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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftSyntax
import SwiftSyntaxBuilder
import SyntaxSupport
import Utils
let syntaxCollectionsFile = SourceFileSyntax(leadingTrivia: copyrightHeader) {
for node in SYNTAX_NODES.compactMap(\.collectionNode) {
let documentation = SwiftSyntax.Trivia(joining: [
node.documentation,
node.experimentalDocNote,
node.grammar,
node.containedIn,
])
try! StructDeclSyntax(
"""
\(documentation)\
\(node.node.apiAttributes())\
public struct \(node.kind.syntaxType): SyntaxCollection, SyntaxHashable
"""
) {
if let onlyElement = node.elementChoices.only {
DeclSyntax("public typealias Element = \(onlyElement.syntaxType)")
} else {
try EnumDeclSyntax(
"""
public enum Element: SyntaxChildChoices, SyntaxHashable
"""
) {
for choiceName in node.elementChoices {
let choice = SYNTAX_NODE_MAP[choiceName]!
DeclSyntax(
"""
\(choice.apiAttributes())\
case `\(choice.varOrCaseName)`(\(choice.kind.syntaxType))
"""
)
}
try VariableDeclSyntax("public var _syntaxNode: Syntax") {
SwitchExprSyntax(switchKeyword: .keyword(.switch), subject: ExprSyntax("self")) {
for choiceName in node.elementChoices {
let choice = SYNTAX_NODE_MAP[choiceName]!
SwitchCaseSyntax("case .\(choice.varOrCaseName)(let node):") {
StmtSyntax("return node._syntaxNode")
}
}
}
}
for choiceName in node.elementChoices {
let choiceNode = SYNTAX_NODE_MAP[choiceName]!
if choiceNode.kind.isBase {
DeclSyntax(
"""
\(choiceNode.apiAttributes())\
public init(_ node: some \(choiceNode.kind.protocolType)) {
self = .\(choiceNode.varOrCaseName)(\(choiceNode.kind.syntaxType)(node))
}
"""
)
} else {
DeclSyntax(
"""
\(choiceNode.apiAttributes())\
public init(_ node: \(choiceNode.kind.syntaxType)) {
self = .\(choiceNode.varOrCaseName)(node)
}
"""
)
}
}
try InitializerDeclSyntax("public init?(_ node: some SyntaxProtocol)") {
for choiceName in node.elementChoices {
let choiceNode = SYNTAX_NODE_MAP[choiceName]!
StmtSyntax(
"""
if let node = node.as(\(choiceNode.kind.syntaxType).self) {
self = .\(choiceNode.varOrCaseName)(node)
return
}
"""
)
}
StmtSyntax("return nil")
}
try VariableDeclSyntax("public static var structure: SyntaxNodeStructure") {
let choices = ArrayExprSyntax {
for choiceName in node.elementChoices {
let choice = SYNTAX_NODE_MAP[choiceName]!
ArrayElementSyntax(
leadingTrivia: .newline,
expression: ExprSyntax(".node(\(choice.kind.syntaxType).self)")
)
}
}
StmtSyntax("return .choices(\(choices))")
}
for choiceNodeName in node.elementChoices {
let choiceNode = SYNTAX_NODE_MAP[choiceNodeName]!
choiceNodeCastingMethods(for: choiceNode.kind)
}
}
}
DeclSyntax("public let _syntaxNode: Syntax")
DeclSyntax(
"""
public init?(_ node: some SyntaxProtocol) {
guard node.raw.kind == .\(node.varOrCaseName) else { return nil }
self._syntaxNode = node._syntaxNode
}
"""
)
DeclSyntax("public static let syntaxKind = SyntaxKind.\(node.varOrCaseName)")
}
}
}
|
