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[cc1516.git] / AST.icl

diff --git a/AST.icl b/AST.icl
index 6f2e5c6..305e8f3 100644 (file)
--- a/AST.icl
+++ b/AST.icl
@@ -36,7 +36,7 @@ printStatements [s:ss] i = (case s of
                [")":printCodeBlock dos i]
        (AssStmt vardef val) =
                indent i $ print vardef ++ ["=":print val] ++ [";\n"]
-       (FunStmt ident args) = indent i $ printFunCall ident args
+       (FunStmt ident args fs) = indent i $ printFunCall ident args fs ++ [";\n"]
        (ReturnStmt me) = indent i ["return ":maybe [""] print me] ++ [";\n"]
        ) ++ printStatements ss i
        where
@@ -51,6 +51,8 @@ printStatements [s:ss] i = (case s of
 
 instance print VarDecl where
        print (VarDecl _ t i e) = maybe ["var"] print t ++ [" ":i:"=":print e] ++ [";"]
+instance toString VarDecl where
+    toString v = concat (print v) 
 
 instance toString Type where
        toString t = concat $ print t
@@ -73,6 +75,8 @@ instance print FieldSelector where
        print FieldTl = print "tl"
        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:printersperse "" fs]
@@ -84,6 +88,10 @@ instance toString Op2 where
                BiLesserEq = "<="; BiGreaterEq = ">="; BiUnEqual = "!=";
                BiAnd = "&&"; BiOr = "||"; BiCons = ":"
 
+instance toString Op1 where
+    toString UnNegation = "!"
+    toString UnMinus = "-"
+
 instance print Expr where
        print (VarExpr _ vd) = print vd
        print (Op2Expr _ e1 o e2) = ["(":print e1] ++ 
@@ -98,18 +106,29 @@ instance print Expr where
                c = if (c == toChar 7) "\\a" (toString c)
                ,"\'"]
        print (BoolExpr _ b) = [toString b]
-       print (FunExpr _ id as fs) = printFunCall id as ++ printSelectors fs
+       print (FunExpr _ id as fs) = printFunCall id as fs
        print (EmptyListExpr _) = ["[]"]
        print (TupleExpr _ (e1, e2)) = ["(":print e1] ++ [",":print e2] ++ [")"]
+instance toString Expr where
+    toString e = concat $ print e
 
 printSelectors :: [FieldSelector] -> [String]
 printSelectors x = case x of [] = [""]; _ = [".":printersperse "." x]
 
-printFunCall :: String [Expr] -> [String]
-printFunCall s args = [s, "(":printersperse "," args] ++ [")"]
+printFunCall :: String [Expr] [FieldSelector] -> [String]
+printFunCall s args fs = [s, "(":printersperse "," args] ++ [")"] ++
+       printSelectors fs
 
 derive gEq Op2
 instance == Op2 where (==) o1 o2 = gEq{|*|} o1 o2
 
 instance zero Pos where
        zero = {line=0, col=0}
+
+derive gEq Op1
+instance == Op1 where (==) o1 o2 = gEq{|*|} o1 o2
+instance < Op2 where (<) o1 o2 = toString o1 < toString o2
+instance < Op1 where (<) o1 o2 = toString o1 < toString o2
+
+derive gEq Type
+instance == Type where (==) t1 t2 = gEq{|*|} t1 t2