121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2009 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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GBLREF char window_token;
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GBLREF mident window_ident;
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int lkglvn(bool gblvn)
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{
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triple *ref, *t1;
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char x, lkname_buf[MAX_MIDENT_LEN + 1], *lknam;
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oprtype subscripts[MAX_LVSUBSCRIPTS], *sb1, *sb2;
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opctype ox;
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bool vbar, parse_status;
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error_def(ERR_COMMA);
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error_def(ERR_EXTGBLDEL);
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error_def(ERR_MAXNRSUBSCRIPTS);
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error_def(ERR_LKNAMEXPECTED);
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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 == window_token) || (TK_VBAR == window_token))
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{
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vbar = (TK_VBAR == window_token);
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advancewindow();
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if (vbar)
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parse_status = expr(sb1++);
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else
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parse_status = expratom(sb1++);
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if (!parse_status)
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return FALSE;
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if (window_token == TK_COMMA)
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{
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advancewindow();
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if (vbar)
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parse_status = expr(sb1++);
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else
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parse_status = expratom(sb1++);
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if (!parse_status)
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{
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return FALSE;
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}
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} else
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*sb1++ = put_str(0,0);
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if ((!vbar && (TK_RBRACKET != window_token)) || (vbar && (TK_VBAR != 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 (window_token != TK_IDENT)
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{ stx_error(ERR_LKNAMEXPECTED);
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return FALSE;
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}
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assert(window_ident.len <= MAX_MIDENT_LEN);
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memcpy(lknam, window_ident.addr, window_ident.len);
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lknam += 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 (window_token == TK_LPAREN)
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{
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for (;;)
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{
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if (sb1 >= ARRAYTOP(subscripts))
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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(sb1))
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return FALSE;
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sb1++;
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if ((x = window_token) == TK_RPAREN)
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{
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advancewindow();
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break;
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}
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if (x != TK_COMMA)
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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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