuichi Nishiwaki <yuichi.nishiwaki@gmail.com>
Date: Mon, 8 Jun 2015 21:04:04 +0900
Subject: [PATCH] s/pic_winder/pic_checkpoint/g

---
 contrib/03.callcc/callcc.c        | 22 +++++++++++-----------
 extlib/benz/cont.c                | 24 ++++++++++++------------
 extlib/benz/gc.c                  | 20 ++++++++++----------
 extlib/benz/include/picrin.h      |  8 ++++----
 extlib/benz/include/picrin/cont.h |  4 ++--
 extlib/benz/state.c               | 18 +++++++++---------
 6 files changed, 48 insertions(+), 48 deletions(-)

diff --git a/contrib/03.callcc/callcc.c b/contrib/03.callcc/callcc.c
index c51a7861..e013836f 100644
--- a/contrib/03.callcc/callcc.c
+++ b/contrib/03.callcc/callcc.c
@@ -5,7 +5,7 @@ struct pic_fullcont {
 
   pic_jmpbuf *prev_jmp;
 
-  struct pic_winder *wind;
+  pic_checkpoint *cp;
 
   char *stk_pos, *stk_ptr;
   ptrdiff_t stk_len;
@@ -45,19 +45,19 @@ static void
 cont_mark(pic_state *pic, void *data, void (*mark)(pic_state *, pic_value))
 {
   struct pic_fullcont *cont = data;
-  struct pic_winder *wind;
+  pic_checkpoint *cp;
   pic_value *stack;
   pic_callinfo *ci;
   struct pic_proc **xp;
   size_t i;
 
-  /* winder */
-  for (wind = cont->wind; wind != NULL; wind = wind->prev) {
-    if (wind->in) {
-      mark(pic, pic_obj_value(wind->in));
+  /* checkpoint */
+  for (cp = cont->cp; cp != NULL; cp = cp->prev) {
+    if (cp->in) {
+      mark(pic, pic_obj_value(cp->in));
     }
-    if (wind->out) {
-      mark(pic, pic_obj_value(wind->out));
+    if (cp->out) {
+      mark(pic, pic_obj_value(cp->out));
     }
   }
 
@@ -119,7 +119,7 @@ save_cont(pic_state *pic, struct pic_fullcont **c)
 
   cont->prev_jmp = pic->jmp;
 
-  cont->wind = pic->wind;
+  cont->cp = pic->cp;
 
   cont->stk_len = native_stack_length(pic, &pos);
   cont->stk_pos = pos;
@@ -176,7 +176,7 @@ restore_cont(pic_state *pic, struct pic_fullcont *cont)
 
   pic->jmp = cont->prev_jmp;
 
-  pic->wind = cont->wind;
+  pic->cp = cont->cp;
 
   pic->stbase = pic_realloc(pic, pic->stbase, sizeof(pic_value) * cont->st_len);
   memcpy(pic->stbase, cont->st_ptr, sizeof(pic_value) * cont->st_len);
@@ -220,7 +220,7 @@ cont_call(pic_state *pic)
   cont->results = pic_list_by_array(pic, argc, argv);
 
   /* execute guard handlers */
-  pic_wind(pic, pic->wind, cont->wind);
+  pic_wind(pic, pic->cp, cont->cp);
 
   restore_cont(pic, cont);
 }
diff --git a/extlib/benz/cont.c b/extlib/benz/cont.c
index dd021989..b08f50cc 100644
--- a/extlib/benz/cont.c
+++ b/extlib/benz/cont.c
@@ -5,7 +5,7 @@
 #include "picrin.h"
 
 void
-pic_wind(pic_state *pic, struct pic_winder *here, struct pic_winder *there)
+pic_wind(pic_state *pic, pic_checkpoint *here, pic_checkpoint *there)
 {
   if (here == there)
     return;
@@ -23,23 +23,23 @@ pic_wind(pic_state *pic, struct pic_winder *here, struct pic_winder *there)
 pic_value
 pic_dynamic_wind(pic_state *pic, struct pic_proc *in, struct pic_proc *thunk, struct pic_proc *out)
 {
-  struct pic_winder *here;
+  pic_checkpoint *here;
   pic_value val;
 
   if (in != NULL) {
     pic_apply0(pic, in);        /* enter */
   }
 
-  here = pic->wind;
-  pic->wind = pic_malloc(pic, sizeof(struct pic_winder));
-  pic->wind->prev = here;
-  pic->wind->depth = here->depth + 1;
-  pic->wind->in = in;
-  pic->wind->out = out;
+  here = pic->cp;
+  pic->cp = pic_malloc(pic, sizeof(pic_checkpoint));
+  pic->cp->prev = here;
+  pic->cp->depth = here->depth + 1;
+  pic->cp->in = in;
+  pic->cp->out = out;
 
   val = pic_apply0(pic, thunk);
 
-  pic->wind = here;
+  pic->cp = here;
 
   if (out != NULL) {
     pic_apply0(pic, out);       /* exit */
@@ -55,7 +55,7 @@ pic_save_point(pic_state *pic, struct pic_cont *cont)
   pic->jmp = &cont->jmp;
 
   /* save runtime context */
-  cont->wind = pic->wind;
+  cont->cp = pic->cp;
   cont->sp_offset = pic->sp - pic->stbase;
   cont->ci_offset = pic->ci - pic->cibase;
   cont->xp_offset = pic->xp - pic->xpbase;
@@ -79,10 +79,10 @@ pic_load_point(pic_state *pic, struct pic_cont *cont)
     pic_errorf(pic, "calling dead escape continuation");
   }
 
-  pic_wind(pic, pic->wind, cont->wind);
+  pic_wind(pic, pic->cp, cont->cp);
 
   /* load runtime context */
-  pic->wind = cont->wind;
+  pic->cp = cont->cp;
   pic->sp = pic->stbase + cont->sp_offset;
   pic->ci = pic->cibase + cont->ci_offset;
   pic->xp = pic->xpbase + cont->xp_offset;
diff --git a/extlib/benz/gc.c b/extlib/benz/gc.c
index 426a9256..bf9f37ef 100644
--- a/extlib/benz/gc.c
+++ b/extlib/benz/gc.c
@@ -324,16 +324,16 @@ gc_unmark(union header *p)
 }
 
 static void
-gc_mark_winder(pic_state *pic, struct pic_winder *wind)
+gc_mark_checkpoint(pic_state *pic, pic_checkpoint *cp)
 {
-  if (wind->prev) {
-    gc_mark_object(pic, (struct pic_object *)wind->prev);
+  if (cp->prev) {
+    gc_mark_object(pic, (struct pic_object *)cp->prev);
   }
-  if (wind->in) {
-    gc_mark_object(pic, (struct pic_object *)wind->in);
+  if (cp->in) {
+    gc_mark_object(pic, (struct pic_object *)cp->in);
   }
-  if (wind->out) {
-    gc_mark_object(pic, (struct pic_object *)wind->out);
+  if (cp->out) {
+    gc_mark_object(pic, (struct pic_object *)cp->out);
   }
 }
 
@@ -538,9 +538,9 @@ gc_mark_phase(pic_state *pic)
   xh_entry *it;
   struct pic_object *obj;
 
-  /* winder */
-  if (pic->wind) {
-    gc_mark_winder(pic, pic->wind);
+  /* checkpoint */
+  if (pic->cp) {
+    gc_mark_checkpoint(pic, pic->cp);
   }
 
   /* stack */
diff --git a/extlib/benz/include/picrin.h b/extlib/benz/include/picrin.h
index 1d333a98..5c4bea31 100644
--- a/extlib/benz/include/picrin.h
+++ b/extlib/benz/include/picrin.h
@@ -53,12 +53,12 @@ typedef struct pic_jmpbuf {
   struct pic_jmpbuf *prev;
 } pic_jmpbuf;
 
-struct pic_winder {
+typedef struct pic_checkpoint {
   struct pic_proc *in;
   struct pic_proc *out;
   int depth;
-  struct pic_winder *prev;
-};
+  struct pic_checkpoint *prev;
+} pic_checkpoint;
 
 typedef struct {
   int argc, retc;
@@ -79,7 +79,7 @@ typedef struct {
   pic_allocf allocf;
 
   pic_jmpbuf *jmp;
-  struct pic_winder *wind;
+  pic_checkpoint *cp;
 
   pic_value *sp;
   pic_value *stbase, *stend;
diff --git a/extlib/benz/include/picrin/cont.h b/extlib/benz/include/picrin/cont.h
index a5d83ebc..a20263ab 100644
--- a/extlib/benz/include/picrin/cont.h
+++ b/extlib/benz/include/picrin/cont.h
@@ -12,7 +12,7 @@ extern "C" {
 struct pic_cont {
   pic_jmpbuf jmp;
 
-  struct pic_winder *wind;
+  pic_checkpoint *cp;
 
   ptrdiff_t sp_offset;
   ptrdiff_t ci_offset;
@@ -29,7 +29,7 @@ void pic_load_point(pic_state *, struct pic_cont *);
 
 struct pic_proc *pic_make_cont(pic_state *, struct pic_cont *);
 
-void pic_wind(pic_state *, struct pic_winder *, struct pic_winder *);
+void pic_wind(pic_state *, pic_checkpoint *, pic_checkpoint *);
 pic_value pic_dynamic_wind(pic_state *, struct pic_proc *, struct pic_proc *, struct pic_proc *);
 
 pic_value pic_values0(pic_state *);
diff --git a/extlib/benz/state.c b/extlib/benz/state.c
index 2dd19c2c..3bd6f639 100644
--- a/extlib/benz/state.c
+++ b/extlib/benz/state.c
@@ -160,7 +160,7 @@ pic_open(int argc, char *argv[], char **envp, pic_allocf allocf)
   pic->jmp = NULL;
 
   /* root block */
-  pic->wind = NULL;
+  pic->cp = NULL;
 
   /* command line */
   pic->argc = argc;
@@ -329,10 +329,10 @@ pic_open(int argc, char *argv[], char **envp, pic_allocf allocf)
   pic->macros = pic_make_dict(pic);
 
   /* root block */
-  pic->wind = pic_malloc(pic, sizeof(struct pic_winder));
-  pic->wind->prev = NULL;
-  pic->wind->depth = 0;
-  pic->wind->in = pic->wind->out = NULL;
+  pic->cp = pic_malloc(pic, sizeof(pic_checkpoint));
+  pic->cp->prev = NULL;
+  pic->cp->depth = 0;
+  pic->cp->in = pic->cp->out = NULL;
 
   /* reader */
   pic->reader = pic_reader_open(pic);
@@ -378,11 +378,11 @@ pic_close(pic_state *pic)
   pic_allocf allocf = pic->allocf;
 
   /* invoke exit handlers */
-  while (pic->wind) {
-    if (pic->wind->out) {
-      pic_apply0(pic, pic->wind->out);
+  while (pic->cp) {
+    if (pic->cp->out) {
+      pic_apply0(pic, pic->cp->out);
     }
-    pic->wind = pic->wind->prev;
+    pic->cp = pic->cp->prev;
   }
 
   /* free symbol names */