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author | dos-reis <gdr@axiomatics.org> | 2011-03-01 05:56:31 +0000 |
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committer | dos-reis <gdr@axiomatics.org> | 2011-03-01 05:56:31 +0000 |
commit | 06a195106936c4ff03dcf23eef9351c007c5e48e (patch) | |
tree | 100f69dffae3b5688c89c8ea3bea9a6e16f4e46d /src/interp/modemap.boot | |
parent | 59ee694e2266b29dff595286647998eb448537ac (diff) | |
download | open-axiom-06a195106936c4ff03dcf23eef9351c007c5e48e.tar.gz |
* interp/info.boot: Move content to modemap.boot. Delete.
Diffstat (limited to 'src/interp/modemap.boot')
-rw-r--r-- | src/interp/modemap.boot | 246 |
1 files changed, 245 insertions, 1 deletions
diff --git a/src/interp/modemap.boot b/src/interp/modemap.boot index 8e52c4f6..fcf08109 100644 --- a/src/interp/modemap.boot +++ b/src/interp/modemap.boot @@ -33,7 +33,6 @@ import c_-util -import info namespace BOOT --% @@ -377,3 +376,248 @@ putDomainsInScope(x,e) == $insideCapsuleFunctionIfTrue => ($CapsuleDomainsInScope:= newValue; e) put("$DomainsInScope","special",newValue,e) + + +--% ADDINFORMATION CODE +--% This code adds various items to the special value of $Information, +--% in order to keep track of all the compiler's information about +--% various categories and similar objects +--% An actual piece of (unconditional) information can have one of 3 forms: +--% (ATTRIBUTE domainname attribute) +--% --These are only stored here +--% (SIGNATURE domainname operator signature) +--% --These are also stored as 'modemap' properties +--% (has domainname categoryexpression) +--% --These are also stored as 'value' properties +--% Conditional attributes are of the form +--% (%when +--% (condition info info ...) +--% ... ) +--% where the condition looks like a 'has' clause, or the 'and' of several +--% 'has' clauses: +--% (has name categoryexpression) +--% (has name (ATTRIBUTE attribute)) +--% (has name (SIGNATURE operator signature)) +--% The use of two representations is admitted to be clumsy + + +import g_-util +namespace BOOT + +printInfo $e == + for u in get("$Information","special",$e) repeat PRETTYPRINT u + nil + +addInformation(m,$e) == + $Information: local := nil + info m where + info m == + --Processes information from a mode declaration in compCapsule + atom m => nil + m is ["CATEGORY",.,:stuff] => for u in stuff repeat addInfo u + m is ["Join",:stuff] => for u in stuff repeat info u + nil + $e:= + put("$Information","special",[:$Information,: + get("$Information","special",$e)],$e) + $e + +addInfo u == + $Information:= [formatInfo u,:$Information] + +formatInfo u == + atom u => u + u is ["SIGNATURE",:v] => ["SIGNATURE","$",:v] + u is ["PROGN",:l] => ["PROGN",:[formatInfo v for v in l]] + u is ["ATTRIBUTE",v] => + + -- The parser can't tell between those attributes that really + -- are attributes, and those that are category names + atom v and isCategoryForm([v],$e) => ["has","$",[v]] + atom v => ["ATTRIBUTE","$",v] + isCategoryForm(v,$e) => ["has","$",v] + ["ATTRIBUTE","$",v] + u is ["IF",a,b,c] => + c="%noBranch" => ['%when,:liftCond [formatPred a,formatInfo b]] + b="%noBranch" => ['%when,:liftCond [["not",formatPred a],formatInfo c]] + ['%when,:liftCond [formatPred a,formatInfo b],: + liftCond [["not",formatPred a],formatInfo c]] + systemError ['"formatInfo",u] + +liftCond (clause is [ante,conseq]) == + conseq is ['%when,:l] => + [[lcAnd(ante,a),:b] for [a,:b] in l] where + lcAnd(pred,conj) == + conj is ["and",:ll] => ["and",pred,:ll] + ["and",pred,conj] + [clause] + +formatPred u == + --Assumes that $e is set up to point to an environment + u is ["has",a,b] => + atom b and isCategoryForm([b],$e) => ["has",a,[b]] + atom b => ["has",a,["ATTRIBUTE",b]] + isCategoryForm(b,$e) => u + b is ["ATTRIBUTE",.] => u + b is ["SIGNATURE",:.] => u + ["has",a,["ATTRIBUTE",b]] + atom u => u + u is ["and",:v] => ["and",:[formatPred w for w in v]] + systemError ['"formatPred",u] + +chaseInferences(pred,$e) == + foo hasToInfo pred where + foo pred == + knownInfo pred => nil + $e:= actOnInfo(pred,$e) + pred:= infoToHas pred + for u in get("$Information","special",$e) repeat + u is ['%when,:l] => + for [ante,:conseq] in l repeat + ante=pred => [foo w for w in conseq] + ante is ["and",:ante'] and member(pred,ante') => + ante':= delete(pred,ante') + v':= + # ante'=1 => first ante' + ["and",:ante'] + v':= ['%when,[v',:conseq]] + member(v',get("$Information","special",$e)) => nil + $e:= + put("$Information","special",[v',: + get("$Information","special",$e)],$e) + nil + $e + +hasToInfo (pred is ["has",a,b]) == + b is ["SIGNATURE",:data] => ["SIGNATURE",a,:data] + b is ["ATTRIBUTE",c] => ["ATTRIBUTE",a,c] + pred + +infoToHas a == + a is ["SIGNATURE",b,:data] => ["has",b,["SIGNATURE",:data]] + a is ["ATTRIBUTE",b,c] => ["has",b,["ATTRIBUTE",c]] + a + +++ Return true if we are certain that the information +++ denotated by `pred' is derivable from the current environment. +knownInfo pred == + pred=true => true + member(pred,get("$Information","special",$e)) => true + pred is ["OR",:l] => or/[knownInfo u for u in l] + pred is ["AND",:l] => and/[knownInfo u for u in l] + pred is ["or",:l] => or/[knownInfo u for u in l] + pred is ["and",:l] => and/[knownInfo u for u in l] + pred is ["ATTRIBUTE",name,attr] => + v:= compForMode(name,$EmptyMode,$e) or return + stackAndThrow('"can't find category of %1pb",[name]) + [vv,.,.]:= compMakeCategoryObject(second v,$e) or return + stackAndThrow('"can't make category of %1pb",[name]) + member(attr,vv.2) => true + x:= assoc(attr,vv.2) => knownInfo second x + --format is a list of two elements: information, predicate + false + pred is ["has",name,cat] => + cat is ["ATTRIBUTE",:a] => knownInfo ["ATTRIBUTE",name,:a] + cat is ["SIGNATURE",:a] => knownInfo ["SIGNATURE",name,:a] + -- unnamed category expressions imply structural checks. + cat is ["Join",:.] => and/[knownInfo ["has",name,c] for c in rest cat] + cat is ["CATEGORY",.,:atts] => + and/[knownInfo hasToInfo ["has",name,att] for att in atts] + name is ['Union,:.] => false + -- we have a named category expression + v:= compForMode(name,$EmptyMode,$e) or return + stackAndThrow('"can't find category of %1pb",[name]) + vmode := v.mode + cat = vmode => true + vmode is ["Join",:l] and member(cat,l) => true + [vv,.,.]:= compMakeCategoryObject(vmode,$e) or return + stackAndThrow('"cannot find category %1pb",[vmode]) + catlist := vv.4 + member(cat,first catlist) => true --checks princ. ancestors + (u:=assoc(cat,second catlist)) and knownInfo second u => true + -- previous line checks fundamental anscestors, we should check their + -- principal anscestors but this requires instantiating categories + + or/[AncestorP(cat,[first u]) + for u in second catlist | knownInfo second u] => true + false + pred is ["SIGNATURE",name,op,sig,:.] => + v:= get(op,"modemap",$e) + for w in v repeat + ww:= CDAR w --the actual signature part + ww = sig => + CAADR w = true => return true + false + --error '"knownInfo" + false + +actOnInfo(u,$e) == + null u => $e + u is ["PROGN",:l] => (for v in l repeat $e:= actOnInfo(v,$e); $e) + $e:= + put("$Information","special",Info:= [u,:get("$Information","special",$e)],$e + ) + u is ['%when,:l] => + --there is nowhere %else that this sort of thing exists + for [ante,:conseq] in l repeat + if member(hasToInfo ante,Info) then for v in conseq repeat + $e:= actOnInfo(v,$e) + $e + u is ["ATTRIBUTE",name,att] => + [vval,vmode,.]:= GetValue name + compilerMessage('"augmenting %1: %2p", [name,["ATTRIBUTE",att]]) + key:= if CONTAINED("$",vmode) then "domain" else name + cat:= ["CATEGORY",key,["ATTRIBUTE",att]] + $e:= put(name,"value",[vval,mkJoin(cat,vmode),nil],$e) + --there is nowhere %else that this sort of thing exists + u is ["SIGNATURE",name,operator,modemap,:q] => + kind := + q is ["constant"] => "CONST" + "ELT" + implem:= + (implem:=ASSOC([name,:modemap],get(operator,'modemap,$e))) => + CADADR implem + name = "$" => [kind,name,-1] + [kind,name,substitute('$,name,modemap)] + $e:= addModemap(operator,name,modemap,true,implem,$e) + [vval,vmode,.]:= GetValue name + compilerMessage('"augmenting %1: %2p", + [name,["SIGNATURE",operator,modemap,:q]]) + key:= if CONTAINED("$",vmode) then "domain" else name + cat:= ["CATEGORY",key,["SIGNATURE",operator,modemap,:q]] + $e:= put(name,"value",[vval,mkJoin(cat,vmode),nil],$e) + u is ["has",name,cat] => + [vval,vmode,.]:= GetValue name + cat=vmode => $e --stating the already known + u:= compMakeCategoryObject(cat,$e) => + --we are adding information about a category + [catvec,.,$e]:= u + [ocatvec,.,$e]:= compMakeCategoryObject(vmode,$e) + + --we are adding a principal descendant of what was already known + member(cat,first ocatvec.4) or + assoc(cat,second ocatvec.4) is [.,"T",.] => $e + --what was being asserted is an ancestor of what was known + if name="$" + then $e:= augModemapsFromCategory(name,name,name,cat,$e) + else + genDomainView(name,name,cat,"HasCategory") + -- a domain upgrade at function level is local to that function. + if not $insideCapsuleFunctionIfTrue and + not MEMQ(name,$functorLocalParameters) then + $functorLocalParameters:=[:$functorLocalParameters,name] + compilerMessage('"augmenting %1: %2p", [name,cat]) + $e:= put(name,"value",[vval,mkJoin(cat,vmode),nil],$e) + SAY("extension of ",vval," to ",cat," ignored") + $e + systemError ['"actOnInfo",u] + +mkJoin(cat,mode) == + mode is ['Join,:cats] => ['Join,cat,:cats] + ['Join,cat,mode] + +GetValue name == + u:= get(name,"value",$e) => u + u:= comp(name,$EmptyMode,$e) => u --name may be a form + systemError [name,'" is not bound in the current environment"] + |