Author: tcurdt
Date: Sat Mar 10 07:08:05 2007
New Revision: 516724
URL: http://svn.apache.org/viewvc?view=rev&rev=516724
Log:
http://issues.apache.org/bugzilla/show_bug.cgi?id=40044
and some source code cleanup
Modified:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/util/InstructionFinder.java
Modified:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/util/InstructionFinder.java
URL:
http://svn.apache.org/viewvc/jakarta/bcel/trunk/src/main/java/org/apache/bcel/util/InstructionFinder.java?view=diff&rev=516724&r1=516723&r2=516724
==============================================================================
---
jakarta/bcel/trunk/src/main/java/org/apache/bcel/util/InstructionFinder.java
(original)
+++
jakarta/bcel/trunk/src/main/java/org/apache/bcel/util/InstructionFinder.java
Sat Mar 10 07:08:05 2007
@@ -24,6 +24,7 @@
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
+
import org.apache.bcel.Constants;
import org.apache.bcel.generic.ClassGenException;
import org.apache.bcel.generic.Instruction;
@@ -64,6 +65,7 @@
* @see Instruction
* @see InstructionList
*/
[EMAIL PROTECTED]("unchecked")
public class InstructionFinder {
private static final int OFFSET = 32767; // char + OFFSET is
@@ -227,7 +229,7 @@
while (start < il_string.length() && matcher.find(start)) {
int startExpr = matcher.start();
int endExpr = matcher.end();
- int lenExpr = (endExpr - startExpr) + 1;
+ int lenExpr = (endExpr - startExpr);
InstructionHandle[] match = getMatch(startExpr, lenExpr);
if ((constraint == null) || constraint.checkCode(match)) {
matches.add(match);
@@ -314,122 +316,77 @@
// Initialize pattern map
static {
- map
- .put(
- "arithmeticinstruction",
-
"(irem|lrem|iand|ior|ineg|isub|lneg|fneg|fmul|ldiv|fadd|lxor|frem|idiv|land|ixor|ishr|fsub|lshl|fdiv|iadd|lor|dmul|lsub|ishl|imul|lmul|lushr|dneg|iushr|lshr|ddiv|drem|dadd|ladd|dsub)");
- map.put("invokeinstruction",
"(invokevirtual|invokeinterface|invokestatic|invokespecial)");
- map
- .put(
- "arrayinstruction",
-
"(baload|aastore|saload|caload|fastore|lastore|iaload|castore|iastore|aaload|bastore|sastore|faload|laload|daload|dastore)");
- map.put("gotoinstruction", "(goto|goto_w)");
- map.put("conversioninstruction",
-
"(d2l|l2d|i2s|d2i|l2i|i2b|l2f|d2f|f2i|i2d|i2l|f2d|i2c|f2l|i2f)");
- map.put("localvariableinstruction",
-
"(fstore|iinc|lload|dstore|dload|iload|aload|astore|istore|fload|lstore)");
- map.put("loadinstruction", "(fload|dload|lload|iload|aload)");
- map.put("fieldinstruction", "(getfield|putstatic|getstatic|putfield)");
- map
- .put(
- "cpinstruction",
-
"(ldc2_w|invokeinterface|multianewarray|putstatic|instanceof|getstatic|checkcast|getfield|invokespecial|ldc_w|invokestatic|invokevirtual|putfield|ldc|new|anewarray)");
- map.put("stackinstruction",
"(dup2|swap|dup2_x2|pop|pop2|dup|dup2_x1|dup_x2|dup_x1)");
- map
- .put(
- "branchinstruction",
-
"(ifle|if_acmpne|if_icmpeq|if_acmpeq|ifnonnull|goto_w|iflt|ifnull|if_icmpne|tableswitch|if_icmple|ifeq|if_icmplt|jsr_w|if_icmpgt|ifgt|jsr|goto|ifne|ifge|lookupswitch|if_icmpge)");
- map.put("returninstruction",
"(lreturn|ireturn|freturn|dreturn|areturn|return)");
- map.put("storeinstruction", "(istore|fstore|dstore|astore|lstore)");
- map.put("select", "(tableswitch|lookupswitch)");
- map
- .put(
- "ifinstruction",
-
"(ifeq|ifgt|if_icmpne|if_icmpeq|ifge|ifnull|ifne|if_icmple|if_icmpge|if_acmpeq|if_icmplt|if_acmpne|ifnonnull|iflt|if_icmpgt|ifle)");
- map.put("jsrinstruction", "(jsr|jsr_w)");
- map.put("variablelengthinstruction",
"(tableswitch|jsr|goto|lookupswitch)");
- map.put("unconditionalbranch", "(goto|jsr|jsr_w|athrow|goto_w)");
- map.put("constantpushinstruction",
"(dconst|bipush|sipush|fconst|iconst|lconst)");
- map
- .put(
- "typedinstruction",
-
"(imul|lsub|aload|fload|lor|new|aaload|fcmpg|iand|iaload|lrem|idiv|d2l|isub|dcmpg|dastore|ret|f2d|f2i|drem|iinc|i2c|checkcast|frem|lreturn|astore|lushr|daload|dneg|fastore|istore|lshl|ldiv|lstore|areturn|ishr|ldc_w|invokeinterface|aastore|lxor|ishl|l2d|i2f|return|faload|sipush|iushr|caload|instanceof|invokespecial|putfield|fmul|ireturn|laload|d2f|lneg|ixor|i2l|fdiv|lastore|multianewarray|i2b|getstatic|i2d|putstatic|fcmpl|saload|ladd|irem|dload|jsr_w|dconst|dcmpl|fsub|freturn|ldc|aconst_null|castore|lmul|ldc2_w|dadd|iconst|f2l|ddiv|dstore|land|jsr|anewarray|dmul|bipush|dsub|sastore|d2i|i2s|lshr|iadd|l2i|lload|bastore|fstore|fneg|iload|fadd|baload|fconst|ior|ineg|dreturn|l2f|lconst|getfield|invokevirtual|invokestatic|iastore)");
- map.put("popinstruction",
"(fstore|dstore|pop|pop2|astore|putstatic|istore|lstore)");
- map.put("allocationinstruction",
"(multianewarray|new|anewarray|newarray)");
- map
- .put(
- "indexedinstruction",
-
"(lload|lstore|fload|ldc2_w|invokeinterface|multianewarray|astore|dload|putstatic|instanceof|getstatic|checkcast|getfield|invokespecial|dstore|istore|iinc|ldc_w|ret|fstore|invokestatic|iload|putfield|invokevirtual|ldc|new|aload|anewarray)");
- map
- .put(
- "pushinstruction",
-
"(dup|lload|dup2|bipush|fload|ldc2_w|sipush|lconst|fconst|dload|getstatic|ldc_w|aconst_null|dconst|iload|ldc|iconst|aload)");
- map
- .put(
- "stackproducer",
-
"(imul|lsub|aload|fload|lor|new|aaload|fcmpg|iand|iaload|lrem|idiv|d2l|isub|dcmpg|dup|f2d|f2i|drem|i2c|checkcast|frem|lushr|daload|dneg|lshl|ldiv|ishr|ldc_w|invokeinterface|lxor|ishl|l2d|i2f|faload|sipush|iushr|caload|instanceof|invokespecial|fmul|laload|d2f|lneg|ixor|i2l|fdiv|getstatic|i2b|swap|i2d|dup2|fcmpl|saload|ladd|irem|dload|jsr_w|dconst|dcmpl|fsub|ldc|arraylength|aconst_null|tableswitch|lmul|ldc2_w|iconst|dadd|f2l|ddiv|land|jsr|anewarray|dmul|bipush|dsub|d2i|newarray|i2s|lshr|iadd|lload|l2i|fneg|iload|fadd|baload|fconst|lookupswitch|ior|ineg|lconst|l2f|getfield|invokevirtual|invokestatic)");
- map
- .put(
- "stackconsumer",
-
"(imul|lsub|lor|iflt|fcmpg|if_icmpgt|iand|ifeq|if_icmplt|lrem|ifnonnull|idiv|d2l|isub|dcmpg|dastore|if_icmpeq|f2d|f2i|drem|i2c|checkcast|frem|lreturn|astore|lushr|pop2|monitorexit|dneg|fastore|istore|lshl|ldiv|lstore|areturn|if_icmpge|ishr|monitorenter|invokeinterface|aastore|lxor|ishl|l2d|i2f|return|iushr|instanceof|invokespecial|fmul|ireturn|d2f|lneg|ixor|pop|i2l|ifnull|fdiv|lastore|i2b|if_acmpeq|ifge|swap|i2d|putstatic|fcmpl|ladd|irem|dcmpl|fsub|freturn|ifgt|castore|lmul|dadd|f2l|ddiv|dstore|land|if_icmpne|if_acmpne|dmul|dsub|sastore|ifle|d2i|i2s|lshr|iadd|l2i|bastore|fstore|fneg|fadd|ior|ineg|ifne|dreturn|l2f|if_icmple|getfield|invokevirtual|invokestatic|iastore)");
- map
- .put(
- "exceptionthrower",
-
"(irem|lrem|laload|putstatic|baload|dastore|areturn|getstatic|ldiv|anewarray|iastore|castore|idiv|saload|lastore|fastore|putfield|lreturn|caload|getfield|return|aastore|freturn|newarray|instanceof|multianewarray|athrow|faload|iaload|aaload|dreturn|monitorenter|checkcast|bastore|arraylength|new|invokevirtual|sastore|ldc_w|ireturn|invokespecial|monitorexit|invokeinterface|ldc|invokestatic|daload)");
- map
- .put(
- "loadclass",
-
"(multianewarray|invokeinterface|instanceof|invokespecial|putfield|checkcast|putstatic|invokevirtual|new|getstatic|invokestatic|getfield|anewarray)");
- map
- .put(
- "instructiontargeter",
-
"(ifle|if_acmpne|if_icmpeq|if_acmpeq|ifnonnull|goto_w|iflt|ifnull|if_icmpne|tableswitch|if_icmple|ifeq|if_icmplt|jsr_w|if_icmpgt|ifgt|jsr|goto|ifne|ifge|lookupswitch|if_icmpge)");
- // Some aliases
- map.put("if_icmp",
"(if_icmpne|if_icmpeq|if_icmple|if_icmpge|if_icmplt|if_icmpgt)");
- map.put("if_acmp", "(if_acmpeq|if_acmpne)");
- map.put("if", "(ifeq|ifne|iflt|ifge|ifgt|ifle)");
- // Precompile some aliases first
- map.put("iconst", precompile(Constants.ICONST_0, Constants.ICONST_5,
Constants.ICONST_M1));
- map.put("lconst", new String(new char[] {
- '(', makeChar(Constants.LCONST_0), '|',
makeChar(Constants.LCONST_1), ')'
- }));
- map.put("dconst", new String(new char[] {
- '(', makeChar(Constants.DCONST_0), '|',
makeChar(Constants.DCONST_1), ')'
- }));
- map.put("fconst", new String(new char[] {
- '(', makeChar(Constants.FCONST_0), '|',
makeChar(Constants.FCONST_1), ')'
- }));
- map.put("iload", precompile(Constants.ILOAD_0, Constants.ILOAD_3,
Constants.ILOAD));
- map.put("dload", precompile(Constants.DLOAD_0, Constants.DLOAD_3,
Constants.DLOAD));
- map.put("fload", precompile(Constants.FLOAD_0, Constants.FLOAD_3,
Constants.FLOAD));
- map.put("aload", precompile(Constants.ALOAD_0, Constants.ALOAD_3,
Constants.ALOAD));
- map.put("istore", precompile(Constants.ISTORE_0, Constants.ISTORE_3,
Constants.ISTORE));
- map.put("dstore", precompile(Constants.DSTORE_0, Constants.DSTORE_3,
Constants.DSTORE));
- map.put("fstore", precompile(Constants.FSTORE_0, Constants.FSTORE_3,
Constants.FSTORE));
- map.put("astore", precompile(Constants.ASTORE_0, Constants.ASTORE_3,
Constants.ASTORE));
- // Compile strings
- for (Iterator i = map.keySet().iterator(); i.hasNext();) {
- String key = (String) i.next();
- String value = (String) map.get(key);
- char ch = value.charAt(1); // Omit already precompiled patterns
- if (ch < OFFSET) {
- map.put(key, compilePattern(value)); // precompile all patterns
- }
- }
- // Add instruction alias to match anything
- StringBuffer buf = new StringBuffer("(");
- for (short i = 0; i < NO_OPCODES; i++) {
- if (Constants.NO_OF_OPERANDS[i] != Constants.UNDEFINED) { // Not an
- // invalid
- // opcode
- buf.append(makeChar(i));
- if (i < NO_OPCODES - 1) {
- buf.append('|');
- }
- }
- }
- buf.append(')');
- map.put("instruction", buf.toString());
+
map.put("arithmeticinstruction","(irem|lrem|iand|ior|ineg|isub|lneg|fneg|fmul|ldiv|fadd|lxor|frem|idiv|land|ixor|ishr|fsub|lshl|fdiv|iadd|lor|dmul|lsub|ishl|imul|lmul|lushr|dneg|iushr|lshr|ddiv|drem|dadd|ladd|dsub)");
+ map.put("invokeinstruction",
"(invokevirtual|invokeinterface|invokestatic|invokespecial)");
+ map.put("arrayinstruction",
"(baload|aastore|saload|caload|fastore|lastore|iaload|castore|iastore|aaload|bastore|sastore|faload|laload|daload|dastore)");
+ map.put("gotoinstruction", "(goto|goto_w)");
+ map.put("conversioninstruction",
"(d2l|l2d|i2s|d2i|l2i|i2b|l2f|d2f|f2i|i2d|i2l|f2d|i2c|f2l|i2f)");
+
map.put("localvariableinstruction","(fstore|iinc|lload|dstore|dload|iload|aload|astore|istore|fload|lstore)");
+ map.put("loadinstruction", "(fload|dload|lload|iload|aload)");
+ map.put("fieldinstruction",
"(getfield|putstatic|getstatic|putfield)");
+ map.put("cpinstruction",
"(ldc2_w|invokeinterface|multianewarray|putstatic|instanceof|getstatic|checkcast|getfield|invokespecial|ldc_w|invokestatic|invokevirtual|putfield|ldc|new|anewarray)");
+ map.put("stackinstruction",
"(dup2|swap|dup2_x2|pop|pop2|dup|dup2_x1|dup_x2|dup_x1)");
+ map.put("branchinstruction",
"(ifle|if_acmpne|if_icmpeq|if_acmpeq|ifnonnull|goto_w|iflt|ifnull|if_icmpne|tableswitch|if_icmple|ifeq|if_icmplt|jsr_w|if_icmpgt|ifgt|jsr|goto|ifne|ifge|lookupswitch|if_icmpge)");
+ map.put("returninstruction",
"(lreturn|ireturn|freturn|dreturn|areturn|return)");
+ map.put("storeinstruction",
"(istore|fstore|dstore|astore|lstore)");
+ map.put("select", "(tableswitch|lookupswitch)");
+ map.put("ifinstruction",
"(ifeq|ifgt|if_icmpne|if_icmpeq|ifge|ifnull|ifne|if_icmple|if_icmpge|if_acmpeq|if_icmplt|if_acmpne|ifnonnull|iflt|if_icmpgt|ifle)");
+ map.put("jsrinstruction", "(jsr|jsr_w)");
+ map.put("variablelengthinstruction",
"(tableswitch|jsr|goto|lookupswitch)");
+ map.put("unconditionalbranch",
"(goto|jsr|jsr_w|athrow|goto_w)");
+ map.put("constantpushinstruction",
"(dconst|bipush|sipush|fconst|iconst|lconst)");
+ map.put("typedinstruction",
"(imul|lsub|aload|fload|lor|new|aaload|fcmpg|iand|iaload|lrem|idiv|d2l|isub|dcmpg|dastore|ret|f2d|f2i|drem|iinc|i2c|checkcast|frem|lreturn|astore|lushr|daload|dneg|fastore|istore|lshl|ldiv|lstore|areturn|ishr|ldc_w|invokeinterface|aastore|lxor|ishl|l2d|i2f|return|faload|sipush|iushr|caload|instanceof|invokespecial|putfield|fmul|ireturn|laload|d2f|lneg|ixor|i2l|fdiv|lastore|multianewarray|i2b|getstatic|i2d|putstatic|fcmpl|saload|ladd|irem|dload|jsr_w|dconst|dcmpl|fsub|freturn|ldc|aconst_null|castore|lmul|ldc2_w|dadd|iconst|f2l|ddiv|dstore|land|jsr|anewarray|dmul|bipush|dsub|sastore|d2i|i2s|lshr|iadd|l2i|lload|bastore|fstore|fneg|iload|fadd|baload|fconst|ior|ineg|dreturn|l2f|lconst|getfield|invokevirtual|invokestatic|iastore)");
+ map.put("popinstruction",
"(fstore|dstore|pop|pop2|astore|putstatic|istore|lstore)");
+ map.put("allocationinstruction",
"(multianewarray|new|anewarray|newarray)");
+ map.put("indexedinstruction",
"(lload|lstore|fload|ldc2_w|invokeinterface|multianewarray|astore|dload|putstatic|instanceof|getstatic|checkcast|getfield|invokespecial|dstore|istore|iinc|ldc_w|ret|fstore|invokestatic|iload|putfield|invokevirtual|ldc|new|aload|anewarray)");
+ map.put("pushinstruction",
"(dup|lload|dup2|bipush|fload|ldc2_w|sipush|lconst|fconst|dload|getstatic|ldc_w|aconst_null|dconst|iload|ldc|iconst|aload)");
+ map.put("stackproducer",
"(imul|lsub|aload|fload|lor|new|aaload|fcmpg|iand|iaload|lrem|idiv|d2l|isub|dcmpg|dup|f2d|f2i|drem|i2c|checkcast|frem|lushr|daload|dneg|lshl|ldiv|ishr|ldc_w|invokeinterface|lxor|ishl|l2d|i2f|faload|sipush|iushr|caload|instanceof|invokespecial|fmul|laload|d2f|lneg|ixor|i2l|fdiv|getstatic|i2b|swap|i2d|dup2|fcmpl|saload|ladd|irem|dload|jsr_w|dconst|dcmpl|fsub|ldc|arraylength|aconst_null|tableswitch|lmul|ldc2_w|iconst|dadd|f2l|ddiv|land|jsr|anewarray|dmul|bipush|dsub|d2i|newarray|i2s|lshr|iadd|lload|l2i|fneg|iload|fadd|baload|fconst|lookupswitch|ior|ineg|lconst|l2f|getfield|invokevirtual|invokestatic)");
+ map.put("stackconsumer",
"(imul|lsub|lor|iflt|fcmpg|if_icmpgt|iand|ifeq|if_icmplt|lrem|ifnonnull|idiv|d2l|isub|dcmpg|dastore|if_icmpeq|f2d|f2i|drem|i2c|checkcast|frem|lreturn|astore|lushr|pop2|monitorexit|dneg|fastore|istore|lshl|ldiv|lstore|areturn|if_icmpge|ishr|monitorenter|invokeinterface|aastore|lxor|ishl|l2d|i2f|return|iushr|instanceof|invokespecial|fmul|ireturn|d2f|lneg|ixor|pop|i2l|ifnull|fdiv|lastore|i2b|if_acmpeq|ifge|swap|i2d|putstatic|fcmpl|ladd|irem|dcmpl|fsub|freturn|ifgt|castore|lmul|dadd|f2l|ddiv|dstore|land|if_icmpne|if_acmpne|dmul|dsub|sastore|ifle|d2i|i2s|lshr|iadd|l2i|bastore|fstore|fneg|fadd|ior|ineg|ifne|dreturn|l2f|if_icmple|getfield|invokevirtual|invokestatic|iastore)");
+
map.put("exceptionthrower","(irem|lrem|laload|putstatic|baload|dastore|areturn|getstatic|ldiv|anewarray|iastore|castore|idiv|saload|lastore|fastore|putfield|lreturn|caload|getfield|return|aastore|freturn|newarray|instanceof|multianewarray|athrow|faload|iaload|aaload|dreturn|monitorenter|checkcast|bastore|arraylength|new|invokevirtual|sastore|ldc_w|ireturn|invokespecial|monitorexit|invokeinterface|ldc|invokestatic|daload)");
+ map.put("loadclass",
"(multianewarray|invokeinterface|instanceof|invokespecial|putfield|checkcast|putstatic|invokevirtual|new|getstatic|invokestatic|getfield|anewarray)");
+ map.put("instructiontargeter",
"(ifle|if_acmpne|if_icmpeq|if_acmpeq|ifnonnull|goto_w|iflt|ifnull|if_icmpne|tableswitch|if_icmple|ifeq|if_icmplt|jsr_w|if_icmpgt|ifgt|jsr|goto|ifne|ifge|lookupswitch|if_icmpge)");
+ // Some aliases
+ map.put("if_icmp",
"(if_icmpne|if_icmpeq|if_icmple|if_icmpge|if_icmplt|if_icmpgt)");
+ map.put("if_acmp", "(if_acmpeq|if_acmpne)");
+ map.put("if", "(ifeq|ifne|iflt|ifge|ifgt|ifle)");
+ // Precompile some aliases first
+ map.put("iconst", precompile(Constants.ICONST_0,
Constants.ICONST_5, Constants.ICONST_M1));
+ map.put("lconst", new String(new char[] { '(',
makeChar(Constants.LCONST_0), '|', makeChar(Constants.LCONST_1), ')' }));
+ map.put("dconst", new String(new char[] { '(',
makeChar(Constants.DCONST_0), '|', makeChar(Constants.DCONST_1), ')' }));
+ map.put("fconst", new String(new char[] { '(',
makeChar(Constants.FCONST_0), '|', makeChar(Constants.FCONST_1), ')' }));
+ map.put("iload", precompile(Constants.ILOAD_0,
Constants.ILOAD_3, Constants.ILOAD));
+ map.put("dload", precompile(Constants.DLOAD_0,
Constants.DLOAD_3, Constants.DLOAD));
+ map.put("fload", precompile(Constants.FLOAD_0,
Constants.FLOAD_3, Constants.FLOAD));
+ map.put("aload", precompile(Constants.ALOAD_0,
Constants.ALOAD_3, Constants.ALOAD));
+ map.put("istore", precompile(Constants.ISTORE_0,
Constants.ISTORE_3, Constants.ISTORE));
+ map.put("dstore", precompile(Constants.DSTORE_0,
Constants.DSTORE_3, Constants.DSTORE));
+ map.put("fstore", precompile(Constants.FSTORE_0,
Constants.FSTORE_3, Constants.FSTORE));
+ map.put("astore", precompile(Constants.ASTORE_0,
Constants.ASTORE_3, Constants.ASTORE));
+ // Compile strings
+ for (Iterator i = map.keySet().iterator(); i.hasNext();) {
+ String key = (String) i.next();
+ String value = (String) map.get(key);
+ char ch = value.charAt(1); // Omit already precompiled
patterns
+ if (ch < OFFSET) {
+ map.put(key, compilePattern(value)); //
precompile all
+
// patterns
+ }
+ }
+ // Add instruction alias to match anything
+ StringBuffer buf = new StringBuffer("(");
+ for (short i = 0; i < NO_OPCODES; i++) {
+ if (Constants.NO_OF_OPERANDS[i] != Constants.UNDEFINED)
{ // Not
+
// an
+ // invalid
+ // opcode
+ buf.append(makeChar(i));
+ if (i < NO_OPCODES - 1) {
+ buf.append('|');
+ }
+ }
+ }
+ buf.append(')');
+ map.put("instruction", buf.toString());
}
@@ -446,27 +403,27 @@
/*
- * Internal debugging routines.
- */
- private static final String pattern2string( String pattern ) {
- return pattern2string(pattern, true);
- }
-
-
- private static final String pattern2string( String pattern, boolean
make_string ) {
- StringBuffer buf = new StringBuffer();
- for (int i = 0; i < pattern.length(); i++) {
- char ch = pattern.charAt(i);
- if (ch >= OFFSET) {
- if (make_string) {
- buf.append(Constants.OPCODE_NAMES[ch - OFFSET]);
- } else {
- buf.append((ch - OFFSET));
- }
- } else {
- buf.append(ch);
- }
- }
- return buf.toString();
- }
+ * Internal debugging routines.
+ */
+// private static final String pattern2string( String pattern ) {
+// return pattern2string(pattern, true);
+// }
+
+
+// private static final String pattern2string( String pattern, boolean
make_string ) {
+// StringBuffer buf = new StringBuffer();
+// for (int i = 0; i < pattern.length(); i++) {
+// char ch = pattern.charAt(i);
+// if (ch >= OFFSET) {
+// if (make_string) {
+// buf.append(Constants.OPCODE_NAMES[ch - OFFSET]);
+// } else {
+// buf.append((ch - OFFSET));
+// }
+// } else {
+// buf.append(ch);
+// }
+// }
+// return buf.toString();
+// }
}
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