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Allow parenthesed do-block in cmdarg #2081

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merged 1 commit into from Apr 19, 2014
Merged

Allow parenthesed do-block in cmdarg #2081

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10 changes: 8 additions & 2 deletions src/parse.y
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Expand Up @@ -2039,9 +2039,15 @@ primary : literal
p->cmdarg_stack = $<stack>1;
$$ = $3;
}
| tLPAREN_ARG expr {p->lstate = EXPR_ENDARG;} rparen
| tLPAREN_ARG
{
$$ = $2;
$<stack>1 = p->cmdarg_stack;
p->cmdarg_stack = 0;
}
expr {p->lstate = EXPR_ENDARG;} rparen
{
p->cmdarg_stack = $<stack>1;
$$ = $3;
}
| tLPAREN_ARG {p->lstate = EXPR_ENDARG;} rparen
{
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11 changes: 11 additions & 0 deletions test/t/syntax.rb
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Expand Up @@ -254,3 +254,14 @@ class << Kernel
end
true
end

assert('parenthesed do-block in cmdarg') do
class ParenDoBlockCmdArg
def test(block)
block.call
end
end
x = ParenDoBlockCmdArg.new
result = x.test (proc do :ok; end)
assert_equal :ok, result
end