libcubescript/cs_private.hh

76 lines
2.1 KiB
C++

#ifndef CS_PRIVATE_HH
#define CS_PRIVATE_HH
#include "cubescript.hh"
namespace cscript {
static constexpr int MaxArguments = 25;
static constexpr int MaxResults = 7;
static constexpr int MaxComargs = 12;
enum {
CODE_START = 0,
CODE_OFFSET,
CODE_NULL, CODE_TRUE, CODE_FALSE, CODE_NOT,
CODE_POP,
CODE_ENTER, CODE_ENTER_RESULT,
CODE_EXIT, CODE_RESULT_ARG,
CODE_VAL, CODE_VALI,
CODE_DUP,
CODE_MACRO,
CODE_BOOL,
CODE_BLOCK, CODE_EMPTY,
CODE_COMPILE, CODE_COND,
CODE_FORCE,
CODE_RESULT,
CODE_IDENT, CODE_IDENTU, CODE_IDENTARG,
CODE_COM, CODE_COMD, CODE_COMC, CODE_COMV,
CODE_CONC, CODE_CONCW, CODE_CONCM, CODE_DOWN,
CODE_SVAR, CODE_SVARM, CODE_SVAR1,
CODE_IVAR, CODE_IVAR1, CODE_IVAR2, CODE_IVAR3,
CODE_FVAR, CODE_FVAR1,
CODE_LOOKUP, CODE_LOOKUPU, CODE_LOOKUPARG,
CODE_LOOKUPM, CODE_LOOKUPMU, CODE_LOOKUPMARG,
CODE_ALIAS, CODE_ALIASU, CODE_ALIASARG,
CODE_CALL, CODE_CALLU, CODE_CALLARG,
CODE_PRINT,
CODE_LOCAL,
CODE_DO, CODE_DOARGS,
CODE_JUMP, CODE_JUMP_TRUE, CODE_JUMP_FALSE,
CODE_JUMP_RESULT_TRUE, CODE_JUMP_RESULT_FALSE,
CODE_OP_MASK = 0x3F,
CODE_RET = 6,
CODE_RET_MASK = 0xC0,
/* return type flags */
RET_NULL = VAL_NULL << CODE_RET,
RET_STR = VAL_STR << CODE_RET,
RET_INT = VAL_INT << CODE_RET,
RET_FLOAT = VAL_FLOAT << CODE_RET,
};
template<typename F>
static void cs_do_args(CsState &cs, F body) {
IdentStack argstack[MaxArguments];
int argmask1 = cs.stack->usedargs;
for (int i = 0; argmask1; argmask1 >>= 1, ++i) if(argmask1 & 1)
cs.identmap[i]->undo_arg(argstack[i]);
IdentLink *prevstack = cs.stack->next;
IdentLink aliaslink = {
cs.stack->id, cs.stack, prevstack->usedargs, prevstack->argstack
};
cs.stack = &aliaslink;
body();
prevstack->usedargs = aliaslink.usedargs;
cs.stack = aliaslink.next;
int argmask2 = cs.stack->usedargs;
for(int i = 0; argmask2; argmask2 >>= 1, ++i) if(argmask2 & 1)
cs.identmap[i]->redo_arg(argstack[i]);
}
} /*namespace cscript */
#endif