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Remove dependence on Arrays.binarySearch

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This commit is contained in:
James Roseborough
2007-10-10 14:35:35 +00:00
parent a5745d5da0
commit 6897febc0a
1 changed files with 7 additions and 5 deletions
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12
src/addon/java/lua/addon/compile/LexState.java
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@@ -2,7 +2,6 @@ package lua.addon.compile;
import java.io.IOException; import java.io.IOException;
import java.io.Reader; import java.io.Reader;
import java.util.Arrays;
import java.util.Hashtable; import java.util.Hashtable;
import lua.Lua; import lua.Lua;
@@ -23,8 +22,7 @@ public class LexState extends LuaC {
protected static final String RESERVED_LOCAL_VAR_FOR_LIMIT = "(for limit)"; protected static final String RESERVED_LOCAL_VAR_FOR_LIMIT = "(for limit)";
protected static final String RESERVED_LOCAL_VAR_FOR_INDEX = "(for index)"; protected static final String RESERVED_LOCAL_VAR_FOR_INDEX = "(for index)";
// sorted keywords array // keywords array
// must keep it sorted, or binary search will fail
protected static final String[] RESERVED_LOCAL_VAR_KEYWORDS = new String[] { protected static final String[] RESERVED_LOCAL_VAR_KEYWORDS = new String[] {
RESERVED_LOCAL_VAR_FOR_CONTROL, RESERVED_LOCAL_VAR_FOR_CONTROL,
RESERVED_LOCAL_VAR_FOR_GENERATOR, RESERVED_LOCAL_VAR_FOR_GENERATOR,
@@ -33,6 +31,11 @@ public class LexState extends LuaC {
RESERVED_LOCAL_VAR_FOR_STATE, RESERVED_LOCAL_VAR_FOR_STATE,
RESERVED_LOCAL_VAR_FOR_STEP RESERVED_LOCAL_VAR_FOR_STEP
}; };
private static final Hashtable RESERVED_LOCAL_VAR_KEYWORDS_TABLE = new Hashtable();
static {
for ( int i=0; i<RESERVED_LOCAL_VAR_KEYWORDS.length; i++ )
RESERVED_LOCAL_VAR_KEYWORDS_TABLE.put( RESERVED_LOCAL_VAR_KEYWORDS[i], Boolean.TRUE );
}
private static final int EOZ = (-1); private static final int EOZ = (-1);
private static final int MAXSRC = 80; private static final int MAXSRC = 80;
@@ -48,8 +51,7 @@ public class LexState extends LuaC {
private static final boolean LUA_COMPAT_VARARG = true; private static final boolean LUA_COMPAT_VARARG = true;
public static boolean isReservedKeyword(String varName) { public static boolean isReservedKeyword(String varName) {
int index = Arrays.binarySearch(RESERVED_LOCAL_VAR_KEYWORDS, varName); return RESERVED_LOCAL_VAR_KEYWORDS_TABLE.containsKey(varName);
return index >= 0;
} }
/* /*