Rava/ir/ir.h

#ifndef RAVA_IR_H
#define RAVA_IR_H

#include "../types/types.h"
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>

typedef enum {
    RAVA_OP_NOP,

    RAVA_OP_LOAD_CONST,
    RAVA_OP_LOAD_LONG,
    RAVA_OP_LOAD_DOUBLE,
    RAVA_OP_LOAD_STRING,
    RAVA_OP_LOAD_LOCAL,
    RAVA_OP_LOAD_FIELD,
    RAVA_OP_LOAD_STATIC,
    RAVA_OP_LOAD_ARRAY,

    RAVA_OP_STORE_LOCAL,
    RAVA_OP_STORE_FIELD,
    RAVA_OP_STORE_STATIC,
    RAVA_OP_STORE_ARRAY,

    RAVA_OP_ADD,
    RAVA_OP_SUB,
    RAVA_OP_MUL,
    RAVA_OP_DIV,
    RAVA_OP_MOD,
    RAVA_OP_NEG,

    RAVA_OP_AND,
    RAVA_OP_OR,
    RAVA_OP_XOR,
    RAVA_OP_NOT,
    RAVA_OP_SHL,
    RAVA_OP_SHR,
    RAVA_OP_USHR,

    RAVA_OP_EQ,
    RAVA_OP_NE,
    RAVA_OP_LT,
    RAVA_OP_LE,
    RAVA_OP_GT,
    RAVA_OP_GE,

    RAVA_OP_JUMP,
    RAVA_OP_JUMP_IF_TRUE,
    RAVA_OP_JUMP_IF_FALSE,
    RAVA_OP_LABEL,

    RAVA_OP_CALL,
    RAVA_OP_CALL_STATIC,
    RAVA_OP_CALL_VIRTUAL,
    RAVA_OP_CALL_NATIVE,
    RAVA_OP_RETURN,
    RAVA_OP_RETURN_VOID,

    RAVA_OP_NEW,
    RAVA_OP_NEW_ARRAY,
    RAVA_OP_ARRAY_LENGTH,
    RAVA_OP_GET_FIELD,
    RAVA_OP_PUT_FIELD,

    RAVA_OP_CAST,
    RAVA_OP_INSTANCEOF,

    RAVA_OP_THROW,
    RAVA_OP_POP,
    RAVA_OP_DUP,

    RAVA_OP_PRINT,
    RAVA_OP_PRINTLN,

    RAVA_OP_STRING_LENGTH,
    RAVA_OP_STRING_CHARAT,
    RAVA_OP_STRING_SUBSTRING,
    RAVA_OP_STRING_EQUALS,
    RAVA_OP_STRING_COMPARETO,

    RAVA_OP_LOAD_THIS,

    RAVA_OP_FILE_READ,
    RAVA_OP_FILE_WRITE,
    RAVA_OP_FILE_EXISTS,
    RAVA_OP_FILE_DELETE,

    RAVA_OP_CURRENT_TIME_MILLIS,
    RAVA_OP_NANO_TIME,

    RAVA_OP_INC_LOCAL,
    RAVA_OP_DEC_LOCAL,
    RAVA_OP_LOAD_LOCAL_CONST_ADD,
    RAVA_OP_LOAD_LOCAL_CONST_LT_JUMPFALSE,
    RAVA_OP_LOAD_LOCAL_CONST_LE_JUMPFALSE,
    RAVA_OP_LOAD_TWO_LOCALS,
    RAVA_OP_ADD_LOCAL_TO_LOCAL,
    RAVA_OP_LOAD_LOCAL_LT_LOCAL_JUMPFALSE
} RavaOpCode_e;

typedef union {
    int64_t int_value;
    double float_value;
    char *string_value;
    int label_id;
    struct {
        int index;
        RavaType_t *type;
    } var;
    struct {
        char *class_name;
        char *method_name;
        int arg_count;
    } call;
    struct {
        char *class_name;
        char *field_name;
    } field;
    struct {
        int local_index;
        int64_t const_value;
        int label_id;
    } super;
    struct {
        int index1;
        int index2;
    } two_locals;
    struct {
        int dest_index;
        int src_index;
    } add_locals;
    struct {
        int local1;
        int local2;
        int label_id;
    } cmp_locals;
} RavaOperand_u;

typedef struct {
    RavaOpCode_e opcode;
    RavaOperand_u operand;
    int line;
} RavaInstruction_t;

typedef struct {
    RavaInstruction_t *instructions;
    size_t count;
    size_t capacity;
    int next_label_id;
} RavaInstructionList_t;

struct LabelTable_s;

typedef struct {
    char *name;
    RavaType_t *return_type;
    RavaType_t **param_types;
    size_t param_count;
    int local_count;
    RavaInstructionList_t *instructions;
    struct LabelTable_s *label_table;
} RavaMethod_t;

typedef struct {
    char *name;
    char *superclass;
    RavaMethod_t **methods;
    size_t method_count;
    size_t method_capacity;
} RavaClass_t;

typedef struct {
    RavaClass_t **classes;
    size_t class_count;
    size_t class_capacity;
} RavaProgram_t;

RavaInstructionList_t* rava_instruction_list_create();
void rava_instruction_list_destroy(RavaInstructionList_t *list);
void rava_instruction_list_add(RavaInstructionList_t *list, RavaInstruction_t instr);
int rava_instruction_list_new_label(RavaInstructionList_t *list);

RavaMethod_t* rava_method_create(const char *name, RavaType_t *return_type);
void rava_method_destroy(RavaMethod_t *method);

RavaClass_t* rava_class_create(const char *name);
void rava_class_destroy(RavaClass_t *class);
void rava_class_add_method(RavaClass_t *class, RavaMethod_t *method);

RavaProgram_t* rava_program_create();
void rava_program_destroy(RavaProgram_t *program);
void rava_program_add_class(RavaProgram_t *program, RavaClass_t *class);

void rava_ir_print(RavaProgram_t *program);

#endif