asm_lex.h

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#ifndef ASM_LEX_H
#define ASM_LEX_H

#define lex_tok_LOAD    "LOAD"
#define lex_tok_STORE   "STORE" 
#define lex_tok_PUSH    "PUSH" 
#define lex_tok_POP     "POP" 
#define lex_tok_MOV     "MOV" 
#define lex_tok_JUMP    "JUMP" 
#define lex_tok_CALL    "CALL" 
#define lex_tok_RETURN  "RETURN" 
#define lex_tok_TEST    "TEST"
#define lex_tok_HALT    "HALT" 
#define lex_tok_AND     "AND"
#define lex_tok_NAND    "NAND" 
#define lex_tok_OR      "OR" 
#define lex_tok_NOR     "NOR" 
#define lex_tok_XOR     "XOR" 
#define lex_tok_LSL     "LSL" 
#define lex_tok_LSR     "LSR" 
#define lex_tok_NOT     "NOT" 
#define lex_tok_IADD    "IADD" 
#define lex_tok_ISUB    "ISUB" 
#define lex_tok_IMUL    "IMUL" 
#define lex_tok_IDIV    "IDIV" 
#define lex_tok_IASR    "IASR" 
#define lex_tok_FADD    "FADD" 
#define lex_tok_FSUB    "FSUB" 
#define lex_tok_FMUL    "FMUL" 
#define lex_tok_FDIV    "FDIV" 
#define lex_tok_FASR    "FASR" 
#define lex_tok_NOP     "NOP"
#define lex_tok_SLEEP   "SLEEP" 
#define lex_tok_DATA    "DATA" 


typedef enum asm_lex_opcode_e{
    LEX_LOAD   = 1,   
    LEX_STORE  = 2 , 
    LEX_PUSH   = 3 , 
    LEX_POP    = 4 , 
    LEX_MOV    = 5 , 
    LEX_JUMP   = 6 , 
    LEX_CALL   = 7 , 
    LEX_RETURN = 8 ,
    LEX_TEST   = 9 , 
    LEX_HALT   = 10, 
    LEX_AND    = 11, 
    LEX_NAND   = 12, 
    LEX_OR     = 13, 
    LEX_NOR    = 14, 
    LEX_XOR    = 15, 
    LEX_LSL    = 16, 
    LEX_LSR    = 17, 
    LEX_NOT    = 18, 
    LEX_IADD   = 19, 
    LEX_ISUB   = 20, 
    LEX_IMUL   = 21, 
    LEX_IDIV   = 22, 
    LEX_IASR   = 23, 
    LEX_FADD   = 24, 
    LEX_FSUB   = 25, 
    LEX_FMUL   = 26, 
    LEX_FDIV   = 27, 
    LEX_FASR   = 28, 
    LEX_NOP    = 29, 
    LEX_SLEEP  = 30, 
    LEX_DATA   = 31, 
    LEX_ERROR = 32
} asm_lex_opcode;

typedef char asm_lex_label;

typedef union asm_lex_token_value_e{
    tim_register     reg;
    tim_immediate    immediate;
    tim_condition    condition;
    asm_lex_opcode   opcode;
    asm_lex_label  * label;
} asm_lex_token_value;

typedef enum asm_lex_token_type_e{
    OPCODE, 
    LABEL,
    REGISTER,
    IMMEDIATE,
    CONDITION
} asm_lex_token_type;


typedef struct asm_lex_token_t asm_lex_token;
struct asm_lex_token_t{
    asm_lex_token_type    type;
    asm_lex_token_value   value;
    asm_lex_token       * next;
    unsigned int          line_number;
};

asm_lex_token *  asm_lex_input_file(FILE * input, int * errors);

#endif