71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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* $Id: stx.c,v 1.40 2005-12-05 15:11:29 bacon Exp $
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*/
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#include <xp/stx/stx.h>
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#include <xp/stx/memory.h>
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#include <xp/stx/misc.h>
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xp_stx_t* xp_stx_open (xp_stx_t* stx, xp_word_t capacity)
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{
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xp_word_t i;
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if (stx == XP_NULL) {
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stx = (xp_stx_t*)xp_malloc (xp_sizeof(stx));
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if (stx == XP_NULL) return XP_NULL;
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stx->__dynamic = xp_true;
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}
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else stx->__dynamic = xp_false;
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if (xp_stx_memory_open (&stx->memory, capacity) == XP_NULL) {
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if (stx->__dynamic) xp_free (stx);
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return XP_NULL;
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}
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stx->symtab.size = 0;
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stx->symtab.capacity = 128; /* TODO: symbol table size */
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stx->symtab.datum = (xp_word_t*)xp_malloc (
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xp_sizeof(xp_word_t) * stx->symtab.capacity);
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if (stx->symtab.datum == XP_NULL) {
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xp_stx_memory_close (&stx->memory);
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if (stx->__dynamic) xp_free (stx);
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return XP_NULL;
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}
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stx->nil = XP_STX_NIL;
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stx->true = XP_STX_TRUE;
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stx->false = XP_STX_FALSE;
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stx->smalltalk = XP_STX_NIL;
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stx->class_symbol = XP_STX_NIL;
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stx->class_metaclass = XP_STX_NIL;
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stx->class_association = XP_STX_NIL;
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stx->class_object = XP_STX_NIL;
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stx->class_class = XP_STX_NIL;
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stx->class_array = XP_STX_NIL;
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stx->class_bytearray = XP_STX_NIL;
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stx->class_string = XP_STX_NIL;
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stx->class_character = XP_STX_NIL;
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stx->class_context = XP_STX_NIL;
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stx->class_system_dictionary = XP_STX_NIL;
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stx->class_method = XP_STX_NIL;
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stx->class_smallinteger = XP_STX_NIL;
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for (i = 0; i < stx->symtab.capacity; i++) {
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stx->symtab.datum[i] = stx->nil;
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}
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stx->__wantabort = xp_false;
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return stx;
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}
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void xp_stx_close (xp_stx_t* stx)
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{
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xp_free (stx->symtab.datum);
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xp_stx_memory_close (&stx->memory);
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if (stx->__dynamic) xp_free (stx);
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}
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