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Fix the parsing of supports function in static imports #1514

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merged 1 commit into from Oct 6, 2021
Merged

Fix the parsing of supports function in static imports #1514

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29 changes: 24 additions & 5 deletions lib/src/parse/stylesheet.dart
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Expand Up @@ -1150,11 +1150,30 @@ abstract class StylesheetParser extends Parser {
} else if (scanner.peekChar() == $lparen) {
supports = _supportsCondition();
} else {
var name = expression();
scanner.expectChar($colon);
whitespace();
var value = expression();
supports = SupportsDeclaration(name, value, scanner.spanFrom(start));
if (_lookingAtInterpolatedIdentifier()) {
var identifier = interpolatedIdentifier();
if (identifier.asPlain?.toLowerCase() == "not") {
error('"not" is not a valid identifier here.', identifier.span);
}

if (scanner.scanChar($lparen)) {
var arguments = _interpolatedDeclarationValue(
allowEmpty: true, allowSemicolon: true);
scanner.expectChar($rparen);
supports = SupportsFunction(
identifier, arguments, scanner.spanFrom(start));
} else {
// Backtrack to parse a variable declaration
scanner.state = start;
}
}
if (supports == null) {
var name = expression();
scanner.expectChar($colon);
whitespace();
var value = expression();
supports = SupportsDeclaration(name, value, scanner.spanFrom(start));
}
}
scanner.expectChar($rparen);
whitespace();
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