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Add default conformance to syntax collection #334

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Merged
merged 1 commit into from
Nov 17, 2021
Merged

Add default conformance to syntax collection #334

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37 changes: 28 additions & 9 deletions Sources/SwiftSyntaxBuilder/Buildables.swift.gyb
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
from gyb_syntax_support.kinds import SYNTAX_BASE_KINDS
from gyb_syntax_support.kinds import syntax_buildable_child_type, syntax_buildable_default_init_value
from gyb_syntax_support.protocolsMap import SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES
SYNTAX_COLLECTION_EXPRESSIBLE_AS_CONFORMANCES = syntax_collection_element_to_collection_mapping()
# -*- mode: Swift -*-
# Ignore the following admonition it applies to the resulting .swift file only
}%
Expand Down Expand Up @@ -42,7 +43,9 @@ public protocol ${kind}ListBuildable: SyntaxListBuildable {

% buildable_type = kind + 'Buildable'
% expressible_as_type = 'ExpressibleAs' + buildable_type
% expressible_as_protocols = SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES.get(expressible_as_type)
% expressible_as_protocols = SYNTAX_COLLECTION_EXPRESSIBLE_AS_CONFORMANCES.get(buildable_type) or []
% expressible_as_protocols += SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES.get(buildable_type) or []
% expressible_as_protocols = map(lambda x : 'ExpressibleAs' + x, expressible_as_protocols)
% if expressible_as_protocols:
public protocol ${expressible_as_type}: ${', '.join(expressible_as_protocols)} {
% else:
Expand Down Expand Up @@ -220,7 +223,9 @@ public struct ${node.syntax_kind}: SyntaxBuildable {
% end
% if node.is_buildable() or node.is_syntax_collection():
% expressible_as_type = 'ExpressibleAs' + node.syntax_kind
% expressible_as_protocols = SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES.get(expressible_as_type)
% expressible_as_protocols = SYNTAX_COLLECTION_EXPRESSIBLE_AS_CONFORMANCES.get(node.syntax_kind) or []
% expressible_as_protocols += SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES.get(node.syntax_kind) or []
% expressible_as_protocols = map(lambda x : 'ExpressibleAs' + x, expressible_as_protocols)
% if expressible_as_protocols:
public protocol ${expressible_as_type}: ${', '.join(expressible_as_protocols)} {
% else:
Expand Down Expand Up @@ -249,6 +254,17 @@ extension TokenSyntax: ExpressibleAsTokenSyntax {

// MARK: - Syntax buildable expressible as conformances

% for protocol, conformances in SYNTAX_COLLECTION_EXPRESSIBLE_AS_CONFORMANCES.items():
% for conformance in conformances:
extension ExpressibleAs${protocol} {
public func create${conformance}() -> ${conformance} {
${conformance}([self])
}
}

% end
% end

% for protocol, conformances in SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES.items():
% if 'ExpressibleAsConditionElementList' in conformances:
extension ${protocol} {
Expand All @@ -258,28 +274,31 @@ extension ${protocol} {
}

% end
% if 'ExpressibleAsConditionElement' in conformances:
extension ${protocol} {
% end

% for protocol, conformances in SYNTAX_BUILDABLE_EXPRESSIBLE_AS_CONFORMANCES.items():
% if 'ConditionElement' in conformances:
extension ExpressibleAs${protocol} {
public func createConditionElement() -> ConditionElement {
ConditionElement(condition: self)
}
}

% end
% if 'ExpressibleAsCodeBlockItem' in conformances:
extension ${protocol} {
% if 'CodeBlockItem' in conformances:
extension ExpressibleAs${protocol} {
public func createCodeBlockItem() -> CodeBlockItem {
CodeBlockItem(item: self)
}
}

% end
% if 'ExpressibleAsMemberDeclListItem' in conformances:
extension ${protocol} {
% if 'MemberDeclListItem' in conformances:
extension ExpressibleAs${protocol} {
public func createMemberDeclListItem() -> MemberDeclListItem {
MemberDeclListItem(decl: self)
}
}

% end
% end
% end
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