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/*
** 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 = 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 *ptr;
mrb_irep_debug_info_line *flat_map;
uint16_t *ary;
} 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 line from irep's debug info and program counter
* @return returns NULL if not found
*/
MRB_API const char *mrb_debug_get_filename(mrb_irep *irep, ptrdiff_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_irep *irep, ptrdiff_t pc);
MRB_API 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_API mrb_irep_debug_info *mrb_debug_info_alloc(mrb_state *mrb, mrb_irep *irep);
MRB_API void mrb_debug_info_free(mrb_state *mrb, mrb_irep_debug_info *d);
MRB_END_DECL
#endif /* MRUBY_DEBUG_H */
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