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Lex Description | 1993-01-05 | 17.3 KB | 879 lines |
- %{
- /* Copyright (C) 1990, 1992, 1993 Free Software Foundation, Inc.
-
- This file is part of Oleo, the GNU Spreadsheet.
-
- Oleo is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- Oleo is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with Oleo; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
- %}
-
-
- %right '?' ':'
- /* %left '|' */
- %left '&'
- %nonassoc '=' NE
- %nonassoc '<' LE '>' GE
- %left '+' '-'
- %left '*' '/' '%'
- %right '^'
- %left NEG '!'
-
- %token L_CELL L_RANGE
- %token L_VAR
-
- %token L_CONST
- %token L_FN0 L_FN1 L_FN2 L_FN3 L_FN4 L_FNN
- %token L_FN1R L_FN2R L_FN3R L_FN4R L_FNNR
-
- %token L_LE L_NE L_GE
-
- %{
- #include "funcdef.h"
-
- #include <ctype.h>
-
- #define obstack_chunk_alloc ck_malloc
- #define obstack_chunk_free free
- #include "obstack.h"
- #include "sysdef.h"
-
- #include "global.h"
- #include "errors.h"
- #include "node.h"
- #include "eval.h"
- #include "ref.h"
-
- int yylex ();
- #ifdef __STDC__
- void yyerror (char *);
- #else
- void yyerror ();
- #endif
- VOIDSTAR parse_hash;
- extern VOIDSTAR hash_find();
-
- /* This table contains a list of the infix single-char functions */
- unsigned char fnin[] = {
- SUM, DIFF, DIV, PROD, MOD, /* AND, OR, */ POW, EQUAL, IF, CONCAT, 0
- };
-
- #define YYSTYPE _y_y_s_t_y_p_e
- typedef struct node *YYSTYPE;
- YYSTYPE parse_return;
- #ifdef __STDC__
- YYSTYPE make_list (YYSTYPE, YYSTYPE);
- #else
- YYSTYPE make_list ();
- #endif
-
- char *instr;
- int parse_error = 0;
- extern struct obstack tmp_mem;
-
- %}
- %%
- line: exp
- { parse_return=$1; }
- | error {
- if(!parse_error)
- parse_error=PARSE_ERR;
- parse_return=0; }
- ;
-
- exp: L_CONST
- | cell
- | L_FN0 '(' ')' {
- $$=$1; }
- | L_FN1 '(' exp ')' {
- ($1)->n_x.v_subs[0]=$3;
- ($1)->n_x.v_subs[1]=(struct node *)0;
- $$=$1; }
- | L_FN2 '(' exp ',' exp ')' {
- ($1)->n_x.v_subs[0]=$3;
- ($1)->n_x.v_subs[1]=$5;
- $$=$1; }
- | L_FN3 '(' exp ',' exp ',' exp ')' {
- ($1)->n_x.v_subs[0]=make_list($3,$5);
- ($1)->n_x.v_subs[1]=$7;
- $$=$1;}
- | L_FN4 '(' exp ',' exp ',' exp ',' exp ')' {
- ($1)->n_x.v_subs[0]=make_list($3,$5);
- ($1)->n_x.v_subs[1]=make_list($7,$9);
- $$=$1;}
- | L_FNN '(' exp_list ')' {
- ($1)->n_x.v_subs[0]=(struct node *)0;
- ($1)->n_x.v_subs[1]=$3;
- $$=$1; }
- | L_FN1R '(' L_RANGE ')' {
- $1->n_x.v_subs[0]=$3;
- $$=$1; }
- | L_FN1R '(' L_VAR ')' {
- $1->n_x.v_subs[0]=$3;
- $$=$1; }
-
- | L_FN2R '(' L_RANGE ',' exp ')' {
- $1->n_x.v_subs[0]=$3;
- $1->n_x.v_subs[1]=$5;
- $$=$1; }
- | L_FN2R '(' L_VAR ',' exp ')' {
- $1->n_x.v_subs[0]=$3;
- $1->n_x.v_subs[1]=$5;
- $$=$1; }
-
- /* JF: These should be FN2R, but I'm hacking this for SYLNK */
- | L_FN2R '(' L_RANGE ',' exp ',' exp ')' {
- if($1->comp_value!=F_INDEX)
- parse_error=PARSE_ERR;
- $1->comp_value=F_INDEX2;
- $1->n_x.v_subs[0]=make_list($3,$5);
- $1->n_x.v_subs[1]=$7;
- $$=$1; }
- | L_FN2R '(' L_VAR ',' exp ',' exp ')' {
- if($1->comp_value!=F_INDEX)
- parse_error=PARSE_ERR;
- $1->comp_value=F_INDEX2;
- $1->n_x.v_subs[0]=make_list($3,$5);
- $1->n_x.v_subs[1]=$7;
- $$=$1; }
-
- | L_FN3R '(' L_RANGE ',' exp ',' exp ')' {
- ($1)->n_x.v_subs[0]=make_list($3,$5);
- ($1)->n_x.v_subs[1]=$7;
- $$=$1;}
- | L_FN3R '(' L_VAR ',' exp ',' exp ')' {
- ($1)->n_x.v_subs[0]=make_list($3,$5);
- ($1)->n_x.v_subs[1]=$7;
- $$=$1;}
-
- | L_FNNR '(' range_exp_list ')' {
- ($1)->n_x.v_subs[0]=(struct node *)0;
- ($1)->n_x.v_subs[1]=$3;
- $$=$1; }
- | exp '?' exp ':' exp {
- $2->comp_value=IF;
- $2->n_x.v_subs[0]=$4;
- $2->n_x.v_subs[1]=$5;
- $4->n_x.v_subs[0]=$1;
- $4->n_x.v_subs[1]=$3;
- $$=$2; }
- /* | exp '|' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; } */
- | exp '&' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '<' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp LE exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '=' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp NE exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '>' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp GE exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '+' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '-' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '*' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '/' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '%' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | exp '^' exp {
- $2->n_x.v_subs[0]=$1;
- $2->n_x.v_subs[1]=$3;
- $$ = $2; }
- | '-' exp %prec NEG {
- if($2->comp_value==CONST_FLT) {
- $2->n_x.v_float= -($2->n_x.v_float);
- /* free($1); */
- $$=$2;
- } else if($2->comp_value==CONST_INT) {
- $2->n_x.v_int= -($2->n_x.v_int);
- /* free($1); */
- $$=$2;
- } else {
- $1->comp_value = NEGATE;
- $1->n_x.v_subs[0]=$2;
- $1->n_x.v_subs[1]=(struct node *)0;
- $$ = $1;
- } }
- | '!' exp {
- $1->n_x.v_subs[0]=$2;
- $1->n_x.v_subs[1]=(struct node *)0;
- $$ = $1; }
- | '(' exp ')'
- { $$ = $2; }
- | '(' exp error {
- if(!parse_error)
- parse_error=NO_CLOSE;
- }
- /* | exp ')' error {
- if(!parse_error)
- parse_error=NO_OPEN;
- } */
- | '(' error {
- if(!parse_error)
- parse_error=NO_CLOSE;
- }
- ;
-
-
- exp_list: exp
- { $$ = make_list($1, 0); }
- | exp_list ',' exp
- { $$ = make_list($3, $1); }
- ;
-
- range_exp: L_RANGE
- | exp
- ;
-
- range_exp_list: range_exp
- { $$=make_list($1, 0); }
- | range_exp_list ',' range_exp
- { $$=make_list($3,$1); }
- ;
-
- cell: L_CELL
- { $$=$1; }
- | L_VAR
- ;
- %%
-
- void
- yyerror FUN1(char *, s)
- {
- if(!parse_error)
- parse_error=PARSE_ERR;
- }
-
- YYSTYPE
- make_list FUN2(YYSTYPE, car, YYSTYPE, cdr)
- {
- YYSTYPE ret;
-
- ret=(YYSTYPE)obstack_alloc(&tmp_mem,sizeof(*ret));
- ret->comp_value = 0;
- ret->n_x.v_subs[0]=car;
- ret->n_x.v_subs[1]=cdr;
- return ret;
- }
-
- #define ERROR -1
-
- extern struct node *yylval;
-
- #ifdef __STDC__
- unsigned char parse_cell_or_range (char **,struct rng *);
- int str_to_col (char ** str);
- #else
- unsigned char parse_cell_or_range ();
- #endif
-
- int
- yylex FUN0()
- {
- int ch;
- struct node *new;
- int isflt;
- char *begin;
- char *tmp_str;
- unsigned char byte_value;
- int n;
-
- /* unsigned char *ptr; */
- int nn;
- struct function *fp;
- int tmp_ch;
-
- #ifdef TEST
- if(!instr)
- return ERROR;
- #endif
- while(isspace(*instr))
- instr++;
- ch = *instr++;
- if(ch=='(' || ch==',' || ch==')')
- return ch;
-
- new=(struct node *)obstack_alloc(&tmp_mem,sizeof(struct node));
- new->add_byte=0;
- new->sub_value=0;
- switch(ch) {
- case 0:
- return 0;
-
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9': case '.':
- isflt = (ch=='.');
-
- begin=instr-1;
- tmp_str=instr;
-
- while(isdigit(*tmp_str) || (!isflt && *tmp_str=='.' && ++isflt))
- tmp_str++;
- if(*tmp_str=='e' || *tmp_str=='E') {
- isflt=1;
- tmp_str++;
- if(*tmp_str=='-' || *tmp_str=='+')
- tmp_str++;
- while(isdigit(*tmp_str))
- tmp_str++;
- }
- if(isflt) {
- new->n_x.v_float=astof((char **)(&begin));
- byte_value=CONST_FLT;
- } else {
- new->n_x.v_int=astol((char **)(&begin));
- if(begin!=tmp_str) {
- begin=instr-1;
- new->n_x.v_float=astof((char **)(&begin));
- byte_value=CONST_FLT;
- } else
- byte_value=CONST_INT;
- }
- ch=L_CONST;
- instr=begin;
- break;
-
- case '"':
- begin=instr;
- while(*instr && *instr!='"') {
- if(*instr=='\\' && instr[1])
- instr++;
- instr++;
- }
- if(!*instr) {
- parse_error=NO_QUOTE;
- return ERROR;
- }
- tmp_str=new->n_x.v_string=(char *)ck_malloc(1+instr-begin);
- while(begin!=instr) {
- unsigned char n;
-
- if(*begin=='\\') {
- begin++;
- if(begin[0]>='0' && begin[0]<='7') {
- if(begin[1]>='0' && begin[1]<='7') {
- if(begin[2]>='0' && begin[2]<='7') {
- n=(begin[2]-'0') + (010 * (begin[1]-'0')) + ( 0100 * (begin[0]-'0'));
- begin+=3;
- } else {
- n=(begin[1]-'0') + (010 * (begin[0]-'0'));
- begin+=2;
- }
- } else {
- n=begin[0]-'0';
- begin++;
- }
- } else
- n= *begin++;
- *tmp_str++= n;
- } else
- *tmp_str++= *begin++;
- }
- *tmp_str='\0';
- instr++;
- byte_value=CONST_STR;
- ch=L_CONST;
- break;
-
- case '+': case '-':
-
- case '*': case '/': case '%': case '&':
- /* case '|': */ case '^': case '=':
-
- case '?':
- {
- unsigned char *ptr;
-
- for(ptr= fnin;*ptr;ptr++)
- if(the_funs[*ptr].fn_str[0]==ch)
- break;
- #ifdef TEST
- if(!*ptr)
- panic("Can't find fnin[] entry for '%c'",ch);
- #endif
- byte_value= *ptr;
- }
- break;
-
- case ':':
- byte_value=IF;
- break;
-
- case '!':
- case '<':
- case '>':
- if(*instr!='=') {
- byte_value = (ch=='<') ? LESS : (ch=='>') ? GREATER : NOT;
- break;
- }
- instr++;
- byte_value = (ch=='<') ? LESSEQ : (ch=='>') ? GREATEQ : NOTEQUAL;
- ch = (ch=='<') ? LE : (ch=='>') ? GE : NE;
- break;
-
- case '\'':
- case ';':
- case '[':
- case '\\':
- case ']':
- case '`':
- case '{':
- case '}':
- case '~':
- bad_chr:
- parse_error=BAD_CHAR;
- return ERROR;
-
- case '#':
- begin=instr-1;
- while(*instr && (isalnum(*instr) || *instr=='_'))
- instr++;
- ch= *instr;
- *instr=0;
- if(!stricmp(begin,tname))
- byte_value=F_TRUE;
- else if(!stricmp(begin,fname))
- byte_value=F_FALSE;
- else if(!stricmp(begin,iname) && (begin[4]==0 || !stricmp(begin+4,"inity")))
- byte_value=CONST_INF;
- else if(!stricmp(begin,mname) ||
- !stricmp(begin,"#ninf"))
- byte_value=CONST_NINF;
- else if(!stricmp(begin,nname) ||
- !stricmp(begin,"#nan"))
- byte_value=CONST_NAN;
- else {
- for(n=1;n<=ERR_MAX;n++)
- if(!stricmp(begin,ename[n]))
- break;
- if(n>ERR_MAX)
- n=BAD_CHAR;
- new->n_x.v_int=n;
- byte_value=CONST_ERR;
- }
- *instr=ch;
- ch=L_CONST;
- break;
-
- default:
- if(!a0 && (ch=='@' || ch=='$'))
- goto bad_chr;
-
- if(a0 && ch=='@') {
- begin=instr;
- while(*instr && (isalpha(*instr) || isdigit(*instr) || *instr=='_'))
- instr++;
- n=instr-begin;
- } else {
- begin=instr-1;
- byte_value=parse_cell_or_range(&begin,&(new->n_x.v_rng));
- if(byte_value) {
- if((byte_value& ~0x3)==R_CELL)
- ch=L_CELL;
- else
- ch=L_RANGE;
- instr=begin;
- break;
- }
-
- while(*instr && (isalpha(*instr) || isdigit(*instr) || *instr=='_'))
- instr++;
-
- n=instr-begin;
- while(isspace(*instr))
- instr++;
-
- if(*instr!='(') {
- ch=L_VAR;
- byte_value=VAR;
- new->n_x.v_var=find_or_make_var(begin,n);
- break;
- }
- }
- tmp_ch=begin[n];
- begin[n]='\0';
- fp=hash_find(parse_hash,begin);
- begin[n]=tmp_ch;
- byte_value= ERROR;
- if(!fp) {
- parse_error=BAD_FUNC;
- return ERROR;
- }
-
- if(fp>=the_funs && fp<=&the_funs[USR1])
- byte_value=fp-the_funs;
- else {
- for(nn=0;nn<n_usr_funs;nn++) {
- if(fp>=&usr_funs[nn][0] && fp<=&usr_funs[nn][usr_n_funs[nn]]) {
- byte_value=USR1+nn;
- new->sub_value=fp-&usr_funs[nn][0];
- break;
- }
- }
- #ifdef TEST
- if(nn==n_usr_funs) {
- io_error_msg("Couln't turn fp into a ##");
- parse_error=BAD_FUNC;
- return ERROR;
- }
- #endif
- }
-
- if(fp->fn_argn&X_J)
- ch= byte_value==F_IF ? L_FN3 : L_FN2;
- else if(fp->fn_argt[0]=='R' || fp->fn_argt[0]=='E')
- ch=L_FN1R-1+fp->fn_argn-X_A0;
- else
- ch=L_FN0 + fp->fn_argn-X_A0;
-
- break;
- }
- /* new->node_type=ch; */
- new->comp_value=byte_value;
- yylval=new;
- return ch;
- }
-
- /* Return value is
- 0 if it doesn't look like a cell or a range,
- R_CELL if it is a cell (ptr now points past the characters, lr and lc hold the row and col of the cell)
- RANGE if it is a range (ptr points past the chars)
- */
- unsigned char
- parse_cell_or_range FUN2(char **,ptr, struct rng *,retp)
- {
- if(a0) {
- unsigned tmpc,tmpr;
- char *p;
- int abz = ROWREL|COLREL;
-
- p= *ptr;
- tmpc=0;
- if(*p=='$') {
- abz-=COLREL;
- p++;
- }
- if(!isalpha(*p))
- return 0;
- tmpc=str_to_col(&p);
- if(tmpc<MIN_COL || tmpc>MAX_COL)
- return 0;
- if(*p=='$') {
- abz-=ROWREL;
- p++;
- }
- if(!isdigit(*p))
- return 0;
- for(tmpr=0;isdigit(*p);p++)
- tmpr=tmpr*10 + *p - '0';
-
- if(tmpr<MIN_ROW || tmpr>MAX_ROW)
- return 0;
-
- if(*p==':' || *p=='.') {
- unsigned tmpc1,tmpr1;
-
- abz = ((abz&COLREL) ? LCREL : 0)|((abz&ROWREL) ? LRREL : 0)|HRREL|HCREL;
- p++;
- if(*p=='$') {
- abz-=HCREL;
- p++;
- }
- if(!isalpha(*p))
- return 0;
- tmpc1=str_to_col(&p);
- if(tmpc1<MIN_COL || tmpc1>MAX_COL)
- return 0;
- if(*p=='$') {
- abz-=HRREL;
- p++;
- }
- if(!isdigit(*p))
- return 0;
- for(tmpr1=0;isdigit(*p);p++)
- tmpr1=tmpr1*10 + *p - '0';
- if(tmpr1<MIN_ROW || tmpr1>MAX_ROW)
- return 0;
-
- if(tmpr<tmpr1) {
- retp->lr=tmpr;
- retp->hr=tmpr1;
- } else {
- retp->lr=tmpr1;
- retp->hr=tmpr;
- }
- if(tmpc<tmpc1) {
- retp->lc=tmpc;
- retp->hc=tmpc1;
- } else {
- retp->lc=tmpc1;
- retp->hc=tmpc;
- }
- *ptr= p;
- return RANGE | abz;
- }
- retp->lr = retp->hr = tmpr;
- retp->lc = retp->hc = tmpc;
- *ptr=p;
- return R_CELL | abz;
- } else {
- char *p;
- unsigned char retr;
- unsigned char retc;
- int ended;
- long num;
- CELLREF tmp;
-
- #define CK_ABS_R(x) ((x)<MIN_ROW || (x)>MAX_ROW)
-
- #define CK_REL_R(x) (((x)>0 && MAX_ROW-(x)<cur_row) \
- || ((x)<0 && MIN_ROW-(x)>cur_row))
-
- #define CK_ABS_C(x) ((x)<MIN_COL || (x)>MAX_COL)
-
- #define CK_REL_C(x) (((x)>0 && MAX_COL-(x)<cur_col) \
- || ((x)<0 && MIN_COL-(x)>cur_col))
-
- #define MAYBEREL(p) (*(p)=='[' && (isdigit((p)[1]) || (((p)[1]=='+' || (p)[1]=='-') && isdigit((p)[2]))))
-
- p= *ptr;
- retr=0;
- retc=0;
- ended=0;
- while(ended==0) {
- switch(*p) {
- case 'r':
- case 'R':
- if(retr) {
- ended++;
- break;
- }
- p++;
- retr=R_CELL;
- if(isdigit(*p)) {
- num=astol(&p);
- if (CK_ABS_R(num))
- return 0;
- retp->lr= retp->hr=num;
- } else if(MAYBEREL(p)) {
- p++;
- num=astol(&p);
- if (CK_REL_R(num))
- return 0;
- retp->lr= retp->hr=num+cur_row;
- retr|=ROWREL;
- if(*p==':') {
- retr=RANGE|LRREL|HRREL;
- p++;
- num=astol(&p);
- if (CK_REL_R(num))
- return 0;
- retp->hr=num+cur_row;
- }
- if(*p++!=']')
- return 0;
- } else if(retc || *p=='c' || *p=='C') {
- retr|=ROWREL;
- retp->lr= retp->hr=cur_row;
- } else
- return 0;
- if(*p==':' && retr!=(RANGE|LRREL|HRREL)) {
- retr= (retr&ROWREL) ? RANGE|LRREL : RANGE;
- p++;
- if(isdigit(*p)) {
- num=astol(&p);
- if (CK_ABS_R(num))
- return 0;
- retp->hr=num;
- } else if(MAYBEREL(p)) {
- p++;
- num=astol(&p);
- if (CK_REL_R(num))
- return 0;
- retp->hr=num+cur_row;
- retr|=HRREL;
- if(*p++!=']')
- return 0;
- } else
- return 0;
- }
-
- if(retc)
- ended++;
- break;
-
- case 'c':
- case 'C':
- if(retc) {
- ended++;
- break;
- }
- p++;
- retc=R_CELL;
- if(isdigit(*p)) {
- num=astol(&p);
- if (CK_ABS_C(num))
- return 0;
- retp->lc= retp->hc=num;
- } else if(MAYBEREL(p)) {
- p++;
- num=astol(&p);
- if (CK_REL_C(num))
- return 0;
- retp->lc= retp->hc=num+cur_col;
- retc|=COLREL;
- if(*p==':') {
- retc=RANGE|LCREL|HCREL;
- p++;
- num=astol(&p);
- if (CK_REL_C(num))
- return 0;
- retp->hc=num+cur_col;
- }
- if(*p++!=']')
- return 0;
- } else if(retr || *p=='r' || *p=='R') {
- retc|=COLREL;
- retp->lc= retp->hc=cur_col;
- } else
- return 0;
- if(*p==':' && retc!=(RANGE|LCREL|HCREL)) {
- retc= (retc&COLREL) ? RANGE|LCREL : RANGE;
- p++;
- if(isdigit(*p)) {
- num=astol(&p);
- if (CK_ABS_C(num))
- return 0;
- retp->hc=num;
- } else if(MAYBEREL(p)) {
- p++;
- num=astol(&p);
- if (CK_REL_C(num))
- return 0;
- retp->hc=num+cur_col;
- retc|=HCREL;
- if(*p++!=']')
- return 0;
- } else
- return 0;
- }
-
- if(retr)
- ended++;
- break;
- default:
- if(retr) {
- *ptr=p;
- retp->lc=MIN_COL;
- retp->hc=MAX_COL;
- if((retr|ROWREL)==(R_CELL|ROWREL))
- return (retr&ROWREL) ? (RANGE|LRREL|HRREL) : RANGE;
- else
- return retr;
- } else if(retc) {
- *ptr=p;
- retp->lr=MIN_ROW;
- retp->hr=MAX_COL;
- if((retc|COLREL)==(R_CELL|COLREL))
- return (retc&COLREL) ? (RANGE|LCREL|HCREL) : RANGE;
- else
- return retc;
- }
- return 0;
- }
- }
- if(!retr || !retc)
- return 0;
- *ptr=p;
- if(retp->lr>retp->hr)
- tmp=retp->lr,retp->lr=retp->hr,retp->hr=tmp;
- if(retp->lc>retp->hc)
- tmp=retp->lc,retp->lc=retp->hc,retp->hc=tmp;
-
- if((retr|ROWREL)==(R_CELL|ROWREL)) {
- if((retc|COLREL)==(R_CELL|COLREL))
- return retr|retc;
- return (retr&ROWREL) ? (retc|LRREL|HRREL) : retc;
- }
- if((retc|COLREL)==(R_CELL|COLREL))
- return (retc&COLREL) ? (retr|LCREL|HCREL) : retr;
- return retr|retc;
- }
- }
-
- int
- str_to_col FUN1(char **,str)
- {
- int ret;
- char c,cc,ccc;
- #if MAX_COL>702
- char cccc;
- #endif
-
- ret=0;
- c=str[0][0];
- if(!isalpha((cc=str[0][1]))) {
- (*str)++;
- return MIN_COL + (isupper(c) ? c-'A' : c-'a');
- }
- if(!isalpha((ccc=str[0][2]))) {
- (*str)+=2;
- return MIN_COL+26 + (isupper(c) ? c-'A' : c-'a')*26 + (isupper(cc) ? cc-'A' : cc-'a');
- }
- #if MAX_COL>702
- if(!isalpha((cccc=str[0][3]))) {
- (*str)+=3;
- return MIN_COL+702 + (isupper(c) ? c-'A' : c-'a')*26*26 + (isupper(cc) ? cc-'A' : cc-'a')*26 + (isupper(ccc) ? ccc-'A' : ccc-'a');
- }
- if(!isalpha(str[0][4])) {
- (*str)+=4;
- return MIN_COL+18278 + (isupper(c) ? c-'A' : c-'a')*26*26*26 + (isupper(cc) ? cc-'A' : cc-'a')*26*26 + (isupper(ccc) ? ccc-'A' : ccc-'a')*26 + (isupper(cccc) ? cccc-'A' : cccc-'a');
- }
- #endif
- return 0;
- }
-