我是java和ANTLR的初学者。我正在尝试在 Netbeans IDE 中使用 ANTLR。我试图运行一个示例示例,并且确实遵循了设置环境变量等所需的所有重要步骤,包括 jar 文件和修改 built.xml。
但是当我尝试清理和构建我的应用程序时,我收到以下错误:
Error: Could not find or load main class org.antlr.Tool
Java Result: 1
Created dir: ../NetBeansProjects/AntlrTestApp/build/empty
Created dir: ../NetBeansProjects/AntlrTestApp/build/generated-sources/ap-source-output
Compiling 1 source file to ../NetBeansProjects/AntlrTestApp/build/classes
../NetBeansProjects/AntlrTestApp/src/antlrtestapp/AntlrTestApp.java:24: error: cannot find symbol
grammarLexer lexer = new grammarLexer(input);
symbol: class grammarLexer
location: class AntlrTestApp
../NetBeansProjects/AntlrTestApp/src/antlrtestapp/AntlrTestApp.java:24: error: cannot find symbol
grammarLexer lexer = new grammarLexer(input);
symbol: class grammarLexer
location: class AntlrTestApp
../NetBeansProjects/AntlrTestApp/src/antlrtestapp/AntlrTestApp.java:26: error: cannot find symbol
grammarParser parser = new grammarParser(tokens);
symbol: class grammarParser
location: class AntlrTestApp
../NetBeansProjects/AntlrTestApp/src/antlrtestapp/AntlrTestApp.java:26: error: cannot find symbol
grammarParser parser = new grammarParser(tokens);
symbol: class grammarParser
location: class AntlrTestApp
../NetBeansProjects/AntlrTestApp/src/antlrtestapp/AntlrTestApp.java:29: error: cannot find symbol
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
symbol: class Main
location: class AntlrTestApp
../NetBeansProjects/AntlrTestApp/src/antlrtestapp/AntlrTestApp.java:31: error: cannot find symbol
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
symbol: class Main
location: class AntlrTestApp
6 errors
../NetBeansProjects/AntlrTestApp/nbproject/build-impl.xml:603: The following error occurred while executing this line:
../NetBeansProjects/AntlrTestApp/nbproject/build-impl.xml:244: Compile failed; see the compiler error output for details.
BUILD FAILED (total time: 1 second)
自过去 2-3 天以来,我一直在尝试此方法,并搜索了所有可能的解决方案,但对我没有任何帮助。