/*

** mruby/debug.h - mruby debug info

**

** See Copyright Notice in mruby.h

*/

#ifndef MRUBY_DEBUG_H

#define MRUBY_DEBUG_H

#if defined(__cplusplus)

extern "C" {

#endif

typedef enum mrb_debug_line_type {

mrb_debug_line_ary = 0,

mrb_debug_line_flat_map = 1

} 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;

const char *filename;

mrb_sym filename_sym;

uint32_t line_entry_count;

mrb_debug_line_type line_type;

union {

void *line_ptr;

mrb_irep_debug_info_line *line_flat_map;

uint16_t *line_ary;

};

} 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 line from irep's debug info and program counter

* @return returns NULL if not found

*/

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

/*

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

* @return returns -1 if not found

*/

int32_t mrb_debug_get_line(mrb_irep *irep, uint32_t pc);

mrb_irep_debug_info_file *mrb_debug_info_append_file(

mrb_state *mrb, mrb_irep *irep,

uint32_t start_pos, uint32_t end_pos);

mrb_irep_debug_info *mrb_debug_info_alloc(mrb_state *mrb, mrb_irep *irep);

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

#if defined(__cplusplus)

} /* extern "C" { */

#endif

#endif /* MRUBY_DEBUG_H */