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56 lines
1.7 KiB
56 lines
1.7 KiB
/**
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* Forth stack operations
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*
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* Created on 2021/11/13.
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*/
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#ifndef FORTH_FH_STACK_H
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#define FORTH_FH_STACK_H
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enum fh_error ds_roll(struct fh_thread_s *fh, int n);
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/** Peek n-th element of data stack, 0=topmost */
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enum fh_error ds_peek_n(struct fh_thread_s *fh, uint32_t *out, int n);
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/** Peek n-th element of return stack, 0=topmost */
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enum fh_error rs_peek_n(struct fh_thread_s *fh, uint32_t *out, int n);
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/** Peek n-th element of control stack, 0=topmost */
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static inline enum fh_error cs_peek_n(struct fh_thread_s *fh, uint32_t *out, int n) {
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return ds_peek_n(fh, out, n);
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}
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enum fh_error ds_push_dw(struct fh_thread_s *fh, uint64_t in);
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enum fh_error ds_pop_dw(struct fh_thread_s *fh, uint64_t *out);
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enum fh_error rs_poke_n(struct fh_thread_s *fh, uint32_t value, int n);
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/** Peek top of data stack */
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static inline enum fh_error ds_peek(struct fh_thread_s *fh, uint32_t *out)
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{
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return ds_peek_n(fh, out, 0);
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}
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/** Peek top of return stack */
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static inline enum fh_error rs_peek(struct fh_thread_s *fh, uint32_t *out)
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{
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return rs_peek_n(fh, out, 0);
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}
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/** Peek top of control stack */
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static inline enum fh_error cs_peek(struct fh_thread_s *fh, uint32_t *out)
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{
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return cs_peek_n(fh, out, 0);
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}
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enum fh_error ds_pop(struct fh_thread_s *fh, uint32_t *out);
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enum fh_error rs_pop(struct fh_thread_s *fh, uint32_t *out);
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static inline enum fh_error cs_pop(struct fh_thread_s *fh, uint32_t *out) {
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return ds_pop(fh, out);
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}
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enum fh_error ds_push(struct fh_thread_s *fh, uint32_t in);
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enum fh_error rs_push(struct fh_thread_s *fh, uint32_t in);
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static inline enum fh_error cs_push(struct fh_thread_s *fh, uint32_t in) {
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return ds_push(fh, in);
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}
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#endif //FORTH_FH_STACK_H
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