private void setup(Block procBlock) {
if (!procBlock.isGiven()) {
throw getRuntime().newArgumentError("tried to create Proc object without a block");
}
if (isLambda()) {
// TODO: warn "tried to create Proc object without a block"
}
if (isThread()) {
// binding for incoming proc must not share frame
Binding oldBinding = procBlock.getBinding();
Binding newBinding =
new Binding(
oldBinding.getSelf(),
oldBinding.getFrame().duplicate(),
oldBinding.getVisibility(),
oldBinding.getDynamicScope(),
oldBinding.getMethod(),
oldBinding.getFile(),
oldBinding.getLine());
block = new Block(procBlock.getBody(), newBinding);
// modify the block with a new backref/lastline-grabbing scope
StaticScope oldScope = block.getBody().getStaticScope();
StaticScope newScope = oldScope.duplicate();
block.getBody().setStaticScope(newScope);
} else {
// just use as is
block = procBlock;
}
// force file/line info into the new block's binding
block.getBinding().setFile(block.getBody().getFile());
block.getBinding().setLine(block.getBody().getLine());
block.type = type;
block.setProcObject(this);
// pre-request dummy scope to avoid clone overhead in lightweight blocks
block.getBinding().getDummyScope(block.getBody().getStaticScope());
}
