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A stack may be implemented as, for example, a singly linked list with a pointer to the top element. A stack may be implemented to have a bounded capacity. If the stack is full and does not contain enough space to accept another element, the stack is in a state of stack overflow. A stack is needed to implement depth-first search.
In computer science, an in-tree or parent pointer tree is an N-ary tree data structure in which each node has a pointer to its parent node, but no pointers to child nodes. When used to implement a set of stacks , the structure is called a spaghetti stack , cactus stack or saguaro stack (after the saguaro , a kind of cactus). [ 1 ]
Drop the stack pointer to the current base pointer, so room reserved in the prologue for local variables is freed. Pops the base pointer off the stack, so it is restored to its value before the prologue. Returns to the calling function, by popping the previous frame's program counter off the stack and jumping to it.
This is a list of well-known data structures. For a wider list of terms, see list of terms relating to algorithms and data structures. For a comparison of running times for a subset of this list see comparison of data structures.
this on stack low address. Return pointer on stack high address. Watcom: AX, DX, BX, CX: RTL (C) Callee Return pointer in SI. IA-32: cdecl: Unix-like : RTL (C) Caller When returning struct/class, the calling code allocates space and passes a pointer to this space via a hidden parameter on the stack. The called function writes the return value ...
An amendment to this rule is that if the class is designed in such a way that resource acquisition is initialization (RAII) is used for all its (nontrivial) members, the destructor may be left undefined (also known as The Law of The Big Two [3]). A ready-to-go example of this approach is the use of smart pointers instead of plain ones. [3]
The stack segment contains the call stack, a LIFO structure, typically located in the higher parts of memory. A "stack pointer" register tracks the top of the stack; it is adjusted each time a value is "pushed" onto the stack. The set of values pushed for one function call is termed a "stack frame". A stack frame consists at minimum of a return ...
Added in C++20. Provides the class template std::span, a non-owning view that refers to any contiguous range. <stack> Provides the container adapter class std::stack, a stack. <unordered_map> Added in C++11 and TR1. Provides the container class template std::unordered_map and std::unordered_multimap, hash tables. <unordered_set> Added in C++11 ...