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This commit is contained in:
Terence Parr 2013-09-16 14:50:28 -07:00
parent 6b1cef745c
commit 76633525bf
1 changed files with 7 additions and 22 deletions
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29
tool/playground/TestXPath.java
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@ -5,7 +5,6 @@ import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.RuleContext;
import org.antlr.v4.runtime.tree.ParseTree;
import org.antlr.v4.runtime.tree.TerminalNode;
import org.antlr.v4.runtime.tree.xpath.XPath;
import java.io.IOException;
@ -20,13 +19,13 @@ public class TestXPath {
ParserRuleContext tree = parser.compilationUnit();
System.out.println(tree.toStringTree(parser));
// XPath p = new XPath(parser, "/compilationUnit/*");
// XPath p = new XPath(parser, "//blockStatement");
// XPath p = new XPath(parser, "//StringLiteral");
// XPath p = new XPath(parser, "//Identifier");
// XPath p = new XPath(parser, "//expression/primary/Identifier");
// XPath p = new XPath(parser, "//primary/*");
XPath p = new XPath(parser, "//expression//Identifier");
// "/compilationUnit/*"
// "//blockStatement"
// "//StringLiteral"
// "//Identifier"
// "//expression/primary/Identifier"
// "//primary/*"
// "//expression//Identifier"
for (ParseTree t : tree.findAll(parser, "//expression//Identifier") ) {
if ( t instanceof RuleContext ) {
RuleContext r = (RuleContext)t;
@ -37,20 +36,6 @@ public class TestXPath {
System.out.println(" "+token.getText());
}
}
// new XPath("//A/B");
// new XPath("/A/B");
// new XPath("//A//B");
// new XPath("/A/*");
// new XPath("/*/*");
// new XPath("//*");
// new XPath("/*/A");
// new XPath("/A/*/B");
// new XPath("//A/*/B");
// // these are all the same:
// new XPath("A");
// new XPath("/A");
// new XPath("/*");
}
}