HscSource(..), isHsBoot, hscSourceString,
Phase(..),
happensBefore, eqPhase, anyHsc, isStopLn,
- startPhase, -- :: String -> Phase
- phaseInputExt, -- :: Phase -> String
+ startPhase, -- :: String -> Phase
+ phaseInputExt, -- :: Phase -> String
- isHaskellishSuffix,
+ isHaskellishSuffix,
isHaskellSrcSuffix,
isObjectSuffix,
isCishSuffix,
isHaskellUserSrcSuffix,
isSourceSuffix,
- isHaskellishFilename,
+ isHaskellishFilename,
isHaskellSrcFilename,
isObjectFilename,
isCishFilename,
#include "HsVersions.h"
-import Panic ( panic )
+import Panic ( panic )
import System.FilePath
-----------------------------------------------------------------------------
{-
Phase of the | Suffix saying | Flag saying | (suffix of)
compilation system | ``start here''| ``stop after''| output file
-
+
literate pre-processor | .lhs | - | -
C pre-processor (opt.) | - | -E | -
Haskell compiler | .hs | -C, -S | .hc, .s
data HscSource
= HsSrcFile | HsBootFile | ExtCoreFile
deriving( Eq, Ord, Show )
- -- Ord needed for the finite maps we build in CompManager
+ -- Ord needed for the finite maps we build in CompManager
hscSourceString :: HscSource -> String
isHsBoot HsBootFile = True
isHsBoot _ = False
-data Phase
- = Unlit HscSource
- | Cpp HscSource
- | HsPp HscSource
- | Hsc HscSource
+data Phase
+ = Unlit HscSource
+ | Cpp HscSource
+ | HsPp HscSource
+ | Hsc HscSource
| Ccpp
- | Cc
- | HCc -- Haskellised C (as opposed to vanilla C) compilation
- | Mangle -- assembly mangling, now done by a separate script.
- | SplitMangle -- after mangler if splitting
- | SplitAs
- | As
- | CmmCpp -- pre-process Cmm source
- | Cmm -- parse & compile Cmm code
-
- -- The final phase is a pseudo-phase that tells the pipeline to stop.
- -- There is no runPhase case for it.
- | StopLn -- Stop, but linking will follow, so generate .o file
+ | Cc
+ | HCc -- Haskellised C (as opposed to vanilla C) compilation
+ | Mangle -- assembly mangling, now done by a separate script.
+ | SplitMangle -- after mangler if splitting
+ | SplitAs
+ | As
+ | CmmCpp -- pre-process Cmm source
+ | Cmm -- parse & compile Cmm code
+
+ -- The final phase is a pseudo-phase that tells the pipeline to stop.
+ -- There is no runPhase case for it.
+ | StopLn -- Stop, but linking will follow, so generate .o file
deriving (Eq, Show)
anyHsc :: Phase
eqPhase :: Phase -> Phase -> Bool
-- Equality of constructors, ignoring the HscSource field
-- NB: the HscSource field can be 'bot'; see anyHsc above
-eqPhase (Unlit _) (Unlit _) = True
-eqPhase (Cpp _) (Cpp _) = True
-eqPhase (HsPp _) (HsPp _) = True
-eqPhase (Hsc _) (Hsc _) = True
-eqPhase Ccpp Ccpp = True
-eqPhase Cc Cc = True
-eqPhase HCc HCc = True
-eqPhase Mangle Mangle = True
+eqPhase (Unlit _) (Unlit _) = True
+eqPhase (Cpp _) (Cpp _) = True
+eqPhase (HsPp _) (HsPp _) = True
+eqPhase (Hsc _) (Hsc _) = True
+eqPhase Ccpp Ccpp = True
+eqPhase Cc Cc = True
+eqPhase HCc HCc = True
+eqPhase Mangle Mangle = True
eqPhase SplitMangle SplitMangle = True
-eqPhase SplitAs SplitAs = True
-eqPhase As As = True
-eqPhase CmmCpp CmmCpp = True
-eqPhase Cmm Cmm = True
-eqPhase StopLn StopLn = True
-eqPhase _ _ = False
-
--- Partial ordering on phases: we want to know which phases will occur before
+eqPhase SplitAs SplitAs = True
+eqPhase As As = True
+eqPhase CmmCpp CmmCpp = True
+eqPhase Cmm Cmm = True
+eqPhase StopLn StopLn = True
+eqPhase _ _ = False
+
+-- Partial ordering on phases: we want to know which phases will occur before
-- which others. This is used for sanity checking, to ensure that the
-- pipeline will stop at some point (see DriverPipeline.runPipeline).
happensBefore :: Phase -> Phase -> Bool
StopLn `happensBefore` _ = False
x `happensBefore` y = after_x `eqPhase` y || after_x `happensBefore` y
- where
- after_x = nextPhase x
+ where
+ after_x = nextPhase x
nextPhase :: Phase -> Phase
-- A conservative approximation the next phase, used in happensBefore
-nextPhase (Unlit sf) = Cpp sf
-nextPhase (Cpp sf) = HsPp sf
-nextPhase (HsPp sf) = Hsc sf
-nextPhase (Hsc _) = HCc
-nextPhase HCc = Mangle
-nextPhase Mangle = SplitMangle
-nextPhase SplitMangle = As
-nextPhase As = SplitAs
-nextPhase SplitAs = StopLn
-nextPhase Ccpp = As
-nextPhase Cc = As
-nextPhase CmmCpp = Cmm
-nextPhase Cmm = HCc
-nextPhase StopLn = panic "nextPhase: nothing after StopLn"
+nextPhase (Unlit sf) = Cpp sf
+nextPhase (Cpp sf) = HsPp sf
+nextPhase (HsPp sf) = Hsc sf
+nextPhase (Hsc _) = HCc
+nextPhase HCc = Mangle
+nextPhase Mangle = SplitMangle
+nextPhase SplitMangle = As
+nextPhase As = SplitAs
+nextPhase SplitAs = StopLn
+nextPhase Ccpp = As
+nextPhase Cc = As
+nextPhase CmmCpp = Cmm
+nextPhase Cmm = HCc
+nextPhase StopLn = panic "nextPhase: nothing after StopLn"
-- the first compilation phase for a given file is determined
-- by its suffix.
startPhase "o" = StopLn
startPhase "cmm" = CmmCpp
startPhase "cmmcpp" = Cmm
-startPhase _ = StopLn -- all unknown file types
+startPhase _ = StopLn -- all unknown file types
-- This is used to determine the extension for the output from the
-- current phase (if it generates a new file). The extension depends
phaseInputExt (Unlit HsSrcFile) = "lhs"
phaseInputExt (Unlit HsBootFile) = "lhs-boot"
phaseInputExt (Unlit ExtCoreFile) = "lhcr"
-phaseInputExt (Cpp _) = "lpp" -- intermediate only
-phaseInputExt (HsPp _) = "hscpp" -- intermediate only
-phaseInputExt (Hsc _) = "hspp" -- intermediate only
- -- NB: as things stand, phaseInputExt (Hsc x) must not evaluate x
- -- because runPipeline uses the StopBefore phase to pick the
- -- output filename. That could be fixed, but watch out.
-phaseInputExt HCc = "hc"
-phaseInputExt Ccpp = "cpp"
-phaseInputExt Cc = "c"
-phaseInputExt Mangle = "raw_s"
-phaseInputExt SplitMangle = "split_s" -- not really generated
-phaseInputExt As = "s"
-phaseInputExt SplitAs = "split_s" -- not really generated
-phaseInputExt CmmCpp = "cmm"
-phaseInputExt Cmm = "cmmcpp"
-phaseInputExt StopLn = "o"
+phaseInputExt (Cpp _) = "lpp" -- intermediate only
+phaseInputExt (HsPp _) = "hscpp" -- intermediate only
+phaseInputExt (Hsc _) = "hspp" -- intermediate only
+ -- NB: as things stand, phaseInputExt (Hsc x) must not evaluate x
+ -- because runPipeline uses the StopBefore phase to pick the
+ -- output filename. That could be fixed, but watch out.
+phaseInputExt HCc = "hc"
+phaseInputExt Ccpp = "cpp"
+phaseInputExt Cc = "c"
+phaseInputExt Mangle = "raw_s"
+phaseInputExt SplitMangle = "split_s" -- not really generated
+phaseInputExt As = "s"
+phaseInputExt SplitAs = "split_s" -- not really generated
+phaseInputExt CmmCpp = "cmm"
+phaseInputExt Cmm = "cmmcpp"
+phaseInputExt StopLn = "o"
haskellish_src_suffixes, haskellish_suffixes, cish_suffixes,
extcoreish_suffixes, haskellish_user_src_suffixes
projects / ghc-hetmet.git / commitdiff