public DecompilerIfBlock(
Block block,
Decompiler decompiler,
List<DecompilerBlock> thenBranch,
List<DecompilerBlock> elseBranch,
PrintStream infoStream) {
super(block, decompiler);
this.thenBranch = thenBranch;
this.elseBranch = elseBranch;
this.infoStream = infoStream;
this.head = new DecompilerBasicBlock(block, decompiler, decompiler.getSchedule());
if (!(thenBranch.isEmpty() == false
&& head.getBlock().getSuccessors().contains(thenBranch.get(0).getBlock())
|| (elseBranch.isEmpty() == false
&& head.getBlock().getSuccessors().contains(elseBranch.get(0).getBlock())))) {
// first block of then / else MUST be a successor of the head!
throw new AssertionError(decompiler.contexInformation);
}
}
@Override
public void printBlock(PrintStream stream, Block codeSuccessor) {
List<DecompilerSyntaxLine> lines = head.getCode();
for (int i = 0; i < lines.size() - 1; i++) {
if (lines.get(i) != null) {
String line = lines.get(i).getAsString();
stream.println(decompiler.getIdent() + line);
}
}
DecompilerIfLine ifLine = (DecompilerIfLine) lines.get(lines.size() - 1);
if (!thenBranch.isEmpty() && block.getSuccessors().contains(thenBranch.get(0).getBlock())) {
if (elseBranch.isEmpty()) {
// while break:
stream.println(decompiler.getIdent() + ifLine.getIfNegStatement());
decompiler.ident();
stream.println(decompiler.getIdent() + "BREAK TO " + block.getSuccessors().get(1));
decompiler.undent();
for (int i = 0; i < thenBranch.size(); i++) {
if (i < thenBranch.size() - 1) {
thenBranch.get(i).printBlock(stream, thenBranch.get(i + 1).getBlock());
} else {
thenBranch.get(i).printBlock(stream, codeSuccessor);
}
}
} else {
stream.println(decompiler.getIdent() + ifLine.getIfStatement() + " {");
decompiler.ident();
for (int i = 0; i < thenBranch.size(); i++) {
if (i < thenBranch.size() - 1) {
thenBranch.get(i).printBlock(stream, thenBranch.get(i + 1).getBlock());
} else {
thenBranch.get(i).printBlock(stream, codeSuccessor);
}
}
decompiler.undent();
stream.println(decompiler.getIdent() + "} ELSE {");
decompiler.ident();
for (int i = 0; i < elseBranch.size(); i++) {
if (i < elseBranch.size() - 1) {
elseBranch.get(i).printBlock(stream, elseBranch.get(i + 1).getBlock());
} else {
elseBranch.get(i).printBlock(stream, codeSuccessor);
}
}
decompiler.undent();
stream.println(decompiler.getIdent() + "}");
}
} else if (!elseBranch.isEmpty()
&& block.getSuccessors().contains(elseBranch.get(0).getBlock())) {
if (thenBranch.isEmpty()) {
// while break:
stream.println(decompiler.getIdent() + ifLine.getIfStatement());
decompiler.ident();
stream.println(decompiler.getIdent() + "BREAK TO " + block.getSuccessors().get(0));
decompiler.undent();
for (int i = 0; i < elseBranch.size(); i++) {
if (i < elseBranch.size() - 1) {
elseBranch.get(i).printBlock(stream, elseBranch.get(i + 1).getBlock());
} else {
elseBranch.get(i).printBlock(stream, codeSuccessor);
}
}
} else {
stream.println(decompiler.getIdent() + ifLine.getIfNegStatement() + " {");
decompiler.ident();
for (int i = 0; i < elseBranch.size(); i++) {
if (i < elseBranch.size() - 1) {
elseBranch.get(i).printBlock(stream, elseBranch.get(i + 1).getBlock());
} else {
elseBranch.get(i).printBlock(stream, codeSuccessor);
}
}
decompiler.undent();
stream.println(decompiler.getIdent() + "} ELSE {");
decompiler.ident();
for (int i = 0; i < thenBranch.size(); i++) {
if (i < thenBranch.size() - 1) {
thenBranch.get(i).printBlock(stream, thenBranch.get(i + 1).getBlock());
} else {
thenBranch.get(i).printBlock(stream, codeSuccessor);
}
}
decompiler.undent();
stream.println(decompiler.getIdent() + "}");
}
} else {
throw new AssertionError();
}
}