forked from Singular/Singular
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libparse.ll
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libparse.ll
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%{
/****************************************
* Computer Algebra System SINGULAR *
****************************************/
/* $Id$ */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <kernel/mod2.h>
#ifdef STANDALONE_PARSER
#include <Singular/utils.h>
# ifdef HAVE_FACTORY
int initializeGMP(){ return 1; } // NEEDED FOR MAIN APP. LINKING!!!
int mmInit(void) {return 1; } // ? due to SINGULAR!!!...???
# endif
#define HAVE_LIBPARSER
#define YYLPDEBUG 1
#define myfread fread
#else
#include <Singular/subexpr.h>
#include <Singular/grammar.h>
#include <Singular/ipshell.h>
#include <Singular/ipid.h>
#include <Singular/tok.h>
#include <misc/options.h>
#include <kernel/febase.h>
#include <omalloc/omalloc.h>
#endif
#include <Singular/libparse.h>
#ifdef HAVE_LIBPARSER
#define YY_SKIP_YYWRAP
typedef enum { LP_NONE, LP_INFO, LP_CATEGORY, LP_URL, LP_VERSION} lib_cmds;
int libread(FILE* f, char* buf, int max_size);
int current_pos(int i);
void print_version(lp_modes mode, char *p);
void copy_string(lp_modes mode);
extern void piCleanUp(procinfov pi);
void make_version(char *p, int what);
int brace1 = 0; /* { } */
int brace2 = 0; /* ( ) */
int brace3 = 0; /* [ ] */
int quote = 0; /* " */
int offset = 0;
BOOLEAN p_static = FALSE;
int old_state = 0;
lib_cmds last_cmd = LP_NONE;
char libnamebuf[128];
char *text_buffer=NULL;
long string_start;
char *yylp_buffer_start;
#ifndef NEW_FLEX
int yylplineno = 1;
#endif /* NEW_FLEX */
int lpverbose = 0, check = 0;
int texinfo_out = 0;
int found_info=0,
found_cat=0,
found_version=0,
found_oldhelp = 0,
found_proc_in_proc = 0;
const char *yylp_errlist[]= {
"",
"missing close bracket ')' for proc definition in line %d.", /* 1 */
"missing close bracket ')' for procbody in line %d.", /* 2 */
"missing close bracket ']' for procbody in line %d.", /* 3 */
"too many ')' closed brackets in line %d.", /* 4 */
"too many ']' closed brackets in line %d.", /* 5 */
"missing close bracket ')' for example in line %d.", /* 6 */
"missing close bracket ']' for example in line %d.", /* 7 */
"cannot assign character '%c' in line %d to any group.", /* 8 */
"there must be a quote missing somewhere before line %d.", /* 9 */
"missing close bracket '}' at end of library in line %d.", /* 10 */
"missing close bracket ')' at end of library in line %d.", /* 11 */
"missing close bracket ']' at end of library in line %d.", /* 12 */
NULL
};
int yylp_errno = 0;
#ifdef STANDALONE_PARSER
procinfov pi;
int category_out = 0;
void printpi(procinfov pi);
void pi_clear(procinfov pi);
extern "C" {
int yylpwrap();
}
void main_init(int argc, char *argv[]);
void main_result(char *libname);
#else /* STANDALONE_PARSER */
idhdl h0;
idhdl h_top;
#define pi IDPROC(h0)
extern "C"
{
int yylpwrap();
}
extern libstackv library_stack;
#endif /* STANDALONE_PARSER */
static unsigned long help_chksum;
#define SET_DEF_END(mode, pi, p) \
if ( mode == LOAD_LIB) pi->data.s.def_end = p;
#define SET_HELP_START(mode, pi, p) \
if ( mode == LOAD_LIB) {pi->data.s.help_start = p; help_chksum = 0;}
#define SET_HELP_END(mode, pi, p) \
if ( mode == LOAD_LIB) {pi->data.s.help_end = p; \
pi->data.s.help_chksum = help_chksum;}
#define SET_BODY_START(mode, pi, l, p) \
if ( mode == LOAD_LIB) \
{ \
pi->data.s.body_lineno = l; \
pi->data.s.body_start = p; \
}
#define SET_BODY_END(mode, pi, p) \
if ( mode == LOAD_LIB) \
{ \
pi->data.s.body_end = p-1; \
pi->data.s.proc_end = p-1; \
}
#define SET_EXAMPLE_START(mode, pi, l, p) \
if ( mode == LOAD_LIB) \
{ \
pi->data.s.example_lineno = l; \
pi->data.s.example_start = p; \
}
#define SET_PROC_END(mode, pi, p) \
if ( mode == LOAD_LIB) \
{ \
pi->data.s.proc_end = p-1; \
if(pi->data.s.body_end==0) \
pi->data.s.body_end = p-1; \
}
#define ROTATE_RIGHT(c) if ((c) & 01) (c) = ((c) >>1) + 0x8000; else (c) >>= 1;
#define IncrCheckSum(c) \
do \
{ \
ROTATE_RIGHT(help_chksum); \
help_chksum += c; \
help_chksum &= 0xffff; \
} \
while(0)
#undef YY_DECL
#define YY_DECL int yylex(char *newlib, char *libfile, \
lib_style_types *lib_style, \
idhdl pl, BOOLEAN autoexport, lp_modes mode)
#undef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
if ( ((result = libread( (yyin), (char *) buf, max_size )) < 0 ) \
&& ferror( yyin ) ) \
YY_FATAL_ERROR( "read in flex scanner failed" );
#define YY_USER_INIT { \
BEGIN(header); \
yylplineno = 1; \
yylp_errno = 0; \
*lib_style = OLD_LIBSTYLE; \
strcpy(libnamebuf,"(**unknown version**)"); \
}
#if 0
<pbody>proc[ \t]+{name} {
printf("MISSING: PROC-cmd found. ERROR!\n"); }
<pbody>example[ \t]*\n {
yylplineno++;
printf("MISSING: EXAMPLE-cmd found. ERROR!\n"); }
info=+"\"" {
#endif
%}
digit [0-9]
letter [@a-zA-Z\']
name ({letter}({letter}*{digit}*_*)*|_)
varname ({letter}({letter}*{digit}*_*\(\))*|_|#)
letters ({letter}|{digit}|[_./#%^*:,])
string ({letters}*)
comment [\/][\/]
dolar [$]
nls [\n\r]
symbols [~!@#$%^&*()_+-=\\\|\[\];:,<.>/\?\' \t\~\`]
asymbols ({symbols}|[{}])
bsymbols ({symbols}|{escbrack}|[}])
aletters ({letter}|{digit}|{asymbols}|{dolar}|{escquote}|{nls})
bletters ({letter}|{digit}|{bsymbols}|{dolar}|{quote}|{nls})
cletters ({letter}|{digit}|{asymbols}|{dolar}|{quote})
strings ({aletters}*)
escstrings ({bletters}*)
fstring ({cletters}*)
param ({name}+{tos}+{varname})
parameters ({param}(,{param})*)
paramlist ("("{parameters}")")
quote [\"]
escquote (\\\")
escbrack (\\\{)
tnl ([ \t\n\r]*)
eos ({quote}+{tnl}+"{")
tos ([ \t]*)
eq ([ \t]*+=[ \t]*)
eqnl ([ \t\n\r]*+=[ \t\n\r]*)
/* %start START */
%x header
%x help
%x libcmd
%x libcmd2
%x pdef
%x phead
%x poldhelp
%x phelp
%x pbody
%x pstr
%x pexample
%x pestr
%x string
%x comment
%x info
%x category
%x url
%x version
%%
(\/\/[^\n]*)|(^#![^\n]*)|([ \t]) { }
\/\/* { old_state = YYSTATE; BEGIN(comment); }
(info+{eqnl}+{quote}+{strings}+{quote}) {
yyless(4); old_state = YYSTATE; BEGIN(info);
}
(category+{eqnl}+{quote}+{strings}+{quote}) {
yyless(8); old_state = YYSTATE; BEGIN(category);
}
(url+{eqnl}+{quote}+{strings}+{quote}) {
if ( mode != GET_INFO )
{
#ifdef STANDALONE_PARSER
if (texinfo_out)
{
char *c = yytext;
printf("$url = \"");
while ((*c != '\0') && (*c != '"')) c++;
c++;
while ((*c != '\0') && (*c != '"'))
{
if (*c != '\r') putchar(*c);
c++;
}
printf("\";\n");
}
#endif
}
}
(version+{eqnl}+{quote}+{strings}+{quote}) {
found_version++;
if ( mode != GET_INFO )
{
make_version(yytext,1);
#ifdef STANDALONE_PARSER
if (texinfo_out)
{
char *c = libnamebuf;
printf("$version = \"");
while (*c != '\0')
{
if (*c == '$' || *c == '@') putchar('\\');
if (*c != '\r') putchar(*c);
if (*c == '\\')
{
c++;
if (*c != '"') putchar('\\');
}
else
c++;
}
printf("\";\n");
}
else if (!category_out)
printf("Version:%s;\n", libnamebuf);
#else
if (text_buffer!=NULL) omFree((ADDRESS)text_buffer);
text_buffer = omStrDup(libnamebuf);
omMarkAsStaticAddr(text_buffer);
#endif
}
}
static { p_static=TRUE; }
(proc[ \t]+{name})|([ \t]proc[ \t]+{name}) {
char proc[256];
BEGIN(pdef);
found_proc_in_proc = 0;
proc[0]='\0';
sscanf( yytext, "%*[^p]proc %s", proc);
if(strlen(proc)<1) sscanf( yytext, "proc %s", proc);
#if YYLPDEBUG > 1
printf("Newlib:%s\n", newlib);
#endif
#ifdef STANDALONE_PARSER
if ( pi != NULL )
{
printpi(pi);
pi_clear(pi);
}
#ifdef STANDALONE_PARSER
pi = (procinfo *)malloc(sizeof(procinfo));
#else
pi = (procinfo *)omAlloc(sizeof(procinfo));
#endif
iiInitSingularProcinfo(pi, newlib, proc, yylplineno,
current_pos(0), p_static);
#else /*STANDALONE_PARSER*/
if( mode == LOAD_LIB)
{
h0 = enterid( proc, 0 /*myynest*/, PROC_CMD,
&(IDPACKAGE(pl)->idroot), TRUE, !p_static);
if (h0==NULL) return(1);
if((!p_static) && autoexport)
{
package save=currPack;
currPack=basePack;
h_top = enterid( proc, 0 /*myynest*/, PROC_CMD,
&(basePack->idroot), FALSE );
currPack=save;
if (h_top==NULL) return(1);
}
/* omCheckAddr(IDID(h0)); */
if (h0!=NULL)
{
iiInitSingularProcinfo(IDPROC(h0), newlib, proc,
yylplineno, current_pos(0),p_static);
if ((!p_static) && (h_top != NULL) && autoexport)
{
if(IDPROC(h_top)!=NULL) piCleanUp((procinfo *)IDPROC(h_top));
IDPROC(h_top)=IDPROC(h0);
IDPROC(h_top)->ref++;
}
IDPROC(h0)->pack=IDPACKAGE(pl);
if (BVERBOSE(V_LOAD_PROC))
Warn( " proc '%s' registered", proc );
}
#endif /*STANDALONE_PARSER*/
SET_DEF_END(mode, pi, current_pos(yyleng+1));
#if YYLPDEBUG
if(lpverbose)
{
printf("// PROCEDURE '%s' status: %s, ", proc,
p_static ? "local" : "global");
printf("starting at line %d,%d: definition end: %d (%d).\n",
yylplineno, current_pos(0), (int)pi->data.s.def_end, brace1);
}
#endif
p_static=FALSE;
#ifndef STANDALONE_PARSER
}
#endif /*STANDALONE_PARSER*/
}
example {
BEGIN(pexample);
SET_EXAMPLE_START(mode, pi, yylplineno, current_pos(0));
#if YYLPDEBUG
if(lpverbose)
{
printf("// EXAMPLE at line %d,%d (%d)\n", yylplineno,
current_pos(0), brace1);
}
#endif
}
LIB[ \t]+"\"" { quote++;
BEGIN(libcmd);
}
LIB[ \t]*"(\"" { quote++; brace2++;
BEGIN(libcmd2);
}
<header>({comment}+{tos}+{dolar}+Id:+{string}+[^\n]*)|({comment}+{tos}+{dolar}+Header:+{string}+[^\n]*) {
make_version(yytext, 0);
#if YYLPDEBUG > 1
printf("+(id)HEAD:%s\n", yytext);
#endif
}
<header>(^{comment}+[^\n]*) {
#if YYLPDEBUG
printf("+(cmt)HEAD:%s\n", yytext);
#endif
}
<header>(^#![^\n]*) {
#if YYLPDEBUG > 1
printf("-HEAD:%s\n", yytext);
#endif
}
<header>^proc\ { yyless(0);
BEGIN(INITIAL);
yymore();
}
<header>(info+{eqnl}+{quote})|(version+{eqnl}+{quote})|(category+{eqnl}+{quote})|(url+{eqnl}+{quote}) {
yyless(0);
*lib_style = NEW_LIBSTYLE;
BEGIN(INITIAL);
yymore();
}
<header>^LIB[ \t]+"\"" { quote++;
BEGIN(libcmd);
}
<header>^LIB[ \t]+"(\"" { quote++; brace2++;
BEGIN(libcmd2);
}
<header>\n { yylplineno++; }
<header>. {
#if YYLPDEBUG > 1
printf(" HEAD:%s\n", yytext);
#endif
yyless(0);
BEGIN(help);
}
<help>(^{comment}+[^\n]*) {
#if YYLPDEBUG > 1
printf(" HELP:%s\n", yytext);
#endif
BEGIN(INITIAL); }
<help>(^#![^\n]*) {
#if YYLPDEBUG > 1
printf(" HELP:%s\n", yytext);
#endif
BEGIN(INITIAL);
}
<help>(info+{eqnl}+{quote})|(version+{eqnl}+{quote})|(category+{eqnl}+{quote})|(url+{eqnl}+{quote}) {
yyless(0);
*lib_style = NEW_LIBSTYLE;
BEGIN(INITIAL);
yymore();
}
<help>^proc\ {
yyless(0);
//printf("2) proc found.\n");
BEGIN(INITIAL);
yymore();
}
<help>^LIB[ \t]+"\"" { quote++;
BEGIN(libcmd);
}
<help>^LIB[ \t]+"(\"" { quote++; brace2++;
BEGIN(libcmd2);
}
<help>\n { yylplineno++; }
<help>({tos}|{comment}+{fstring}) {
#if YYLPDEBUG
if(lpverbose>2) printf("--->%s<---\n", yytext);
#endif
}
<help>. {
found_oldhelp=1;
#if YYLPDEBUG > 1
printf("-HELP:%s\n", yytext);
#endif
}
<libcmd>{string}"\"" { quote--;
yytext[yyleng-1] = '\0';
#ifndef STANDALONE_PARSER
if ( mode == LOAD_LIB )
{
library_stack->push(newlib, yytext);
}
#endif /* STANDALONE_PARSER */
#if YYLPDEBUG
if(lpverbose>1) printf("LIB:'%s'\n", yytext);
#endif
BEGIN(INITIAL);
}
<libcmd2>{string}"\")" { quote--; brace2--;
yytext[yyleng-1] = '\0';
#ifndef STANDALONE_PARSER
if ( mode == LOAD_LIB )
{
library_stack->push(newlib, yytext);
}
#endif /* STANDALONE_PARSER */
#if YYLPDEBUG
if(lpverbose>1) printf("LIB:'%s'\n", yytext);
#endif
BEGIN(INITIAL);
}
<pdef>[ \t] { }
<pdef>\( {
brace2++;
#if YYLPDEBUG > 1
printf("%s", yytext);
#endif
}
<pdef>\) {
brace2--;
#if YYLPDEBUG > 1
printf(">%s<\n", yytext);
printf("{=%d, (=%d, [=%d\n", brace1, brace2, brace3);
#endif
if(brace2<=0)
{
#if YYLPDEBUG > 1
printf("BEGIN(phead){=%d, (=%d, [=%d\n", brace1, brace2, brace3);
#endif
SET_DEF_END(mode, pi, current_pos(yyleng));
BEGIN(phead);
}
}
<pdef>"{" {
if(brace2>0)
{
#if YYLPDEBUG > 1
printf("{=%d, (=%d, [=%d\n", brace1, brace2, brace3);
#endif
yylp_errno = YYLP_DEF_BR2;
return(1);
}
else
{
brace1++; BEGIN(pbody);
if(lpverbose)
printf("// BODY at line %d,%d (%d)\n", yylplineno,
current_pos(0), brace1);
SET_BODY_START(mode, pi, yylplineno, current_pos(0));
}
}
<pdef>\n { yylplineno++;
if(brace2<=0)
{
#if YYLPDEBUG > 1
printf("BEGIN(phead-2){=%d, (=%d, [=%d\n", brace1, brace2, brace3);
#endif
BEGIN(phead);
}
}
<pdef>({comment}[^\n]*) { }
<pdef>\/\/* { old_state = YYSTATE; BEGIN(comment); }
<pdef>. {
if(brace2<=0)
{
BEGIN(phead);
yyless(0);
}
}
<phead>({tnl}+{quote}+{strings}+{escquote}+{tnl}+"{") {
#if YYLPDEBUG
if(lpverbose>2)printf("0-Len=%d;\n", yyleng);
#endif
if(check)
{
printf("Procedure %s (line %d) has OLD-STYLE-HELP!\n",
pi->procname, pi->data.s.proc_lineno);
}
SET_HELP_START(mode, pi, current_pos(0));
BEGIN(poldhelp);
yyless(0);
}
<phead>({tnl}+{quote}+{strings}+{eos}) {
#if YYLPDEBUG
if(lpverbose>2)printf("1-Len=%d;\n", yyleng);
#endif
BEGIN(phelp);
yyless(0);
}
<phead>{escstrings}+"{" {
if(check && yyleng>2)
{
printf("Procedure %s (line %d) has OLD-STYLE-HELP!\n",
pi->procname, pi->data.s.proc_lineno);
}
#if YYLPDEBUG
if(lpverbose>2 && yyleng>2)
printf("2-Len=%d, %s;\n", yyleng, pi->procname);
#endif
SET_HELP_START(mode, pi, current_pos(0));
BEGIN(poldhelp);
yyless(0);
}
<phead>. { printf("[%s]", yytext); }
<poldhelp>{escbrack} { }
<poldhelp>"{" {
SET_HELP_END(mode, pi, current_pos(0));
brace1++; BEGIN(pbody);
if(lpverbose)
{
printf("// HELP from %d to %d\n",
(int)pi->data.s.help_start, (int)pi->data.s.help_end);
printf("// BODY at line %d,%d (%d)\n", yylplineno,
current_pos(0), brace1);
}
#if YYLPDEBUG > 1
printf("BEGIN(pbody){=%d, (=%d, [=%d\n", brace1, brace2, brace3);
#endif
SET_BODY_START(mode, pi, yylplineno, current_pos(0));
#if YYLPDEBUG > 1
printf("BODY at %d/%d", yylplineno, current_pos(0));
#endif
}
<poldhelp>\n { yylplineno++; }
<poldhelp>. { }
<phelp>{quote} {
old_state = YYSTATE;
BEGIN(string);
SET_HELP_START(mode, pi, current_pos(1));
}
<phelp>{tos} {}
<phelp>"{" {
brace1++; BEGIN(pbody);
if(lpverbose)
{
printf("// HELP from %d to %d\n",
(int)pi->data.s.help_start, (int)pi->data.s.help_end);
printf("// BODY at line %d,%d (%d)\n", yylplineno,
current_pos(0), brace1);
}
#if YYLPDEBUG > 1
printf("BEGIN(pbody){=%d, (=%d, [=%d\n", brace1, brace2, brace3);
#endif
SET_BODY_START(mode, pi, yylplineno, current_pos(0));
#if YYLPDEBUG > 1
printf("BODY at %d/%d", yylplineno, current_pos(0));
#endif
}
<phelp>\n { yylplineno++;}
<pbody>({comment}[^\n]*) { }
<pbody>{quote} { quote++; old_state = YYSTATE;
BEGIN(string); /* printf("%s", yytext); */
}
<pbody>proc+{tos}+{name}+{tnl}+{paramlist}+{tnl}+"{" {
if(check) printf("*** found 2 proc whithin procedure '%s'.\n",
pi->procname);
yyless(yyleng-1);
}
<pbody>proc+{tos}+{name}+{tnl}+"{" {
if(check) printf("*** found 1 proc whithin procedure '%s'.\n",
pi->procname);
yyless(yyleng-1);
}
<pbody>"{" {
brace1++;
#if YYLPDEBUG > 1
printf("line: %d, (%d)%s\n", yylplineno, brace1, yytext);
#endif
}
<pbody>"}" {
#if YYLPDEBUG > 1
printf("line: %d, (%d)%s\n",
yylplineno, brace1, yytext);
#endif
brace1--;
if(brace2>0)
{
yylp_errno = YYLP_BODY_BR2;
return(1);
}
if(brace3>0)
{
yylp_errno = YYLP_BODY_BR3;
return(1);
}
if(brace1<=0)
{
SET_BODY_END(mode, pi, current_pos(yyleng));
SET_PROC_END(mode, pi, current_pos(yyleng));
#if YYLPDEBUG > 1
printf("-%d\n", current_pos(0));
#endif
BEGIN(INITIAL);
}
}
<pbody>"(" {
brace2++; /* printf("%s", yytext); */
}
<pbody>")" {
brace2--; /* printf("%s", yytext); */
if(brace2<0) {
yylp_errno = YYLP_BODY_TMBR2;
return(1);
}
}
<pbody>"[" {
brace3++; /* printf("%s", yytext); */
}
<pbody>"]" {
brace3--; /* printf("%s", yytext); */
if(brace3<0) {
yylp_errno = YYLP_BODY_TMBR3;
return(1);
}
}
<pbody>\n { yylplineno++; }
<pbody>. { }
<info>{quote} {
quote++; BEGIN(string);
found_info++;
string_start = current_pos(yyleng);
*lib_style = NEW_LIBSTYLE;
last_cmd = LP_INFO;
}
<info>\n { yylplineno++; }
<info>. { }
<category>{quote} {
quote++; BEGIN(string);
found_cat++;
string_start = current_pos(yyleng);
*lib_style = NEW_LIBSTYLE;
last_cmd = LP_CATEGORY;
}
<category>\n { yylplineno++; }
<category>. { }
<string>"\"" { quote--;
copy_string(mode);
last_cmd = LP_NONE;
if(old_state==phelp)
{
SET_HELP_END(mode, pi, current_pos(0));
}
BEGIN(old_state); /* printf("%s", yytext); */
}
<string>(\\\\)|(\\\") { if (old_state == phelp) IncrCheckSum(*yytext);}
<string>\n { yylplineno++; if (old_state == phelp) IncrCheckSum('\n');}
<string>. { if (old_state == phelp) IncrCheckSum(*yytext);}
<pexample>(\/\/[^\n]*) { }
<pexample>"\"" { quote++; old_state = YYSTATE;
BEGIN(string); /* printf("%s", yytext); */
}
<pexample>"{" {
brace1++; /* printf("(%d)%s", brace1, yytext); */
}
<pexample>"}" {
brace1--; /* printf("(%d)%s", brace1, yytext); */
if(brace1<=0) {
if(brace2>0) { yylp_errno=YYLP_EX_BR2; return(1); }
if(brace3>0) { yylp_errno=YYLP_EX_BR3; return(1); }
BEGIN(INITIAL);
SET_PROC_END(mode, pi, current_pos(yyleng));
}
}
<pexample>"(" {
brace2++; /* printf("%s", yytext); */
}
<pexample>")" {
brace2--; /* printf("%s", yytext); */
}
<pexample>"[" {
brace3++; /* printf("%s", yytext); */
}
<pexample>"]" {
brace3--; /* printf("%s", yytext); */
}
<pexample>\n { yylplineno++; }
<pexample>. { }
<pestr>"\"" { quote--;
BEGIN(pexample); /* printf("%s", yytext); */
}
<pestr>\\\\ { }
<pestr>\\\" { }
<pestr>\n { yylplineno++; }
<pestr>. { }
<comment>\*\/ { BEGIN(old_state); }
<comment>\n { yylplineno++; }
<comment>. { }
\n { yylplineno++; }
\r { }
; { p_static = FALSE;
#if YYLPDEBUG > 1
printf("%s", yytext);
#endif
}
. { p_static = FALSE;
yylp_errno = YYLP_BAD_CHAR;
#ifdef STANDALONE_PARSER
printf("[%d]", *yytext);
#else
if (text_buffer!=NULL) omFree((ADDRESS)text_buffer);
text_buffer = omStrDup(yytext);
omMarkAsStaticAddr(text_buffer);
#endif
#if YYLPDEBUG > 1
printf("[%s]", yytext);
#endif
return(1);
}
%%
int current_pos(int i)
{
return(i+offset+(int)(yytext-yylp_buffer_start));
}
int libread(FILE* f, char* buf, int max_size)
{ int rc;
offset = ftell(f);
rc = myfread( buf, 1, max_size, f );
#if YYLPDEBUG >2
printf("fread: %d of %d\n", rc, max_size);
#endif
yylp_buffer_start = buf;
return rc;
}
extern "C" {
int yylpwrap()
{
//printf("======================= YYWRAP ====================\n");
if(brace1>0) { yylp_errno=YYLP_MISS_BR1; }
if(brace2>0) { yylp_errno=YYLP_MISS_BR2; }
if(brace3>0) { yylp_errno=YYLP_MISS_BR3; }
if(quote>0) { yylp_errno=YYLP_MISSQUOT; }
/* printf("{=%d, (=%d, [=%d\n", brace1, brace2, brace3);/**/
if(feof(yyin)) return 1; else return 0;
}
}
void reinit_yylp()
{
brace1 = 0;
brace2 = 0;
brace3 = 0;
quote = 0;
yy_init=1;
yy_delete_buffer(YY_CURRENT_BUFFER);
}
void make_version(char *p,int what)
{
char ver[10];
char date[16];
ver[0]='?'; ver[1]='.'; ver[2]='?'; ver[3]='\0';
date[0]='?'; date[1]='\0';
if(what) sscanf(p,"%*[^=]= %*s %*s %10s %16s",ver,date);
else sscanf(p,"// %*s %*s %10s %16s",ver,date);
strcpy(libnamebuf,"(");
strcat(libnamebuf,ver);
strcat(libnamebuf,",");
strcat(libnamebuf,date);
strcat(libnamebuf,")");
if(what && strcmp(libnamebuf, "(?.?,?)")==0)
{
sscanf(p,"%*[^\"]\"%[^\"]\"",libnamebuf);
}
//printf("ID=(%d)%s; \n", what, p);
}
void copy_string(lp_modes mode)
{
#ifdef STANDALONE_PARSER
if ((texinfo_out
&& (last_cmd == LP_INFO || last_cmd == LP_CATEGORY || last_cmd == LP_URL))
|| (category_out && last_cmd == LP_CATEGORY)
)
{
long current_location = ftell(yylpin), i = string_start, quote = 0;
char c;
if (texinfo_out)
{
if (last_cmd == LP_INFO)
{
printf("$info = <<EOT;\n");
}
else if (last_cmd == LP_URL)
{
printf("$url = <<EOT;\n");
}
else
{
printf("$category = <<EOT;\n");
}
}
fseek (yylpin, i, SEEK_SET);
while (i< current_location)
{
c = fgetc(yylpin);
if (c == '\\')
{
quote = (! quote);
}
else if (c == '"')
{
if (! quote) break;
}
else
quote = 0;
if (c == '@' || c == '$') putchar('\\');
if (c != '\r') putchar(c);
i++;
}
if (category_out) exit(0);
fseek (yylpin, current_location, SEEK_SET);
printf("\nEOT\n");
}
#else
if((last_cmd == LP_INFO)&&(mode == GET_INFO))
{
int i, offset=0;
long current_location = ftell(yylpin);
int len = (int)(current_pos(0) - string_start);
fseek(yylpin, string_start, SEEK_SET);
if (text_buffer!=NULL) omFree((ADDRESS)text_buffer);
text_buffer = (char *)omAlloc(len+2);
omMarkAsStaticAddr(text_buffer);
myfread(text_buffer, len, 1, yylpin);
fseek(yylpin, current_location, SEEK_SET);
text_buffer[len]='\0';
offset=0;
for(i=0;i<=len; i++)
{
if(text_buffer[i]=='\\' &&
(text_buffer[i+1]=='\"' || text_buffer[i+1]=='{' ||
text_buffer[i+1]=='}' || text_buffer[i+1]=='\\'))
{
i++;
offset++;
}
if(offset>0) text_buffer[i-offset] = text_buffer[i];
}
}
#endif /* STANDALONE_PARSER */
}
void print_init()
{
printf("Init=%d\n", yy_init);
}
void print_version(lp_modes mode, char *p)
{
#ifdef STANDALONE_PARSER
//printf("loading %s%s", p, libnamebuf);
#else
if ( mode == LOAD_LIB )
{
if (BVERBOSE(V_LOAD_LIB) && p!=NULL ) Print(" %s...", p);
//Warn( "loading %s%s", p, libnamebuf);
}
#endif
}
#ifdef STANDALONE_PARSER
main( int argc, char *argv[] )
{
lib_style_types lib_style;
main_init(argc, argv);
if(yyin == NULL)
{
fprintf(stderr, "No library found to parse.\n");
exit(1);
}
if (! (texinfo_out || category_out))
{
if(lpverbose)printf("Verbose level=%d\n", lpverbose);
if(check)printf("Reporting most possible annomalies.\n");
if(lpverbose||check)printf("\n");
printf( " %-15s %20s %s,%s %s,%s %s,%s\n", "Library",
"function", "line", "start-eod", "line", "body-eob",
"line", "example-eoe");
}
yylplex(argv[0], argv[0], &lib_style,NULL);
if(yylp_errno)
{
printf("ERROR occured: [%d] ", yylp_errno);
printf(yylp_errlist[yylp_errno], yylplineno);
printf("\n");
}
else if(pi!=NULL) printpi(pi);
if (texinfo_out)