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changeset 35:2bdd8e2118c7

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Add tail pointer to List data segment
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Tue, 05 May 2015 21:16:04 +0900
parents c3314208d7b9
children 240c045ebab2
files src/list/list.c src/list/listContext.h
diffstat 2 files changed, 5 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/src/list/list.c	Tue May 05 18:07:12 2015 +0900
+++ b/src/list/list.c	Tue May 05 21:16:04 2015 +0900
@@ -20,7 +20,7 @@
 
 __code meta_code2(struct Context* context, enum Code next) {
     context->data[List]->list.head    = context->data[context->dataNum];
-    context->data[List]->list.current = context->data[List]->list.head;
+    context->data[List]->list.tail    = context->data[List]->list.head;
     context->data[context->dataNum]->element.next = 0;
     goto (context->code[next])(context);
 }
@@ -39,16 +39,13 @@
 }
 
 __code meta_append(struct Context* context, enum Code next) {
-    if (context->data[List]->list.current->element.next) {
-        context->data[List]->list.current = context->data[List]->list.current->element.next;
-        goto meta_append(context, next);
-    }
-    context->data[List]->list.current->element.next = context->data[context->dataNum];
+    context->data[List]->list.tail->element.next = context->data[context->dataNum];
+    context->data[List]->list.tail               = context->data[List]->list.tail->element.next;
+    context->data[List]->list.tail->element.next = 0;
     goto (context->code[next])(context);
 }
 
 __code append(struct Context* context) {
-    context->data[List]->list.current = context->data[List]->list.head;
     goto meta_append(context, context->data[Allocate]->allocate.after_append);
 }
 
--- a/src/list/listContext.h	Tue May 05 18:07:12 2015 +0900
+++ b/src/list/listContext.h	Tue May 05 21:16:04 2015 +0900
@@ -36,6 +36,7 @@
     long count;
     struct List {
         union Data* head;
+        union Data* tail;
         union Data* current;
     } list;
     struct Element {