ref: e81c54ba2ecc673a4d5f8aed0e9b52841fe07b0d
dir: /doc/limbo/synsum/
.s1
program:
Cimplement Iidentifier-listC ; Itop-declaration-sequence
.s2
.s1
top-declaration-sequence:
top-declaration
top-declaration-sequence top-declaration
.s2
.s1
top-declaration:
declaration
identifier-listC := IexpressionC ;I
identifier-listC = IexpressionC ;I
C( Iidentifier-listC ) := IexpressionC ;I
module-declaration
function-definition
adt-declaration
.s2
.s1
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
.s2
.s1
identifier-list:
identifier
identifier-listC , Iidentifier
.s2
.s1
expression-list:
expression
expression-listC , Iexpression
.s2
.s1
type:
data-type
function-type
.s2
.s1
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
.s2
.s1
tuple-type:
C( Idata-type-listC )I
.s2
.s1
data-type-list:
data-type
data-type-list C,I data-type
.s2
.s1
adt-type:
identifier
module-qualified-type
.s2
.s1
module-type:
identifier
.s2
.s1
module-qualified-type:
identifier C->I identifier
.s2
.s1
type-name:
identifier
.s2
.s1
function-type:
Cfn Ifunction-arg-ret
.s2
.s1
function-arg-ret:
C( Iformal-arg-listOC ) IraisesO
C( Iformal-arg-listOC ) : Idata-type raisesO
.s2
.s1
formal-arg-list:
formal-arg
formal-arg-listC , Iformal-arg
.s2
.s1
formal-arg:
nil-or-ID-listC : Itype
nil-or-IDC : self refO Iidentifier
nil-or-IDC : self Iidentifier
C*I
.s2
.s1
nil-or-ID-list:
nil-or-ID
nil-or-ID-list C, Inil-or-ID
.s2
.s1
nil-or-ID:
identifier
CnilI
.s2
.s1
raises:
Craises ( Inil-or-ID-listC )I
CraisesI nil-or-ID
.s2
.s1
module-declaration:
IidentifierC : module { Imod-member-listOC } ;I
.s2
.s1
mod-member-list:
mod-member
mod-member-list mod-member
.s2
.s1
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
.s2
.s1
adt-declaration:
IidentifierC : adt { Iadt-member-listOC } ;I
.s2
.s1
adt-member-list:
adt-member
adt-member-list adt-member
.s2
.s1
adt-member:
identifier-listC : cyclicO Idata-typeC ;I
identifier-listC : con IexpressionC ;I
identifier-listC : Ifunction-typeC ;I
Cpick { Ipick-member-listC }I
.s2
.s1
pick-member-list:
pick-tag-listC =>I
pick-member-list pick-tag-listC =>I
pick-member-list identifier-listC : cyclicO Idata-typeC ;I
.s2
.s1
pick-tag-list:
identifier
pick-tag-listC or Iidentifier
.s2
.s1
function-definition:
function-name-part function-arg-retC { IstatementsC }I
.s2
.s1
function-name-part:
identifier
function-name-partC . Iidentifier
.s2
.s1
statements:
(empty)
statements declaration
statements statement
.s2
.s1
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
.s2
.s1
label:
identifier C:I
.s2
.s1
qual-statement-sequence:
qual-listC =>I
qual-statement-sequence qual-listC =>I
qual-statement-sequence statement
qual-statement-sequence declaration
.s2
.s1
qual-list:
qualifier
qual-listC or Iqualifier
.s2
.s1
qualifier:
expression
expressionC to Iexpression
C*I
.s2
.s1
pqual-statement-sequence:
pqual-listC =>I
pqual-statement-sequence pqual-listC =>I
pqual-statement-sequence statement
pqual-statement-sequence declaration
.s2
.s1
pqual-list:
pqualifier
pqual-listC or Ipqualifier
.s2
.s1
pqualifier:
identifier
C*I
.s2
.s1
expression:
binary-expression
lvalue-expression assignment-operator expression
C( Ilvalue-expression-listC ) = Iexpression
send-expression
declare-expression
load-expression
.s2
.s1
binary-expression:
monadic-expression
binary-expression binary-operator binary-expression
.s2
.s1
binary-operator: one of
C** * / % + - << >> < > <= >= == != & ^ | :: && ||I
.s2
.s1
assignment-operator: one of
C= &= |= ^= <<= >>= += -= *= /= %=I
.s2
.s1
lvalue-expression:
identifier
CnilI
termC [ IexpressionC ]I
termC [ IexpressionC : ]I
termC . Iidentifier
C( Ilvalue-expression-listC )I
C* Imonadic-expression
.s2
.s1
lvalue-expression-list:
lvalue-expression
lvalue-expression-listC , Ilvalue-expression
.s2
.s1
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
.s2
.s1
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
.s2
.s1
monadic-operator: one of
C+ - ! ~ ref * ++ -- <- hd tl len tagofI
.s2
.s1
init-list:
element
init-listC , Ielement
.s2
.s1
element:
expression
expressionC => Iexpression
C* => Iexpression
.s2
.s1
send-expression:
lvalue-expressionC <- = Iexpression
.s2
.s1
declare-expression:
lvalue-expressionC := Iexpression
.s2
.s1
load-expression:
Cload Iidentifier expression
.s2