congqixia 732986aa04
Remove fmt.Print from internal package (#22722)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2023-03-14 17:36:05 +08:00
..
2022-05-20 18:47:57 +08:00
2022-10-16 20:49:27 +08:00

Generate Parser with Antlr4

Install Antlr4

Please follow install antlr4 to install the antlr tool.

The version of antlr tool: 4.9.

Code Generate

After you install the antlr4, you can generate the parser code in golang with:

export CLASSPATH=".:${PWD}/antlr-4.9-complete.jar:$CLASSPATH"
alias antlr4='java -Xmx500M -cp "${PWD}/antlr-4.9-complete.jar:$CLASSPATH" org.antlr.v4.Tool'
alias grun='java -Xmx500M -cp "${PWD}/antlr-4.9-complete.jar:$CLASSPATH" org.antlr.v4.gui.TestRig'
antlr4 -Dlanguage=Go -package planparserv2 -o generated -no-listener -visitor Plan.g4

All generated code will be under directory generated.