1367 lines
36 KiB
C++
1367 lines
36 KiB
C++
#include "cubescript/cubescript.hh"
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#include "cs_vm.hh"
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namespace cscript {
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CsString intstr(CsInt v) {
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auto app = ostd::appender<CsString>();
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cscript::util::format_int(app, v);
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return ostd::move(app.get());
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}
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CsString floatstr(CsFloat v) {
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auto app = ostd::appender<CsString>();
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cscript::util::format_float(app, v);
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return ostd::move(app.get());
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}
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bool cs_check_num(ostd::ConstCharRange s) {
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if (isdigit(s[0])) {
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return true;
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}
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switch (s[0]) {
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case '+':
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case '-':
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return isdigit(s[1]) || ((s[1] == '.') && isdigit(s[2]));
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case '.':
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return isdigit(s[1]) != 0;
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default:
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return false;
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}
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}
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CsIdent::CsIdent(CsIdentType tp, ostd::ConstCharRange nm, int fl):
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p_name(nm), p_type(int(tp)), p_flags(fl)
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{}
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CsVar::CsVar(CsIdentType tp, ostd::ConstCharRange name, CsVarCb f, int fl):
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CsIdent(tp, name, fl), cb_var(ostd::move(f))
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{}
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CsIvar::CsIvar(
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ostd::ConstCharRange name, CsInt m, CsInt x, CsInt v, CsVarCb f, int fl
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):
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CsVar(CsIdentType::Ivar, name, ostd::move(f), fl | ((m > x) ? CsIdfReadOnly : 0)),
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p_storage(v), p_minval(m), p_maxval(x), p_overrideval(0)
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{}
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CsFvar::CsFvar(
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ostd::ConstCharRange name, CsFloat m, CsFloat x, CsFloat v, CsVarCb f, int fl
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):
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CsVar(CsIdentType::Fvar, name, ostd::move(f), fl | ((m > x) ? CsIdfReadOnly : 0)),
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p_storage(v), p_minval(m), p_maxval(x), p_overrideval(0)
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{}
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CsSvar::CsSvar(ostd::ConstCharRange name, CsString v, CsVarCb f, int fl):
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CsVar(CsIdentType::Svar, name, ostd::move(f), fl),
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p_storage(ostd::move(v)), p_overrideval()
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{}
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CsAlias::CsAlias(ostd::ConstCharRange name, char *a, int fl):
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CsIdent(CsIdentType::Alias, name, fl),
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p_acode(nullptr), p_astack(nullptr)
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{
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p_val.set_mstr(a);
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}
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CsAlias::CsAlias(ostd::ConstCharRange name, CsInt a, int fl):
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CsIdent(CsIdentType::Alias, name, fl),
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p_acode(nullptr), p_astack(nullptr)
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{
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p_val.set_int(a);
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}
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CsAlias::CsAlias(ostd::ConstCharRange name, CsFloat a, int fl):
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CsIdent(CsIdentType::Alias, name, fl),
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p_acode(nullptr), p_astack(nullptr)
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{
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p_val.set_float(a);
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}
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CsAlias::CsAlias(ostd::ConstCharRange name, int fl):
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CsIdent(CsIdentType::Alias, name, fl),
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p_acode(nullptr), p_astack(nullptr)
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{
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p_val.set_null();
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}
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CsAlias::CsAlias(ostd::ConstCharRange name, CsValue v, int fl):
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CsIdent(CsIdentType::Alias, name, fl),
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p_acode(nullptr), p_astack(nullptr), p_val(ostd::move(v))
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{}
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CsCommand::CsCommand(
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ostd::ConstCharRange name, ostd::ConstCharRange args,
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int nargs, CsCommandCb f
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):
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CsIdent(CsIdentType::Command, name, 0),
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p_cargs(args), p_cb_cftv(ostd::move(f)), p_numargs(nargs)
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{}
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bool CsIdent::is_alias() const {
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return get_type() == CsIdentType::Alias;
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}
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CsAlias *CsIdent::get_alias() {
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if (!is_alias()) {
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return nullptr;
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}
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return static_cast<CsAlias *>(this);
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}
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CsAlias const *CsIdent::get_alias() const {
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if (!is_alias()) {
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return nullptr;
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}
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return static_cast<CsAlias const *>(this);
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}
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bool CsIdent::is_command() const {
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return get_type() == CsIdentType::Command;
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}
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CsCommand *CsIdent::get_command() {
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if (!is_command()) {
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return nullptr;
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}
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return static_cast<CsCommand *>(this);
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}
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CsCommand const *CsIdent::get_command() const {
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if (!is_command()) {
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return nullptr;
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}
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return static_cast<CsCommand const *>(this);
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}
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bool CsIdent::is_special() const {
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return get_type() == CsIdentType::Special;
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}
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bool CsIdent::is_var() const {
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CsIdentType tp = get_type();
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return (tp >= CsIdentType::Ivar) && (tp <= CsIdentType::Svar);
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}
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CsVar *CsIdent::get_var() {
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if (!is_var()) {
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return nullptr;
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}
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return static_cast<CsVar *>(this);
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}
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CsVar const *CsIdent::get_var() const {
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if (!is_var()) {
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return nullptr;
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}
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return static_cast<CsVar const *>(this);
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}
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bool CsIdent::is_ivar() const {
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return get_type() == CsIdentType::Ivar;
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}
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CsIvar *CsIdent::get_ivar() {
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if (!is_ivar()) {
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return nullptr;
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}
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return static_cast<CsIvar *>(this);
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}
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CsIvar const *CsIdent::get_ivar() const {
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if (!is_ivar()) {
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return nullptr;
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}
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return static_cast<CsIvar const *>(this);
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}
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bool CsIdent::is_fvar() const {
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return get_type() == CsIdentType::Fvar;
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}
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CsFvar *CsIdent::get_fvar() {
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if (!is_fvar()) {
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return nullptr;
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}
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return static_cast<CsFvar *>(this);
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}
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CsFvar const *CsIdent::get_fvar() const {
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if (!is_fvar()) {
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return nullptr;
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}
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return static_cast<CsFvar const *>(this);
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}
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bool CsIdent::is_svar() const {
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return get_type() == CsIdentType::Svar;
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}
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CsSvar *CsIdent::get_svar() {
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if (!is_svar()) {
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return nullptr;
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}
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return static_cast<CsSvar *>(this);
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}
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CsSvar const *CsIdent::get_svar() const {
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if (!is_svar()) {
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return nullptr;
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}
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return static_cast<CsSvar const *>(this);
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}
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CsInt CsIvar::get_val_min() const {
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return p_minval;
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}
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CsInt CsIvar::get_val_max() const {
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return p_maxval;
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}
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CsInt CsIvar::get_value() const {
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return p_storage;
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}
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void CsIvar::set_value(CsInt val) {
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p_storage = val;
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}
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CsFloat CsFvar::get_val_min() const {
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return p_minval;
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}
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CsFloat CsFvar::get_val_max() const {
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return p_maxval;
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}
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CsFloat CsFvar::get_value() const {
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return p_storage;
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}
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void CsFvar::set_value(CsFloat val) {
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p_storage = val;
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}
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ostd::ConstCharRange CsSvar::get_value() const {
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return p_storage.iter();
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}
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void CsSvar::set_value(CsString val) {
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p_storage = ostd::move(val);
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}
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ostd::ConstCharRange CsCommand::get_args() const {
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return p_cargs;
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}
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int CsCommand::get_num_args() const {
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return p_numargs;
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}
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void cs_init_lib_base(CsState &cs);
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CsState::CsState():
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p_callhook(), p_panicfunc(), p_out(&ostd::out), p_err(&ostd::err)
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{
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/* default panic func */
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p_panicfunc = [this](ostd::ConstCharRange v, CsStackState) {
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get_err().writefln(
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"PANIC: unprotected error in call to CubeScript (%s)", v
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);
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};
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for (int i = 0; i < MaxArguments; ++i) {
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char buf[32];
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snprintf(buf, sizeof(buf), "arg%d", i + 1);
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new_ident(static_cast<char const *>(buf), CsIdfArg);
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}
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CsIdent *id = new_ident("//dummy");
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assert(id->get_index() == DummyIdx);
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id = new_ivar("numargs", MaxArguments, 0, 0);
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assert(id->get_index() == NumargsIdx);
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id = new_ivar("dbgalias", 0, 1000, 4);
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assert(id->get_index() == DbgaliasIdx);
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new_command("do", "e", [this](CsValueRange args, CsValue &res) {
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run(args[0].get_code(), res);
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})->p_type = CsIdDo;
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new_command("doargs", "e", [this](CsValueRange args, CsValue &res) {
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cs_do_args(*this, [&]() { run(args[0].get_code(), res); });
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})->p_type = CsIdDoArgs;
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new_command("if", "tee", [this](CsValueRange args, CsValue &res) {
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run((args[0].get_bool() ? args[1] : args[2]).get_code(), res);
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})->p_type = CsIdIf;
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new_command("result", "T", [](CsValueRange args, CsValue &res) {
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res = ostd::move(args[0]);
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})->p_type = CsIdResult;
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new_command("!", "t", [](CsValueRange args, CsValue &res) {
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res.set_int(!args[0].get_bool());
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})->p_type = CsIdNot;
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new_command("&&", "E1V", [this](CsValueRange args, CsValue &res) {
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if (args.empty()) {
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res.set_int(1);
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} else {
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for (ostd::Size i = 0; i < args.size(); ++i) {
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CsBytecode *code = args[i].get_code();
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if (code) {
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run(code, res);
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} else {
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res = ostd::move(args[i]);
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}
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if (!res.get_bool()) {
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break;
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}
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}
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}
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})->p_type = CsIdAnd;
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new_command("||", "E1V", [this](CsValueRange args, CsValue &res) {
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if (args.empty()) {
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res.set_int(0);
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} else {
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for (ostd::Size i = 0; i < args.size(); ++i) {
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CsBytecode *code = args[i].get_code();
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if (code) {
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run(code, res);
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} else {
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res = ostd::move(args[i]);
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}
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if (res.get_bool()) {
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break;
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}
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}
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}
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})->p_type = CsIdOr;
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new_command("local", nullptr, nullptr)->p_type = CsIdLocal;
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cs_init_lib_base(*this);
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}
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CsState::~CsState() {
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for (auto &p: idents.iter()) {
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CsIdent *i = p.second;
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CsAlias *a = i->get_alias();
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if (a) {
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a->get_value().force_null();
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CsAliasInternal::clean_code(a);
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}
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delete i;
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}
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}
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CsStream const &CsState::get_out() const {
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return *p_out;
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}
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CsStream &CsState::get_out() {
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return *p_out;
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}
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void CsState::set_out(CsStream &s) {
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p_out = &s;
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}
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CsStream const &CsState::get_err() const {
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return *p_err;
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}
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CsStream &CsState::get_err() {
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return *p_err;
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}
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void CsState::set_err(CsStream &s) {
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p_err = &s;
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}
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CsHookCb CsState::set_call_hook(CsHookCb func) {
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auto hk = ostd::move(p_callhook);
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p_callhook = ostd::move(func);
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return hk;
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}
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CsHookCb const &CsState::get_call_hook() const {
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return p_callhook;
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}
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CsHookCb &CsState::get_call_hook() {
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return p_callhook;
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}
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void *CsState::alloc(void *ptr, ostd::Size, ostd::Size ns) {
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delete[] static_cast<ostd::byte *>(ptr);
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if (!ns) {
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return nullptr;
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}
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return new ostd::byte[ns];
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}
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CsPanicCb CsState::set_panic_func(CsPanicCb func) {
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auto hk = ostd::move(p_panicfunc);
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p_panicfunc = ostd::move(func);
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return hk;
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}
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CsPanicCb const &CsState::get_panic_func() const {
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return p_panicfunc;
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}
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CsPanicCb &CsState::get_panic_func() {
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return p_panicfunc;
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}
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bool CsState::ipcall(
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void (*f)(void *data), ostd::String *error,
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CsStackState *stack, void *data
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) {
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++protect;
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try {
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f(data);
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} catch (CsErrorException &v) {
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--protect;
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if (error) {
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*error = ostd::move(v.errmsg);
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}
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if (stack) {
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*stack = ostd::move(v.stack);
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}
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return false;
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} catch (...) {
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--protect;
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throw;
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}
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--protect;
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return true;
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}
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void CsState::error(ostd::ConstCharRange msg) {
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if (protect) {
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throw CsErrorException(msg, cs_save_stack(*this));
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} else {
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if (p_panicfunc) {
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p_panicfunc(msg, cs_save_stack(*this));
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}
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exit(EXIT_FAILURE);
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}
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}
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void CsState::clear_override(CsIdent &id) {
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if (!(id.get_flags() & CsIdfOverridden)) {
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return;
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}
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switch (id.get_type()) {
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case CsIdentType::Alias: {
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CsAlias &a = static_cast<CsAlias &>(id);
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CsAliasInternal::clean_code(&a);
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a.get_value().set_str("");
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break;
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}
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case CsIdentType::Ivar: {
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CsIvar &iv = static_cast<CsIvar &>(id);
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iv.set_value(iv.p_overrideval);
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iv.changed();
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break;
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}
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case CsIdentType::Fvar: {
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CsFvar &fv = static_cast<CsFvar &>(id);
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fv.set_value(fv.p_overrideval);
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fv.changed();
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break;
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}
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case CsIdentType::Svar: {
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CsSvar &sv = static_cast<CsSvar &>(id);
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sv.set_value(sv.p_overrideval);
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sv.changed();
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break;
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}
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default:
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break;
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}
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id.p_flags &= ~CsIdfOverridden;
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}
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void CsState::clear_overrides() {
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for (auto &p: idents.iter()) {
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clear_override(*(p.second));
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}
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}
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CsIdent *CsState::add_ident(CsIdent *id) {
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if (!id) {
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return nullptr;
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}
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idents[id->get_name()] = id;
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id->p_index = identmap.size();
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return identmap.push(id);
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}
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CsIdent *CsState::new_ident(ostd::ConstCharRange name, int flags) {
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CsIdent *id = get_ident(name);
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if (!id) {
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if (cs_check_num(name)) {
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cs_debug_code(
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*this, "number %s is not a valid identifier name", name
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);
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return identmap[DummyIdx];
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}
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id = add_ident(new CsAlias(name, flags));
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}
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return id;
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}
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CsIdent *CsState::force_ident(CsValue &v) {
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switch (v.get_type()) {
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case CsValueType::Ident:
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return v.get_ident();
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case CsValueType::Macro:
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case CsValueType::Cstring:
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case CsValueType::String: {
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CsIdent *id = new_ident(v.get_strr());
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v.set_ident(id);
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return id;
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}
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default:
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break;
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}
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v.set_ident(identmap[DummyIdx]);
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return identmap[DummyIdx];
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}
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CsIvar *CsState::new_ivar(
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ostd::ConstCharRange n, CsInt m, CsInt x, CsInt v, CsVarCb f, int flags
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) {
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return add_ident(new CsIvar(n, m, x, v, ostd::move(f), flags))->get_ivar();
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}
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CsFvar *CsState::new_fvar(
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ostd::ConstCharRange n, CsFloat m, CsFloat x, CsFloat v, CsVarCb f, int flags
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) {
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return add_ident(new CsFvar(n, m, x, v, ostd::move(f), flags))->get_fvar();
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}
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CsSvar *CsState::new_svar(
|
|
ostd::ConstCharRange n, CsString v, CsVarCb f, int flags
|
|
) {
|
|
return add_ident(
|
|
new CsSvar(n, ostd::move(v), ostd::move(f), flags)
|
|
)->get_svar();
|
|
}
|
|
|
|
bool CsState::reset_var(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id) {
|
|
return false;
|
|
}
|
|
if (id->get_flags() & CsIdfReadOnly) {
|
|
cs_debug_code(*this, "variable %s is read only", id->get_name());
|
|
return false;
|
|
}
|
|
clear_override(*id);
|
|
return true;
|
|
}
|
|
|
|
void CsState::touch_var(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (id && id->is_var()) {
|
|
static_cast<CsVar *>(id)->changed();
|
|
}
|
|
}
|
|
|
|
void CsState::set_alias(ostd::ConstCharRange name, CsValue v) {
|
|
CsIdent *id = get_ident(name);
|
|
if (id) {
|
|
switch (id->get_type()) {
|
|
case CsIdentType::Alias: {
|
|
CsAlias *a = static_cast<CsAlias *>(id);
|
|
if (a->get_index() < MaxArguments) {
|
|
CsAliasInternal::set_arg(a, *this, v);
|
|
} else {
|
|
CsAliasInternal::set_alias(a, *this, v);
|
|
}
|
|
return;
|
|
}
|
|
case CsIdentType::Ivar:
|
|
set_var_int_checked(static_cast<CsIvar *>(id), v.get_int());
|
|
break;
|
|
case CsIdentType::Fvar:
|
|
set_var_float_checked(static_cast<CsFvar *>(id), v.get_float());
|
|
break;
|
|
case CsIdentType::Svar:
|
|
set_var_str_checked(static_cast<CsSvar *>(id), v.get_str());
|
|
break;
|
|
default:
|
|
cs_debug_code(
|
|
*this, "cannot redefine builtin %s with an alias",
|
|
id->get_name()
|
|
);
|
|
break;
|
|
}
|
|
} else if (cs_check_num(name)) {
|
|
cs_debug_code(*this, "cannot alias number %s", name);
|
|
} else {
|
|
add_ident(new CsAlias(name, ostd::move(v), identflags));
|
|
}
|
|
}
|
|
|
|
void CsState::print_var(CsIvar *iv) {
|
|
CsInt i = iv->get_value();
|
|
if (i < 0) {
|
|
get_out().writefln("%s = %d", iv->get_name(), i);
|
|
return;
|
|
}
|
|
if (iv->get_flags() & CsIdfHex) {
|
|
if (iv->get_val_max() == 0xFFFFFF) {
|
|
get_out().writefln(
|
|
"%s = 0x%.6X (%d, %d, %d)", iv->get_name(),
|
|
i, (i >> 16) & 0xFF, (i >> 8) & 0xFF, i & 0xFF
|
|
);
|
|
} else {
|
|
get_out().writefln("%s = 0x%X", iv->get_name(), i);
|
|
}
|
|
} else {
|
|
get_out().writefln("%s = %d", iv->get_name(), i);
|
|
}
|
|
}
|
|
|
|
void CsState::print_var(CsFvar *fv) {
|
|
get_out().writefln("%s = %s", fv->get_name(), floatstr(fv->get_value()));
|
|
}
|
|
|
|
void CsState::print_var(CsSvar *sv) {
|
|
ostd::ConstCharRange sval = sv->get_value();
|
|
if (ostd::find(sval, '"').empty()) {
|
|
get_out().writefln("%s = \"%s\"", sv->get_name(), sval);
|
|
} else {
|
|
get_out().writefln("%s = [%s]", sv->get_name(), sval);
|
|
}
|
|
}
|
|
|
|
void CsState::print_var(CsVar *v) {
|
|
switch (v->get_type()) {
|
|
case CsIdentType::Ivar: {
|
|
CsIvar *iv = static_cast<CsIvar *>(v);
|
|
print_var(iv);
|
|
break;
|
|
}
|
|
case CsIdentType::Fvar: {
|
|
CsFvar *fv = static_cast<CsFvar *>(v);
|
|
print_var(fv);
|
|
break;
|
|
}
|
|
case CsIdentType::Svar: {
|
|
CsSvar *sv = static_cast<CsSvar *>(v);
|
|
print_var(sv);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CsAlias::get_cstr(CsValue &v) const {
|
|
switch (p_val.get_type()) {
|
|
case CsValueType::Macro:
|
|
v.set_macro(p_val.get_strr());
|
|
break;
|
|
case CsValueType::String:
|
|
case CsValueType::Cstring:
|
|
v.set_cstr(p_val.get_strr());
|
|
break;
|
|
case CsValueType::Int:
|
|
v.set_str(ostd::move(intstr(p_val.get_int())));
|
|
break;
|
|
case CsValueType::Float:
|
|
v.set_str(ostd::move(floatstr(p_val.get_float())));
|
|
break;
|
|
default:
|
|
v.set_cstr("");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CsAlias::get_cval(CsValue &v) const {
|
|
switch (p_val.get_type()) {
|
|
case CsValueType::Macro:
|
|
v.set_macro(p_val.get_strr());
|
|
break;
|
|
case CsValueType::String:
|
|
case CsValueType::Cstring:
|
|
v.set_cstr(p_val.get_strr());
|
|
break;
|
|
case CsValueType::Int:
|
|
v.set_int(p_val.get_int());
|
|
break;
|
|
case CsValueType::Float:
|
|
v.set_float(p_val.get_float());
|
|
break;
|
|
default:
|
|
v.set_null();
|
|
break;
|
|
}
|
|
}
|
|
|
|
CsIdentType CsIdent::get_type() const {
|
|
if (p_type > CsIdAlias) {
|
|
return CsIdentType::Special;
|
|
}
|
|
return CsIdentType(p_type);
|
|
}
|
|
|
|
ostd::ConstCharRange CsIdent::get_name() const {
|
|
return p_name;
|
|
}
|
|
|
|
int CsIdent::get_flags() const {
|
|
return p_flags;
|
|
}
|
|
|
|
int CsIdent::get_index() const {
|
|
return p_index;
|
|
}
|
|
|
|
template<typename SF>
|
|
static inline bool cs_override_var(CsState &cs, CsVar *v, int &vflags, SF sf) {
|
|
if ((cs.identflags & CsIdfOverridden) || (vflags & CsIdfOverride)) {
|
|
if (vflags & CsIdfPersist) {
|
|
cs_debug_code(
|
|
cs, "cannot override persistent variable '%s'", v->get_name()
|
|
);
|
|
return false;
|
|
}
|
|
if (!(vflags & CsIdfOverridden)) {
|
|
sf();
|
|
vflags |= CsIdfOverridden;
|
|
}
|
|
} else {
|
|
if (vflags & CsIdfOverridden) {
|
|
vflags &= ~CsIdfOverridden;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void CsState::set_var_int(
|
|
ostd::ConstCharRange name, CsInt v, bool dofunc, bool doclamp
|
|
) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_ivar()) {
|
|
return;
|
|
}
|
|
CsIvar *iv = static_cast<CsIvar *>(id);
|
|
bool success = cs_override_var(
|
|
*this, iv, iv->p_flags,
|
|
[&iv]() { iv->p_overrideval = iv->get_value(); }
|
|
);
|
|
if (!success) {
|
|
return;
|
|
}
|
|
if (doclamp) {
|
|
iv->set_value(ostd::clamp(v, iv->get_val_min(), iv->get_val_max()));
|
|
} else {
|
|
iv->set_value(v);
|
|
}
|
|
if (dofunc) {
|
|
iv->changed();
|
|
}
|
|
}
|
|
|
|
void CsState::set_var_float(
|
|
ostd::ConstCharRange name, CsFloat v, bool dofunc, bool doclamp
|
|
) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_fvar()) {
|
|
return;
|
|
}
|
|
CsFvar *fv = static_cast<CsFvar *>(id);
|
|
bool success = cs_override_var(
|
|
*this, fv, fv->p_flags,
|
|
[&fv]() { fv->p_overrideval = fv->get_value(); }
|
|
);
|
|
if (!success) {
|
|
return;
|
|
}
|
|
if (doclamp) {
|
|
fv->set_value(ostd::clamp(v, fv->get_val_min(), fv->get_val_max()));
|
|
} else {
|
|
fv->set_value(v);
|
|
}
|
|
if (dofunc) {
|
|
fv->changed();
|
|
}
|
|
}
|
|
|
|
void CsState::set_var_str(
|
|
ostd::ConstCharRange name, ostd::ConstCharRange v, bool dofunc
|
|
) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_svar()) {
|
|
return;
|
|
}
|
|
CsSvar *sv = static_cast<CsSvar *>(id);
|
|
bool success = cs_override_var(
|
|
*this, sv, sv->p_flags,
|
|
[&sv]() { sv->p_overrideval = sv->get_value(); }
|
|
);
|
|
if (!success) {
|
|
return;
|
|
}
|
|
sv->set_value(v);
|
|
if (dofunc) {
|
|
sv->changed();
|
|
}
|
|
}
|
|
|
|
ostd::Maybe<CsInt> CsState::get_var_int(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_ivar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return static_cast<CsIvar *>(id)->get_value();
|
|
}
|
|
|
|
ostd::Maybe<CsFloat> CsState::get_var_float(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_fvar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return static_cast<CsFvar *>(id)->get_value();
|
|
}
|
|
|
|
ostd::Maybe<CsString> CsState::get_var_str(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_svar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return CsString(static_cast<CsSvar *>(id)->get_value());
|
|
}
|
|
|
|
ostd::Maybe<CsInt> CsState::get_var_min_int(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_ivar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return static_cast<CsIvar *>(id)->get_val_min();
|
|
}
|
|
|
|
ostd::Maybe<CsInt> CsState::get_var_max_int(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_ivar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return static_cast<CsIvar *>(id)->get_val_max();
|
|
}
|
|
|
|
ostd::Maybe<CsFloat> CsState::get_var_min_float(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_fvar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return static_cast<CsFvar *>(id)->get_val_min();
|
|
}
|
|
|
|
ostd::Maybe<CsFloat> CsState::get_var_max_float(ostd::ConstCharRange name) {
|
|
CsIdent *id = get_ident(name);
|
|
if (!id || id->is_fvar()) {
|
|
return ostd::nothing;
|
|
}
|
|
return static_cast<CsFvar *>(id)->get_val_max();
|
|
}
|
|
|
|
ostd::Maybe<CsString>
|
|
CsState::get_alias_val(ostd::ConstCharRange name) {
|
|
CsAlias *a = get_alias(name);
|
|
if (!a) {
|
|
return ostd::nothing;
|
|
}
|
|
if ((a->get_index() < MaxArguments) && !cs_is_arg_used(*this, a)) {
|
|
return ostd::nothing;
|
|
}
|
|
return ostd::move(a->get_value().get_str());
|
|
}
|
|
|
|
CsInt cs_clamp_var(CsState &cs, CsIvar *iv, CsInt v) {
|
|
if (v < iv->get_val_min()) {
|
|
v = iv->get_val_min();
|
|
} else if (v > iv->get_val_max()) {
|
|
v = iv->get_val_max();
|
|
} else {
|
|
return v;
|
|
}
|
|
cs_debug_code(
|
|
cs,
|
|
(iv->get_flags() & CsIdfHex)
|
|
? (
|
|
(iv->get_val_min() <= 255)
|
|
? "valid range for '%s' is %d..0x%X"
|
|
: "valid range for '%s' is 0x%X..0x%X"
|
|
)
|
|
: "valid range for '%s' is %d..%d",
|
|
iv->get_name(), iv->get_val_min(), iv->get_val_max()
|
|
);
|
|
return v;
|
|
}
|
|
|
|
void CsState::set_var_int_checked(CsIvar *iv, CsInt v) {
|
|
if (iv->get_flags() & CsIdfReadOnly) {
|
|
cs_debug_code(*this, "variable '%s' is read only", iv->get_name());
|
|
return;
|
|
}
|
|
bool success = cs_override_var(
|
|
*this, iv, iv->p_flags,
|
|
[&iv]() { iv->p_overrideval = iv->get_value(); }
|
|
);
|
|
if (!success) {
|
|
return;
|
|
}
|
|
if ((v < iv->get_val_min()) || (v > iv->get_val_max())) {
|
|
v = cs_clamp_var(*this, iv, v);
|
|
}
|
|
iv->set_value(v);
|
|
iv->changed();
|
|
}
|
|
|
|
void CsState::set_var_int_checked(CsIvar *iv, CsValueRange args) {
|
|
CsInt v = args[0].force_int();
|
|
if ((iv->get_flags() & CsIdfHex) && (args.size() > 1)) {
|
|
v = (v << 16) | (args[1].force_int() << 8);
|
|
if (args.size() > 2) {
|
|
v |= args[2].force_int();
|
|
}
|
|
}
|
|
set_var_int_checked(iv, v);
|
|
}
|
|
|
|
CsFloat cs_clamp_fvar(CsState &cs, CsFvar *fv, CsFloat v) {
|
|
if (v < fv->get_val_min()) {
|
|
v = fv->get_val_min();
|
|
} else if (v > fv->get_val_max()) {
|
|
v = fv->get_val_max();
|
|
} else {
|
|
return v;
|
|
}
|
|
cs_debug_code(
|
|
cs, "valid range for '%s' is %s..%s", floatstr(fv->get_val_min()),
|
|
floatstr(fv->get_val_max())
|
|
);
|
|
return v;
|
|
}
|
|
|
|
void CsState::set_var_float_checked(CsFvar *fv, CsFloat v) {
|
|
if (fv->get_flags() & CsIdfReadOnly) {
|
|
cs_debug_code(*this, "variable '%s' is read only", fv->get_name());
|
|
return;
|
|
}
|
|
bool success = cs_override_var(
|
|
*this, fv, fv->p_flags,
|
|
[&fv]() { fv->p_overrideval = fv->get_value(); }
|
|
);
|
|
if (!success) {
|
|
return;
|
|
}
|
|
if ((v < fv->get_val_min()) || (v > fv->get_val_max())) {
|
|
v = cs_clamp_fvar(*this, fv, v);
|
|
}
|
|
fv->set_value(v);
|
|
fv->changed();
|
|
}
|
|
|
|
void CsState::set_var_str_checked(CsSvar *sv, ostd::ConstCharRange v) {
|
|
if (sv->get_flags() & CsIdfReadOnly) {
|
|
cs_debug_code(*this, "variable '%s' is read only", sv->get_name());
|
|
return;
|
|
}
|
|
bool success = cs_override_var(
|
|
*this, sv, sv->p_flags,
|
|
[&sv]() { sv->p_overrideval = sv->get_value(); }
|
|
);
|
|
if (!success) {
|
|
return;
|
|
}
|
|
sv->set_value(v);
|
|
sv->changed();
|
|
}
|
|
|
|
CsCommand *CsState::new_command(
|
|
ostd::ConstCharRange name, ostd::ConstCharRange args, CsCommandCb func
|
|
) {
|
|
int nargs = 0;
|
|
for (ostd::ConstCharRange fmt(args); !fmt.empty(); ++fmt) {
|
|
switch (*fmt) {
|
|
case 'i':
|
|
case 'b':
|
|
case 'f':
|
|
case 'F':
|
|
case 't':
|
|
case 'T':
|
|
case 'E':
|
|
case 'N':
|
|
case 'S':
|
|
case 's':
|
|
case 'e':
|
|
case 'r':
|
|
case '$':
|
|
if (nargs < MaxArguments) {
|
|
++nargs;
|
|
}
|
|
break;
|
|
case '1':
|
|
case '2':
|
|
case '3':
|
|
case '4':
|
|
if (nargs < (*fmt - '0')) {
|
|
return nullptr;
|
|
}
|
|
if ((fmt.size() != 2) || ((fmt[1] != 'C') && (fmt[1] != 'V'))) {
|
|
return nullptr;
|
|
}
|
|
if (nargs < MaxArguments) {
|
|
fmt.push_front_n(*fmt - '0' + 1);
|
|
}
|
|
break;
|
|
case 'C':
|
|
case 'V':
|
|
if (fmt.size() != 1) {
|
|
return nullptr;
|
|
}
|
|
break;
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
return static_cast<CsCommand *>(
|
|
add_ident(new CsCommand(name, args, nargs, ostd::move(func)))
|
|
);
|
|
}
|
|
|
|
static inline void cs_do_loop(
|
|
CsState &cs, CsIdent &id, CsInt offset, CsInt n, CsInt step,
|
|
CsBytecode *cond, CsBytecode *body
|
|
) {
|
|
CsStackedValue idv{&id};
|
|
if (n <= 0 || !idv.has_alias()) {
|
|
return;
|
|
}
|
|
for (CsInt i = 0; i < n; ++i) {
|
|
idv.set_int(offset + i * step);
|
|
idv.push();
|
|
if (cond && !cs.run_bool(cond)) {
|
|
break;
|
|
}
|
|
cs.run_int(body);
|
|
}
|
|
}
|
|
|
|
static inline void cs_loop_conc(
|
|
CsState &cs, CsValue &res, CsIdent &id, CsInt offset, CsInt n,
|
|
CsInt step, CsBytecode *body, bool space
|
|
) {
|
|
CsStackedValue idv{&id};
|
|
if (n <= 0 || !idv.has_alias()) {
|
|
return;
|
|
}
|
|
CsVector<char> s;
|
|
for (CsInt i = 0; i < n; ++i) {
|
|
idv.set_int(offset + i * step);
|
|
idv.push();
|
|
CsValue v;
|
|
cs.run(body, v);
|
|
CsString vstr = ostd::move(v.get_str());
|
|
if (space && i) {
|
|
s.push(' ');
|
|
}
|
|
s.push_n(vstr.data(), vstr.size());
|
|
}
|
|
s.push('\0');
|
|
ostd::Size len = s.size() - 1;
|
|
res.set_mstr(ostd::CharRange(s.disown(), len));
|
|
}
|
|
|
|
void cs_init_lib_base(CsState &cs) {
|
|
cs.new_command("error", "s", [&cs](CsValueRange args, CsValue &) {
|
|
cs.error(args[0].get_strr());
|
|
});
|
|
|
|
cs.new_command("pcall", "erre", [&cs](CsValueRange args, CsValue &ret) {
|
|
CsStackedValue cst, cret;
|
|
if (
|
|
!cst.set_alias(args[1].get_ident()) ||
|
|
!cret.set_alias(args[2].get_ident())
|
|
) {
|
|
ret.set_int(0);
|
|
return;
|
|
}
|
|
CsString errmsg;
|
|
CsValue result;
|
|
bool rc = cs.pcall([&cs, &args, &result]() {
|
|
cs.run(args[0].get_code(), result);
|
|
}, &errmsg);
|
|
ret.set_int(rc);
|
|
cst.set_int(rc);
|
|
cst.push();
|
|
if (!rc) {
|
|
cret.set_str(ostd::move(errmsg));
|
|
} else {
|
|
cret = ostd::move(result);
|
|
}
|
|
cret.push();
|
|
cs.run(args[3].get_code());
|
|
});
|
|
|
|
cs.new_command("?", "tTT", [](CsValueRange args, CsValue &res) {
|
|
if (args[0].get_bool()) {
|
|
res = ostd::move(args[1]);
|
|
} else {
|
|
res = ostd::move(args[2]);
|
|
}
|
|
});
|
|
|
|
cs.new_command("cond", "ee2V", [&cs](CsValueRange args, CsValue &res) {
|
|
for (ostd::Size i = 0; i < args.size(); i += 2) {
|
|
if ((i + 1) < args.size()) {
|
|
if (cs.run_bool(args[i].get_code())) {
|
|
cs.run(args[i + 1].get_code(), res);
|
|
break;
|
|
}
|
|
} else {
|
|
cs.run(args[i].get_code(), res);
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
cs.new_command("case", "ite2V", [&cs](CsValueRange args, CsValue &res) {
|
|
CsInt val = args[0].get_int();
|
|
for (ostd::Size i = 1; (i + 1) < args.size(); i += 2) {
|
|
if (
|
|
(args[i].get_type() == CsValueType::Null) ||
|
|
(args[i].get_int() == val)
|
|
) {
|
|
cs.run(args[i + 1].get_code(), res);
|
|
return;
|
|
}
|
|
}
|
|
});
|
|
|
|
cs.new_command("casef", "fte2V", [&cs](CsValueRange args, CsValue &res) {
|
|
CsFloat val = args[0].get_float();
|
|
for (ostd::Size i = 1; (i + 1) < args.size(); i += 2) {
|
|
if (
|
|
(args[i].get_type() == CsValueType::Null) ||
|
|
(args[i].get_float() == val)
|
|
) {
|
|
cs.run(args[i + 1].get_code(), res);
|
|
return;
|
|
}
|
|
}
|
|
});
|
|
|
|
cs.new_command("cases", "ste2V", [&cs](CsValueRange args, CsValue &res) {
|
|
CsString val = args[0].get_str();
|
|
for (ostd::Size i = 1; (i + 1) < args.size(); i += 2) {
|
|
if (
|
|
(args[i].get_type() == CsValueType::Null) ||
|
|
(args[i].get_str() == val)
|
|
) {
|
|
cs.run(args[i + 1].get_code(), res);
|
|
return;
|
|
}
|
|
}
|
|
});
|
|
|
|
cs.new_command("pushif", "rTe", [&cs](CsValueRange args, CsValue &res) {
|
|
CsStackedValue idv{args[0].get_ident()};
|
|
if (!idv.has_alias() || (idv.get_alias()->get_index() < MaxArguments)) {
|
|
return;
|
|
}
|
|
if (args[1].get_bool()) {
|
|
idv = ostd::move(args[1]);
|
|
idv.push();
|
|
cs.run(args[2].get_code(), res);
|
|
}
|
|
});
|
|
|
|
cs.new_command("loop", "rie", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), 0, args[1].get_int(), 1, nullptr,
|
|
args[2].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loop+", "riie", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), args[1].get_int(), args[2].get_int(), 1,
|
|
nullptr, args[3].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loop*", "riie", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), 0, args[1].get_int(), args[2].get_int(),
|
|
nullptr, args[3].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loop+*", "riiie", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), args[1].get_int(), args[3].get_int(),
|
|
args[2].get_int(), nullptr, args[4].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopwhile", "riee", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), 0, args[1].get_int(), 1,
|
|
args[2].get_code(), args[3].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopwhile+", "riiee", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), args[1].get_int(), args[2].get_int(), 1,
|
|
args[3].get_code(), args[4].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopwhile*", "riiee", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), 0, args[2].get_int(), args[1].get_int(),
|
|
args[3].get_code(), args[4].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopwhile+*", "riiiee", [&cs](CsValueRange args, CsValue &) {
|
|
cs_do_loop(
|
|
cs, *args[0].get_ident(), args[1].get_int(), args[3].get_int(),
|
|
args[2].get_int(), args[4].get_code(), args[5].get_code()
|
|
);
|
|
});
|
|
|
|
cs.new_command("while", "ee", [&cs](CsValueRange args, CsValue &) {
|
|
CsBytecode *cond = args[0].get_code(), *body = args[1].get_code();
|
|
while (cs.run_bool(cond)) {
|
|
cs.run_int(body);
|
|
}
|
|
});
|
|
|
|
cs.new_command("loopconcat", "rie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), 0, args[1].get_int(), 1,
|
|
args[2].get_code(), true
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcat+", "riie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), args[1].get_int(), args[2].get_int(), 1,
|
|
args[3].get_code(), true
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcat*", "riie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), 0, args[2].get_int(), args[1].get_int(),
|
|
args[3].get_code(), true
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcat+*", "riiie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), args[1].get_int(), args[3].get_int(),
|
|
args[2].get_int(), args[4].get_code(), true
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcatword", "rie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), 0, args[1].get_int(), 1,
|
|
args[2].get_code(), false
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcatword+", "riie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), args[1].get_int(), args[2].get_int(), 1,
|
|
args[3].get_code(), false
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcatword*", "riie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), 0, args[2].get_int(), args[1].get_int(),
|
|
args[3].get_code(), false
|
|
);
|
|
});
|
|
|
|
cs.new_command("loopconcatword+*", "riiie", [&cs](CsValueRange args, CsValue &res) {
|
|
cs_loop_conc(
|
|
cs, res, *args[0].get_ident(), args[1].get_int(), args[3].get_int(),
|
|
args[2].get_int(), args[4].get_code(), false
|
|
);
|
|
});
|
|
|
|
cs.new_command("nodebug", "e", [&cs](CsValueRange args, CsValue &res) {
|
|
++cs.nodebug;
|
|
cs_do_and_cleanup([&]() {
|
|
cs.run(args[0].get_code(), res);
|
|
}, [&cs]() {
|
|
--cs.nodebug;
|
|
});
|
|
});
|
|
|
|
cs.new_command("push", "rTe", [&cs](CsValueRange args, CsValue &res) {
|
|
CsStackedValue idv{args[0].get_ident()};
|
|
if (!idv.has_alias() || (idv.get_alias()->get_index() < MaxArguments)) {
|
|
return;
|
|
}
|
|
idv = ostd::move(args[1]);
|
|
idv.push();
|
|
cs.run(args[2].get_code(), res);
|
|
});
|
|
|
|
cs.new_command("resetvar", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_int(cs.reset_var(args[0].get_strr()));
|
|
});
|
|
|
|
cs.new_command("alias", "sT", [&cs](CsValueRange args, CsValue &) {
|
|
cs.set_alias(args[0].get_strr(), ostd::move(args[1]));
|
|
});
|
|
|
|
cs.new_command("getvarmin", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_int(cs.get_var_min_int(args[0].get_strr()).value_or(0));
|
|
});
|
|
cs.new_command("getvarmax", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_int(cs.get_var_max_int(args[0].get_strr()).value_or(0));
|
|
});
|
|
cs.new_command("getfvarmin", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_float(cs.get_var_min_float(args[0].get_strr()).value_or(0.0f));
|
|
});
|
|
cs.new_command("getfvarmax", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_float(cs.get_var_max_float(args[0].get_strr()).value_or(0.0f));
|
|
});
|
|
|
|
cs.new_command("identexists", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_int(cs.have_ident(args[0].get_strr()));
|
|
});
|
|
|
|
cs.new_command("getalias", "s", [&cs](CsValueRange args, CsValue &res) {
|
|
res.set_str(ostd::move(cs.get_alias_val(args[0].get_strr()).value_or("")));
|
|
});
|
|
}
|
|
|
|
void cs_init_lib_math(CsState &cs);
|
|
void cs_init_lib_string(CsState &cs);
|
|
void cs_init_lib_list(CsState &cs);
|
|
|
|
OSTD_EXPORT void CsState::init_libs(int libs) {
|
|
if (libs & CsLibMath) {
|
|
cs_init_lib_math(*this);
|
|
}
|
|
if (libs & CsLibString) {
|
|
cs_init_lib_string(*this);
|
|
}
|
|
if (libs & CsLibList) {
|
|
cs_init_lib_list(*this);
|
|
}
|
|
}
|
|
|
|
} /* namespace cscript */
|