1726 lines
61 KiB
C++
1726 lines
61 KiB
C++
#include <cubescript/cubescript.hh>
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#include "cs_vm.hh"
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#include "cs_util.hh"
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#include <cstdio>
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#include <limits>
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namespace cscript {
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struct cs_cmd_internal {
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static void call(
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cs_state &cs, cs_command *c, std::span<cs_value> args, cs_value &ret
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) {
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c->p_cb_cftv(cs, args, ret);
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}
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static bool has_cb(cs_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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cs_command *cb = static_cast<cs_command *>(id);
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return !!cb->p_cb_cftv;
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}
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};
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static inline void cs_push_alias(cs_state &cs, cs_ident *id, cs_ident_stack &st) {
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if (id->is_alias() && (id->get_index() >= MaxArguments)) {
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cs_value nv{cs};
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cs_alias_internal::push_arg(static_cast<cs_alias *>(id), nv, st);
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}
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}
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static inline void cs_pop_alias(cs_ident *id) {
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if (id->is_alias() && (id->get_index() >= MaxArguments)) {
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cs_alias_internal::pop_arg(static_cast<cs_alias *>(id));
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}
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}
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cs_stack_state::cs_stack_state(cs_state &cs, 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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cs_stack_state::cs_stack_state(cs_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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cs_stack_state::~cs_stack_state() {
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size_t len = 0;
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for (cs_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_state->destroy_array(p_node, len);
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}
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cs_stack_state &cs_stack_state::operator=(cs_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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cs_stack_state_node const *cs_stack_state::get() const {
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return p_node;
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}
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bool cs_stack_state::gap() const {
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return p_gap;
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}
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cs_stack_state cs_error::save_stack(cs_state &cs) {
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cs_ivar *dalias = static_cast<cs_ivar *>(cs.p_state->identmap[DbgaliasIdx]);
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if (!dalias->get_value()) {
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return cs_stack_state(cs, nullptr, !!cs.p_callstack);
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}
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int total = 0, depth = 0;
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for (cs_ident_link *l = cs.p_callstack; l; l = l->next) {
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total++;
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}
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if (!total) {
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return cs_stack_state(cs, nullptr, false);
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}
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cs_stack_state_node *st = cs.p_state->create_array<cs_stack_state_node>(
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std::min(total, dalias->get_value())
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);
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cs_stack_state_node *ret = st, *nd = st;
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++st;
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for (cs_ident_link *l = cs.p_callstack; l; l = l->next) {
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++depth;
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if (depth < dalias->get_value()) {
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nd->id = l->id;
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nd->index = total - depth + 1;
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if (!l->next) {
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nd->next = nullptr;
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} else {
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nd->next = st;
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}
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nd = st++;
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} else if (!l->next) {
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nd->id = l->id;
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nd->index = 1;
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nd->next = nullptr;
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}
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}
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return cs_stack_state(cs, ret, total > dalias->get_value());
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}
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std::string_view cs_error::save_msg(
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cs_state &cs, std::string_view msg
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) {
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if (msg.size() >= sizeof(cs.p_errbuf)) {
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msg = msg.substr(0, sizeof(cs.p_errbuf) - 1);
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}
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cs_gen_state *gs = cs.p_pstate;
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if (gs) {
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/* we can attach line number */
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int sz;
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if (!gs->src_name.empty()) {
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sz = snprintf(
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cs.p_errbuf, sizeof(cs.p_errbuf), "%.*s:%zu: %.*s",
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int(gs->src_name.size()), gs->src_name.data(),
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gs->current_line,
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int(msg.size()), msg.data()
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);
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} else {
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sz = snprintf(
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cs.p_errbuf, sizeof(cs.p_errbuf), "%zu: %.*s",
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gs->current_line, int(msg.size()), msg.data()
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);
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}
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if (sz <= 0) {
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strncpy(cs.p_errbuf, "format error", sizeof(cs.p_errbuf));
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sz = strlen(cs.p_errbuf);
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}
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return std::string_view{cs.p_errbuf, std::size_t(sz)};
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}
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memcpy(cs.p_errbuf, msg.data(), msg.size());
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cs.p_errbuf[msg.size()] = '\0';
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return std::string_view{cs.p_errbuf, msg.size()};
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}
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static void bcode_ref(uint32_t *code) {
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if (!code) {
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return;
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}
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if ((*code & CS_CODE_OP_MASK) == CS_CODE_START) {
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bcode_incr(code);
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return;
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}
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switch (code[-1]&CS_CODE_OP_MASK) {
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case CS_CODE_START:
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bcode_incr(&code[-1]);
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break;
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case CS_CODE_OFFSET:
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code -= std::ptrdiff_t(code[-1] >> 8);
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bcode_incr(code);
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break;
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}
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}
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static void bcode_unref(uint32_t *code) {
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if (!code) {
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return;
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}
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if ((*code & CS_CODE_OP_MASK) == CS_CODE_START) {
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bcode_decr(code);
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return;
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}
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switch (code[-1]&CS_CODE_OP_MASK) {
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case CS_CODE_START:
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bcode_decr(&code[-1]);
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break;
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case CS_CODE_OFFSET:
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code -= std::ptrdiff_t(code[-1] >> 8);
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bcode_decr(code);
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break;
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}
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}
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cs_bcode_ref::cs_bcode_ref(cs_bcode *v): p_code(v) {
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bcode_ref(reinterpret_cast<uint32_t *>(p_code));
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}
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cs_bcode_ref::cs_bcode_ref(cs_bcode_ref const &v): p_code(v.p_code) {
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bcode_ref(reinterpret_cast<uint32_t *>(p_code));
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}
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cs_bcode_ref::~cs_bcode_ref() {
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bcode_unref(reinterpret_cast<uint32_t *>(p_code));
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}
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cs_bcode_ref &cs_bcode_ref::operator=(cs_bcode_ref const &v) {
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bcode_unref(reinterpret_cast<uint32_t *>(p_code));
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p_code = v.p_code;
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bcode_ref(reinterpret_cast<uint32_t *>(p_code));
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return *this;
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}
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cs_bcode_ref &cs_bcode_ref::operator=(cs_bcode_ref &&v) {
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bcode_unref(reinterpret_cast<uint32_t *>(p_code));
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p_code = v.p_code;
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v.p_code = nullptr;
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return *this;
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}
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static inline uint32_t *forcecode(cs_state &cs, cs_value &v) {
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uint32_t *code = reinterpret_cast<uint32_t *>(v.get_code());
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if (!code) {
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cs_gen_state gs(cs);
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gs.code.reserve(64);
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gs.gen_main(v.get_str());
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gs.done();
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uint32_t *cbuf = new uint32_t[gs.code.size()];
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memcpy(cbuf, gs.code.data(), gs.code.size() * sizeof(uint32_t));
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v.set_code(reinterpret_cast<cs_bcode *>(cbuf + 1));
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code = reinterpret_cast<uint32_t *>(v.get_code());
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}
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return code;
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}
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static inline void forcecond(cs_state &cs, cs_value &v) {
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switch (v.get_type()) {
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case cs_value_type::STRING:
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if (!std::string_view{v.get_str()}.empty()) {
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forcecode(cs, v);
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} else {
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v.set_int(0);
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}
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break;
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default:
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break;
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}
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}
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static uint32_t emptyblock[CS_VAL_ANY][2] = {
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{ CS_CODE_START + 0x100, CS_CODE_EXIT | CS_RET_NULL },
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{ CS_CODE_START + 0x100, CS_CODE_EXIT | CS_RET_INT },
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{ CS_CODE_START + 0x100, CS_CODE_EXIT | CS_RET_FLOAT },
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{ CS_CODE_START + 0x100, CS_CODE_EXIT | CS_RET_STRING }
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};
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static inline void force_arg(cs_value &v, int type) {
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switch (type) {
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case CS_RET_STRING:
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if (v.get_type() != cs_value_type::STRING) {
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v.force_str();
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}
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break;
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case CS_RET_INT:
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if (v.get_type() != cs_value_type::INT) {
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v.force_int();
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}
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break;
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case CS_RET_FLOAT:
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if (v.get_type() != cs_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 uint32_t *skipcode(uint32_t *code) {
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int depth = 0;
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for (;;) {
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uint32_t op = *code++;
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switch (op & 0xFF) {
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case CS_CODE_VAL | CS_RET_STRING: {
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uint32_t len = op >> 8;
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code += len / sizeof(uint32_t) + 1;
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continue;
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}
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case CS_CODE_BLOCK:
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case CS_CODE_JUMP:
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case CS_CODE_JUMP_B | CS_CODE_FLAG_TRUE:
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case CS_CODE_JUMP_B | CS_CODE_FLAG_FALSE:
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case CS_CODE_JUMP_RESULT | CS_CODE_FLAG_TRUE:
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case CS_CODE_JUMP_RESULT | CS_CODE_FLAG_FALSE: {
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uint32_t len = op >> 8;
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code += len;
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continue;
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}
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case CS_CODE_ENTER:
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case CS_CODE_ENTER_RESULT:
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++depth;
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continue;
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case CS_CODE_EXIT | CS_RET_NULL:
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case CS_CODE_EXIT | CS_RET_STRING:
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case CS_CODE_EXIT | CS_RET_INT:
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case CS_CODE_EXIT | CS_RET_FLOAT:
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if (depth <= 0) {
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return code;
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}
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--depth;
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continue;
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}
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}
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}
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cs_bcode *cs_copy_code(cs_bcode *c) {
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uint32_t *bcode = reinterpret_cast<uint32_t *>(c);
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uint32_t *end = skipcode(bcode);
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uint32_t *dst = new uint32_t[end - bcode + 1];
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*dst++ = CS_CODE_START;
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memcpy(dst, bcode, (end - bcode) * sizeof(uint32_t));
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return reinterpret_cast<cs_bcode *>(dst);
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}
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static inline void callcommand(
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cs_state &cs, cs_command *id, cs_value *args, cs_value &res, int numargs,
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bool lookup = false
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) {
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int i = -1, fakeargs = 0;
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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<cs_int>::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 {
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forcecond(cs, args[i]);
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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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reinterpret_cast<cs_bcode *>(emptyblock[CS_VAL_NULL] + 1)
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);
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fakeargs++;
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} else {
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forcecode(cs, args[i]);
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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(cs.p_state->identmap[DummyIdx]);
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fakeargs++;
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} else {
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cs.force_ident(args[i]);
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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(cs_int(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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cs_value tv{cs};
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tv.set_str(value_list_concat(
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cs, std::span{args, std::size_t(i)}, " "
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));
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cs_cmd_internal::call(
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cs, id, std::span<cs_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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cs_cmd_internal::call(
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cs, id, 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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cs_cmd_internal::call(
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cs, id, std::span<cs_value>{args, std::size_t(i)}, res
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);
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}
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static uint32_t *runcode(cs_state &cs, uint32_t *code, cs_value &result);
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static inline void cs_call_alias(
|
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cs_state &cs, cs_alias *a, cs_value *args, cs_value &result,
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int callargs, int &nargs, int offset, int skip, uint32_t op
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) {
|
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cs_ivar *anargs = static_cast<cs_ivar *>(cs.p_state->identmap[NumargsIdx]);
|
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cs_valarray<cs_ident_stack, MaxArguments> argstack{cs};
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for(int i = 0; i < callargs; i++) {
|
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cs_alias_internal::push_arg(
|
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static_cast<cs_alias *>(cs.p_state->identmap[i]),
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args[offset + i], argstack[i], false
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);
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}
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int oldargs = anargs->get_value();
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anargs->set_value(callargs);
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int oldflags = cs.identflags;
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cs.identflags |= a->get_flags()&CS_IDF_OVERRIDDEN;
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cs_ident_link aliaslink = {
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a, cs.p_callstack, (1<<callargs)-1, &argstack[0]
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};
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cs.p_callstack = &aliaslink;
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uint32_t *codep = reinterpret_cast<uint32_t *>(
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cs_alias_internal::compile_code(a, cs)
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);
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bcode_incr(codep);
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cs_do_and_cleanup([&]() {
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runcode(cs, codep+1, result);
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}, [&]() {
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bcode_decr(codep);
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cs.p_callstack = aliaslink.next;
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cs.identflags = oldflags;
|
|
for (int i = 0; i < callargs; i++) {
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cs_alias_internal::pop_arg(
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static_cast<cs_alias *>(cs.p_state->identmap[i])
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);
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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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cs_alias_internal::pop_arg(static_cast<cs_alias *>(
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cs.p_state->identmap[callargs])
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);
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argmask &= ~(1 << callargs);
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}
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}
|
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force_arg(result, op & CS_CODE_RET_MASK);
|
|
anargs->set_value(oldargs);
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nargs = offset - skip;
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});
|
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}
|
|
|
|
static constexpr int MaxRunDepth = 255;
|
|
static thread_local int rundepth = 0;
|
|
|
|
struct RunDepthRef {
|
|
RunDepthRef() = delete;
|
|
RunDepthRef(cs_state &cs) {
|
|
if (rundepth >= MaxRunDepth) {
|
|
throw cs_error(cs, "exceeded recursion limit");
|
|
}
|
|
++rundepth;
|
|
}
|
|
RunDepthRef(RunDepthRef const &) = delete;
|
|
RunDepthRef(RunDepthRef &&) = delete;
|
|
~RunDepthRef() { --rundepth; }
|
|
};
|
|
|
|
static inline cs_alias *cs_get_lookup_id(cs_state &cs, uint32_t op) {
|
|
cs_ident *id = cs.p_state->identmap[op >> 8];
|
|
if (id->get_flags() & CS_IDF_UNKNOWN) {
|
|
throw cs_error(cs, "unknown alias lookup: %s", id->get_name().data());
|
|
}
|
|
return static_cast<cs_alias *>(id);
|
|
}
|
|
|
|
static inline cs_alias *cs_get_lookuparg_id(cs_state &cs, uint32_t op) {
|
|
cs_ident *id = cs.p_state->identmap[op >> 8];
|
|
if (!cs_is_arg_used(cs, id)) {
|
|
return nullptr;
|
|
}
|
|
return static_cast<cs_alias *>(id);
|
|
}
|
|
|
|
static inline int cs_get_lookupu_type(
|
|
cs_state &cs, cs_value &arg, cs_ident *&id, uint32_t op
|
|
) {
|
|
if (arg.get_type() != cs_value_type::STRING) {
|
|
return -2; /* default case */
|
|
}
|
|
id = cs.get_ident(arg.get_str());
|
|
if (id) {
|
|
switch(id->get_type()) {
|
|
case cs_ident_type::ALIAS:
|
|
if (id->get_flags() & CS_IDF_UNKNOWN) {
|
|
break;
|
|
}
|
|
if ((id->get_index() < MaxArguments) && !cs_is_arg_used(cs, id)) {
|
|
return CsIdUnknown;
|
|
}
|
|
return CsIdAlias;
|
|
case cs_ident_type::SVAR:
|
|
return CsIdSvar;
|
|
case cs_ident_type::IVAR:
|
|
return CsIdIvar;
|
|
case cs_ident_type::FVAR:
|
|
return CsIdFvar;
|
|
case cs_ident_type::COMMAND: {
|
|
arg.set_none();
|
|
cs_valarray<cs_value, MaxArguments> buf{cs};
|
|
callcommand(cs, static_cast<cs_command *>(id), &buf[0], arg, 0, true);
|
|
force_arg(arg, op & CS_CODE_RET_MASK);
|
|
return -2; /* ignore */
|
|
}
|
|
default:
|
|
return CsIdUnknown;
|
|
}
|
|
}
|
|
throw cs_error(cs, "unknown alias lookup: %s", arg.get_str().data());
|
|
}
|
|
|
|
static uint32_t *runcode(cs_state &cs, uint32_t *code, cs_value &result) {
|
|
result.set_none();
|
|
RunDepthRef level{cs}; /* incr and decr on scope exit */
|
|
int numargs = 0;
|
|
cs_valarray<cs_value, MaxArguments + MaxResults> args{cs};
|
|
auto &chook = cs.get_call_hook();
|
|
if (chook) {
|
|
chook(cs);
|
|
}
|
|
for (;;) {
|
|
uint32_t op = *code++;
|
|
switch (op & 0xFF) {
|
|
case CS_CODE_START:
|
|
case CS_CODE_OFFSET:
|
|
continue;
|
|
|
|
case CS_CODE_NULL | CS_RET_NULL:
|
|
result.set_none();
|
|
continue;
|
|
case CS_CODE_NULL | CS_RET_STRING:
|
|
result.set_str("");
|
|
continue;
|
|
case CS_CODE_NULL | CS_RET_INT:
|
|
result.set_int(0);
|
|
continue;
|
|
case CS_CODE_NULL | CS_RET_FLOAT:
|
|
result.set_float(0.0f);
|
|
continue;
|
|
|
|
case CS_CODE_FALSE | CS_RET_STRING:
|
|
result.set_str("0");
|
|
continue;
|
|
case CS_CODE_FALSE | CS_RET_NULL:
|
|
case CS_CODE_FALSE | CS_RET_INT:
|
|
result.set_int(0);
|
|
continue;
|
|
case CS_CODE_FALSE | CS_RET_FLOAT:
|
|
result.set_float(0.0f);
|
|
continue;
|
|
|
|
case CS_CODE_TRUE | CS_RET_STRING:
|
|
result.set_str("1");
|
|
continue;
|
|
case CS_CODE_TRUE | CS_RET_NULL:
|
|
case CS_CODE_TRUE | CS_RET_INT:
|
|
result.set_int(1);
|
|
continue;
|
|
case CS_CODE_TRUE | CS_RET_FLOAT:
|
|
result.set_float(1.0f);
|
|
continue;
|
|
|
|
case CS_CODE_NOT | CS_RET_STRING:
|
|
--numargs;
|
|
result.set_str(args[numargs].get_bool() ? "0" : "1");
|
|
continue;
|
|
case CS_CODE_NOT | CS_RET_NULL:
|
|
case CS_CODE_NOT | CS_RET_INT:
|
|
--numargs;
|
|
result.set_int(!args[numargs].get_bool());
|
|
continue;
|
|
case CS_CODE_NOT | CS_RET_FLOAT:
|
|
--numargs;
|
|
result.set_float(cs_float(!args[numargs].get_bool()));
|
|
continue;
|
|
|
|
case CS_CODE_POP:
|
|
numargs -= 1;
|
|
continue;
|
|
case CS_CODE_ENTER:
|
|
code = runcode(cs, code, args[numargs++]);
|
|
continue;
|
|
case CS_CODE_ENTER_RESULT:
|
|
code = runcode(cs, code, result);
|
|
continue;
|
|
case CS_CODE_EXIT | CS_RET_STRING:
|
|
case CS_CODE_EXIT | CS_RET_INT:
|
|
case CS_CODE_EXIT | CS_RET_FLOAT:
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
/* fallthrough */
|
|
case CS_CODE_EXIT | CS_RET_NULL:
|
|
return code;
|
|
case CS_CODE_RESULT_ARG | CS_RET_STRING:
|
|
case CS_CODE_RESULT_ARG | CS_RET_INT:
|
|
case CS_CODE_RESULT_ARG | CS_RET_FLOAT:
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
/* fallthrough */
|
|
case CS_CODE_RESULT_ARG | CS_RET_NULL:
|
|
args[numargs++] = std::move(result);
|
|
continue;
|
|
case CS_CODE_PRINT:
|
|
cs.print_var(*static_cast<cs_var *>(cs.p_state->identmap[op >> 8]));
|
|
continue;
|
|
|
|
case CS_CODE_LOCAL: {
|
|
int numlocals = op >> 8, offset = numargs - numlocals;
|
|
cs_valarray<cs_ident_stack, MaxArguments> locals{cs};
|
|
for (int i = 0; i < numlocals; ++i) {
|
|
cs_push_alias(cs, args[offset + i].get_ident(), locals[i]);
|
|
}
|
|
cs_do_and_cleanup([&]() {
|
|
code = runcode(cs, code, result);
|
|
}, [&]() {
|
|
for (int i = offset; i < numargs; i++) {
|
|
cs_pop_alias(args[i].get_ident());
|
|
}
|
|
});
|
|
return code;
|
|
}
|
|
|
|
case CS_CODE_DO_ARGS | CS_RET_NULL:
|
|
case CS_CODE_DO_ARGS | CS_RET_STRING:
|
|
case CS_CODE_DO_ARGS | CS_RET_INT:
|
|
case CS_CODE_DO_ARGS | CS_RET_FLOAT:
|
|
cs_do_args(cs, [&]() {
|
|
cs.run(args[--numargs].get_code(), result);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
});
|
|
continue;
|
|
/* fallthrough */
|
|
case CS_CODE_DO | CS_RET_NULL:
|
|
case CS_CODE_DO | CS_RET_STRING:
|
|
case CS_CODE_DO | CS_RET_INT:
|
|
case CS_CODE_DO | CS_RET_FLOAT:
|
|
cs.run(args[--numargs].get_code(), result);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
|
|
case CS_CODE_JUMP: {
|
|
uint32_t len = op >> 8;
|
|
code += len;
|
|
continue;
|
|
}
|
|
case CS_CODE_JUMP_B | CS_CODE_FLAG_TRUE: {
|
|
uint32_t len = op >> 8;
|
|
if (args[--numargs].get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_JUMP_B | CS_CODE_FLAG_FALSE: {
|
|
uint32_t len = op >> 8;
|
|
if (!args[--numargs].get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_JUMP_RESULT | CS_CODE_FLAG_TRUE: {
|
|
uint32_t len = op >> 8;
|
|
--numargs;
|
|
if (args[numargs].get_type() == cs_value_type::CODE) {
|
|
cs.run(args[numargs].get_code(), result);
|
|
} else {
|
|
result = std::move(args[numargs]);
|
|
}
|
|
if (result.get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_JUMP_RESULT | CS_CODE_FLAG_FALSE: {
|
|
uint32_t len = op >> 8;
|
|
--numargs;
|
|
if (args[numargs].get_type() == cs_value_type::CODE) {
|
|
cs.run(args[numargs].get_code(), result);
|
|
} else {
|
|
result = std::move(args[numargs]);
|
|
}
|
|
if (!result.get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_BREAK | CS_CODE_FLAG_FALSE:
|
|
if (cs.is_in_loop()) {
|
|
throw CsBreakException();
|
|
} else {
|
|
throw cs_error(cs, "no loop to break");
|
|
}
|
|
break;
|
|
case CS_CODE_BREAK | CS_CODE_FLAG_TRUE:
|
|
if (cs.is_in_loop()) {
|
|
throw CsContinueException();
|
|
} else {
|
|
throw cs_error(cs, "no loop to continue");
|
|
}
|
|
break;
|
|
|
|
case CS_CODE_VAL | CS_RET_STRING: {
|
|
uint32_t len = op >> 8;
|
|
args[numargs++].set_str(std::string_view{
|
|
reinterpret_cast<char const *>(code), len
|
|
});
|
|
code += len / sizeof(uint32_t) + 1;
|
|
continue;
|
|
}
|
|
case CS_CODE_VAL_INT | CS_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[numargs++].set_str(static_cast<char const *>(s));
|
|
continue;
|
|
}
|
|
case CS_CODE_VAL | CS_RET_NULL:
|
|
case CS_CODE_VAL_INT | CS_RET_NULL:
|
|
args[numargs++].set_none();
|
|
continue;
|
|
case CS_CODE_VAL | CS_RET_INT:
|
|
args[numargs++].set_int(
|
|
*reinterpret_cast<cs_int const *>(code)
|
|
);
|
|
code += CsTypeStorageSize<cs_int>;
|
|
continue;
|
|
case CS_CODE_VAL_INT | CS_RET_INT:
|
|
args[numargs++].set_int(cs_int(op) >> 8);
|
|
continue;
|
|
case CS_CODE_VAL | CS_RET_FLOAT:
|
|
args[numargs++].set_float(
|
|
*reinterpret_cast<cs_float const *>(code)
|
|
);
|
|
code += CsTypeStorageSize<cs_float>;
|
|
continue;
|
|
case CS_CODE_VAL_INT | CS_RET_FLOAT:
|
|
args[numargs++].set_float(cs_float(cs_int(op) >> 8));
|
|
continue;
|
|
|
|
case CS_CODE_DUP | CS_RET_NULL:
|
|
args[numargs - 1].get_val(args[numargs]);
|
|
numargs++;
|
|
continue;
|
|
case CS_CODE_DUP | CS_RET_INT:
|
|
args[numargs].set_int(args[numargs - 1].get_int());
|
|
numargs++;
|
|
continue;
|
|
case CS_CODE_DUP | CS_RET_FLOAT:
|
|
args[numargs].set_float(args[numargs - 1].get_float());
|
|
numargs++;
|
|
continue;
|
|
case CS_CODE_DUP | CS_RET_STRING:
|
|
args[numargs] = args[numargs - 1];
|
|
args[numargs].force_str();
|
|
numargs++;
|
|
continue;
|
|
|
|
case CS_CODE_FORCE | CS_RET_STRING:
|
|
args[numargs - 1].force_str();
|
|
continue;
|
|
case CS_CODE_FORCE | CS_RET_INT:
|
|
args[numargs - 1].force_int();
|
|
continue;
|
|
case CS_CODE_FORCE | CS_RET_FLOAT:
|
|
args[numargs - 1].force_float();
|
|
continue;
|
|
|
|
case CS_CODE_RESULT | CS_RET_NULL:
|
|
result = std::move(args[--numargs]);
|
|
continue;
|
|
case CS_CODE_RESULT | CS_RET_STRING:
|
|
case CS_CODE_RESULT | CS_RET_INT:
|
|
case CS_CODE_RESULT | CS_RET_FLOAT:
|
|
result = std::move(args[--numargs]);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
|
|
case CS_CODE_EMPTY | CS_RET_NULL:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<cs_bcode *>(emptyblock[CS_VAL_NULL] + 1)
|
|
);
|
|
break;
|
|
case CS_CODE_EMPTY | CS_RET_STRING:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<cs_bcode *>(emptyblock[CS_VAL_STRING] + 1)
|
|
);
|
|
break;
|
|
case CS_CODE_EMPTY | CS_RET_INT:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<cs_bcode *>(emptyblock[CS_VAL_INT] + 1)
|
|
);
|
|
break;
|
|
case CS_CODE_EMPTY | CS_RET_FLOAT:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<cs_bcode *>(emptyblock[CS_VAL_FLOAT] + 1)
|
|
);
|
|
break;
|
|
case CS_CODE_BLOCK: {
|
|
uint32_t len = op >> 8;
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<cs_bcode *>(code + 1)
|
|
);
|
|
code += len;
|
|
continue;
|
|
}
|
|
case CS_CODE_COMPILE: {
|
|
cs_value &arg = args[numargs - 1];
|
|
cs_gen_state gs(cs);
|
|
switch (arg.get_type()) {
|
|
case cs_value_type::INT:
|
|
gs.code.reserve(8);
|
|
gs.code.push_back(CS_CODE_START);
|
|
gs.gen_int(arg.get_int());
|
|
gs.code.push_back(CS_CODE_RESULT);
|
|
gs.code.push_back(CS_CODE_EXIT);
|
|
break;
|
|
case cs_value_type::FLOAT:
|
|
gs.code.reserve(8);
|
|
gs.code.push_back(CS_CODE_START);
|
|
gs.gen_float(arg.get_float());
|
|
gs.code.push_back(CS_CODE_RESULT);
|
|
gs.code.push_back(CS_CODE_EXIT);
|
|
break;
|
|
case cs_value_type::STRING:
|
|
gs.code.reserve(64);
|
|
gs.gen_main(arg.get_str());
|
|
break;
|
|
default:
|
|
gs.code.reserve(8);
|
|
gs.code.push_back(CS_CODE_START);
|
|
gs.gen_null();
|
|
gs.code.push_back(CS_CODE_RESULT);
|
|
gs.code.push_back(CS_CODE_EXIT);
|
|
break;
|
|
}
|
|
gs.done();
|
|
uint32_t *cbuf = new uint32_t[gs.code.size()];
|
|
memcpy(cbuf, gs.code.data(), gs.code.size() * sizeof(uint32_t));
|
|
arg.set_code(
|
|
reinterpret_cast<cs_bcode *>(cbuf + 1)
|
|
);
|
|
continue;
|
|
}
|
|
case CS_CODE_COND: {
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (arg.get_type()) {
|
|
case cs_value_type::STRING: {
|
|
std::string_view s = arg.get_str();
|
|
if (!s.empty()) {
|
|
cs_gen_state gs(cs);
|
|
gs.code.reserve(64);
|
|
gs.gen_main(s);
|
|
gs.done();
|
|
uint32_t *cbuf = new uint32_t[gs.code.size()];
|
|
memcpy(
|
|
cbuf, gs.code.data(),
|
|
gs.code.size() * sizeof(uint32_t)
|
|
);
|
|
arg.set_code(reinterpret_cast<cs_bcode *>(cbuf + 1));
|
|
} else {
|
|
arg.force_none();
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_IDENT:
|
|
args[numargs++].set_ident(cs.p_state->identmap[op >> 8]);
|
|
continue;
|
|
case CS_CODE_IDENT_ARG: {
|
|
cs_alias *a = static_cast<cs_alias *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
);
|
|
if (!cs_is_arg_used(cs, a)) {
|
|
cs_value nv{cs};
|
|
cs_alias_internal::push_arg(
|
|
a, nv, cs.p_callstack->argstack[a->get_index()], false
|
|
);
|
|
cs.p_callstack->usedargs |= 1 << a->get_index();
|
|
}
|
|
args[numargs++].set_ident(a);
|
|
continue;
|
|
}
|
|
case CS_CODE_IDENT_U: {
|
|
cs_value &arg = args[numargs - 1];
|
|
cs_ident *id = cs.p_state->identmap[DummyIdx];
|
|
if (arg.get_type() == cs_value_type::STRING) {
|
|
id = cs.new_ident(arg.get_str());
|
|
}
|
|
if ((id->get_index() < MaxArguments) && !cs_is_arg_used(cs, id)) {
|
|
cs_value nv{cs};
|
|
cs_alias_internal::push_arg(
|
|
static_cast<cs_alias *>(id), nv,
|
|
cs.p_callstack->argstack[id->get_index()], false
|
|
);
|
|
cs.p_callstack->usedargs |= 1 << id->get_index();
|
|
}
|
|
arg.set_ident(id);
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_LOOKUP_U | CS_RET_STRING: {
|
|
cs_ident *id = nullptr;
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case CsIdAlias:
|
|
arg = static_cast<cs_alias *>(id)->get_value();
|
|
arg.force_str();
|
|
continue;
|
|
case CsIdSvar:
|
|
arg.set_str(static_cast<cs_svar *>(id)->get_value());
|
|
continue;
|
|
case CsIdIvar:
|
|
arg.set_int(static_cast<cs_ivar *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case CsIdFvar:
|
|
arg.set_float(static_cast<cs_fvar *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case CsIdUnknown:
|
|
arg.set_str("");
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CS_CODE_LOOKUP | CS_RET_STRING:
|
|
args[numargs] = cs_get_lookup_id(cs, op)->get_value();
|
|
args[numargs++].force_str();
|
|
continue;
|
|
case CS_CODE_LOOKUP_ARG | CS_RET_STRING: {
|
|
cs_alias *a = cs_get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args[numargs++].set_str("");
|
|
} else {
|
|
args[numargs] = a->get_value();
|
|
args[numargs++].force_str();
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_LOOKUP_U | CS_RET_INT: {
|
|
cs_ident *id = nullptr;
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case CsIdAlias:
|
|
arg.set_int(
|
|
static_cast<cs_alias *>(id)->get_value().get_int()
|
|
);
|
|
continue;
|
|
case CsIdSvar:
|
|
arg.set_int(cs_parse_int(
|
|
static_cast<cs_svar *>(id)->get_value()
|
|
));
|
|
continue;
|
|
case CsIdIvar:
|
|
arg.set_int(static_cast<cs_ivar *>(id)->get_value());
|
|
continue;
|
|
case CsIdFvar:
|
|
arg.set_int(
|
|
cs_int(static_cast<cs_fvar *>(id)->get_value())
|
|
);
|
|
continue;
|
|
case CsIdUnknown:
|
|
arg.set_int(0);
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CS_CODE_LOOKUP | CS_RET_INT:
|
|
args[numargs++].set_int(
|
|
cs_get_lookup_id(cs, op)->get_value().get_int()
|
|
);
|
|
continue;
|
|
case CS_CODE_LOOKUP_ARG | CS_RET_INT: {
|
|
cs_alias *a = cs_get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args[numargs++].set_int(0);
|
|
} else {
|
|
args[numargs++].set_int(a->get_value().get_int());
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_LOOKUP_U | CS_RET_FLOAT: {
|
|
cs_ident *id = nullptr;
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case CsIdAlias:
|
|
arg.set_float(
|
|
static_cast<cs_alias *>(id)->get_value().get_float()
|
|
);
|
|
continue;
|
|
case CsIdSvar:
|
|
arg.set_float(cs_parse_float(
|
|
static_cast<cs_svar *>(id)->get_value()
|
|
));
|
|
continue;
|
|
case CsIdIvar:
|
|
arg.set_float(cs_float(
|
|
static_cast<cs_ivar *>(id)->get_value()
|
|
));
|
|
continue;
|
|
case CsIdFvar:
|
|
arg.set_float(
|
|
static_cast<cs_fvar *>(id)->get_value()
|
|
);
|
|
continue;
|
|
case CsIdUnknown:
|
|
arg.set_float(cs_float(0));
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CS_CODE_LOOKUP | CS_RET_FLOAT:
|
|
args[numargs++].set_float(
|
|
cs_get_lookup_id(cs, op)->get_value().get_float()
|
|
);
|
|
continue;
|
|
case CS_CODE_LOOKUP_ARG | CS_RET_FLOAT: {
|
|
cs_alias *a = cs_get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args[numargs++].set_float(cs_float(0));
|
|
} else {
|
|
args[numargs++].set_float(a->get_value().get_float());
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_LOOKUP_U | CS_RET_NULL: {
|
|
cs_ident *id = nullptr;
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case CsIdAlias:
|
|
static_cast<cs_alias *>(id)->get_value().get_val(arg);
|
|
continue;
|
|
case CsIdSvar:
|
|
arg.set_str(static_cast<cs_svar *>(id)->get_value());
|
|
continue;
|
|
case CsIdIvar:
|
|
arg.set_int(static_cast<cs_ivar *>(id)->get_value());
|
|
continue;
|
|
case CsIdFvar:
|
|
arg.set_float(
|
|
static_cast<cs_fvar *>(id)->get_value()
|
|
);
|
|
continue;
|
|
case CsIdUnknown:
|
|
arg.set_none();
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CS_CODE_LOOKUP | CS_RET_NULL:
|
|
cs_get_lookup_id(cs, op)->get_value().get_val(args[numargs++]);
|
|
continue;
|
|
case CS_CODE_LOOKUP_ARG | CS_RET_NULL: {
|
|
cs_alias *a = cs_get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args[numargs++].set_none();
|
|
} else {
|
|
a->get_value().get_val(args[numargs++]);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_LOOKUP_MU | CS_RET_STRING: {
|
|
cs_ident *id = nullptr;
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case CsIdAlias:
|
|
arg = static_cast<cs_alias *>(id)->get_value();
|
|
arg.force_str();
|
|
continue;
|
|
case CsIdSvar:
|
|
arg.set_str(static_cast<cs_svar *>(id)->get_value());
|
|
continue;
|
|
case CsIdIvar:
|
|
arg.set_int(static_cast<cs_ivar *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case CsIdFvar:
|
|
arg.set_float(static_cast<cs_fvar *>(id)->get_value());
|
|
arg.force_str();
|
|
continue;
|
|
case CsIdUnknown:
|
|
arg.set_str("");
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CS_CODE_LOOKUP_M | CS_RET_STRING:
|
|
args[numargs] = cs_get_lookup_id(cs, op)->get_value();
|
|
args[numargs++].force_str();
|
|
continue;
|
|
case CS_CODE_LOOKUP_MARG | CS_RET_STRING: {
|
|
cs_alias *a = cs_get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args[numargs++].set_str("");
|
|
} else {
|
|
args[numargs] = a->get_value();
|
|
args[numargs++].force_str();
|
|
}
|
|
continue;
|
|
}
|
|
case CS_CODE_LOOKUP_MU | CS_RET_NULL: {
|
|
cs_ident *id = nullptr;
|
|
cs_value &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case CsIdAlias:
|
|
static_cast<cs_alias *>(id)->get_cval(arg);
|
|
continue;
|
|
case CsIdSvar:
|
|
arg.set_str(static_cast<cs_svar *>(id)->get_value());
|
|
continue;
|
|
case CsIdIvar:
|
|
arg.set_int(static_cast<cs_ivar *>(id)->get_value());
|
|
continue;
|
|
case CsIdFvar:
|
|
arg.set_float(static_cast<cs_fvar *>(id)->get_value());
|
|
continue;
|
|
case CsIdUnknown:
|
|
arg.set_none();
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CS_CODE_LOOKUP_M | CS_RET_NULL:
|
|
cs_get_lookup_id(cs, op)->get_cval(args[numargs++]);
|
|
continue;
|
|
case CS_CODE_LOOKUP_MARG | CS_RET_NULL: {
|
|
cs_alias *a = cs_get_lookuparg_id(cs, op);
|
|
if (!a) {
|
|
args[numargs++].set_none();
|
|
} else {
|
|
a->get_cval(args[numargs++]);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_SVAR | CS_RET_STRING:
|
|
case CS_CODE_SVAR | CS_RET_NULL:
|
|
args[numargs++].set_str(static_cast<cs_svar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value());
|
|
continue;
|
|
case CS_CODE_SVAR | CS_RET_INT:
|
|
args[numargs++].set_int(cs_parse_int(static_cast<cs_svar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value()));
|
|
continue;
|
|
case CS_CODE_SVAR | CS_RET_FLOAT:
|
|
args[numargs++].set_float(cs_parse_float(static_cast<cs_svar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value()));
|
|
continue;
|
|
case CS_CODE_SVAR1:
|
|
cs.set_var_str_checked(
|
|
static_cast<cs_svar *>(cs.p_state->identmap[op >> 8]),
|
|
args[--numargs].get_str()
|
|
);
|
|
continue;
|
|
|
|
case CS_CODE_IVAR | CS_RET_INT:
|
|
case CS_CODE_IVAR | CS_RET_NULL:
|
|
args[numargs++].set_int(static_cast<cs_ivar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value());
|
|
continue;
|
|
case CS_CODE_IVAR | CS_RET_STRING:
|
|
args[numargs].set_int(static_cast<cs_ivar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value());
|
|
args[numargs++].force_str();
|
|
continue;
|
|
case CS_CODE_IVAR | CS_RET_FLOAT:
|
|
args[numargs++].set_float(cs_float(static_cast<cs_ivar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value()));
|
|
continue;
|
|
case CS_CODE_IVAR1:
|
|
cs.set_var_int_checked(
|
|
static_cast<cs_ivar *>(cs.p_state->identmap[op >> 8]),
|
|
args[--numargs].get_int()
|
|
);
|
|
continue;
|
|
case CS_CODE_IVAR2:
|
|
numargs -= 2;
|
|
cs.set_var_int_checked(
|
|
static_cast<cs_ivar *>(cs.p_state->identmap[op >> 8]),
|
|
(args[numargs].get_int() << 16)
|
|
| (args[numargs + 1].get_int() << 8)
|
|
);
|
|
continue;
|
|
case CS_CODE_IVAR3:
|
|
numargs -= 3;
|
|
cs.set_var_int_checked(
|
|
static_cast<cs_ivar *>(cs.p_state->identmap[op >> 8]),
|
|
(args[numargs].get_int() << 16)
|
|
| (args[numargs + 1].get_int() << 8)
|
|
| (args[numargs + 2].get_int()));
|
|
continue;
|
|
|
|
case CS_CODE_FVAR | CS_RET_FLOAT:
|
|
case CS_CODE_FVAR | CS_RET_NULL:
|
|
args[numargs++].set_float(static_cast<cs_fvar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value());
|
|
continue;
|
|
case CS_CODE_FVAR | CS_RET_STRING:
|
|
args[numargs].set_int(static_cast<cs_fvar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value());
|
|
args[numargs++].force_str();
|
|
continue;
|
|
case CS_CODE_FVAR | CS_RET_INT:
|
|
args[numargs++].set_int(int(static_cast<cs_fvar *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
)->get_value()));
|
|
continue;
|
|
case CS_CODE_FVAR1:
|
|
cs.set_var_float_checked(
|
|
static_cast<cs_fvar *>(cs.p_state->identmap[op >> 8]),
|
|
args[--numargs].get_float()
|
|
);
|
|
continue;
|
|
|
|
case CS_CODE_COM | CS_RET_NULL:
|
|
case CS_CODE_COM | CS_RET_STRING:
|
|
case CS_CODE_COM | CS_RET_FLOAT:
|
|
case CS_CODE_COM | CS_RET_INT: {
|
|
cs_command *id = static_cast<cs_command *>(
|
|
cs.p_state->identmap[op >> 8]
|
|
);
|
|
int offset = numargs - id->get_num_args();
|
|
result.force_none();
|
|
cs_cmd_internal::call(cs, id, std::span<cs_value>{
|
|
&args[0] + offset, std::size_t(id->get_num_args())
|
|
}, result);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
numargs = offset;
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_COM_V | CS_RET_NULL:
|
|
case CS_CODE_COM_V | CS_RET_STRING:
|
|
case CS_CODE_COM_V | CS_RET_FLOAT:
|
|
case CS_CODE_COM_V | CS_RET_INT: {
|
|
cs_command *id = static_cast<cs_command *>(
|
|
cs.p_state->identmap[op >> 13]
|
|
);
|
|
std::size_t callargs = (op >> 8) & 0x1F,
|
|
offset = numargs - callargs;
|
|
result.force_none();
|
|
cs_cmd_internal::call(
|
|
cs, id, std::span{&args[offset], callargs}, result
|
|
);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
numargs = offset;
|
|
continue;
|
|
}
|
|
case CS_CODE_COM_C | CS_RET_NULL:
|
|
case CS_CODE_COM_C | CS_RET_STRING:
|
|
case CS_CODE_COM_C | CS_RET_FLOAT:
|
|
case CS_CODE_COM_C | CS_RET_INT: {
|
|
cs_command *id = static_cast<cs_command *>(
|
|
cs.p_state->identmap[op >> 13]
|
|
);
|
|
std::size_t callargs = (op >> 8) & 0x1F,
|
|
offset = numargs - callargs;
|
|
result.force_none();
|
|
{
|
|
cs_value tv{cs};
|
|
tv.set_str(value_list_concat(cs, std::span{
|
|
&args[offset], callargs
|
|
}, " "));
|
|
cs_cmd_internal::call(
|
|
cs, id, std::span<cs_value>{&tv, 1}, result
|
|
);
|
|
}
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
numargs = offset;
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_CONC | CS_RET_NULL:
|
|
case CS_CODE_CONC | CS_RET_STRING:
|
|
case CS_CODE_CONC | CS_RET_FLOAT:
|
|
case CS_CODE_CONC | CS_RET_INT:
|
|
case CS_CODE_CONC_W | CS_RET_NULL:
|
|
case CS_CODE_CONC_W | CS_RET_STRING:
|
|
case CS_CODE_CONC_W | CS_RET_FLOAT:
|
|
case CS_CODE_CONC_W | CS_RET_INT: {
|
|
std::size_t numconc = op >> 8;
|
|
auto buf = value_list_concat(
|
|
cs, std::span{&args[numargs - numconc], numconc},
|
|
((op & CS_CODE_OP_MASK) == CS_CODE_CONC) ? " " : ""
|
|
);
|
|
numargs = numargs - numconc;
|
|
args[numargs].set_str(buf);
|
|
force_arg(args[numargs], op & CS_CODE_RET_MASK);
|
|
numargs++;
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_CONC_M | CS_RET_NULL:
|
|
case CS_CODE_CONC_M | CS_RET_STRING:
|
|
case CS_CODE_CONC_M | CS_RET_FLOAT:
|
|
case CS_CODE_CONC_M | CS_RET_INT: {
|
|
std::size_t numconc = op >> 8;
|
|
auto buf = value_list_concat(
|
|
cs, std::span{&args[numargs - numconc], numconc}
|
|
);
|
|
numargs = numargs - numconc;
|
|
result.set_str(buf);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_ALIAS:
|
|
cs_alias_internal::set_alias(
|
|
static_cast<cs_alias *>(cs.p_state->identmap[op >> 8]),
|
|
cs, args[--numargs]
|
|
);
|
|
continue;
|
|
case CS_CODE_ALIAS_ARG:
|
|
cs_alias_internal::set_arg(
|
|
static_cast<cs_alias *>(cs.p_state->identmap[op >> 8]),
|
|
cs, args[--numargs]
|
|
);
|
|
continue;
|
|
case CS_CODE_ALIAS_U:
|
|
numargs -= 2;
|
|
cs.set_alias(
|
|
args[numargs].get_str(), std::move(args[numargs + 1])
|
|
);
|
|
continue;
|
|
|
|
case CS_CODE_CALL | CS_RET_NULL:
|
|
case CS_CODE_CALL | CS_RET_STRING:
|
|
case CS_CODE_CALL | CS_RET_FLOAT:
|
|
case CS_CODE_CALL | CS_RET_INT: {
|
|
result.force_none();
|
|
cs_ident *id = cs.p_state->identmap[op >> 13];
|
|
int callargs = (op >> 8) & 0x1F, offset = numargs - callargs;
|
|
if (id->get_flags() & CS_IDF_UNKNOWN) {
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
throw cs_error(
|
|
cs, "unknown command: %s", id->get_name().data()
|
|
);
|
|
}
|
|
cs_call_alias(
|
|
cs, static_cast<cs_alias *>(id), &args[0], result, callargs,
|
|
numargs, offset, 0, op
|
|
);
|
|
continue;
|
|
}
|
|
case CS_CODE_CALL_ARG | CS_RET_NULL:
|
|
case CS_CODE_CALL_ARG | CS_RET_STRING:
|
|
case CS_CODE_CALL_ARG | CS_RET_FLOAT:
|
|
case CS_CODE_CALL_ARG | CS_RET_INT: {
|
|
result.force_none();
|
|
cs_ident *id = cs.p_state->identmap[op >> 13];
|
|
int callargs = (op >> 8) & 0x1F, offset = numargs - callargs;
|
|
if (!cs_is_arg_used(cs, id)) {
|
|
numargs = offset;
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
cs_call_alias(
|
|
cs, static_cast<cs_alias *>(id), &args[0], result, callargs,
|
|
numargs, offset, 0, op
|
|
);
|
|
continue;
|
|
}
|
|
|
|
case CS_CODE_CALL_U | CS_RET_NULL:
|
|
case CS_CODE_CALL_U | CS_RET_STRING:
|
|
case CS_CODE_CALL_U | CS_RET_FLOAT:
|
|
case CS_CODE_CALL_U | CS_RET_INT: {
|
|
int callargs = op >> 8, offset = numargs - callargs;
|
|
cs_value &idarg = args[offset - 1];
|
|
if (idarg.get_type() != cs_value_type::STRING) {
|
|
litval:
|
|
result = std::move(idarg);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
numargs = offset - 1;
|
|
continue;
|
|
}
|
|
auto idn = idarg.get_str();
|
|
cs_ident *id = cs.get_ident(idn);
|
|
if (!id) {
|
|
noid:
|
|
if (cs_check_num(idn)) {
|
|
goto litval;
|
|
}
|
|
result.force_none();
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
std::string_view ids{idn};
|
|
throw cs_error(
|
|
cs, "unknown command: %s", ids.data()
|
|
);
|
|
}
|
|
result.force_none();
|
|
switch (id->get_type_raw()) {
|
|
default:
|
|
if (!cs_cmd_internal::has_cb(id)) {
|
|
numargs = offset - 1;
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
/* fallthrough */
|
|
case CsIdCommand:
|
|
callcommand(
|
|
cs, static_cast<cs_command *>(id), &args[offset],
|
|
result, callargs
|
|
);
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
numargs = offset - 1;
|
|
continue;
|
|
case CsIdLocal: {
|
|
cs_valarray<cs_ident_stack, MaxArguments> locals{cs};
|
|
for (size_t j = 0; j < size_t(callargs); ++j) {
|
|
cs_push_alias(cs, cs.force_ident(
|
|
args[offset + j]
|
|
), locals[j]);
|
|
}
|
|
cs_do_and_cleanup([&]() {
|
|
code = runcode(cs, code, result);
|
|
}, [&]() {
|
|
for (size_t j = 0; j < size_t(callargs); ++j) {
|
|
cs_pop_alias(args[offset + j].get_ident());
|
|
}
|
|
});
|
|
return code;
|
|
}
|
|
case CsIdIvar:
|
|
if (callargs <= 0) {
|
|
cs.print_var(*static_cast<cs_var *>(id));
|
|
} else {
|
|
cs.set_var_int_checked(
|
|
static_cast<cs_ivar *>(id),
|
|
std::span{&args[offset], std::size_t(callargs)}
|
|
);
|
|
}
|
|
numargs = offset - 1;
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
case CsIdFvar:
|
|
if (callargs <= 0) {
|
|
cs.print_var(*static_cast<cs_var *>(id));
|
|
} else {
|
|
cs.set_var_float_checked(
|
|
static_cast<cs_fvar *>(id),
|
|
args[offset].force_float()
|
|
);
|
|
}
|
|
numargs = offset - 1;
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
case CsIdSvar:
|
|
if (callargs <= 0) {
|
|
cs.print_var(*static_cast<cs_var *>(id));
|
|
} else {
|
|
cs.set_var_str_checked(
|
|
static_cast<cs_svar *>(id),
|
|
args[offset].force_str()
|
|
);
|
|
}
|
|
numargs = offset - 1;
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
case CsIdAlias: {
|
|
cs_alias *a = static_cast<cs_alias *>(id);
|
|
if (
|
|
(a->get_index() < MaxArguments) &&
|
|
!cs_is_arg_used(cs, a)
|
|
) {
|
|
numargs = offset - 1;
|
|
force_arg(result, op & CS_CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
if (a->get_value().get_type() == cs_value_type::NONE) {
|
|
goto noid;
|
|
}
|
|
cs_call_alias(
|
|
cs, a, &args[0], result, callargs, numargs,
|
|
offset, 1, op
|
|
);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return code;
|
|
}
|
|
|
|
void cs_state::run(cs_bcode *code, cs_value &ret) {
|
|
runcode(*this, reinterpret_cast<uint32_t *>(code), ret);
|
|
}
|
|
|
|
static void cs_run(
|
|
cs_state &cs, std::string_view file, std::string_view code,
|
|
cs_value &ret
|
|
) {
|
|
cs_gen_state gs(cs);
|
|
gs.src_name = file;
|
|
gs.code.reserve(64);
|
|
gs.gen_main(code, CS_VAL_ANY);
|
|
gs.done();
|
|
uint32_t *cbuf = new uint32_t[gs.code.size()];
|
|
memcpy(cbuf, gs.code.data(), gs.code.size() * sizeof(uint32_t));
|
|
runcode(cs, cbuf + 1, ret);
|
|
if (int(cbuf[0]) < 0x100) {
|
|
delete[] cbuf;
|
|
}
|
|
}
|
|
|
|
void cs_state::run(std::string_view code, cs_value &ret) {
|
|
cs_run(*this, std::string_view{}, code, ret);
|
|
}
|
|
|
|
void cs_state::run(
|
|
std::string_view code, cs_value &ret, std::string_view source
|
|
) {
|
|
cs_run(*this, source, code, ret);
|
|
}
|
|
|
|
void cs_state::run(cs_ident *id, std::span<cs_value> args, cs_value &ret) {
|
|
int nargs = int(args.size());
|
|
ret.set_none();
|
|
RunDepthRef level{*this}; /* incr and decr on scope exit */
|
|
if (id) {
|
|
switch (id->get_type()) {
|
|
default:
|
|
if (!cs_cmd_internal::has_cb(id)) {
|
|
break;
|
|
}
|
|
/* fallthrough */
|
|
case cs_ident_type::COMMAND:
|
|
if (nargs < static_cast<cs_command *>(id)->get_num_args()) {
|
|
cs_valarray<cs_value, MaxArguments> buf{*this};
|
|
for (std::size_t i = 0; i < args.size(); ++i) {
|
|
buf[i] = args[i];
|
|
}
|
|
callcommand(
|
|
*this, static_cast<cs_command *>(id), &buf[0], ret,
|
|
nargs, false
|
|
);
|
|
} else {
|
|
callcommand(
|
|
*this, static_cast<cs_command *>(id), &args[0],
|
|
ret, nargs, false
|
|
);
|
|
}
|
|
nargs = 0;
|
|
break;
|
|
case cs_ident_type::IVAR:
|
|
if (args.empty()) {
|
|
print_var(*static_cast<cs_var *>(id));
|
|
} else {
|
|
set_var_int_checked(static_cast<cs_ivar *>(id), args);
|
|
}
|
|
break;
|
|
case cs_ident_type::FVAR:
|
|
if (args.empty()) {
|
|
print_var(*static_cast<cs_var *>(id));
|
|
} else {
|
|
set_var_float_checked(
|
|
static_cast<cs_fvar *>(id), args[0].force_float()
|
|
);
|
|
}
|
|
break;
|
|
case cs_ident_type::SVAR:
|
|
if (args.empty()) {
|
|
print_var(*static_cast<cs_var *>(id));
|
|
} else {
|
|
set_var_str_checked(
|
|
static_cast<cs_svar *>(id), args[0].force_str()
|
|
);
|
|
}
|
|
break;
|
|
case cs_ident_type::ALIAS: {
|
|
cs_alias *a = static_cast<cs_alias *>(id);
|
|
if (
|
|
(a->get_index() < MaxArguments) && !cs_is_arg_used(*this, a)
|
|
) {
|
|
break;
|
|
}
|
|
if (a->get_value().get_type() == cs_value_type::NONE) {
|
|
break;
|
|
}
|
|
cs_call_alias(
|
|
*this, a, &args[0], ret, nargs, nargs, 0, 0, CS_RET_NULL
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
cs_value cs_state::run(cs_bcode *code) {
|
|
cs_value ret{*this};
|
|
run(code, ret);
|
|
return ret;
|
|
}
|
|
|
|
cs_value cs_state::run(std::string_view code) {
|
|
cs_value ret{*this};
|
|
run(code, ret);
|
|
return ret;
|
|
}
|
|
|
|
cs_value cs_state::run(std::string_view code, std::string_view source) {
|
|
cs_value ret{*this};
|
|
run(code, ret, source);
|
|
return ret;
|
|
}
|
|
|
|
cs_value cs_state::run(cs_ident *id, std::span<cs_value> args) {
|
|
cs_value ret{*this};
|
|
run(id, args, ret);
|
|
return ret;
|
|
}
|
|
|
|
cs_loop_state cs_state::run_loop(cs_bcode *code, cs_value &ret) {
|
|
++p_inloop;
|
|
try {
|
|
run(code, ret);
|
|
} catch (CsBreakException) {
|
|
--p_inloop;
|
|
return cs_loop_state::BREAK;
|
|
} catch (CsContinueException) {
|
|
--p_inloop;
|
|
return cs_loop_state::CONTINUE;
|
|
} catch (...) {
|
|
--p_inloop;
|
|
throw;
|
|
}
|
|
return cs_loop_state::NORMAL;
|
|
}
|
|
|
|
cs_loop_state cs_state::run_loop(cs_bcode *code) {
|
|
cs_value ret{*this};
|
|
return run_loop(code, ret);
|
|
}
|
|
|
|
} /* namespace cscript */
|