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parser: bind call tighter in its own production

This commit is contained in:
darkf 2013-11-08 02:01:34 -08:00
parent 0651f34dce
commit 502c711c96
1 changed files with 7 additions and 4 deletions
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11
Parser.hs
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@ -75,8 +75,7 @@ ifcond :: AST
= "if" expr "then" expr "else" expr { IfExpr $1 $2 $3 }
expr :: AST
= expr "(" args ")" { Call $1 $2 }
/ expr "::" expr { Cons $1 $2 }
= expr "::" expr { Cons $1 $2 }
/ expr "+" fact { Add $1 $2 }
/ expr "-" fact { Sub $1 $2 }
/ expr "==" fact { Equals $1 $2 }
@ -89,8 +88,12 @@ expr :: AST
/ fact
fact :: AST
= fact "*" term { Mul $1 $2 }
/ fact "/" term { Div $1 $2 }
= fact "*" call { Mul $1 $2 }
/ fact "/" call { Div $1 $2 }
/ call
call :: AST
= call "(" args ")" { Call $1 $2 }
/ access
access :: AST