H2 Console: auto-complete did not work with multi-line statements.

h2/src/main/org/h2/bnf/Bnf.java

@@ -138,6 +138,16 @@ public class Bnf {
         rule.accept(visitor);
     }
     
+    /**
+     * Check whether the statement starts with a whitespace.
+     * 
+     * @param s the statement
+     * @return if the statement is not empty and starts with a whitespace
+     */
+    public static boolean startWithSpace(String s) {
+        return s.length() > 0 && Character.isWhitespace(s.charAt(0));
+    }
+
     /**
      * Convert convert ruleLink to rule_link.
      *

h2/src/main/org/h2/bnf/RuleElement.java

@@ -61,7 +61,7 @@ public class RuleElement implements Rule {
             String up = sentence.getQueryUpper().trim();
             if (up.startsWith(name)) {
                 query = query.substring(name.length());
-                while (!"_".equals(name) && query.length() > 0 && Character.isSpaceChar(query.charAt(0))) {
+                while (!"_".equals(name) && Bnf.startWithSpace(query)) {
                     query = query.substring(1);
                 }
                 sentence.setQuery(query);

h2/src/main/org/h2/bnf/RuleFixed.java

@@ -111,7 +111,7 @@ public class RuleFixed implements Rule {
             }
             break;
         case ANY_WORD:
-            while (s.length() > 0 && !Character.isSpaceChar(s.charAt(0))) {
+            while (s.length() > 0 && !Bnf.startWithSpace(s)) {
                 s = s.substring(1);
             }
             if (s.length() == 0) {
@@ -185,7 +185,7 @@ public class RuleFixed implements Rule {
             throw new AssertionError("type="+type);
         }
         if (!s.equals(query)) {
-            while (s.length() > 0 && Character.isSpaceChar(s.charAt(0))) {
+            while (Bnf.startWithSpace(s)) {
                 s = s.substring(1);
             }
             sentence.setQuery(s);

h2/src/main/org/h2/bnf/context/DbContextRule.java

@@ -8,6 +8,8 @@ package org.h2.bnf.context;
 
 import java.util.HashMap;
 import java.util.HashSet;
+
+import org.h2.bnf.Bnf;
 import org.h2.bnf.BnfVisitor;
 import org.h2.bnf.Rule;
 import org.h2.bnf.RuleElement;
@@ -218,7 +220,7 @@ public class DbContextRule implements Rule {
             throw DbException.throwInternalError("type=" + type);
         }
         if (!s.equals(query)) {
-            while (s.length() > 0 && Character.isSpaceChar(s.charAt(0))) {
+            while (Bnf.startWithSpace(s)) {
                 s = s.substring(1);
             }
             sentence.setQuery(s);