Renamed nlTok.tokType to nlTok.tType

noether.nimble

@@ -9,6 +9,5 @@ installExt    = @["nim"]
 bin           = @["noether", "nlx"]
 backend       = "c"
 
-
 # Dependencies
 requires "nim >= 2.2.0"

src/nlx.nim

@@ -1,5 +1,5 @@
 import os
-import noether/lex
+import noether/lexer/tokstream
 
 when isMainModule:
   echo "Noether Lang Extras v0.1.0 - nlx"

src/noether/lexer/lstream.nim

@@ -1,7 +1,7 @@
 import std/streams
 import std/options
 
-include tokens
+include tok
 
 type
   # Character streaming for the nlTokStream

src/noether/lexer/tok.nim

@@ -23,9 +23,10 @@ type
     SQUO, # ' Single Quotation Marking
     DQUO, # " Double Quotation Marking
     GRVA, # ` Grave Accent
+    HASH, # # Number Sign (Hashtag)
         
   nlTok = object
-    tokType*: nlTokType
+    tType*: nlTokType
     lit*: string
     line*: Natural
     startPos*: Natural
@@ -33,23 +34,23 @@ type
 
 # Generates an "empty" nlTok with only a startPos,
 # all other fields are expected to be filled out later.
-# NOTE: tokType initialised to nlTokType.NUL
+# NOTE: tType initialised to nlTokType.NUL
 # NOTE: lit initialised to empty string
 # NOTE: all other fields are uninitialised
 proc emptyTok(startPos: int): nlTok =
   result = nlTok(
-    tokType: nlTokType.NONE,
+    tType: nlTokType.NONE,
     lit: "",
     startPos: Natural startPos,
   )
 
 # Checks if an nlTok has nlTokType.NONE
-proc isTokUntyped(tokType: nlTokType): bool =
+proc isTokUntyped(tType: nlTokType): bool =
-  result = (tokType == nlTokType.NONE)
+  result = (tType == nlTokType.NONE)
 
 # Checks if an nlTok has nlTokType.TERM
-proc isTokTerm(tokType: nlTokType): bool =
+proc isTokTerm(tType: nlTokType): bool =
-  result = (tokType == nlTokType.TERM)
+  result = (tType == nlTokType.TERM)
 
 # This method is only used to convert null
 # terminator nlToks into line-feed ones.
@@ -58,7 +59,7 @@ proc isTokTerm(tokType: nlTokType): bool =
 # NOTE: strings in a useful but annoying way
 proc tokTermToLineFeed(tok: nlTok): nlTok =
   result = nlTok(
-    tokType: nlTokType.LNFD,
+    tType: nlTokType.LNFD,
     lit: tok.lit,
     line: tok.line,
     startPos: tok.startPos,
@@ -92,5 +93,7 @@ proc getTokType(c: char): nlTokType =
     result = nlTokType.DQUO
   of '`':
     result = nlTokType.GRVA
+  of '#':
+    result = nlTokType.HASH
   else:
     result = nlTokType.WORD

src/noether/lexer/tokstream.nim

@@ -1,7 +1,5 @@
 include lstream
 
-import os # TEMP import
-
 type
   # Provides a stream-like interface for lexing nlToks
   # Internally reliant on the functionality of nlLStream
@@ -10,7 +8,7 @@ type
     build: nlTok # the current token we're building
 
 # Resets the build token to an "empty" nlTok where
-# only tokType, lit, and startPos are initialised.
+# only tType, lit, and startPos are initialised.
 proc resetBuild(tokStream: var nlTokStream) =
   tokStream.build = emptyTok(tokStream.lstream.pos)
 
@@ -20,7 +18,7 @@ proc resetBuild(tokStream: var nlTokStream) =
 proc finishBuild(tokStream: var nlTokStream) =
   # if we've reached \0 terminator then forge the start
   # and end positions to point OUTSIDE the line
-  let endPos = if isTokTerm(tokStream.build.tokType): 
+  let endPos = if isTokTerm(tokStream.build.tType): 
                    inc tokStream.build.startPos; 
                    tokStream.build.startPos 
                else: Natural tokStream.lstream.pos 
@@ -38,30 +36,30 @@ proc flushBuild(tokStream: var nlTokStream): nlTok =
 # This indicates that the build token should inherit
 # the nlTokType of the nlLStream's next character.
 proc isUntypedBuild(tokStream: nlTokStream): bool =
-  result = isTokUntyped(tokStream.build.tokType)
+  result = isTokUntyped(tokStream.build.tType)
 
 # Check whether an nlTokType is "compatible" with
 # the build token. flushBuild() should be called
 # when an incompatible token is discovered.
-proc isCompatibleBuild(tokStream: nlTokStream, tokType: nlTokType): bool =
+proc isCompatibleBuild(tokStream: nlTokStream, tType: nlTokType): bool =
-  result = (tokType == tokStream.build.tokType)
+  result = (tType == tokStream.build.tType)
 
 # Add a character to the nlTokStream's build token.
 # Returns a bool indicating if a new nlTok has been built
 # or not. flushBuild should then be called.
 proc appendBuild(tokStream: var nlTokStream, c: char): Option[nlTok] =
-  let tokType = getTokType(c)
+  let tType = getTokType(c)
   # check whether build token should inherit type
   if isUntypedBuild(tokStream):
-    tokStream.build.tokType = tokType
+    tokStream.build.tType = tType
   # check character and build token compatability
-  elif not isCompatibleBuild(tokStream, tokType):
+  elif not isCompatibleBuild(tokStream, tType):
       # return flushed build token, and reset 
       result = some(flushBuild(tokStream))
       # new build token is untyped so inherit type
-      tokStream.build.tokType = tokType
+      tokStream.build.tType = tType
   # check if \0 terminator reached
-  elif isTokTerm(tokStream.build.tokType):
+  elif isTokTerm(tokStream.build.tType):
       # return immediately to avoid concatinating '\0'
       return some(flushBuild(tokStream))
   # else return none to indicate no build was completed
@@ -71,7 +69,7 @@ proc appendBuild(tokStream: var nlTokStream, c: char): Option[nlTok] =
   tokStream.build.lit.add(c)
 
 # Generates and returns the next token in the stream,
-# result.tokType == nlTokType.NTERM implies line ended
+# result.tType == nlTokType.NTERM implies line ended
 proc nextTok(tokStream: var nlTokStream): nlTok =
   # try progress to next char, receives none option on failure
   for optchar in iterChars(tokStream.lstream):
@@ -98,7 +96,7 @@ iterator toks*(tokStream: var nlTokStream): nlTok =
       tok = nextTok(tokStream)
       # \0 terminator means the line ended OR the file
       # has ended, so always yield a line-feed just in case
-      if isTokTerm(tok.tokType):
+      if isTokTerm(tok.tType):
         yield tokTermToLineFeed(tok)
         break
       yield tok

src/noether/parser/arborist.nim

@@ -0,0 +1,7 @@
+# Attempt to form an nlAST from a nlTokStream
+proc arborise(tokStream: nlTokStream): nlNode = 
+  for tok in toks(tokStream):
+    case tok.tokType:
+    of nlTokType.DQUO:
+      # Attempt to parse string literal
+      parse_strl()

src/noether/parser/nodes.nim

@@ -0,0 +1,18 @@
+from ../lexer/tok import nlTok
+from ../lexer/tokstraem import 
+
+type
+  # NOTE: by the end of parsing NO nodes should
+  # NOTE: have nlNodeType.NONE
+  nlNodeType = enum
+    NONE, # Placeholder Value
+    TERM, # Indicates the tree has terminated
+    STRL, # String Literal
+    CHRL, # Character Literal
+  nlNode {.acyclic.} = ref object of RootObj
+    nType: nlNodeType
+    toks: seq[nlTok] # nodes store the tokens that build them
+    left, right: nlNode
+
+proc parse()
+