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https://github.com/janet-lang/janet
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88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
#ifndef ds_h_INCLUDED
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#define ds_h_INCLUDED
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#include "datatypes.h"
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/****/
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/* Buffer functions */
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/****/
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/* Create a new buffer */
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Buffer * BufferNew(VM * vm, uint32_t capacity);
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/* Ensure the buffer has enough capacity */
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void BufferEnsure(VM * vm, Buffer * buffer, uint32_t capacity);
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/* Get a value from the buffer */
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int32_t BufferGet(Buffer * buffer, uint32_t index);
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/* Push a value to the buffer */
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void BufferPush(VM * vm, Buffer * buffer, uint8_t c);
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/* Append a piece of memory to the buffer */
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void BufferAppendData(VM * vm, Buffer * buffer, uint8_t * string, uint32_t length);
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/* Convert the buffer to a string */
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uint8_t * BufferToString(VM * vm, Buffer * buffer);
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/* Define a push function for pushing a certain type to the buffer */
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#define BufferDefine(name, type) \
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static void BufferPush##name (VM * vm, Buffer * buffer, type x) { \
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union { type t; uint8_t bytes[sizeof(type)]; } u; \
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u.t = x; return BufferAppendData(vm, buffer, u.bytes, sizeof(type)); \
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}
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/****/
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/* Array functions */
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/****/
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/* Create a new Array */
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Array * ArrayNew(VM * vm, uint32_t capacity);
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/* Get a value of an array with bounds checking. Returns nil if
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* outside bounds. */
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Value ArrayGet(Array * array, uint32_t index);
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/* Set a value in the array. Does bounds checking but will not grow
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* or shrink the array */
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int ArraySet(Array * array, uint32_t index, Value x);
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/* Ensure that the internal memory hash enough space for capacity items */
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void ArrayEnsure(VM * vm, Array * array, uint32_t capacity);
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/* Set a value in an array. Will also append to the array if the index is
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* greater than the current max index. */
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void ArrayPush(VM * vm, Array * array, Value x);
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/* Pop the last item in the array, or return NIL if empty */
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Value ArrayPop(Array * array);
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/* Look at the top most item of an Array */
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Value ArrayPeek(Array * array);
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/****/
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/* Dictionary functions */
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/****/
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/* Create a new dictionary */
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Dictionary * DictNew(VM * vm, uint32_t capacity);
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/* Get a value out of the dictionary */
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Value DictGet(Dictionary * dict, Value key);
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/* Get a Value from the dictionary, but remove it at the same
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* time. */
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Value DictRemove(VM * vm, Dictionary * dict, Value key);
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/* Put a value into the dictionary. Returns 1 if successful, 0 if out of memory.
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* The VM pointer is needed for memory allocation. */
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void DictPut(VM * vm, Dictionary * dict, Value key, Value value);
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/* Begin iteration through a dictionary */
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void DictIterate(Dictionary * dict, DictionaryIterator * iterator);
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/* Provides a mechanism for iterating through a table. */
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int DictIterateNext(DictionaryIterator * iterator, DictBucket ** bucket);
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#endif // ds_h_INCLUDED
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