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package {
import flash.display.Sprite;
import org.antlr.runtime.*;
public class AntlrActionScriptTest extends Sprite {
public function AntlrActionScriptTest ( ):void {
var lexer:TLexer = new TLexer ( new ANTLRStringStream ( input ) );
var tokens:CommonTokenStream = CommonTokenStream ( lexer );
var parser:TParser = TParser ( tokens );
parser.entry_rule ( );
}
}
}
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If you want to access the tokens types in your code, you'll have to import and access them from the lexer or parser module (e.g. TLexer.EOF, TLexer.IDENTIFIER):
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package {
import flash.display.Sprite;
import org.antlr.runtime.*;
public class AntlrActionScriptTreeWalkerTest extends Sprite {
public function AntlrActionScriptTest ( ):void {
var lexer:TLexer = new TLexer ( new ANTLRStringStream ( input ) );
var tokens:CommonTokenStream = CommonTokenStream ( lexer );
var parser:TParser = TParser ( tokens );
var r:ParserRuleReturnScope = parser.entry_rule ( );
// This is the root of the AST.
var root:Tree = r.tree;
var nodes:CommonTreeNodeStream = CommonTreeNodeStream ( root );
nodes.tokenStream = tokens;
var walker:TWalker = new TWalker ( nodes );
walker.entry_rule ( );
}
}
}
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API documentation
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