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ANTLR
来自开放百科 - 灰狐
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{{SeeWikipedia}} | {{SeeWikipedia}} | ||
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ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages. ANTLR provides excellent support for tree construction, tree walking, translation, error recovery, and error reporting. | ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages. ANTLR provides excellent support for tree construction, tree walking, translation, error recovery, and error reporting. | ||
| + | |||
| + | ==简介== | ||
| + | |||
| + | ==功能== | ||
| + | |||
| + | ==指南== | ||
| + | ===mac OS=== | ||
| + | $ cd /usr/local/lib | ||
| + | $ sudo curl -O https://www.antlr.org/download/antlr-4.7.1-complete.jar | ||
| + | $ export CLASSPATH=".:/usr/local/lib/antlr-4.7.1-complete.jar:$CLASSPATH" | ||
| + | $ alias antlr4='java -jar /usr/local/lib/antlr-4.7.1-complete.jar' | ||
| + | $ alias grun='java org.antlr.v4.gui.TestRig' | ||
| + | touch Expr.g4 | ||
| + | grammar Expr; | ||
| + | prog: (expr NEWLINE)* ; | ||
| + | expr: expr ('*'|'/') expr | ||
| + | | expr ('+'|'-') expr | ||
| + | | INT | ||
| + | | '(' expr ')' | ||
| + | ; | ||
| + | NEWLINE : [\r\n]+ ; | ||
| + | INT : [0-9]+ ; | ||
| + | 编译运行 | ||
| + | $ antlr4 Expr.g4 | ||
| + | $ javac Expr*.java | ||
| + | $ grun Expr prog -gui | ||
| + | 100+2*34 | ||
| + | ^D | ||
| + | |||
| + | ==语言== | ||
| + | *[https://github.com/apache/groovy/tree/master/src/antlr Groovy]词法分析、语法分析 [[Groovy]] [https://github.com/apache/groovy/blob/master/src/main/antlr2/org/codehaus/groovy/antlr/groovy.g Main程序] | ||
| + | |||
| + | ==项目== | ||
| + | |||
| + | ==图集== | ||
| + | <gallery> | ||
| + | image:antlr-editor.jpg|Editor | ||
| + | image:antlr-parse-tree-insepector.png|语法分析树 | ||
| + | </gallery> | ||
==链接== | ==链接== | ||
2018年5月4日 (五) 07:00的最后版本
|
您可以在Wikipedia上了解到此条目的英文信息 ANTLR Thanks, Wikipedia. |
ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages. ANTLR provides excellent support for tree construction, tree walking, translation, error recovery, and error reporting.
目录 |
[编辑] 简介
[编辑] 功能
[编辑] 指南
[编辑] mac OS
$ cd /usr/local/lib $ sudo curl -O https://www.antlr.org/download/antlr-4.7.1-complete.jar $ export CLASSPATH=".:/usr/local/lib/antlr-4.7.1-complete.jar:$CLASSPATH" $ alias antlr4='java -jar /usr/local/lib/antlr-4.7.1-complete.jar' $ alias grun='java org.antlr.v4.gui.TestRig'
touch Expr.g4
grammar Expr;
prog: (expr NEWLINE)* ;
expr: expr ('*'|'/') expr
| expr ('+'|'-') expr
| INT
| '(' expr ')'
;
NEWLINE : [\r\n]+ ;
INT : [0-9]+ ;
编译运行
$ antlr4 Expr.g4 $ javac Expr*.java $ grun Expr prog -gui 100+2*34 ^D
[编辑] 语言
[编辑] 项目
[编辑] 图集
Editor
语法分析树
[编辑] 链接
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