110 lines
2.6 KiB
C
110 lines
2.6 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 "gtm_string.h"
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#include "compiler.h"
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#include "opcode.h"
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#include "toktyp.h"
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#include "subscript.h"
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#include "advancewindow.h"
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error_def(ERR_COMMA);
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error_def(ERR_EXTGBLDEL);
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error_def(ERR_LKNAMEXPECTED);
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error_def(ERR_MAXNRSUBSCRIPTS);
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int lkglvn(boolean_t gblvn)
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{
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boolean_t vbar;
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char *lknam, lkname_buf[MAX_MIDENT_LEN + 1], x;
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opctype ox;
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oprtype *sb1, *sb2, subscripts[MAX_LVSUBSCRIPTS];
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triple *ref, *t1;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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ox = OC_LKNAME;
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sb1 = sb2 = subscripts;
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lknam = lkname_buf;
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if (gblvn)
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*lknam++ = '^';
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if ((TK_LBRACKET == TREF(window_token)) || (TK_VBAR == TREF(window_token)))
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{
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vbar = (TK_VBAR == TREF(window_token));
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advancewindow();
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if (EXPR_FAIL == (vbar ? expr(sb1++, MUMPS_EXPR) : expratom(sb1++)))
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return FALSE;
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if (TK_COMMA == TREF(window_token))
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{
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advancewindow();
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if (EXPR_FAIL == (vbar ? expr(sb1++, MUMPS_EXPR) : expratom(sb1++)))
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return FALSE;
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} else
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*sb1++ = put_str(0, 0);
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if ((!vbar && (TK_RBRACKET != TREF(window_token))) || (vbar && (TK_VBAR != TREF(window_token))))
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{
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stx_error(ERR_EXTGBLDEL);
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return FALSE;
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}
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advancewindow();
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ox = OC_LKEXTNAME;
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} else
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*sb1++ = put_ilit(0);
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if (TK_IDENT != TREF(window_token))
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{
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stx_error(ERR_LKNAMEXPECTED);
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return FALSE;
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}
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assert(MAX_MIDENT_LEN >= (TREF(window_ident)).len);
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memcpy(lknam, (TREF(window_ident)).addr, (TREF(window_ident)).len);
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lknam += (TREF(window_ident)).len;
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*sb1++ = put_str(lkname_buf,(mstr_len_t)(lknam - lkname_buf));
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advancewindow();
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if (TK_LPAREN == TREF(window_token))
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{
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for (;;)
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{
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if (ARRAYTOP(subscripts) <= sb1)
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{
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stx_error(ERR_MAXNRSUBSCRIPTS);
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return FALSE;
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}
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advancewindow();
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if (EXPR_FAIL == expr(sb1, MUMPS_EXPR))
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return FALSE;
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sb1++;
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if (TK_RPAREN == (x = TREF(window_token))) /* NOTE assignment */
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{
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advancewindow();
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break;
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}
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if (TK_COMMA != x)
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{
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stx_error(ERR_COMMA);
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return FALSE;
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}
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}
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}
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ref = newtriple(ox);
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ref->operand[0] = put_ilit((mint)(sb1 - sb2));
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for ( ; sb2 < sb1 ; sb2++)
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{
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t1 = newtriple(OC_PARAMETER);
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ref->operand[1] = put_tref(t1);
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ref = t1;
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ref->operand[0] = *sb2;
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}
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return TRUE;
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}
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