grammar/grammar.txt

   1 <Prog>         ::= <VarDecl>* <FunDecl>+
   2
   3 <FunDecl>      ::= <id> '(' <Type>* ')' ['::' <FunType] '{' <VarDecl>* <Stmt>+ '}'
   4 <FunType>      ::= <VoidType> ['->' <FunType>]  //in semantische analyse checken dat Void indien
   5                                                 //aanwezig laatste type in de rij is
   6 <Stmt>         ::= 'if' '(' <Expr> ')' '{' <Stmt>* '}' ['else' '{' <Stmt>* '}']
   7                  | 'while' '(' <Expr> ')' '{' <Stmt>* '}'
   8                  | <id> <FieldSels> '=' <Expr> ';'
   9                  | <FunCall> ';'
  10                  | 'return' [<Expr>] ';'
  11
  12 <VarDecl>      ::= (<Type> | 'var') <id> '=' <Expr> ';'
  13 <Expr>         ::= <BinOrExpr> [':' <Expr>]
  14 <BinOrExpr>    ::= <BinAndExpr> ['||' <BinOrExpr>]
  15 <BinAndExpr>   ::= <CompareExpr> ['&&' <BinAndExpr>]
  16 <CompareExpr>  ::= <PlusMinExpr> [('==' | '<' | '>' | '<=' | '>=' | '!=') <CompareExpr>]
  17 <PlusMinExpr>  ::= <TimesDivExpr> (('+' | '-') <TimesDivExpr>)*
  18 <TimesDivExpr> ::= <BasicExpr> (['*' | '/' | '%'] <BasicExpr>)*
  19 <BasicExpr>    ::= <id> <FieldSels>
  20                  | <Op1> <Expr>
  21                  | <int>
  22                  | <char>
  23                  | 'False'
  24                  | 'True'
  25                  | '(' <Expr> ')'
  26                  | <FunCall>
  27                  | '[]' <Expr>
  28                  | '(' <Expr> ',' <Expr> ')'
  29
  30 <FieldSels>    ::= ('.' ('hd'|'tl'|'fst'|'snd))*
  31 <FunCall>      ::= <id> '(' [<ActArgs>] ')'
  32 <ActArgs>      ::= <Expr> [',' ActArgs]
  33
  34 <Type>         ::= 'Int'
  35                  | 'Bool'
  36                  | 'Char'
  37                  | '(' Type ',' Type ')'
  38                  | '[' Type ']'
  39                  | <id>
  40 <VoidType>     ::= 'Void' | Type