836 lines
24 KiB
C++
836 lines
24 KiB
C++
#include <memory>
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#include <cstdio>
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#include <cmath>
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#include "cs_bcode.hh"
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#include "cs_state.hh"
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#include "cs_thread.hh"
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#include "cs_strman.hh"
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#include "cs_vm.hh" // break/continue, call_with_args
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#include "cs_parser.hh"
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namespace cubescript {
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internal_state::internal_state(alloc_func af, void *data):
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allocf{af}, aptr{data},
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idents{allocator_type{this}},
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identmap{allocator_type{this}},
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strman{create<string_pool>(this)},
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empty{bcode_init_empty(this)}
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{}
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internal_state::~internal_state() {
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for (auto &p: idents) {
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destroy(&ident_p{*p.second}.impl());
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}
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bcode_free_empty(this, empty);
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destroy(strman);
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}
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void *internal_state::alloc(void *ptr, size_t os, size_t ns) {
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void *p = allocf(aptr, ptr, os, ns);
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if (!p && ns) {
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throw std::bad_alloc{};
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}
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return p;
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}
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static void *default_alloc(void *, void *p, size_t, size_t ns) {
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if (!ns) {
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std::free(p);
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return nullptr;
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}
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return std::realloc(p, ns);
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}
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ident *internal_state::add_ident(ident *id, ident_impl *impl) {
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if (!id) {
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return nullptr;
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}
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ident_p{*id}.impl(impl);
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idents[id->get_name()] = id;
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impl->p_index = int(identmap.size());
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identmap.push_back(id);
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return identmap.back();
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}
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ident &internal_state::new_ident(state &cs, std::string_view name, int flags) {
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ident *id = get_ident(name);
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if (!id) {
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if (!is_valid_name(name)) {
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throw error{
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cs, "'%s' is not a valid identifier name", name.data()
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};
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}
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auto *inst = create<alias_impl>(
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cs, string_ref{this, name}, flags
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);
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id = add_ident(inst, inst);
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}
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return *id;
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}
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ident *internal_state::get_ident(std::string_view name) const {
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auto id = idents.find(name);
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if (id == idents.end()) {
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return nullptr;
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}
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return id->second;
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}
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void init_lib_base(state &cs);
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void init_lib_math(state &cs);
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void init_lib_string(state &cs);
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void init_lib_list(state &cs);
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/* public interfaces */
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state::state(): state{default_alloc, nullptr} {}
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state::state(alloc_func func, void *data) {
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command *p;
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if (!func) {
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func = default_alloc;
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}
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/* allocator is not set up yet, use func directly */
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auto *statep = static_cast<internal_state *>(
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func(data, nullptr, 0, sizeof(internal_state))
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);
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/* allocator will be set up in the constructor */
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new (statep) internal_state{func, data};
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try {
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p_tstate = statep->create<thread_state>(statep);
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} catch (...) {
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statep->destroy(statep);
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throw;
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}
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p_tstate->pstate = this;
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p_tstate->istate = statep;
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p_tstate->owner = true;
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for (std::size_t i = 0; i < MAX_ARGUMENTS; ++i) {
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char buf[16];
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snprintf(buf, sizeof(buf), "arg%zu", i + 1);
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statep->new_ident(
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*this, static_cast<char const *>(buf), IDENT_FLAG_ARG
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);
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}
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statep->id_dummy = &statep->new_ident(*this, "//dummy", IDENT_FLAG_UNKNOWN);
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statep->ivar_numargs = &new_ivar("numargs", 0, true);
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statep->ivar_dbgalias = &new_ivar("dbgalias", 4);
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/* default handlers for variables */
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statep->cmd_ivar = &new_command("//ivar_builtin", "$iN", [](
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auto &cs, auto args, auto &
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) {
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auto *iv = args[0].get_ident()->get_ivar();
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if (args[2].get_integer() <= 1) {
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std::printf("%s = ", iv->get_name().data());
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std::printf(INTEGER_FORMAT, iv->get_value());
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std::printf("\n");
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} else {
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iv->set_value(cs, args[1].get_integer());
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}
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});
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statep->cmd_fvar = &new_command("//fvar_builtin", "$fN", [](
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auto &cs, auto args, auto &
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) {
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auto *fv = args[0].get_ident()->get_fvar();
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if (args[2].get_integer() <= 1) {
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auto val = fv->get_value();
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std::printf("%s = ", fv->get_name().data());
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if (std::floor(val) == val) {
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std::printf(ROUND_FLOAT_FORMAT, val);
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} else {
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std::printf(FLOAT_FORMAT, val);
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}
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std::printf("\n");
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} else {
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fv->set_value(cs, args[1].get_float());
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}
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});
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statep->cmd_svar = &new_command("//svar_builtin", "$sN", [](
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auto &cs, auto args, auto &
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) {
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auto *sv = args[0].get_ident()->get_svar();
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if (args[2].get_integer() <= 1) {
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auto val = sv->get_value();
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if (val.view().find('"') == std::string_view::npos) {
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std::printf("%s = \"%s\"\n", sv->get_name().data(), val.data());
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} else {
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std::printf("%s = [%s]\n", sv->get_name().data(), val.data());
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}
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} else {
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sv->set_value(cs, args[1].get_string(cs));
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}
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});
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statep->cmd_var_changed = nullptr;
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/* builtins */
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p = &new_command("do", "e", [](auto &cs, auto args, auto &res) {
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res = cs.run(args[0].get_code());
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});
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static_cast<command_impl *>(p)->p_type = ID_DO;
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p = &new_command("doargs", "e", [](auto &cs, auto args, auto &res) {
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call_with_args(*cs.p_tstate, [&cs, &res, &args]() {
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res = cs.run(args[0].get_code());
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});
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});
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static_cast<command_impl *>(p)->p_type = ID_DOARGS;
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p = &new_command("if", "tee", [](auto &cs, auto args, auto &res) {
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res = cs.run((args[0].get_bool() ? args[1] : args[2]).get_code());
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});
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static_cast<command_impl *>(p)->p_type = ID_IF;
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p = &new_command("result", "t", [](auto &, auto args, auto &res) {
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res = std::move(args[0]);
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});
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static_cast<command_impl *>(p)->p_type = ID_RESULT;
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p = &new_command("!", "t", [](auto &, auto args, auto &res) {
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res.set_integer(!args[0].get_bool());
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});
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static_cast<command_impl *>(p)->p_type = ID_NOT;
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p = &new_command("&&", "E1V", [](auto &cs, auto args, auto &res) {
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if (args.empty()) {
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res.set_integer(1);
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} else {
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for (size_t i = 0; i < args.size(); ++i) {
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auto code = args[i].get_code();
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if (code) {
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res = cs.run(code);
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} else {
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res = std::move(args[i]);
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}
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if (!res.get_bool()) {
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break;
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}
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}
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}
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});
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static_cast<command_impl *>(p)->p_type = ID_AND;
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p = &new_command("||", "E1V", [](auto &cs, auto args, auto &res) {
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if (args.empty()) {
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res.set_integer(0);
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} else {
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for (size_t i = 0; i < args.size(); ++i) {
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auto code = args[i].get_code();
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if (code) {
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res = cs.run(code);
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} else {
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res = std::move(args[i]);
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}
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if (res.get_bool()) {
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break;
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}
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}
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}
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});
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static_cast<command_impl *>(p)->p_type = ID_OR;
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p = &new_command("local", "", nullptr);
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static_cast<command_impl *>(p)->p_type = ID_LOCAL;
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p = &new_command("break", "", [](auto &cs, auto, auto &) {
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if (cs.p_tstate->loop_level) {
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throw break_exception{};
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} else {
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throw error{cs, "no loop to break"};
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}
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});
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static_cast<command_impl *>(p)->p_type = ID_BREAK;
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p = &new_command("continue", "", [](auto &cs, auto, auto &) {
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if (cs.p_tstate->loop_level) {
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throw continue_exception{};
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} else {
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throw error{cs, "no loop to continue"};
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}
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});
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static_cast<command_impl *>(p)->p_type = ID_CONTINUE;
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init_lib_base(*this);
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}
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LIBCUBESCRIPT_EXPORT state::~state() {
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destroy();
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}
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LIBCUBESCRIPT_EXPORT void state::destroy() {
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if (!p_tstate || !p_tstate->owner) {
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return;
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}
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auto *sp = p_tstate->istate;
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sp->destroy(p_tstate);
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sp->destroy(sp);
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p_tstate = nullptr;
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}
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state::state(internal_state *s) {
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p_tstate = s->create<thread_state>(s);
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p_tstate->pstate = this;
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p_tstate->istate = s;
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p_tstate->owner = false;
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}
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LIBCUBESCRIPT_EXPORT state state::new_thread() {
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return state{p_tstate->istate};
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}
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LIBCUBESCRIPT_EXPORT hook_func state::set_call_hook(hook_func func) {
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return p_tstate->set_hook(std::move(func));
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}
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LIBCUBESCRIPT_EXPORT hook_func const &state::get_call_hook() const {
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return p_tstate->get_hook();
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}
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LIBCUBESCRIPT_EXPORT hook_func &state::get_call_hook() {
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return p_tstate->get_hook();
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}
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LIBCUBESCRIPT_EXPORT void *state::alloc(void *ptr, size_t os, size_t ns) {
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return p_tstate->istate->alloc(ptr, os, ns);
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}
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LIBCUBESCRIPT_EXPORT ident *state::get_ident(std::string_view name) {
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return p_tstate->istate->get_ident(name);
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}
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LIBCUBESCRIPT_EXPORT alias *state::get_alias(std::string_view name) {
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auto id = get_ident(name);
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if (!id || !id->is_alias()) {
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return nullptr;
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}
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return static_cast<alias *>(id);
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}
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LIBCUBESCRIPT_EXPORT bool state::have_ident(std::string_view name) {
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return p_tstate->istate->idents.find(name) != p_tstate->istate->idents.end();
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}
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LIBCUBESCRIPT_EXPORT std::span<ident *> state::get_idents() {
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return std::span<ident *>{
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p_tstate->istate->identmap.data(),
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p_tstate->istate->identmap.size()
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};
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}
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LIBCUBESCRIPT_EXPORT std::span<ident const *> state::get_idents() const {
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auto ptr = const_cast<ident const **>(p_tstate->istate->identmap.data());
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return std::span<ident const *>{ptr, p_tstate->istate->identmap.size()};
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}
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LIBCUBESCRIPT_EXPORT void state::clear_override(ident &id) {
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if (!id.is_overridden(*this)) {
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return;
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}
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switch (id.get_type()) {
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case ident_type::ALIAS: {
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auto &ast = p_tstate->get_astack(static_cast<alias *>(&id));
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ast.node->val_s.set_string("", *this);
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ast.node->code = bcode_ref{};
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ast.flags &= ~IDENT_FLAG_OVERRIDDEN;
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return;
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}
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case ident_type::IVAR: {
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ivar_impl &iv = static_cast<ivar_impl &>(id);
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iv.set_raw_value(iv.p_override);
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var_changed(*p_tstate, &id);
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static_cast<ivar_impl *>(
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static_cast<integer_var *>(&iv)
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)->p_flags &= ~IDENT_FLAG_OVERRIDDEN;
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return;
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}
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case ident_type::FVAR: {
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fvar_impl &fv = static_cast<fvar_impl &>(id);
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fv.set_raw_value(fv.p_override);
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var_changed(*p_tstate, &id);
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static_cast<fvar_impl *>(
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static_cast<float_var *>(&fv)
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)->p_flags &= ~IDENT_FLAG_OVERRIDDEN;
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return;
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}
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case ident_type::SVAR: {
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svar_impl &sv = static_cast<svar_impl &>(id);
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sv.set_raw_value(sv.p_override);
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var_changed(*p_tstate, &id);
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static_cast<svar_impl *>(
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static_cast<string_var *>(&sv)
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)->p_flags &= ~IDENT_FLAG_OVERRIDDEN;
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return;
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}
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default:
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break;
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}
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}
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LIBCUBESCRIPT_EXPORT void state::clear_overrides() {
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for (auto &p: p_tstate->istate->idents) {
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clear_override(*(p.second));
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}
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}
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inline int var_flags(bool read_only, var_type vtp) {
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int ret = 0;
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if (read_only) {
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ret |= IDENT_FLAG_READONLY;
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}
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switch (vtp) {
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case var_type::PERSISTENT:
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ret |= IDENT_FLAG_PERSIST;
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break;
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case var_type::OVERRIDABLE:
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ret |= IDENT_FLAG_OVERRIDE;
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break;
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default:
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break;
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}
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return ret;
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}
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static void var_name_check(
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state &cs, ident *id, std::string_view n
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) {
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if (id) {
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throw error{
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cs, "redefinition of ident '%.*s'", int(n.size()), n.data()
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};
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} else if (!is_valid_name(n)) {
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throw error{
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cs, "'%.*s' is not a valid variable name",
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int(n.size()), n.data()
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};
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}
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}
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LIBCUBESCRIPT_EXPORT integer_var &state::new_ivar(
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std::string_view n, integer_type v, bool read_only, var_type vtp
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) {
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auto *iv = p_tstate->istate->create<ivar_impl>(
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string_ref{p_tstate->istate, n}, v,
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var_flags(read_only, vtp)
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);
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try {
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var_name_check(*this, p_tstate->istate->get_ident(n), n);
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} catch (...) {
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p_tstate->istate->destroy(iv);
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throw;
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}
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p_tstate->istate->add_ident(iv, iv);
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return *iv;
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}
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LIBCUBESCRIPT_EXPORT float_var &state::new_fvar(
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std::string_view n, float_type v, bool read_only, var_type vtp
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) {
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auto *fv = p_tstate->istate->create<fvar_impl>(
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string_ref{p_tstate->istate, n}, v,
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var_flags(read_only, vtp)
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);
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try {
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var_name_check(*this, p_tstate->istate->get_ident(n), n);
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} catch (...) {
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p_tstate->istate->destroy(fv);
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throw;
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}
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p_tstate->istate->add_ident(fv, fv);
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return *fv;
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}
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LIBCUBESCRIPT_EXPORT string_var &state::new_svar(
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std::string_view n, std::string_view v, bool read_only, var_type vtp
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) {
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auto *sv = p_tstate->istate->create<svar_impl>(
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string_ref{p_tstate->istate, n}, string_ref{p_tstate->istate, v},
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var_flags(read_only, vtp)
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);
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try {
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var_name_check(*this, p_tstate->istate->get_ident(n), n);
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} catch (...) {
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p_tstate->istate->destroy(sv);
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throw;
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}
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p_tstate->istate->add_ident(sv, sv);
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return *sv;
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}
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LIBCUBESCRIPT_EXPORT ident &state::new_ident(std::string_view n) {
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return p_tstate->istate->new_ident(*this, n, IDENT_FLAG_UNKNOWN);
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}
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LIBCUBESCRIPT_EXPORT void state::reset_var(std::string_view name) {
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ident *id = get_ident(name);
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if (!id) {
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throw error{*this, "variable '%s' does not exist", name.data()};
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}
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auto *var = id->get_var();
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if (var && var->is_read_only()) {
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throw error{*this, "variable '%s' is read only", name.data()};
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}
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clear_override(*id);
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}
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LIBCUBESCRIPT_EXPORT void state::touch_var(std::string_view name) {
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ident *id = get_ident(name);
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if (id && id->is_var()) {
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var_changed(*p_tstate, id);
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}
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}
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LIBCUBESCRIPT_EXPORT void state::set_alias(
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std::string_view name, any_value v
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) {
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ident *id = get_ident(name);
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if (id) {
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switch (id->get_type()) {
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case ident_type::ALIAS: {
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static_cast<alias *>(id)->set_value(*this, std::move(v));
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return;
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}
|
|
case ident_type::IVAR:
|
|
case ident_type::FVAR:
|
|
case ident_type::SVAR:
|
|
run(*id, std::span<any_value>{&v, 1});
|
|
break;
|
|
default:
|
|
throw error{
|
|
*this, "cannot redefine builtin %s with an alias",
|
|
id->get_name().data()
|
|
};
|
|
}
|
|
} else if (!is_valid_name(name)) {
|
|
throw error{*this, "cannot alias invalid name '%s'", name.data()};
|
|
} else {
|
|
auto *a = p_tstate->istate->create<alias_impl>(
|
|
*this, string_ref{p_tstate->istate, name}, std::move(v),
|
|
p_tstate->ident_flags
|
|
);
|
|
p_tstate->istate->add_ident(a, a);
|
|
}
|
|
}
|
|
|
|
static char const *allowed_builtins[] = {
|
|
"//ivar", "//fvar", "//svar", "//var_changed",
|
|
"//ivar_builtin", "//fvar_builtin", "//svar_builtin",
|
|
nullptr
|
|
};
|
|
|
|
LIBCUBESCRIPT_EXPORT command &state::new_command(
|
|
std::string_view name, std::string_view args, command_func func
|
|
) {
|
|
int nargs = 0;
|
|
for (auto fmt = args.begin(); fmt != args.end(); ++fmt) {
|
|
switch (*fmt) {
|
|
case 'i':
|
|
case 'b':
|
|
case 'f':
|
|
case 'F':
|
|
case 't':
|
|
case 'E':
|
|
case 'N':
|
|
case 's':
|
|
case 'e':
|
|
case 'r':
|
|
case '$':
|
|
++nargs;
|
|
break;
|
|
case '1':
|
|
case '2':
|
|
case '3':
|
|
case '4': {
|
|
int nrep = (*fmt - '0');
|
|
if (nargs < nrep) {
|
|
throw error{
|
|
*this, "not enough arguments to repeat"
|
|
};
|
|
}
|
|
if ((args.end() - fmt) != 2) {
|
|
throw error{
|
|
*this, "malformed argument list"
|
|
};
|
|
}
|
|
if ((fmt[1] != 'C') && (fmt[1] != 'V')) {
|
|
throw error{
|
|
*this, "repetition without variadic arguments"
|
|
};
|
|
}
|
|
nargs -= nrep;
|
|
break;
|
|
}
|
|
case 'C':
|
|
case 'V':
|
|
if ((fmt + 1) != args.end()) {
|
|
throw error{
|
|
*this, "unterminated variadic argument list"
|
|
};
|
|
}
|
|
break;
|
|
default:
|
|
throw error{
|
|
*this, "invalid argument type: %c", *fmt
|
|
};
|
|
}
|
|
}
|
|
auto &is = *p_tstate->istate;
|
|
auto *cmd = is.create<command_impl>(
|
|
string_ref{&is, name}, string_ref{&is, args}, nargs, std::move(func)
|
|
);
|
|
/* we can set these builtins */
|
|
command **bptrs[] = {
|
|
&is.cmd_ivar, &is.cmd_fvar, &is.cmd_svar, &is.cmd_var_changed
|
|
};
|
|
auto nbptrs = sizeof(bptrs) / sizeof(*bptrs);
|
|
/* provided a builtin */
|
|
if ((name.size() >= 2) && (name[0] == '/') && (name[1] == '/')) {
|
|
/* sanitize */
|
|
for (auto **p = allowed_builtins; *p; ++p) {
|
|
if (!name.compare(*p)) {
|
|
/* if it's one of the settable ones, maybe set it */
|
|
if (std::size_t(p - allowed_builtins) < nbptrs) {
|
|
if (!is.get_ident(name)) {
|
|
/* only set if it does not exist already */
|
|
*bptrs[p - allowed_builtins] = cmd;
|
|
goto do_add;
|
|
}
|
|
}
|
|
/* this will ensure we're not redefining them */
|
|
goto valid;
|
|
}
|
|
}
|
|
/* we haven't found one matching the list, so error */
|
|
is.destroy(cmd);
|
|
throw error{
|
|
*this, "forbidden builtin command: %.*s",
|
|
int(name.size()), name.data()
|
|
};
|
|
}
|
|
valid:
|
|
if (is.get_ident(name)) {
|
|
is.destroy(cmd);
|
|
throw error{
|
|
*this, "redefinition of ident '%.*s'",
|
|
int(name.size()), name.data()
|
|
};
|
|
}
|
|
do_add:
|
|
is.add_ident(cmd, cmd);
|
|
return *cmd;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT void state::init_libs(int libs) {
|
|
if (libs & LIB_MATH) {
|
|
init_lib_math(*this);
|
|
}
|
|
if (libs & LIB_STRING) {
|
|
init_lib_string(*this);
|
|
}
|
|
if (libs & LIB_LIST) {
|
|
init_lib_list(*this);
|
|
}
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT any_value state::run(bcode_ref const &code) {
|
|
any_value ret{};
|
|
vm_exec(*p_tstate, bcode_p{code}.get()->get_raw(), ret);
|
|
return ret;
|
|
}
|
|
|
|
static any_value do_run(
|
|
thread_state &ts, std::string_view file, std::string_view code
|
|
) {
|
|
any_value ret{};
|
|
gen_state gs{ts};
|
|
gs.gen_main(code, file);
|
|
auto cref = gs.steal_ref();
|
|
vm_exec(ts, bcode_p{cref}.get()->get_raw(), ret);
|
|
return ret;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT any_value state::run(std::string_view code) {
|
|
return do_run(*p_tstate, std::string_view{}, code);
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT any_value state::run(
|
|
std::string_view code, std::string_view source
|
|
) {
|
|
return do_run(*p_tstate, source, code);
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT any_value state::run(
|
|
ident &id, std::span<any_value> args
|
|
) {
|
|
any_value ret{};
|
|
std::size_t nargs = args.size();
|
|
run_depth_guard level{*p_tstate}; /* incr and decr on scope exit */
|
|
switch (id.get_type()) {
|
|
default:
|
|
if (!ident_is_callable(&id)) {
|
|
break;
|
|
}
|
|
/* fallthrough */
|
|
case ident_type::COMMAND: {
|
|
auto &cimpl = static_cast<command_impl &>(id);
|
|
if (nargs < std::size_t(cimpl.get_num_args())) {
|
|
stack_guard s{*p_tstate}; /* restore after call */
|
|
auto &targs = p_tstate->vmstack;
|
|
auto osz = targs.size();
|
|
targs.resize(osz + cimpl.get_num_args());
|
|
for (std::size_t i = 0; i < nargs; ++i) {
|
|
targs[osz + i] = args[i];
|
|
}
|
|
exec_command(
|
|
*p_tstate, &cimpl, &id, &targs[osz], ret, nargs, false
|
|
);
|
|
} else {
|
|
exec_command(
|
|
*p_tstate, &cimpl, &id, &args[0], ret, nargs, false
|
|
);
|
|
}
|
|
nargs = 0;
|
|
break;
|
|
}
|
|
case ident_type::IVAR: {
|
|
auto *hid = p_tstate->istate->cmd_ivar;
|
|
auto *cimp = static_cast<command_impl *>(hid);
|
|
auto &targs = p_tstate->vmstack;
|
|
auto osz = targs.size();
|
|
auto anargs = std::size_t(cimp->get_num_args());
|
|
targs.resize(
|
|
osz + std::max(args.size(), anargs + 1)
|
|
);
|
|
for (std::size_t i = 0; i < nargs; ++i) {
|
|
targs[osz + i + 1] = args[i];
|
|
}
|
|
exec_command(
|
|
*p_tstate, cimp, &id, &targs[osz], ret, nargs + 1, false
|
|
);
|
|
break;
|
|
}
|
|
case ident_type::FVAR: {
|
|
auto *hid = p_tstate->istate->cmd_fvar;
|
|
auto *cimp = static_cast<command_impl *>(hid);
|
|
auto &targs = p_tstate->vmstack;
|
|
auto osz = targs.size();
|
|
auto anargs = std::size_t(cimp->get_num_args());
|
|
targs.resize(
|
|
osz + std::max(args.size(), anargs + 1)
|
|
);
|
|
for (std::size_t i = 0; i < nargs; ++i) {
|
|
targs[osz + i + 1] = args[i];
|
|
}
|
|
exec_command(
|
|
*p_tstate, cimp, &id, &targs[osz], ret, nargs + 1, false
|
|
);
|
|
break;
|
|
}
|
|
case ident_type::SVAR: {
|
|
auto *hid = p_tstate->istate->cmd_svar;
|
|
auto *cimp = static_cast<command_impl *>(hid);
|
|
auto &targs = p_tstate->vmstack;
|
|
auto osz = targs.size();
|
|
auto anargs = std::size_t(cimp->get_num_args());
|
|
targs.resize(
|
|
osz + std::max(args.size(), anargs + 1)
|
|
);
|
|
for (std::size_t i = 0; i < nargs; ++i) {
|
|
targs[osz + i + 1] = args[i];
|
|
}
|
|
exec_command(
|
|
*p_tstate, cimp, &id, &targs[osz], ret, nargs + 1, false
|
|
);
|
|
break;
|
|
}
|
|
case ident_type::ALIAS: {
|
|
alias &a = static_cast<alias &>(id);
|
|
if (a.is_arg() && !ident_is_used_arg(&a, *p_tstate)) {
|
|
break;
|
|
}
|
|
exec_alias(
|
|
*p_tstate, &a, &args[0], ret, nargs, nargs, 0, 0,
|
|
BC_RET_NULL, true
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT loop_state state::run_loop(
|
|
bcode_ref const &code, any_value &ret
|
|
) {
|
|
++p_tstate->loop_level;
|
|
try {
|
|
ret = run(code);
|
|
} catch (break_exception) {
|
|
--p_tstate->loop_level;
|
|
return loop_state::BREAK;
|
|
} catch (continue_exception) {
|
|
--p_tstate->loop_level;
|
|
return loop_state::CONTINUE;
|
|
} catch (...) {
|
|
--p_tstate->loop_level;
|
|
throw;
|
|
}
|
|
return loop_state::NORMAL;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT loop_state state::run_loop(bcode_ref const &code) {
|
|
any_value ret{};
|
|
return run_loop(code, ret);
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT bool state::get_override_mode() const {
|
|
return (p_tstate->ident_flags & IDENT_FLAG_OVERRIDDEN);
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT bool state::set_override_mode(bool v) {
|
|
bool was = get_override_mode();
|
|
if (v) {
|
|
p_tstate->ident_flags |= IDENT_FLAG_OVERRIDDEN;
|
|
} else {
|
|
p_tstate->ident_flags &= ~IDENT_FLAG_OVERRIDDEN;
|
|
}
|
|
return was;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT bool state::get_persist_mode() const {
|
|
return (p_tstate->ident_flags & IDENT_FLAG_PERSIST);
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT bool state::set_persist_mode(bool v) {
|
|
bool was = get_persist_mode();
|
|
if (v) {
|
|
p_tstate->ident_flags |= IDENT_FLAG_PERSIST;
|
|
} else {
|
|
p_tstate->ident_flags &= ~IDENT_FLAG_PERSIST;
|
|
}
|
|
return was;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT std::size_t state::get_max_run_depth() const {
|
|
return p_tstate->max_run_depth;
|
|
}
|
|
|
|
LIBCUBESCRIPT_EXPORT std::size_t state::set_max_run_depth(std::size_t v) {
|
|
auto old = p_tstate->max_run_depth;
|
|
p_tstate->max_run_depth = v;
|
|
return old;
|
|
}
|
|
|
|
} /* namespace cubescript */
|