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Reduce IDL ambiguity by replacing *SP with [SP] #1711

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Apr 4, 2023
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20 changes: 10 additions & 10 deletions docs/source-1.0/spec/core/idl.rst
Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,7 @@ string support defined in `RFC 5234 <https://www.rfc-editor.org/rfc/rfc7405>`_.
SP :1*(%x20 / %x09) ; one or more spaces or tabs
NL :%x0A / %x0D.0A ; Newline: \n and \r\n
NotNL :%x09 / %x20-10FFFF ; Any character except newline
BR :*`SP` 1*(`Comment` / `NL`) [`WS`]; line break followed by whitespace
BR :[`SP`] 1*(`Comment` / `NL`) [`WS`]; line break followed by whitespace

.. rubric:: Comments

Expand All @@ -108,13 +108,13 @@ string support defined in `RFC 5234 <https://www.rfc-editor.org/rfc/rfc7405>`_.

.. productionlist:: smithy
ControlSection :*(`ControlStatement`)
ControlStatement :"$" `NodeObjectKey` *`SP` ":" *`SP` `NodeValue` `BR`
ControlStatement :"$" `NodeObjectKey` [`SP`] ":" [`SP`] `NodeValue` `BR`

.. rubric:: Metadata

.. productionlist:: smithy
MetadataSection :*(`MetadataStatement`)
MetadataStatement :%s"metadata" `SP` `NodeObjectKey` *`SP` "=" *`SP` `NodeValue` `BR`
MetadataStatement :%s"metadata" `SP` `NodeObjectKey` [`SP`] "=" [`SP`] `NodeValue` `BR`

.. rubric:: Node values

Expand Down Expand Up @@ -164,7 +164,7 @@ string support defined in `RFC 5234 <https://www.rfc-editor.org/rfc/rfc7405>`_.
Hex :DIGIT / %x41-46 / %x61-66
PreservedDouble :`Escape` (%x20-21 / %x23-5B / %x5D-10FFFF)
Escape :%x5C ; backslash
TextBlock :`ThreeDquotes` *`SP` `NL` *`QuotedChar` `ThreeDquotes`
TextBlock :`ThreeDquotes` [`SP`] `NL` *`QuotedChar` `ThreeDquotes`
ThreeDquotes :DQUOTE DQUOTE DQUOTE

.. rubric:: Shapes
Expand Down Expand Up @@ -193,33 +193,33 @@ string support defined in `RFC 5234 <https://www.rfc-editor.org/rfc/rfc7405>`_.
ListStatement :%s"list" `SP` `Identifier` [`WS`] `ListMembers`
ListMembers :"{" [`WS`] `ListMember` [`WS`] "}"
ListMember :`TraitStatements` `ExplicitListMember`
ExplicitListMember :%s"member" *`SP` ":" *`SP` `ShapeId`
ExplicitListMember :%s"member" [`SP`] ":" [`SP`] `ShapeId`
SetStatement :%s"set" `SP` `Identifier` [`WS`] `SetMembers`
SetMembers :"{" [`WS`] `SetMember` [`WS`] "}"
SetMember :`TraitStatements` `ExplicitSetMember`
ExplicitSetMember :%s"member" *`SP` ":" *`SP` `ShapeId`
ExplicitSetMember :%s"member" [`SP`] ":" [`SP`] `ShapeId`
MapStatement :%s"map" `SP` `Identifier` [`WS`] `MapMembers`
MapMembers :"{" [`WS`] `MapKey` `WS` `MapValue` [`WS`] "}"
MapKey :`TraitStatements` `ExplicitMapKey`
ExplicitMapKey :%s"key" *`SP` ":" *`SP` `ShapeId`
ExplicitMapKey :%s"key" [`SP`] ":" [`SP`] `ShapeId`
MapValue :`TraitStatements` `ExplicitMapValue`
ExplicitMapValue :%s"value" *`SP` ":" *`SP` `ShapeId`
ExplicitMapValue :%s"value" [`SP`] ":" [`SP`] `ShapeId`
StructureStatement :%s"structure" `SP` `Identifier` [`WS`] `StructureMembers`
StructureMembers :"{" [`WS`]
: [`StructureMember` [`WS`]
: *(`Comma` `StructureMember` [`WS`])
: `TrailingComma`]
: "}"
StructureMember :`TraitStatements` `ExplicitStructureMember`
ExplicitStructureMember :`Identifier` *`SP` ":" *`SP` `ShapeId`
ExplicitStructureMember :`Identifier` [`SP`] ":" [`SP`] `ShapeId`
UnionStatement :%s"union" `SP` `Identifier` [`WS`] `UnionMembers`
UnionMembers :"{" [`WS`]
: `UnionMember` [`WS`]
: *(`Comma` `UnionMember` [`WS`])
: `TrailingComma`
: "}"
UnionMember :`TraitStatements` `ExplicitUnionMember`
ExplicitUnionMember :`Identifier` *`SP` ":" *`SP` `ShapeId`
ExplicitUnionMember :`Identifier` [`SP`] ":" [`SP`] `ShapeId`
ServiceStatement :%s"service" `SP` `Identifier` [`WS`] `NodeObject`
ResourceStatement :%s"resource" `SP` `Identifier` [`WS`] `NodeObject`
OperationStatement :%s"operation" `SP` `Identifier` [`WS`] `NodeObject`
Expand Down
20 changes: 10 additions & 10 deletions docs/source-2.0/spec/idl.rst
Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,7 @@ string support defined in :rfc:`7405`.
SP :1*(%x20 / %x09) ; one or more spaces or tabs
NL :%x0A / %x0D.0A ; Newline: \n and \r\n
NotNL:%x09 / %x20-10FFFF ; Any character except newline
BR :*`SP` 1*(`Comment` / `NL`) [`WS`]; line break followed by whitespace
BR :[`SP`] 1*(`Comment` / `NL`) [`WS`]; line break followed by whitespace

.. rubric:: Comments

Expand All @@ -115,13 +115,13 @@ string support defined in :rfc:`7405`.

.. productionlist:: smithy
ControlSection :*(`ControlStatement`)
ControlStatement :"$" `NodeObjectKey` *`SP` ":" *`SP` `NodeValue` `BR`
ControlStatement :"$" `NodeObjectKey` [`SP`] ":" [`SP`] `NodeValue` `BR`

.. rubric:: Metadata

.. productionlist:: smithy
MetadataSection :*(`MetadataStatement`)
MetadataStatement :%s"metadata" `SP` `NodeObjectKey` *`SP` "=" *`SP` `NodeValue` `BR`
MetadataStatement :%s"metadata" `SP` `NodeObjectKey` [`SP`] "=" [`SP`] `NodeValue` `BR`

.. rubric:: Node values

Expand Down Expand Up @@ -160,7 +160,7 @@ string support defined in :rfc:`7405`.
UnicodeEscape :%s"u" `Hex` `Hex` `Hex` `Hex`
Hex :DIGIT / %x41-46 / %x61-66
Escape :%x5C ; backslash
TextBlock :`ThreeDquotes` *`SP` `NL` *`TextBlockContent` `ThreeDquotes`
TextBlock :`ThreeDquotes` [`SP`] `NL` *`TextBlockContent` `ThreeDquotes`
TextBlockContent :`QuotedChar` / (1*2DQUOTE 1*`QuotedChar`)
ThreeDquotes :DQUOTE DQUOTE DQUOTE

Expand Down Expand Up @@ -188,30 +188,30 @@ string support defined in :rfc:`7405`.
:/ %s"byte" / %s"short" / %s"integer" / %s"long"
:/ %s"float" / %s"double" / %s"bigInteger"
:/ %s"bigDecimal" / %s"timestamp"
Mixins :*`SP` %s"with" [`WS`] "[" 1*([`WS`] `ShapeId`) [`WS`] "]"
Mixins :[`SP`] %s"with" [`WS`] "[" 1*([`WS`] `ShapeId`) [`WS`] "]"
EnumShapeStatement :`EnumTypeName` `SP` `Identifier` [`Mixins`] [`WS`] `EnumShapeMembers`
EnumTypeName :%s"enum" / %s"intEnum"
EnumShapeMembers :"{" [`WS`] 1*(`TraitStatements` `Identifier` [`ValueAssignment`] [`WS`]) "}"
ValueAssignment :*`SP` "=" *`SP` `NodeValue` `BR`
ValueAssignment :[`SP`] "=" [`SP`] `NodeValue` `BR`
ListStatement :%s"list" `SP` `Identifier` [`Mixins`] [`WS`] `ListMembers`
ListMembers :"{" [`WS`] [`ListMember`] [`WS`] "}"
ListMember :`TraitStatements` (`ElidedListMember` / `ExplicitListMember`)
ElidedListMember :%s"$member"
ExplicitListMember :%s"member" *`SP` ":" *`SP` `ShapeId`
ExplicitListMember :%s"member" [`SP`] ":" [`SP`] `ShapeId`
MapStatement :%s"map" `SP` `Identifier` [`Mixins`] [`WS`] `MapMembers`
MapMembers :"{" [`WS`] [`MapKey` / `MapValue` / (`MapKey` `WS` `MapValue`)] [`WS`] "}"
MapKey :`TraitStatements` (`ElidedMapKey` / `ExplicitMapKey`)
MapValue :`TraitStatements` (`ElidedMapValue` / `ExplicitMapValue`)
ElidedMapKey :%s"$key"
ExplicitMapKey :%s"key" *`SP` ":" *`SP` `ShapeId`
ExplicitMapKey :%s"key" [`SP`] ":" [`SP`] `ShapeId`
ElidedMapValue :%s"$value"
ExplicitMapValue :%s"value" *`SP` ":" *`SP` `ShapeId`
ExplicitMapValue :%s"value" [`SP`] ":" [`SP`] `ShapeId`
StructureStatement :%s"structure" `SP` `Identifier` [`StructureResource`]
: [`Mixins`] [`WS`] `StructureMembers`
StructureResource :`SP` %s"for" `SP` `ShapeId`
StructureMembers :"{" [`WS`] *(`TraitStatements` `StructureMember` [`WS`]) "}"
StructureMember :(`ExplicitStructureMember` / `ElidedStructureMember`) [`ValueAssignment`]
ExplicitStructureMember :`Identifier` *`SP` ":" *`SP` `ShapeId`
ExplicitStructureMember :`Identifier` [`SP`] ":" [`SP`] `ShapeId`
ElidedStructureMember :"$" `Identifier`
UnionStatement :%s"union" `SP` `Identifier` [`Mixins`] [`WS`] `UnionMembers`
UnionMembers :"{" [`WS`] *(`TraitStatements` `UnionMember` [`WS`]) "}"
Expand Down