webmcp
view framework/env/execute/wrapped.lua @ 428:52ebde158c92
Fixed minor glitch regarding floating point numbers (e.g. 0.009) in JSON encoder; Distinguish between integers and floats in JSON encoder if Lua version >= 5.3
| author | jbe |
|---|---|
| date | Thu Jan 14 17:40:49 2016 +0100 (2016-01-14) |
| parents | 9fdfb27f8e67 |
| children |
line source
1 --[[--
2 execute.wrapped(
3 wrapper_func, -- function with an execute.inner() call inside
4 inner_func -- function which is executed when execute.inner() is called
5 )
7 This function takes two functions as argument. The first function is executed, and must contain one call of execute.inner() during its execution. When execute.inner() is called, the second function is executed. After the second function finished, program flow continues in the first function.
9 --]]--
11 function execute.wrapped(wrapper_func, inner_func)
12 if
13 type(wrapper_func) ~= "function" or
14 type(inner_func) ~= "function"
15 then
16 error("Two functions need to be passed to execute.wrapped(...).")
17 end
18 local stack = execute._wrap_stack
19 local pos = #stack + 1
20 stack[pos] = inner_func
21 wrapper_func()
22 -- if stack[pos] then
23 -- error("Wrapper function did not call execute.inner().")
24 -- end
25 stack[pos] = nil
26 end