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Add variable reference and use them in alias(ref, id)

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This commit is contained in:
Étienne Fildadut 2021-12-09 14:11:18 +01:00
parent 037654ebcf
commit acb8945dec
11 changed files with 138 additions and 45 deletions
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12
interpreter/expression.lua
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@ -148,12 +148,18 @@ local function eval(state, exp)
-- variable
elseif exp.type == "variable" then
return get_variable(state, exp.name)
-- function
-- references
elseif exp.type == "function reference" then
return {
type = "function reference",
value = exp.names
}
elseif exp.type == "variable reference" then
return {
type = "variable reference",
value = exp.name
}
-- function
elseif exp.type == "function call" then
-- eval args: list_brackets
local args = {}
@ -372,7 +378,7 @@ local function eval(state, exp)
if r then
ret = r
else
return nil, ("%s; in Lua function %q"):format(e, exp.called_name)
return nil, ("%s; in Lua function %q"):format(e or "raw function returned nil and no error message", exp.called_name)
end
-- untyped raw mode: same as raw, but strips custom types from the arguments
elseif lua_fn.mode == "untyped raw" then
@ -386,7 +392,7 @@ local function eval(state, exp)
if r then
ret = r
else
return nil, ("%s; in Lua function %q"):format(e, exp.called_name)
return nil, ("%s; in Lua function %q"):format(e or "untyped raw function returned nil and no error message", exp.called_name)
end
-- normal mode: convert args to Lua and convert back Lua value to Anselme
elseif lua_fn.mode == nil then