138 lines
3.3 KiB
C
138 lines
3.3 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 "mdq.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 "advancewindow.h"
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#include "cmd.h"
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error_def(ERR_ALIASEXPECTED);
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error_def(ERR_NOALIASLIST);
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error_def(ERR_RPARENMISSING);
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error_def(ERR_VAREXPECTED);
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int m_kill(void)
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{
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boolean_t alias_processing;
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int count;
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mvar *mvarptr;
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oprtype tmparg;
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triple *next, *org, *ref, *s;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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if (alias_processing = (TK_ASTERISK == TREF(window_token))) /* NOTE assignment */
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advancewindow();
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switch (TREF(window_token))
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{
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case TK_IDENT:
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/* If doing alias processing, we need to pass the index of the var rather than its lv_val
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but do the common case first. Note that a kill of an alias container is handled the same
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as the kill of any other regular local variable.
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*/
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if (!alias_processing || (TK_LPAREN == TREF(director_token)))
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{
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if (!lvn(&tmparg,OC_SRCHINDX,0))
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return FALSE;
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ref = newtriple(OC_KILL);
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ref->operand[0] = tmparg;
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} else
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{ /* alias (unsubscripted var) kill */
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ref = newtriple(OC_KILLALIAS);
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mvarptr = get_mvaddr(&(TREF(window_ident)));
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ref->operand[0] = put_ilit(mvarptr->mvidx);
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advancewindow();
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}
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break;
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case TK_CIRCUMFLEX:
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if (alias_processing)
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{
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stx_error(ERR_ALIASEXPECTED);
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return FALSE;
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}
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if (!gvn())
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return FALSE;
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ref = newtriple(OC_GVKILL);
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break;
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case TK_ATSIGN:
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if (alias_processing)
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{
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stx_error(ERR_ALIASEXPECTED);
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return FALSE;
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}
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if (!indirection(&tmparg))
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return FALSE;
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ref = maketriple(OC_COMMARG);
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ref->operand[0] = tmparg;
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ref->operand[1] = put_ilit((mint)indir_kill);
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ins_triple(ref);
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return TRUE;
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case TK_EOL:
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case TK_SPACE:
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newtriple(alias_processing ? OC_KILLALIASALL : OC_KILLALL);
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break;
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case TK_LPAREN:
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if (alias_processing)
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{
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stx_error(ERR_NOALIASLIST);
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return FALSE;
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}
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ref = org = maketriple(OC_XKILL);
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count = 0;
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do
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{
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advancewindow();
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next = maketriple(OC_PARAMETER);
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ref->operand[1] = put_tref(next);
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switch (TREF(window_token))
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{
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case TK_IDENT:
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next->operand[0] = put_str((TREF(window_ident)).addr, (TREF(window_ident)).len);
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advancewindow();
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break;
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case TK_ATSIGN:
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if (!indirection(&tmparg))
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return FALSE;
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s = newtriple(OC_INDLVARG);
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s->operand[0] = tmparg;
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next->operand[0] = put_tref(s);
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break;
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case TK_ASTERISK:
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stx_error(ERR_NOALIASLIST);
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return FALSE;
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default:
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stx_error(ERR_VAREXPECTED);
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return FALSE;
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}
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ins_triple(next);
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ref = next;
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count++;
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} while (TK_COMMA == TREF(window_token));
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if (TK_RPAREN != TREF(window_token))
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{
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stx_error(ERR_RPARENMISSING);
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return FALSE;
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}
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advancewindow();
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org->operand[0] = put_ilit((mint)count);
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ins_triple(org);
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return TRUE;
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default:
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stx_error(alias_processing ? ERR_ALIASEXPECTED : ERR_VAREXPECTED);
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return FALSE;
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}
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return TRUE;
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}
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