97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 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 "compiler.h"
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#include "opcode.h"
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#include "indir_enum.h"
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#include "toktyp.h"
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#include "mlkdef.h"
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#include "zshow.h"
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#include "cache.h"
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#include "op.h"
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error_def(ERR_VAREXPECTED);
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error_def(ERR_INDMAXNEST);
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void op_indrzshow(mval *s1, mval *s2)
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{
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icode_str indir_src;
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int rval;
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mstr *obj, object;
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oprtype v;
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triple *lvar, *outtype, *r, *src;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if (TREF(ind_source_sp) >= TREF(ind_source_top))
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rts_error(VARLSTCNT(1) ERR_INDMAXNEST); /* mdbcondition_handler resets ind_source_sp */
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MV_FORCE_STR(s2);
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indir_src.str = s2->str;
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indir_src.code = indir_zshow;
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if (NULL == (obj = cache_get(&indir_src)))
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{
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obj = &object;
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comp_init(&s2->str);
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src = maketriple(OC_IGETSRC);
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ins_triple(src);
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switch(TREF(window_token))
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{
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case TK_CIRCUMFLEX:
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if (EXPR_FAIL != (rval = gvn())) /* NOTE assignment */
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{
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r = maketriple(OC_ZSHOW);
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outtype = newtriple(OC_PARAMETER);
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r->operand[1] = put_tref(outtype);
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r->operand[0] = put_tref(src);
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outtype->operand[0] = put_ilit(ZSHOW_GLOBAL);
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ins_triple(r);
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}
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break;
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case TK_IDENT:
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if (EXPR_FAIL != (rval = lvn(&v, OC_PUTINDX, 0))) /* NOTE assignment */
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{
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r = maketriple(OC_ZSHOWLOC);
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outtype = newtriple(OC_PARAMETER);
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r->operand[1] = put_tref(outtype);
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r->operand[0] = put_tref(src);
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lvar = newtriple(OC_PARAMETER);
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outtype->operand[1] = put_tref(lvar);
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lvar->operand[0] = v;
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outtype->operand[0] = put_ilit(ZSHOW_LOCAL);
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ins_triple(r);
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}
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break;
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case TK_ATSIGN:
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if (EXPR_FAIL != (rval = indirection(&v))) /* NOTE assignment */
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{
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r = newtriple(OC_INDRZSHOW);
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r->operand[0] = put_tref(src);
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r->operand[1] = v;
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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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rval = EXPR_FAIL;
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break;
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}
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if (EXPR_FAIL == comp_fini(rval, obj, OC_RET, 0, s2->str.len))
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return;
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indir_src.str = s2->str;
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indir_src.code = indir_zshow;
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cache_put(&indir_src, obj);
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/* Fall into code activation below */
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}
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*(TREF(ind_source_sp))++ = s1; /* Where to store return value */
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comp_indr(obj);
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return;
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}
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