INTERPRETER OF HULK

GENERAL

Interprete del lenguaje HULK escrito en C# en .NET7.0 , Windows10. Para ejecutarlo:

  dotnet run --project Interpreter.Visual\Interpreter.Visual.csproj

Para informaciones generales del lenguaje ver Informe.tex y generar el pdf. Gracias!

GRAMATIC

program : statement_list

statement_list : compounds

statement : declarations
          | assignment
          | conditionals
          | functions
          | call_functions  
          | print
          | compounds

declarations : LET + ID (COMMA ID)* + EQUAL + compounds + IN + compounds

assignment : ID + ASSIGN + compounds

conditionals : IF + L_PARENT + compounds + R_PARENT (RETURN)* + compounds + ELSE (RETURN)*+ compounds

functions :FUNCTIONS + ID + L_PARENT + ID (COMMA ID)* + R_PARENT + RETURN + compounds

call_functions:  L_PARENT + compounds (COMMA compounds)* + R_PARENT 

print: PRINT + L_PARENT + compounds + R_PARENT

compounds : comp + ((AND | OR) comp)*

comp : expr + ((SAME | DIFFERENT | LESS | GREATER | LESS_EQUAL | GREATER_EQUAL | NOT ) expr)*

expr : term + ((PLUS | MINUS | AT ) term)*

term : exp + ((MUL | DIV | MOD) exp)*

exp: factor + ((POW) factor)*

factor :statement 
       | PLUS factor
       | MINUS factor
       | NUMBER
       | STRING
       | BOOLEAN
       | PI
       | ID
       | TRUE
       | FALSE
       | L_PARENT compounds R_PARENT


type_data : 
           NUMBER 
          | BOOL 
          | STRING

Operators

• [OK] PLUS (+)
• [OK] MINUS (-)
• [OK] MULT (*)
• [OK] MOD (%)
• [OK] FLOAT_DIV (/)
• [OK] ASSIGN (=)
• [OK] SAME (==)
• [OK] DIFFERENT (!=)
• [OK] LESS (<)
• [OK] GREATER (>)
• [OK] LESS_EQUAL (<=)
• [OK] GREATER_EQUAL (>=)
• [OK] NOT (!)
• [OK] AND (&)
• [OK] OR (|)

RESERVED KEYWORDS

• number
• string
• let
• in
• True
• False
• if
• print
• return
• else
• function

EXAMPLES OF CODE

    >let number = 42 in (let text = "The meaning of life is" in (print(text @ number))); 
    >let a = 42 in if (a % 2 == 0) print("Even") else print("odd");
    >function fib(a)=> if(a==1) return 1 else return (fib(a-1)*a);
    >print(23+print(21));