1 files changed, 72 insertions, 0 deletions
diff --git a/configgen/src/main/java/com/yahoo/config/codegen/ReservedWords.java b/configgen/src/main/java/com/yahoo/config/codegen/ReservedWords.java
new file mode 100644
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+++ b/configgen/src/main/java/com/yahoo/config/codegen/ReservedWords.java
@@ -0,0 +1,72 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.config.codegen;
+
+import java.util.HashMap;
+import java.util.regex.Pattern;
+
+/**
+ * Reserved words that cannot be used as variable names in a config definition file.
+ *
+ * @author <a href="mailto:musum@yahoo-inc.com">Harald Musum</a>
+ * @since 2009-06-24
+ */
+
+public class ReservedWords {
+
+    public static final String INTERNAL_PREFIX = "__";
+    final static Pattern internalPrefixPattern = Pattern.compile("^" + INTERNAL_PREFIX + ".*");
+    final static Pattern capitalizedPattern    = Pattern.compile("^[A-Z].*");
+
+    private static final String[] cKeywords =
+            {"asm", "auto", "bool", "break", "case", "catch",
+                    "char", "class", "const", "const_cast", "continue", "default",
+                    "delete", "do", "double", "dynamic_cast", "else", "enum", "explicit",
+                    "export", "extern", "false", "float", "for", "friend", "goto", "if",
+                    "inline", "int", "item", "long", "mutable", "namespace", "new", "operator",
+                    "private", "protected", "public", "register", "reinterpret_cast",
+                    "return", "short", "signed", "sizeof", "static", "static_cast",
+                    "struct", "switch", "template", "this", "throw", "true", "try",
+                    "typedef", "typeid", "typename", "union", "unsigned",
+                    "using", "virtual", "void", "volatile", "wchar_t", "while", "and", "bitor",
+                    "not", "or", "xor", "and_eq", "compl", "not_eq", "or_eq", "xor_eq",
+                    "bitand"};
+
+    private static final String[] javaKeywords =
+            {"abstract", "boolean", "break", "byte", "case",
+                    "catch", "char", "class","continue", "default", "do", "double",
+                    "else", "extends","false", "final", "finally", "float", "for",
+                    "if","implements", "import", "instanceof", "int", "interface",
+                    "item", "long","native", "new", "null", "package", "private",
+                    "protected","public", "return", "short", "static",
+                    "strictfp","super","switch", "synchronized", "this",
+                    "throw","throws","transient", "true", "try", "void",
+                    "volatile","while", "byvalue", "cast", "const", "future",
+                    "generic","goto", "inner", "operator", "outer", "rest", "var"};
+
+    private static final HashMap<String, String> allKeyWords;
+
+    static {
+        allKeyWords = new HashMap<String, String>();
+        for (String s : cKeywords) {
+            allKeyWords.put(s, "C");
+        }
+        for (String s : javaKeywords) {
+            if (allKeyWords.containsKey(s)) {
+                allKeyWords.put(s, "C and Java");
+            } else {
+                allKeyWords.put(s, "Java");
+            }
+        }
+    }
+
+
+    public static boolean isReservedWord(String word) {
+        return allKeyWords.containsKey(word);
+    }
+
+    public static String getLanguageForReservedWord(String word) {
+        return allKeyWords.get(word);
+    }
+
+
+}