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/**

** @file mruby/debug.h - mruby debug info

** See Copyright Notice in mruby.h

#ifndef MRUBY_DEBUG_H

#define MRUBY_DEBUG_H

#include "common.h"

/**

* mruby Debugging.

MRB_BEGIN_DECL

typedef enum mrb_debug_line_type {

mrb_debug_line_ary = 0,

mrb_debug_line_flat_map,

mrb_debug_line_packed_map

} mrb_debug_line_type;

typedef struct mrb_irep_debug_info_line {

uint32_t start_pos;

uint16_t line;

} mrb_irep_debug_info_line;

typedef struct mrb_irep_debug_info_file {

uint32_t start_pos;

mrb_sym filename_sym;

uint32_t line_entry_count;

mrb_debug_line_type line_type;

union {

const char *s;

void *ptr;

const uint16_t *ary;

const mrb_irep_debug_info_line *flat_map;

const uint8_t *packed_map;

} lines;

} mrb_irep_debug_info_file;

typedef struct mrb_irep_debug_info {

uint32_t pc_count;

uint16_t flen;

mrb_irep_debug_info_file **files;

} mrb_irep_debug_info;

* get filename from irep's debug info and program counter

* @return returns NULL if not found

MRB_API const char *mrb_debug_get_filename(mrb_state *mrb, const mrb_irep *irep, uint32_t pc);

* get line from irep's debug info and program counter

* @return returns -1 if not found

MRB_API int32_t mrb_debug_get_line(mrb_state *mrb, const mrb_irep *irep, uint32_t pc);

* get line and filename from irep's debug info and program counter

* @return returns FALSE if not found

MRB_API mrb_bool mrb_debug_get_position(mrb_state *mrb, const mrb_irep *irep, uint32_t pc, int32_t *lp, const char **fp);

MRB_API void mrb_debug_info_free(mrb_state *mrb, mrb_irep_debug_info *d);

MRB_END_DECL

#endif /* MRUBY_DEBUG_H */