forgetest1
/
antlr
forked from jasder/antlr
1
0
Fork 0
Code Issues Pull Requests 1 Releases Wiki Activity

added playground stuff

This commit is contained in:
Terence Parr 2015-05-22 12:03:28 -07:00
parent 4f0afdcf8e
commit 8f2eca5ae1
3 changed files with 57 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
tool/playground/Main.java Normal file
View File

@ -0,0 +1,48 @@
import org.antlr.v4.runtime.ANTLRInputStream;
import org.antlr.v4.runtime.CommonTokenStream;
import org.antlr.v4.runtime.ParserRuleContext;
public class Main
{
public static void main(String[] args)
{
TParser parser = new TParser(new CommonTokenStream(new TLexer(new ANTLRInputStream("b"))));
parser.addParseListener(new MyTBaseListener());
parser.a();
System.out.println("######################");
parser = new TParser(new CommonTokenStream(new TLexer(new ANTLRInputStream("x"))));
parser.addParseListener(new MyTBaseListener());
parser.b();
}
private static class MyTBaseListener extends TBaseListener {
@Override
public void enterAlt1(TParser.Alt1Context ctx)
{
System.out.println("entering alt1");
}
@Override
public void exitAlt1(TParser.Alt1Context ctx)
{
System.out.println("exiting alt1");
}
@Override
public void enterB(TParser.BContext ctx) {
System.out.println("enter b");
}
@Override
public void exitB(TParser.BContext ctx) {
System.out.println("exiting b");
}
@Override
public void enterEveryRule(ParserRuleContext ctx) {
System.out.println("enterEveryRule");
}
}
}

8
tool/playground/T.g4 Normal file
View File

@ -0,0 +1,8 @@
grammar T;
a
: 'b' #alt1
| 'c' #alt2
;
b : 'x' | 'y' {} ;

1
tool/tool.iml
View File

@ -16,6 +16,7 @@
<sourceFolder url="file://$MODULE_DIR$/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/../gen3" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/../antlr4-maven-plugin/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/playground" isTestSource="false" />
<excludeFolder url="file://$MODULE_DIR$/../.idea" />
<excludeFolder url="file://$MODULE_DIR$/../antlr4-maven-plugin" />
<excludeFolder url="file://$MODULE_DIR$/../build" />