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cgen: remove the extra generated parentheses of single in_expr (fix #12158) (#12168)

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yuyi 2021-10-14 16:38:16 +08:00 committed by GitHub
parent 6f629d1a6a
commit 05885059bd
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1 changed files with 17 additions and 2 deletions
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15
vlib/v/gen/c/cgen.v
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@ -5051,12 +5051,27 @@ fn (mut g Gen) if_expr(node ast.IfExpr) {
} }
} }
else { else {
mut no_needs_par := false
if branch.cond is ast.InfixExpr {
if branch.cond.op == .key_in && branch.cond.left !is ast.InfixExpr
&& branch.cond.right is ast.ArrayInit {
no_needs_par = true
}
}
if no_needs_par {
g.write('if ')
} else {
g.write('if (') g.write('if (')
}
g.expr(branch.cond) g.expr(branch.cond)
if no_needs_par {
g.writeln(' {')
} else {
g.writeln(') {') g.writeln(') {')
} }
} }
} }
}
if needs_tmp_var { if needs_tmp_var {
g.stmts_with_tmp_var(branch.stmts, tmp) g.stmts_with_tmp_var(branch.stmts, tmp)
} else { } else {