{
-module ParseIface ( parseIface, IfaceStuff(..) ) where
+module ParseIface ( parseIface, parseType, parseRules, parseIdInfo ) where
#include "HsVersions.h"
import RdrHsSyn -- oodles of synonyms
import HsTypes ( mkHsForAllTy, mkHsTupCon )
import HsCore
-import Demand ( mkStrictnessInfo )
import Literal ( Literal(..), mkMachInt, mkMachInt64, mkMachWord, mkMachWord64 )
-import BasicTypes ( Fixity(..), FixityDirection(..),
- NewOrData(..), Version, initialVersion, Boxity(..)
+import BasicTypes ( Fixity(..), FixityDirection(..), StrictnessMark(..),
+ NewOrData(..), Version, initialVersion, Boxity(..),
+ Activation(..)
)
import CostCentre ( CostCentre(..), IsCafCC(..), IsDupdCC(..) )
-import CallConv ( cCallConv )
-import Type ( Kind, mkArrowKind, boxedTypeKind, openTypeKind, usageTypeKind )
-import IdInfo ( exactArity, InlinePragInfo(..) )
-import PrimOp ( CCall(..), CCallTarget(..) )
+import Type ( Kind, mkArrowKind, liftedTypeKind, openTypeKind, usageTypeKind )
+import IdInfo ( InlinePragInfo(..) )
+import ForeignCall ( ForeignCall(..), CCallConv(..), CCallSpec(..), CCallTarget(..) )
import Lex
import RnMonad ( ParsedIface(..), ExportItem, IfaceDeprecs )
import RdrName ( RdrName, mkRdrUnqual, mkIfaceOrig )
import Name ( OccName )
import OccName ( mkSysOccFS,
- tcName, varName, ipName, dataName, clsName, tvName,
+ tcName, varName, dataName, clsName, tvName,
EncodedFS
)
import Module ( ModuleName, PackageName, mkSysModuleNameFS, mkModule )
import FastString ( tailFS )
}
-%name parseIface
+%name parseIface iface
+%name parseType type
+%name parseIdInfo id_info
+%name parseRules rules_and_deprecs
+
%tokentype { Token }
%monad { P }{ thenP }{ returnP }
%lexer { lexer } { ITeof }
'__A' { ITarity }
'__P' { ITspecialise }
'__C' { ITnocaf }
- '__U' { ITunfold $$ }
+ '__U' { ITunfold }
'__S' { ITstrict $$ }
'__R' { ITrules }
'__M' { ITcprinfo }
UNKNOWN { ITunknown $$ }
%%
--- iface_stuff is the main production.
--- It recognises (a) a whole interface file
--- (b) a type (so that type sigs can be parsed lazily)
--- (c) the IdInfo part of a signature (same reason)
-
-iface_stuff :: { IfaceStuff }
-iface_stuff : iface { PIface $1 }
- | type { PType $1 }
- | id_info { PIdInfo $1 }
- | rules_and_deprecs { PRulesAndDeprecs $1 }
-
iface :: { ParsedIface }
iface : '__interface' package mod_name
version sub_versions
{ IfaceSig $2 $4 ($5 $2) $1 }
| src_loc 'type' qtc_name tv_bndrs '=' type
{ TySynonym $3 $4 $6 $1 }
+ | src_loc 'foreign' 'type' qtc_name
+ { ForeignType $4 Nothing DNType $1 }
| src_loc 'data' opt_decl_context qtc_name tv_bndrs constrs
{ mkTyData DataType $3 $4 $5 $6 (length $6) Nothing $1 }
| src_loc 'newtype' opt_decl_context qtc_name tv_bndrs newtype_constr
maybe_idinfo : {- empty -} { \_ -> [] }
| pragma { \x -> if opt_IgnoreIfacePragmas then []
else case $1 of
- POk _ (PIdInfo id_info) -> id_info
+ POk _ id_info -> id_info
PFailed err -> pprPanic "IdInfo parse failed"
(vcat [ppr x, err])
}
dates from a time where we picked up a .hi file first if it existed.]
-}
-pragma :: { ParseResult IfaceStuff }
-pragma : src_loc PRAGMA { parseIface $2 PState{ bol = 0#, atbol = 1#,
+pragma :: { ParseResult [HsIdInfo RdrName] }
+pragma : src_loc PRAGMA { parseIdInfo $2 PState{ bol = 0#, atbol = 1#,
context = [],
glasgow_exts = 1#,
loc = $1 }
rules_and_deprecs_part :: { ([RdrNameRuleDecl], IfaceDeprecs) }
rules_and_deprecs_part : {- empty -} { ([], Nothing) }
- | pragma { case $1 of
- POk _ (PRulesAndDeprecs rds) -> rds
+ | rules_prag { case $1 of
+ POk _ rds -> rds
PFailed err -> pprPanic "Rules/Deprecations parse failed" err
}
+rules_prag :: { ParseResult ([RdrNameRuleDecl], IfaceDeprecs) }
+rules_prag : src_loc PRAGMA { parseRules $2 PState{ bol = 0#, atbol = 1#,
+ context = [],
+ glasgow_exts = 1#,
+ loc = $1 }
+ }
+
rules_and_deprecs :: { ([RdrNameRuleDecl], IfaceDeprecs) }
rules_and_deprecs : rule_prag deprec_prag { ($1, $2) }
| rule ';' rules { $1:$3 }
rule :: { RdrNameRuleDecl }
-rule : src_loc STRING rule_forall qvar_name
- core_args '=' core_expr { IfaceRule $2 $3 $4 $5 $7 $1 }
+rule : src_loc STRING activation rule_forall qvar_name
+ core_args '=' core_expr { IfaceRule $2 $3 $4 $5 $6 $8 $1 }
+
+activation :: { Activation }
+activation : {- empty -} { AlwaysActive }
+ | INTEGER { ActiveAfter (fromInteger $1) }
rule_forall :: { [UfBinder RdrName] }
rule_forall : '__forall' '{' core_bndrs '}' { $3 }
-- We use "data_fs" so as to include ()
newtype_constr :: { [RdrNameConDecl] {- Not allowed to be empty -} }
-newtype_constr : src_loc '=' ex_stuff qdata_name atype { [mk_con_decl $4 $3 (VanillaCon [Unbanged $5]) $1] }
+newtype_constr : src_loc '=' ex_stuff qdata_name atype { [mk_con_decl $4 $3 (VanillaCon [unbangedType $5]) $1] }
| src_loc '=' ex_stuff qdata_name '{' qvar_name '::' atype '}'
- { [mk_con_decl $4 $3 (RecCon [([$6], Unbanged $8)]) $1] }
+ { [mk_con_decl $4 $3 (RecCon [([$6], unbangedType $8)]) $1] }
ex_stuff :: { ([HsTyVarBndr RdrName], RdrNameContext) }
ex_stuff : { ([],[]) }
| batype batypes { $1 : $2 }
batype :: { RdrNameBangType }
-batype : tatype { Unbanged $1 }
- | '!' tatype { Banged $2 }
- | '!' '!' tatype { Unpacked $3 }
+batype : tatype { unbangedType $1 }
+ | '!' tatype { BangType MarkedStrict $2 }
+ | '!' '!' tatype { BangType MarkedUnboxed $3 }
fields1 :: { [([RdrName], RdrNameBangType)] }
fields1 : field { [$1] }
| field ',' fields1 { $1 : $3 }
field :: { ([RdrName], RdrNameBangType) }
-field : qvar_names1 '::' ttype { ($1, Unbanged $3) }
- | qvar_names1 '::' '!' ttype { ($1, Banged $4) }
- | qvar_names1 '::' '!' '!' ttype { ($1, Unpacked $5) }
+field : qvar_names1 '::' ttype { ($1, unbangedType $3) }
+ | qvar_names1 '::' '!' ttype { ($1, BangType MarkedStrict $4) }
+ | qvar_names1 '::' '!' '!' ttype { ($1, BangType MarkedUnboxed $5) }
--------------------------------------------------------------------------
| class ',' context_list1 { $1 : $3 }
class :: { HsPred RdrName }
-class : qcls_name atypes { (HsPClass $1 $2) }
- | ipvar_name '::' type { (HsPIParam $1 $3) }
+class : qcls_name atypes { (HsClassP $1 $2) }
+ | ipvar_name '::' type { (HsIParam $1 $3) }
types0 :: { [RdrNameHsType] {- Zero or more -} }
types0 : {- empty -} { [ ] }
---------------------------------------------------
-var_fs :: { EncodedFS }
+var_fs :: { EncodedFS }
: VARID { $1 }
- | '!' { SLIT("!") }
| 'as' { SLIT("as") }
| 'qualified' { SLIT("qualified") }
| 'hiding' { SLIT("hiding") }
| qvar_fs { mkIfaceOrig varName $1 }
ipvar_name :: { RdrName }
- : IPVARID { mkRdrUnqual (mkSysOccFS ipName (tailFS $1)) }
+ : IPVARID { mkRdrUnqual (mkSysOccFS varName (tailFS $1)) }
qvar_names1 :: { [RdrName] }
qvar_names1 : qvar_name { [$1] }
---------------------------------------------------
tv_name :: { RdrName }
- : VARID { mkRdrUnqual (mkSysOccFS tvName $1) }
+ : var_fs { mkRdrUnqual (mkSysOccFS tvName $1) }
tv_bndr :: { HsTyVarBndr RdrName }
: tv_name '::' akind { IfaceTyVar $1 $3 }
- | tv_name { IfaceTyVar $1 boxedTypeKind }
+ | tv_name { IfaceTyVar $1 liftedTypeKind }
tv_bndrs :: { [HsTyVarBndr RdrName] }
: tv_bndrs1 { $1 }
akind :: { Kind }
: VARSYM { if $1 == SLIT("*") then
- boxedTypeKind
+ liftedTypeKind
else if $1 == SLIT("?") then
openTypeKind
else if $1 == SLIT("\36") then
| id_info_item id_info { $1 : $2 }
id_info_item :: { HsIdInfo RdrName }
- : '__A' INTEGER { HsArity (exactArity (fromInteger $2)) }
+ : '__A' INTEGER { HsArity (fromInteger $2) }
| '__U' inline_prag core_expr { HsUnfold $2 $3 }
- | '__M' { HsCprInfo }
- | '__S' { HsStrictness (mkStrictnessInfo $1) }
+ | '__S' { HsStrictness $1 }
| '__C' { HsNoCafRefs }
- | '__P' qvar_name { HsWorker $2 }
+ | '__P' qvar_name INTEGER { HsWorker $2 (fromInteger $3) }
inline_prag :: { InlinePragInfo }
- : {- empty -} { NoInlinePragInfo }
- | '[' from_prag phase ']' { IMustNotBeINLINEd $2 $3 }
-
-from_prag :: { Bool }
- : {- empty -} { True }
- | '!' { False }
-
-phase :: { Maybe Int }
- : {- empty -} { Nothing }
- | INTEGER { Just (fromInteger $1) }
+ : {- empty -} { AlwaysActive }
+ | '[' INTEGER ']' { ActiveAfter (fromInteger $2) }
-------------------------------------------------------
core_expr :: { UfExpr RdrName }
{ let
(is_dyn, is_casm, may_gc) = $2
- target | is_dyn = DynamicTarget (error "CCall dyn target bogus unique")
+ target | is_dyn = DynamicTarget
+ | is_casm = CasmTarget $3
| otherwise = StaticTarget $3
- ccall = CCall target is_casm may_gc cCallConv
+ ccall = CCallSpec target CCallConv may_gc
in
- UfCCall ccall $4
+ UfFCall (CCall ccall) $4
}
core_tv_bndr :: { UfBinder RdrName }
core_tv_bndr : '@' tv_name '::' akind { UfTyBinder $2 $4 }
- | '@' tv_name { UfTyBinder $2 boxedTypeKind }
+ | '@' tv_name { UfTyBinder $2 liftedTypeKind }
ccall_string :: { FAST_STRING }
: STRING { $1 }
happyError :: P a
happyError buf PState{ loc = loc } = PFailed (ifaceParseErr buf loc)
-data IfaceStuff = PIface ParsedIface
- | PIdInfo [HsIdInfo RdrName]
- | PType RdrNameHsType
- | PRulesAndDeprecs ([RdrNameRuleDecl], IfaceDeprecs)
-
mk_con_decl name (ex_tvs, ex_ctxt) details loc = mkConDecl name ex_tvs ex_ctxt details loc
}
projects / ghc-hetmet.git / blobdiff