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Add nil expression and fix return behavior with nil expression

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This commit is contained in:
Étienne Fildadut 2021-04-12 01:10:42 +02:00
parent 6488bef75c
commit b9c6d1d704
10 changed files with 84 additions and 21 deletions
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12
parser/postparser.lua
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@ -29,14 +29,10 @@ local function parse(state)
end
-- expressions
if line.expression then
if line.expression:match("[^%s]") then
local exp, rem = expression(line.expression, state, namespace)
if not exp then return nil, ("%s; at %s"):format(rem, line.source) end
if rem:match("[^%s]") then return nil, ("expected end of expression before %q; at %s"):format(rem, line.source) end
line.expression = exp
else
line.expression = nil
end
local exp, rem = expression(line.expression, state, namespace)
if not exp then return nil, ("%s; at %s"):format(rem, line.source) end
if rem:match("[^%s]") then return nil, ("expected end of expression before %q; at %s"):format(rem, line.source) end
line.expression = exp
-- function return type information
if line.type == "return" then
local variant = line.parent_function.variant