1687 lines
56 KiB
C++
1687 lines
56 KiB
C++
#include "cubescript.hh"
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#include "cs_vm.hh"
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#include "cs_util.hh"
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#include <limits.h>
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#include <ostd/memory.hh>
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namespace cscript {
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ostd::ConstCharRange cs_debug_line(
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CsState &cs, ostd::ConstCharRange p, ostd::ConstCharRange fmt,
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ostd::CharRange buf
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) {
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if (cs.src_str.empty()) {
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return fmt;
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}
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ostd::Size num = 1;
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ostd::ConstCharRange line(cs.src_str);
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for (;;) {
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ostd::ConstCharRange end = ostd::find(line, '\n');
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if (!end.empty()) {
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line = ostd::slice_until(line, end);
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}
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if (&p[0] >= &line[0] && &p[0] <= &line[line.size()]) {
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ostd::CharRange r(buf);
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if (!cs.src_file.empty()) {
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ostd::format(r, "%s:%d: %s", cs.src_file, num, fmt);
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} else {
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ostd::format(r, "%d: %s", num, fmt);
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}
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r.put('\0');
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return buf;
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}
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if (end.empty()) {
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break;
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}
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line = end;
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line.pop_front();
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++num;
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}
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return fmt;
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}
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void cs_debug_alias(CsState &cs) {
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if (!cs.dbgalias) {
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return;
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}
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int total = 0, depth = 0;
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for (IdentLink *l = cs.stack; l != &cs.noalias; l = l->next) {
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total++;
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}
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for (IdentLink *l = cs.stack; l != &cs.noalias; l = l->next) {
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Ident *id = l->id;
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++depth;
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if (depth < cs.dbgalias) {
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ostd::err.writefln(" %d) %s", total - depth + 1, id->name);
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} else if (l->next == &cs.noalias) {
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ostd::err.writefln(
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depth == cs.dbgalias ? " %d) %s" : " ..%d) %s",
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total - depth + 1, id->name
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);
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}
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}
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}
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static void bcode_ref(ostd::Uint32 *code) {
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if (!code) {
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return;
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}
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if ((*code & CODE_OP_MASK) == 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]&CODE_OP_MASK) {
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case CODE_START:
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bcode_incr(&code[-1]);
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break;
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case CODE_OFFSET:
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code -= ostd::Ptrdiff(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(ostd::Uint32 *code) {
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if (!code) {
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return;
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}
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if ((*code & CODE_OP_MASK) == 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]&CODE_OP_MASK) {
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case CODE_START:
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bcode_decr(&code[-1]);
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break;
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case CODE_OFFSET:
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code -= ostd::Ptrdiff(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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BytecodeRef::BytecodeRef(Bytecode *v): p_code(v) {
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bcode_ref(reinterpret_cast<ostd::Uint32 *>(p_code));
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}
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BytecodeRef::BytecodeRef(BytecodeRef const &v): p_code(v.p_code) {
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bcode_ref(reinterpret_cast<ostd::Uint32 *>(p_code));
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}
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BytecodeRef::~BytecodeRef() {
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bcode_unref(reinterpret_cast<ostd::Uint32 *>(p_code));
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}
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BytecodeRef &BytecodeRef::operator=(BytecodeRef const &v) {
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bcode_unref(reinterpret_cast<ostd::Uint32 *>(p_code));
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p_code = v.p_code;
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bcode_ref(reinterpret_cast<ostd::Uint32 *>(p_code));
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return *this;
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}
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BytecodeRef &BytecodeRef::operator=(BytecodeRef &&v) {
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bcode_unref(reinterpret_cast<ostd::Uint32 *>(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 ostd::Uint32 const *forcecode(CsState &cs, TaggedValue &v) {
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if (v.get_type() != VAL_CODE) {
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GenState gs(cs);
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gs.code.reserve(64);
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gs.gen_main(v.get_str());
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v.cleanup();
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v.set_code(reinterpret_cast<Bytecode *>(gs.code.disown() + 1));
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}
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return reinterpret_cast<ostd::Uint32 const *>(v.code);
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}
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static inline void forcecond(CsState &cs, TaggedValue &v) {
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switch (v.get_type()) {
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case VAL_STR:
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case VAL_MACRO:
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case VAL_CSTR:
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if (v.s[0]) {
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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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}
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}
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static ostd::Uint32 emptyblock[VAL_ANY][2] = {
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{ CODE_START + 0x100, CODE_EXIT | RET_NULL },
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{ CODE_START + 0x100, CODE_EXIT | RET_INT },
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{ CODE_START + 0x100, CODE_EXIT | RET_FLOAT },
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{ CODE_START + 0x100, CODE_EXIT | RET_STR }
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};
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static inline void force_arg(TaggedValue &v, int type) {
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switch (type) {
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case RET_STR:
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if (v.get_type() != VAL_STR) {
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v.force_str();
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}
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break;
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case RET_INT:
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if (v.get_type() != VAL_INT) {
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v.force_int();
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}
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break;
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case RET_FLOAT:
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if (v.get_type() != VAL_FLOAT) {
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v.force_float();
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}
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break;
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}
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}
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static inline void free_args(TaggedValue *args, int &oldnum, int newnum) {
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for (int i = newnum; i < oldnum; i++) {
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args[i].cleanup();
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}
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oldnum = newnum;
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}
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static ostd::Uint32 const *skipcode(
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ostd::Uint32 const *code, TaggedValue *result = nullptr
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) {
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int depth = 0;
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for (;;) {
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ostd::Uint32 op = *code++;
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switch (op & 0xFF) {
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case CODE_MACRO:
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case CODE_VAL | RET_STR: {
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ostd::Uint32 len = op >> 8;
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code += len / sizeof(ostd::Uint32) + 1;
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continue;
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}
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case CODE_BLOCK:
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case CODE_JUMP:
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case CODE_JUMP_TRUE:
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case CODE_JUMP_FALSE:
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case CODE_JUMP_RESULT_TRUE:
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case CODE_JUMP_RESULT_FALSE: {
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ostd::Uint32 len = op >> 8;
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code += len;
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continue;
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}
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case CODE_ENTER:
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case CODE_ENTER_RESULT:
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++depth;
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continue;
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case CODE_EXIT | RET_NULL:
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case CODE_EXIT | RET_STR:
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case CODE_EXIT | RET_INT:
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case CODE_EXIT | RET_FLOAT:
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if (depth <= 0) {
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if (result) {
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force_arg(*result, op & CODE_RET_MASK);
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}
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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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void TaggedValue::copy_arg(TaggedValue &r) const {
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r.cleanup();
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switch (get_type()) {
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case VAL_INT:
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case VAL_FLOAT:
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case VAL_IDENT:
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r = *this;
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break;
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case VAL_STR:
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case VAL_CSTR:
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case VAL_MACRO:
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r.set_str(ostd::ConstCharRange(s, len));
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break;
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case VAL_CODE: {
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ostd::Uint32 const *bcode = reinterpret_cast<ostd::Uint32 const *>(code);
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ostd::Uint32 const *end = skipcode(bcode);
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ostd::Uint32 *dst = new ostd::Uint32[end - bcode + 1];
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*dst++ = CODE_START;
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memcpy(dst, bcode, (end - bcode) * sizeof(ostd::Uint32));
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r.set_code(reinterpret_cast<Bytecode const *>(dst));
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break;
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}
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default:
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r.set_null();
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break;
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}
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}
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static inline void callcommand(
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CsState &cs, Ident *id, TaggedValue *args, TaggedValue &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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for (char const *fmt = id->cargs; *fmt; fmt++) {
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switch (*fmt) {
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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(CsIntMin);
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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 '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_cstr("");
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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_null();
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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_null();
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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<Bytecode *>(emptyblock[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.dummy);
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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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if (++i < numargs) {
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args[i].cleanup();
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}
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args[i].set_ident(id);
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break;
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case 'N':
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if (++i < numargs) {
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args[i].cleanup();
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}
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args[i].set_int(CsInt(lookup ? -1 : i - fakeargs));
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break;
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case 'C': {
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i = ostd::max(i + 1, numargs);
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auto buf = ostd::appender<ostd::String>();
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cscript::util::tvals_concat(buf, ostd::iter(args, i), " ");
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TaggedValue tv;
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tv.set_mstr(buf.get().iter());
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id->cb_cftv(TvalRange(&tv, 1), res);
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goto cleanup;
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}
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case 'V':
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i = ostd::max(i + 1, numargs);
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id->cb_cftv(ostd::iter(args, i), res);
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goto cleanup;
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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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fmt -= *fmt - '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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id->cb_cftv(TvalRange(args, i), res);
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cleanup:
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for (ostd::Size k = 0; k < ostd::Size(i); ++k) {
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args[k].cleanup();
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}
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for (; i < numargs; i++) {
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args[i].cleanup();
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}
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}
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static ostd::Uint32 const *runcode(
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CsState &cs, ostd::Uint32 const *code, TaggedValue &result
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);
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static inline void cs_call_alias(
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CsState &cs, Ident *id, TaggedValue *args, TaggedValue &result,
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int callargs, int &nargs, int offset, int skip, ostd::Uint32 op
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) {
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IdentStack argstack[MaxArguments];
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for(int i = 0; i < callargs; i++) {
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cs.identmap[i]->push_arg(args[offset + i], argstack[i], false);
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}
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int oldargs = cs.numargs;
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cs.numargs = callargs;
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int oldflags = cs.identflags;
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cs.identflags |= id->flags&IDF_OVERRIDDEN;
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IdentLink aliaslink = {
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id, cs.stack, (1<<callargs)-1, argstack
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};
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cs.stack = &aliaslink;
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if (!id->code) {
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id->code = reinterpret_cast<Bytecode *>(compilecode(cs, id->get_str()));
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}
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ostd::Uint32 *codep = reinterpret_cast<ostd::Uint32 *>(id->code);
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bcode_incr(codep);
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runcode(cs, codep+1, (result));
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bcode_decr(codep);
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cs.stack = aliaslink.next;
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cs.identflags = oldflags;
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for (int i = 0; i < callargs; i++) {
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cs.identmap[i]->pop_arg();
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}
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int argmask = aliaslink.usedargs & (~0 << callargs);
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for (; argmask; ++callargs) {
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if (argmask & (1 << callargs)) {
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cs.identmap[callargs]->pop_arg();
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argmask &= ~(1 << callargs);
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}
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}
|
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force_arg(result, op & CODE_RET_MASK);
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cs.numargs = oldargs;
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nargs = offset - skip;
|
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}
|
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|
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static constexpr int MaxRunDepth = 255;
|
|
static thread_local int rundepth = 0;
|
|
|
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static inline Ident *cs_get_lookup_id(CsState &cs, ostd::Uint32 op) {
|
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Ident *id = cs.identmap[op >> 8];
|
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if (id->flags & IDF_UNKNOWN) {
|
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cs_debug_code(cs, "unknown alias lookup: %s", id->name);
|
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}
|
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return id;
|
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}
|
|
|
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static inline Ident *cs_get_lookuparg_id(CsState &cs, ostd::Uint32 op) {
|
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Ident *id = cs.identmap[op >> 8];
|
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if (!(cs.stack->usedargs&(1<<id->index))) {
|
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return nullptr;
|
|
}
|
|
return id;
|
|
}
|
|
|
|
static inline int cs_get_lookupu_type(
|
|
CsState &cs, TaggedValue &arg, Ident *&id, ostd::Uint32 op
|
|
) {
|
|
if (
|
|
arg.get_type() != VAL_STR &&
|
|
arg.get_type() != VAL_MACRO &&
|
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arg.get_type() != VAL_CSTR
|
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) {
|
|
return -2; /* default case */
|
|
}
|
|
id = cs.idents.at(arg.s);
|
|
if (id) {
|
|
switch(id->type) {
|
|
case ID_ALIAS:
|
|
if (id->flags & IDF_UNKNOWN) {
|
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break;
|
|
}
|
|
arg.cleanup();
|
|
if (
|
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(id->index < MaxArguments) &&
|
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!(cs.stack->usedargs & (1 << id->index))
|
|
) {
|
|
return ID_UNKNOWN;
|
|
}
|
|
return ID_ALIAS;
|
|
case ID_SVAR:
|
|
arg.cleanup();
|
|
return ID_SVAR;
|
|
case ID_IVAR:
|
|
arg.cleanup();
|
|
return ID_IVAR;
|
|
case ID_FVAR:
|
|
arg.cleanup();
|
|
return ID_FVAR;
|
|
case ID_COMMAND: {
|
|
arg.cleanup();
|
|
arg.set_null();
|
|
TaggedValue buf[MaxArguments];
|
|
callcommand(cs, id, buf, arg, 0, true);
|
|
force_arg(arg, op & CODE_RET_MASK);
|
|
return -2; /* ignore */
|
|
}
|
|
default:
|
|
arg.cleanup();
|
|
return ID_UNKNOWN;
|
|
}
|
|
}
|
|
cs_debug_code(cs, "unknown alias lookup: %s", arg.s);
|
|
arg.cleanup();
|
|
return ID_UNKNOWN;
|
|
}
|
|
|
|
static ostd::Uint32 const *runcode(
|
|
CsState &cs, ostd::Uint32 const *code, TaggedValue &result
|
|
) {
|
|
result.set_null();
|
|
if (rundepth >= MaxRunDepth) {
|
|
cs_debug_code(cs, "exceeded recursion limit");
|
|
return skipcode(code, &result);
|
|
}
|
|
++rundepth;
|
|
int numargs = 0;
|
|
TaggedValue args[MaxArguments + MaxResults];
|
|
for (;;) {
|
|
ostd::Uint32 op = *code++;
|
|
switch (op & 0xFF) {
|
|
case CODE_START:
|
|
case CODE_OFFSET:
|
|
continue;
|
|
|
|
case CODE_NULL | RET_NULL:
|
|
result.cleanup();
|
|
result.set_null();
|
|
continue;
|
|
case CODE_NULL | RET_STR:
|
|
result.cleanup();
|
|
result.set_str("");
|
|
continue;
|
|
case CODE_NULL | RET_INT:
|
|
result.cleanup();
|
|
result.set_int(0);
|
|
continue;
|
|
case CODE_NULL | RET_FLOAT:
|
|
result.cleanup();
|
|
result.set_float(0.0f);
|
|
continue;
|
|
|
|
case CODE_FALSE | RET_STR:
|
|
result.cleanup();
|
|
result.set_str("0");
|
|
continue;
|
|
case CODE_FALSE | RET_NULL:
|
|
case CODE_FALSE | RET_INT:
|
|
result.cleanup();
|
|
result.set_int(0);
|
|
continue;
|
|
case CODE_FALSE | RET_FLOAT:
|
|
result.cleanup();
|
|
result.set_float(0.0f);
|
|
continue;
|
|
|
|
case CODE_TRUE | RET_STR:
|
|
result.cleanup();
|
|
result.set_str("1");
|
|
continue;
|
|
case CODE_TRUE | RET_NULL:
|
|
case CODE_TRUE | RET_INT:
|
|
result.cleanup();
|
|
result.set_int(1);
|
|
continue;
|
|
case CODE_TRUE | RET_FLOAT:
|
|
result.cleanup();
|
|
result.set_float(1.0f);
|
|
continue;
|
|
|
|
case CODE_NOT | RET_STR:
|
|
result.cleanup();
|
|
--numargs;
|
|
result.set_str(args[numargs].get_bool() ? "0" : "1");
|
|
args[numargs].cleanup();
|
|
continue;
|
|
case CODE_NOT | RET_NULL:
|
|
case CODE_NOT | RET_INT:
|
|
result.cleanup();
|
|
--numargs;
|
|
result.set_int(!args[numargs].get_bool());
|
|
args[numargs].cleanup();
|
|
continue;
|
|
case CODE_NOT | RET_FLOAT:
|
|
result.cleanup();
|
|
--numargs;
|
|
result.set_float(CsFloat(!args[numargs].get_bool()));
|
|
args[numargs].cleanup();
|
|
continue;
|
|
|
|
case CODE_POP:
|
|
args[--numargs].cleanup();
|
|
continue;
|
|
case CODE_ENTER:
|
|
code = runcode(cs, code, args[numargs++]);
|
|
continue;
|
|
case CODE_ENTER_RESULT:
|
|
result.cleanup();
|
|
code = runcode(cs, code, result);
|
|
continue;
|
|
case CODE_EXIT | RET_STR:
|
|
case CODE_EXIT | RET_INT:
|
|
case CODE_EXIT | RET_FLOAT:
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
/* fallthrough */
|
|
case CODE_EXIT | RET_NULL:
|
|
goto exit;
|
|
case CODE_RESULT_ARG | RET_STR:
|
|
case CODE_RESULT_ARG | RET_INT:
|
|
case CODE_RESULT_ARG | RET_FLOAT:
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
/* fallthrough */
|
|
case CODE_RESULT_ARG | RET_NULL:
|
|
args[numargs++] = result;
|
|
result.set_null();
|
|
continue;
|
|
case CODE_PRINT:
|
|
cs.print_var(cs.identmap[op >> 8]);
|
|
continue;
|
|
|
|
case CODE_LOCAL: {
|
|
result.cleanup();
|
|
int numlocals = op >> 8, offset = numargs - numlocals;
|
|
IdentStack locals[MaxArguments];
|
|
for (int i = 0; i < numlocals; ++i) {
|
|
args[offset + i].id->push_alias(locals[i]);
|
|
}
|
|
code = runcode(cs, code, result);
|
|
for (int i = offset; i < numargs; i++) {
|
|
args[i].id->pop_alias();
|
|
}
|
|
goto exit;
|
|
}
|
|
|
|
case CODE_DOARGS | RET_NULL:
|
|
case CODE_DOARGS | RET_STR:
|
|
case CODE_DOARGS | RET_INT:
|
|
case CODE_DOARGS | RET_FLOAT:
|
|
if (cs.stack != &cs.noalias) {
|
|
cs_do_args(cs, [&]() {
|
|
result.cleanup();
|
|
cs.run_ret(args[--numargs].code, result);
|
|
args[numargs].cleanup();
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
});
|
|
continue;
|
|
}
|
|
/* fallthrough */
|
|
case CODE_DO | RET_NULL:
|
|
case CODE_DO | RET_STR:
|
|
case CODE_DO | RET_INT:
|
|
case CODE_DO | RET_FLOAT:
|
|
result.cleanup();
|
|
cs.run_ret(args[--numargs].code, result);
|
|
args[numargs].cleanup();
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
|
|
case CODE_JUMP: {
|
|
ostd::Uint32 len = op >> 8;
|
|
code += len;
|
|
continue;
|
|
}
|
|
case CODE_JUMP_TRUE: {
|
|
ostd::Uint32 len = op >> 8;
|
|
if (args[--numargs].get_bool()) {
|
|
code += len;
|
|
}
|
|
args[numargs].cleanup();
|
|
continue;
|
|
}
|
|
case CODE_JUMP_FALSE: {
|
|
ostd::Uint32 len = op >> 8;
|
|
if (!args[--numargs].get_bool()) {
|
|
code += len;
|
|
}
|
|
args[numargs].cleanup();
|
|
continue;
|
|
}
|
|
case CODE_JUMP_RESULT_TRUE: {
|
|
ostd::Uint32 len = op >> 8;
|
|
result.cleanup();
|
|
--numargs;
|
|
if (args[numargs].get_type() == VAL_CODE) {
|
|
cs.run_ret(args[numargs].code, result);
|
|
args[numargs].cleanup();
|
|
} else {
|
|
result = args[numargs];
|
|
}
|
|
if (result.get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
case CODE_JUMP_RESULT_FALSE: {
|
|
ostd::Uint32 len = op >> 8;
|
|
result.cleanup();
|
|
--numargs;
|
|
if (args[numargs].get_type() == VAL_CODE) {
|
|
cs.run_ret(args[numargs].code, result);
|
|
args[numargs].cleanup();
|
|
} else {
|
|
result = args[numargs];
|
|
}
|
|
if (!result.get_bool()) {
|
|
code += len;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CODE_MACRO: {
|
|
ostd::Uint32 len = op >> 8;
|
|
args[numargs++].set_macro(
|
|
reinterpret_cast<Bytecode const *>(code), len
|
|
);
|
|
code += len / sizeof(ostd::Uint32) + 1;
|
|
continue;
|
|
}
|
|
|
|
case CODE_VAL | RET_STR: {
|
|
ostd::Uint32 len = op >> 8;
|
|
args[numargs++].set_str(ostd::ConstCharRange(
|
|
reinterpret_cast<char const *>(code), len
|
|
));
|
|
code += len / sizeof(ostd::Uint32) + 1;
|
|
continue;
|
|
}
|
|
case CODE_VALI | RET_STR: {
|
|
char s[4] = {
|
|
char((op >> 8) & 0xFF),
|
|
char((op >> 16) & 0xFF),
|
|
char((op >> 24) & 0xFF), '\0'
|
|
};
|
|
args[numargs++].set_str(s);
|
|
continue;
|
|
}
|
|
case CODE_VAL | RET_NULL:
|
|
case CODE_VALI | RET_NULL:
|
|
args[numargs++].set_null();
|
|
continue;
|
|
case CODE_VAL | RET_INT:
|
|
args[numargs++].set_int(CsInt(*code++));
|
|
continue;
|
|
case CODE_VALI | RET_INT:
|
|
args[numargs++].set_int(CsInt(op) >> 8);
|
|
continue;
|
|
case CODE_VAL | RET_FLOAT:
|
|
args[numargs++].set_float(
|
|
*reinterpret_cast<CsFloat const *>(code++)
|
|
);
|
|
continue;
|
|
case CODE_VALI | RET_FLOAT:
|
|
args[numargs++].set_float(CsFloat(CsInt(op) >> 8));
|
|
continue;
|
|
|
|
case CODE_DUP | RET_NULL:
|
|
args[numargs - 1].get_val(args[numargs]);
|
|
numargs++;
|
|
continue;
|
|
case CODE_DUP | RET_INT:
|
|
args[numargs].set_int(args[numargs - 1].get_int());
|
|
numargs++;
|
|
continue;
|
|
case CODE_DUP | RET_FLOAT:
|
|
args[numargs].set_float(args[numargs - 1].get_float());
|
|
numargs++;
|
|
continue;
|
|
case CODE_DUP | RET_STR:
|
|
args[numargs].set_str(ostd::move(args[numargs - 1].get_str()));
|
|
numargs++;
|
|
continue;
|
|
|
|
case CODE_FORCE | RET_STR:
|
|
args[numargs - 1].force_str();
|
|
continue;
|
|
case CODE_FORCE | RET_INT:
|
|
args[numargs - 1].force_int();
|
|
continue;
|
|
case CODE_FORCE | RET_FLOAT:
|
|
args[numargs - 1].force_float();
|
|
continue;
|
|
|
|
case CODE_RESULT | RET_NULL:
|
|
result.cleanup();
|
|
result = args[--numargs];
|
|
continue;
|
|
case CODE_RESULT | RET_STR:
|
|
case CODE_RESULT | RET_INT:
|
|
case CODE_RESULT | RET_FLOAT:
|
|
result.cleanup();
|
|
result = args[--numargs];
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
|
|
case CODE_EMPTY | RET_NULL:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<Bytecode *>(emptyblock[VAL_NULL] + 1)
|
|
);
|
|
break;
|
|
case CODE_EMPTY | RET_STR:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<Bytecode *>(emptyblock[VAL_STR] + 1)
|
|
);
|
|
break;
|
|
case CODE_EMPTY | RET_INT:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<Bytecode *>(emptyblock[VAL_INT] + 1)
|
|
);
|
|
break;
|
|
case CODE_EMPTY | RET_FLOAT:
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<Bytecode *>(emptyblock[VAL_FLOAT] + 1)
|
|
);
|
|
break;
|
|
case CODE_BLOCK: {
|
|
ostd::Uint32 len = op >> 8;
|
|
args[numargs++].set_code(
|
|
reinterpret_cast<Bytecode const *>(code + 1)
|
|
);
|
|
code += len;
|
|
continue;
|
|
}
|
|
case CODE_COMPILE: {
|
|
TaggedValue &arg = args[numargs - 1];
|
|
GenState gs(cs);
|
|
switch (arg.get_type()) {
|
|
case VAL_INT:
|
|
gs.code.reserve(8);
|
|
gs.code.push(CODE_START);
|
|
gs.gen_int(arg.i);
|
|
gs.code.push(CODE_RESULT);
|
|
gs.code.push(CODE_EXIT);
|
|
break;
|
|
case VAL_FLOAT:
|
|
gs.code.reserve(8);
|
|
gs.code.push(CODE_START);
|
|
gs.gen_float(arg.f);
|
|
gs.code.push(CODE_RESULT);
|
|
gs.code.push(CODE_EXIT);
|
|
break;
|
|
case VAL_STR:
|
|
case VAL_MACRO:
|
|
case VAL_CSTR:
|
|
gs.code.reserve(64);
|
|
gs.gen_main(arg.s);
|
|
arg.cleanup();
|
|
break;
|
|
default:
|
|
gs.code.reserve(8);
|
|
gs.code.push(CODE_START);
|
|
gs.gen_null();
|
|
gs.code.push(CODE_RESULT);
|
|
gs.code.push(CODE_EXIT);
|
|
break;
|
|
}
|
|
arg.set_code(
|
|
reinterpret_cast<Bytecode const *>(gs.code.disown() + 1)
|
|
);
|
|
continue;
|
|
}
|
|
case CODE_COND: {
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (arg.get_type()) {
|
|
case VAL_STR:
|
|
case VAL_MACRO:
|
|
case VAL_CSTR:
|
|
if (arg.s[0]) {
|
|
GenState gs(cs);
|
|
gs.code.reserve(64);
|
|
gs.gen_main(arg.s);
|
|
arg.cleanup();
|
|
arg.set_code(reinterpret_cast<Bytecode const *>(
|
|
gs.code.disown() + 1
|
|
));
|
|
} else {
|
|
arg.force_null();
|
|
}
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CODE_IDENT:
|
|
args[numargs++].set_ident(cs.identmap[op >> 8]);
|
|
continue;
|
|
case CODE_IDENTARG: {
|
|
Ident *id = cs.identmap[op >> 8];
|
|
if (!(cs.stack->usedargs & (1 << id->index))) {
|
|
id->push_arg(null_value, cs.stack->argstack[id->index], false);
|
|
cs.stack->usedargs |= 1 << id->index;
|
|
}
|
|
args[numargs++].set_ident(id);
|
|
continue;
|
|
}
|
|
case CODE_IDENTU: {
|
|
TaggedValue &arg = args[numargs - 1];
|
|
Ident *id = cs.dummy;
|
|
if (
|
|
arg.get_type() == VAL_STR ||
|
|
arg.get_type() == VAL_MACRO ||
|
|
arg.get_type() == VAL_CSTR
|
|
) {
|
|
id = cs.new_ident(ostd::ConstCharRange(arg.cstr, arg.len));
|
|
}
|
|
if (id->index < MaxArguments && !(cs.stack->usedargs & (1 << id->index))) {
|
|
id->push_arg(null_value, cs.stack->argstack[id->index], false);
|
|
cs.stack->usedargs |= 1 << id->index;
|
|
}
|
|
arg.cleanup();
|
|
arg.set_ident(id);
|
|
continue;
|
|
}
|
|
|
|
case CODE_LOOKUPU | RET_STR: {
|
|
Ident *id = nullptr;
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg.set_str(ostd::move(id->get_str()));
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_str(*id->storage.sp);
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_str(ostd::move(intstr(*id->storage.ip)));
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_str(ostd::move(floatstr(*id->storage.fp)));
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_str("");
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CODE_LOOKUP | RET_STR:
|
|
args[numargs++].set_str(
|
|
ostd::move(cs_get_lookup_id(cs, op)->get_str())
|
|
);
|
|
continue;
|
|
case CODE_LOOKUPARG | RET_STR: {
|
|
Ident *id = cs_get_lookuparg_id(cs, op);
|
|
if (!id) {
|
|
args[numargs++].set_str("");
|
|
} else {
|
|
args[numargs++].set_str(ostd::move(id->get_str()));
|
|
}
|
|
continue;
|
|
}
|
|
case CODE_LOOKUPU | RET_INT: {
|
|
Ident *id = nullptr;
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg.set_int(id->get_int());
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_int(cs_parse_int(*id->storage.sp));
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(*id->storage.ip);
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_int(CsInt(*id->storage.fp));
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_int(0);
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CODE_LOOKUP | RET_INT:
|
|
args[numargs++].set_int(
|
|
cs_get_lookup_id(cs, op)->get_int()
|
|
);
|
|
continue;
|
|
case CODE_LOOKUPARG | RET_INT: {
|
|
Ident *id = cs_get_lookuparg_id(cs, op);
|
|
if (!id) {
|
|
args[numargs++].set_int(0);
|
|
} else {
|
|
args[numargs++].set_int(id->get_int());
|
|
}
|
|
continue;
|
|
}
|
|
case CODE_LOOKUPU | RET_FLOAT: {
|
|
Ident *id = nullptr;
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
arg.set_float(id->get_float());
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_float(cs_parse_float(*id->storage.sp));
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_float(CsFloat(*id->storage.ip));
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(*id->storage.fp);
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_float(CsFloat(0));
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CODE_LOOKUP | RET_FLOAT:
|
|
args[numargs++].set_float(
|
|
cs_get_lookup_id(cs, op)->get_float()
|
|
);
|
|
continue;
|
|
case CODE_LOOKUPARG | RET_FLOAT: {
|
|
Ident *id = cs_get_lookuparg_id(cs, op);
|
|
if (!id) {
|
|
args[numargs++].set_float(CsFloat(0));
|
|
} else {
|
|
args[numargs++].set_float(id->get_float());
|
|
}
|
|
continue;
|
|
}
|
|
case CODE_LOOKUPU | RET_NULL: {
|
|
Ident *id = nullptr;
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
id->get_val(arg);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_str(*id->storage.sp);
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(*id->storage.ip);
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(*id->storage.fp);
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_null();
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CODE_LOOKUP | RET_NULL:
|
|
cs_get_lookup_id(cs, op)->get_val(args[numargs++]);
|
|
continue;
|
|
case CODE_LOOKUPARG | RET_NULL: {
|
|
Ident *id = cs_get_lookuparg_id(cs, op);
|
|
if (!id) {
|
|
args[numargs++].set_null();
|
|
} else {
|
|
id->get_val(args[numargs++]);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CODE_LOOKUPMU | RET_STR: {
|
|
Ident *id = nullptr;
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
id->get_cstr(arg);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_cstr(*id->storage.sp);
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_str(ostd::move(intstr(*id->storage.ip)));
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_str(ostd::move(floatstr(*id->storage.fp)));
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_cstr("");
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CODE_LOOKUPM | RET_STR:
|
|
cs_get_lookup_id(cs, op)->get_cstr(args[numargs++]);
|
|
continue;
|
|
case CODE_LOOKUPMARG | RET_STR: {
|
|
Ident *id = cs_get_lookuparg_id(cs, op);
|
|
if (!id) {
|
|
args[numargs++].set_cstr("");
|
|
} else {
|
|
id->get_cstr(args[numargs++]);
|
|
}
|
|
continue;
|
|
}
|
|
case CODE_LOOKUPMU | RET_NULL: {
|
|
Ident *id = nullptr;
|
|
TaggedValue &arg = args[numargs - 1];
|
|
switch (cs_get_lookupu_type(cs, arg, id, op)) {
|
|
case ID_ALIAS:
|
|
id->get_cval(arg);
|
|
continue;
|
|
case ID_SVAR:
|
|
arg.set_cstr(*id->storage.sp);
|
|
continue;
|
|
case ID_IVAR:
|
|
arg.set_int(*id->storage.ip);
|
|
continue;
|
|
case ID_FVAR:
|
|
arg.set_float(*id->storage.fp);
|
|
continue;
|
|
case ID_UNKNOWN:
|
|
arg.set_null();
|
|
continue;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
case CODE_LOOKUPM | RET_NULL:
|
|
cs_get_lookup_id(cs, op)->get_cval(args[numargs++]);
|
|
continue;
|
|
case CODE_LOOKUPMARG | RET_NULL: {
|
|
Ident *id = cs_get_lookuparg_id(cs, op);
|
|
if (!id) {
|
|
args[numargs++].set_null();
|
|
} else {
|
|
id->get_cval(args[numargs++]);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
case CODE_SVAR | RET_STR:
|
|
case CODE_SVAR | RET_NULL:
|
|
args[numargs++].set_str(*cs.identmap[op >> 8]->storage.sp);
|
|
continue;
|
|
case CODE_SVAR | RET_INT:
|
|
args[numargs++].set_int(cs_parse_int(
|
|
*cs.identmap[op >> 8]->storage.sp)
|
|
);
|
|
continue;
|
|
case CODE_SVAR | RET_FLOAT:
|
|
args[numargs++].set_float(
|
|
cs_parse_float(*cs.identmap[op >> 8]->storage.sp)
|
|
);
|
|
continue;
|
|
case CODE_SVARM:
|
|
args[numargs++].set_cstr(*cs.identmap[op >> 8]->storage.sp);
|
|
continue;
|
|
case CODE_SVAR1:
|
|
cs.set_var_str_checked(cs.identmap[op >> 8], args[--numargs].s);
|
|
args[numargs].cleanup();
|
|
continue;
|
|
|
|
case CODE_IVAR | RET_INT:
|
|
case CODE_IVAR | RET_NULL:
|
|
args[numargs++].set_int(*cs.identmap[op >> 8]->storage.ip);
|
|
continue;
|
|
case CODE_IVAR | RET_STR:
|
|
args[numargs++].set_str(
|
|
ostd::move(intstr(*cs.identmap[op >> 8]->storage.ip))
|
|
);
|
|
continue;
|
|
case CODE_IVAR | RET_FLOAT:
|
|
args[numargs++].set_float(
|
|
CsFloat(*cs.identmap[op >> 8]->storage.ip)
|
|
);
|
|
continue;
|
|
case CODE_IVAR1:
|
|
cs.set_var_int_checked(cs.identmap[op >> 8], args[--numargs].i);
|
|
continue;
|
|
case CODE_IVAR2:
|
|
numargs -= 2;
|
|
cs.set_var_int_checked(
|
|
cs.identmap[op >> 8],
|
|
(args[numargs].i << 16) | (args[numargs + 1].i << 8));
|
|
continue;
|
|
case CODE_IVAR3:
|
|
numargs -= 3;
|
|
cs.set_var_int_checked(
|
|
cs.identmap[op >> 8],
|
|
(args[numargs].i << 16)
|
|
| (args[numargs + 1].i << 8)
|
|
| args[numargs + 2].i);
|
|
continue;
|
|
|
|
case CODE_FVAR | RET_FLOAT:
|
|
case CODE_FVAR | RET_NULL:
|
|
args[numargs++].set_float(*cs.identmap[op >> 8]->storage.fp);
|
|
continue;
|
|
case CODE_FVAR | RET_STR:
|
|
args[numargs++].set_str(
|
|
ostd::move(floatstr(*cs.identmap[op >> 8]->storage.fp))
|
|
);
|
|
continue;
|
|
case CODE_FVAR | RET_INT:
|
|
args[numargs++].set_int(int(*cs.identmap[op >> 8]->storage.fp));
|
|
continue;
|
|
case CODE_FVAR1:
|
|
cs.set_var_float_checked(cs.identmap[op >> 8], args[--numargs].f);
|
|
continue;
|
|
|
|
case CODE_COM | RET_NULL:
|
|
case CODE_COM | RET_STR:
|
|
case CODE_COM | RET_FLOAT:
|
|
case CODE_COM | RET_INT: {
|
|
Ident *id = cs.identmap[op >> 8];
|
|
int offset = numargs - id->numargs;
|
|
result.force_null();
|
|
id->cb_cftv(TvalRange(args + offset, id->numargs), result);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
free_args(args, numargs, offset);
|
|
continue;
|
|
}
|
|
|
|
case CODE_COMV | RET_NULL:
|
|
case CODE_COMV | RET_STR:
|
|
case CODE_COMV | RET_FLOAT:
|
|
case CODE_COMV | RET_INT: {
|
|
Ident *id = cs.identmap[op >> 13];
|
|
int callargs = (op >> 8) & 0x1F, offset = numargs - callargs;
|
|
result.force_null();
|
|
id->cb_cftv(ostd::iter(&args[offset], callargs), result);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
free_args(args, numargs, offset);
|
|
continue;
|
|
}
|
|
case CODE_COMC | RET_NULL:
|
|
case CODE_COMC | RET_STR:
|
|
case CODE_COMC | RET_FLOAT:
|
|
case CODE_COMC | RET_INT: {
|
|
Ident *id = cs.identmap[op >> 13];
|
|
int callargs = (op >> 8) & 0x1F, offset = numargs - callargs;
|
|
result.force_null();
|
|
{
|
|
auto buf = ostd::appender<ostd::String>();
|
|
cscript::util::tvals_concat(
|
|
buf, ostd::iter(&args[offset], callargs), " "
|
|
);
|
|
TaggedValue tv;
|
|
tv.set_mstr(buf.get().iter());
|
|
id->cb_cftv(TvalRange(&tv, 1), result);
|
|
}
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
free_args(args, numargs, offset);
|
|
continue;
|
|
}
|
|
|
|
case CODE_CONC | RET_NULL:
|
|
case CODE_CONC | RET_STR:
|
|
case CODE_CONC | RET_FLOAT:
|
|
case CODE_CONC | RET_INT:
|
|
case CODE_CONCW | RET_NULL:
|
|
case CODE_CONCW | RET_STR:
|
|
case CODE_CONCW | RET_FLOAT:
|
|
case CODE_CONCW | RET_INT: {
|
|
int numconc = op >> 8;
|
|
auto buf = ostd::appender<ostd::String>();
|
|
cscript::util::tvals_concat(
|
|
buf, ostd::iter(&args[numargs - numconc], numconc),
|
|
((op & CODE_OP_MASK) == CODE_CONC) ? " " : ""
|
|
);
|
|
free_args(args, numargs, numargs - numconc);
|
|
args[numargs].set_mstr(buf.get().iter());
|
|
buf.get().disown();
|
|
force_arg(args[numargs], op & CODE_RET_MASK);
|
|
numargs++;
|
|
continue;
|
|
}
|
|
|
|
case CODE_CONCM | RET_NULL:
|
|
case CODE_CONCM | RET_STR:
|
|
case CODE_CONCM | RET_FLOAT:
|
|
case CODE_CONCM | RET_INT: {
|
|
int numconc = op >> 8;
|
|
auto buf = ostd::appender<ostd::String>();
|
|
cscript::util::tvals_concat(
|
|
buf, ostd::iter(&args[numargs - numconc], numconc)
|
|
);
|
|
free_args(args, numargs, numargs - numconc);
|
|
result.set_mstr(buf.get().iter());
|
|
buf.get().disown();
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
|
|
case CODE_ALIAS:
|
|
cs.identmap[op >> 8]->set_alias(cs, args[--numargs]);
|
|
continue;
|
|
case CODE_ALIASARG:
|
|
cs.identmap[op >> 8]->set_arg(cs, args[--numargs]);
|
|
continue;
|
|
case CODE_ALIASU:
|
|
numargs -= 2;
|
|
cs.set_alias(args[numargs].get_str(), args[numargs + 1]);
|
|
args[numargs].cleanup();
|
|
continue;
|
|
|
|
case CODE_CALL | RET_NULL:
|
|
case CODE_CALL | RET_STR:
|
|
case CODE_CALL | RET_FLOAT:
|
|
case CODE_CALL | RET_INT: {
|
|
result.force_null();
|
|
Ident *id = cs.identmap[op >> 13];
|
|
int callargs = (op >> 8) & 0x1F, offset = numargs - callargs;
|
|
if (id->flags & IDF_UNKNOWN) {
|
|
cs_debug_code(cs, "unknown command: %s", id->name);
|
|
free_args(args, numargs, offset);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
cs_call_alias(
|
|
cs, id, args, result, callargs, numargs, offset, 0, op
|
|
);
|
|
continue;
|
|
}
|
|
case CODE_CALLARG | RET_NULL:
|
|
case CODE_CALLARG | RET_STR:
|
|
case CODE_CALLARG | RET_FLOAT:
|
|
case CODE_CALLARG | RET_INT: {
|
|
result.force_null();
|
|
Ident *id = cs.identmap[op >> 13];
|
|
int callargs = (op >> 8) & 0x1F, offset = numargs - callargs;
|
|
if (!(cs.stack->usedargs & (1 << id->index))) {
|
|
free_args(args, numargs, offset);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
cs_call_alias(
|
|
cs, id, args, result, callargs, numargs, offset, 0, op
|
|
);
|
|
continue;
|
|
}
|
|
|
|
case CODE_CALLU | RET_NULL:
|
|
case CODE_CALLU | RET_STR:
|
|
case CODE_CALLU | RET_FLOAT:
|
|
case CODE_CALLU | RET_INT: {
|
|
int callargs = op >> 8, offset = numargs - callargs;
|
|
TaggedValue &idarg = args[offset - 1];
|
|
if (
|
|
idarg.get_type() != VAL_STR &&
|
|
idarg.get_type() != VAL_MACRO &&
|
|
idarg.get_type() != VAL_CSTR
|
|
) {
|
|
litval:
|
|
result.cleanup();
|
|
result = idarg;
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
while (--numargs >= offset) {
|
|
args[numargs].cleanup();
|
|
}
|
|
continue;
|
|
}
|
|
Ident *id = cs.idents.at(idarg.s);
|
|
if (!id) {
|
|
noid:
|
|
if (cs_check_num(idarg.s)) {
|
|
goto litval;
|
|
}
|
|
cs_debug_code(cs, "unknown command: %s", idarg.s);
|
|
result.force_null();
|
|
free_args(args, numargs, offset - 1);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
result.force_null();
|
|
switch (id->type) {
|
|
default:
|
|
if (!id->cb_cftv) {
|
|
free_args(args, numargs, offset - 1);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
/* fallthrough */
|
|
case ID_COMMAND:
|
|
idarg.cleanup();
|
|
callcommand(cs, id, &args[offset], result, callargs);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
numargs = offset - 1;
|
|
continue;
|
|
case ID_LOCAL: {
|
|
IdentStack locals[MaxArguments];
|
|
idarg.cleanup();
|
|
for (ostd::Size j = 0; j < ostd::Size(callargs); ++j) {
|
|
cs.force_ident(
|
|
args[offset + j]
|
|
)->push_alias(locals[j]);
|
|
}
|
|
code = runcode(cs, code, result);
|
|
for (ostd::Size j = 0; j < ostd::Size(callargs); ++j) {
|
|
args[offset + j].id->pop_alias();
|
|
}
|
|
goto exit;
|
|
}
|
|
case ID_IVAR:
|
|
if (callargs <= 0) {
|
|
cs.print_var(id);
|
|
} else {
|
|
cs.set_var_int_checked(
|
|
id, ostd::iter(&args[offset], callargs)
|
|
);
|
|
}
|
|
free_args(args, numargs, offset - 1);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
case ID_FVAR:
|
|
if (callargs <= 0) {
|
|
cs.print_var(id);
|
|
} else {
|
|
cs.set_var_float_checked(
|
|
id, args[offset].force_float()
|
|
);
|
|
}
|
|
free_args(args, numargs, offset - 1);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
case ID_SVAR:
|
|
if (callargs <= 0) {
|
|
cs.print_var(id);
|
|
} else {
|
|
cs.set_var_str_checked(id, args[offset].force_str());
|
|
}
|
|
free_args(args, numargs, offset - 1);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
case ID_ALIAS:
|
|
if (
|
|
id->index < MaxArguments &&
|
|
!(cs.stack->usedargs & (1 << id->index))
|
|
) {
|
|
free_args(args, numargs, offset - 1);
|
|
force_arg(result, op & CODE_RET_MASK);
|
|
continue;
|
|
}
|
|
if (id->get_valtype() == VAL_NULL) {
|
|
goto noid;
|
|
}
|
|
idarg.cleanup();
|
|
cs_call_alias(
|
|
cs, id, args, result, callargs, numargs,
|
|
offset, 1, op
|
|
);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
exit:
|
|
--rundepth;
|
|
return code;
|
|
}
|
|
|
|
void CsState::run_ret(Bytecode const *code, TaggedValue &ret) {
|
|
runcode(*this, reinterpret_cast<ostd::Uint32 const *>(code), ret);
|
|
}
|
|
|
|
void CsState::run_ret(ostd::ConstCharRange code, TaggedValue &ret) {
|
|
GenState gs(*this);
|
|
gs.code.reserve(64);
|
|
/* FIXME range */
|
|
gs.gen_main(code.data(), VAL_ANY);
|
|
runcode(*this, gs.code.data() + 1, ret);
|
|
if (int(gs.code[0]) >= 0x100) {
|
|
gs.code.disown();
|
|
}
|
|
}
|
|
|
|
/* TODO */
|
|
void CsState::run_ret(Ident *id, TvalRange args, TaggedValue &ret) {
|
|
int nargs = int(args.size());
|
|
ret.set_null();
|
|
++rundepth;
|
|
if (rundepth > MaxRunDepth) {
|
|
cs_debug_code(*this, "exceeded recursion limit");
|
|
} else if (id) {
|
|
switch (id->type) {
|
|
default:
|
|
if (!id->cb_cftv) {
|
|
break;
|
|
}
|
|
/* fallthrough */
|
|
case ID_COMMAND:
|
|
if (nargs < id->numargs) {
|
|
TaggedValue buf[MaxArguments];
|
|
memcpy(buf, args.data(), args.size() * sizeof(TaggedValue));
|
|
callcommand(*this, id, buf, ret, nargs, false);
|
|
} else {
|
|
callcommand(*this, id, args.data(), ret, nargs, false);
|
|
}
|
|
nargs = 0;
|
|
break;
|
|
case ID_IVAR:
|
|
if (args.empty()) {
|
|
print_var(id);
|
|
} else {
|
|
set_var_int_checked(id, args);
|
|
}
|
|
break;
|
|
case ID_FVAR:
|
|
if (args.empty()) {
|
|
print_var(id);
|
|
} else {
|
|
set_var_float_checked(id, args[0].force_float());
|
|
}
|
|
break;
|
|
case ID_SVAR:
|
|
if (args.empty()) {
|
|
print_var(id);
|
|
} else {
|
|
set_var_str_checked(id, args[0].force_str());
|
|
}
|
|
break;
|
|
case ID_ALIAS:
|
|
if (id->index < MaxArguments) {
|
|
if (!(stack->usedargs & (1 << id->index))) {
|
|
break;
|
|
}
|
|
}
|
|
if (id->get_valtype() == VAL_NULL) {
|
|
break;
|
|
}
|
|
cs_call_alias(
|
|
*this, id, args.data(), ret, nargs, nargs, 0, 0, RET_NULL
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
free_args(args.data(), nargs, 0);
|
|
--rundepth;
|
|
}
|
|
|
|
ostd::String CsState::run_str(Bytecode const *code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
ostd::String s = ret.get_str();
|
|
ret.cleanup();
|
|
return s;
|
|
}
|
|
|
|
ostd::String CsState::run_str(ostd::ConstCharRange code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
ostd::String s = ret.get_str();
|
|
ret.cleanup();
|
|
return s;
|
|
}
|
|
|
|
ostd::String CsState::run_str(Ident *id, TvalRange args) {
|
|
TaggedValue ret;
|
|
run_ret(id, args, ret);
|
|
ostd::String s = ret.get_str();
|
|
ret.cleanup();
|
|
return s;
|
|
}
|
|
|
|
CsInt CsState::run_int(Bytecode const *code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
CsInt i = ret.get_int();
|
|
ret.cleanup();
|
|
return i;
|
|
}
|
|
|
|
CsInt CsState::run_int(ostd::ConstCharRange code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
CsInt i = ret.get_int();
|
|
ret.cleanup();
|
|
return i;
|
|
}
|
|
|
|
CsInt CsState::run_int(Ident *id, TvalRange args) {
|
|
TaggedValue ret;
|
|
run_ret(id, args, ret);
|
|
CsInt i = ret.get_int();
|
|
ret.cleanup();
|
|
return i;
|
|
}
|
|
|
|
CsFloat CsState::run_float(Bytecode const *code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
CsFloat f = ret.get_float();
|
|
ret.cleanup();
|
|
return f;
|
|
}
|
|
|
|
CsFloat CsState::run_float(ostd::ConstCharRange code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
CsFloat f = ret.get_float();
|
|
ret.cleanup();
|
|
return f;
|
|
}
|
|
|
|
CsFloat CsState::run_float(Ident *id, TvalRange args) {
|
|
TaggedValue ret;
|
|
run_ret(id, args, ret);
|
|
CsFloat f = ret.get_float();
|
|
ret.cleanup();
|
|
return f;
|
|
}
|
|
|
|
bool CsState::run_bool(Bytecode const *code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
bool b = ret.get_bool();
|
|
ret.cleanup();
|
|
return b;
|
|
}
|
|
|
|
bool CsState::run_bool(ostd::ConstCharRange code) {
|
|
TaggedValue ret;
|
|
run_ret(code, ret);
|
|
bool b = ret.get_bool();
|
|
ret.cleanup();
|
|
return b;
|
|
}
|
|
|
|
bool CsState::run_bool(Ident *id, TvalRange args) {
|
|
TaggedValue ret;
|
|
run_ret(id, args, ret);
|
|
bool b = ret.get_bool();
|
|
ret.cleanup();
|
|
return b;
|
|
}
|
|
|
|
bool CsState::run_file(ostd::ConstCharRange fname) {
|
|
ostd::ConstCharRange oldsrcfile = src_file, oldsrcstr = src_str;
|
|
ostd::Box<char[]> buf;
|
|
ostd::Size len;
|
|
|
|
ostd::FileStream f(fname, ostd::StreamMode::read);
|
|
if (!f.is_open()) {
|
|
return false;
|
|
}
|
|
|
|
len = f.size();
|
|
buf = ostd::make_box<char[]>(len + 1);
|
|
if (!buf || f.get(buf.get(), len) != len) {
|
|
return false;
|
|
}
|
|
buf[len] = '\0';
|
|
|
|
src_file = fname;
|
|
src_str = ostd::ConstCharRange(buf.get(), len);
|
|
run_int(src_str);
|
|
src_file = oldsrcfile;
|
|
src_str = oldsrcstr;
|
|
return true;
|
|
}
|
|
|
|
} /* namespace cscript */
|