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Refactor BufferLocalStore related code (#17959)
* move BufferLocalStore related code to LexerStore.fs * removed unnecessary reset of BufferLocalStore
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| Original file line number | Diff line number | Diff line change |
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| // Copyright (c) Microsoft Corporation. All Rights Reserved. See License.txt in the project root for license information. | ||
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| module internal FSharp.Compiler.LexerStore | ||
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| open FSharp.Compiler.SyntaxTreeOps | ||
| open FSharp.Compiler.SyntaxTrivia | ||
| open FSharp.Compiler.UnicodeLexing | ||
| open FSharp.Compiler.Text | ||
| open FSharp.Compiler.Text.Position | ||
| open FSharp.Compiler.Text.Range | ||
| open FSharp.Compiler.Xml | ||
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| //------------------------------------------------------------------------ | ||
| // Lexbuf.BufferLocalStore is used during lexing/parsing of a file for different purposes. | ||
| // All access happens through the functions and modules below. | ||
| //------------------------------------------------------------------------ | ||
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| let private getStoreData<'T when 'T: not null> (lexbuf: Lexbuf) key (getInitialData: unit -> 'T) = | ||
| let store = lexbuf.BufferLocalStore | ||
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| match store.TryGetValue key with | ||
| | true, data -> data :?> 'T | ||
| | _ -> | ||
| let data = getInitialData () | ||
| store[key] <- data | ||
| data | ||
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| let private tryGetStoreData<'T when 'T: not null> (lexbuf: Lexbuf) key = | ||
| let store = lexbuf.BufferLocalStore | ||
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| match store.TryGetValue key with | ||
| | true, data -> Some(data :?> 'T) | ||
| | _ -> None | ||
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| let private setStoreData (lexbuf: Lexbuf) key data = lexbuf.BufferLocalStore[key] <- data | ||
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| //------------------------------------------------------------------------ | ||
| // A SynArgNameGenerator for the current file, used by the parser | ||
| //------------------------------------------------------------------------ | ||
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| let getSynArgNameGenerator (lexbuf: Lexbuf) = | ||
| getStoreData lexbuf "SynArgNameGenerator" SynArgNameGenerator | ||
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| //------------------------------------------------------------------------ | ||
| // A XmlDocCollector, used to hold the current accumulated Xml doc lines, and related access functions | ||
| //------------------------------------------------------------------------ | ||
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| [<RequireQualifiedAccess>] | ||
| module XmlDocStore = | ||
| let private xmlDocKey = "XmlDoc" | ||
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| let private getCollector (lexbuf: Lexbuf) = | ||
| getStoreData lexbuf xmlDocKey XmlDocCollector | ||
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| /// Called from the lexer to save a single line of XML doc comment. | ||
| let SaveXmlDocLine (lexbuf: Lexbuf, lineText, range: range) = | ||
| let collector = getCollector lexbuf | ||
| collector.AddXmlDocLine(lineText, range) | ||
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| let AddGrabPoint (lexbuf: Lexbuf) = | ||
| let collector = getCollector lexbuf | ||
| let startPos = lexbuf.StartPos | ||
| collector.AddGrabPoint(mkPos startPos.Line startPos.Column) | ||
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| /// Allowed cases when there are comments after XmlDoc | ||
| /// | ||
| /// /// X xmlDoc | ||
| /// // comment | ||
| /// //// comment | ||
| /// (* multiline comment *) | ||
| /// let x = ... // X xmlDoc | ||
| /// | ||
| /// Remember the first position when a comment (//, (* *), ////) is encountered after the XmlDoc block | ||
| /// then add a grab point if a new XmlDoc block follows the comments | ||
| let AddGrabPointDelayed (lexbuf: Lexbuf) = | ||
| let collector = getCollector lexbuf | ||
| let startPos = lexbuf.StartPos | ||
| collector.AddGrabPointDelayed(mkPos startPos.Line startPos.Column) | ||
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| /// Called from the parser each time we parse a construct that marks the end of an XML doc comment range, | ||
| /// e.g. a 'type' declaration. The markerRange is the range of the keyword that delimits the construct. | ||
| let GrabXmlDocBeforeMarker (lexbuf: Lexbuf, markerRange: range) = | ||
| match tryGetStoreData lexbuf xmlDocKey with | ||
| | Some collector -> PreXmlDoc.CreateFromGrabPoint(collector, markerRange.Start) | ||
| | _ -> PreXmlDoc.Empty | ||
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| let ReportInvalidXmlDocPositions (lexbuf: Lexbuf) = | ||
| let collector = getCollector lexbuf | ||
| collector.CheckInvalidXmlDocPositions() | ||
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| //------------------------------------------------------------------------ | ||
| // Storage to hold the current accumulated ConditionalDirectiveTrivia, and related types and access functions | ||
| //------------------------------------------------------------------------ | ||
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| type LexerIfdefExpression = | ||
| | IfdefAnd of LexerIfdefExpression * LexerIfdefExpression | ||
| | IfdefOr of LexerIfdefExpression * LexerIfdefExpression | ||
| | IfdefNot of LexerIfdefExpression | ||
| | IfdefId of string | ||
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| let rec LexerIfdefEval (lookup: string -> bool) = | ||
| function | ||
| | IfdefAnd(l, r) -> (LexerIfdefEval lookup l) && (LexerIfdefEval lookup r) | ||
| | IfdefOr(l, r) -> (LexerIfdefEval lookup l) || (LexerIfdefEval lookup r) | ||
| | IfdefNot e -> not (LexerIfdefEval lookup e) | ||
| | IfdefId id -> lookup id | ||
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| [<RequireQualifiedAccess>] | ||
| module IfdefStore = | ||
| let private getStore (lexbuf: Lexbuf) = | ||
| getStoreData lexbuf "Ifdef" ResizeArray<ConditionalDirectiveTrivia> | ||
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| let private mkRangeWithoutLeadingWhitespace (lexed: string) (m: range) : range = | ||
| let startColumn = lexed.Length - lexed.TrimStart().Length | ||
| mkFileIndexRange m.FileIndex (mkPos m.StartLine startColumn) m.End | ||
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| let SaveIfHash (lexbuf: Lexbuf, lexed: string, expr: LexerIfdefExpression, range: range) = | ||
| let store = getStore lexbuf | ||
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| let expr = | ||
| let rec visit (expr: LexerIfdefExpression) : IfDirectiveExpression = | ||
| match expr with | ||
| | LexerIfdefExpression.IfdefAnd(l, r) -> IfDirectiveExpression.And(visit l, visit r) | ||
| | LexerIfdefExpression.IfdefOr(l, r) -> IfDirectiveExpression.Or(visit l, visit r) | ||
| | LexerIfdefExpression.IfdefNot e -> IfDirectiveExpression.Not(visit e) | ||
| | LexerIfdefExpression.IfdefId id -> IfDirectiveExpression.Ident id | ||
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| visit expr | ||
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| let m = mkRangeWithoutLeadingWhitespace lexed range | ||
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| store.Add(ConditionalDirectiveTrivia.If(expr, m)) | ||
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| let SaveElseHash (lexbuf: Lexbuf, lexed: string, range: range) = | ||
| let store = getStore lexbuf | ||
| let m = mkRangeWithoutLeadingWhitespace lexed range | ||
| store.Add(ConditionalDirectiveTrivia.Else(m)) | ||
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| let SaveEndIfHash (lexbuf: Lexbuf, lexed: string, range: range) = | ||
| let store = getStore lexbuf | ||
| let m = mkRangeWithoutLeadingWhitespace lexed range | ||
| store.Add(ConditionalDirectiveTrivia.EndIf(m)) | ||
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| let GetTrivia (lexbuf: Lexbuf) : ConditionalDirectiveTrivia list = | ||
| let store = getStore lexbuf | ||
| Seq.toList store | ||
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| //------------------------------------------------------------------------ | ||
| // Storage to hold the current accumulated CommentTrivia, and related access functions | ||
| //------------------------------------------------------------------------ | ||
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| [<RequireQualifiedAccess>] | ||
| module CommentStore = | ||
| let private getStore (lexbuf: Lexbuf) = | ||
| getStoreData lexbuf "Comments" ResizeArray<CommentTrivia> | ||
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| let SaveSingleLineComment (lexbuf: Lexbuf, startRange: range, endRange: range) = | ||
| let store = getStore lexbuf | ||
| let m = unionRanges startRange endRange | ||
| store.Add(CommentTrivia.LineComment(m)) | ||
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| let SaveBlockComment (lexbuf: Lexbuf, startRange: range, endRange: range) = | ||
| let store = getStore lexbuf | ||
| let m = unionRanges startRange endRange | ||
| store.Add(CommentTrivia.BlockComment(m)) | ||
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| let GetComments (lexbuf: Lexbuf) : CommentTrivia list = | ||
| let store = getStore lexbuf | ||
| Seq.toList store |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| // Copyright (c) Microsoft Corporation. All Rights Reserved. See License.txt in the project root for license information. | ||
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| module internal FSharp.Compiler.LexerStore | ||
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| open FSharp.Compiler.SyntaxTreeOps | ||
| open FSharp.Compiler.SyntaxTrivia | ||
| open FSharp.Compiler.UnicodeLexing | ||
| open FSharp.Compiler.Text | ||
| open FSharp.Compiler.Xml | ||
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| val getSynArgNameGenerator: Lexbuf -> SynArgNameGenerator | ||
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| [<RequireQualifiedAccess>] | ||
| module XmlDocStore = | ||
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| val SaveXmlDocLine: lexbuf: Lexbuf * lineText: string * range: range -> unit | ||
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| val GrabXmlDocBeforeMarker: lexbuf: Lexbuf * markerRange: range -> PreXmlDoc | ||
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| val AddGrabPoint: lexbuf: Lexbuf -> unit | ||
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| val AddGrabPointDelayed: lexbuf: Lexbuf -> unit | ||
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| val ReportInvalidXmlDocPositions: lexbuf: Lexbuf -> range list | ||
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| type LexerIfdefExpression = | ||
| | IfdefAnd of LexerIfdefExpression * LexerIfdefExpression | ||
| | IfdefOr of LexerIfdefExpression * LexerIfdefExpression | ||
| | IfdefNot of LexerIfdefExpression | ||
| | IfdefId of string | ||
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| val LexerIfdefEval: lookup: (string -> bool) -> _arg1: LexerIfdefExpression -> bool | ||
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| [<RequireQualifiedAccess>] | ||
| module IfdefStore = | ||
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| val SaveIfHash: lexbuf: Lexbuf * lexed: string * expr: LexerIfdefExpression * range: range -> unit | ||
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| val SaveElseHash: lexbuf: Lexbuf * lexed: string * range: range -> unit | ||
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| val SaveEndIfHash: lexbuf: Lexbuf * lexed: string * range: range -> unit | ||
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| val GetTrivia: lexbuf: Lexbuf -> ConditionalDirectiveTrivia list | ||
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| [<RequireQualifiedAccess>] | ||
| module CommentStore = | ||
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| val SaveSingleLineComment: lexbuf: Lexbuf * startRange: range * endRange: range -> unit | ||
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| val SaveBlockComment: lexbuf: Lexbuf * startRange: range * endRange: range -> unit | ||
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| val GetComments: lexbuf: Lexbuf -> CommentTrivia list |
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