parser: forbid empty match statements 'match cond.op {else {}}' (#12618)
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6749979534
commit
8ac7739db8
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@ -1,12 +1,7 @@
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vlib/v/checker/tests/return_missing_match_simple.vv:4:3: warning: `match` must have at least one non `else` branch
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vlib/v/checker/tests/return_missing_match_simple.vv:4:3: error: `match` must have at least one non `else` branch
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2 | a := 1
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3 | match a {
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4 | else { println('abc') }
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| ~~~~
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5 | }
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6 | println('hello')
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vlib/v/checker/tests/return_missing_match_simple.vv:1:1: error: missing return at end of function `h`
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1 | fn h() int {
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| ~~~~~~~~~~
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2 | a := 1
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3 | match a {
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@ -250,7 +250,7 @@ fn (mut p Parser) match_expr() ast.MatchExpr {
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scope: branch_scope
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}
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if is_else && branches.len == 1 {
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p.warn_with_pos('`match` must have at least one non `else` branch', pos)
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p.error_with_pos('`match` must have at least one non `else` branch', pos)
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}
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if p.tok.kind == .rcbr || (is_else && no_lcbr) {
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break
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