From b568f03e400d1d5752b76e19456e6fce8a5308b3 Mon Sep 17 00:00:00 2001
From: jochen <jochen@379699f6-c40d-0410-875b-85095c16579e>
Date: Mon, 15 Mar 1999 19:32:16 +0000
Subject: [PATCH] adapted to new early operands

git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@434 379699f6-c40d-0410-875b-85095c16579e
---
 jode/jode/flow/CreateNewConstructor.java | 98 ++++++++++++++----------
 1 file changed, 59 insertions(+), 39 deletions(-)

diff --git a/jode/jode/flow/CreateNewConstructor.java b/jode/jode/flow/CreateNewConstructor.java
index 2ad0af4..29af9fe 100644
--- a/jode/jode/flow/CreateNewConstructor.java
+++ b/jode/jode/flow/CreateNewConstructor.java
@@ -30,58 +30,65 @@ public class CreateNewConstructor {
          *  (optional DUP)
          *  PUSH load_ops
          *  optionally:  <= used for "string1 += string2"
-         *      DUP_X2
-         *  [ n non void + some void expressions ]
-         *  stack_n.<init>(stack_n-1,...,stack_0)
+         *      DUP_X2/1  <= 2 if above DUP is present
+         *  stack_n.<init>((optional: stack_n), resolved expressions)
          *
          * transform it to
          *
          *  PUSH load_ops
          *  optionally:
-         *      DUP_X1      <= remove the depth
-         *  [ n non void + some void expressions ]
-         *  (optional PUSH) new <object>(stack_n-1,...,stack_0)
+         *      DUP       <= remove the depth
+         *  (optional PUSH) new <object>((optional: stack_n), 
+	 *                               resolved expressions)
          */
 
         if (!(last.outer instanceof SequentialBlock))
             return false;
-        if (!(ic.getInstruction() instanceof InvokeOperator))
+        if (!(ic.getInstruction().getOperator() instanceof InvokeOperator))
             return false;
-        InvokeOperator constrCall = (InvokeOperator) ic.getInstruction();
+	Expression constrExpr = ic.getInstruction();
+        InvokeOperator constrCall = (InvokeOperator) constrExpr.getOperator();
         if (!constrCall.isConstructor())
             return false;
 
         /* The rest should probably succeed */
-        int params = constrCall.getOperandCount() - 1;
+
         SpecialBlock optDupX2 = null;
         SequentialBlock sequBlock = (SequentialBlock) last.outer;
-        while (params > 0) {
-            if (!(sequBlock.subBlocks[0] instanceof InstructionBlock))
-                return false;
-            Expression expr 
-                = ((InstructionBlock) sequBlock.subBlocks[0]).getInstruction();
-            if (!expr.isVoid())
-                params--;
-            if (expr.getOperandCount() > 0) {
-                if (params == 0
-                    && sequBlock.outer instanceof SequentialBlock
-                    && sequBlock.outer.getSubBlocks()[0] 
-                    instanceof SpecialBlock) {
-                    /* handle the optional dup */
-                    sequBlock = (SequentialBlock) sequBlock.outer;
-                    optDupX2 = (SpecialBlock) sequBlock.subBlocks[0];
-                    if (optDupX2.type != SpecialBlock.DUP
-                        || optDupX2.depth != 2)
-                        return false;
-                    params = optDupX2.count;
-                } else
-                    return false;
-            }
-            if (!(sequBlock.outer instanceof SequentialBlock))
-                return false;
-            sequBlock = (SequentialBlock) sequBlock.outer;
-        }
 
+	if (constrExpr instanceof ComplexExpression) {
+	    Expression[] subs = 
+		((ComplexExpression) constrExpr).getSubExpressions();
+	    if (!(subs[0] instanceof NopOperator))
+		return false;
+	    if (constrExpr.getOperandCount() == 2) {
+		if (!(subs[1] instanceof NopOperator))
+		    return false;
+		if (!(sequBlock.outer instanceof SequentialBlock)
+		    || !(sequBlock.subBlocks[0] instanceof SpecialBlock))
+		    return false;
+		optDupX2 = (SpecialBlock) sequBlock.subBlocks[0];
+		sequBlock = (SequentialBlock) sequBlock.outer;
+		if (optDupX2.type != SpecialBlock.DUP 
+		    || optDupX2.depth == 0)
+		    return false;
+		int count = optDupX2.count;
+		do {
+		    if (!(sequBlock.outer instanceof SequentialBlock)
+			|| !(sequBlock.subBlocks[0] 
+			     instanceof InstructionBlock))
+			return false;
+		    Expression expr = 
+			((InstructionBlock) 
+			 sequBlock.subBlocks[0]).getInstruction();
+		    count -= expr.getType().stackSize();
+		    sequBlock = (SequentialBlock) sequBlock.outer;
+		} while (count > 0);
+	    } else if (constrExpr.getOperandCount() != 1)
+		return false;
+	} else if (constrExpr.getOperandCount() != 1)
+	    return false;
+	
         while (sequBlock.subBlocks[0] instanceof InstructionBlock
                && ((InstructionBlock)sequBlock.subBlocks[0])
                .getInstruction().isVoid()
@@ -97,7 +104,10 @@ public class CreateNewConstructor {
                 || dup.count != 1 || dup.depth != 0)
                 return false;
             sequBlock = (SequentialBlock)sequBlock.outer;
-        }
+	    if (optDupX2 != null && optDupX2.depth != 2)
+		return false;
+        } else if (optDupX2 != null && optDupX2.depth != 1)
+	    return false;
 
         if (!(sequBlock.subBlocks[0] instanceof InstructionBlock))
             return false;
@@ -114,9 +124,19 @@ public class CreateNewConstructor {
             dup.removeBlock();
         if (optDupX2 != null)
             optDupX2.depth = 0;
-        ic.setInstruction(new ConstructorOperator(constrCall.getClassType(), 
-                                                  constrCall.getMethodType(),
-                                                  dup == null));
+
+	Expression newExpr = new ConstructorOperator
+	    (constrCall.getClassType(), constrCall.getMethodType(), 
+	     dup == null);
+
+	if (constrExpr instanceof ComplexExpression) {
+	    Expression[] subs = 
+		((ComplexExpression)constrExpr).getSubExpressions();
+	    for (int i=subs.length - 1; i>=1; i--)
+		if (!(subs[i] instanceof NopOperator))
+		    newExpr = newExpr.addOperand(subs[i]);
+	}
+	ic.setInstruction(newExpr);
         return true;
     }
 }