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Add anonymous functions

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This commit is contained in:
Étienne Fildadut 2022-09-28 14:54:31 +09:00
parent 2c6d66c222
commit 5e441886c0
15 changed files with 352 additions and 110 deletions
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20
parser/postparser.lua
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@ -13,7 +13,7 @@ local function parse(state)
for _, param in ipairs(line.params) do
-- get type constraints
if param.type_constraint then
local type_exp, rem = expression(param.type_constraint, state, namespace)
local type_exp, rem = expression(param.type_constraint, state, namespace, line.source)
if not type_exp then return nil, ("in type constraint, %s; at %s"):format(rem, line.source) end
if rem:match("[^%s]") then
return nil, ("unexpected characters after parameter %q: %q; at %s"):format(param.full_name, rem, line.source)
@ -22,7 +22,7 @@ local function parse(state)
end
-- get default value
if param.default then
local default_exp, rem = expression(param.default, state, namespace)
local default_exp, rem = expression(param.default, state, namespace, line.source)
if not default_exp then return nil, ("in default value, %s; at %s"):format(rem, line.source) end
if rem:match("[^%s]") then
return nil, ("unexpected characters after parameter %q: %q; at %s"):format(param.full_name, rem, line.source)
@ -36,7 +36,7 @@ local function parse(state)
end
-- assignment argument
if line.assignment and line.assignment.type_constraint then
local type_exp, rem = expression(line.assignment.type_constraint, state, namespace)
local type_exp, rem = expression(line.assignment.type_constraint, state, namespace, line.source)
if not type_exp then return nil, ("in type constraint, %s; at %s"):format(rem, line.source) end
if rem:match("[^%s]") then
return nil, ("unexpected characters after parameter %q: %q; at %s"):format(line.assignment.full_name, rem, line.source)
@ -66,8 +66,8 @@ local function parse(state)
end
end
-- expressions
if line.expression then
local exp, rem = expression(line.expression, state, namespace)
if line.expression and type(line.expression) == "string" then
local exp, rem = expression(line.expression, state, namespace, line.source)
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
@ -76,7 +76,7 @@ local function parse(state)
state.variables[line.name].value.expression = line.expression
-- parse constraints
if line.constraint then
local type_exp, rem2 = expression(line.constraint, state, namespace)
local type_exp, rem2 = expression(line.constraint, state, namespace, line.source)
if not type_exp then return nil, ("in type constraint, %s; at %s"):format(rem2, line.source) end
if rem2:match("[^%s]") then
return nil, ("unexpected characters after variable %q: %q; at %s"):format(line.name, rem2, line.source)
@ -92,9 +92,13 @@ local function parse(state)
if err:match("[^%s]") then return nil, ("expected end of expression in end-of-text expression before %q"):format(err) end
line.text = txt
end
state.queued_lines[i] = nil
table.remove(state.queued_lines, i)
end
if #state.queued_lines > 0 then -- lines were added during post-parsing, process these
return parse(state)
else
return true
end
return true
end
package.loaded[...] = parse