1
0
forked from GitHub/gf-core
Files
gf-core/src-3.0/GF/Source/ParGF.y
2008-05-21 13:10:54 +00:00

643 lines
16 KiB
Plaintext

-- This Happy file was machine-generated by the BNF converter
{
{-# OPTIONS -fno-warn-incomplete-patterns -fno-warn-overlapping-patterns #-}
module GF.Source.ParGF where
import GF.Source.AbsGF
import GF.Source.LexGF
import GF.Data.ErrM
import qualified Data.ByteString.Char8 as BS
}
%name pGrammar Grammar
%name pModDef ModDef
%name pOldGrammar OldGrammar
%partial pModHeader ModHeader
%name pExp Exp
-- no lexer declaration
%monad { Err } { thenM } { returnM }
%tokentype { Token }
%token
'!' { PT _ (TS _ 1) }
'#' { PT _ (TS _ 2) }
'$' { PT _ (TS _ 3) }
'%' { PT _ (TS _ 4) }
'(' { PT _ (TS _ 5) }
')' { PT _ (TS _ 6) }
'*' { PT _ (TS _ 7) }
'**' { PT _ (TS _ 8) }
'+' { PT _ (TS _ 9) }
'++' { PT _ (TS _ 10) }
',' { PT _ (TS _ 11) }
'-' { PT _ (TS _ 12) }
'->' { PT _ (TS _ 13) }
'.' { PT _ (TS _ 14) }
'/' { PT _ (TS _ 15) }
':' { PT _ (TS _ 16) }
';' { PT _ (TS _ 17) }
'<' { PT _ (TS _ 18) }
'=' { PT _ (TS _ 19) }
'=>' { PT _ (TS _ 20) }
'>' { PT _ (TS _ 21) }
'?' { PT _ (TS _ 22) }
'@' { PT _ (TS _ 23) }
'Lin' { PT _ (TS _ 24) }
'PType' { PT _ (TS _ 25) }
'Str' { PT _ (TS _ 26) }
'Strs' { PT _ (TS _ 27) }
'Tok' { PT _ (TS _ 28) }
'Type' { PT _ (TS _ 29) }
'[' { PT _ (TS _ 30) }
'\\' { PT _ (TS _ 31) }
']' { PT _ (TS _ 32) }
'_' { PT _ (TS _ 33) }
'abstract' { PT _ (TS _ 34) }
'case' { PT _ (TS _ 35) }
'cat' { PT _ (TS _ 36) }
'concrete' { PT _ (TS _ 37) }
'data' { PT _ (TS _ 38) }
'def' { PT _ (TS _ 39) }
'flags' { PT _ (TS _ 40) }
'fn' { PT _ (TS _ 41) }
'fun' { PT _ (TS _ 42) }
'grammar' { PT _ (TS _ 43) }
'in' { PT _ (TS _ 44) }
'include' { PT _ (TS _ 45) }
'incomplete' { PT _ (TS _ 46) }
'instance' { PT _ (TS _ 47) }
'interface' { PT _ (TS _ 48) }
'let' { PT _ (TS _ 49) }
'lin' { PT _ (TS _ 50) }
'lincat' { PT _ (TS _ 51) }
'lindef' { PT _ (TS _ 52) }
'lintype' { PT _ (TS _ 53) }
'of' { PT _ (TS _ 54) }
'open' { PT _ (TS _ 55) }
'oper' { PT _ (TS _ 56) }
'out' { PT _ (TS _ 57) }
'package' { PT _ (TS _ 58) }
'param' { PT _ (TS _ 59) }
'pattern' { PT _ (TS _ 60) }
'pre' { PT _ (TS _ 61) }
'printname' { PT _ (TS _ 62) }
'resource' { PT _ (TS _ 63) }
'reuse' { PT _ (TS _ 64) }
'strs' { PT _ (TS _ 65) }
'table' { PT _ (TS _ 66) }
'tokenizer' { PT _ (TS _ 67) }
'transfer' { PT _ (TS _ 68) }
'union' { PT _ (TS _ 69) }
'var' { PT _ (TS _ 70) }
'variants' { PT _ (TS _ 71) }
'where' { PT _ (TS _ 72) }
'with' { PT _ (TS _ 73) }
'{' { PT _ (TS _ 74) }
'|' { PT _ (TS _ 75) }
'}' { PT _ (TS _ 76) }
L_integ { PT _ (TI $$) }
L_quoted { PT _ (TL $$) }
L_doubl { PT _ (TD $$) }
L_LString { PT _ (T_LString $$) }
L_PIdent { PT _ (T_PIdent _) }
L_err { _ }
%%
Integer :: { Integer } : L_integ { (read (BS.unpack $1)) :: Integer }
String :: { String } : L_quoted { BS.unpack $1 }
Double :: { Double } : L_doubl { (read (BS.unpack $1)) :: Double }
LString :: { LString} : L_LString { LString ($1)}
PIdent :: { PIdent} : L_PIdent { PIdent (mkPosToken $1)}
Grammar :: { Grammar }
Grammar : ListModDef { Gr (reverse $1) }
ListModDef :: { [ModDef] }
ListModDef : {- empty -} { [] }
| ListModDef ModDef { flip (:) $1 $2 }
ModDef :: { ModDef }
ModDef : ModDef ';' { $1 }
| 'grammar' PIdent '=' '{' 'abstract' '=' PIdent ';' ListConcSpec '}' { MMain $2 $7 $9 }
| ComplMod ModType '=' ModBody { MModule $1 $2 $4 }
ConcSpec :: { ConcSpec }
ConcSpec : PIdent '=' ConcExp { ConcSpec $1 $3 }
ListConcSpec :: { [ConcSpec] }
ListConcSpec : {- empty -} { [] }
| ConcSpec { (:[]) $1 }
| ConcSpec ';' ListConcSpec { (:) $1 $3 }
ConcExp :: { ConcExp }
ConcExp : PIdent ListTransfer { ConcExp $1 (reverse $2) }
ListTransfer :: { [Transfer] }
ListTransfer : {- empty -} { [] }
| ListTransfer Transfer { flip (:) $1 $2 }
Transfer :: { Transfer }
Transfer : '(' 'transfer' 'in' Open ')' { TransferIn $4 }
| '(' 'transfer' 'out' Open ')' { TransferOut $4 }
ModHeader :: { ModDef }
ModHeader : ComplMod ModType '=' ModHeaderBody { MModule $1 $2 $4 }
ModHeaderBody :: { ModBody }
ModHeaderBody : Extend Opens { MBody $1 $2 [] }
| ListIncluded { MNoBody $1 }
| Included 'with' ListOpen { MWith $1 $3 }
| Included 'with' ListOpen '**' Opens { MWithBody $1 $3 $5 [] }
| ListIncluded '**' Included 'with' ListOpen { MWithE $1 $3 $5 }
| ListIncluded '**' Included 'with' ListOpen '**' Opens { MWithEBody $1 $3 $5 $7 [] }
| 'reuse' PIdent { MReuse $2 }
| 'union' ListIncluded { MUnion $2 }
ModType :: { ModType }
ModType : 'abstract' PIdent { MTAbstract $2 }
| 'resource' PIdent { MTResource $2 }
| 'interface' PIdent { MTInterface $2 }
| 'concrete' PIdent 'of' PIdent { MTConcrete $2 $4 }
| 'instance' PIdent 'of' PIdent { MTInstance $2 $4 }
| 'transfer' PIdent ':' Open '->' Open { MTTransfer $2 $4 $6 }
ModBody :: { ModBody }
ModBody : Extend Opens '{' ListTopDef '}' { MBody $1 $2 (reverse $4) }
| ListIncluded { MNoBody $1 }
| Included 'with' ListOpen { MWith $1 $3 }
| Included 'with' ListOpen '**' Opens '{' ListTopDef '}' { MWithBody $1 $3 $5 (reverse $7) }
| ListIncluded '**' Included 'with' ListOpen { MWithE $1 $3 $5 }
| ListIncluded '**' Included 'with' ListOpen '**' Opens '{' ListTopDef '}' { MWithEBody $1 $3 $5 $7 (reverse $9) }
| 'reuse' PIdent { MReuse $2 }
| 'union' ListIncluded { MUnion $2 }
ListTopDef :: { [TopDef] }
ListTopDef : {- empty -} { [] }
| ListTopDef TopDef { flip (:) $1 $2 }
Extend :: { Extend }
Extend : ListIncluded '**' { Ext $1 }
| {- empty -} { NoExt }
ListOpen :: { [Open] }
ListOpen : {- empty -} { [] }
| Open { (:[]) $1 }
| Open ',' ListOpen { (:) $1 $3 }
Opens :: { Opens }
Opens : {- empty -} { NoOpens }
| 'open' ListOpen 'in' { OpenIn $2 }
Open :: { Open }
Open : PIdent { OName $1 }
| '(' QualOpen PIdent ')' { OQualQO $2 $3 }
| '(' QualOpen PIdent '=' PIdent ')' { OQual $2 $3 $5 }
ComplMod :: { ComplMod }
ComplMod : {- empty -} { CMCompl }
| 'incomplete' { CMIncompl }
QualOpen :: { QualOpen }
QualOpen : {- empty -} { QOCompl }
| 'incomplete' { QOIncompl }
| 'interface' { QOInterface }
ListIncluded :: { [Included] }
ListIncluded : {- empty -} { [] }
| Included { (:[]) $1 }
| Included ',' ListIncluded { (:) $1 $3 }
Included :: { Included }
Included : PIdent { IAll $1 }
| PIdent '[' ListPIdent ']' { ISome $1 $3 }
| PIdent '-' '[' ListPIdent ']' { IMinus $1 $4 }
Def :: { Def }
Def : ListName ':' Exp { DDecl $1 $3 }
| ListName '=' Exp { DDef $1 $3 }
| Name ListPatt '=' Exp { DPatt $1 $2 $4 }
| ListName ':' Exp '=' Exp { DFull $1 $3 $5 }
TopDef :: { TopDef }
TopDef : 'cat' ListCatDef { DefCat $2 }
| 'fun' ListFunDef { DefFun $2 }
| 'data' ListFunDef { DefFunData $2 }
| 'def' ListDef { DefDef $2 }
| 'data' ListDataDef { DefData $2 }
| 'transfer' ListDef { DefTrans $2 }
| 'param' ListParDef { DefPar $2 }
| 'oper' ListDef { DefOper $2 }
| 'lincat' ListPrintDef { DefLincat $2 }
| 'lindef' ListDef { DefLindef $2 }
| 'lin' ListDef { DefLin $2 }
| 'printname' 'cat' ListPrintDef { DefPrintCat $3 }
| 'printname' 'fun' ListPrintDef { DefPrintFun $3 }
| 'flags' ListFlagDef { DefFlag $2 }
| 'printname' ListPrintDef { DefPrintOld $2 }
| 'lintype' ListDef { DefLintype $2 }
| 'pattern' ListDef { DefPattern $2 }
| 'package' PIdent '=' '{' ListTopDef '}' ';' { DefPackage $2 (reverse $5) }
| 'var' ListDef { DefVars $2 }
| 'tokenizer' PIdent ';' { DefTokenizer $2 }
CatDef :: { CatDef }
CatDef : PIdent ListDDecl { SimpleCatDef $1 (reverse $2) }
| '[' PIdent ListDDecl ']' { ListCatDef $2 (reverse $3) }
| '[' PIdent ListDDecl ']' '{' Integer '}' { ListSizeCatDef $2 (reverse $3) $6 }
FunDef :: { FunDef }
FunDef : ListPIdent ':' Exp { FunDef $1 $3 }
DataDef :: { DataDef }
DataDef : PIdent '=' ListDataConstr { DataDef $1 $3 }
DataConstr :: { DataConstr }
DataConstr : PIdent { DataId $1 }
| PIdent '.' PIdent { DataQId $1 $3 }
ListDataConstr :: { [DataConstr] }
ListDataConstr : {- empty -} { [] }
| DataConstr { (:[]) $1 }
| DataConstr '|' ListDataConstr { (:) $1 $3 }
ParDef :: { ParDef }
ParDef : PIdent '=' ListParConstr { ParDefDir $1 $3 }
| PIdent '=' '(' 'in' PIdent ')' { ParDefIndir $1 $5 }
| PIdent { ParDefAbs $1 }
ParConstr :: { ParConstr }
ParConstr : PIdent ListDDecl { ParConstr $1 (reverse $2) }
PrintDef :: { PrintDef }
PrintDef : ListName '=' Exp { PrintDef $1 $3 }
FlagDef :: { FlagDef }
FlagDef : PIdent '=' PIdent { FlagDef $1 $3 }
ListDef :: { [Def] }
ListDef : Def ';' { (:[]) $1 }
| Def ';' ListDef { (:) $1 $3 }
ListCatDef :: { [CatDef] }
ListCatDef : CatDef ';' { (:[]) $1 }
| CatDef ';' ListCatDef { (:) $1 $3 }
ListFunDef :: { [FunDef] }
ListFunDef : FunDef ';' { (:[]) $1 }
| FunDef ';' ListFunDef { (:) $1 $3 }
ListDataDef :: { [DataDef] }
ListDataDef : DataDef ';' { (:[]) $1 }
| DataDef ';' ListDataDef { (:) $1 $3 }
ListParDef :: { [ParDef] }
ListParDef : ParDef ';' { (:[]) $1 }
| ParDef ';' ListParDef { (:) $1 $3 }
ListPrintDef :: { [PrintDef] }
ListPrintDef : PrintDef ';' { (:[]) $1 }
| PrintDef ';' ListPrintDef { (:) $1 $3 }
ListFlagDef :: { [FlagDef] }
ListFlagDef : FlagDef ';' { (:[]) $1 }
| FlagDef ';' ListFlagDef { (:) $1 $3 }
ListParConstr :: { [ParConstr] }
ListParConstr : {- empty -} { [] }
| ParConstr { (:[]) $1 }
| ParConstr '|' ListParConstr { (:) $1 $3 }
ListPIdent :: { [PIdent] }
ListPIdent : PIdent { (:[]) $1 }
| PIdent ',' ListPIdent { (:) $1 $3 }
Name :: { Name }
Name : PIdent { IdentName $1 }
| '[' PIdent ']' { ListName $2 }
ListName :: { [Name] }
ListName : Name { (:[]) $1 }
| Name ',' ListName { (:) $1 $3 }
LocDef :: { LocDef }
LocDef : ListPIdent ':' Exp { LDDecl $1 $3 }
| ListPIdent '=' Exp { LDDef $1 $3 }
| ListPIdent ':' Exp '=' Exp { LDFull $1 $3 $5 }
ListLocDef :: { [LocDef] }
ListLocDef : {- empty -} { [] }
| LocDef { (:[]) $1 }
| LocDef ';' ListLocDef { (:) $1 $3 }
Exp6 :: { Exp }
Exp6 : PIdent { EIdent $1 }
| '{' PIdent '}' { EConstr $2 }
| '%' PIdent '%' { ECons $2 }
| Sort { ESort $1 }
| String { EString $1 }
| Integer { EInt $1 }
| Double { EFloat $1 }
| '?' { EMeta }
| '[' ']' { EEmpty }
| 'data' { EData }
| '[' PIdent Exps ']' { EList $2 $3 }
| '[' String ']' { EStrings $2 }
| '{' ListLocDef '}' { ERecord $2 }
| '<' ListTupleComp '>' { ETuple $2 }
| '(' 'in' PIdent ')' { EIndir $3 }
| '<' Exp ':' Exp '>' { ETyped $2 $4 }
| '(' Exp ')' { $2 }
| LString { ELString $1 }
Exp5 :: { Exp }
Exp5 : Exp5 '.' Label { EProj $1 $3 }
| '{' PIdent '.' PIdent '}' { EQConstr $2 $4 }
| '%' PIdent '.' PIdent { EQCons $2 $4 }
| Exp6 { $1 }
Exp4 :: { Exp }
Exp4 : Exp4 Exp5 { EApp $1 $2 }
| 'table' '{' ListCase '}' { ETable $3 }
| 'table' Exp6 '{' ListCase '}' { ETTable $2 $4 }
| 'table' Exp6 '[' ListExp ']' { EVTable $2 $4 }
| 'case' Exp 'of' '{' ListCase '}' { ECase $2 $5 }
| 'variants' '{' ListExp '}' { EVariants $3 }
| 'pre' '{' Exp ';' ListAltern '}' { EPre $3 $5 }
| 'strs' '{' ListExp '}' { EStrs $3 }
| PIdent '@' Exp6 { EConAt $1 $3 }
| '#' Patt2 { EPatt $2 }
| 'pattern' Exp5 { EPattType $2 }
| Exp5 { $1 }
| 'Lin' PIdent { ELin $2 }
Exp3 :: { Exp }
Exp3 : Exp3 '!' Exp4 { ESelect $1 $3 }
| Exp3 '*' Exp4 { ETupTyp $1 $3 }
| Exp3 '**' Exp4 { EExtend $1 $3 }
| Exp4 { $1 }
Exp1 :: { Exp }
Exp1 : Exp2 '+' Exp1 { EGlue $1 $3 }
| Exp2 { $1 }
Exp :: { Exp }
Exp : Exp1 '++' Exp { EConcat $1 $3 }
| '\\' ListBind '->' Exp { EAbstr $2 $4 }
| '\\' '\\' ListBind '=>' Exp { ECTable $3 $5 }
| Decl '->' Exp { EProd $1 $3 }
| Exp3 '=>' Exp { ETType $1 $3 }
| 'let' '{' ListLocDef '}' 'in' Exp { ELet $3 $6 }
| 'let' ListLocDef 'in' Exp { ELetb $2 $4 }
| Exp3 'where' '{' ListLocDef '}' { EWhere $1 $4 }
| 'fn' '{' ListEquation '}' { EEqs $3 }
| 'in' Exp5 String { EExample $2 $3 }
| Exp1 { $1 }
Exp2 :: { Exp }
Exp2 : Exp3 { $1 }
ListExp :: { [Exp] }
ListExp : {- empty -} { [] }
| Exp { (:[]) $1 }
| Exp ';' ListExp { (:) $1 $3 }
Exps :: { Exps }
Exps : {- empty -} { NilExp }
| Exp6 Exps { ConsExp $1 $2 }
Patt2 :: { Patt }
Patt2 : '?' { PChar }
| '[' String ']' { PChars $2 }
| '#' PIdent { PMacro $2 }
| '#' PIdent '.' PIdent { PM $2 $4 }
| '_' { PW }
| PIdent { PV $1 }
| '{' PIdent '}' { PCon $2 }
| PIdent '.' PIdent { PQ $1 $3 }
| Integer { PInt $1 }
| Double { PFloat $1 }
| String { PStr $1 }
| '{' ListPattAss '}' { PR $2 }
| '<' ListPattTupleComp '>' { PTup $2 }
| '(' Patt ')' { $2 }
Patt1 :: { Patt }
Patt1 : PIdent ListPatt { PC $1 $2 }
| PIdent '.' PIdent ListPatt { PQC $1 $3 $4 }
| Patt2 '*' { PRep $1 }
| PIdent '@' Patt2 { PAs $1 $3 }
| '-' Patt2 { PNeg $2 }
| Patt2 { $1 }
Patt :: { Patt }
Patt : Patt '|' Patt1 { PDisj $1 $3 }
| Patt '+' Patt1 { PSeq $1 $3 }
| Patt1 { $1 }
PattAss :: { PattAss }
PattAss : ListPIdent '=' Patt { PA $1 $3 }
Label :: { Label }
Label : PIdent { LIdent $1 }
| '$' Integer { LVar $2 }
Sort :: { Sort }
Sort : 'Type' { Sort_Type }
| 'PType' { Sort_PType }
| 'Tok' { Sort_Tok }
| 'Str' { Sort_Str }
| 'Strs' { Sort_Strs }
ListPattAss :: { [PattAss] }
ListPattAss : {- empty -} { [] }
| PattAss { (:[]) $1 }
| PattAss ';' ListPattAss { (:) $1 $3 }
ListPatt :: { [Patt] }
ListPatt : Patt2 { (:[]) $1 }
| Patt2 ListPatt { (:) $1 $2 }
Bind :: { Bind }
Bind : PIdent { BIdent $1 }
| '_' { BWild }
ListBind :: { [Bind] }
ListBind : {- empty -} { [] }
| Bind { (:[]) $1 }
| Bind ',' ListBind { (:) $1 $3 }
Decl :: { Decl }
Decl : '(' ListBind ':' Exp ')' { DDec $2 $4 }
| Exp4 { DExp $1 }
TupleComp :: { TupleComp }
TupleComp : Exp { TComp $1 }
PattTupleComp :: { PattTupleComp }
PattTupleComp : Patt { PTComp $1 }
ListTupleComp :: { [TupleComp] }
ListTupleComp : {- empty -} { [] }
| TupleComp { (:[]) $1 }
| TupleComp ',' ListTupleComp { (:) $1 $3 }
ListPattTupleComp :: { [PattTupleComp] }
ListPattTupleComp : {- empty -} { [] }
| PattTupleComp { (:[]) $1 }
| PattTupleComp ',' ListPattTupleComp { (:) $1 $3 }
Case :: { Case }
Case : Patt '=>' Exp { Case $1 $3 }
ListCase :: { [Case] }
ListCase : Case { (:[]) $1 }
| Case ';' ListCase { (:) $1 $3 }
Equation :: { Equation }
Equation : ListPatt '->' Exp { Equ $1 $3 }
ListEquation :: { [Equation] }
ListEquation : {- empty -} { [] }
| Equation { (:[]) $1 }
| Equation ';' ListEquation { (:) $1 $3 }
Altern :: { Altern }
Altern : Exp '/' Exp { Alt $1 $3 }
ListAltern :: { [Altern] }
ListAltern : {- empty -} { [] }
| Altern { (:[]) $1 }
| Altern ';' ListAltern { (:) $1 $3 }
DDecl :: { DDecl }
DDecl : '(' ListBind ':' Exp ')' { DDDec $2 $4 }
| Exp6 { DDExp $1 }
ListDDecl :: { [DDecl] }
ListDDecl : {- empty -} { [] }
| ListDDecl DDecl { flip (:) $1 $2 }
OldGrammar :: { OldGrammar }
OldGrammar : Include ListTopDef { OldGr $1 (reverse $2) }
Include :: { Include }
Include : {- empty -} { NoIncl }
| 'include' ListFileName { Incl $2 }
FileName :: { FileName }
FileName : String { FString $1 }
| PIdent { FIdent $1 }
| '/' FileName { FSlash $2 }
| '.' FileName { FDot $2 }
| '-' FileName { FMinus $2 }
| PIdent FileName { FAddId $1 $2 }
ListFileName :: { [FileName] }
ListFileName : FileName ';' { (:[]) $1 }
| FileName ';' ListFileName { (:) $1 $3 }
{
returnM :: a -> Err a
returnM = return
thenM :: Err a -> (a -> Err b) -> Err b
thenM = (>>=)
happyError :: [Token] -> Err a
happyError ts =
Bad $ "syntax error at " ++ tokenPos ts ++
case ts of
[] -> []
[Err _] -> " due to lexer error"
_ -> " before " ++ unwords (map (BS.unpack . prToken) (take 4 ts))
myLexer = tokens
}