2014/10/16 上午 08:17:52

android Programming Glossary: lexer

http://stackoverflow.com/questions/7596609/antlr-and-android

mechanisms to execute Lexer Parser code generated by the ANTLR tool. The model is offline in the sense that the parser lexer is generated off the mobile phone on a desktop computer. The resulting files are transferred to an Android project which.. you must include the AntlrJavaRuntime in your Android project app. So writing the grammar generating a parser and lexer from said grammar would be the same as on a normal machine. Here's a previous Q A that shows how to write a simple expression..

android ANTLR make not working properly

http://stackoverflow.com/questions/9594966/android-antlr-make-not-working-properly

explanation here anywhere on your system and paste the following in it grammar Exp @parser header package bk.andabac @lexer header package bk.andabac eval returns double value exp additionExp value exp.value additionExp returns double value m1.. ' ' value exp.value Number '0'..'9' '.' '0'..'9' WS ' ' ' t' ' r' ' n' channel HIDDEN 3 download ANTLR generate lexer parser Download ANTLR here http www.antlr3.org download antlr 3.3 complete.jar and put it in the same directory as your.. http www.antlr3.org download antlr 3.3 complete.jar and put it in the same directory as your Exp.g file. Generate a lexer and parser explanation here and copy the generated .java files to the following folder in your Android project src bk andabac..