120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
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/****************************************************************
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* *
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* Copyright 2004, 2011 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "toktyp.h"
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#include "compiler.h"
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#include "opcode.h"
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#include "indir_enum.h"
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#include "mdq.h"
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#include "cache.h"
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#include "hashtab_objcode.h"
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#include "op.h"
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#include "mvalconv.h" /* for i2mval prototype for the MV_FORCE_MVAL macro */
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GBLREF char window_token;
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GBLREF mval **ind_source_sp, **ind_source_top;
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GBLREF mval **ind_result_sp, **ind_result_top;
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LITREF mval literal_null;
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void op_indincr(mval *dst, mval *increment, mval *target)
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{
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bool rval;
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mstr object, *obj;
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oprtype v;
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triple *s, *src, *oldchain, tmpchain, *triptr;
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icode_str indir_src;
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error_def(ERR_INDMAXNEST);
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error_def(ERR_VAREXPECTED);
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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MV_FORCE_STR(target);
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indir_src.str = target->str;
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indir_src.code = indir_increment;
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if (NULL == (obj = cache_get(&indir_src)))
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{
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comp_init(&target->str);
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src = newtriple(OC_IGETSRC);
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switch (window_token)
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{
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case TK_IDENT:
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if (rval = lvn(&v, OC_PUTINDX, 0))
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{
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s = newtriple(OC_FNINCR);
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s->operand[0] = v;
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s->operand[1] = put_tref(src);
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}
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break;
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case TK_CIRCUMFLEX:
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if (rval = gvn())
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{
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s = newtriple(OC_GVINCR);
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/* dummy fill below since emit_code does not like empty operand[0] */
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s->operand[0] = put_ilit(0);
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s->operand[1] = put_tref(src);
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}
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break;
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case TK_ATSIGN:
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if (TREF(shift_side_effects))
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{
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dqinit(&tmpchain, exorder);
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oldchain = setcurtchain(&tmpchain);
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if (rval = indirection(&v))
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{
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s = newtriple(OC_INDINCR);
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s->operand[0] = v;
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s->operand[1] = put_tref(src);
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newtriple(OC_GVSAVTARG);
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setcurtchain(oldchain);
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dqadd(TREF(expr_start), &tmpchain, exorder);
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TREF(expr_start) = tmpchain.exorder.bl;
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triptr = newtriple(OC_GVRECTARG);
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triptr->operand[0] = put_tref(TREF(expr_start));
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} else
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setcurtchain(oldchain);
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} else
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{
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if (rval = indirection(&v))
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{
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s = newtriple(OC_INDINCR);
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s->operand[0] = v;
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s->operand[1] = put_tref(src);
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}
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}
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break;
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default:
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stx_error(ERR_VAREXPECTED);
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break;
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}
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v = put_tref(s);
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if (comp_fini(rval, &object, OC_IRETMVAL, &v, target->str.len))
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{
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indir_src.str.addr = target->str.addr;
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cache_put(&indir_src, &object);
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if (ind_source_sp + 1 >= ind_source_top || ind_result_sp + 1 >= ind_result_top)
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rts_error(VARLSTCNT(1) ERR_INDMAXNEST);
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*ind_result_sp++ = dst;
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*ind_source_sp++ = increment;
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comp_indr(&object);
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}
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} else
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{
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if (ind_source_sp + 1 >= ind_source_top || ind_result_sp + 1 >= ind_result_top)
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rts_error(VARLSTCNT(1) ERR_INDMAXNEST);
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*ind_result_sp++ = dst;
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*ind_source_sp++ = increment;
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comp_indr(obj);
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}
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}
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