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Now && and || short circuiting is done in obj_lower

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Nathan Braswell
2016-06-25 23:56:07 -07:00
parent dd8fbc0489
commit 4cc0d26c4c
6 changed files with 183 additions and 65 deletions
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18
stdlib/c_generator.krak
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@@ -657,23 +657,7 @@ obj c_generator (Object) {
))
return code_triple("(") + generate(parameters[0], enclosing_object, enclosing_func, null<stack<pair<bool,stack<*ast_node>>>>(), false) + func_name + generate(parameters[1], enclosing_object, enclosing_func, null<stack<pair<bool,stack<*ast_node>>>>(), false) + string(")")
if ( parameters.size == 2 && (func_name == "||" || func_name == "&&")) {
var first = generate(parameters[0], enclosing_object, enclosing_func, null<stack<pair<bool,stack<*ast_node>>>>(), false)
var second = generate(parameters[1], enclosing_object, enclosing_func, null<stack<pair<bool,stack<*ast_node>>>>(), false)
var result = code_triple()
result.pre += first.pre;
var temp_bool = string("temp_bool") + get_id()
result.pre += string("bool ") + temp_bool + " = " + first.value + ";\n"
result.pre += first.post;
if (func_name == "||")
result.pre += string("if (!") + temp_bool + ") {"
else
result.pre += string("if (") + temp_bool + ") {"
result.pre += second.pre
result.pre += temp_bool + " = " + second.value + ";\n"
result.pre += second.post
result.pre += "}"
result.value = temp_bool
return result
error("Remaining || or &&")
}
// don't propegate enclosing function down right of access
// XXX what about enclosing object? should it be the thing on the left?