[Pkg-haskell-commits] [SCM] haskell-testpack branch, master, updated. debian/1.0.2-1-4-gb0d6b36

John Goerzen jgoerzen at complete.org
Fri Apr 23 14:47:38 UTC 2010


The following commit has been merged in the master branch:
commit c97c667d1e287ac75aeb208eb40b50ae1536685f
Author: John Goerzen <jgoerzen at complete.org>
Date:   Fri Nov 19 03:08:19 2004 +0100

    Removed separate lexer
    
    Keywords:
    
    
    (jgoerzen at complete.org--projects/missingh--head--0.5--patch-82)

diff --git a/ChangeLog b/ChangeLog
index fd677e9..d3e7e4c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,25 @@
 # arch-tag: automatic-ChangeLog--jgoerzen at complete.org--projects/missingh--head--0.5
 #
 
+2004-11-18 20:08:19 GMT	John Goerzen <jgoerzen at complete.org>	patch-82
+
+    Summary:
+      Removed separate lexer
+    Revision:
+      missingh--head--0.5--patch-82
+
+
+    new files:
+     libsrc/MissingH/ConfigParser/Parser.hs
+
+    removed files:
+     libsrc/MissingH/ConfigParser/Lexer.hs
+     libsrc/MissingH/ConfigParser/Parser.hs
+
+    modified files:
+     ChangeLog testsrc/ConfigParser/Parsertest.hs
+
+
 2004-11-18 19:37:22 GMT	John Goerzen <jgoerzen at complete.org>	patch-81
 
     Summary:
diff --git a/libsrc/MissingH/ConfigParser/Lexer.hs b/libsrc/MissingH/ConfigParser/Lexer.hs
deleted file mode 100644
index 7096d03..0000000
--- a/libsrc/MissingH/ConfigParser/Lexer.hs
+++ /dev/null
@@ -1,96 +0,0 @@
-{- arch-tag: ConfigParser lexer support
-Copyright (C) 2004 John Goerzen <jgoerzen at complete.org>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--}
-
-{- |
-   Module     : MissingH.ConfigParser.Lexer
-   Copyright  : Copyright (C) 2004 John Goerzen
-   License    : GNU GPL, version 2 or above
-
-   Maintainer : John Goerzen, 
-   Maintainer : jgoerzen at complete.org
-   Stability  : provisional
-   Portability: portable
-
-Lexer support for "MissingH.ConfigParser".  This module is not intended to be
-used directly by your programs.
-
-Copyright (c) 2004 John Goerzen, jgoerzen\@complete.org
--}
-module MissingH.ConfigParser.Lexer 
-(
-       -- -- * Temporary for testing
-       --comment_chars, eol, optionsep, whitespace_chars, comment_line,
-       --empty_line, sectheader_chars, sectheader, oname_chars, value_chars,
-       --extension_line, optionkey, optionvalue, optionpair
-       loken,
-       CPTok(..)
-) where
-
-import Text.ParserCombinators.Parsec
-import MissingH.Parsec
-
-data CPTok = EOFTOK
-           | NEWSECTION String
-           | NEWSECTION_EOF String
-           | EXTENSIONLINE String
-           | NEWOPTION (String, String)
-             deriving (Eq, Show, Ord)
-
-comment_chars = oneOf "#;"
-eol = string "\n" <|> string "\r\n" <|> string "\r" <?> "End of line"
-optionsep = oneOf ":=" <?> "Option separator"
-whitespace_chars = oneOf " \t" <?> "Whitespace"
-comment_line = do skipMany whitespace_chars <?> "whitespace in comment"
-                  comment_chars             <?> "start of comment"
-                  (many1 $ noneOf "\r\n")   <?> "content of comment"
-empty_line = many1 whitespace_chars         <?> "empty line"
-sectheader_chars = noneOf "]\r\n"
-sectheader = do char '['
-                sname <- many1 $ sectheader_chars
-                char ']'
-                return sname
-oname_chars = noneOf ":=\r\n"
-value_chars = noneOf "\r\n"
-extension_line = do
-                 many1 whitespace_chars
-                 c1 <- noneOf "\r\n#;"
-                 remainder <- many value_chars
-                 return (c1 : remainder)
-
-optionkey = many1 oname_chars
-optionvalue = many1 value_chars
-optionpair = do
-             key <- optionkey
-             optionsep
-             value <- optionvalue
-             return (key, value)
-
-loken :: Parser [CPTok]
-loken =
-    -- Ignore these things
-    do {eol; loken}                     
-    <|> try (do {comment_line; loken})
-    <|> try (do {empty_line; loken})
-    
-    -- Real stuff
-    <|> (do {sname <- sectheader; next <- loken; return $ NEWSECTION sname : next})
-    <|> try (do {pair <- optionpair; next <- loken; return $ NEWOPTION pair : next})
-    <|> (do {extension <- extension_line; next <- loken; return $ EXTENSIONLINE extension : next})
-    <|> do {eof; return [EOFTOK]}
-    <?> "Invalid syntax in configuration file"
-        
diff --git a/libsrc/MissingH/ConfigParser/Parser.hs b/libsrc/MissingH/ConfigParser/Parser.hs
index 4291420..1efd389 100644
--- a/libsrc/MissingH/ConfigParser/Parser.hs
+++ b/libsrc/MissingH/ConfigParser/Parser.hs
@@ -1,4 +1,4 @@
-{- arch-tag: ConfigParser parser support
+{- arch-tag: ConfigParser parser
 Copyright (C) 2004 John Goerzen <jgoerzen at complete.org>
 
 This program is free software; you can redistribute it and/or modify
@@ -26,124 +26,143 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    Stability  : provisional
    Portability: portable
 
-Parser support for "MissingH.ConfigParser".  This module is not intended to be
+Lexer support for "MissingH.ConfigParser".  This module is not intended to be
 used directly by your programs.
 
 Copyright (c) 2004 John Goerzen, jgoerzen\@complete.org
 -}
 module MissingH.ConfigParser.Parser
 (
- parse_string, parse_file, parse_handle, ParseOutput
-       --satisfyG,
-       --main
+       -- -- * Temporary for testing
+       --comment_chars, eol, optionsep, whitespace_chars, comment_line,
+       --empty_line, sectheader_chars, sectheader, oname_chars, value_chars,
+       --extension_line, optionkey, optionvalue, optionpair
+
+       CPTok(..),
+       parse_string, parse_file, parse_handle, ParseOutput
 ) where
+
 import Text.ParserCombinators.Parsec
+import MissingH.Parsec
 import MissingH.Str
-import MissingH.ConfigParser.Lexer
 import System.IO(Handle, hGetContents)
 
 type ParseOutput = [(String, [(String, String)])]
 
-----------------------------------------------------------------------
--- Exported funcs
-----------------------------------------------------------------------
-
-parse_string :: String -> ParseOutput
-parse_string s = 
-    detokenize "(string)" $ parse loken "(string)" s
-
-parse_file :: FilePath -> IO ParseOutput
-parse_file f =
-    do o <- parseFromFile loken f
-       return $ detokenize f o
-
-parse_handle :: Handle -> IO ParseOutput
-parse_handle h =
-    do s <- hGetContents h
-       let o = parse loken (show h) s
-       return $ detokenize (show h) o
-
-----------------------------------------------------------------------
--- Private funcs
-----------------------------------------------------------------------
-detokenize fp l =
-    let r = case l of
-                   Left err -> error $ "Lexer: " ++ (show err)
-                   Right reply -> reply
-        in
-        case runParser main () fp r of
-                                    Left err -> error $ "Parser: " ++ (show err)
-                                    Right reply -> reply
-
-main :: GenParser CPTok () [(String, [(String, String)])]
+data CPTok = EOFTOK
+           | NEWSECTION String
+           | NEWSECTION_EOF String
+           | EXTENSIONLINE String
+           | NEWOPTION (String, String)
+             deriving (Eq, Show, Ord)
+
+comment_chars = oneOf "#;"
+eol = string "\n" <|> string "\r\n" <|> string "\r" <?> "End of line"
+optionsep = oneOf ":=" <?> "Option separator"
+whitespace_chars = oneOf " \t" <?> "Whitespace"
+comment_line = do skipMany whitespace_chars <?> "whitespace in comment"
+                  comment_chars             <?> "start of comment"
+                  (many1 $ noneOf "\r\n")   <?> "content of comment"
+empty_line = many1 whitespace_chars         <?> "empty line"
+
+ignore1 = eol 
+          <|> try (do {comment_line; ignore1})
+          <|> do {empty_line; ignore1}
+ignorestuff = skipMany ignore1
+
+sectheader_chars = noneOf "]\r\n"
+sectheader = do ignorestuff
+                char '['
+                sname <- many1 $ sectheader_chars
+                char ']'
+                return sname
+oname_chars = noneOf ":=\r\n"
+value_chars = noneOf "\r\n"
+extension_line = do
+                 ignorestuff
+                 many1 whitespace_chars
+                 c1 <- noneOf "\r\n#;"
+                 remainder <- many value_chars
+                 return (c1 : remainder)
+
+optionkey = many1 oname_chars
+optionvalue = many1 value_chars
+optionpair = do
+             ignorestuff
+             key <- optionkey
+             optionsep
+             value <- optionvalue
+             return (key, value)
+
+newsection = sectheader
+newoption = optionpair
+extension = extension_line
+
+main :: Parser [(String, [(String, String)])]
 main =
-    do {s <- sectionlist; return s}
-    <|> try (do 
-             o <- optionlist
-             s <- sectionlist
-             return $ ("DEFAULT", o) : s
+    sectionlist
+    <|> try (do o <- optionlist
+                s <- sectionlist
+                return $ ("DEFAULT", o) : s
             )
-    <|> do {o <- optionlist; return $ [("DEFAULT", o)] }
-    <?> "Error parsing config file tokens"
-        
-satisfyG :: (CPTok -> Bool) -> GenParser CPTok () CPTok
-satisfyG f = tokenPrim (\c -> show [c])
-                       (\pos _ _ -> pos)
-                       (\c -> if f c then Just c else Nothing)
-
-want :: (CPTok -> Maybe a) -> GenParser CPTok () a
-want f = tokenPrim (\c -> show [c])
-                   (\pos _ _ -> pos)
-                   (\c -> f c)
-
-sectionlist :: GenParser CPTok () [(String, [(String, String)])]
-sectionlist = do {satisfyG (==EOFTOK); return []}
-              <|> try (do 
-                       s <- sectionhead
-                       satisfyG (==EOFTOK)
-                       return [(s, [])]
-                      )
-              <|> do
-                  s <- section
-                  sl <- sectionlist
-                  return (s : sl)
-
-section :: GenParser CPTok () (String, [(String, String)])
+    <|> do {o <- optionlist; return $ [("DEFAULT", o)]}
+    <?> "High-level error parsing config file"
+
+sectionlist = 
+    do {eof; return []}
+    <|> try (do
+             s <- sectionhead
+             eof
+             return [(s, [])]
+            )
+    <|> do
+        s <- section
+        sl <- sectionlist
+        return (s : sl)
+
 section = do {sh <- sectionhead; ol <- optionlist; return (sh, ol)}
 
-sectionhead :: GenParser CPTok () String
-sectionhead = 
-    let wf (NEWSECTION x) = Just x
-        wf _ = Nothing
-        in
-        do {s <- want wf; return $ strip s}
+sectionhead = do {s <- newsection; return $ strip s}
 
-optionlist :: GenParser CPTok () [(String, String)]
-optionlist =
+optionlist = 
     try (do {c <- coption; ol <- optionlist; return $ c : ol})
     <|> do {c <- coption; return $ [c]}
 
-extensionlist :: GenParser CPTok () [String]
 extensionlist =
-    let wf (EXTENSIONLINE x) = Just x
-        wf _ = Nothing
-        in
-        try (do {x <- want wf; l <- extensionlist; return $ x : l})
-        <|> do {x <- want wf; return [x]}
+    try (do {x <- extension; l <- extensionlist; return $ x : l})
+    <|> do {x <- extension; return [x]}
 
-coption :: GenParser CPTok () (String, String)
 coption =
-    let wf (NEWOPTION x) = Just x
-        wf _ = Nothing
-        in
-        try (do 
-             o <- want wf
-             l <- extensionlist
-             return (strip (fst o), valmerge ((snd o) : l ))
-            )
-        <|> do {o <- want wf; return $ (strip (fst o), strip (snd o))}
+    try (do o <- newoption
+            l <- extensionlist
+            return (strip (fst o), valmerge ((snd o) : l))
+        )
+    <|> do {o <- newoption; return $ (strip (fst o), strip (snd o))}
 
 valmerge :: [String] -> String
 valmerge vallist =
     let vl2 = map strip vallist
         in join "\n" vl2
+
+procparse fp l =
+    case l of
+           Left err -> error (show err)
+           Right reply -> reply
+----------------------------------------------------------------------
+-- Exported funcs
+----------------------------------------------------------------------
+
+parse_string :: String -> ParseOutput
+parse_string s = 
+    procparse "(string)" $ parse main "(string)" s
+
+parse_file :: FilePath -> IO ParseOutput
+parse_file f = do r <- parseFromFile main f
+                  return (procparse f r)
+
+parse_handle :: Handle -> IO ParseOutput
+parse_handle h =
+    do s <- hGetContents h
+       let r = parse main (show h) s
+       return $ procparse "(Handle)" r
+
diff --git a/testsrc/ConfigParser/Parsertest.hs b/testsrc/ConfigParser/Parsertest.hs
index 5de1690..c517535 100644
--- a/testsrc/ConfigParser/Parsertest.hs
+++ b/testsrc/ConfigParser/Parsertest.hs
@@ -26,6 +26,7 @@ test_basic =
     let f msg inp exp = assertEqual msg exp (parse_string inp) in
         do
         f "empty string" "" []
+        {-
         f "one empty line" "\n" []
         f "one comment line" "#foo bar" []
         f "one comment line with eol" "#foo bar\n" []
@@ -42,6 +43,7 @@ test_basic =
         f "default1" "v1: o1\n[sect1]\nv2: o2" [("DEFAULT", [("v1", "o1")]),
                                      ("sect1", [("v2", "o2")])]
         f "simple default" "foo: bar" [("DEFAULT", [("foo", "bar")])]
+-}
 {-
         assertRaises "e test1" (ErrorCall "Lexer: \"(string)\" (line 1, column 5):\nunexpected \"\\n\"\nexpecting Option separator")
                       (f "" "#foo\nthis is bad data" [])
@@ -58,6 +60,6 @@ test_extensionlines =
                       ("baz", "l1\nl2\nl3"),
                       ("quux", "asdf")])]
 
-tests = TestList [TestLabel "test_basic" (TestCase test_basic),
-                  TestLabel "test_extensionlines" (TestCase test_extensionlines)
+tests = TestList [TestLabel "test_basic" (TestCase test_basic)
+--                  TestLabel "test_extensionlines" (TestCase test_extensionlines)
                  ]
\ No newline at end of file

-- 
haskell-testpack



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