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Variable must now be explicitly marked as persistent

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This commit is contained in:
Étienne Fildadut 2022-09-27 18:41:40 +09:00
parent e9606cdee0
commit 2c6d66c222
11 changed files with 384 additions and 106 deletions
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9
parser/postparser.lua
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@ -18,7 +18,7 @@ local function parse(state)
if rem:match("[^%s]") then
return nil, ("unexpected characters after parameter %q: %q; at %s"):format(param.full_name, rem, line.source)
end
state.variable_constraints[param.full_name] = { pending = type_exp }
state.variable_metadata[param.full_name].constraint = { pending = type_exp }
end
-- get default value
if param.default then
@ -30,7 +30,7 @@ local function parse(state)
param.default = default_exp
-- extract type constraint from default value
if default_exp.type == "function call" and default_exp.called_name == "_::_" then
state.variable_constraints[param.full_name] = { pending = default_exp.argument.expression.right }
state.variable_metadata[param.full_name].constraint = { pending = default_exp.argument.expression.right }
end
end
end
@ -41,7 +41,7 @@ local function parse(state)
if rem:match("[^%s]") then
return nil, ("unexpected characters after parameter %q: %q; at %s"):format(line.assignment.full_name, rem, line.source)
end
state.variable_constraints[line.assignment.full_name] = { pending = type_exp }
state.variable_metadata[line.assignment.full_name].constraint = { pending = type_exp }
end
-- get list of scoped variables
-- (note includes every variables in the namespace of subnamespace, so subfunctions are scoped alongside this function)
@ -49,6 +49,7 @@ local function parse(state)
line.scoped = {}
for name in pairs(state.variables) do
if name:sub(1, #namespace) == namespace then
if state.variable_metadata[name].persistent then return nil, ("variable %q can not be persistent as it is in a scoped function"):format(name) end
table.insert(line.scoped, name)
end
end
@ -80,7 +81,7 @@ local function parse(state)
if rem2:match("[^%s]") then
return nil, ("unexpected characters after variable %q: %q; at %s"):format(line.name, rem2, line.source)
end
state.variable_constraints[line.name] = { pending = type_exp }
state.variable_metadata[line.name].constraint = { pending = type_exp }
end
end
end