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(..), IPName(..)
)
import CostCentre ( CostCentre(..), IsCafCC(..), IsDupdCC(..) )
-import Demand ( StrictnessMark(..) )
import Type ( Kind, mkArrowKind, liftedTypeKind, openTypeKind, usageTypeKind )
-import IdInfo ( InlinePragInfo(..) )
import ForeignCall ( ForeignCall(..), CCallConv(..), CCallSpec(..), CCallTarget(..) )
import Lex
tcName, varName, dataName, clsName, tvName,
EncodedFS
)
-import Module ( ModuleName, PackageName, mkSysModuleNameFS, mkModule )
+import Module ( ModuleName, PackageName, mkSysModuleNameFS )
import SrcLoc ( SrcLoc )
import CmdLineOpts ( opt_InPackage, opt_IgnoreIfacePragmas )
import Outputable
'__A' { ITarity }
'__P' { ITspecialise }
'__C' { ITnocaf }
- '__U' { ITunfold $$ }
+ '__U' { ITunfold }
'__S' { ITstrict $$ }
'__R' { ITrules }
'__M' { ITcprinfo }
'<-' { ITlarrow }
'->' { ITrarrow }
'@' { ITat }
+ '~' { ITtilde }
'=>' { ITdarrow }
'-' { ITminus }
'!' { ITbang }
QVARSYM { ITqvarsym $$ }
QCONSYM { ITqconsym $$ }
- IPVARID { ITipvarid $$ } -- GHC extension
+ IPDUPVARID { ITdupipvarid $$ } -- GHC extension
+ IPSPLITVARID { ITsplitipvarid $$ } -- GHC extension
PRAGMA { ITpragma $$ }
instance_decl_part
decls_part
rules_and_deprecs_part
- { ParsedIface {
- pi_mod = mkModule $3 $2, -- Module itself
+ { let (rules,deprecs) = $14 () in
+ ParsedIface {
+ pi_mod = $3, -- Module name
+ pi_pkg = $2, -- Package name
pi_vers = $4, -- Module version
pi_orphan = $6,
pi_exports = (fst $5, $9), -- Exports
pi_fixity = $11, -- Fixies
pi_insts = $12, -- Local instances
pi_decls = $13, -- Decls
- pi_rules = (snd $5,fst $14), -- Rules
- pi_deprecs = snd $14 -- Deprecations
+ pi_rules = (snd $5,rules), -- Rules
+ pi_deprecs = deprecs -- Deprecations
} }
-- Versions for exports and rules (optional)
| src_loc 'type' qtc_name tv_bndrs '=' type
{ TySynonym $3 $4 $6 $1 }
| src_loc 'foreign' 'type' qtc_name
- { ForeignType $4 DNType $1 }
+ { 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 _ id_info -> id_info
- PFailed err -> pprPanic "IdInfo parse failed"
+ Just (POk _ id_info) -> id_info
+ Just (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 [HsIdInfo RdrName] }
-pragma : src_loc PRAGMA { parseIdInfo $2 PState{ bol = 0#, atbol = 1#,
+pragma :: { Maybe (ParseResult [HsIdInfo RdrName]) }
+pragma : src_loc PRAGMA { Just (parseIdInfo $2 PState{ bol = 0#, atbol = 1#,
context = [],
glasgow_exts = 1#,
- loc = $1 }
+ loc = $1 })
}
-----------------------------------------------------------------------------
-rules_and_deprecs_part :: { ([RdrNameRuleDecl], IfaceDeprecs) }
-rules_and_deprecs_part : {- empty -} { ([], Nothing) }
- | 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 }
- }
+-- This production is lifted so that it doesn't get eagerly parsed when we
+-- use happy --strict.
+rules_and_deprecs_part :: { () -> ([RdrNameRuleDecl], IfaceDeprecs) }
+rules_and_deprecs_part
+ : {- empty -} { \_ -> ([], Nothing) }
+ | src_loc PRAGMA { \_ -> case parseRules $2 PState{ bol = 0#, atbol = 1#,
+ context = [],
+ glasgow_exts = 1#,
+ loc = $1 } of
+ POk _ rds -> rds
+ PFailed err -> pprPanic "Rules/Deprecations parse failed" err
+ }
rules_and_deprecs :: { ([RdrNameRuleDecl], IfaceDeprecs) }
rules_and_deprecs : rule_prag deprec_prag { ($1, $2) }
-
+
-----------------------------------------------------------------------------
rule_prag :: { [RdrNameRuleDecl] }
| 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 $2) }
+ | '[' '~' INTEGER ']' { ActiveBefore (fromInteger $3) }
rule_forall :: { [UfBinder RdrName] }
rule_forall : '__forall' '{' core_bndrs '}' { $3 }
package :: { PackageName }
: STRING { $1 }
- | {- empty -} { opt_InPackage } -- Useful for .hi-boot files,
- -- which can omit the package Id
- -- Module loops are always within a package
+ | {- empty -} { opt_InPackage }
+ -- Useful for .hi-boot files,
+ -- which can omit the package Id
+ -- Module loops are always within a package
mod_name :: { ModuleName }
: CONID { mkSysModuleNameFS $1 }
---------------------------------------------------
-var_fs :: { EncodedFS }
+var_fs :: { EncodedFS }
: VARID { $1 }
- | '!' { SLIT("!") }
| 'as' { SLIT("as") }
| 'qualified' { SLIT("qualified") }
| 'hiding' { SLIT("hiding") }
| 'ccall' { SLIT("ccall") }
| 'stdcall' { SLIT("stdcall") }
-qvar_fs :: { (EncodedFS, EncodedFS) }
- : QVARID { $1 }
- | QVARSYM { $1 }
-
var_occ :: { OccName }
: var_fs { mkSysOccFS varName $1 }
qvar_name :: { RdrName }
qvar_name : var_name { $1 }
- | qvar_fs { mkIfaceOrig varName $1 }
+ | QVARID { mkIfaceOrig varName $1 }
-ipvar_name :: { RdrName }
- : IPVARID { mkRdrUnqual (mkSysOccFS varName (tailFS $1)) }
+ipvar_name :: { IPName RdrName }
+ : IPDUPVARID { Dupable (mkRdrUnqual (mkSysOccFS varName $1)) }
+ | IPSPLITVARID { Linear (mkRdrUnqual (mkSysOccFS varName $1)) }
qvar_names1 :: { [RdrName] }
qvar_names1 : qvar_name { [$1] }
var_names1 : var_name var_names { $1 : $2 }
---------------------------------------------------
--- For some bizarre reason,
--- (,,,) is dealt with by the parser
--- Foo.(,,,) is dealt with by the lexer
--- Sigh
-
-data_fs :: { EncodedFS }
- : CONID { $1 }
- | CONSYM { $1 }
-
-qdata_fs :: { (EncodedFS, EncodedFS) }
- : QCONID { $1 }
- | QCONSYM { $1 }
data_occ :: { OccName }
- : data_fs { mkSysOccFS dataName $1 }
-
-data_name :: { RdrName }
- : data_occ { mkRdrUnqual $1 }
+ : CONID { mkSysOccFS dataName $1 }
qdata_name :: { RdrName }
-qdata_name : data_name { $1 }
- | qdata_fs { mkIfaceOrig dataName $1 }
+ : data_occ { mkRdrUnqual $1 }
+ | QCONID { mkIfaceOrig dataName $1 }
var_or_data_name :: { RdrName }
- : qvar_name { $1 }
- | qdata_name { $1 }
+ : qvar_name { $1 }
+ | qdata_name { $1 }
---------------------------------------------------
tc_occ :: { OccName }
- : data_fs { mkSysOccFS tcName $1 }
-
-tc_name :: { RdrName }
- : tc_occ { mkRdrUnqual $1 }
+ : CONID { mkSysOccFS tcName $1 }
qtc_name :: { RdrName }
- : tc_name { $1 }
- | qdata_fs { mkIfaceOrig tcName $1 }
+ : tc_occ { mkRdrUnqual $1 }
+ | QCONID { mkIfaceOrig tcName $1 }
---------------------------------------------------
-cls_name :: { RdrName }
- : data_fs { mkRdrUnqual (mkSysOccFS clsName $1) }
-
qcls_name :: { RdrName }
- : cls_name { $1 }
- | qdata_fs { mkIfaceOrig clsName $1 }
+ : CONID { mkRdrUnqual (mkSysOccFS clsName $1) }
+ | QCONID { mkIfaceOrig clsName $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 }
id_info_item :: { HsIdInfo RdrName }
: '__A' INTEGER { HsArity (fromInteger $2) }
- | '__U' inline_prag core_expr { HsUnfold $2 $3 }
- | '__M' { HsCprInfo }
- | '__S' { HsStrictness (mkStrictnessInfo $1) }
+ | '__U' activation core_expr { HsUnfold $2 $3 }
+ | '__S' { HsStrictness $1 }
| '__C' { HsNoCafRefs }
| '__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) }
-
-------------------------------------------------------
core_expr :: { UfExpr RdrName }
core_expr : '\\' core_bndrs '->' core_expr { foldr UfLam $4 $2 }
projects / ghc-hetmet.git / blobdiff