Trying to build a forth runtime in C
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forth/include/fh_stack.h

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1.5 KiB

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/**
* Forth stack operations
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*
* Created on 2021/11/13.
*/
#ifndef FORTH_FH_STACK_H
#define FORTH_FH_STACK_H
enum fh_error ds_roll(struct fh_thread_s *fh, int n);
/** Peek n-th element of data stack, 0=topmost */
enum fh_error ds_peek_n(struct fh_thread_s *fh, uint32_t *out, int n);
/** Peek n-th element of return stack, 0=topmost */
enum fh_error rs_peek_n(struct fh_thread_s *fh, uint32_t *out, int n);
/** Peek n-th element of control stack, 0=topmost */
static inline enum fh_error cs_peek_n(struct fh_thread_s *fh, uint32_t *out, int n) {
return ds_peek_n(fh, out, n);
}
/** Peek top of data stack */
static inline enum fh_error ds_peek(struct fh_thread_s *fh, uint32_t *out)
{
return ds_peek_n(fh, out, 0);
}
/** Peek top of return stack */
static inline enum fh_error rs_peek(struct fh_thread_s *fh, uint32_t *out)
{
return rs_peek_n(fh, out, 0);
}
/** Peek top of control stack */
static inline enum fh_error cs_peek(struct fh_thread_s *fh, uint32_t *out)
{
return cs_peek_n(fh, out, 0);
}
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enum fh_error ds_pop(struct fh_thread_s *fh, uint32_t *out);
enum fh_error rs_pop(struct fh_thread_s *fh, uint32_t *out);
static inline enum fh_error cs_pop(struct fh_thread_s *fh, uint32_t *out) {
return ds_pop(fh, out);
}
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enum fh_error ds_push(struct fh_thread_s *fh, uint32_t in);
enum fh_error rs_push(struct fh_thread_s *fh, uint32_t in);
static inline enum fh_error cs_push(struct fh_thread_s *fh, uint32_t in) {
return ds_push(fh, in);
}
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#endif //FORTH_FH_STACK_H