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>Text.ParserCombinators.Parsec.Prim</TITLE
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>parsec-2.1.0.1: Monadic parser combinators</TD
><TD CLASS="topbut"
><A HREF="index.html"
>Contents</A
></TD
><TD CLASS="topbut"
><A HREF="doc-index.html"
>Index</A
></TD
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>Text.ParserCombinators.Parsec.Prim</FONT
></TD
><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>portable</TD
></TR
><TR
><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>provisional</TD
></TR
><TR
><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>daan@cs.uu.nl</TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
>The primitive parser combinators.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="#v%3A%3C%3F%3E"
>(&lt;?&gt;)</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3A%3C%7C%3E"
>(&lt;|&gt;)</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>type</SPAN
> <A HREF="#t%3AParser"
>Parser</A
> a = <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3AChar"
>Char</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3ArunParser"
>runParser</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; st -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourceName"
>SourceName</A
> -&gt; [tok] -&gt; <A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-ParserCombinators-Parsec-Error.html#t%3AParseError"
>ParseError</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aparse"
>parse</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> a -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourceName"
>SourceName</A
> -&gt; [tok] -&gt; <A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-ParserCombinators-Parsec-Error.html#t%3AParseError"
>ParseError</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AparseFromFile"
>parseFromFile</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AParser"
>Parser</A
> a -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourceName"
>SourceName</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-ParserCombinators-Parsec-Error.html#t%3AParseError"
>ParseError</A
> a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AparseTest"
>parseTest</A
> :: <A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> a =&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> a -&gt; [tok] -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Atoken"
>token</A
> ::  (tok -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (tok -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; (tok -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> a) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Atokens"
>tokens</A
> :: <A HREF="../base/Data-Eq.html#t%3AEq"
>Eq</A
> tok =&gt; ([tok] -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st [tok]</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtokenPrim"
>tokenPrim</A
> ::  (tok -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; tok -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; (tok -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> a) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtokenPrimEx"
>tokenPrimEx</A
> ::  (tok -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; tok -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; tok -&gt; [tok] -&gt; st -&gt; st) -&gt; (tok -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> a) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Atry"
>try</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Alabel"
>label</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Alabels"
>labels</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aunexpected"
>unexpected</A
> ::  <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Apzero"
>pzero</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Amany"
>many</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st [a]</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AskipMany"
>skipMany</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AgetState"
>getState</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st st</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsetState"
>setState</A
> ::  st -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AupdateState"
>updateState</A
> ::  (st -&gt; st) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AgetPosition"
>getPosition</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsetPosition"
>setPosition</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AgetInput"
>getInput</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st [tok]</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsetInput"
>setInput</A
> ::  [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AState"
>State</A
> tok st = <A HREF="#v%3AState"
>State</A
> {<TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="recfield"
><A HREF="#v%3AstateInput"
>stateInput</A
> :: [tok]</TD
></TR
><TR
><TD CLASS="recfield"
><A HREF="#v%3AstatePos"
>statePos</A
> :: !<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
></TD
></TR
><TR
><TD CLASS="recfield"
><A HREF="#v%3AstateUser"
>stateUser</A
> :: !st</TD
></TR
></TABLE
>}</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AgetParserState"
>getParserState</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AState"
>State</A
> tok st)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AsetParserState"
>setParserState</A
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AState"
>State</A
> tok st -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AState"
>State</A
> tok st)</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Documentation</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:<?>"
><A NAME="v%3A%3C%3F%3E"
></A
></A
><B
>(&lt;?&gt;)</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:<|>"
><A NAME="v%3A%3C%7C%3E"
></A
></A
><B
>(&lt;|&gt;)</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>type</SPAN
> <A NAME="t:Parser"
><A NAME="t%3AParser"
></A
></A
><B
>Parser</B
> a = <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> <A HREF="../ghc-prim/GHC-Types.html#t%3AChar"
>Char</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:GenParser"
><A NAME="t%3AGenParser"
></A
></A
><B
>GenParser</B
> tok st a </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:GenParser')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:GenParser" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="../base/Control-Monad.html#t%3AMonad"
>Monad</A
> (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Control-Monad.html#t%3AFunctor"
>Functor</A
> (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="../base/Control-Monad.html#t%3AMonadPlus"
>MonadPlus</A
> (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st)</TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:runParser"
><A NAME="v%3ArunParser"
></A
></A
><B
>runParser</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; st -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourceName"
>SourceName</A
> -&gt; [tok] -&gt; <A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-ParserCombinators-Parsec-Error.html#t%3AParseError"
>ParseError</A
> a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:parse"
><A NAME="v%3Aparse"
></A
></A
><B
>parse</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> a -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourceName"
>SourceName</A
> -&gt; [tok] -&gt; <A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-ParserCombinators-Parsec-Error.html#t%3AParseError"
>ParseError</A
> a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:parseFromFile"
><A NAME="v%3AparseFromFile"
></A
></A
><B
>parseFromFile</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AParser"
>Parser</A
> a -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourceName"
>SourceName</A
> -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="../base/Data-Either.html#t%3AEither"
>Either</A
> <A HREF="Text-ParserCombinators-Parsec-Error.html#t%3AParseError"
>ParseError</A
> a)</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:parseTest"
><A NAME="v%3AparseTest"
></A
></A
><B
>parseTest</B
> :: <A HREF="../base/Text-Show.html#t%3AShow"
>Show</A
> a =&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
> a -&gt; [tok] -&gt; <A HREF="../base/System-IO.html#t%3AIO"
>IO</A
> <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:token"
><A NAME="v%3Atoken"
></A
></A
><B
>token</B
> ::  (tok -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (tok -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; (tok -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> a) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:tokens"
><A NAME="v%3Atokens"
></A
></A
><B
>tokens</B
> :: <A HREF="../base/Data-Eq.html#t%3AEq"
>Eq</A
> tok =&gt; ([tok] -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st [tok]</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:tokenPrim"
><A NAME="v%3AtokenPrim"
></A
></A
><B
>tokenPrim</B
> ::  (tok -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; tok -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; (tok -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> a) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:tokenPrimEx"
><A NAME="v%3AtokenPrimEx"
></A
></A
><B
>tokenPrimEx</B
> ::  (tok -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
>) -&gt; (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; tok -&gt; [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
>) -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> (<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; tok -&gt; [tok] -&gt; st -&gt; st) -&gt; (tok -&gt; <A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> a) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="doc"
>The most primitive token recogniser. The expression <TT
>tokenPrimEx show nextpos mbnextstate test</TT
>,
 recognises tokens when <TT
>test</TT
> returns <TT
>Just x</TT
> (and returns the value <TT
>x</TT
>). Tokens are shown in
 error messages using <TT
>show</TT
>. The position is calculated using <TT
>nextpos</TT
>, and finally, <TT
>mbnextstate</TT
>,
 can hold a function that updates the user state on every token recognised (nice to count tokens :-).
 The function is packed into a <TT
><A HREF="../base/Data-Maybe.html#t%3AMaybe"
>Maybe</A
></TT
> type for performance reasons.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:try"
><A NAME="v%3Atry"
></A
></A
><B
>try</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:label"
><A NAME="v%3Alabel"
></A
></A
><B
>label</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:labels"
><A NAME="v%3Alabels"
></A
></A
><B
>labels</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; [<A HREF="../base/Data-Char.html#t%3AString"
>String</A
>] -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:unexpected"
><A NAME="v%3Aunexpected"
></A
></A
><B
>unexpected</B
> ::  <A HREF="../base/Data-Char.html#t%3AString"
>String</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:pzero"
><A NAME="v%3Apzero"
></A
></A
><B
>pzero</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:many"
><A NAME="v%3Amany"
></A
></A
><B
>many</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st [a]</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:skipMany"
><A NAME="v%3AskipMany"
></A
></A
><B
>skipMany</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st a -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:getState"
><A NAME="v%3AgetState"
></A
></A
><B
>getState</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st st</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:setState"
><A NAME="v%3AsetState"
></A
></A
><B
>setState</B
> ::  st -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:updateState"
><A NAME="v%3AupdateState"
></A
></A
><B
>updateState</B
> ::  (st -&gt; st) -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:getPosition"
><A NAME="v%3AgetPosition"
></A
></A
><B
>getPosition</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:setPosition"
><A NAME="v%3AsetPosition"
></A
></A
><B
>setPosition</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
> -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:getInput"
><A NAME="v%3AgetInput"
></A
></A
><B
>getInput</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st [tok]</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:setInput"
><A NAME="v%3AsetInput"
></A
></A
><B
>setInput</B
> ::  [tok] -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29"
>()</A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:State"
><A NAME="t%3AState"
></A
></A
><B
>State</B
> tok st </TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="section4"
>Constructors</TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="5" CELLPADDING="0"
><TR
><TD CLASS="arg"
><A NAME="v:State"
><A NAME="v%3AState"
></A
></A
><B
>State</B
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="body" COLSPAN="2"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="arg"
><A NAME="v:stateInput"
><A NAME="v%3AstateInput"
></A
></A
><B
>stateInput</B
> :: [tok]</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:statePos"
><A NAME="v%3AstatePos"
></A
></A
><B
>statePos</B
> :: !<A HREF="Text-ParserCombinators-Parsec-Pos.html#t%3ASourcePos"
>SourcePos</A
></TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
><A NAME="v:stateUser"
><A NAME="v%3AstateUser"
></A
></A
><B
>stateUser</B
> :: !st</TD
><TD CLASS="rdoc"
></TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:getParserState"
><A NAME="v%3AgetParserState"
></A
></A
><B
>getParserState</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AState"
>State</A
> tok st)</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="decl"
><A NAME="v:setParserState"
><A NAME="v%3AsetParserState"
></A
></A
><B
>setParserState</B
> ::  <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AState"
>State</A
> tok st -&gt; <A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AGenParser"
>GenParser</A
> tok st (<A HREF="Text-ParserCombinators-Parsec-Prim.html#t%3AState"
>State</A
> tok st)</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="botbar"
>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.4.2</TD
></TR
></TABLE
></BODY
></HTML
>