Poosl.sdf3
pdmosses/metaborg-poosl/org.metaborg.lang.poosl/syntax/Poosl.sdf3
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module Poosl
imports
Common
ExprStat
context-free start-symbols
Poosl
context-free sorts
Poosl
ImportList
Import
Annotation
OptAnnotationArgs
Class
ClassList
DataMethodList
DataMethod
NativeClause
DeclarationOptComma
ProcessMethodList
ProcessMethod
Port
MessageSignatureList
MessageSignature
Instance
OptInstanceParameterList
InstanceParameter
Channel
PortInstance
PortInstanceList
context-free syntax
Poosl.Poosl = [
[ImportList]
[ClassList]
]
ImportList.ImportList = [[{Import "\n"}*]]
ClassList.ClassList = [[{Class "\n\n"}*]]
// === Multiple files =======
Import.Import = [import [STRING]]
Import.ImportLib = [importlib [STRING]]
// === Annotation =======
.AnnotationList = Annotation*
Annotation.Annotation = [@[ID][OptAnnotationArgs]]
OptAnnotationArgs.AnnotationArgs = [([{ExpressionConstant ", "}*])]
OptAnnotationArgs.NoAnnotationArgs = []
// === Data Class =======
Class.DataClass = [
[AnnotationList]
[NativeClause] data class [ID] [ExtendsClause]
variables
[DeclarationOptCommaList]
methods
[DataMethodList]
]
DataMethodList.DataMethodList = [[{DataMethod "\n\n"}*]]
DataMethod.DataMethodNamed = [
[AnnotationList]
[ID][OptParameterList] : [ID] [OptLocalVariableList]
[Expression]
]
DataMethod.DataMethodUnary = [
[AnnotationList]
[UnaryOperator][OptEmptyList] : [ID] [OptLocalVariableList]
[Expression]
]
DataMethod.DataMethodBinary = [
[AnnotationList]
[OperatorBinary]([Declaration]) : [ID] [OptLocalVariableList]
[Expression]
]
DataMethod.DataMethodNamedNative = [
native [ID][OptParameterList] : [ID]
]
DataMethod.DataMethodUnaryNative = [
native [UnaryOperator][OptEmptyList] : [ID]
]
DataMethod.DataMethodBinaryNative = [
native [OperatorBinary]([Declaration]) : [ID]
]
.NoList = []
.EmptyList = [()]
.OperatorBinary2 = BinaryOperatorLevel2
.OperatorBinary3 = BinaryOperatorLevel3
.OperatorBinary4 = BinaryOperatorLevel4
NativeClause.Native = [native]
NativeClause.NotNative = []
.Extends = [extends [ID]]
.NoExtends = []
.IDList = [[{ID ", "}*]]
.Declaration = [[IDList] : [ID]]
DeclarationOptComma.DeclarationWithComma = [[IDList] : [ID],]
DeclarationOptComma.DeclarationWithoutComma = [[IDList] : [ID]]
.DeclarationOptCommaList = [[{DeclarationOptComma "\n"}*]]
.ParameterList = [([{Declaration ", "}*])]
.Parameters = [([{Declaration ", "}*])]
.NoParameters = []
.LocalVariables = [| [{Declaration ", "}*] |]
.NoLocalVariables = []
// === Process Class =======
Class.ProcessClass = [
[AnnotationList]
process class [ID][OptParameterList] [ExtendsClause]
ports
[PortList]
messages
[MessageSignatureList]
variables
[DeclarationOptCommaList]
init
[ProcessMethodCall]
methods
[ProcessMethodList]
]
ProcessMethodList.ProcessMethodList = [[{ProcessMethod "\n\n"}*]]
ProcessMethod.ProcessMethod = [
[AnnotationList]
[ID][ParameterList][ParameterList] [OptLocalVariableList]
[Statement]
]
.PortList = [[{Port "\n"}*]]
Port.Port = [[ID][OptionalComma]]
MessageSignatureList.MessageSignatureList = [[{MessageSignature "\n"}*]]
MessageSignature.MessageReceiveSignature = [[ID]?[ID][OptMessageParameterList][OptionalComma]]
MessageSignature.MessageSendSignature = [[ID]![ID][OptMessageParameterList][OptionalComma]]
.MessageParameters = [([{ID ", "}*])]
.NoMessageParameters = []
// === System and Cluster Class =======
Class.System = [
[AnnotationList]
system
instances
[InstanceList]
channels
[ChannelList]
]
Class.ClusterClass = [
[AnnotationList]
cluster class [ID][OptParameterList]
ports
[PortList]
instances
[InstanceList]
channels
[ChannelList]
]
.InstanceList = [[{Instance "\n"}*]]
Instance.Instance = [
[AnnotationList]
[ID] : [ID][OptInstanceParameterList]
]
OptInstanceParameterList.InstanceParameters = [([{InstanceParameter ", "}*])]
OptInstanceParameterList.NoInstanceParameters = []
InstanceParameter.InstanceParameter = [[ID] := [Expression]]
.ChannelList = [[{Channel "\n"}*]]
Channel.Channel = [
[AnnotationList]
{ [PortInstanceList] }
]
PortInstanceList.PortInstanceList = [[{PortInstance ", "}+]]
PortInstance.InternalPort = [[ID].[ID]]
PortInstance.ExternalPort = ID
// === Workarounds =======
.Comma = [,]
.NoComma = []
lexical syntax // keywords
= "import" {reject}
= "importlib" {reject}
= "data" {reject}
= "process" {reject}
= "cluster" {reject}
= "system" {reject}
= "native" {reject}
// Note: No reserved words!
// ID = "class" {reject}
// ID = "extends" {reject}
// ID = "variables" {reject}
// ID = "methods" {reject}
// ID = "ports" {reject}
// ID = "messages" {reject}
// ID = "init" {reject}
// ID = "channels" {reject}
// ID = "instances" {reject}
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