Created
December 2, 2012 11:16
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Magik Quine
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| _block | |
| _local quote_char << character.from_value(34) | |
| _local s << { | |
| "_block", | |
| " _local quote_char << character.from_value(34)", | |
| " _local s << {", | |
| " }", | |
| " _for line _over s.slice(1, 3).fast_elements()", | |
| " _loop", | |
| " write(line)", | |
| " _endloop", | |
| " _for line _over s.slice(1, s.size-1).fast_elements()", | |
| " _loop", | |
| " write(tab_char, quote_char, line, quote_char, %,)", | |
| " _endloop", | |
| " write(tab_char, quote_char, quote_char)", | |
| " _for line _over s.slice_to_end(4).fast_elements()", | |
| " _loop", | |
| " write(line)", | |
| " _endloop", | |
| "_endblock", | |
| "" | |
| } | |
| _for line _over s.slice(1, 3).fast_elements() | |
| _loop | |
| write(line) | |
| _endloop | |
| _for line _over s.slice(1, s.size-1).fast_elements() | |
| _loop | |
| write(tab_char, quote_char, line, quote_char, %,) | |
| _endloop | |
| write(tab_char, quote_char, quote_char) | |
| _for line _over s.slice_to_end(4).fast_elements() | |
| _loop | |
| write(line) | |
| _endloop | |
| _endblock |
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| _block | |
| _local actual, expected, line, ret, pos, | |
| st << internal_text_output_stream.new(), | |
| quine_source << system.pathname_down(system.pathname_up(!source_file!), "quine.magik") | |
| _block | |
| _dynamic !output! << st | |
| load_file(quine_source) | |
| _endblock | |
| actual << st.string | |
| _over 1.upto(3) | |
| _loop | |
| actual << actual.slice_to_end(actual.index_of(%newline)+1) | |
| _endloop | |
| _over 1.upto(2) | |
| _loop | |
| actual << actual.slice(1, actual.rindex_of(%newline)-1) | |
| _endloop | |
| st << external_text_input_stream.new(quine_source) | |
| _protect | |
| _local internal_stream << internal_text_output_stream.new() | |
| _loop | |
| _if (line << st.get_line()) _is _unset _then _leave _endif | |
| internal_stream.write(line, %newline) | |
| _endloop | |
| expected << internal_stream.string | |
| _protection | |
| st.close() | |
| _endprotect | |
| _if actual = expected | |
| _then | |
| write("OK!") | |
| _else | |
| write("FAIL!!!") | |
| (ret, pos) << actual.cf_subseq(expected) | |
| write("position: ", pos, " (line ", actual.slice(1, pos).occurrences_of(%newline), ")") | |
| write("expected:") | |
| write(expected.slice( | |
| expected.rindex_of(%newline, pos).default(1), | |
| expected.index_of(%newline, pos).default(expected.size)-1)) | |
| write("actual:") | |
| write(actual.slice( | |
| actual.rindex_of(%newline, pos).default(1), | |
| actual.index_of(%newline, pos).default(actual.size)-1)) | |
| _endif | |
| _endblock |
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