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These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
901 lines
22 KiB
C
901 lines
22 KiB
C
/* stt.c -- Implementation File (module.c template V1.0)
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Copyright (C) 1995, 1997 Free Software Foundation, Inc.
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Contributed by James Craig Burley.
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This file is part of GNU Fortran.
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GNU Fortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Fortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Fortran; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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Related Modules:
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None
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Description:
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Manages lists of tokens and related info for parsing.
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Modifications:
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*/
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/* Include files. */
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#include "proj.h"
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#include "stt.h"
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#include "bld.h"
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#include "expr.h"
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#include "info.h"
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#include "lex.h"
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#include "malloc.h"
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#include "sta.h"
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#include "stp.h"
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/* Externals defined here. */
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/* Simple definitions and enumerations. */
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/* Internal typedefs. */
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/* Private include files. */
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/* Internal structure definitions. */
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/* Static objects accessed by functions in this module. */
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/* Static functions (internal). */
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/* Internal macros. */
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/* ffestt_caselist_append -- Append case to list of cases
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ffesttCaseList list;
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ffelexToken t;
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ffestt_caselist_append(list,range,case1,case2,t);
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list must have already been created by ffestt_caselist_create. The
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list is allocated out of the scratch pool. The token is consumed. */
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void
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ffestt_caselist_append (ffesttCaseList list, bool range, ffebld case1,
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ffebld case2, ffelexToken t)
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{
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ffesttCaseList new;
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new = (ffesttCaseList) malloc_new_kp (ffesta_scratch_pool,
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"FFEST case list", sizeof (*new));
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new->next = list->previous->next;
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new->previous = list->previous;
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new->next->previous = new;
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new->previous->next = new;
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new->expr1 = case1;
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new->expr2 = case2;
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new->range = range;
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new->t = t;
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}
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/* ffestt_caselist_create -- Create new list of cases
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ffesttCaseList list;
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list = ffestt_caselist_create();
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The list is allocated out of the scratch pool. */
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ffesttCaseList
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ffestt_caselist_create ()
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{
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ffesttCaseList new;
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new = (ffesttCaseList) malloc_new_kp (ffesta_scratch_pool,
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"FFEST case list root",
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sizeof (*new));
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new->next = new->previous = new;
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new->t = NULL;
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new->expr1 = NULL;
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new->expr2 = NULL;
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new->range = FALSE;
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return new;
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}
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/* ffestt_caselist_kill -- Kill list of cases
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ffesttCaseList list;
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ffestt_caselist_kill(list);
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The tokens on the list are killed.
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02-Mar-90 JCB 1.1
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Don't kill the list itself or change it, since it will be trashed when
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ffesta_scratch_pool is killed anyway, so kill only the lex tokens. */
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void
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ffestt_caselist_kill (ffesttCaseList list)
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{
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ffesttCaseList next;
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for (next = list->next; next != list; next = next->next)
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{
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ffelex_token_kill (next->t);
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}
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}
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/* ffestt_dimlist_append -- Append dim to list of dims
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ffesttDimList list;
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ffelexToken t;
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ffestt_dimlist_append(list,lower,upper,t);
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list must have already been created by ffestt_dimlist_create. The
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list is allocated out of the scratch pool. The token is consumed. */
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void
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ffestt_dimlist_append (ffesttDimList list, ffebld lower, ffebld upper,
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ffelexToken t)
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{
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ffesttDimList new;
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new = (ffesttDimList) malloc_new_kp (ffesta_scratch_pool,
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"FFEST dim list", sizeof (*new));
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new->next = list->previous->next;
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new->previous = list->previous;
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new->next->previous = new;
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new->previous->next = new;
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new->lower = lower;
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new->upper = upper;
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new->t = t;
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}
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/* Convert list of dims into ffebld format.
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ffesttDimList list;
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ffeinfoRank rank;
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ffebld array_size;
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ffebld extents;
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ffestt_dimlist_as_expr (list, &rank, &array_size, &extents);
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The dims in the list are converted to a list of ITEMs; the rank of the
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array, an expression representing the array size, a list of extent
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expressions, and the list of ITEMs are returned.
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If is_ugly_assumed, treat a final dimension with no lower bound
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and an upper bound of 1 as a * bound. */
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ffebld
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ffestt_dimlist_as_expr (ffesttDimList list, ffeinfoRank *rank,
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ffebld *array_size, ffebld *extents,
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bool is_ugly_assumed)
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{
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ffesttDimList next;
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ffebld expr;
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ffebld as;
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ffebld ex; /* List of extents. */
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ffebld ext; /* Extent of a given dimension. */
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ffebldListBottom bottom;
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ffeinfoRank r;
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ffeinfoKindtype nkt;
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ffetargetIntegerDefault low;
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ffetargetIntegerDefault high;
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bool zero = FALSE; /* Zero-size array. */
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bool any = FALSE;
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bool star = FALSE; /* Adjustable array. */
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assert (list != NULL);
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r = 0;
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ffebld_init_list (&expr, &bottom);
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for (next = list->next; next != list; next = next->next)
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{
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++r;
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if (((next->lower == NULL)
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|| (ffebld_op (next->lower) == FFEBLD_opCONTER))
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&& (ffebld_op (next->upper) == FFEBLD_opCONTER))
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{
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if (next->lower == NULL)
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low = 1;
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else
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low = ffebld_constant_integerdefault (ffebld_conter (next->lower));
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high = ffebld_constant_integerdefault (ffebld_conter (next->upper));
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if (low
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> high)
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zero = TRUE;
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if ((next->next == list)
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&& is_ugly_assumed
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&& (next->lower == NULL)
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&& (high == 1)
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&& (ffebld_conter_orig (next->upper) == NULL))
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{
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star = TRUE;
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ffebld_append_item (&bottom,
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ffebld_new_bounds (NULL, ffebld_new_star ()));
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continue;
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}
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}
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else if (((next->lower != NULL)
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&& (ffebld_op (next->lower) == FFEBLD_opANY))
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|| (ffebld_op (next->upper) == FFEBLD_opANY))
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any = TRUE;
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else if (ffebld_op (next->upper) == FFEBLD_opSTAR)
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star = TRUE;
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ffebld_append_item (&bottom,
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ffebld_new_bounds (next->lower, next->upper));
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}
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ffebld_end_list (&bottom);
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if (zero)
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{
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as = ffebld_new_conter (ffebld_constant_new_integerdefault_val (0));
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ffebld_set_info (as, ffeinfo_new
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(FFEINFO_basictypeINTEGER,
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FFEINFO_kindtypeINTEGERDEFAULT,
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0,
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FFEINFO_kindENTITY,
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FFEINFO_whereCONSTANT,
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FFETARGET_charactersizeNONE));
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ex = NULL;
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}
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else if (any)
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{
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as = ffebld_new_any ();
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ffebld_set_info (as, ffeinfo_new_any ());
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ex = ffebld_copy (as);
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}
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else if (star)
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{
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as = ffebld_new_star ();
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ex = ffebld_new_star (); /* ~~Should really be list as below. */
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}
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else
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{
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as = NULL;
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ffebld_init_list (&ex, &bottom);
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for (next = list->next; next != list; next = next->next)
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{
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if ((next->lower == NULL)
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|| ((ffebld_op (next->lower) == FFEBLD_opCONTER)
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&& (ffebld_constant_integerdefault (ffebld_conter
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(next->lower)) == 1)))
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ext = ffebld_copy (next->upper);
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else
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{
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ext = ffebld_new_subtract (next->upper, next->lower);
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nkt
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= ffeinfo_kindtype_max (FFEINFO_basictypeINTEGER,
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ffeinfo_kindtype (ffebld_info
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(next->lower)),
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ffeinfo_kindtype (ffebld_info
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(next->upper)));
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ffebld_set_info (ext,
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ffeinfo_new (FFEINFO_basictypeINTEGER,
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nkt,
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0,
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FFEINFO_kindENTITY,
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((ffebld_op (ffebld_left (ext))
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== FFEBLD_opCONTER)
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&& (ffebld_op (ffebld_right
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(ext))
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== FFEBLD_opCONTER))
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? FFEINFO_whereCONSTANT
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: FFEINFO_whereFLEETING,
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FFETARGET_charactersizeNONE));
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ffebld_set_left (ext,
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ffeexpr_convert_expr (ffebld_left (ext),
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next->t, ext, next->t,
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FFEEXPR_contextLET));
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ffebld_set_right (ext,
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ffeexpr_convert_expr (ffebld_right (ext),
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next->t, ext,
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next->t,
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FFEEXPR_contextLET));
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ext = ffeexpr_collapse_subtract (ext, next->t);
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nkt
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= ffeinfo_kindtype_max (FFEINFO_basictypeINTEGER,
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ffeinfo_kindtype (ffebld_info (ext)),
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FFEINFO_kindtypeINTEGERDEFAULT);
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ext
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= ffebld_new_add (ext,
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ffebld_new_conter
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(ffebld_constant_new_integerdefault_val
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(1)));
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ffebld_set_info (ffebld_right (ext), ffeinfo_new
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(FFEINFO_basictypeINTEGER,
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FFEINFO_kindtypeINTEGERDEFAULT,
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0,
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FFEINFO_kindENTITY,
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FFEINFO_whereCONSTANT,
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FFETARGET_charactersizeNONE));
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ffebld_set_info (ext,
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ffeinfo_new (FFEINFO_basictypeINTEGER,
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nkt, 0, FFEINFO_kindENTITY,
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(ffebld_op (ffebld_left (ext))
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== FFEBLD_opCONTER)
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? FFEINFO_whereCONSTANT
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: FFEINFO_whereFLEETING,
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FFETARGET_charactersizeNONE));
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ffebld_set_left (ext,
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ffeexpr_convert_expr (ffebld_left (ext),
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next->t, ext,
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next->t,
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FFEEXPR_contextLET));
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ffebld_set_right (ext,
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ffeexpr_convert_expr (ffebld_right (ext),
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next->t, ext,
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next->t,
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FFEEXPR_contextLET));
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ext = ffeexpr_collapse_add (ext, next->t);
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}
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ffebld_append_item (&bottom, ext);
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if (as == NULL)
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as = ext;
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else
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{
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nkt
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= ffeinfo_kindtype_max (FFEINFO_basictypeINTEGER,
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ffeinfo_kindtype (ffebld_info (as)),
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ffeinfo_kindtype (ffebld_info (ext)));
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as = ffebld_new_multiply (as, ext);
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ffebld_set_info (as,
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ffeinfo_new (FFEINFO_basictypeINTEGER,
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nkt, 0, FFEINFO_kindENTITY,
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((ffebld_op (ffebld_left (as))
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== FFEBLD_opCONTER)
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&& (ffebld_op (ffebld_right
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(as))
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== FFEBLD_opCONTER))
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? FFEINFO_whereCONSTANT
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: FFEINFO_whereFLEETING,
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FFETARGET_charactersizeNONE));
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ffebld_set_left (as,
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ffeexpr_convert_expr (ffebld_left (as),
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next->t, as, next->t,
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FFEEXPR_contextLET));
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ffebld_set_right (as,
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ffeexpr_convert_expr (ffebld_right (as),
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next->t, as,
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next->t,
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FFEEXPR_contextLET));
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as = ffeexpr_collapse_multiply (as, next->t);
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}
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}
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ffebld_end_list (&bottom);
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as = ffeexpr_convert (as, list->next->t, NULL,
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FFEINFO_basictypeINTEGER,
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FFEINFO_kindtypeINTEGERDEFAULT, 0,
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FFETARGET_charactersizeNONE,
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FFEEXPR_contextLET);
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}
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*rank = r;
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*array_size = as;
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*extents = ex;
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return expr;
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}
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/* ffestt_dimlist_create -- Create new list of dims
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ffesttDimList list;
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list = ffestt_dimlist_create();
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The list is allocated out of the scratch pool. */
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ffesttDimList
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ffestt_dimlist_create ()
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{
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ffesttDimList new;
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new = (ffesttDimList) malloc_new_kp (ffesta_scratch_pool,
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"FFEST dim list root", sizeof (*new));
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new->next = new->previous = new;
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new->t = NULL;
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new->lower = NULL;
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new->upper = NULL;
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return new;
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}
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/* ffestt_dimlist_kill -- Kill list of dims
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ffesttDimList list;
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ffestt_dimlist_kill(list);
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The tokens on the list are killed. */
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void
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ffestt_dimlist_kill (ffesttDimList list)
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{
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ffesttDimList next;
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for (next = list->next; next != list; next = next->next)
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{
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ffelex_token_kill (next->t);
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}
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}
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/* Determine type of list of dimensions.
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Return KNOWN for all-constant bounds, ADJUSTABLE for constant
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and variable but no * bounds, ASSUMED for constant and * but
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not variable bounds, ADJUSTABLEASSUMED for constant and variable
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and * bounds.
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If is_ugly_assumed, treat a final dimension with no lower bound
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and an upper bound of 1 as a * bound. */
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ffestpDimtype
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ffestt_dimlist_type (ffesttDimList list, bool is_ugly_assumed)
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{
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ffesttDimList next;
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ffestpDimtype type;
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if (list == NULL)
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return FFESTP_dimtypeNONE;
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type = FFESTP_dimtypeKNOWN;
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for (next = list->next; next != list; next = next->next)
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{
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bool ugly_assumed = FALSE;
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if ((next->next == list)
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&& is_ugly_assumed
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&& (next->lower == NULL)
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&& (next->upper != NULL)
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&& (ffebld_op (next->upper) == FFEBLD_opCONTER)
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&& (ffebld_constant_integerdefault (ffebld_conter (next->upper))
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== 1)
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&& (ffebld_conter_orig (next->upper) == NULL))
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ugly_assumed = TRUE;
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if (next->lower != NULL)
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{
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if (ffebld_op (next->lower) != FFEBLD_opCONTER)
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{
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if (type == FFESTP_dimtypeASSUMED)
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type = FFESTP_dimtypeADJUSTABLEASSUMED;
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else
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type = FFESTP_dimtypeADJUSTABLE;
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}
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}
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if (next->upper != NULL)
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{
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if (ugly_assumed
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|| (ffebld_op (next->upper) == FFEBLD_opSTAR))
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{
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if (type == FFESTP_dimtypeADJUSTABLE)
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type = FFESTP_dimtypeADJUSTABLEASSUMED;
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else
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type = FFESTP_dimtypeASSUMED;
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}
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else if (ffebld_op (next->upper) != FFEBLD_opCONTER)
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type = FFESTP_dimtypeADJUSTABLE;
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}
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}
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return type;
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}
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/* ffestt_exprlist_append -- Append expr to list of exprs
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ffesttExprList list;
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ffelexToken t;
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ffestt_exprlist_append(list,expr,t);
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list must have already been created by ffestt_exprlist_create. The
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list is allocated out of the scratch pool. The token is consumed. */
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void
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ffestt_exprlist_append (ffesttExprList list, ffebld expr, ffelexToken t)
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{
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ffesttExprList new;
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new = (ffesttExprList) malloc_new_kp (ffesta_scratch_pool,
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"FFEST expr list", sizeof (*new));
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new->next = list->previous->next;
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new->previous = list->previous;
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new->next->previous = new;
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new->previous->next = new;
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new->expr = expr;
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new->t = t;
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}
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/* ffestt_exprlist_create -- Create new list of exprs
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ffesttExprList list;
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list = ffestt_exprlist_create();
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The list is allocated out of the scratch pool. */
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ffesttExprList
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ffestt_exprlist_create ()
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{
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ffesttExprList new;
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||
new = (ffesttExprList) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST expr list root", sizeof (*new));
|
||
new->next = new->previous = new;
|
||
new->expr = NULL;
|
||
new->t = NULL;
|
||
return new;
|
||
}
|
||
|
||
/* ffestt_exprlist_drive -- Drive list of token pairs into function
|
||
|
||
ffesttExprList list;
|
||
void fn(ffebld expr,ffelexToken t);
|
||
ffestt_exprlist_drive(list,fn);
|
||
|
||
The expr/token pairs in the list are passed to the function one pair
|
||
at a time. */
|
||
|
||
void
|
||
ffestt_exprlist_drive (ffesttExprList list, void (*fn) (ffebld, ffelexToken))
|
||
{
|
||
ffesttExprList next;
|
||
|
||
if (list == NULL)
|
||
return;
|
||
|
||
for (next = list->next; next != list; next = next->next)
|
||
{
|
||
(*fn) (next->expr, next->t);
|
||
}
|
||
}
|
||
|
||
/* ffestt_exprlist_kill -- Kill list of exprs
|
||
|
||
ffesttExprList list;
|
||
ffestt_exprlist_kill(list);
|
||
|
||
The tokens on the list are killed.
|
||
|
||
02-Mar-90 JCB 1.1
|
||
Don't kill the list itself or change it, since it will be trashed when
|
||
ffesta_scratch_pool is killed anyway, so kill only the lex tokens. */
|
||
|
||
void
|
||
ffestt_exprlist_kill (ffesttExprList list)
|
||
{
|
||
ffesttExprList next;
|
||
|
||
for (next = list->next; next != list; next = next->next)
|
||
{
|
||
ffelex_token_kill (next->t);
|
||
}
|
||
}
|
||
|
||
/* ffestt_formatlist_append -- Append null format to list of formats
|
||
|
||
ffesttFormatList list, new;
|
||
new = ffestt_formatlist_append(list);
|
||
|
||
list must have already been created by ffestt_formatlist_create. The
|
||
new item is allocated out of the scratch pool. The caller must initialize
|
||
it appropriately. */
|
||
|
||
ffesttFormatList
|
||
ffestt_formatlist_append (ffesttFormatList list)
|
||
{
|
||
ffesttFormatList new;
|
||
|
||
new = (ffesttFormatList) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST format list", sizeof (*new));
|
||
new->next = list->previous->next;
|
||
new->previous = list->previous;
|
||
new->next->previous = new;
|
||
new->previous->next = new;
|
||
return new;
|
||
}
|
||
|
||
/* ffestt_formatlist_create -- Create new list of formats
|
||
|
||
ffesttFormatList list;
|
||
list = ffestt_formatlist_create(NULL);
|
||
|
||
The list is allocated out of the scratch pool. */
|
||
|
||
ffesttFormatList
|
||
ffestt_formatlist_create (ffesttFormatList parent, ffelexToken t)
|
||
{
|
||
ffesttFormatList new;
|
||
|
||
new = (ffesttFormatList) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST format list root", sizeof (*new));
|
||
new->next = new->previous = new;
|
||
new->type = FFESTP_formattypeNone;
|
||
new->t = t;
|
||
new->u.root.parent = parent;
|
||
return new;
|
||
}
|
||
|
||
/* ffestt_formatlist_kill -- Kill tokens on list of formats
|
||
|
||
ffesttFormatList list;
|
||
ffestt_formatlist_kill(list);
|
||
|
||
The tokens on the list are killed. */
|
||
|
||
void
|
||
ffestt_formatlist_kill (ffesttFormatList list)
|
||
{
|
||
ffesttFormatList next;
|
||
|
||
/* Always kill from the very top on down. */
|
||
|
||
while (list->u.root.parent != NULL)
|
||
list = list->u.root.parent->next;
|
||
|
||
/* Kill first token for this list. */
|
||
|
||
if (list->t != NULL)
|
||
ffelex_token_kill (list->t);
|
||
|
||
/* Kill each item in this list. */
|
||
|
||
for (next = list->next; next != list; next = next->next)
|
||
{
|
||
ffelex_token_kill (next->t);
|
||
switch (next->type)
|
||
{
|
||
case FFESTP_formattypeI:
|
||
case FFESTP_formattypeB:
|
||
case FFESTP_formattypeO:
|
||
case FFESTP_formattypeZ:
|
||
case FFESTP_formattypeF:
|
||
case FFESTP_formattypeE:
|
||
case FFESTP_formattypeEN:
|
||
case FFESTP_formattypeG:
|
||
case FFESTP_formattypeL:
|
||
case FFESTP_formattypeA:
|
||
case FFESTP_formattypeD:
|
||
if (next->u.R1005.R1004.t != NULL)
|
||
ffelex_token_kill (next->u.R1005.R1004.t);
|
||
if (next->u.R1005.R1006.t != NULL)
|
||
ffelex_token_kill (next->u.R1005.R1006.t);
|
||
if (next->u.R1005.R1007_or_R1008.t != NULL)
|
||
ffelex_token_kill (next->u.R1005.R1007_or_R1008.t);
|
||
if (next->u.R1005.R1009.t != NULL)
|
||
ffelex_token_kill (next->u.R1005.R1009.t);
|
||
break;
|
||
|
||
case FFESTP_formattypeQ:
|
||
case FFESTP_formattypeDOLLAR:
|
||
case FFESTP_formattypeP:
|
||
case FFESTP_formattypeT:
|
||
case FFESTP_formattypeTL:
|
||
case FFESTP_formattypeTR:
|
||
case FFESTP_formattypeX:
|
||
case FFESTP_formattypeS:
|
||
case FFESTP_formattypeSP:
|
||
case FFESTP_formattypeSS:
|
||
case FFESTP_formattypeBN:
|
||
case FFESTP_formattypeBZ:
|
||
case FFESTP_formattypeSLASH:
|
||
case FFESTP_formattypeCOLON:
|
||
if (next->u.R1010.val.t != NULL)
|
||
ffelex_token_kill (next->u.R1010.val.t);
|
||
break;
|
||
|
||
case FFESTP_formattypeR1016:
|
||
break; /* Nothing more to do. */
|
||
|
||
case FFESTP_formattypeFORMAT:
|
||
if (next->u.R1003D.R1004.t != NULL)
|
||
ffelex_token_kill (next->u.R1003D.R1004.t);
|
||
next->u.R1003D.format->u.root.parent = NULL; /* Parent already dying. */
|
||
ffestt_formatlist_kill (next->u.R1003D.format);
|
||
break;
|
||
|
||
default:
|
||
assert (FALSE);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* ffestt_implist_append -- Append token pair to list of token pairs
|
||
|
||
ffesttImpList list;
|
||
ffelexToken t;
|
||
ffestt_implist_append(list,start_token,end_token);
|
||
|
||
list must have already been created by ffestt_implist_create. The
|
||
list is allocated out of the scratch pool. The tokens are consumed. */
|
||
|
||
void
|
||
ffestt_implist_append (ffesttImpList list, ffelexToken first, ffelexToken last)
|
||
{
|
||
ffesttImpList new;
|
||
|
||
new = (ffesttImpList) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST token list", sizeof (*new));
|
||
new->next = list->previous->next;
|
||
new->previous = list->previous;
|
||
new->next->previous = new;
|
||
new->previous->next = new;
|
||
new->first = first;
|
||
new->last = last;
|
||
}
|
||
|
||
/* ffestt_implist_create -- Create new list of token pairs
|
||
|
||
ffesttImpList list;
|
||
list = ffestt_implist_create();
|
||
|
||
The list is allocated out of the scratch pool. */
|
||
|
||
ffesttImpList
|
||
ffestt_implist_create ()
|
||
{
|
||
ffesttImpList new;
|
||
|
||
new = (ffesttImpList) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST token list root",
|
||
sizeof (*new));
|
||
new->next = new->previous = new;
|
||
new->first = NULL;
|
||
new->last = NULL;
|
||
return new;
|
||
}
|
||
|
||
/* ffestt_implist_drive -- Drive list of token pairs into function
|
||
|
||
ffesttImpList list;
|
||
void fn(ffelexToken first,ffelexToken last);
|
||
ffestt_implist_drive(list,fn);
|
||
|
||
The token pairs in the list are passed to the function one pair at a time. */
|
||
|
||
void
|
||
ffestt_implist_drive (ffesttImpList list, void (*fn) (ffelexToken, ffelexToken))
|
||
{
|
||
ffesttImpList next;
|
||
|
||
if (list == NULL)
|
||
return;
|
||
|
||
for (next = list->next; next != list; next = next->next)
|
||
{
|
||
(*fn) (next->first, next->last);
|
||
}
|
||
}
|
||
|
||
/* ffestt_implist_kill -- Kill list of token pairs
|
||
|
||
ffesttImpList list;
|
||
ffestt_implist_kill(list);
|
||
|
||
The tokens on the list are killed. */
|
||
|
||
void
|
||
ffestt_implist_kill (ffesttImpList list)
|
||
{
|
||
ffesttImpList next;
|
||
|
||
for (next = list->next; next != list; next = next->next)
|
||
{
|
||
ffelex_token_kill (next->first);
|
||
if (next->last != NULL)
|
||
ffelex_token_kill (next->last);
|
||
}
|
||
}
|
||
|
||
/* ffestt_tokenlist_append -- Append token to list of tokens
|
||
|
||
ffesttTokenList tl;
|
||
ffelexToken t;
|
||
ffestt_tokenlist_append(tl,t);
|
||
|
||
tl must have already been created by ffestt_tokenlist_create. The
|
||
list is allocated out of the scratch pool. The token is consumed. */
|
||
|
||
void
|
||
ffestt_tokenlist_append (ffesttTokenList tl, ffelexToken t)
|
||
{
|
||
ffesttTokenItem ti;
|
||
|
||
ti = (ffesttTokenItem) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST token item", sizeof (*ti));
|
||
ti->next = (ffesttTokenItem) &tl->first;
|
||
ti->previous = tl->last;
|
||
ti->next->previous = ti;
|
||
ti->previous->next = ti;
|
||
ti->t = t;
|
||
++tl->count;
|
||
}
|
||
|
||
/* ffestt_tokenlist_create -- Create new list of tokens
|
||
|
||
ffesttTokenList tl;
|
||
tl = ffestt_tokenlist_create();
|
||
|
||
The list is allocated out of the scratch pool. */
|
||
|
||
ffesttTokenList
|
||
ffestt_tokenlist_create ()
|
||
{
|
||
ffesttTokenList tl;
|
||
|
||
tl = (ffesttTokenList) malloc_new_kp (ffesta_scratch_pool,
|
||
"FFEST token list", sizeof (*tl));
|
||
tl->first = tl->last = (ffesttTokenItem) &tl->first;
|
||
tl->count = 0;
|
||
return tl;
|
||
}
|
||
|
||
/* ffestt_tokenlist_drive -- Drive list of tokens
|
||
|
||
ffesttTokenList tl;
|
||
void fn(ffelexToken t);
|
||
ffestt_tokenlist_drive(tl,fn);
|
||
|
||
The tokens in the list are passed to the given function. */
|
||
|
||
void
|
||
ffestt_tokenlist_drive (ffesttTokenList tl, void (*fn) (ffelexToken))
|
||
{
|
||
ffesttTokenItem ti;
|
||
|
||
if (tl == NULL)
|
||
return;
|
||
|
||
for (ti = tl->first; ti != (ffesttTokenItem) &tl->first; ti = ti->next)
|
||
{
|
||
(*fn) (ti->t);
|
||
}
|
||
}
|
||
|
||
/* ffestt_tokenlist_handle -- Handle list of tokens
|
||
|
||
ffesttTokenList tl;
|
||
ffelexHandler handler;
|
||
handler = ffestt_tokenlist_handle(tl,handler);
|
||
|
||
The tokens in the list are passed to the handler(s). */
|
||
|
||
ffelexHandler
|
||
ffestt_tokenlist_handle (ffesttTokenList tl, ffelexHandler handler)
|
||
{
|
||
ffesttTokenItem ti;
|
||
|
||
for (ti = tl->first; ti != (ffesttTokenItem) &tl->first; ti = ti->next)
|
||
handler = (ffelexHandler) (*handler) (ti->t);
|
||
|
||
return (ffelexHandler) handler;
|
||
}
|
||
|
||
/* ffestt_tokenlist_kill -- Kill list of tokens
|
||
|
||
ffesttTokenList tl;
|
||
ffestt_tokenlist_kill(tl);
|
||
|
||
The tokens on the list are killed.
|
||
|
||
02-Mar-90 JCB 1.1
|
||
Don't kill the list itself or change it, since it will be trashed when
|
||
ffesta_scratch_pool is killed anyway, so kill only the lex tokens. */
|
||
|
||
void
|
||
ffestt_tokenlist_kill (ffesttTokenList tl)
|
||
{
|
||
ffesttTokenItem ti;
|
||
|
||
for (ti = tl->first; ti != (ffesttTokenItem) &tl->first; ti = ti->next)
|
||
{
|
||
ffelex_token_kill (ti->t);
|
||
}
|
||
}
|