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#ifndef RAVA_FASTFRAME_H
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#define RAVA_FASTFRAME_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include "nanbox.h"
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#include "../ir/ir.h"
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#define RAVA_MAX_CALL_DEPTH 1024
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#define RAVA_MAX_LOCALS_FIXED 64
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#define RAVA_MAX_STACK_FIXED 512
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#define RAVA_INLINE_FRAME_LOCALS 8
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#define RAVA_INLINE_FRAME_STACK 16
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typedef struct {
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RavaMethod_t* method;
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RavaNanboxValue_t locals[RAVA_MAX_LOCALS_FIXED];
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RavaNanboxValue_t stack[RAVA_MAX_STACK_FIXED];
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size_t stack_top;
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size_t pc;
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bool has_this;
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RavaNanboxValue_t this_ref;
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} FastFrame_t;
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typedef struct {
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RavaNanboxValue_t locals[RAVA_INLINE_FRAME_LOCALS];
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RavaNanboxValue_t stack[RAVA_INLINE_FRAME_STACK];
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int sp;
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} RavaInlineFrame_t;
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extern FastFrame_t rava_frame_pool[RAVA_MAX_CALL_DEPTH];
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extern size_t rava_frame_depth;
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void rava_fastframe_init(void);
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FastFrame_t* rava_fastframe_push(RavaMethod_t* method, int local_count);
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void rava_fastframe_pop(void);
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FastFrame_t* rava_fastframe_current(void);
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size_t rava_fastframe_get_depth(void);
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void rava_fastframe_reset(void);
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static inline void rava_fastframe_stack_push(FastFrame_t* frame, RavaNanboxValue_t v) {
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if (frame->stack_top < RAVA_MAX_STACK_FIXED) {
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frame->stack[frame->stack_top++] = v;
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}
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}
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static inline RavaNanboxValue_t rava_fastframe_stack_pop(FastFrame_t* frame) {
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if (frame->stack_top > 0) {
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return frame->stack[--frame->stack_top];
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}
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return rava_nanbox_null();
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}
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static inline RavaNanboxValue_t rava_fastframe_stack_peek(FastFrame_t* frame) {
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if (frame->stack_top > 0) {
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return frame->stack[frame->stack_top - 1];
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}
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return rava_nanbox_null();
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}
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static inline void rava_fastframe_stack_clear(FastFrame_t* frame) {
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frame->stack_top = 0;
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}
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static inline bool rava_fastframe_stack_is_empty(FastFrame_t* frame) {
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return frame->stack_top == 0;
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}
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#endif
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