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|
module
imports
signatures/webdsl-statix-sig
static-semantics/actions/built-ins
static-semantics/entities/built-ins
static-semantics/types/built-ins
static-semantics/ui/built-ins
static-semantics/entities/annotations
static-semantics/webdsl-ac
static-semantics/webdsl-actions
static-semantics/webdsl-entities
static-semantics/webdsl-expand
static-semantics/webdsl-hql
static-semantics/webdsl-modules
static-semantics/webdsl-native
static-semantics/webdsl-regex
static-semantics/webdsl-search
static-semantics/webdsl-services
static-semantics/webdsl-types
static-semantics/webdsl-ui
signature
sorts
// semantic type
// used as return values of functional rules
// dummy data: used to guide scope graph differ
constructors
: BOOL
: BOOL
: list(FormalArg) -> ORIGIN
: list(NativeType) -> ORIGIN
: list(TYPE) -> ORIGIN
: ORIGIN // prop names should be unique. TODO: how about non-unique properties in incorrect programs?
: int -> ORIGIN // unary identity-derived function
name-resolution
labels
// parent edge label for consecutive statements
// function edge label for embedding functions, templates and pages in a scope
// extend edge label for extending entities
// inherit edge label for subclasses
// definition edge label for embedding top-level definitions in the module scope
// import edge label for importing another module
// import edge label for importing statix libraries such as the built-in.app library
// global edge label for edges from global scope to other modules
relations
: list(string) * scope
: string * scope
: string * scope
: string * scope
: string * scope
: string * scope
: string * ORIGIN * scope
: string * scope
: TYPE
rules // module declaration and resolving
: scope * list(string) * scope
declareMod(, , s_mod) :-
!mod[m, s_mod] in s,
resolveMod(s, m) == [_] | error $[Module [m] is already declared].
: scope * list(string) -> list((path * (list(string) * scope)))
resolveMod(s, m) = ss :-
query mod filter e
and { m' :- m' == (m, _) }
in s |-> ss.
: scope * list(string) -> list((path * (list(string) * scope)))
resolveModWildcard(s, names) = /*modsOf(*/ ss /*)*/ :-
query mod filter e
and { m' :- isPrefix(names, m') }
in s |-> ss.
: list(string) * (list(string) * scope)
isPrefix(names, (names', _)) :- isPrefix_internal(names, names').
: list(string) * list(string)
isPrefix_internal([], _).
isPrefix_internal([x | xs], [x | ys]) :- isPrefix_internal(xs, ys).
isPrefix_internal(_, _) :- false.
rules // type declaration and resolving
: scope * string * TYPE
declareType(, , ) :-
!type[name, withType(t)] in s,
resolveType(s, name) == [(_, (_, t))] | error $[Type [name] is defined multiple times] @name.
: scope * string -> list((path * (string * TYPE)))
resolveType(s, name) = typesOf(ts) :-
query type filter P* F* ((EXTEND? INHERIT*) | (DEF? (IMPORT | IMPORTLIB)?))
and { e' :- e' == (name, _) }
min $ < IMPORTLIB, P < IMPORTLIB, F < IMPORTLIB, EXTEND < IMPORTLIB, INHERIT < IMPORTLIB, DEF < IMPORTLIB, IMPORT < IMPORTLIB
and true
in s |-> ts.
: TYPE -> scope
withType(t) = :-
new s, !typeOf[t] in s.
maps typeOf(list(*)) = list(*)
: (path * (string * scope)) -> (path * (string * TYPE))
typeOf((p, (x, s))) = (p, (x, t)) :-
query typeOf filter e in s |-> [(_, t)].
maps typeOfStripOrigin(list(*)) = list(*)
: (path * (string * ORIGIN * scope)) -> (path * (string * TYPE))
typeOfStripOrigin((p, (x, _, s))) = (p, (x, t)) :-
query typeOf filter e in s |-> [(_, t)].
: scope -> TYPE
simpleTypeOf(s) = t :-
query typeOf filter e in s |-> [(_, t)].
rules // extend entity declaration
: scope * string * scope
declareExtendScope(s, e, s_extend) :-
!extendscope[e, s_extend] in s.
: scope * string -> list((path * (string * scope)))
resolveExtendScope(s, x) = ps :-
query extendscope filter P* F* DEF? (IMPORT | IMPORTLIB)? GLOBAL?
and { e' :- e' == (x, _) }
min $ < P, $ < F, $ < DEF, $ < IMPORT, $ < IMPORTLIB, $ < GLOBAL,
P < F, P < DEF, P < IMPORT, P < IMPORTLIB, P < GLOBAL,
F < DEF, F < IMPORT, F < IMPORTLIB, F < GLOBAL,
DEF < IMPORT, DEF < IMPORTLIB, DEF < GLOBAL,
IMPORT < GLOBAL, IMPORTLIB < GLOBAL
and { (entity, entity_scope), (entity, entity_scope) }
in s |-> ps.
rules // ui declaration and resolving
: scope * string * list(TYPE)
declareTemplate(s, t, ts) :- declareTemplate_internal(s, t, ts, FALSE()).
declareAjaxTemplate : scope * string * list(TYPE)
declareAjaxTemplate(s, t, ts) :- declareTemplate_internal(s, t, ts, TRUE()).
: scope * string * list(TYPE) * BOOL
declareTemplate_internal(, , , ajax) :-
!template[t, withType(TEMPLATE(t, ts, ajax))] in s,
resolvePage(s, t) == [] | error $[Multiple page/template definitions with name [t]] @t,
filterTemplateResultsArgs(resolveTemplate(s, t), ts) == [_] | error $[Multiple page/template definitions with name [t] and argument types [ts]] @t. // correct error message for tests
: scope * string * list(TYPE)
declarePage(, , ts) :-
!page[p, withType(PAGE(p, ts))] in s,
resolveTemplate(s, p) == [] | error $[Multiple page/template definitions with name [p]] @p, // correct error message for tests
resolvePage(s, p) == [_] | error $[Multiple page/template definitions with name [p]] @p. // correct error message for tests
: scope * string -> list((path * (string * TYPE)))
resolveTemplate(s, t) = resolveTemplate_internal(s, t, FALSE()).
: scope * string -> list((path * (string * TYPE)))
resolveAjaxTemplate(s, t) = resolveTemplate_internal(s, t, TRUE()).
: scope * string * BOOL -> list((path * (string * TYPE)))
resolveTemplate_internal(s, t, FALSE()) = typesOf(ps) :-
query template filter P* F* ((EXTEND? (INHERIT EXTEND?)*) | (DEF? (IMPORT | IMPORTLIB)?))
and { t' :- t' == (t, _) }
in s |-> ps.
resolveTemplate_internal(s, t, TRUE()) = filterTemplateResultsAjax(resolveTemplate_internal(s, t, FALSE()), TRUE()).
: scope * string -> list((path * (string * TYPE)))
resolveTemplateNoAjax(s, t) = filterTemplateResultsAjax(resolveTemplate_internal(s, t, FALSE()), FALSE()).
: list((path * (string * TYPE))) * BOOL -> list((path * (string * TYPE)))
filterTemplateResultsAjax([], _) = [].
filterTemplateResultsAjax([t@(_, (_, TEMPLATE(_, _, b))) | ts], b) = [t | filterTemplateResultsAjax(ts, b)].
filterTemplateResultsAjax([_ | ts], b) = filterTemplateResultsAjax(ts, b).
: list((path * (string * TYPE))) * list(TYPE) -> list((path * (string * TYPE)))
filterTemplateResultsArgs([], _) = [].
filterTemplateResultsArgs([t@(_, (_, TEMPLATE(_, args, _))) | ts], args) = [t | filterTemplateResultsArgs(ts, args)].
filterTemplateResultsArgs([_ | ts], args) = filterTemplateResultsArgs(ts, args).
: scope * string -> list((path * (string * TYPE)))
resolvePage(s, p) = typesOf(ps) :-
query page filter P* F* ((EXTEND? (INHERIT EXTEND?)*) | (DEF? (IMPORT | IMPORTLIB)?))
and { p' :- p' == (p, _) }
in s |-> ps.
rules // ac rules
: scope * string * list(TYPE)
declarePointcut(, , ts) :-
!ac[p, withType(POINTCUT(p, ts))] in s,
resolvePointcut(s, p) == [_] | error $[Pointcut [p] is defined multiple times] @p.
: scope * string -> list((path * (string * TYPE)))
resolvePointcut(s, p) = typesOf(ps) :-
query ac filter P* F* ((EXTEND? (INHERIT EXTEND?)*) | (DEF? (IMPORT | IMPORTLIB)?))
and { p' :- p' == (p, _) }
in s |-> ps.
rules // function declaration and resolving
: scope * string * ORIGIN * list(TYPE) * TYPE
declareFunction(s, f, origin, args, return) :- declareFunction_internal(s, f, origin, args, return, FALSE()).
: scope * string * ORIGIN * list(TYPE) * TYPE
declareStaticFunction(s, f, origin, args, return) :- declareFunction_internal(s, f, origin, args, return, TRUE()).
: scope * string * ORIGIN * list(TYPE) * TYPE * BOOL
declareFunction_internal(s, , origin, args, return, static) :- { }
s_type == withType(FUNCTION(f, args, return, static)),
!function[f, origin, s_type] in s.
: scope * string -> list((path * (string * TYPE)))
resolveFunction(s, f) = filterFunctionResults(typesOfStripOrigin(ps), FALSE()) :-
query function filter P* F* ((EXTEND? (INHERIT EXTEND?)*) | (DEF? (IMPORT | IMPORTLIB)?))
and { f' :- f' == (f, _, _) }
in s |-> ps.
: scope * string -> list((path * (string * TYPE)))
resolveEntityFunction(s, x) = filterFunctionResults(typesOfStripOrigin(ps), FALSE()) :-
query function filter EXTEND? (INHERIT EXTEND?)*
and { x' :- x' == (x, _, _) }
min $ < INHERIT, EXTEND < INHERIT // do not shadow EXTEND with $
and { (, _, T1), (f, _, T2) :- {}
simpleTypeOf(T1) == FUNCTION(f, args, _, _),
simpleTypeOf(T2) == FUNCTION(f, args, _, _)
} // only shadow when function has the same name and argument types
in s |-> ps.
: scope * string -> list((path * (string * TYPE)))
resolveStaticEntityFunction(s, x) = filterFunctionResults(typesOfStripOrigin(ps), TRUE()) :-
query function filter EXTEND? (INHERIT EXTEND?)*
and { x' :- x' == (x, _, _) }
min $ < INHERIT, EXTEND < INHERIT // do not shadow EXTEND with $
and { (f, _, T1), (, _, T2) :- {}
simpleTypeOf(T1) == FUNCTION(f, args, _, _),
simpleTypeOf(T2) == FUNCTION(f, args, _, _)
} // only shadow when function has the same name and argument types
in s |-> ps.
// last BOOL arg indiciates if only static function should be returned (TRUE()) or all functions (FALSE())
: list((path * (string * TYPE))) * BOOL -> list((path * (string * TYPE)))
filterFunctionResults([], _) = [].
filterFunctionResults([f@(_, (_, FUNCTION(_, _, _, TRUE()))) | fs], b@TRUE()) = [f | filterFunctionResults(fs, b)].
filterFunctionResults([f@(_, (_, FUNCTION(_, _, _, _))) | fs], b@FALSE()) = [f | filterFunctionResults(fs, b)].
filterFunctionResults([_ | fs], b) = filterFunctionResults(fs, b).
rules // action and placeholder declaration and resolving
: scope * string * ORIGIN * list(TYPE)
declareAction(, , origin, ) :-
!function[a, origin, withType(ACTION(a, ts))] in s,
resolveAction(s, a) == [(_, (_, ACTION(a, ts)))] | error $[Action [a] is defined multiple times] @a.
: scope * string -> list((path * (string * TYPE)))
resolveAction(s, a) = filterActionResults(typesOfStripOrigin(as)) :-
query function filter P*
and { a' :- a' == (a, _, _) }
in s |-> as.
: scope * string
declarePlaceholder(, ) :-
!var[ph, withType(placeholder(s))] in s,
noDuplicateVarDefs(s, ph) | error $[Variable [ph] is defined multiple times] @ph.
: scope * string -> list((path * (string * TYPE)))
resolvePlaceholder(s, ph) = result :- { }
query var filter P*
and { ph' :- ph' == (ph, _) }
in s |-> ph_scopes,
phs == typesOf(ph_scopes),
result == filterPlaceholderResults(phs).
: list((path * (string * TYPE))) -> list((path * (string * TYPE)))
filterActionResults([]) = [].
filterActionResults([a@(_, (_, ACTION(_, _))) | as]) = [a | filterActionResults(as)].
filterActionResults([_ | as]) = filterActionResults(as).
: list((path * (string * TYPE))) -> list((path * (string * TYPE)))
filterPlaceholderResults([]) = [].
filterPlaceholderResults([ph@(_, (_, BUILTINTYPE("Placeholder", _))) | phs]) = [ph | filterPlaceholderResults(phs)].
filterPlaceholderResults([_ | phs]) = filterPlaceholderResults(phs).
rules // variable declaration and resolving
: scope * string * TYPE
declareVar(, , t) :-
!var[x, withType(t)] in s,
noDuplicateVarDefs(s, x) | error $[A variable named [x] already exists in this scope].
: scope * string -> list((path * (string * TYPE)))
resolveVar(s, x) = typesOf(ps) :-
query var filter P* F* ((EXTEND? (INHERIT EXTEND?)*) | (DEF? (IMPORT | IMPORTLIB)?))
and { x' :- x' == (x, _) }
min $ < P, P < F, F < EXTEND, EXTEND < INHERIT, INHERIT < DEF, DEF < IMPORT, IMPORT < IMPORTLIB
and true
in s |-> ps.
: scope * string -> list((path * (string * TYPE)))
resolveProperty(s_entity, x) = typesOf(ps) :-
query var filter EXTEND? (INHERIT EXTEND?)*
and { x' :- x' == (x, _) }
in s_entity |-> ps.
: scope * string -> list((path * (string * TYPE)))
resolveLocalProperty(s_entity, x) = typesOf(ps) :-
query var filter EXTEND?
and { x' :- x' == (x, _) }
in s_entity |-> ps.
resolveMutableProperty : scope * string -> list((path * (string * TYPE)))
resolveMutableProperty(s_entity, x) = typesOf(ps) :-
query var filter EXTEND? (INHERIT EXTEND?)*
and { x' :- x' == (x, _) }
in s_entity |-> ps.
: scope * list((string * TYPE))
declareParameters(s, []).
declareParameters(, [(, t)|tail]) :-
declareVar(s, x, t),
declareAnnotation(s, x, DERIVED()), // abuse derived annotation to declare immutability of parameters
declareParameters(s, tail).
declareParameters(, [(, t@TEMPLATEELEMENTS()) | tail]) :-
declareVar(s, x, t),
declareAnnotation(s, x, DERIVED()), // abuse derived annotation to declare immutability of parameters
declareTemplate(s, x, []),
declareParameters(s, tail).
rules // declare common rules and mappings
: scope * Unit
unitOk(_, EmptyUnit()).
maps sectionOk(*, list(*))
: scope * Section
sectionOk(_, ACPolicy(_)) :- try { false } | warning $[This section is not yet implemented].
sectionOk(s, Section(_, defs)) :- defsOk(s, defs).
defsOk maps defOk(*, list(*))
: scope * Definition
defOk(_, Description(_)) :- try { false } | warning $[This definition is not yet implemented].
defOk(_, Note(_)) :- try { false } | warning $[This definition is not yet implemented].
defOk(_, Routing(_)) :- try { false } | warning $[This definition is not yet implemented].
: scope * scope * Statement * TYPE // TYPE argument is the return type in a function
: scope * list(Statement) * TYPE
stmtsOk(_, [], _).
stmtsOk(, [stmt | tail], ) :- { }
new s_decl, s_decl -P-> s,
new s_next, s_next -P-> s_decl,
stmtOk(s, s_decl, stmt, rt),
stmtsOk(s_next, tail, rt).
: scope * Exp
expOk(s, exp) :- { T }
typeOfExp(s, exp) == T.
: scope
declareBuiltIns() :-
// declareACBuiltIns(s), do this separately in Application instead of built-in
declareFunctionIns(s),
declareEntityBuiltIns(s),
declareSearchBuiltIns(s),
declareTypeBuiltIns(s),
declareTypeBuiltInFunctions(s),
declareUIBuiltIns(s).
rules // typing
maps typeOfExp(*, list(*)) = list(*)
: scope * Exp -> TYPE
: scope * Exp -> TYPE
typeOfExpTyped(s, ) = :-
t == typeOfExp(s, exp),
t != UNTYPED() | error $[Cannot resolve type [t]] @exp.
: scope * SimpleExp -> TYPE
typeOfSimpleExp(s, exp) = UNTYPED() :- try { false } | warning $[typing of expression [exp] is not yet implemented].
: scope * PHExp -> TYPE
typeOfPlaceholderExp(s, exp) = UNTYPED() :- try { false } | warning $[typing of expression [exp] is not yet implemented].
: list(TYPE) * list(TYPE) -> BOOL
typesCompatible([], []) = TRUE().
typesCompatible([], [_|_]) = FALSE().
typesCompatible([_|_], []) = FALSE().
typesCompatible([t1|t1s], [t2|t2s]) = andB(typeCompatibleB(t1, t2), typesCompatible(t1s, t2s)).
maps typeCompatible(list(*), *)
: TYPE * TYPE
typeCompatible(T1, T2) :- typeCompatibleB(T1, T2) == TRUE().
: TYPE * TYPE -> BOOL
typeCompatibleB(T1, T2) = FALSE(). //default
typeCompatibleB(T, T) = TRUE(). // same type is always type compatible
rules // utils
: BOOL * BOOL
or(b1, b2) :- orB(b1, b2) == TRUE().
: BOOL * BOOL -> BOOL
orB(_, _) = FALSE().
orB(TRUE(), _) = TRUE().
orB(FALSE(), TRUE()) = TRUE().
: BOOL * BOOL -> BOOL
andB(_, _) = FALSE().
andB(TRUE(), TRUE()) = TRUE().
: BOOL * BOOL
equalB(b, b).
equalB(_, _) :- false.
: BOOL -> BOOL
notB(TRUE()) = FALSE().
notB(FALSE()) = TRUE().
: list((path * (string * TYPE))) -> BOOL
emtpyQueryResultB([]) = TRUE().
emtpyQueryResultB([_ | _]) = FALSE().
: list(int) -> int
minOfList([]) = 100000.
minOfList([x|xs]) = z :- {y}
y == minOfList(xs),
z #= min(x,y).
: path -> scope
scopeFromPath(_PathEmpty(s)) = s.
scopeFromPath(_PathStep(_, _, s)) = s.
: path -> int
pathLength(_PathEmpty(_)) = 0.
pathLength(_PathStep(p, _, _)) = x :- {x'}
x' == pathLength(p),
x #= x' + 1.
: string * list(string)
noDuplicatesString(_, []).
noDuplicatesString("_IGNORE", _).
noDuplicatesString(x, ["_IGNORE" | ys]) :- noDuplicatesString(x, ys).
noDuplicatesString(x, [y | ys]) :- noDuplicatesString(x, ys).
noDuplicatesString(x, [x | _]) :- false.
: list((path * (string * TYPE))) * list((path * (string * TYPE))) -> list((path * (string * TYPE)))
addQueryResults([], ls) = ls.
addQueryResults([hd | tl], ls) = [hd | addQueryResults(tl, ls)].
// functional rule to drop all results with longer paths than the minimal
filterShortestPath : list((path * (string * TYPE))) -> list((path * (string * TYPE)))
filterShortestPath(ps) = filterShortestPath_internal(zipQueryResultsWithPathLength(ps), shortestPathLength(ps)).
: list((int * (path * (string * TYPE)))) * int -> list((path * (string * TYPE)))
filterShortestPath_internal([], _) = [].
filterShortestPath_internal([(x, r) | ps], x) = [r | filterShortestPath_internal(ps, x)].
filterShortestPath_internal([_ | ps], x) = filterShortestPath_internal(ps, x).
: list((path * (string * TYPE))) -> int
shortestPathLength([]) = 10000.
shortestPathLength([(p, _) | ps]) = z :- {x y}
x == pathLength(p),
y == shortestPathLength(ps),
z #= min(x, y).
zipQueryResultsWithPathLength maps zipQueryResultWithPathLength(list(*)) = list(*)
: (path * (string * TYPE)) -> (int * (path * (string * TYPE)))
zipQueryResultWithPathLength(r@(p, _)) = (pathLength(p), r).
maps queryResultType(list(*)) = list(*)
: (path * (string * TYPE)) -> TYPE
queryResultType((_, (_, t))) = t.
argNames maps argName(list(*)) = list(*)
: FormalArg -> string
argName(Arg(x, _)) = x.
|