1604 lines
58 KiB
C++
1604 lines
58 KiB
C++
#include <cubescript/cubescript.hh>
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#include "cs_vm.hh"
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#include "cs_std.hh"
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#include "cs_parser.hh"
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#include <cstdio>
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#include <limits>
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namespace cubescript {
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static inline bool ident_has_cb(ident *id) {
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if (!id->is_command() && !id->is_special()) {
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return false;
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}
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return !!static_cast<command_impl *>(id)->p_cb_cftv;
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}
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static inline void push_alias(state &cs, ident *id, ident_stack &st) {
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if (id->is_alias() && (id->get_index() >= MAX_ARGUMENTS)) {
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any_value nv{cs};
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static_cast<alias_impl *>(id)->push_arg(nv, st);
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}
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}
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static inline void pop_alias(ident *id) {
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if (id->is_alias() && (id->get_index() >= MAX_ARGUMENTS)) {
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static_cast<alias_impl *>(id)->pop_arg();
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}
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}
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stack_state::stack_state(state &cs, stack_state_node *nd, bool gap):
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p_state(cs), p_node(nd), p_gap(gap)
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{}
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stack_state::stack_state(stack_state &&st):
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p_state(st.p_state), p_node(st.p_node), p_gap(st.p_gap)
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{
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st.p_node = nullptr;
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st.p_gap = false;
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}
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stack_state::~stack_state() {
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size_t len = 0;
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for (stack_state_node const *nd = p_node; nd; nd = nd->next) {
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++len;
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}
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p_state.p_tstate->istate->destroy_array(p_node, len);
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}
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stack_state &stack_state::operator=(stack_state &&st) {
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p_node = st.p_node;
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p_gap = st.p_gap;
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st.p_node = nullptr;
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st.p_gap = false;
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return *this;
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}
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stack_state_node const *stack_state::get() const {
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return p_node;
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}
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bool stack_state::gap() const {
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return p_gap;
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}
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static inline void force_arg(any_value &v, int type) {
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switch (type) {
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case BC_RET_STRING:
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if (v.get_type() != value_type::STRING) {
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v.force_str();
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}
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break;
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case BC_RET_INT:
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if (v.get_type() != value_type::INT) {
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v.force_int();
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}
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break;
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case BC_RET_FLOAT:
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if (v.get_type() != value_type::FLOAT) {
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v.force_float();
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}
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break;
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}
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}
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static inline void callcommand(
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thread_state &ts, command_impl *id, any_value *args, any_value &res,
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std::size_t nargs, bool lookup = false
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) {
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int i = -1, fakeargs = 0, numargs = int(nargs);
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bool rep = false;
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auto fmt = id->get_args();
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for (auto it = fmt.begin(); it != fmt.end(); ++it) {
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switch (*it) {
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case 'i':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_int(0);
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fakeargs++;
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} else {
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args[i].force_int();
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}
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break;
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case 'b':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_int(std::numeric_limits<integer_type>::min());
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fakeargs++;
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} else {
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args[i].force_int();
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}
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break;
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case 'f':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_float(0.0f);
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fakeargs++;
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} else {
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args[i].force_float();
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}
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break;
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case 'F':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_float(args[i - 1].get_float());
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fakeargs++;
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} else {
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args[i].force_float();
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}
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break;
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case 's':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_str("");
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fakeargs++;
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} else {
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args[i].force_str();
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}
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break;
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case 'T':
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case 't':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_none();
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fakeargs++;
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}
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break;
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case 'E':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_none();
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fakeargs++;
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} else if (args[i].get_type() == value_type::STRING) {
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auto str = std::string_view{args[i].get_str()};
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if (str.empty()) {
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args[i].set_int(0);
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} else {
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args[i].force_code(*ts.pstate);
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}
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}
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break;
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case 'e':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_code(
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bcode_get_empty(ts.istate->empty, VAL_NULL)
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);
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fakeargs++;
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} else {
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args[i].force_code(*ts.pstate);
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}
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break;
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case 'r':
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if (++i >= numargs) {
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if (rep) {
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break;
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}
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args[i].set_ident(ts.istate->identmap[ID_IDX_DUMMY]);
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fakeargs++;
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} else {
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args[i].force_ident(*ts.pstate);
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}
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break;
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case '$':
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i += 1;
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args[i].set_ident(id);
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break;
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case 'N':
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i += 1;
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args[i].set_int(integer_type(lookup ? -1 : i - fakeargs));
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break;
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case 'C': {
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i = std::max(i + 1, numargs);
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any_value tv{*ts.pstate};
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tv.set_str(concat_values(
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*ts.pstate, std::span{args, std::size_t(i)}, " "
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));
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static_cast<command_impl *>(id)->call(
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*ts.pstate, std::span<any_value>(&tv, &tv + 1), res
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);
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return;
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}
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case 'V':
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i = std::max(i + 1, numargs);
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static_cast<command_impl *>(id)->call(
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*ts.pstate, std::span{args, std::size_t(i)}, res
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);
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return;
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case '1':
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case '2':
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case '3':
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case '4':
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if (i + 1 < numargs) {
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it -= *it - '0' + 1;
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rep = true;
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}
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break;
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}
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}
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++i;
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static_cast<command_impl *>(id)->call(
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*ts.pstate, std::span<any_value>{args, std::size_t(i)}, res
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);
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}
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static std::uint32_t *runcode(
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thread_state &ts, std::uint32_t *code, any_value &result
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);
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static inline void call_alias(
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thread_state &ts, alias *a, any_value *args, any_value &result,
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std::size_t callargs, std::size_t &nargs,
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std::size_t offset, std::size_t skip, std::uint32_t op
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) {
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integer_var *anargs = static_cast<integer_var *>(
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ts.istate->identmap[ID_IDX_NUMARGS]
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);
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valarray<ident_stack, MAX_ARGUMENTS> argstack{*ts.pstate};
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for(std::size_t i = 0; i < callargs; i++) {
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static_cast<alias_impl *>(ts.istate->identmap[i])->push_arg(
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args[offset + i], argstack[i], false
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);
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}
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auto oldargs = anargs->get_value();
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anargs->set_value(callargs);
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int oldflags = ts.pstate->identflags;
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ts.pstate->identflags |= a->get_flags()&IDENT_FLAG_OVERRIDDEN;
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ident_link aliaslink = {
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a, ts.callstack, (1<<callargs)-1, &argstack[0]
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};
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ts.callstack = &aliaslink;
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std::uint32_t *codep = static_cast<
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alias_impl *
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>(a)->compile_code(*ts.pstate)->get_raw();
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bcode_incr(codep);
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call_with_cleanup([&]() {
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runcode(ts, codep+1, result);
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}, [&]() {
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bcode_decr(codep);
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ts.callstack = aliaslink.next;
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ts.pstate->identflags = oldflags;
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for (std::size_t i = 0; i < callargs; i++) {
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static_cast<alias_impl *>(ts.istate->identmap[i])->pop_arg();
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}
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int argmask = aliaslink.usedargs & int(~0U << callargs);
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for (; argmask; ++callargs) {
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if (argmask & (1 << callargs)) {
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static_cast<alias_impl *>(
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ts.istate->identmap[callargs]
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)->pop_arg();
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argmask &= ~(1 << callargs);
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}
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}
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force_arg(result, op & BC_INST_RET_MASK);
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anargs->set_value(integer_type(oldargs));
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nargs = offset - skip;
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});
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}
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static constexpr int MaxRunDepth = 255;
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static thread_local int rundepth = 0;
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struct run_depth_guard {
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run_depth_guard() = delete;
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run_depth_guard(state &cs) {
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if (rundepth >= MaxRunDepth) {
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throw error(cs, "exceeded recursion limit");
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}
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++rundepth;
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}
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run_depth_guard(run_depth_guard const &) = delete;
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run_depth_guard(run_depth_guard &&) = delete;
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~run_depth_guard() { --rundepth; }
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};
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static inline alias *get_lookup_id(state &cs, std::uint32_t op) {
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ident *id = cs.p_tstate->istate->identmap[op >> 8];
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if (id->get_flags() & IDENT_FLAG_UNKNOWN) {
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throw error(cs, "unknown alias lookup: %s", id->get_name().data());
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}
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return static_cast<alias *>(id);
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}
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static inline alias *get_lookuparg_id(state &cs, std::uint32_t op) {
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ident *id = cs.p_tstate->istate->identmap[op >> 8];
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if (!ident_is_used_arg(id, cs)) {
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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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struct stack_guard {
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state *csp;
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std::size_t oldtop;
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stack_guard() = delete;
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stack_guard(state &cs):
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csp{&cs}, oldtop{cs.p_tstate->vmstack.size()}
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{}
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~stack_guard() {
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csp->p_tstate->vmstack.resize(oldtop, any_value{*csp});
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}
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stack_guard(stack_guard const &) = delete;
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stack_guard(stack_guard &&) = delete;
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};
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static inline int get_lookupu_type(
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thread_state &ts, any_value &arg, ident *&id, std::uint32_t op
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) {
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if (arg.get_type() != value_type::STRING) {
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return -2; /* default case */
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}
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id = ts.pstate->get_ident(arg.get_str());
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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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if (id->get_flags() & IDENT_FLAG_UNKNOWN) {
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break;
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}
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if (
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(id->get_index() < MAX_ARGUMENTS) &&
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!ident_is_used_arg(id, *ts.pstate)
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) {
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return ID_UNKNOWN;
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}
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return ID_ALIAS;
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case ident_type::SVAR:
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return ID_SVAR;
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case ident_type::IVAR:
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return ID_IVAR;
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case ident_type::FVAR:
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return ID_FVAR;
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case ident_type::COMMAND: {
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/* make sure value stack gets restored */
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stack_guard s{*ts.pstate};
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auto *cimpl = static_cast<command_impl *>(id);
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auto &args = ts.vmstack;
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auto osz = args.size();
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/* pad with as many empty values as we need */
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args.resize(osz + cimpl->get_num_args(), any_value{*ts.pstate});
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arg.set_none();
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callcommand(ts, cimpl, &args[osz], arg, 0, true);
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force_arg(arg, op & BC_INST_RET_MASK);
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return -2; /* ignore */
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}
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default:
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return ID_UNKNOWN;
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}
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}
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throw error{*ts.pstate, "unknown alias lookup: %s", arg.get_str().data()};
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}
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static std::uint32_t *runcode(
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thread_state &ts, std::uint32_t *code, any_value &result
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) {
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result.set_none();
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auto &cs = *ts.pstate;
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run_depth_guard level{cs}; /* incr and decr on scope exit */
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stack_guard guard{cs}; /* resize back to original */
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auto &args = ts.vmstack;
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auto &chook = cs.get_call_hook();
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if (chook) {
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chook(cs);
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}
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for (;;) {
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std::uint32_t op = *code++;
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switch (op & 0xFF) {
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case BC_INST_START:
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case BC_INST_OFFSET:
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continue;
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case BC_INST_NULL | BC_RET_NULL:
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result.set_none();
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continue;
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case BC_INST_NULL | BC_RET_STRING:
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result.set_str("");
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continue;
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case BC_INST_NULL | BC_RET_INT:
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result.set_int(0);
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continue;
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case BC_INST_NULL | BC_RET_FLOAT:
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result.set_float(0.0f);
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continue;
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case BC_INST_FALSE | BC_RET_STRING:
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result.set_str("0");
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continue;
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case BC_INST_FALSE | BC_RET_NULL:
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case BC_INST_FALSE | BC_RET_INT:
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result.set_int(0);
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continue;
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case BC_INST_FALSE | BC_RET_FLOAT:
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result.set_float(0.0f);
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continue;
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case BC_INST_TRUE | BC_RET_STRING:
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result.set_str("1");
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continue;
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case BC_INST_TRUE | BC_RET_NULL:
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case BC_INST_TRUE | BC_RET_INT:
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result.set_int(1);
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continue;
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case BC_INST_TRUE | BC_RET_FLOAT:
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result.set_float(1.0f);
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continue;
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case BC_INST_NOT | BC_RET_STRING:
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result.set_str(args.back().get_bool() ? "0" : "1");
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args.pop_back();
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continue;
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case BC_INST_NOT | BC_RET_NULL:
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case BC_INST_NOT | BC_RET_INT:
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result.set_int(!args.back().get_bool());
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args.pop_back();
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continue;
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case BC_INST_NOT | BC_RET_FLOAT:
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result.set_float(float_type(!args.back().get_bool()));
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args.pop_back();
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continue;
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case BC_INST_POP:
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args.pop_back();
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continue;
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case BC_INST_ENTER:
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code = runcode(ts, code, args.emplace_back(cs));
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continue;
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case BC_INST_ENTER_RESULT:
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code = runcode(ts, code, result);
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continue;
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case BC_INST_EXIT | BC_RET_STRING:
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case BC_INST_EXIT | BC_RET_INT:
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case BC_INST_EXIT | BC_RET_FLOAT:
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force_arg(result, op & BC_INST_RET_MASK);
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/* fallthrough */
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case BC_INST_EXIT | BC_RET_NULL:
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return code;
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case BC_INST_RESULT_ARG | BC_RET_STRING:
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case BC_INST_RESULT_ARG | BC_RET_INT:
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case BC_INST_RESULT_ARG | BC_RET_FLOAT:
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force_arg(result, op & BC_INST_RET_MASK);
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/* fallthrough */
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case BC_INST_RESULT_ARG | BC_RET_NULL:
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args.emplace_back(std::move(result));
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continue;
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case BC_INST_PRINT:
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cs.print_var(*static_cast<global_var *>(ts.istate->identmap[op >> 8]));
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continue;
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case BC_INST_LOCAL: {
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std::size_t numlocals = op >> 8;
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std::size_t offset = args.size() - numlocals;
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valarray<ident_stack, MAX_ARGUMENTS> locals{cs};
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for (std::size_t i = 0; i < numlocals; ++i) {
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push_alias(cs, args[offset + i].get_ident(), locals[i]);
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}
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call_with_cleanup([&]() {
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code = runcode(ts, code, result);
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}, [&]() {
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for (std::size_t i = offset; i < args.size(); ++i) {
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pop_alias(args[i].get_ident());
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}
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});
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return code;
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}
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case BC_INST_DO_ARGS | BC_RET_NULL:
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case BC_INST_DO_ARGS | BC_RET_STRING:
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case BC_INST_DO_ARGS | BC_RET_INT:
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case BC_INST_DO_ARGS | BC_RET_FLOAT:
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call_with_args(ts, [&]() {
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auto v = std::move(args.back());
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args.pop_back();
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cs.run(v.get_code(), result);
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force_arg(result, op & BC_INST_RET_MASK);
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});
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continue;
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/* fallthrough */
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case BC_INST_DO | BC_RET_NULL:
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case BC_INST_DO | BC_RET_STRING:
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|
case BC_INST_DO | BC_RET_INT:
|
|
case BC_INST_DO | BC_RET_FLOAT: {
|
|
auto v = std::move(args.back());
|
|
args.pop_back();
|
|
cs.run(v.get_code(), result);
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_JUMP: {
|
|
std::uint32_t len = op >> 8;
|
|
code += len;
|
|
continue;
|
|
}
|
|
case BC_INST_JUMP_B | BC_INST_FLAG_TRUE: {
|
|
std::uint32_t len = op >> 8;
|
|
if (args.back().get_bool()) {
|
|
code += len;
|
|
}
|
|
args.pop_back();
|
|
continue;
|
|
}
|
|
case BC_INST_JUMP_B | BC_INST_FLAG_FALSE: {
|
|
std::uint32_t len = op >> 8;
|
|
if (!args.back().get_bool()) {
|
|
code += len;
|
|
}
|
|
args.pop_back();
|
|
continue;
|
|
}
|
|
case BC_INST_JUMP_RESULT | BC_INST_FLAG_TRUE: {
|
|
std::uint32_t len = op >> 8;
|
|
auto v = std::move(args.back());
|
|
args.pop_back();
|
|
if (v.get_type() == value_type::CODE) {
|
|
cs.run(v.get_code(), result);
|
|
} else {
|
|
result = std::move(v);
|
|
}
|
|
if (result.get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case BC_INST_JUMP_RESULT | BC_INST_FLAG_FALSE: {
|
|
std::uint32_t len = op >> 8;
|
|
auto v = std::move(args.back());
|
|
args.pop_back();
|
|
if (v.get_type() == value_type::CODE) {
|
|
cs.run(v.get_code(), result);
|
|
} else {
|
|
result = std::move(v);
|
|
}
|
|
if (!result.get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case BC_INST_BREAK | BC_INST_FLAG_FALSE:
|
|
if (cs.is_in_loop()) {
|
|
throw break_exception();
|
|
} else {
|
|
throw error{cs, "no loop to break"};
|
|
}
|
|
break;
|
|
case BC_INST_BREAK | BC_INST_FLAG_TRUE:
|
|
if (cs.is_in_loop()) {
|
|
throw continue_exception();
|
|
} else {
|
|
throw error{cs, "no loop to continue"};
|
|
}
|
|
break;
|
|
|
|
case BC_INST_VAL | BC_RET_STRING: {
|
|
std::uint32_t len = op >> 8;
|
|
args.emplace_back(cs).set_str(std::string_view{
|
|
reinterpret_cast<char const *>(code), len
|
|
});
|
|
code += len / sizeof(std::uint32_t) + 1;
|
|
continue;
|
|
}
|
|
case BC_INST_VAL_INT | BC_RET_STRING: {
|
|
char s[4] = {
|
|
char((op >> 8) & 0xFF),
|
|
char((op >> 16) & 0xFF),
|
|
char((op >> 24) & 0xFF), '\0'
|
|
};
|
|
/* gotta cast or r.size() == potentially 3 */
|
|
args.emplace_back(cs).set_str(static_cast<char const *>(s));
|
|
continue;
|
|
}
|
|
case BC_INST_VAL | BC_RET_NULL:
|
|
case BC_INST_VAL_INT | BC_RET_NULL:
|
|
args.emplace_back(cs).set_none();
|
|
continue;
|
|
case BC_INST_VAL | BC_RET_INT:
|
|
args.emplace_back(cs).set_int(
|
|
*reinterpret_cast<integer_type const *>(code)
|
|
);
|
|
code += bc_store_size<integer_type>;
|
|
continue;
|
|
case BC_INST_VAL_INT | BC_RET_INT:
|
|
args.emplace_back(cs).set_int(integer_type(op) >> 8);
|
|
continue;
|
|
case BC_INST_VAL | BC_RET_FLOAT:
|
|
args.emplace_back(cs).set_float(
|
|
*reinterpret_cast<float_type const *>(code)
|
|
);
|
|
code += bc_store_size<float_type>;
|
|
continue;
|
|
case BC_INST_VAL_INT | BC_RET_FLOAT:
|
|
args.emplace_back(cs).set_float(
|
|
float_type(integer_type(op) >> 8)
|
|
);
|
|
continue;
|
|
|
|
case BC_INST_DUP | BC_RET_NULL: {
|
|
auto &v = args.back();
|
|
v.get_val(args.emplace_back(cs));
|
|
continue;
|
|
}
|
|
case BC_INST_DUP | BC_RET_INT: {
|
|
auto &v = args.back();
|
|
args.emplace_back(cs).set_int(v.get_int());
|
|
continue;
|
|
}
|
|
case BC_INST_DUP | BC_RET_FLOAT: {
|
|
auto &v = args.back();
|
|
args.emplace_back(cs).set_float(v.get_float());
|
|
continue;
|
|
}
|
|
case BC_INST_DUP | BC_RET_STRING: {
|
|
auto &v = args.back();
|
|
auto &nv = args.emplace_back(cs);
|
|
nv = v;
|
|
nv.force_str();
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_FORCE | BC_RET_STRING:
|
|
args.back().force_str();
|
|
continue;
|
|
case BC_INST_FORCE | BC_RET_INT:
|
|
args.back().force_int();
|
|
continue;
|
|
case BC_INST_FORCE | BC_RET_FLOAT:
|
|
args.back().force_float();
|
|
continue;
|
|
|
|
case BC_INST_RESULT | BC_RET_NULL:
|
|
result = std::move(args.back());
|
|
args.pop_back();
|
|
continue;
|
|
case BC_INST_RESULT | BC_RET_STRING:
|
|
case BC_INST_RESULT | BC_RET_INT:
|
|
case BC_INST_RESULT | BC_RET_FLOAT:
|
|
result = std::move(args.back());
|
|
args.pop_back();
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
|
|
case BC_INST_EMPTY | BC_RET_NULL:
|
|
args.emplace_back(cs).set_code(
|
|
bcode_get_empty(ts.istate->empty, VAL_NULL)
|
|
);
|
|
break;
|
|
case BC_INST_EMPTY | BC_RET_STRING:
|
|
args.emplace_back(cs).set_code(
|
|
bcode_get_empty(ts.istate->empty, VAL_STRING)
|
|
);
|
|
break;
|
|
case BC_INST_EMPTY | BC_RET_INT:
|
|
args.emplace_back(cs).set_code(
|
|
bcode_get_empty(ts.istate->empty, VAL_INT)
|
|
);
|
|
break;
|
|
case BC_INST_EMPTY | BC_RET_FLOAT:
|
|
args.emplace_back(cs).set_code(
|
|
bcode_get_empty(ts.istate->empty, VAL_FLOAT)
|
|
);
|
|
break;
|
|
case BC_INST_BLOCK: {
|
|
std::uint32_t len = op >> 8;
|
|
args.emplace_back(cs).set_code(
|
|
reinterpret_cast<bcode *>(code + 1)
|
|
);
|
|
code += len;
|
|
continue;
|
|
}
|
|
case BC_INST_COMPILE: {
|
|
any_value &arg = args.back();
|
|
codegen_state gs{cs};
|
|
switch (arg.get_type()) {
|
|
case value_type::INT:
|
|
gs.code.reserve(8);
|
|
gs.code.push_back(BC_INST_START);
|
|
gs.gen_int(arg.get_int());
|
|
gs.code.push_back(BC_INST_RESULT);
|
|
gs.code.push_back(BC_INST_EXIT);
|
|
break;
|
|
case value_type::FLOAT:
|
|
gs.code.reserve(8);
|
|
gs.code.push_back(BC_INST_START);
|
|
gs.gen_float(arg.get_float());
|
|
gs.code.push_back(BC_INST_RESULT);
|
|
gs.code.push_back(BC_INST_EXIT);
|
|
break;
|
|
case value_type::STRING:
|
|
gs.code.reserve(64);
|
|
gs.gen_main(arg.get_str());
|
|
break;
|
|
default:
|
|
gs.code.reserve(8);
|
|
gs.code.push_back(BC_INST_START);
|
|
gs.gen_null();
|
|
gs.code.push_back(BC_INST_RESULT);
|
|
gs.code.push_back(BC_INST_EXIT);
|
|
break;
|
|
}
|
|
gs.done();
|
|
std::uint32_t *cbuf = bcode_alloc(gs.cs, gs.code.size());
|
|
std::memcpy(
|
|
cbuf, gs.code.data(),
|
|
gs.code.size() * sizeof(std::uint32_t)
|
|
);
|
|
arg.set_code(
|
|
reinterpret_cast<bcode *>(cbuf + 1)
|
|
);
|
|
continue;
|
|
}
|
|
case BC_INST_COND: {
|
|
any_value &arg = args.back();
|
|
switch (arg.get_type()) {
|
|
case value_type::STRING: {
|
|
std::string_view s = arg.get_str();
|
|
if (!s.empty()) {
|
|
codegen_state gs{cs};
|
|
gs.code.reserve(64);
|
|
gs.gen_main(s);
|
|
gs.done();
|
|
std::uint32_t *cbuf = bcode_alloc(
|
|
gs.cs, gs.code.size()
|
|
);
|
|
std::memcpy(
|
|
cbuf, gs.code.data(),
|
|
gs.code.size() * sizeof(std::uint32_t)
|
|
);
|
|
arg.set_code(reinterpret_cast<bcode *>(cbuf + 1));
|
|
} else {
|
|
arg.force_none();
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_IDENT:
|
|
args.emplace_back(cs).set_ident(ts.istate->identmap[op >> 8]);
|
|
continue;
|
|
case BC_INST_IDENT_ARG: {
|
|
alias *a = static_cast<alias *>(
|
|
ts.istate->identmap[op >> 8]
|
|
);
|
|
if (!ident_is_used_arg(a, cs)) {
|
|
any_value nv{cs};
|
|
static_cast<alias_impl *>(a)->push_arg(
|
|
nv, ts.callstack->argstack[a->get_index()],
|
|
false
|
|
);
|
|
ts.callstack->usedargs |= 1 << a->get_index();
|
|
}
|
|
args.emplace_back(cs).set_ident(a);
|
|
continue;
|
|
}
|
|
case BC_INST_IDENT_U: {
|
|
any_value &arg = args.back();
|
|
ident *id = ts.istate->identmap[ID_IDX_DUMMY];
|
|
if (arg.get_type() == value_type::STRING) {
|
|
id = cs.new_ident(arg.get_str());
|
|
}
|
|
if ((id->get_index() < MAX_ARGUMENTS) && !ident_is_used_arg(id, cs)) {
|
|
any_value nv{cs};
|
|
static_cast<alias_impl *>(id)->push_arg(
|
|
nv, ts.callstack->argstack[id->get_index()],
|
|
false
|
|
);
|
|
ts.callstack->usedargs |= 1 << id->get_index();
|
|
}
|
|
arg.set_ident(id);
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_LOOKUP_U | BC_RET_STRING: {
|
|
ident *id = nullptr;
|
|
any_value &arg = args.back();
|
|
switch (get_lookupu_type(ts, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg = static_cast<alias *>(id)->get_value();
|
|
arg.force_str();
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_str(static_cast<string_var *>(id)->get_value());
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(static_cast<integer_var *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(static_cast<float_var *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_str("");
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case BC_INST_LOOKUP | BC_RET_STRING: {
|
|
auto &v = args.emplace_back(cs);
|
|
v = get_lookup_id(cs, op)->get_value();
|
|
v.force_str();
|
|
continue;
|
|
}
|
|
case BC_INST_LOOKUP_ARG | BC_RET_STRING: {
|
|
alias *a = get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args.emplace_back(cs).set_str("");
|
|
} else {
|
|
auto &v = args.emplace_back(cs);
|
|
v = a->get_value();
|
|
v.force_str();
|
|
}
|
|
continue;
|
|
}
|
|
case BC_INST_LOOKUP_U | BC_RET_INT: {
|
|
ident *id = nullptr;
|
|
any_value &arg = args.back();
|
|
switch (get_lookupu_type(ts, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg.set_int(
|
|
static_cast<alias *>(id)->get_value().get_int()
|
|
);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_int(parse_int(
|
|
static_cast<string_var *>(id)->get_value()
|
|
));
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(static_cast<integer_var *>(id)->get_value());
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_int(
|
|
integer_type(static_cast<float_var *>(id)->get_value())
|
|
);
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_int(0);
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case BC_INST_LOOKUP | BC_RET_INT:
|
|
args.emplace_back(cs).set_int(
|
|
get_lookup_id(cs, op)->get_value().get_int()
|
|
);
|
|
continue;
|
|
case BC_INST_LOOKUP_ARG | BC_RET_INT: {
|
|
alias *a = get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args.emplace_back(cs).set_int(0);
|
|
} else {
|
|
args.emplace_back(cs).set_int(a->get_value().get_int());
|
|
}
|
|
continue;
|
|
}
|
|
case BC_INST_LOOKUP_U | BC_RET_FLOAT: {
|
|
ident *id = nullptr;
|
|
any_value &arg = args.back();
|
|
switch (get_lookupu_type(ts, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg.set_float(
|
|
static_cast<alias *>(id)->get_value().get_float()
|
|
);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_float(parse_float(
|
|
static_cast<string_var *>(id)->get_value()
|
|
));
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_float(float_type(
|
|
static_cast<integer_var *>(id)->get_value()
|
|
));
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(
|
|
static_cast<float_var *>(id)->get_value()
|
|
);
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_float(float_type(0));
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case BC_INST_LOOKUP | BC_RET_FLOAT:
|
|
args.emplace_back(cs).set_float(
|
|
get_lookup_id(cs, op)->get_value().get_float()
|
|
);
|
|
continue;
|
|
case BC_INST_LOOKUP_ARG | BC_RET_FLOAT: {
|
|
alias *a = get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args.emplace_back(cs).set_float(float_type(0));
|
|
} else {
|
|
args.emplace_back(cs).set_float(a->get_value().get_float());
|
|
}
|
|
continue;
|
|
}
|
|
case BC_INST_LOOKUP_U | BC_RET_NULL: {
|
|
ident *id = nullptr;
|
|
any_value &arg = args.back();
|
|
switch (get_lookupu_type(ts, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
static_cast<alias *>(id)->get_value().get_val(arg);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_str(static_cast<string_var *>(id)->get_value());
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(static_cast<integer_var *>(id)->get_value());
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(
|
|
static_cast<float_var *>(id)->get_value()
|
|
);
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_none();
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case BC_INST_LOOKUP | BC_RET_NULL:
|
|
get_lookup_id(cs, op)->get_value().get_val(
|
|
args.emplace_back(cs)
|
|
);
|
|
continue;
|
|
case BC_INST_LOOKUP_ARG | BC_RET_NULL: {
|
|
alias *a = get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args.emplace_back(cs).set_none();
|
|
} else {
|
|
a->get_value().get_val(args.emplace_back(cs));
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_LOOKUP_MU | BC_RET_STRING: {
|
|
ident *id = nullptr;
|
|
any_value &arg = args.back();
|
|
switch (get_lookupu_type(ts, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg = static_cast<alias *>(id)->get_value();
|
|
arg.force_str();
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_str(static_cast<string_var *>(id)->get_value());
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(static_cast<integer_var *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(static_cast<float_var *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_str("");
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case BC_INST_LOOKUP_M | BC_RET_STRING: {
|
|
auto &v = args.emplace_back(cs);
|
|
v = get_lookup_id(cs, op)->get_value();
|
|
v.force_str();
|
|
continue;
|
|
}
|
|
case BC_INST_LOOKUP_MARG | BC_RET_STRING: {
|
|
alias *a = get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args.emplace_back(cs).set_str("");
|
|
} else {
|
|
auto &v = args.emplace_back(cs);
|
|
v = a->get_value();
|
|
v.force_str();
|
|
}
|
|
continue;
|
|
}
|
|
case BC_INST_LOOKUP_MU | BC_RET_NULL: {
|
|
ident *id = nullptr;
|
|
any_value &arg = args.back();
|
|
switch (get_lookupu_type(ts, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
static_cast<alias *>(id)->get_cval(arg);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_str(static_cast<string_var *>(id)->get_value());
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(static_cast<integer_var *>(id)->get_value());
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(static_cast<float_var *>(id)->get_value());
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_none();
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case BC_INST_LOOKUP_M | BC_RET_NULL:
|
|
get_lookup_id(cs, op)->get_cval(args.emplace_back(cs));
|
|
continue;
|
|
case BC_INST_LOOKUP_MARG | BC_RET_NULL: {
|
|
alias *a = get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args.emplace_back(cs).set_none();
|
|
} else {
|
|
a->get_cval(args.emplace_back(cs));
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_SVAR | BC_RET_STRING:
|
|
case BC_INST_SVAR | BC_RET_NULL:
|
|
args.emplace_back(cs).set_str(static_cast<string_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value());
|
|
continue;
|
|
case BC_INST_SVAR | BC_RET_INT:
|
|
args.emplace_back(cs).set_int(parse_int(
|
|
static_cast<string_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value()
|
|
));
|
|
continue;
|
|
case BC_INST_SVAR | BC_RET_FLOAT:
|
|
args.emplace_back(cs).set_float(parse_float(
|
|
static_cast<string_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value()
|
|
));
|
|
continue;
|
|
case BC_INST_SVAR1: {
|
|
auto v = std::move(args.back());
|
|
args.pop_back();
|
|
cs.set_var_str_checked(
|
|
static_cast<string_var *>(ts.istate->identmap[op >> 8]),
|
|
v.get_str()
|
|
);
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_IVAR | BC_RET_INT:
|
|
case BC_INST_IVAR | BC_RET_NULL:
|
|
args.emplace_back(cs).set_int(static_cast<integer_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value());
|
|
continue;
|
|
case BC_INST_IVAR | BC_RET_STRING: {
|
|
auto &v = args.emplace_back(cs);
|
|
v.set_int(static_cast<integer_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value());
|
|
v.force_str();
|
|
continue;
|
|
}
|
|
case BC_INST_IVAR | BC_RET_FLOAT:
|
|
args.emplace_back(cs).set_float(float_type(
|
|
static_cast<integer_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value()
|
|
));
|
|
continue;
|
|
case BC_INST_IVAR1: {
|
|
auto v = std::move(args.back());
|
|
args.pop_back();
|
|
cs.set_var_int_checked(
|
|
static_cast<integer_var *>(ts.istate->identmap[op >> 8]),
|
|
v.get_int()
|
|
);
|
|
continue;
|
|
}
|
|
case BC_INST_IVAR2: {
|
|
auto v1 = std::move(args.back()); args.pop_back();
|
|
auto v2 = std::move(args.back()); args.pop_back();
|
|
cs.set_var_int_checked(
|
|
static_cast<integer_var *>(ts.istate->identmap[op >> 8]),
|
|
(v2.get_int() << 16) | (v1.get_int() << 8)
|
|
);
|
|
continue;
|
|
}
|
|
case BC_INST_IVAR3: {
|
|
auto v1 = std::move(args.back()); args.pop_back();
|
|
auto v2 = std::move(args.back()); args.pop_back();
|
|
auto v3 = std::move(args.back()); args.pop_back();
|
|
cs.set_var_int_checked(
|
|
static_cast<integer_var *>(ts.istate->identmap[op >> 8]),
|
|
(v3.get_int() << 16) | (v2.get_int() << 8) | (v1.get_int())
|
|
);
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_FVAR | BC_RET_FLOAT:
|
|
case BC_INST_FVAR | BC_RET_NULL:
|
|
args.emplace_back(cs).set_float(static_cast<float_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value());
|
|
continue;
|
|
case BC_INST_FVAR | BC_RET_STRING: {
|
|
auto &v = args.emplace_back(cs);
|
|
v.set_int(static_cast<float_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value());
|
|
v.force_str();
|
|
continue;
|
|
}
|
|
case BC_INST_FVAR | BC_RET_INT:
|
|
args.emplace_back(cs).set_int(int(static_cast<float_var *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->get_value()));
|
|
continue;
|
|
case BC_INST_FVAR1: {
|
|
auto &v = args.back();
|
|
cs.set_var_float_checked(
|
|
static_cast<float_var *>(ts.istate->identmap[op >> 8]),
|
|
v.get_float()
|
|
);
|
|
args.pop_back();
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_COM | BC_RET_NULL:
|
|
case BC_INST_COM | BC_RET_STRING:
|
|
case BC_INST_COM | BC_RET_FLOAT:
|
|
case BC_INST_COM | BC_RET_INT: {
|
|
command_impl *id = static_cast<command_impl *>(
|
|
ts.istate->identmap[op >> 8]
|
|
);
|
|
std::size_t offset = args.size() - id->get_num_args();
|
|
result.force_none();
|
|
id->call(cs, std::span<any_value>{
|
|
&args[offset], std::size_t(id->get_num_args())
|
|
}, result);
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
args.resize(offset, any_value{cs});
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_COM_V | BC_RET_NULL:
|
|
case BC_INST_COM_V | BC_RET_STRING:
|
|
case BC_INST_COM_V | BC_RET_FLOAT:
|
|
case BC_INST_COM_V | BC_RET_INT: {
|
|
command_impl *id = static_cast<command_impl *>(
|
|
ts.istate->identmap[op >> 13]
|
|
);
|
|
std::size_t callargs = (op >> 8) & 0x1F;
|
|
std::size_t offset = args.size() - callargs;
|
|
result.force_none();
|
|
id->call(cs, std::span{&args[offset], callargs}, result);
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
args.resize(offset, any_value{cs});
|
|
continue;
|
|
}
|
|
case BC_INST_COM_C | BC_RET_NULL:
|
|
case BC_INST_COM_C | BC_RET_STRING:
|
|
case BC_INST_COM_C | BC_RET_FLOAT:
|
|
case BC_INST_COM_C | BC_RET_INT: {
|
|
command_impl *id = static_cast<command_impl *>(
|
|
ts.istate->identmap[op >> 13]
|
|
);
|
|
std::size_t callargs = (op >> 8) & 0x1F,
|
|
offset = args.size() - callargs;
|
|
result.force_none();
|
|
{
|
|
any_value tv{cs};
|
|
tv.set_str(concat_values(cs, std::span{
|
|
&args[offset], callargs
|
|
}, " "));
|
|
id->call(cs, std::span<any_value>{&tv, 1}, result);
|
|
}
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
args.resize(offset, any_value{cs});
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_CONC | BC_RET_NULL:
|
|
case BC_INST_CONC | BC_RET_STRING:
|
|
case BC_INST_CONC | BC_RET_FLOAT:
|
|
case BC_INST_CONC | BC_RET_INT:
|
|
case BC_INST_CONC_W | BC_RET_NULL:
|
|
case BC_INST_CONC_W | BC_RET_STRING:
|
|
case BC_INST_CONC_W | BC_RET_FLOAT:
|
|
case BC_INST_CONC_W | BC_RET_INT: {
|
|
std::size_t numconc = op >> 8;
|
|
auto buf = concat_values(
|
|
cs, std::span{&args[args.size() - numconc], numconc},
|
|
((op & BC_INST_OP_MASK) == BC_INST_CONC) ? " " : ""
|
|
);
|
|
args.resize(args.size() - numconc, any_value{cs});
|
|
force_arg(args.emplace_back(cs), op & BC_INST_RET_MASK);
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_CONC_M | BC_RET_NULL:
|
|
case BC_INST_CONC_M | BC_RET_STRING:
|
|
case BC_INST_CONC_M | BC_RET_FLOAT:
|
|
case BC_INST_CONC_M | BC_RET_INT: {
|
|
std::size_t numconc = op >> 8;
|
|
auto buf = concat_values(
|
|
cs, std::span{&args[args.size() - numconc], numconc}
|
|
);
|
|
args.resize(args.size() - numconc, any_value{cs});
|
|
result.set_str(buf);
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_ALIAS:
|
|
static_cast<alias_impl *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->set_alias(cs, args.back());
|
|
args.pop_back();
|
|
continue;
|
|
case BC_INST_ALIAS_ARG:
|
|
static_cast<alias_impl *>(
|
|
ts.istate->identmap[op >> 8]
|
|
)->set_arg(cs, args.back());
|
|
args.pop_back();
|
|
continue;
|
|
case BC_INST_ALIAS_U: {
|
|
auto v = std::move(args.back());
|
|
args.pop_back();
|
|
cs.set_alias(args.back().get_str(), std::move(v));
|
|
args.pop_back();
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_CALL | BC_RET_NULL:
|
|
case BC_INST_CALL | BC_RET_STRING:
|
|
case BC_INST_CALL | BC_RET_FLOAT:
|
|
case BC_INST_CALL | BC_RET_INT: {
|
|
result.force_none();
|
|
ident *id = ts.istate->identmap[op >> 13];
|
|
std::size_t callargs = (op >> 8) & 0x1F;
|
|
std::size_t nnargs = args.size();
|
|
std::size_t offset = nnargs - callargs;
|
|
if (id->get_flags() & IDENT_FLAG_UNKNOWN) {
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
throw error{
|
|
cs, "unknown command: %s", id->get_name().data()
|
|
};
|
|
}
|
|
call_alias(
|
|
ts, static_cast<alias *>(id), &args[0], result, callargs,
|
|
nnargs, offset, 0, op
|
|
);
|
|
args.resize(nnargs, any_value{cs});
|
|
continue;
|
|
}
|
|
case BC_INST_CALL_ARG | BC_RET_NULL:
|
|
case BC_INST_CALL_ARG | BC_RET_STRING:
|
|
case BC_INST_CALL_ARG | BC_RET_FLOAT:
|
|
case BC_INST_CALL_ARG | BC_RET_INT: {
|
|
result.force_none();
|
|
ident *id = ts.istate->identmap[op >> 13];
|
|
std::size_t callargs = (op >> 8) & 0x1F;
|
|
std::size_t nnargs = args.size();
|
|
std::size_t offset = nnargs - callargs;
|
|
if (!ident_is_used_arg(id, cs)) {
|
|
args.resize(offset, any_value{cs});
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
}
|
|
call_alias(
|
|
ts, static_cast<alias *>(id), &args[0], result, callargs,
|
|
nnargs, offset, 0, op
|
|
);
|
|
args.resize(nnargs, any_value{cs});
|
|
continue;
|
|
}
|
|
|
|
case BC_INST_CALL_U | BC_RET_NULL:
|
|
case BC_INST_CALL_U | BC_RET_STRING:
|
|
case BC_INST_CALL_U | BC_RET_FLOAT:
|
|
case BC_INST_CALL_U | BC_RET_INT: {
|
|
std::size_t callargs = op >> 8;
|
|
std::size_t nnargs = args.size();
|
|
std::size_t offset = nnargs - callargs;
|
|
any_value &idarg = args[offset - 1];
|
|
if (idarg.get_type() != value_type::STRING) {
|
|
litval:
|
|
result = std::move(idarg);
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
args.resize(offset - 1, any_value{cs});
|
|
continue;
|
|
}
|
|
auto idn = idarg.get_str();
|
|
ident *id = cs.get_ident(idn);
|
|
if (!id) {
|
|
noid:
|
|
if (!is_valid_name(idn)) {
|
|
goto litval;
|
|
}
|
|
result.force_none();
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
std::string_view ids{idn};
|
|
throw error{
|
|
cs, "unknown command: %s", ids.data()
|
|
};
|
|
}
|
|
result.force_none();
|
|
switch (id->get_raw_type()) {
|
|
default:
|
|
if (!ident_has_cb(id)) {
|
|
args.resize(offset - 1, any_value{cs});
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
}
|
|
/* fallthrough */
|
|
case ID_COMMAND:
|
|
callcommand(
|
|
ts, static_cast<command_impl *>(id),
|
|
&args[offset], result, callargs
|
|
);
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
args.resize(offset - 1, any_value{cs});
|
|
continue;
|
|
case ID_LOCAL: {
|
|
valarray<ident_stack, MAX_ARGUMENTS> locals{cs};
|
|
for (size_t j = 0; j < size_t(callargs); ++j) {
|
|
push_alias(
|
|
cs, args[offset + j].force_ident(cs), locals[j]
|
|
);
|
|
}
|
|
call_with_cleanup([&]() {
|
|
code = runcode(ts, code, result);
|
|
}, [&]() {
|
|
for (size_t j = 0; j < size_t(callargs); ++j) {
|
|
pop_alias(args[offset + j].get_ident());
|
|
}
|
|
});
|
|
return code;
|
|
}
|
|
case ID_IVAR:
|
|
if (callargs <= 0) {
|
|
cs.print_var(*static_cast<global_var *>(id));
|
|
} else {
|
|
cs.set_var_int_checked(
|
|
static_cast<integer_var *>(id),
|
|
std::span{&args[offset], std::size_t(callargs)}
|
|
);
|
|
}
|
|
args.resize(offset - 1, any_value{cs});
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
case ID_FVAR:
|
|
if (callargs <= 0) {
|
|
cs.print_var(*static_cast<global_var *>(id));
|
|
} else {
|
|
cs.set_var_float_checked(
|
|
static_cast<float_var *>(id),
|
|
args[offset].force_float()
|
|
);
|
|
}
|
|
args.resize(offset - 1, any_value{cs});
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
case ID_SVAR:
|
|
if (callargs <= 0) {
|
|
cs.print_var(*static_cast<global_var *>(id));
|
|
} else {
|
|
cs.set_var_str_checked(
|
|
static_cast<string_var *>(id),
|
|
args[offset].force_str()
|
|
);
|
|
}
|
|
args.resize(offset - 1, any_value{cs});
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
case ID_ALIAS: {
|
|
alias *a = static_cast<alias *>(id);
|
|
if (
|
|
(a->get_index() < MAX_ARGUMENTS) &&
|
|
!ident_is_used_arg(a, cs)
|
|
) {
|
|
args.resize(offset - 1, any_value{cs});
|
|
force_arg(result, op & BC_INST_RET_MASK);
|
|
continue;
|
|
}
|
|
if (a->get_value().get_type() == value_type::NONE) {
|
|
goto noid;
|
|
}
|
|
call_alias(
|
|
ts, a, &args[0], result, callargs, nnargs,
|
|
offset, 1, op
|
|
);
|
|
args.resize(nnargs, any_value{cs});
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return code;
|
|
}
|
|
|
|
void state::run(bcode *code, any_value &ret) {
|
|
runcode(*p_tstate, reinterpret_cast<std::uint32_t *>(code), ret);
|
|
}
|
|
|
|
static void do_run(
|
|
state &cs, std::string_view file, std::string_view code,
|
|
any_value &ret
|
|
) {
|
|
codegen_state gs{cs};
|
|
gs.src_name = file;
|
|
gs.code.reserve(64);
|
|
gs.gen_main(code, VAL_ANY);
|
|
gs.done();
|
|
std::uint32_t *cbuf = bcode_alloc(gs.cs, gs.code.size());
|
|
std::memcpy(cbuf, gs.code.data(), gs.code.size() * sizeof(std::uint32_t));
|
|
bcode_incr(cbuf);
|
|
call_with_cleanup([&cs, cbuf, &ret]() {
|
|
runcode(*cs.p_tstate, cbuf + 1, ret);
|
|
}, [cbuf]() {
|
|
bcode_decr(cbuf);
|
|
});
|
|
}
|
|
|
|
void state::run(std::string_view code, any_value &ret) {
|
|
do_run(*this, std::string_view{}, code, ret);
|
|
}
|
|
|
|
void state::run(
|
|
std::string_view code, any_value &ret, std::string_view source
|
|
) {
|
|
do_run(*this, source, code, ret);
|
|
}
|
|
|
|
void state::run(ident *id, std::span<any_value> args, any_value &ret) {
|
|
std::size_t nargs = args.size();
|
|
ret.set_none();
|
|
run_depth_guard level{*this}; /* incr and decr on scope exit */
|
|
if (id) {
|
|
switch (id->get_type()) {
|
|
default:
|
|
if (!ident_has_cb(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{*this}; /* restore after call */
|
|
auto &targs = p_tstate->vmstack;
|
|
auto osz = targs.size();
|
|
targs.resize(osz + cimpl->get_num_args(), any_value{*this});
|
|
for (std::size_t i = 0; i < nargs; ++i) {
|
|
targs[osz + i] = args[i];
|
|
}
|
|
callcommand(
|
|
*p_tstate, cimpl, &targs[osz], ret, nargs, false
|
|
);
|
|
} else {
|
|
callcommand(*p_tstate, cimpl, &args[0], ret, nargs, false);
|
|
}
|
|
nargs = 0;
|
|
break;
|
|
}
|
|
case ident_type::IVAR:
|
|
if (args.empty()) {
|
|
print_var(*static_cast<global_var *>(id));
|
|
} else {
|
|
set_var_int_checked(static_cast<integer_var *>(id), args);
|
|
}
|
|
break;
|
|
case ident_type::FVAR:
|
|
if (args.empty()) {
|
|
print_var(*static_cast<global_var *>(id));
|
|
} else {
|
|
set_var_float_checked(
|
|
static_cast<float_var *>(id), args[0].force_float()
|
|
);
|
|
}
|
|
break;
|
|
case ident_type::SVAR:
|
|
if (args.empty()) {
|
|
print_var(*static_cast<global_var *>(id));
|
|
} else {
|
|
set_var_str_checked(
|
|
static_cast<string_var *>(id), args[0].force_str()
|
|
);
|
|
}
|
|
break;
|
|
case ident_type::ALIAS: {
|
|
alias *a = static_cast<alias *>(id);
|
|
if (
|
|
(a->get_index() < MAX_ARGUMENTS) && !ident_is_used_arg(a, *this)
|
|
) {
|
|
break;
|
|
}
|
|
if (a->get_value().get_type() == value_type::NONE) {
|
|
break;
|
|
}
|
|
call_alias(
|
|
*p_tstate, a, &args[0], ret, nargs, nargs, 0, 0, BC_RET_NULL
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
any_value state::run(bcode *code) {
|
|
any_value ret{*this};
|
|
run(code, ret);
|
|
return ret;
|
|
}
|
|
|
|
any_value state::run(std::string_view code) {
|
|
any_value ret{*this};
|
|
run(code, ret);
|
|
return ret;
|
|
}
|
|
|
|
any_value state::run(std::string_view code, std::string_view source) {
|
|
any_value ret{*this};
|
|
run(code, ret, source);
|
|
return ret;
|
|
}
|
|
|
|
any_value state::run(ident *id, std::span<any_value> args) {
|
|
any_value ret{*this};
|
|
run(id, args, ret);
|
|
return ret;
|
|
}
|
|
|
|
loop_state state::run_loop(bcode *code, any_value &ret) {
|
|
++p_tstate->loop_level;
|
|
try {
|
|
run(code, ret);
|
|
} 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;
|
|
}
|
|
|
|
loop_state state::run_loop(bcode *code) {
|
|
any_value ret{*this};
|
|
return run_loop(code, ret);
|
|
}
|
|
|
|
bool state::is_in_loop() const {
|
|
return !!p_tstate->loop_level;
|
|
}
|
|
|
|
} /* namespace cubescript */
|