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#pragma once
namespace code {
/**
* Describes a stack frame in a relatively machine-independent manner. Only attempts to describe
* enough for stack-unwinding to work.
*
* Not exposed to Storm as we can not allocate objects on Storm:s heap when exceptions are being
* handled.
*/
class StackFrame : NoCopy {
public:
StackFrame(Nat block, Nat activation);
// Currently active block and activation.
Nat block;
Nat activation;
// Compute the offset of the variable, given the offset found in the metadata table.
virtual void *toPtr(int offset) = 0;
};
/**
* Description, generated by the back-ends, of how a variable should be cleaned up.
*/
struct VarCleanup {
// Cleanup function to call.
void *function;
// Stack offset.
int offset;
// Valid after the n:th activate op (counting the start of the listing as the first).
nat activeAfter;
};
}
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