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rm unneeded getChildren

This commit is contained in:
Terence Parr 2013-09-16 14:50:13 -07:00
parent 004f47174b
commit 6b1cef745c
4 changed files with 8 additions and 11 deletions
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6
runtime/Java/src/org/antlr/v4/runtime/tree/ParseTree.java
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@ -35,7 +35,6 @@ import org.antlr.v4.runtime.RuleContext;
import org.antlr.v4.runtime.Token;
import java.util.Collection;
import java.util.List;
/** An interface to access the tree of {@link RuleContext} objects created
* during a parse that makes the data structure look like a simple parse tree.
@ -51,11 +50,6 @@ public interface ParseTree extends SyntaxTree {
@Override
ParseTree getChild(int i);
/** Return ordered list of all children of this node; redefine to
* refine type.
*/
List<ParseTree> getChildren();
/** The {@link ParseTreeVisitor} needs a double dispatch method. */
<T> T accept(ParseTreeVisitor<? extends T> visitor);

5
runtime/Java/src/org/antlr/v4/runtime/tree/xpath/XPathRuleElement.java
View File

@ -2,6 +2,7 @@ package org.antlr.v4.runtime.tree.xpath;
import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.tree.ParseTree;
import org.antlr.v4.runtime.tree.Tree;
import java.util.ArrayList;
import java.util.Collection;
@ -18,13 +19,13 @@ public class XPathRuleElement extends XPathElement {
public Collection<ParseTree> evaluate(ParseTree t) {
// return all children of t that match nodeName
List<ParseTree> nodes = new ArrayList<ParseTree>();
for (ParseTree c : t.getChildren()) {
for (Tree c : t.getChildren()) {
if ( c instanceof ParserRuleContext ) {
ParserRuleContext ctx = (ParserRuleContext)c;
if ( (ctx.getRuleIndex() == ruleIndex && !invert) ||
(ctx.getRuleIndex() != ruleIndex && invert) )
{
nodes.add(c);
nodes.add(ctx);
}
}
}

5
runtime/Java/src/org/antlr/v4/runtime/tree/xpath/XPathTokenElement.java
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@ -2,6 +2,7 @@ package org.antlr.v4.runtime.tree.xpath;
import org.antlr.v4.runtime.tree.ParseTree;
import org.antlr.v4.runtime.tree.TerminalNode;
import org.antlr.v4.runtime.tree.Tree;
import java.util.ArrayList;
import java.util.Collection;
@ -18,13 +19,13 @@ public class XPathTokenElement extends XPathElement {
public Collection<ParseTree> evaluate(ParseTree t) {
// return all children of t that match nodeName
List<ParseTree> nodes = new ArrayList<ParseTree>();
for (ParseTree c : t.getChildren()) {
for (Tree c : t.getChildren()) {
if ( c instanceof TerminalNode ) {
TerminalNode tnode = (TerminalNode)c;
if ( (tnode.getSymbol().getType() == tokenType && !invert) ||
(tnode.getSymbol().getType() != tokenType && invert) )
{
nodes.add(c);
nodes.add(tnode);
}
}
}

3
runtime/Java/src/org/antlr/v4/runtime/tree/xpath/XPathWildcardElement.java
View File

@ -4,6 +4,7 @@ import org.antlr.v4.runtime.tree.ParseTree;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class XPathWildcardElement extends XPathElement {
public XPathWildcardElement() {
@ -13,6 +14,6 @@ public class XPathWildcardElement extends XPathElement {
@Override
public Collection<ParseTree> evaluate(final ParseTree t) {
if ( invert ) return new ArrayList<ParseTree>(); // !* is weird but valid (empty)
return new ArrayList<ParseTree>() {{addAll(t.getChildren());}};
return new ArrayList<ParseTree>() {{addAll((List<ParseTree>)t.getChildren());}};
}
}