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cde/cde/programs/dthelp/parser/pass1/eltdef/eltutil.c

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/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: eltutil.c /main/3 1995/11/08 10:04:56 rswiston $ */
/*
Copyright 1986 Tandem Computers Incorporated.
This product and information is proprietary of Tandem Computers Incorporated.
Copyright (c) 1986, 1987, 1988, 1989 Hewlett-Packard Co.
*/
/* Eltutil.c contains procedures for program ELTDEF */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#if defined(MSDOS)
#include <process.h>
#endif
#include "basic.h"
#include "trie.h"
#include "dtdext.h"
#include "eltdef.h"
#include "delim.h"
#include "context.h"
#include "entext.h"
#include "version.h"
/* Output indicated action pointer array to if.h */
void actptrout(array, name)
ACTION **array;
char *name;
{
int i;
fprintf(ifh, "M_IFEXTERN int %s[%d]\n#if defined(M_IFDEF)\n = {\n",
name, m_elcount);
for (i = 0 ; i < m_elcount ; i++) {
if (i > 0) fprintf(ifh, ",\n");
fprintf(ifh, " %d", array[i] ? array[i]->count : M_NULLVAL);
}
fprintf(ifh, "}\n#endif\n ;\n");
}
/* Close a code file and write jump table at the end */
void closeiffile(LOGICAL flag, FILE *file, int count, char *table, char *proto)
{
int i;
endcode(flag, file);
if (count) {
fprintf(file,
"void (*m_%stable[])(%s) = {\n",
table, proto);
fprintf(file, " m_%s1, /* Place holder for 1-based indexing */\n",
table);
for (i = 1 ; i <= count ; i++) {
fprintf(file, " m_%s%d", table, i);
if (i != count) fputs(",\n", file);
}
fputs("} ;\n", file);
}
else
fprintf(file,
"void (*m_%stable[1])(%s) ;\n",
table, proto);
fclose(file);
}
/* Called when the C identifier to be #define'd to a parameter value is
scanned */
void cvalue(void)
{
PARVAL *new;
new = (PARVAL *) m_malloc(sizeof(PARVAL), "parameter value");
if ((pval = (PARVAL *) m_ntrtrie(name, &parval, (M_TRIE *) new)))
m_free(new, "parameter value");
else {
new->line = 0;
new->value = NULL;
new->cname = (M_WCHAR *) m_malloc(w_strlen(name) + 1, "C name");
w_strcpy(new->cname, name);
pval = new;
}
}
/* Called after last input character is read to place closing punctuation
at end of output files and close them */
void done(void)
{
M_ENTITY *ent;
ACTION *actp;
LOGICAL first;
int i;
closeiffile(inent, entfile, codeent, "c", "void");
closeiffile(intext, tfile, tactions, "t", tproto);
closeiffile(inpc, pfile, pactions, "p", pproto);
closeiffile(insc, sfile, sactions, "s", "void");
closeiffile(inec, efile, eactions, "e", "void");
closeiffile(instc, stfile, stactions, "st", stproto);
endstring();
fclose(string);
/* Write if.h (which was opened for sign-on message) */
fprintf(ifh, "M_IFEXTERN int m_gss M_IFINIT(%d) ;\n", gss);
fprintf(ifh, "M_IFEXTERN int m_ges M_IFINIT(%d) ;\n", ges);
fputs("M_IFEXTERN struct {\n", ifh);
fputs(" int data ;\n", ifh);
fputs(" M_ELEMENT element ;\n", ifh);
fputs(" int son ;\n", ifh);
fputs(" int next ;\n", ifh);
if (actlen) {
fprintf(ifh,
" } m_action[%d]\n#if defined(M_IFDEF)\n = {\n",
actlen);
first = TRUE;
for (actp = firstact ; actp ; actp = actp->nextact) {
if (first) first = FALSE;
else fprintf(ifh, ",\n");
fprintf(ifh, " %d, %d, %d, %d",
actp->data, actp->element,
actp->son ? actp->son->count : M_NULLVAL,
actp->next ? actp->next->count : M_NULLVAL);
}
fprintf(ifh, "}\n#endif\n ;\n");
}
else fputs(" } m_action[1] ;\n", ifh);
actptrout(starray, "m_starray");
actptrout(etarray, "m_etarray");
actptrout(scarray, "m_scarray");
actptrout(ecarray, "m_ecarray");
actptrout(tcarray, "m_tcarray");
actptrout(pcarray, "m_pcarray");
actptrout(stcarray, "m_stcarray");
outstring();
m_openchk(&pvalh, "pval.h", "w");
fputs("/* Parameter values specified in the interface */\n", pvalh);
if (parval.data) outpval(parval.data);
fclose(ifh);
/* Report any elements and entities left undefined */
for (i = 0 ; i < m_elcount ; i++)
if (! processed[i])
warning1("Warning: No specification for element %s",
&m_ename[m_element[i].enptr]);
for (ent = firstent ; ent ; ent = ent->next)
if (! ent->wheredef)
warning1("Warning: Entity %s undefined", ent->name);
entout("entity2");
exit(errexit);
}
/* Called when finished reading a section of code from the input file */
void endcode(LOGICAL flag, FILE *file)
{
if (flag) fprintf(file, "}}\n\n");
}
/* Called at the end of all initial fields in the interface definition */
void endini(void)
{
if (finitext)
fputs(" putc(m_textchar, m_outfile);\n", tfile);
if (finipi)
fputs(" fputs(m_pi, m_outfile) ;\n", pfile);
if (finistc)
{
fputs(" {\n", stfile);
fputs(" char *mb_string;\n", stfile);
fputs(" mb_string = MakeMByteString(m_string);\n", stfile);
fputs(" fputs(mb_string, m_outfile) ;\n", stfile);
fputs(" m_free(mb_string,\"multi-byte string\");;\n", stfile);
fputs(" }\n", stfile);
}
}
/* End the sign-on message */
#include <time.h>
void endsignon(void)
{
time_t storetime;
char *p;
char *timeofday;
static char signon1[] = "Interface generated from ";
static char signon2[] = " on ";
int i;
int len;
FILE *sgfile;
signonend = TRUE;
/* Discard a trailing carriage return in the sign-on message */
if (socr) sochar--;
time(&storetime);
timeofday = ctime(&storetime);
len =
sochar+strlen(signon1)+strlen(signon2)+strlen(iffile)+strlen(timeofday)
/* a byte for end of string marker */
+ 1
/* a byte for a carriage return after any user-supplied message */
+ (sochar ? 1 : 0);
m_openchk(&sgfile, "signonx.h", "w");
fprintf(sgfile, "extern char m_signon[%d] ;\n", len);
fclose(sgfile);
m_openchk(&sgfile, "signon.h", "w");
fprintf(sgfile, "char m_signon[%d] = {\n", len);
for (i = 0 ; i <sochar ; i++)
fprintf(sgfile, " %d,\n", signonmsg[i]);
if (sochar) fputs(" 10,\n", sgfile);
for (p = signon1 ; *p ; p++)
fprintf(sgfile, " %d,\n", *p);
for (p = iffile ; *p ; p++)
fprintf(sgfile, " %d,\n", *p);
for (p = signon2 ; *p ; p++)
fprintf(sgfile, " %d,\n", *p);
for (p = timeofday ; *p ; p++)
fprintf(sgfile, " %d,\n", *p);
fputs(" 0} ;\n", sgfile);
fclose(sgfile);
}
/* Closes a start-string or end-string */
void endstring(void)
{
if (instring) {
if (stringstart) stringstart = FALSE;
else fprintf(string, ",\n");
stringcnt++;
instring = FALSE;
fprintf(string, " 0");
}
/* If called after ENDFILE, ensure at least one character in output file*/
else if (stringstart) fprintf(string, " 0");
}
/* Set the type of an entity and check if different than declaration in
BUILD */
void enttype(type)
int type;
{
if ((entity->type == M_PI && type == M_CODEPI) ||
(entity->type == M_SDATA && type == M_CODESDATA));
else if (entity->type != M_GENERAL &&
entity->type != (unsigned char) type)
warning1("Redefining type of entity %s", name);
entity->type = (unsigned char) type;
}
/* Free storage used for a context-specification chain */
void freechain(void)
{
CHAIN *chainp, *dchainp;
for (chainp = firstchain ; chainp ;) {
dchainp = chainp;
chainp = chainp->next;
m_free(dchainp, "chain");
}
firstchain = NULL;
nextchain = &firstchain;
}
/* Returns pointer to data field in action node for current chain of
elements */
int *getaction(array)
ACTION **array;
{
ACTION *start, *node;
CHAIN *chainp;
if (! array[openelt - 1]) {
array[openelt - 1] = getactstruct();
array[openelt - 1]->element = openelt + 1;
}
start = array[openelt - 1];
for (chainp = firstchain ; chainp ; chainp = chainp->next) {
if (! start->son) {
for ( ; chainp ; chainp = chainp->next) {
start->son = getactstruct();
start->son->element = chainp->elt;
start = start->son;
}
freechain();
return(&start->data);
}
for (node = start->son ; node ; start = node, node = node->next)
if (node->element == chainp->elt) break;
if (! node) {
start->next = getactstruct();
start->next->element = chainp->elt;
start = start->next;
}
else start = node;
}
if (start->data) m_error("Duplicate specification");
freechain();
return(&start->data);
}
/* Allocate new action structure */
ACTION *getactstruct(void)
{
ACTION *new;
new = (ACTION *) m_malloc(sizeof(ACTION), "action");
new->count = ++actlen;
new->data = M_NULLVAL;
new->son = new->next = new->nextact = NULL;
*nextact = new;
nextact = &new->nextact;
return(new);
}
/* Program initialization */
void initialize(void)
{
char **mb_delims;
M_WCHAR **wc_delims;
fprintf(stderr, "MARKUP System - ELTDEF %s\n", M_VERSION);
fprintf(stderr, "Copyright (c) 1986, 1987, 1988, 1989 Hewlett-Packard Co.\n");
m_openchk(&ifh, "if.h", "w");
m_openchk(&globdef, "globdef.h", "w");
m_openchk(&globdec, "globdec.h", "w");
m_openchk(&pfile, "pfile.c", "w");
/* ELTDEF opens too many files for use with CodeView debugger. If
this option is set, all code segments are written to one file */
if (debug)
{
tfile =
sfile =
efile =
stfile =
entfile =
pfile;
}
else
{
m_openchk(&tfile, "tfile.c", "w");
m_openchk(&sfile, "sfile.c", "w");
m_openchk(&efile, "efile.c", "w");
m_openchk(&stfile, "stfile.c", "w");
m_openchk(&entfile, "entfile.c", "w");
}
m_openchk(&string, "estring.h", "w");
m_openchk(&m_errfile, "error", "w");
m_openchk(&ifile, iffile, "r");
mb_delims = mb_dlmptr;
wc_delims = m_dlmptr;
while (*mb_delims)
{
*wc_delims++ = MakeWideCharString(*mb_delims);
mb_delims++;
}
*wc_delims = 0;
/* Start array for sign-on message on globals.h. Also,
make sure there is at least one line in globals.h, because
DOS copy does not copy an empty file */
fputs("/* Global definitions specified by interface designer*/\n",
globdef);
fputs("/* Global declarations specified by interface designer*/\n",
globdec);
fputs("#if defined(M_IFDEF)\n", ifh);
fputs("#define M_IFEXTERN\n", ifh);
fputs("#define M_IFINIT(a) = a\n", ifh);
fputs("#else\n", ifh);
fputs("#define M_IFEXTERN extern\n", ifh);
fputs("#define M_IFINIT(a)\n", ifh);
fputs("#endif\n", ifh);
startcode(pactions, &inpc, pfile, "p", pproto, pformal, pftype);
startcode(tactions, &intext, tfile, "t", tproto, tformal, tftype);
startcode(sactions, &insc, sfile, "s", "void", "void", "");
startcode(eactions, &inec, efile, "e", "void", "void", "");
startcode(stactions, &instc, stfile, "st", stproto, stformal, stft);
}
/* Output definitions for strings */
void outstring(void)
{
int c;
m_openchk(&string, "estring.h", "r");
fprintf(ifh, "M_IFEXTERN char m_string[%d]\n",
stringcnt > 1 ? stringcnt - 1 : 1);
if (stringcnt - 1) {
fputs("#if defined(M_IFDEF)\n = {\n", ifh);
while ((c = getc(string)) != EOF) putc(c, ifh);
fputs("}\n#endif\n", ifh);
}
fputs(" ;\n", ifh);
fclose(string);
}
/* Output #define's for parameter values */
void outpval(p)
M_TRIE *p;
{
M_WCHAR *q;
for ( ; p ; p = p->next)
if (p->symbol) outpval(p->data);
else
{
char *mb_cname;
mb_cname = MakeMByteString(((PARVAL *) p->data)->cname);
fprintf(pvalh,
"/* line %d \"%s\" */\n",
((PARVAL *) p->data)->line,
iffile);
fprintf(pvalh, "#define %s \"", mb_cname);
m_free(mb_cname,"multi-byte string");
if ((q = ((PARVAL *) p->data)->value))
for ( ; *q ; q++)
{
char mbq[32]; /* larger than largest possible mbyte char */
int length;
length = wctomb(mbq, *q);
if (length == 1)
switch (*mbq)
{
case '\n':
fputs("\\n", pvalh);
break;
case '"':
fputs("\\\"", pvalh);
break;
default:
putc(*mbq, pvalh);
break;
}
else
fputs(mbq, pvalh);
}
fputs("\"\n", pvalh);
}
}
/* Skip rest of statement after an error */
void skiptoend(void)
{
int i;
static int errlev = 0;
CVARSTRUCT *cvarp, *dvarp;
for (cvarp = cvarlist ; cvarp ;) {
dvarp = cvarp;
m_free(cvarp->cvarptr, "C variable name");
cvarp = cvarp->next;
m_free(dvarp, "C variable");
}
cvarlist = NULL;
freechain();
if (! errlev++) {
curcon = ERROR;
while (TRUE) {
i = scan();
if (i == ENDFILE) break;
else if (i == ELT) {
if (restart <= RSIGNON) endsignon();
restart = RELEMENT;
curcon = NEEDN;
break;
}
else if (i == GDEF && restart < RGLOBDEF) {
if (restart <= RSIGNON) endsignon();
restart = RGLOBDEF;
curcon = GLOBDEF;
break;
}
else if (i == GDEC && restart < RGLOBDEC) {
if (restart <= RSIGNON) endsignon();
restart = RGLOBDEC;
curcon = GLOBDEC;
break;
}
else if (i == SIGNON && restart < RSIGNON) {
curcon = INSIGNON;
restart = RSIGNON;
break;
}
else if (i == ENTSTART && restart == RENTITY) {
curcon = ENTDEC;
break;
}
curcon = ERROR;
} /* end while */
} /* end if ! errlev */
errlev--;
}
/* Starts processing a code segment from the input file */
void startcode(caseno, flag, file, prefix, proto, formal, formtype)
int caseno;
LOGICAL *flag;
FILE *file;
char *prefix;
char *proto;
char *formal;
char *formtype;
{
CVARSTRUCT *cvarp;
endcode(*flag, file);
*flag = TRUE;
/* protoype */
fprintf(file,
"void m_%s%d(%s) ;\n",
prefix,
caseno,
proto);
/* ANSI defines */
fprintf(file, "void m_%s%d(%s)\n {\n", prefix, caseno, proto);
for (cvarp = cvarlist ; cvarp ; cvarp = cvarp->next)
{
char *mb_cvarptr;
mb_cvarptr = MakeMByteString(cvarp->cvarptr);
fprintf(file, " M_WCHAR *%s ;\n", mb_cvarptr);
m_free(mb_cvarptr,"multi-byte string");
}
for (cvarp = cvarlist ; cvarp ; cvarp = cvarp->next)
{
char *mb_cvarptr;
mb_cvarptr = MakeMByteString(cvarp->cvarptr);
fprintf(file,
" m_setparam(&%s, %d) ;\n",
mb_cvarptr,
cvarp->param);
m_free(mb_cvarptr,"multi-byte string");
}
fprintf(file, "{\n/* line %d \"%s\" */\n", m_line, iffile); /* balance "}" */
}
/* Begins processing a new element */
void startelement(void)
{
CVARSTRUCT *cvarp;
CVARSTRUCT *discard;
for (cvarp = cvarlist ; cvarp ; ) {
discard = cvarp;
m_free(cvarp->cvarptr, "C variable name");
cvarp = cvarp->next;
m_free(discard, "C variable");
}
cvarlist = NULL;
if ((openelt = m_packedlook(m_entree, name))) {
if (processed[openelt - 1])
warning1("Warning: Element %s already processed", name);
processed[openelt - 1] = TRUE;
}
else m_err1("Undefined element: %s", name);
}
/* Stores the name of a C variable read from the input file */
void storecvar(void)
{
CVARSTRUCT *new;
new = (CVARSTRUCT *) m_malloc(sizeof(CVARSTRUCT), "C variable");
new->cvarptr = (M_WCHAR *) m_malloc(w_strlen(name) + 1,
"C variable name");
w_strcpy(new->cvarptr, name);
new->next = cvarlist;
cvarlist = new;
}
/* Compares the parameter name associated with a C variable in the input
file with the names of all parameters of the current element. Stores
result for later output with code segments */
void storepname(void)
{
int i, par;
for (i = 0, par = m_element[openelt - 1].parptr;
i < m_element[openelt - 1].parcount;
i++, par++)
if (! w_strcmp(&m_pname[m_parameter[par - 1].paramname], name))
break;
if (i >= m_element[openelt - 1].parcount) {
m_err2("%s: No such parameter for element %s", name,
&m_ename[m_element[openelt - 1].enptr]);
return;
}
cvarlist->param = i;
}
/* Called when a possible parameter value to be defined is encountered */
void value(p)
M_WCHAR *p;
{
char buffer[5];
if (m_partype(cvarlist->param + m_element[openelt - 1].parptr, p))
{
if (pval->line)
{
if (w_strcmp(pval->value, p))
{
M_WCHAR *w_buffer;
snprintf(buffer, 5, "%d", pval->line);
w_buffer = MakeWideCharString(buffer);
m_err5("Can't #define %s to %s. %s #define'd to %s on line %s",
pval->cname,
p,
pval->cname,
pval->value,
w_buffer);
m_free(w_buffer, "wide character string");
}
}
else {
pval->value = (M_WCHAR *) m_malloc(w_strlen(p) + 1, "pval value");
w_strcpy(pval->value, p);
pval->line = m_line;
}
}
else m_err3("\"%s\" illegal value for parameter %s of %s",
p,
&m_pname[m_parameter[cvarlist->param +
m_element[openelt - 1].parptr - 1].paramname],
&m_ename[m_element[openelt-1].enptr]);
}
#include "paramu.c"
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