add pretty string

src/parser.jl

@@ -19,7 +19,7 @@ function strng(c)
         : nothing)
 end
 
-function type(t)
+function typ(t)
     return Psr((x)-> length(x) >= 1 ?
         (x[1][2] == t ?
             ParserResult([x[1]], x[2:end])
@@ -58,8 +58,8 @@ function seq(parserLst)
             if tmp == nothing
                 return nothing
             else
-                s = tmp.remained)
-                push!(result, tmp.matched)
+                s = tmp.remained
+                push!(result, tmp.matched[1])
                 
             end
         end
@@ -102,8 +102,7 @@ matchEntirely = Regex(matchAll)
 print(matchEntirely)
 
 
-inp = "123 + 345 - 456 * a ^^^"
-
+inp = "123 + 345 - 456 * a"
 print("~~~\n")
 isEntirelyMatched = match(matchEntirely, inp)
 
@@ -113,6 +112,25 @@ if isEntirelyMatched == false
 end
 
 
+function prettyString(ele)
+    if isa(ele, String)
+        return "\"" * ele * "\""
+    elseif isa(ele, Tuple)
+        mappedEle = map(prettyString, ele)
+        mappedString = "(" * join(mappedEle, ", ") * ")"
+        return mappedString
+    elseif isa(ele, Array)
+        mappedEle = map(prettyString, ele)
+        mappedString = "[" * join(mappedEle, ", ") * "]"
+        return mappedString
+    elseif isa(ele, ParserResult)
+        res = "ParserResult(" * prettyString(ele.matched) * "," * prettyString(ele.remained) * ")"
+        return res
+    else #number
+        return string(ele)
+    end
+
+end
 
 mI = eachmatch(matchEachItem, inp)
 
@@ -133,8 +151,45 @@ withoutSpaces = filter((x)-> x[2] != "sp", zippedTokenList)
 initWrapped = ParserResult([], withoutSpaces)
 
 
-println(initWrapped >> strng("123") >> (strng("+")|strng("-")))
-println(initWrapped >> seq([strng("123"),  strng("+")]))
+test1 = initWrapped >> strng("123") >> (strng("+")|strng("-"))
+test2 = initWrapped >> seq([strng("123"),  strng("+")])
+
+println(prettyString(test1))
+println(prettyString(test2))
+
+"""
+term = int
+exp = (term (+|-) term) | term
+"""
+term = typ("int")
+
+function longExpAux(input)
+    rawFunc = seq([term,  (strng("+") | strng("-")), term])
+    rawRes = rawFunc.fun(input)
+    if rawRes != nothing
+        matched = [rawRes.matched[2], rawRes.matched[1], rawRes.matched[3]]
+        res = ParserResult(matched, rawRes.remained)
+        return res
+    else
+        return rawRes
+    end
+end
+    
+function expAux(input)
+    longExp = Psr(longExpAux)
+    rawFunc = longExp | term
+    res = rawFunc.fun(input)
+
+    return res
+
+end
+
+exp = Psr(expAux)
+
+
+
+test3 = initWrapped >> exp
+println(prettyString(test3))
 
 
 end