{- |

Module :$Header$

Description : CMDL interface development graph commands

Copyright : uni-bremen and DFKI

Licence : similar to LGPL, see HetCATS/LICENSE.txt or LIZENZ.txt

Maintainer : r.pascanu@iu-bremen.de

Stability : provisional

Portability : portable

PGIP.DgCommands contains all development graph commands

that can be called from the CMDL interface

-}

module PGIP.DgCommands

( shellDgThmHideShift

, shellDgUse

, shellDgAuto

, shellDgGlobSubsume

, shellDgGlobDecomp

, shellDgLocInfer

, shellDgLocDecomp

, shellDgComp

, shellDgCompNew

, shellDgHideThm

, shellDgAllAuto

, shellDgAllGlobSubsume

, shellDgAllGlobDecomp

, shellDgAllLocInfer

, shellDgAllLocDecomp

, shellDgAllComp

, shellDgAllCompNew

, shellDgAllHideThm

, shellDgAllThmHide

, shellDgSelect

, shellDgSelectAll

, cUse

, selectANode

)where

import PGIP.CMDLState

import PGIP.CMDLUtils

import PGIP.CMDLShell

import Proofs.Automatic

import Proofs.Composition

import Proofs.AbstractState

import Proofs.Global

import Proofs.HideTheoremShift

import Proofs.Local

import Proofs.TheoremHideShift

import Static.GTheory

import Static.DGToSpec

import Static.DevGraph

import Static.AnalysisLibrary

import Common.Result

import Data.Graph.Inductive.Graph

import Data.List

import Syntax.AS_Library

import System.Console.Shell.ShellMonad

import Driver.Options

import Comorphisms.KnownProvers

import Comorphisms.LogicGraph

import Logic.Prover

import Logic.Grothendieck

-- | General function for implementing dg all style commands

commandDgAll :: ( LIB_NAME->LibEnv->LibEnv) -> CMDLState

-> IO CMDLState

commandDgAll fn state

= case devGraphState state of

Nothing -> return state {

-- just an error message and leave

-- the internal state intact so that

-- the interface can recover

errorMsg = "No library loaded"

}

Just dgState ->

do

let nwLibEnv = fn (ln dgState) (libEnv dgState)

return state {

devGraphState = Just dgState {

libEnv = nwLibEnv,

-- are nodes left alone!?

allEdges = [],

allEdgesUpToDate = False},

-- delete any selection if a dg command is used

proveState = Nothing

}

-- | Generic function for a dg command, all other dg

-- commands are derived from this command by simply

-- specifing the function

commandDg :: (LIB_NAME -> [LEdge DGLinkLab]->LibEnv->

LibEnv) -> String -> CMDLState

-> IO CMDLState

commandDg fn input state

= case devGraphState state of

Nothing -> return state {

-- leave the internal state intact so

-- that the interface can recover

errorMsg = "No library loaded"

}

Just dgState -> do

let (_,edg,nbEdg,errs) = decomposeIntoGoals input

prettyPrintErrList errs

case (edg,nbEdg) of

([],[]) -> return

state {

-- leave the internal state intact so

-- that the interface can recover

errorMsg = "No edges in input string"

}

(_,_) ->

do

let lsNodes = getAllNodes dgState

lsEdges = getAllEdges dgState

-- compute the list of edges from the input

(errs',listEdges) = obtainEdgeList edg nbEdg lsNodes

lsEdges

nwLibEnv = fn (ln dgState) listEdges

(libEnv dgState)

prettyPrintErrList errs'

return state {

devGraphState = Just

dgState {

libEnv = nwLibEnv,

-- are nodes left alone!?

allNodes = lsNodes,

allNodesUpToDate = True,

allEdges = [],

allEdgesUpToDate = False

},

-- delete any selection if a dg command is

-- used

proveState = Nothing

}

-- | The function 'cUse' implements the Use commands, i.e.

-- given a path it tries to load the library at that path

cUse::String ->CMDLState -> IO CMDLState

cUse input state

= do

let opts = defaultHetcatsOpts

file = input

tmp <- case devGraphState state of

Nothing -> anaLib opts file

Just dgState ->

anaLibExt opts file $ libEnv dgState

case tmp of

Nothing -> return state {

-- leave internal state intact so that

-- the interface can recover

errorMsg = ("Unable to load library "++input)

}

Just (nwLn, nwLibEnv) ->

return state {

devGraphState = Just

CMDLDevGraphState {

ln = nwLn,

libEnv = nwLibEnv,

allNodes = [],

allNodesUpToDate = False,

allEdges = [],

allEdgesUpToDate = False

},

prompter = (file ++ "> "),

-- delete any selection if a dg command is

-- used

proveState = Nothing

}

-- The only command that requires a list of nodes instead

-- of edges.

cDgThmHideShift :: String -> CMDLState -> IO CMDLState

cDgThmHideShift input state

= case devGraphState state of

Nothing -> return state {

-- leave internal state intact so

-- that the interface can recover

errorMsg = "No library loaded"

}

Just dgState -> do

let (nds,_,_,errs) = decomposeIntoGoals input

prettyPrintErrList errs

case nds of

[] -> return

state {

-- leave internal state intact so

-- that the interface can recover

errorMsg = "No nodes in input string"

}

_ ->

do

let lsNodes = getAllNodes dgState

(errs',listNodes) = obtainNodeList nds lsNodes

nwLibEnv = theoremHideShiftFromList (ln dgState)

listNodes (libEnv dgState)

prettyPrintErrList errs'

return state {

devGraphState = Just

dgState {

libEnv = nwLibEnv,

-- are nodes left alone!?

allNodes = lsNodes,

allNodesUpToDate = True,

-- are edges left alone!?

allEdges = [],

allEdgesUpToDate = False

},

-- delte any selection if a dg command is

-- used

proveState = Nothing

}

shellDgThmHideShift :: String -> Sh CMDLState ()

shellDgThmHideShift

= shellComWith cDgThmHideShift False False

shellDgUse :: String -> Sh CMDLState ()

shellDgUse

= shellComWith cUse False False

shellDgAuto :: String -> Sh CMDLState ()

shellDgAuto

= shellComWith (commandDg automaticFromList) False False

shellDgGlobSubsume:: String -> Sh CMDLState ()

shellDgGlobSubsume

= shellComWith (commandDg globSubsumeFromList) False False

shellDgGlobDecomp:: String -> Sh CMDLState ()

shellDgGlobDecomp

= shellComWith (commandDg globDecompFromList) False False

shellDgLocInfer :: String -> Sh CMDLState ()

shellDgLocInfer

= shellComWith (commandDg localInferenceFromList) False False

shellDgLocDecomp :: String -> Sh CMDLState ()

shellDgLocDecomp

= shellComWith (commandDg locDecompFromList) False False

shellDgComp :: String -> Sh CMDLState ()

shellDgComp

= shellComWith (commandDg compositionFromList) False False

shellDgCompNew :: String-> Sh CMDLState ()

shellDgCompNew

= shellComWith (commandDg compositionCreatingEdgesFromList)

False False

shellDgHideThm :: String-> Sh CMDLState ()

shellDgHideThm

= shellComWith (commandDg automaticHideTheoremShiftFromList)

False False

shellDgAllAuto:: Sh CMDLState ()

shellDgAllAuto

= shellComWithout (commandDgAll automatic) False False

shellDgAllGlobSubsume :: Sh CMDLState ()

shellDgAllGlobSubsume

= shellComWithout (commandDgAll globSubsume) False False

shellDgAllGlobDecomp :: Sh CMDLState ()

shellDgAllGlobDecomp

= shellComWithout (commandDgAll globDecomp) False False

shellDgAllLocInfer :: Sh CMDLState ()

shellDgAllLocInfer

= shellComWithout (commandDgAll localInference) False False

shellDgAllLocDecomp :: Sh CMDLState ()

shellDgAllLocDecomp

= shellComWithout (commandDgAll locDecomp) False False

shellDgAllComp :: Sh CMDLState ()

shellDgAllComp

= shellComWithout (commandDgAll composition) False False

shellDgAllCompNew :: Sh CMDLState ()

shellDgAllCompNew

= shellComWithout (commandDgAll compositionCreatingEdges) False False

shellDgAllHideThm :: Sh CMDLState ()

shellDgAllHideThm

= shellComWithout (commandDgAll automaticHideTheoremShift) False False

shellDgAllThmHide :: Sh CMDLState ()

shellDgAllThmHide

= shellComWithout (commandDgAll theoremHideShift) False False

-- selection commands

selectANode :: Int -> CMDLDevGraphState

-> [CMDLProofAbstractState]

selectANode x dgState

= let

-- computes the theory of a given node

-- (i.e. solves DGRef cases and so on,

-- see CASL Reference Manual, p.294, Def 4.9)

-- computeTheory is defined in Static.DGToSpec

gth n = computeTheory (libEnv dgState)

(ln dgState)

n

nodeName t=case find(\(n,_)-> n==t)$getAllNodes dgState of

Nothing -> "Unknown node"

Just (_,ll)-> getDGNodeName ll

in

case knownProversWithKind ProveCMDLautomatic of

Result _ Nothing -> []

Result _ (Just kpMap) ->

-- if compute theory was successful give the

-- result as one element list, otherwise an

-- empty list

case gth x of

Result _ (Just th@(G_theory lid _ _ _ _)) ->

do

tmp<-initialState

lid

(shows

(getLIB_ID$ ln dgState) "_" ++(nodeName x)

)

th

(shrinkKnownProvers (sublogicOfTh th) kpMap)

(getProvers ProveCMDLautomatic $

filter hasModelExpansion $

findComorphismPaths logicGraph $

sublogicOfTh th

)

-- make so that nothing (no goals, no axioms) are

-- selected initialy in the goal proof status

return (initCMDLProofAbstractState tmp{

selectedGoals =case selectedGoals tmp of

[] -> []

s:_-> [s]

} x)

_ -> []

-- | function swithces interface in proving mode and also

-- selects a list of nodes to be used inside this mode

cDgSelect :: String -> CMDLState -> IO CMDLState

cDgSelect input state

=case devGraphState state of

Nothing -> return state {

-- leave internal state intact so

-- that the interface can recover

errorMsg = "No library loaded"

}

Just dgState -> do

let (nds,_,_,errs) = decomposeIntoGoals input

prettyPrintErrList errs

case nds of

[] -> return

state {

-- leave internal state intact so

-- that the interface can recover

errorMsg = "No nodes in input string"

}

_ ->

case knownProversWithKind ProveCMDLautomatic of

Result _ Nothing -> return

state {

-- leave internal state intact

-- so that the interface can

-- recover

errorMsg="No prover found"

}

Result _ (Just _) ->

do

-- list of all nodes

let lsNodes = getAllNodes dgState

-- list of input nodes

(errs',listNodes) = obtainNodeList nds lsNodes

-- elems is the list of all results (i.e.

-- concat of all one element lists)

elems = concatMap

(\x -> case x of

(n,_) -> selectANode n dgState

) listNodes

prettyPrintErrList errs'

return state {

-- keep the list of nodes as up to date

devGraphState = Just

dgState {

allNodes = lsNodes,

allNodesUpToDate = True

},

-- add the prove state to the status

-- containing all information selected

-- in the input

proveState = Just

CMDLProveState {

elements = elems,

cComorphism = Nothing,

prover = Nothing,

save2file = False,

useTheorems = False,

script = "",

loadScript = False

}

}

shellDgSelect :: String -> Sh CMDLState ()

shellDgSelect

= shellComWith cDgSelect False False

-- | Function switches the interface in proving mode by

-- selecting all nodes

cDgSelectAll :: CMDLState -> IO CMDLState

cDgSelectAll state

=case devGraphState state of

Nothing -> return state {

-- leave internal state intact so

-- that the interface can recover

errorMsg = "No library loaded"

}

Just dgState ->

case knownProversWithKind ProveCMDLautomatic of

Result _ Nothing -> return

state {

-- leave internal state intact so

-- that the interface can recover

errorMsg="No prover found"

}

Result _ (Just _) ->

do

-- list of all nodes

let lsNodes = getAllNodes dgState

-- elems is the list of all results (i.e. concat

-- of all one element lists)

elems = concatMap

(\x -> case x of

(n,_) -> selectANode n dgState

) lsNodes

return state {

-- keep the list of nodes as up to date

devGraphState = Just

dgState {

allNodes = lsNodes,

allNodesUpToDate = True

},

-- add the prove state to the status containing

-- all information selected in the input

proveState = Just

CMDLProveState {

elements = elems,

cComorphism = Nothing,

prover = Nothing,

save2file = False,

useTheorems = False,

script = "",

loadScript = False

}

}

shellDgSelectAll :: Sh CMDLState ()

shellDgSelectAll

= shellComWithout cDgSelectAll False False