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|
{
module ParsePkgConf( loadPackageConfig ) where
#include "HsVersions.h"
import PackageConfig
import Lexer
import DynFlags
import FastString
import StringBuffer
import ErrUtils ( mkLocMessage )
import SrcLoc
import Outputable
import Panic ( GhcException(..) )
import EXCEPTION ( throwDyn )
}
%token
'{' { L _ ITocurly }
'}' { L _ ITccurly }
'[' { L _ ITobrack }
']' { L _ ITcbrack }
',' { L _ ITcomma }
'=' { L _ ITequal }
VARID { L _ (ITvarid $$) }
CONID { L _ (ITconid $$) }
STRING { L _ (ITstring $$) }
INT { L _ (ITinteger $$) }
%monad { P } { >>= } { return }
%lexer { lexer } { L _ ITeof }
%name parse
%tokentype { Located Token }
%%
pkgconf :: { [ PackageConfig ] }
: '[' ']' { [] }
| '[' pkgs ']' { reverse $2 }
pkgs :: { [ PackageConfig ] }
: pkg { [ $1 ] }
| pkgs ',' pkg { $3 : $1 }
pkg :: { PackageConfig }
: CONID '{' fields '}' { $3 defaultPackageConfig }
fields :: { PackageConfig -> PackageConfig }
: field { \p -> $1 p }
| fields ',' field { \p -> $1 ($3 p) }
field :: { PackageConfig -> PackageConfig }
: VARID '=' pkgid
{% case unpackFS $1 of
"package" -> return (\p -> p{package = $3})
_other -> happyError
}
| VARID '=' STRING { id }
-- we aren't interested in the string fields, they're all
-- boring (copyright, maintainer etc.)
| VARID '=' CONID
{% case unpackFS $1 of {
"exposed" ->
case unpackFS $3 of {
"True" -> return (\p -> p{exposed=True});
"False" -> return (\p -> p{exposed=False});
_ -> happyError };
"license" -> return id; -- not interested
_ -> happyError }
}
| VARID '=' CONID STRING { id }
-- another case of license
| VARID '=' strlist
{\p -> case unpackFS $1 of
"exposedModules" -> p{exposedModules = $3}
"hiddenModules" -> p{hiddenModules = $3}
"importDirs" -> p{importDirs = $3}
"libraryDirs" -> p{libraryDirs = $3}
"hsLibraries" -> p{hsLibraries = $3}
"extraLibraries" -> p{extraLibraries = $3}
"extraGHCiLibraries"-> p{extraGHCiLibraries= $3}
"includeDirs" -> p{includeDirs = $3}
"includes" -> p{includes = $3}
"hugsOptions" -> p{hugsOptions = $3}
"ccOptions" -> p{ccOptions = $3}
"ldOptions" -> p{ldOptions = $3}
"frameworkDirs" -> p{frameworkDirs = $3}
"frameworks" -> p{frameworks = $3}
"haddockInterfaces" -> p{haddockInterfaces = $3}
"haddockHTMLs" -> p{haddockHTMLs = $3}
"depends" -> p{depends = []}
-- empty list only, non-empty handled below
other -> p
}
| VARID '=' pkgidlist
{% case unpackFS $1 of
"depends" -> return (\p -> p{depends = $3})
_other -> happyError
}
pkgid :: { PackageIdentifier }
: CONID '{' VARID '=' STRING ',' VARID '=' version '}'
{ PackageIdentifier{ pkgName = unpackFS $5,
pkgVersion = $9 } }
version :: { Version }
: CONID '{' VARID '=' intlist ',' VARID '=' strlist '}'
{ Version{ versionBranch=$5, versionTags=$9 } }
pkgidlist :: { [PackageIdentifier] }
: '[' pkgids ']' { $2 }
-- empty list case is covered by strlist, to avoid conflicts
pkgids :: { [PackageIdentifier] }
: pkgid { [ $1 ] }
| pkgid ',' pkgids { $1 : $3 }
intlist :: { [Int] }
: '[' ']' { [] }
| '[' ints ']' { $2 }
ints :: { [Int] }
: INT { [ fromIntegral $1 ] }
| INT ',' ints { fromIntegral $1 : $3 }
strlist :: { [String] }
: '[' ']' { [] }
| '[' strs ']' { $2 }
strs :: { [String] }
: STRING { [ unpackFS $1 ] }
| STRING ',' strs { unpackFS $1 : $3 }
{
happyError :: P a
happyError = srcParseFail
loadPackageConfig :: FilePath -> IO [PackageConfig]
loadPackageConfig conf_filename = do
buf <- hGetStringBuffer conf_filename
let loc = mkSrcLoc (mkFastString conf_filename) 1 0
case unP parse (mkPState buf loc defaultDynFlags) of
PFailed span err ->
throwDyn (InstallationError (showSDoc (mkLocMessage span err)))
POk _ pkg_details -> do
return pkg_details
}
|
