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127 <A HREF="http://nms.kcl.ac.uk/christian.urban/Publications/rexp.pdf">paper</A> |
127 <A HREF="http://nms.kcl.ac.uk/christian.urban/Publications/rexp.pdf">paper</A> |
128 about the <A HREF="http://en.wikipedia.org/wiki/Myhill–Nerode_theorem">Myhill-Nerode theorem</A>. |
128 about the <A HREF="http://en.wikipedia.org/wiki/Myhill–Nerode_theorem">Myhill-Nerode theorem</A>. |
129 So I know they are worth their money. Still, it would be interesting to actually compare their results |
129 So I know they are worth their money. Still, it would be interesting to actually compare their results |
130 with my simple rainy-afternoon matcher and potentially “blow away” the regular expression matchers |
130 with my simple rainy-afternoon matcher and potentially “blow away” the regular expression matchers |
131 in Python, Ruby and Java (and possibly in Scala too). The application would be to implement a fast lexer for |
131 in Python, Ruby and Java (and possibly in Scala too). The application would be to implement a fast lexer for |
132 programming languages, or improve the network traffic analysers in the tools Snort and Bro??? |
132 programming languages, or improve the network traffic analysers in the tools <A HREF="https://www.snort.org">Snort</A> and |
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133 <A HREF="https://www.bro.org">Bro</A>. |
133 </p> |
134 </p> |
134 |
135 |
135 <p> |
136 <p> |
136 <B>Literature:</B> |
137 <B>Literature:</B> |
137 The place to start with this project is obviously this |
138 The place to start with this project is obviously this |
205 languages to program in (being designed and released in a hurry). <B>But</B> it can be used as a convenient target |
206 languages to program in (being designed and released in a hurry). <B>But</B> it can be used as a convenient target |
206 for translating programs from other languages. In particular there are two |
207 for translating programs from other languages. In particular there are two |
207 very optimised subsets of JavaScript that can be used for this purpose: |
208 very optimised subsets of JavaScript that can be used for this purpose: |
208 one is <A HREF="http://asmjs.org">asm.js</A> and the other is |
209 one is <A HREF="http://asmjs.org">asm.js</A> and the other is |
209 <A HREF="https://github.com/kripken/emscripten/wiki">emscripten</A>. Since |
210 <A HREF="https://github.com/kripken/emscripten/wiki">emscripten</A>. Since |
210 last year there is even the official Webassembly??? |
211 last year there is even the official <A HREF="http://webassembly.org">Webassembly</A> |
211 There is a <A HREF="http://kripken.github.io/emscripten-site/docs/getting_started/Tutorial.html">tutorial</A> for emscripten |
212 There is a <A HREF="http://kripken.github.io/emscripten-site/docs/getting_started/Tutorial.html">tutorial</A> for emscripten |
212 and an impressive <A HREF="https://youtu.be/c2uNDlP4RiE">demo</A> which runs the |
213 and an impressive <A HREF="https://youtu.be/c2uNDlP4RiE">demo</A> which runs the |
213 <A HREF="http://en.wikipedia.org/wiki/Unreal_Engine">Unreal Engine 3</A> |
214 <A HREF="http://en.wikipedia.org/wiki/Unreal_Engine">Unreal Engine 3</A> |
214 in a browser with spectacular speed. This was achieved by compiling the |
215 in a browser with spectacular speed. This was achieved by compiling the |
215 C-code of the Unreal Engine to the LLVM intermediate language and then translating the LLVM |
216 C-code of the Unreal Engine to the LLVM intermediate language and then translating the LLVM |