initial commit

Project.toml

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+name = "TComp"
+uuid = "b858fc1c-1812-4b3c-a2e6-a1a64b2d44f1"
+authors = ["Tan Kian-ting <chenjt30@gmail.com>"]
+version = "0.1.0"

src/TComp.jl

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+module TComp
+include("./parser.jl")
+using .Parser
+
+greet() = print("Hello World!")
+
+end # module

src/parser.jl

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+module Parser
+
+patternList = [("int", "\\d+"),
+               ("id", "[_a-zA-Z][_0-9a-zA-Z]*"),
+               ("l_paren", "[\\(]"),
+               ("r_paren", "[\\)]"),
+               ("plus", "[+]"),
+               ("minus", "[\\-]"),
+               ("mul", "[\\*]"),
+               ("div", "[\\\\]"),
+               ("sp", "\\s+"),
+               ("comma", "[,]"),
+               ("amp", "[&]"),
+               ("assign", "[=]"),
+               ("lambda", "[=][>]"),
+               ]
+
+function combineUnit(tup)
+    retString = "(?P<" * tup[1] * ">" * tup[2] * ")"
+    #retStringRegex = Regex(retString)
+    return retString
+end
+
+tmp = join(map(combineUnit, patternList), "|")
+matchEachItem = Regex(tmp)
+
+matchAll = "^(" * tmp * ")+\$"
+matchEntirely = Regex(matchAll)
+
+print(matchEntirely)
+
+
+inp = "123 + 345 - 456 * a ^^^"
+
+print("~~~\n")
+isEntirelyMatched = match(matchEntirely, inp)
+
+if isEntirelyMatched == false
+    print("illegal tokens contained.")
+
+end
+
+
+
+mI = eachmatch(matchEachItem, inp)
+
+function processKeys(x)
+    keys_ = keys(x)
+    return filter((i) -> x[i] != nothing, keys_)[1]
+end
+
+matchedList = map((x)->x.match, collect(mI))
+
+groupNameList = map(processKeys, collect(mI))
+
+list1 = [1, 2, 3]
+list2 = ["a", "b", "c"]
+
+zippedTokenList = collect(zip(matchedList, groupNameList))
+
+print(zippedTokenList)
+
+end
+