зеркало из https://github.com/mozilla/pjs.git
55 строки
1.6 KiB
JavaScript
55 строки
1.6 KiB
JavaScript
/**
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* Detects static initializers i.e. functions called during static initialization.
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*/
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require({ after_gcc_pass: "cfg" });
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function process_tree(fn) {
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for each (let attr in translate_attributes(DECL_ATTRIBUTES(fn)))
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if (attr.name == "constructor")
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warning(pretty_func(fn) + " marked with constructor attribute\n");
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if (decl_name_string(fn) != "__static_initialization_and_destruction_0")
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return;
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let cfg = function_decl_cfg(fn);
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for (let isn in cfg_isn_iterator(cfg)) {
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if (isn.tree_code() != GIMPLE_CALL)
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continue;
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let decl = gimple_call_fndecl(isn);
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let lhs = gimple_call_lhs(isn);
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if (lhs) {
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warning(pretty_var(lhs) + " defined by call to " + pretty_func(decl) +
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" during static initialization", location_of(lhs));
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} else {
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let arg = constructorArg(isn);
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if (arg)
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warning(pretty_var(arg) + " defined by call to constructor " + pretty_func(decl) +
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" during static initialization", location_of(arg));
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else
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warning(pretty_func(decl) + " called during static initialization", location_of(decl));
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}
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}
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}
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function constructorArg(call) {
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let decl = gimple_call_fndecl(call);
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if (!DECL_CONSTRUCTOR_P(decl))
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return null;
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let arg = gimple_call_arg_iterator(call).next();
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if (TYPE_MAIN_VARIANT(TREE_TYPE(TREE_TYPE(arg))) != DECL_CONTEXT(decl))
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throw new Error("malformed constructor call?!");
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return arg.tree_code() == ADDR_EXPR ? TREE_OPERAND(arg, 0) : arg;
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}
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function pretty_func(fn) {
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return rfunc_string(rectify_function_decl(fn));
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}
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function pretty_var(v) {
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return type_string(TREE_TYPE(v)) + " " + decl_name_string(v);
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}
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