1/* 2 * @LANG: indep 3 */ 4 5char comm; 6int top; 7int stack[32]; 8ptr ts; 9ptr te; 10int act; 11int val; 12%% 13%%{ 14 machine GotoCallRet; 15 16 sp = ' '; 17 18 handle := any @{ 19 prints "handle "; 20 fhold; 21 if ( val == 1 ) fnext *fentry(one); 22 if ( val == 2 ) fnext *fentry(two); 23 if ( val == 3 ) fnext main; 24 }; 25 26 one := |* 27 '{' => { prints "{ "; fcall *fentry(one); }; 28 "[" => { prints "[ "; fcall *fentry(two); }; 29 "}" sp* => { prints "} "; fret; }; 30 [a-z]+ => { prints "word "; val = 1; fgoto *fentry(handle); }; 31 ' ' => { prints "space "; }; 32 *|; 33 34 two := |* 35 '{' => { prints "{ "; fcall *fentry(one); }; 36 "[" => { prints "[ "; fcall *fentry(two); }; 37 ']' sp* => { prints "] "; fret; }; 38 [a-z]+ => { prints "word "; val = 2; fgoto *fentry(handle); }; 39 ' ' => { prints "space "; }; 40 *|; 41 42 main := |* 43 '{' => { prints "{ "; fcall one; }; 44 "[" => { prints "[ "; fcall two; }; 45 [a-z]+ => { prints "word "; val = 3; fgoto handle; }; 46 [a-z] ' foil' => { prints "this is the foil";}; 47 ' ' => { prints "space "; }; 48 '\n'; 49 *|; 50}%% 51/* _____INPUT_____ 52"{a{b[c d]d}c}\n" 53"[a{b[c d]d}c}\n" 54"[a[b]c]d{ef{g{h}i}j}l\n" 55"{{[]}}\n" 56"a b c\n" 57"{a b c}\n" 58"[a b c]\n" 59"{]\n" 60"{{}\n" 61"[[[[[[]]]]]]\n" 62"[[[[[[]]}]]]\n" 63_____INPUT_____ */ 64/* _____OUTPUT_____ 65{ word handle { word handle [ word handle space word handle ] word handle } word handle } ACCEPT 66[ word handle { word handle [ word handle space word handle ] word handle } word handle FAIL 67[ word handle [ word handle ] word handle ] word handle { word handle { word handle { word handle } word handle } word handle } word handle ACCEPT 68{ { [ ] } } ACCEPT 69word handle space word handle space word handle ACCEPT 70{ word handle space word handle space word handle } ACCEPT 71[ word handle space word handle space word handle ] ACCEPT 72{ FAIL 73{ { } FAIL 74[ [ [ [ [ [ ] ] ] ] ] ] ACCEPT 75[ [ [ [ [ [ ] ] FAIL 76_____OUTPUT_____ */ 77 78