72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
#include <xp/stx/stx.h>
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#include <xp/bas/stdio.h>
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#include <xp/stx/object.h>
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#include <xp/stx/context.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 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("%u -> %s\n"), 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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if (argc != 2) { // TODO: argument processing
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xp_printf (XP_TEXT("Usage: %s [-f imageFile] MainClass"), 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 %d\n"), stx.nil);
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xp_printf (XP_TEXT("stx.true %d\n"), stx.true);
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xp_printf (XP_TEXT("stx.false %d\n"), stx.false);
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xp_stx_hash_traverse (&stx, stx.symbol_table, print_symbol_names);
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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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