110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
#include <xp/stx/stx.h>
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#ifdef _DOS
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#include <stdio.h>
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#define xp_printf printf
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#else
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#include <xp/bas/stdio.h>
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#include <xp/bas/locale.h>
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#endif
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#include <xp/stx/object.h>
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#include <xp/stx/symbol.h>
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#include <xp/stx/context.h>
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#include <xp/stx/class.h>
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#include <xp/stx/hash.h>
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void print_symbol_names (xp_stx_t* stx, xp_stx_word_t sym)
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{
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xp_printf (XP_TEXT("%lu [%s]\n"), (unsigned long)sym, &XP_STX_CHARAT(stx,sym,0));
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}
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void print_symbol_names_2 (xp_stx_t* stx, xp_stx_word_t idx)
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{
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xp_stx_word_t key = XP_STX_AT(stx,idx,1);
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xp_printf (XP_TEXT("%lu [%s]\n"), (unsigned long)key, &XP_STX_CHARAT(stx,key,0));
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}
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int xp_main (int argc, xp_char_t* argv[])
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{
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xp_stx_t stx;
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xp_stx_word_t i;
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#ifndef _DOS
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if (xp_setlocale () == -1) {
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printf ("cannot set locale\n");
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return -1;
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}
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#endif
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if (argc != 2) { /* TODO: argument processing */
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xp_printf (XP_TEXT("Usage: %s [-f imageFile] MainClass\n"), argv[0]);
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return -1;
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}
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if (xp_stx_open (&stx, 10000) == XP_NULL) {
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xp_printf (XP_TEXT("cannot open stx\n"));
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return -1;
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}
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if (xp_stx_bootstrap(&stx) == -1) {
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xp_stx_close (&stx);
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xp_printf (XP_TEXT("cannot bootstrap\n"));
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return -1;
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}
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xp_printf (XP_TEXT("stx.nil %lu\n"), (unsigned long)stx.nil);
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xp_printf (XP_TEXT("stx.true %lu\n"), (unsigned long)stx.true);
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xp_printf (XP_TEXT("stx.false %lu\n"), (unsigned long)stx.false);
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xp_printf (XP_TEXT("-------------\n"));
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xp_stx_traverse_symbol_table (&stx, print_symbol_names);
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xp_printf (XP_TEXT("-------------\n"));
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xp_stx_hash_traverse (&stx, stx.smalltalk, print_symbol_names_2);
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xp_printf (XP_TEXT("-------------\n"));
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{
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xp_size_t n;
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xp_stx_class_t* obj;
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n = xp_stx_lookup_class (&stx, XP_STX_TEXT("UndefinedObject"));
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obj = (xp_stx_class_t*)XP_STX_WORD_OBJECT(&stx,n);
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xp_printf (XP_TEXT("name of class UndefinedObject: %lu, %s\n"),
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(unsigned long)obj->name,
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XP_STX_DATA(&stx, obj->name));
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}
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xp_printf (XP_TEXT("-------------\n"));
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{
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xp_stx_word_t class_name, method_name;
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xp_stx_word_t main_class;
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xp_stx_word_t method, context;
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class_name = xp_stx_new_symbol (&stx,argv[1]);
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method_name = xp_stx_new_symbol (&stx,XP_STX_TEXT("main"));
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if (xp_stx_lookup_global (&stx,class_name,&main_class) == -1) {
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xp_printf (XP_TEXT("non-existent class: %s\n"), argv[1]);
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return -1;
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}
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method = xp_stx_alloc_byte_object (&stx,100);
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XP_STX_CLASS(&stx,method) = stx.class_method;
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XP_STX_BYTEAT(&stx,method,0) = PUSH_OBJECT;
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XP_STX_BYTEAT(&stx,method,1) = main_class;
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XP_STX_BYTEAT(&stx,method,2) = SEND_UNARY_MESSAGE;
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XP_STX_BYTEAT(&stx,method,3) = method_name;
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XP_STX_BYTEAT(&stx,method,4) = HALT;
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context = xp_stx_new_context (&stx, method, stx.nil, stx.nil);
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xp_stx_run_context (&stx, context);
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}
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xp_stx_close (&stx);
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xp_printf (XP_TEXT("== End of program ==\n"));
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return 0;
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}
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