Visualize the Thompson-McNaughton-Yamada construction NFA for a given regular expression. The subset construction algorithm is also applied to the resultant NFA, resulting in a language-equivalent deterministic finite-state automata (DFA).Enter a regular expression: e.g. a*(b|cd)* ...
In this article: first, a smart parsing algorithm is developed which constructs a parse tree with at most (3l 1) nodes form a regular expression with l literals; second, we propose an algorithm that works on the resulting NFA from Thompson's construction, eliminating as many auxiliary states...
εiε N(r1)εεf NFAforr1|r2 N(r2)◎2005ECNUSEI Compilers:Principles,Techniques,andTools 3 Thompson’sConstruction(cont.)Forregularexpressionr1r2 iN(r1)N(r2)f FinalstateofN(r2)becomefinalstateofN(r1r2)NFAforr1r2Forregularexpressionr* εiεN(r)εεf ...
I'm trying to write regular expression parser I'm using Thompson's contruction algorithm to convert Postfix to NFA Problem is; According to the output table, just one state has transitions but it is wrong. I made mistake somewhere in code but I can't find the broken part. NFA.h : #...
I'm trying to write regular expression parser I'm using Thompson's contruction algorithm to convert Postfix to NFA Problem is; According to the output table, just one state has transitions but it is wrong. I made mistake somewhere in code but I can't find the broken part. ...