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Operator overloading

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This commit is contained in:
Nathan Braswell
2016-02-24 15:25:58 -05:00
parent afe785b5a1
commit a14034aad0
2 changed files with 79 additions and 1 deletions
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10
stdlib/ast_transformation.krak
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@@ -655,6 +655,16 @@ obj ast_transformation (Object) {
parameters = vector(first_param, second_param)
}
var parameter_types = parameters.map(fun(param: *ast_node): *type return get_ast_type(param);)
// check for operator overloading
var possible_overload = null<ast_node>()
if (parameter_types[0]->is_object()) {
possible_overload = function_lookup(string("operator")+func_name, parameter_types.first()->type_def, parameter_types.slice(1,-1))
if (possible_overload)
return make_method_call(parameters.first(), possible_overload, parameters.slice(1,-1))
}
possible_overload = function_lookup(string("operator")+func_name, scope, parameter_types)
if (possible_overload)
return ast_function_call_ptr(possible_overload, parameters)
return ast_function_call_ptr(get_builtin_function(func_name, parameter_types), parameters)
}
fun find_or_instantiate_template_function(identifier: *tree<symbol>, template_inst: *tree<symbol>, scope: *ast_node, param_types: vector<*type>, template_replacements: map<string, *type>, replacements_base: map<string, *type>): *ast_node {