42 lines
954 B
Awk
42 lines
954 B
Awk
# generate instruction dispatch table for VM.
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# qseawk -f genbct.awk moo-prv.h
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#
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# TODO: rewrite this script in moo itself.
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#
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BEGIN {
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on = 0;
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for (i = 0; i < 255; i++) code_label[i] = "&&case_DEFAULT";
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}
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/^enum moo_bcode_t$/ { on = 1; }
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/^enum moo_bcode_t {$/ { on = 2; }
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/^{$/ { if (on == 1) on = 2; else on = 0; }
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/^};$/ { on = 0; }
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on == 2 && match($0, /^[[:space:]]*BCODE_([[:alnum:]_]+)[[:space:]]*=[[:space:]]*(0x[[:xdigit:]]+)/, 1, sm) >= 1 {
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count = length(sm) \ 2;
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if (count == 2)
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{
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name = substr ($0, sm[1,"start"], sm[1,"length"]);
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code = substr ($0, sm[2,"start"], sm[2,"length"]);
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code_label[int(code)] = "&&case_BCODE_" name;
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}
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}
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END {
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printf ("/* generated by genbct.awk */\n\n");
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##printf ("\tstatic void* inst_jump_labels[] =\n");
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##printf ("\t{\n");
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for (i = 0; i < 255; i++)
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{
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printf ("\t\t/* %3d */ %s,\n", i, code_label[i]);
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}
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printf ("\t\t/* %3d */ %s\n", i, code_label[i]);
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##printf ("\t};\n");
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}
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