mirror of
https://github.com/open-goal/jak-project.git
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5ec9a91eb9
* decomp pad * more decompilation * update * fix test name
131 lines
4.7 KiB
C++
131 lines
4.7 KiB
C++
#include "expression_build.h"
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#include "decompiler/Function/Function.h"
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#include "decompiler/IR2/Form.h"
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#include "decompiler/IR2/FormStack.h"
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#include "decompiler/util/DecompilerTypeSystem.h"
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#include "common/goos/PrettyPrinter.h"
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namespace decompiler {
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/*void clean_up_ifs(Form* top_level_form, const Env&) {
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bool changed = true;
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while (changed) {
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for (auto x : top_level_form->elts()) {
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assert(x->parent_form == top_level_form);
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}
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changed = false;
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for (auto x : top_level_form->elts()) {
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assert(x->parent_form == top_level_form);
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}
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top_level_form->apply([&](FormElement* elt) {
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auto as_ge = dynamic_cast<GenericElement*>(elt);
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if (!as_ge) {
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return;
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}
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if (as_ge->op().kind() == GenericOperator::Kind::CONDITION_OPERATOR) {
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if (as_ge->op().condition_kind() == IR2_Condition::Kind::TRUTHY) {
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assert(as_ge->elts().size() == 1);
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auto top_condition = as_ge->elts().front();
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if (!top_condition->is_single_element() && elt->parent_form) {
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auto real_condition = top_condition->back();
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top_condition->pop_back();
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auto& parent_vector = elt->parent_form->elts();
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// find us in the parent vector
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auto me = std::find_if(parent_vector.begin(), parent_vector.end(),
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[&](FormElement* x) { return x == elt; });
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assert(me != parent_vector.end());
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// now insert the fake condition
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for (auto& x : top_condition->elts()) {
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x->parent_form = elt->parent_form;
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}
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parent_vector.insert(me, top_condition->elts().begin(), top_condition->elts().end());
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top_condition->elts() = {real_condition};
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changed = true;
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}
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}
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}
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});
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}
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}*/
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bool convert_to_expressions(Form* top_level_form,
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FormPool& pool,
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Function& f,
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const DecompilerTypeSystem& dts) {
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assert(top_level_form);
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// fmt::print("Before anything:\n{}\n",
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// pretty_print::to_string(top_level_form->to_form(f.ir2.env)));
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try {
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FormStack stack(true);
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for (auto& entry : top_level_form->elts()) {
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// fmt::print("push {} to stack\n", entry->to_form(f.ir2.env).print());
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entry->push_to_stack(f.ir2.env, pool, stack);
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// fmt::print("Stack is now:\n{}\n", stack.print(f.ir2.env));
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}
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std::vector<FormElement*> new_entries;
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if (f.type.last_arg() != TypeSpec("none")) {
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auto return_var = f.ir2.atomic_ops->end_op().return_var();
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new_entries = rewrite_to_get_var(stack, pool, return_var, f.ir2.env);
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auto reg_return_type =
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f.ir2.env.get_types_after_op(f.ir2.atomic_ops->ops.size() - 1).get(return_var.reg());
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if (!dts.ts.typecheck(f.type.last_arg(), reg_return_type.typespec(), "", false, false)) {
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// we need to cast the final value.
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auto to_cast = new_entries.back();
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new_entries.pop_back();
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auto cast = pool.alloc_element<CastElement>(f.type.last_arg(),
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pool.alloc_single_form(nullptr, to_cast));
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new_entries.push_back(cast);
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}
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} else {
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new_entries = stack.rewrite(pool, f.ir2.env);
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}
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assert(!new_entries.empty());
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top_level_form->clear();
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for (auto x : new_entries) {
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top_level_form->push_back(x);
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}
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for (auto x : top_level_form->elts()) {
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assert(x->parent_form == top_level_form);
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}
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// fix up stuff
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} catch (std::exception& e) {
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f.warnings.expression_build_warning("In {}: {}", f.guessed_name.to_string(), e.what());
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return false;
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}
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if (f.guessed_name.kind == FunctionName::FunctionKind::GLOBAL) {
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f.ir2.env.set_remap_for_function(f.type.arg_count() - 1);
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} else if (f.guessed_name.kind == FunctionName::FunctionKind::METHOD) {
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if (f.guessed_name.method_id == GOAL_NEW_METHOD) {
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f.ir2.env.set_remap_for_new_method(f.type.arg_count() - 1);
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} else {
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f.ir2.env.set_remap_for_method(f.type.arg_count() - 1);
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}
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}
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auto config_map = get_config().function_arg_names.find(f.guessed_name.to_string());
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if (config_map != get_config().function_arg_names.end()) {
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std::unordered_map<std::string, std::string> map2;
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auto var_map = get_config().function_var_names.find(f.guessed_name.to_string());
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if (var_map != get_config().function_var_names.end()) {
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map2 = var_map->second;
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}
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f.ir2.env.map_args_from_config(config_map->second, map2);
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} else {
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auto var_map = get_config().function_var_names.find(f.guessed_name.to_string());
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if (var_map != get_config().function_var_names.end()) {
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f.ir2.env.map_args_from_config({}, var_map->second);
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}
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}
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return true;
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}
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} // namespace decompiler
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