From 34af291680f7554b16412205e7b47aa2f829b29c Mon Sep 17 00:00:00 2001
From: Anton Kozlov <akozlov@azul.com>
Date: Fri, 15 Apr 2022 14:07:52 +0300
Subject: [PATCH] 8284920: Incorrect Token type causes XPath expression to
 return empty result

Backport-of: 0d3aea2f11df585b491ae5c07de9f66679601d58

Reviewed-by:
---
 .../com/sun/org/apache/xpath/internal/compiler/Lexer.java | 4 ++--
 .../com/sun/org/apache/xpath/internal/compiler/Token.java | 4 ++--
 .../org/apache/xpath/internal/compiler/XPathParser.java   | 8 ++++----
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git openjdk.orig/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Lexer.java openjdk/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Lexer.java
index b7b3f419eb2..41b58da8e99 100644
--- openjdk.orig/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Lexer.java
+++ openjdk/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Lexer.java
@@ -360,7 +360,7 @@ class Lexer
 
         addToTokenQueue(pat.substring(i, i + 1));
         break;
-      case Token.COLON :
+      case Token.COLON_CHAR:
         if (i>0)
         {
           if (posOfNSSep == (i - 1))
@@ -615,7 +615,7 @@ class Lexer
         resetTokenMark(tokPos + 1);
       }
 
-      if (m_processor.lookahead(Token.COLON, 1))
+      if (m_processor.lookahead(Token.COLON_CHAR, 1))
       {
         tokPos += 2;
       }
diff --git openjdk.orig/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Token.java openjdk/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Token.java
index 8c4fee146c6..7bce14e5770 100644
--- openjdk.orig/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Token.java
+++ openjdk/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Token.java
@@ -45,10 +45,9 @@ public final class Token {
     static final char LPAREN = '(';
     static final char RPAREN = ')';
     static final char COMMA = ',';
-    static final char DOT = '.';
     static final char AT = '@';
     static final char US = '_';
-    static final char COLON = ':';
+    static final char COLON_CHAR = ':';
     static final char SQ = '\'';
     static final char DQ = '"';
     static final char DOLLAR = '$';
@@ -58,6 +57,7 @@ public final class Token {
     static final String DIV = "div";
     static final String MOD = "mod";
     static final String QUO = "quo";
+    static final String DOT = ".";
     static final String DDOT = "..";
     static final String DCOLON = "::";
     static final String ATTR = "attribute";
diff --git openjdk.orig/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/XPathParser.java openjdk/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/XPathParser.java
index c3f9e1494be..22192fd06f6 100644
--- openjdk.orig/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/XPathParser.java
+++ openjdk/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/XPathParser.java
@@ -1413,7 +1413,7 @@ public class XPathParser
 
       matchFound = true;
     }
-    else if (lookahead(Token.LPAREN, 1) || (lookahead(Token.COLON, 1) && lookahead(Token.LPAREN, 3)))
+    else if (lookahead(Token.LPAREN, 1) || (lookahead(Token.COLON_CHAR, 1) && lookahead(Token.LPAREN, 3)))
     {
       matchFound = FunctionCall();
     }
@@ -1457,7 +1457,7 @@ public class XPathParser
 
     int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);
 
-    if (lookahead(Token.COLON, 1))
+    if (lookahead(Token.COLON_CHAR, 1))
     {
       appendOp(4, OpCodes.OP_EXTFUNCTION);
 
@@ -1841,7 +1841,7 @@ public class XPathParser
       m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.NODENAME);
       m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);
 
-      if (lookahead(Token.COLON, 1))
+      if (lookahead(Token.COLON_CHAR, 1))
       {
         if (tokenIs(Token.STAR))
         {
@@ -1944,7 +1944,7 @@ public class XPathParser
   protected void QName() throws TransformerException
   {
     // Namespace
-    if(lookahead(Token.COLON, 1))
+    if(lookahead(Token.COLON_CHAR, 1))
     {
       m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);
       m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);
-- 
2.34.1