mirror of https://github.com/janet-lang/janet
87 lines
2.5 KiB
C
87 lines
2.5 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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* Data type flags
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*/
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#define GST_DS_LOCKED 0x01
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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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GstBuffer *gst_buffer(Gst *vm, uint32_t capacity);
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/* Ensure the buffer has enough capacity */
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void gst_buffer_ensure(Gst *vm, GstBuffer *buffer, uint32_t capacity);
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/* Get a value from the buffer */
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int gst_buffer_get(GstBuffer *buffer, uint32_t index);
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/* Push a value to the buffer */
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void gst_buffer_push(Gst *vm, GstBuffer *buffer, uint8_t c);
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/* Append a piece of memory to the buffer */
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void gst_buffer_append(Gst *vm, GstBuffer *buffer, uint8_t *string, uint32_t length);
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/* Convert the buffer to a string */
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uint8_t *gst_buffer_to_string(Gst * vm, GstBuffer * buffer);
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/* Define a push function for pushing a certain type to the buffer */
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#define BUFFER_DEFINE(name, type) \
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static void gst_buffer_push_##name(Gst * vm, GstBuffer * buffer, type x) { \
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union { type t; uint8_t bytes[sizeof(type)]; } u; \
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u.t = x; gst_buffer_append(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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GstArray *gst_array(Gst *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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GstValue gst_array_get(GstArray *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 gst_array_set(GstArray *array, uint32_t index, GstValue x);
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/* Ensure that the internal memory hash enough space for capacity items */
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void gst_array_ensure(Gst *vm, GstArray *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 gst_array_push(Gst *vm, GstArray *array, GstValue x);
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/* Pop the last item in the array, or return NIL if empty */
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GstValue gst_array_pop(GstArray *array);
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/* Look at the top most item of an Array */
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GstValue ArrayPeek(GstArray *array);
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/****/
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/* Object functions */
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/****/
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/* Create a new object */
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GstObject *gst_object(Gst *vm, uint32_t capacity);
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/* Get a value out of the dictionary */
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GstValue gst_object_get(GstObject *obj, GstValue 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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GstValue gst_object_remove(Gst *vm, GstObject *obj, GstValue 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 gst_object_put(Gst *vm, GstObject *obj, GstValue key, GstValue value);
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#endif // ds_h_INCLUDED
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