ref: a920c765f2b4130590fb5971a50690b21664957a
dir: /doc/limbo/synsum/
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program:
Cimplement Iidentifier-listC ; Itop-declaration-sequence
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top-declaration-sequence:
top-declaration
top-declaration-sequence top-declaration
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top-declaration:
declaration
identifier-listC := IexpressionC ;I
identifier-listC = IexpressionC ;I
C( Iidentifier-listC ) := IexpressionC ;I
module-declaration
function-definition
adt-declaration
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declaration:
identifier-listC : ItypeC ;I
identifier-listC : ItypeC = IexpressionC ;I
identifier-listC : con IexpressionC ;I
Iidentifier-listC : import Iidentifier C;I
identifier-listC : typeI typeC ;I
identifier-listC : exceptionI tuple-typeO
Cinclude Istring-constantC ;I
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identifier-list:
identifier
identifier-listC , Iidentifier
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expression-list:
expression
expression-listC , Iexpression
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type:
data-type
function-type
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data-type:
CbyteI
CintI
CbigI
CrealI
CstringI
tuple-type
Carray of Idata-type
Clist of Idata-type
Cchan of Idata-type
adt-type
Cref Iadt-type
Cref Ifunction-type
module-type
module-qualified-type
type-name
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tuple-type:
C( Idata-type-listC )I
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data-type-list:
data-type
data-type-list C,I data-type
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adt-type:
identifier
module-qualified-type
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module-type:
identifier
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module-qualified-type:
identifier C->I identifier
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type-name:
identifier
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function-type:
Cfn Ifunction-arg-ret
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function-arg-ret:
C( Iformal-arg-listOC ) IraisesO
C( Iformal-arg-listOC ) : Idata-type raisesO
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formal-arg-list:
formal-arg
formal-arg-listC , Iformal-arg
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formal-arg:
nil-or-ID-listC : Itype
nil-or-IDC : self refO Iidentifier
nil-or-IDC : self Iidentifier
C*I
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nil-or-ID-list:
nil-or-ID
nil-or-ID-list C, Inil-or-ID
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nil-or-ID:
identifier
CnilI
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raises:
Craises ( Inil-or-ID-listC )I
CraisesI nil-or-ID
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module-declaration:
IidentifierC : module { Imod-member-listOC } ;I
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mod-member-list:
mod-member
mod-member-list mod-member
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mod-member:
identifier-listC : Ifunction-typeC ;I
identifier-listC : Idata-typeC ;I
adt-declarationC I
identifier-listC : con Iexpression C;I
identifier-listC : type Itype C;I
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adt-declaration:
IidentifierC : adt { Iadt-member-listOC } ;I
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adt-member-list:
adt-member
adt-member-list adt-member
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adt-member:
identifier-listC : cyclicO Idata-typeC ;I
identifier-listC : con IexpressionC ;I
identifier-listC : Ifunction-typeC ;I
Cpick { Ipick-member-listC }I
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pick-member-list:
pick-tag-listC =>I
pick-member-list pick-tag-listC =>I
pick-member-list identifier-listC : cyclicO Idata-typeC ;I
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pick-tag-list:
identifier
pick-tag-listC or Iidentifier
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function-definition:
function-name-part function-arg-retC { IstatementsC }I
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function-name-part:
identifier
function-name-partC . Iidentifier
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statements:
(empty)
statements declaration
statements statement
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statement:
expressionC ;I
C;I
C{ IstatementsC }I
Cif ( IexpressionC ) Istatement
Cif ( IexpressionC ) IstatementC else Istatement
labelO Cwhile ( IexpressionOC ) Istatement
labelO Cdo IstatementC while ( IexpressionOC ) ;I
labelO Cfor ( IexpressionOC ; IexpressionOC ; IexpressionOC ) Istatement
labelO Ccase IexpressionC { Iqual-statement-sequenceC }I
labelO Calt { Iqual-statement-sequenceC }I
labelO Cpick IidentifierC := IexpressionC { Ipqual-statement-sequenceC }I
Cbreak IidentifierOC ;I
Ccontinue IidentifierOC ;I
Creturn IexpressionOC ;I
Cspawn ItermC ( Iexpression-listOC ) ;I
Cexit ;I
Craise IexpressionOC ;I
C{ IstatementsC } exceptionI identifierOC{ Iqual-statement-sequenceC }I
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label:
identifier C:I
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qual-statement-sequence:
qual-listC =>I
qual-statement-sequence qual-listC =>I
qual-statement-sequence statement
qual-statement-sequence declaration
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qual-list:
qualifier
qual-listC or Iqualifier
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qualifier:
expression
expressionC to Iexpression
C*I
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pqual-statement-sequence:
pqual-listC =>I
pqual-statement-sequence pqual-listC =>I
pqual-statement-sequence statement
pqual-statement-sequence declaration
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pqual-list:
pqualifier
pqual-listC or Ipqualifier
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pqualifier:
identifier
C*I
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expression:
binary-expression
lvalue-expression assignment-operator expression
C( Ilvalue-expression-listC ) = Iexpression
send-expression
declare-expression
load-expression
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binary-expression:
monadic-expression
binary-expression binary-operator binary-expression
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binary-operator: one of
C** * / % + - << >> < > <= >= == != & ^ | :: && ||I
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assignment-operator: one of
C= &= |= ^= <<= >>= += -= *= /= %=I
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lvalue-expression:
identifier
CnilI
termC [ IexpressionC ]I
termC [ IexpressionC : ]I
termC . Iidentifier
C( Ilvalue-expression-listC )I
C* Imonadic-expression
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lvalue-expression-list:
lvalue-expression
lvalue-expression-listC , Ilvalue-expression
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expression:
term
monadic-operator monadic-expression
Carray [ IexpressionC ] of Idata-type
Carray [ IexpressionOC ] of { Iinit-listC }I
Clist of { Iexpression-listC }I
Cchan of Idata-type
Cchan [ IexpressionOC ] of Idata-type
data-type monadic-expression
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term:
identifier
constant
real-constant
string-constant
CnilI
C( Iexpression-listC )I
termC . Iidentifier
termC -> Iterm
termC ( Iexpression-listOC )I
termC [ IexpressionC ]I
termC [ IexpressionC : IexpressionC ]I
termC [ IexpressionC : ]I
termC ++I
termC --I
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monadic-operator: one of
C+ - ! ~ ref * ++ -- <- hd tl len tagofI
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init-list:
element
init-listC , Ielement
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element:
expression
expressionC => Iexpression
C* => Iexpression
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send-expression:
lvalue-expressionC <- = Iexpression
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declare-expression:
lvalue-expressionC := Iexpression
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load-expression:
Cload Iidentifier expression
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