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@ -1,52 +1,62 @@
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/*
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* $Id: context.c,v 1.4 2005-05-19 16:41:10 bacon Exp $
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* $Id: context.c,v 1.5 2005-05-21 16:11:06 bacon Exp $
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*/
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#include <xp/stx/context.h>
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#include <xp/stx/object.h>
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#define XP_STX_CONTEXT_SIZE 4
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#define XP_STX_CONTEXT_IP 0
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#define XP_STX_CONTEXT_METHOD 1
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#define XP_STX_CONTEXT_ARGUMENTS 2
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#define XP_STX_CONTEXT_TEMPORARIES 3
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#include <xp/stx/misc.h>
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xp_stx_word_t xp_stx_new_context (xp_stx_t* stx,
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xp_stx_word_t method, xp_stx_word_t args, xp_stx_word_t temp)
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{
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xp_stx_word_t context;
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xp_stx_context_t* obj;
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context = xp_stx_alloc_object(stx,XP_STX_CONTEXT_SIZE);
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/*
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XP_STX_CLASS(stx,context) = stx->class_context;
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XP_STX_AT(stx,context,XP_STX_CONTEXT_IP) = XP_STX_TO_SMALLINT(0);
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XP_STX_AT(stx,context,XP_STX_CONTEXT_METHOD) = method;
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XP_STX_AT(stx,context,XP_STX_CONTEXT_ARGUMENTS) = args;
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XP_STX_AT(stx,context,XP_STX_CONTEXT_TEMPORARIES) = temp;
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*/
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obj = (xp_stx_context_t*)XP_STX_OBJECT(stx,context);
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obj->header.class = stx->class_context;
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obj->ip = XP_STX_TO_SMALLINT(0);
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obj->method = method;
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obj->arguments = args;
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obj->temporaries = temp;
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return context;
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}
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static xp_stx_byte_t __fetch_byte (xp_stx_t* stx, xp_stx_word_t context)
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static xp_stx_byte_t __fetch_byte (
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xp_stx_t* stx, xp_stx_context_t* context_obj)
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{
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xp_stx_word_t method, ip;
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xp_stx_word_t ip, method;
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ip = XP_STX_AT(stx,context,XP_STX_CONTEXT_IP);
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method = XP_STX_AT(stx,context,XP_STX_CONTEXT_METHOD);
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xp_stx_assert (XP_STX_IS_SMALLINT(context_obj->ip));
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ip = XP_STX_FROM_SMALLINT(context_obj->ip);
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method = context_obj->method;
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/* increment instruction pointer */
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XP_STX_AT(stx,context,XP_STX_CONTEXT_IP) =
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XP_STX_TO_SMALLINT((XP_STX_FROM_SMALLINT(ip) + 1));
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context_obj->ip = XP_STX_TO_SMALLINT(ip + 1);
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return XP_STX_BYTEAT(stx,method,XP_STX_FROM_SMALLINT(ip));
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xp_stx_assert (XP_STX_TYPE(stx,method) == XP_STX_BYTE_INDEXED);
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return XP_STX_BYTEAT(stx,method,ip);
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}
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int xp_stx_run_context (xp_stx_t* stx, xp_stx_word_t context)
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{
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xp_stx_byte_t byte, operand;
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xp_stx_context_t* context_obj;
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context_obj = (xp_stx_context_t*)XP_STX_OBJECT(stx,context);
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while (!stx->__wantabort) {
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/* check_process_switch (); // hopefully */
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byte = __fetch_byte (stx, context);
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byte = __fetch_byte (stx, context_obj);
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#ifdef _DOS
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printf (XP_TEXT("code: %x\n"), byte);
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@ -56,10 +66,10 @@ xp_printf (XP_TEXT("code: %x\n"), byte);
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switch (byte) {
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case PUSH_OBJECT:
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operand = __fetch_byte (stx, context);
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operand = __fetch_byte (stx, context_obj);
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break;
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case SEND_UNARY_MESSAGE:
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operand = __fetch_byte (stx, context);
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operand = __fetch_byte (stx, context_obj);
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break;
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case HALT:
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goto exit_run_context;
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@ -1,5 +1,5 @@
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/*
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* $Id: context.h,v 1.1 2005-05-15 18:37:00 bacon Exp $
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* $Id: context.h,v 1.2 2005-05-21 16:11:06 bacon Exp $
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*/
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#ifndef _XP_STX_CONTEXT_H_
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@ -11,6 +11,23 @@
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#define SEND_UNARY_MESSAGE 0xB0
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#define HALT 0xFF
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#define XP_STX_CONTEXT_SIZE 4
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#define XP_STX_CONTEXT_IP 0
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#define XP_STX_CONTEXT_METHOD 1
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#define XP_STX_CONTEXT_ARGUMENTS 2
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#define XP_STX_CONTEXT_TEMPORARIES 3
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struct xp_stx_context_t
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{
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xp_stx_objhdr_t header;
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xp_stx_word_t ip;
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xp_stx_word_t method;
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xp_stx_word_t arguments;
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xp_stx_word_t temporaries;
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};
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typedef struct xp_stx_context_t xp_stx_context_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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@ -1,5 +1,5 @@
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/*
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* $Id: hash.c,v 1.14 2005-05-19 16:41:10 bacon Exp $
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* $Id: hash.c,v 1.15 2005-05-21 16:11:06 bacon Exp $
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*/
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#include <xp/stx/hash.h>
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@ -13,7 +13,7 @@ xp_stx_word_t xp_stx_new_pairlink (
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x = xp_stx_alloc_object (stx, XP_STX_PAIRLINK_SIZE);
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XP_STX_CLASS(stx,x) = stx->class_pairlink;
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/* XP_STX_AT(stx,x,XP_STX_PAIRLINK_LINK) = stx->nil; */
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XP_STX_AT(stx,x,XP_STX_PAIRLINK_LINK) = stx->nil;
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XP_STX_AT(stx,x,XP_STX_PAIRLINK_KEY) = key;
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XP_STX_AT(stx,x,XP_STX_PAIRLINK_VALUE) = value;
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