mir.h

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#pragma once
 
#include <stdint.h>
 
#include "types/dstring.h"
#include "types/hashtable.h"
 
#define MIR_LIST_INITIAL_SIZE          50
#define MIR_LIST_INCREMENT_SIZE        100
#define MIR_BITFIELD_HASHTABLE_SIZE    1000
#define MIR_INSTRUCTION_HASHTABLE_SIZE 1000
#define MIR_REGISTER_HASHTABLE_SIZE    1000
#define MIR_VARIABLE_HASHTABLE_SIZE    1000
 
extern const char* mya_types[];
 
typedef enum mir_type
{
  TYPE_IMMEDIATE,
  TYPE_REGISTER,
} mir_type_t;

typedef enum mir_bitfield_spec_type
{
  FT_FIELDS,      
  FT_IDENTIFIER,  
  FT_LITERAL,     
  FT_SPEC,        
} mir_bitfield_spec_type_t;

typedef struct mir_bitfield_field
{
  dstring_t name;  
  uint32_t size;   
} mir_bitfield_field_t;

typedef struct mir_bitfield
{
  dstring_t name;                
  uint32_t size;                 
  mir_bitfield_field_t* fields;  
  unsigned int fields_length;    
  unsigned int _fields_size;     
} mir_bitfield_t;

typedef struct mir_bitfield_spec
{
  dstring_t name;                  
  mir_bitfield_spec_type_t type;   
  dstring_t identifier;            
  int64_t value;                   
  struct mir_bitfield_spec* spec;  
  unsigned int spec_length;        
  unsigned int _spec_size;         
} mir_bitfield_spec_t;

typedef struct mir_register
{
  dstring_t name;            
  uint32_t size;             
  mir_bitfield_spec_t spec;  
} mir_register_t;

typedef struct mir_inst_param
{
  dstring_t name;   
  mir_type_t type;  
  uint32_t size;    
} mir_inst_param_t;

typedef struct mir_inst
{
  dstring_t name;                  
  uint32_t size;                   
  mir_inst_param_t* parameters;    
  mir_bitfield_spec_t* fields;     
  unsigned int fields_length;      
  unsigned int parameters_length;  
  unsigned int _fields_size;       
  unsigned int _parameters_size;   
} mir_inst_t;

typedef struct mir
{
  mir_bitfield_t* bitfields;  
  mir_register_t* registers;  
  mir_inst_t* instructions;   
  hashtable_t variables;      
 
  unsigned int bitfields_length;     
  unsigned int registers_length;     
  unsigned int instructions_length;  
  unsigned int _bitfields_size;      
  unsigned int _registers_size;      
  unsigned int _instructions_size;   
 
  hashtable_t _bitfields_index;     
  hashtable_t _registers_index;     
  hashtable_t _instructions_index;  
} mir_t;