X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=AST.icl;h=b5f8ca026a3bec381f22b0c9c0648aaa62c67f35;hb=2473a12c050ab50a6fded6d4ea6df9b81ab8abf1;hp=fb4c4050cf75718a46d4e6e09c5aeefc6ee26a31;hpb=3ca56ec76529508b1e6a3c10c145b15312f571f7;p=cc1516.git diff --git a/AST.icl b/AST.icl index fb4c405..b5f8ca0 100644 --- a/AST.icl +++ b/AST.icl @@ -7,6 +7,9 @@ from Data.Func import $ from Text import class Text(concat), instance Text String from Data.Maybe import :: Maybe, maybe +instance toString Pos where + toString {line,col} = concat [toString line, ":", toString col, " "] + instance toString AST where toString (AST v f) = concat ( ["\n":printersperse "\n" v] ++ @@ -47,13 +50,12 @@ printStatements [s:ss] i = (case s of indent :: Int [String] -> [String] indent i rest = replicate i "\t" ++ rest -instance print FunType where - print (FunType at rt) = printersperse " " at ++ - [if (isEmpty at) "" "->":maybe ["Void"] print rt] - instance print VarDecl where print (VarDecl _ t i e) = print t ++ [" ":i:"=":print e] ++ [";"] +instance toString Type where + toString t = concat $ print t + instance print Type where print (TupleType (t1, t2)) = ["(":print t1] ++ [",":print t2] ++ [")"] print (ListType t) = ["[":print t] ++ ["]"] @@ -62,6 +64,8 @@ instance print Type where print BoolType = print "Bool" print CharType = print "Char" print VarType = print "var" + print VoidType = print "Void" + print (t1 ->> t2) = print t1 ++ [" -> ":print t2] instance print String where print s = [s] @@ -72,6 +76,9 @@ instance print FieldSelector where print FieldSnd = print "snd" print FieldFst = print "fst" +instance toString FieldSelector where + toString fs = concat $ print fs + instance print VarDef where print (VarDef i fs) = printersperse "." [i:flatten $ map print fs] @@ -82,7 +89,7 @@ instance print Expr where print (VarExpr _ vd) = print vd print (Op2Expr _ e1 o e2) = ["(":print e1] ++ [" ",case o of BiPlus = "+"; BiMinus = "-"; BiTimes = "*"; BiDivide = "/" - BiMod = "%"; BiEquals = "="; BiLesser = "<"; BiGreater = ">" + BiMod = "%"; BiEquals = "=="; BiLesser = "<"; BiGreater = ">" BiLesserEq = "<="; BiGreaterEq = ">="; BiUnEqual = "!="; BiAnd = "&&"; BiOr = "||"; BiCons = ":" ," ":print e2] ++ [")"]