Embeddable scripting language loosely based off of Lua
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CPunch eb2f50e456 Added CObjError, cosmoV_throw(), pcall(), and cosmoV_printError()
Errors are now handled very differently, parser errors and VM errors are now treated the same.
When cosmoV_error is called, cosmoV_throw is also called, which formats the error object and sets the panic state.
state->error now points to the latest CObjError when state->panic is true. To get a nice formatted Objection message, use
cosmoV_printError() and pass the state->error. pcall() was added to the standard base library. When called, the first argument
passed is called with the subsequent arguments given. If the call completed successfully, `true`,`nil` is returned. However
when an error occurs during the call, `false`,`<error>` is returned. Simply print the `<error>` to retrieve the error string.
2021-01-05 22:27:59 -06:00
examples __tostring example added 2021-01-03 17:35:52 -06:00
src Added CObjError, cosmoV_throw(), pcall(), and cosmoV_printError() 2021-01-05 22:27:59 -06:00
.gitignore removed .vscode 2020-11-13 17:54:41 -06:00
LICENSE.md Initial commit 2020-10-28 00:16:30 -05:00
Makefile Added modulo operator '%' 2021-01-01 00:47:15 -06:00
README.md changed class -> proto 2020-12-05 17:58:56 -06:00

Cosmo

Cosmo is a portable scripting language loosely based off of Lua. Cosmo easily allows the user to extend the language through the use of Proto objects, which describe the behavior of Objects. For example the following is a simple Vector Proto which describes behavior for a Vector-like object.

proto Vector
    function __init(self)
        self.vector = {}
        self.x = 0
    end

    function __index(self, key)
        return self.vector[key]
    end

    function push(self, val)
        self.vector[self.x++] = val
    end 

    function pop(self)
        return self.vector[--self.x]
    end
end

var vector = Vector()

for (var i = 0; i < 4; i++) do
    vector.push(i)
end

for (var i = 0; i < 4; i++) do
    print(vector.pop() .. " : " .. vector[i])
end

3 : 0

2 : 1

1 : 2

0 : 3

C API

The Cosmo C API is currently undocumented, however as soon as development has reached a stable state documentation on full language features and the C API will start.