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Add asserts in init methods #341

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Merged
kimdv merged 1 commit into from
Dec 3, 2021
Merged

Add asserts in init methods #341

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14 changes: 14 additions & 0 deletions Sources/SwiftSyntaxBuilder/Buildables.swift.gyb
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,20 @@ public struct ${node.syntax_kind}: ${node.base_kind}Buildable {
% else:
self.${child.swift_name} = ${child.swift_name}${create_method_dot}create${param_type}()
% end
% assert_choices = []
% if child.text_choices:
% assert_choices = child.text_choices
% elif child.token_choices:
% assert_choices = map(lambda x : SYNTAX_TOKEN_MAP.get(x.name + 'Token').text, child.token_choices)
% # If a Token has `None` as `text`, it can contain arbitrary text.
% # If any of the token choices may contain arbitrary text, set assert_choices to [] so we don’t assert on the token’s text below.
% assert_choices = [] if None in assert_choices else assert_choices
% end
% if assert_choices:
% optional_condition = child.swift_name + ' == nil || ' if child.is_optional else ""
% unwrap = "!" if child.is_optional else ""
assert(${optional_condition}[${', '.join(map(lambda x : '"' + x + '"', assert_choices))}].contains(self.${child.swift_name}${unwrap}.text))
% end
% end
}

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