made lex a module
authorMart Lubbers <mart@martlubbers.net>
Wed, 17 Feb 2016 14:22:30 +0000 (15:22 +0100)
committerMart Lubbers <mart@martlubbers.net>
Wed, 17 Feb 2016 14:22:30 +0000 (15:22 +0100)
Makefile
lex.dcl
lex.icl
main.icl [new file with mode: 0644]
main.prj [moved from lex.prj with 69% similarity]

index 56d9b95..f0036fa 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -4,4 +4,4 @@ all:
        $(CPM) make
 
 clean:
-       $(RM) -rv Clean\ System\ Files sapl lex
+       $(RM) -rv Clean\ System\ Files sapl main
diff --git a/lex.dcl b/lex.dcl
index d1daf7c..7e41bc3 100644 (file)
--- a/lex.dcl
+++ b/lex.dcl
@@ -53,6 +53,4 @@ import Data.Either
 
 :: LexerOutput :== Either String [Token]
 
-instance toString LexerOutput
-
 lexer :: [Char] -> LexerOutput
diff --git a/lex.icl b/lex.icl
index 2eeb600..0b6272c 100644 (file)
--- a/lex.icl
+++ b/lex.icl
@@ -1,29 +1,30 @@
 implementation module lex
 
-from Text import class Text, instance Text String
 import Control.Monad
 import Data.Either
-import Data.Functor
-import Data.List
+import Data.Maybe
+import Data.Map
 import StdString
 import StdBool
+import StdList
+import StdChar
 import StdFile
 import System.CommandLine
 import qualified Text
 
-Start :: *World -> *World
-Start w
-# (out, w) = stdio w
-# (toparse, out) = readEntireFile out
-# (_, w) = fclose (out <<< "\n" <<< toString (lexer toparse)) w
-= w
+SingleCharTokens :: Map Char Token
+SingleCharTokens = fromList [
+       ('(', BraceOpenToken), (')', BraceCloseToken), ('{', CBraceOpenToken),
+       ('}', CBraceCloseToken), ('[', SquareOpenToken), (']', SquareCloseToken),
+       (',', CommaToken), (':', ColonToken), (';', SColonToken),
+       ('.', DotToken), ('+', PlusToken), ('-', DashToken), ('*', StarToken),
+       ('/', SlashToken), ('%', PercentToken), ('=', AssignmentToken),
+       ('<', LesserToken), ('>', BiggerToken), ('!', ExclamationToken)]
 
-readEntireFile :: *File -> *([Char], *File)
-readEntireFile f
-# (b, c, f) = freadc f
-| not b = ([], f)
-# (cs, f) = readEntireFile f
-= ([c:cs], f)
+EscapeMap :: Map Char Char
+EscapeMap = fromList [
+       ('a', toChar 7), ('b', '\b'), ('f', '\f'), ('n', '\n'), ('r', '\r'),
+       ('t', '\t'), ('v', '\v')]
 
 lexer :: [Char] -> LexerOutput
 lexer [] = Right []
@@ -31,16 +32,12 @@ lexer x = case lex x of
        (Right t, rest) = lexer rest >>= \ts.Right [t:ts]
        (Left e, _) = Left e
 
-untilNext :: [Char] -> [Char]
-untilNext [] = []
-untilNext ['*':'/':rest] = rest
-untilNext [x:rest] = untilNext rest
-
 lex :: [Char] -> (Either String Token, [Char])
 lex [] = (Right EndOfFileToken, [])
 //Comments
-lex ['/':'/':rest] = lex (tl (dropWhile ((<>) '\n') rest))
-lex ['/':'*':rest] = lex (untilNext rest)
+lex ['/':'/':x:rest] = if (x == '\n') (lex rest) (lex ['/':'/':rest])
+lex ['/':'*':x1:x2:rest] = if (x1 == '*' && x2 == '/') 
+       (lex rest) (lex ['/':'*':rest])
 //Keyword tokens
 lex ['v':'a':'r':rest] = (Right VarToken, rest)
 lex ['V':'o':'i':'d':rest] = (Right VoidToken, rest)
@@ -63,96 +60,17 @@ lex ['&':'&':rest] = (Right AmpersandsToken, rest)
 lex ['|':'|':rest] = (Right PipesToken, rest)
 lex ['-':'>':rest] = (Right ArrowToken, rest)
 //One character tokens
-lex ['(':rest] = (Right BraceOpenToken, rest)
-lex [')':rest] = (Right BraceCloseToken, rest)
-lex ['{':rest] = (Right CBraceOpenToken, rest)
-lex ['}':rest] = (Right CBraceCloseToken, rest)
-lex ['[':rest] = (Right SquareOpenToken, rest)
-lex [']':rest] = (Right SquareCloseToken, rest)
-lex [',':rest] = (Right CommaToken, rest)
-lex [':':rest] = (Right ColonToken, rest)
-lex [';':rest] = (Right SColonToken, rest)
-lex ['.':rest] = (Right DotToken, rest)
-lex ['+':rest] = (Right PlusToken, rest)
-lex ['-':rest] = (Right DashToken, rest)
-lex ['*':rest] = (Right StarToken, rest)
-lex ['/':rest] = (Right SlashToken, rest)
-lex ['%':rest] = (Right PercentToken, rest)
-lex ['=':rest] = (Right AssignmentToken, rest)
-lex ['<':rest] = (Right LesserToken, rest)
-lex ['>':rest] = (Right BiggerToken, rest)
-lex ['!':rest] = (Right ExclamationToken, rest)
 //Value tokens
 lex ['\'':x:'\'':rest] = (Right (CharToken x), rest)
-lex ['\'':'\\':x:'\'':rest] = case x of
-       'a' = (Right (CharToken (toChar 7)), rest) //Alarm
-       'b' = (Right (CharToken '\b'), rest)       //Backspace
-       'f' = (Right (CharToken '\f'), rest)       //Formfeed
-       'n' = (Right (CharToken '\n'), rest)       //Newline
-       'r' = (Right (CharToken '\r'), rest)       //Carriage Return
-       't' = (Right (CharToken '\t'), rest)       //Horizontal tab
-       'v' = (Right (CharToken '\v'), rest)       //Vertical tab
+lex ['\'':'\\':x:'\'':rest] = case get x EscapeMap of
+       Just t = (Right (CharToken t), rest)
        _ = (Left ("Unknown escape: \\" +++ toString x), [])
-lex [x:xs]
-| isSpace x = lex xs
-| isDigit x = let (is, rest) = span isDigit xs in
-       (Right (NumberToken [x:is]), rest)
-| isAlpha x = let (is, rest) = span (\c.isAlphanum c || c == '_') xs in
-       (Right (IdentToken [x:is]), rest)
+lex [x:rest]
+# t = get x SingleCharTokens
+| isJust t = (Right (fromJust t), rest)
+| isSpace x = lex rest
+| isDigit x = let (is, rest`) = span isDigit rest in
+       (Right (NumberToken [x:is]), rest`)
+| isAlpha x = let (is, rest`) = span (\c.isAlphanum c || c == '_') rest in
+       (Right (IdentToken [x:is]), rest`)
 | otherwise = (Left ("Unexpected character: " +++ toString x), [])
-
-instance toString LexerOutput where
-       toString (Left l) = "Error: " +++ l
-       toString (Right x) = 'Text'.concat (print 0 x)
-
-tab :: Int -> [String]
-tab i = replicate i "\t"
-
-print :: Int [Token] -> [String]
-print _ [] = []
-print i [(IdentToken l):rest] = [toString l:print i rest]
-print i [(NumberToken j):rest] = [toString j:print i rest]
-print i [(CharToken c):rest] = ["'":toString c:"'":print i rest]
-print i [VarToken:rest] = ["var ":print i rest]
-print i [ReturnToken:rest] = ["return ":print i rest]
-print i [IfToken:rest] = ["if":print i rest]
-print i [ElseToken:rest] = ["else ":print i rest]
-print i [WhileToken:rest] = ["while":print i rest]
-print i [TrueToken:rest] = ["True":print i rest]
-print i [FalseToken:rest] = ["False":print i rest]
-print i [VoidToken:rest] = ["Void":print i rest]
-print i [IntTypeToken:rest] = ["Int":print i rest]
-print i [CharTypeToken:rest] = ["Char":print i rest]
-print i [BoolTypeToken:rest] = ["Bool":print i rest]
-print i [DoubleColonToken:rest] = [" :: ":print i rest]
-print i [NotEqualToken:rest] = [" != ":print i rest]
-print i [LesserEqToken:rest] = [" <= ":print i rest]
-print i [GreaterEqToken:rest] = [" >= ":print i rest]
-print i [EqualsToken:rest] = [" == ":print i rest]
-print i [AmpersandsToken:rest] = [" && ":print i rest]
-print i [PipesToken:rest] = [" || ":print i rest]
-print i [ArrowToken:rest] = [" -> ":print i rest]
-print i [BraceOpenToken:rest] = ["(":print i rest]
-print i [BraceCloseToken:rest] = [")":print i rest]
-print i [CBraceOpenToken:rest] = ["{\n":tab (i+1)] ++ print (i+1) rest
-print i [CBraceCloseToken:rest] = case rest of
-       [CBraceCloseToken:_] =  ["}\n":tab (i-2)] ++ print (i-1) rest
-       _ = ["}\n":tab (i-1)] ++ print (i-1) rest
-print i [SquareOpenToken:rest] = ["[":print i rest]
-print i [SquareCloseToken:rest] = ["]":print i rest]
-print i [CommaToken:rest] = [", ":print i rest]
-print i [ColonToken:rest] = [":":print i rest]
-print i [SColonToken:rest] = case rest of
-       [CBraceCloseToken:_] = [";\n":tab (i-1)] ++ print i rest
-       _ = [";\n":tab i] ++ print i rest
-print i [DotToken:rest] = [".":print i rest]
-print i [PlusToken:rest] = [" + ":print i rest]
-print i [DashToken:rest] = [" - ":print i rest]
-print i [StarToken:rest] = [" * ":print i rest]
-print i [SlashToken:rest] = [" / ":print i rest]
-print i [PercentToken:rest] = [" % ":print i rest]
-print i [AssignmentToken:rest] = [" = ":print i rest]
-print i [LesserToken:rest] = [" < ":print i rest]
-print i [BiggerToken:rest] = [" > ":print i rest]
-print i [ExclamationToken:rest] = ["!":print i rest]
-print i [EndOfFileToken:rest] = ["\n":print i rest]
diff --git a/main.icl b/main.icl
new file mode 100644 (file)
index 0000000..90624e8
--- /dev/null
+++ b/main.icl
@@ -0,0 +1,20 @@
+module main
+
+import StdFile
+import StdBool
+
+import lex
+
+Start :: *World -> (LexerOutput, *World)
+Start w
+# (out, w) = stdio w
+# (toparse, out) = readEntireFile out
+# (_, w) = fclose out w
+= (lexer toparse, w)
+
+readEntireFile :: *File -> *([Char], *File)
+readEntireFile f
+# (b, c, f) = freadc f
+| not b = ([], f)
+# (cs, f) = readEntireFile f
+= ([c:cs], f)
similarity index 69%
rename from lex.prj
rename to main.prj
index 199a01e..5ed68bd 100644 (file)
--- a/lex.prj
+++ b/main.prj
@@ -2,7 +2,7 @@ Version: 1.4
 Global
        ProjectRoot:    .
        Target: iTasks
-       Exec:   {Project}/lex
+       Exec:   {Project}/main
        CodeGen
                CheckStacks:    False
                CheckIndexes:   True
@@ -31,6 +31,7 @@ Global
        Link
                LinkMethod:     Static
                GenerateRelocations:    False
+               GenerateSymbolTable:    False
                GenerateLinkMap:        False
                LinkResources:  False
                ResourceSource: 
@@ -41,7 +42,7 @@ Global
        Precompile:     
        Postlink:       
 MainModule
-       Name:   lex
+       Name:   main
        Dir:    {Project}
        Compiler
                NeverMemoryProfile:     False
@@ -55,6 +56,20 @@ MainModule
                ReuseUniqueNodes:       True
                Fusion: False
 OtherModules
+       Module
+               Name:   lex
+               Dir:    {Project}
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
        Module
                Name:   StdArray
                Dir:    {Application}/lib/StdEnv
@@ -251,6 +266,20 @@ OtherModules
                        ReadableABC:    False
                        ReuseUniqueNodes:       True
                        Fusion: False
+       Module
+               Name:   StdOverloadedList
+               Dir:    {Application}/lib/StdEnv
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
        Module
                Name:   StdReal
                Dir:    {Application}/lib/StdEnv
@@ -265,6 +294,20 @@ OtherModules
                        ReadableABC:    False
                        ReuseUniqueNodes:       True
                        Fusion: False
+       Module
+               Name:   StdStrictLists
+               Dir:    {Application}/lib/StdEnv
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
        Module
                Name:   StdString
                Dir:    {Application}/lib/StdEnv
@@ -321,9 +364,37 @@ OtherModules
                        ReadableABC:    False
                        ReuseUniqueNodes:       True
                        Fusion: False
+       Module
+               Name:   _SystemEnumStrict
+               Dir:    {Application}/lib/StdEnv
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   _SystemStrictLists
+               Dir:    {Application}/lib/StdEnv
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
        Module
                Name:   Control.Applicative
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -337,7 +408,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   Control.Monad
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -351,7 +422,21 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.Either
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   Data.Foldable
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -365,7 +450,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.Func
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -379,7 +464,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.Functor
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -393,7 +478,21 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.List
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   Data.Map
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -407,7 +506,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.Maybe
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -421,7 +520,35 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.Monoid
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   Data.Set
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   Data.Traversable
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -435,7 +562,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   Data.Void
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -449,7 +576,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   System.CommandLine
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -463,7 +590,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   System.IO
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -477,7 +604,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   System._Pointer
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -491,7 +618,35 @@ OtherModules
                        Fusion: False
        Module
                Name:   Text
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   Text.JSON
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
+               Compiler
+                       NeverMemoryProfile:     False
+                       NeverTimeProfile:       False
+                       StrictnessAnalysis:     True
+                       ListTypes:      StrictExportTypes
+                       ListAttributes: True
+                       Warnings:       True
+                       Verbose:        True
+                       ReadableABC:    False
+                       ReuseUniqueNodes:       True
+                       Fusion: False
+       Module
+               Name:   Text.PPrint
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Independent
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False
@@ -505,7 +660,7 @@ OtherModules
                        Fusion: False
        Module
                Name:   System.OS
-               Dir:    {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Linux-64
+               Dir:    {Application}/lib/iTasks-SDK/Dependencies/clean-platform/src/libraries/OS-Linux-64
                Compiler
                        NeverMemoryProfile:     False
                        NeverTimeProfile:       False