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Code Issues Releases Wiki Activity

option to pass numeric literals undecoded

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This commit is contained in:
Roman Shevchenko 2014-05-28 19:42:51 +04:00
parent 5c8ad60f12
commit 0a66fa8925
4 changed files with 36 additions and 9 deletions
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1
dist/docs/readme.txt vendored
View File

@ -51,6 +51,7 @@ occ (0): ouput copyright comment
ner (1): assume return not throwing exceptions
den (1): decompile enumerations
rgn (1): remove getClass() invocation, when it is part of a qualified new statement
lit (0): output numeric and character literals "as-is"
bto (1): interpret int 1 as boolean true (workaround to a compiler bug)
nns (1): allow for not set synthetic attribute (workaround to a compiler bug)
uto (1): consider nameless types as java.lang.Object (workaround to a compiler architecture flaw)

2
src/de/fernflower/main/DecompilerContext.java
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@ -76,7 +76,7 @@ public class DecompilerContext {
mapDefault.put(IFernflowerPreferences.DECOMPILE_ENUM, "1");
mapDefault.put(IFernflowerPreferences.FINALLY_DEINLINE, "1");
mapDefault.put(IFernflowerPreferences.REMOVE_GETCLASS_NEW, "1");
mapDefault.put(IFernflowerPreferences.LITERALS_AS_IS, "0");
mapDefault.put(IFernflowerPreferences.BOOLEAN_TRUE_ONE, "1");
mapDefault.put(IFernflowerPreferences.SYNTHETIC_NOT_SET, "1");
mapDefault.put(IFernflowerPreferences.UNDEFINED_PARAM_TYPE_OBJECT, "1");

1
src/de/fernflower/main/extern/IFernflowerPreferences.java vendored
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@ -28,6 +28,7 @@ public interface IFernflowerPreferences {
public static final String NO_EXCEPTIONS_RETURN = "ner";
public static final String DECOMPILE_ENUM = "den";
public static final String REMOVE_GETCLASS_NEW = "rgn";
public static final String LITERALS_AS_IS = "bto";
public static final String BOOLEAN_TRUE_ONE = "bto";
public static final String SYNTHETIC_NOT_SET = "nns";
public static final String UNDEFINED_PARAM_TYPE_OBJECT = "uto";

33
src/de/fernflower/modules/decompiler/exps/ConstExprent.java
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@ -101,6 +101,7 @@ public class ConstExprent extends Exprent {
}
public String toJava(int indent) {
boolean literal = DecompilerContext.getOption(IFernflowerPreferences.LITERALS_AS_IS);
if(consttype.type != CodeConstants.TYPE_NULL && value == null) {
return ExprProcessor.getCastTypeName(consttype);
@ -112,7 +113,7 @@ public class ConstExprent extends Exprent {
Integer val = (Integer)value;
String ret = escapes.get(val);
if(ret == null) {
if(val.intValue() >= 32 && val.intValue() < 127) {
if(literal || val.intValue() >= 32 && val.intValue() < 127) {
ret = String.valueOf((char)val.intValue());
} else {
ret = InterpreterUtil.charToUnicodeLiteral(val);
@ -127,7 +128,9 @@ public class ConstExprent extends Exprent {
int ival = ((Integer)value).intValue();
String intfield;
if(ival == Integer.MAX_VALUE) {
if(literal) {
return value.toString();
} else if(ival == Integer.MAX_VALUE) {
intfield = "MAX_VALUE";
} else if(ival == Integer.MIN_VALUE) {
intfield = "MIN_VALUE";
@ -139,7 +142,9 @@ public class ConstExprent extends Exprent {
long lval = ((Long)value).longValue();
String longfield;
if(lval == Long.MAX_VALUE) {
if(literal) {
return value.toString()+"L";
} else if(lval == Long.MAX_VALUE) {
longfield = "MAX_VALUE";
} else if(lval == Long.MIN_VALUE) {
longfield = "MIN_VALUE";
@ -151,7 +156,17 @@ public class ConstExprent extends Exprent {
double dval = ((Double)value).doubleValue();
String doublefield;
if(literal) {
if(Double.isNaN(dval)) {
return "0.0D / 0.0";
} else if(dval == Double.POSITIVE_INFINITY) {
return "1.0D / 0.0";
} else if(dval == Double.NEGATIVE_INFINITY) {
return "-1.0D / 0.0";
} else {
return value.toString() + "D";
}
} else if(Double.isNaN(dval)) {
doublefield = "NaN";
} else if(dval == Double.POSITIVE_INFINITY) {
doublefield = "POSITIVE_INFINITY";
@ -169,7 +184,17 @@ public class ConstExprent extends Exprent {
float fval = ((Float)value).floatValue();
String floatfield;
if(Float.isNaN(fval)) {
if(literal) {
if(Double.isNaN(fval)) {
return "0.0F / 0.0";
} else if(fval == Double.POSITIVE_INFINITY) {
return "1.0F / 0.0";
} else if(fval == Double.NEGATIVE_INFINITY) {
return "-1.0F / 0.0";
} else {
return value.toString() + "F";
}
} else if(Float.isNaN(fval)) {
floatfield = "NaN";
} else if(fval == Float.POSITIVE_INFINITY) {
floatfield = "POSITIVE_INFINITY";