100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/****************************************************************
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* *
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* Copyright 2010 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 "stringpool.h"
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#include "gtm_iconv.h"
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#include "io.h"
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#include "iosp.h"
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#ifdef __MVS__
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#include "gtm_unistd.h"
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#endif
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#include "advancewindow.h"
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GBLREF char window_token;
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GBLREF spdesc stringpool;
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int f_zchar(oprtype *a, opctype op)
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{
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triple *root, *last, *curr;
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oprtype argv[CHARMAXARGS], *argp;
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mval v;
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boolean_t all_lits;
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char *c;
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int argc, i;
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unsigned char *tmp_ptr;
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unsigned int tmp_len;
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error_def(ERR_FCHARMAXARGS);
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error_def(ERR_TEXT);
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all_lits = TRUE;
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argp = &argv[0];
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argc = 0;
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for (;;)
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{
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if (!intexpr(argp))
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return FALSE;
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assert(argp->oprclass == TRIP_REF);
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if (argp->oprval.tref->opcode != OC_ILIT)
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all_lits = FALSE;
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argc++;
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argp++;
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if (window_token != TK_COMMA)
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break;
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advancewindow();
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if (argc >= CHARMAXARGS)
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{
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stx_error(ERR_FCHARMAXARGS);
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return FALSE;
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}
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}
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if (all_lits)
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{
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ENSURE_STP_FREE_SPACE(argc + 1);
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v.mvtype = MV_STR;
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v.str.addr = c = (char *)stringpool.free;
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argp = &argv[0];
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for (; argc > 0 ;argc--, argp++)
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{
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i = argp->oprval.tref->operand[0].oprval.ilit;
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if ((i >= 0) && (i < 256)) /* only true for single byte character set */
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*c++ = i;
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}
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*c = '\0';
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v.str.len = INTCAST(c - v.str.addr);
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stringpool.free = (unsigned char *)c;
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s2n(&v);
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*a = put_lit(&v);
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return TRUE;
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}
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root = maketriple(op);
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root->operand[0] = put_ilit(argc + 1);
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last = root;
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argp = &argv[0];
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for (; argc > 0; argc--, argp++)
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{
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curr = newtriple(OC_PARAMETER);
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curr->operand[0] = *argp;
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last->operand[1] = put_tref(curr);
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last = curr;
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}
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ins_triple(root);
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*a = put_tref(root);
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return TRUE;
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}
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