void mstore (header *hd)
{ FILE *file;
ptyp p;
hd=getvalue(hd); if (error) return;
if (hd->type!=s_string)
{ output("Expect file name.\n");
error=1100; return;
}
p.udfend=udfend-ramstart;
p.startlocal=startlocal-ramstart;
p.endlocal=endlocal-ramstart;
p.newram=newram-ramstart;
file=fopen(stringof(hd),"wb");
if (!file)
{ output1("Could not open %s.\n",stringof(hd));
error=1101; return;
}
fwrite(&p,sizeof(ptyp),1,file);
fwrite(ramstart,1,newram-ramstart,file);
if (ferror(file))
{ output("Write error.\n");
error=1102; return;
}
fclose(file);
}
void mrestore (header *hd)
{ FILE *file;
ptyp p;
if (udfon)
{ output("Cannot restore inside a UDF.\n");
error=1; return;
}
hd=getvalue(hd); if (error) return;
if (hd->type!=s_string)
{ output("Expect file name.\n");
error=1100; return;
}
file=fopen(stringof(hd),"rb");
if (!file)
{ output1("Could not open %s.\n",stringof(hd));
error=1103; return;
}
fread(&p,sizeof(ptyp),1,file);
if (ferror(file))
{ output("Read error.\n");
error=1104; return;
}
fread(ramstart,1,p.newram,file);
if (ferror(file))
{ output("Read error (fatal for EULER).\n");
error=1104; return;
}
fclose(file);
udfend=ramstart+p.udfend;
startlocal=ramstart+p.startlocal;
endlocal=ramstart+p.endlocal;
newram=ramstart+p.newram;
next=input_line; *next=0;
}
void load_book (void)
/***** load_book
interpret a notebook file.
*****/
{ header *hd;
char name[256];
char oldline[1024],fn[256],*oldnext;
int oldbooktype=booktype;
FILE *oldinfile;
if (udfon)
{ output("Cannot load a notebook in a function!\n");
error=221; return;
}
scan_space();
if (*next=='(')
{ hd=scan_value();
if (error) return;
if (hd->type!=s_string)
{ output("String value expected!\n");
error=1; return;
}
strcpy(name,stringof(hd));
}
else
{ scan_namemax(name,256);
}
if (error) return;
oldinfile=infile;
infile=fopen(name,"r");
if (!infile)
{ strcpy(fn,name);
strcat(fn,BOOKEXTENSION);
infile=fopen(fn,"r");
if (!infile)
{ output1("Could not open %s!\n",stringof(name));
error=53; infile=oldinfile; return;
}
}
strcpy(oldline,input_line); oldnext=next;
*input_line=0; next=input_line;
booktype=1;
while (!error && infile && !quit)
{ startglobal=startlocal; endglobal=endlocal;
command();
}
booktype=oldbooktype;
if (infile) fclose(infile);
infile=oldinfile;
strcpy(input_line,oldline); next=oldnext;
}
void do_postscript (void)
{ header *file;
scan_space();
file=scan_value();
if (error || file->type!=s_string)
{ output("Postscript needs a filename!\n");
error=201; return;
}
FILE *metafile=fopen(stringof(file),"w");
if (!metafile)
{ output1("Could not open %s.\n",stringof(file));
}
dump_postscript(metafile);
fclose(metafile);
}
int ctest (header *hd)
/**** ctest
test, if a matrix contains nonzero elements.
****/
{ double *m;
LONG n,i;
hd=getvalue(hd); if (error) return 0;
if (hd->type==s_string) return (*stringof(hd)!=0);
if (hd->type==s_real) return (*realof(hd)!=0.0);
if (hd->type==s_complex) return (*realof(hd)!=0.0 &&
*imagof(hd)!=0.0);
if (hd->type==s_matrix)
{ n=(LONG)(dimsof(hd)->r)*dimsof(hd)->c;
m=matrixof(hd);
for (i=0; i<n; i++) if (*m++==0.0) return 0;
return 1;
}
if (hd->type==s_cmatrix)
{ n=(LONG)(dimsof(hd)->r)*dimsof(hd)->c;
m=matrixof(hd);
for (i=0; i<n; i++)
{ if (*m==0.0 && *m==0.0) return 0; m+=2; }
return 1;
}
return 0;
}
void do_exec (void)
{ header *name;
char *s;
name=scan_value(); if (error) return;
if (name->type!=s_string)
{ output("Cannot execute a number or matrix!\n");
error=130; return;
}
s=stringof(name);
while (*s && !isspace(*s)) s++;
if (*s) *s++=0;
if (execute(stringof(name),s))
{ output("Execution failed or program returned a failure!\n");
error=131;
}
}
void do_cd (void)
{ header *hd;
char name[256];
char *s;
scan_space();
if (*next==';' || *next==',' || *next==0)
{ s=cd("");
output1("%s\n",s);
return;
}
if (*next=='(')
{ hd=scan_value();
if (error) return;
if (hd->type!=s_string)
{ output("String value expected!\n");
error=1; return;
}
strcpy(name,stringof(hd));
}
else
{ scan_namemax(name,256);
}
if (error) return;
s=cd(name);
if (*next!=';') output1("%s\n",s);
if (*next==',' || *next==';') next++;
}
void mopen (header *hd)
{ header *st=hd,*hd1,*result;
if (fa) fclose(fa);
hd1=nextof(hd);
hd=getvalue(hd); if (error) return;
hd1=getvalue(hd1); if (error) return;
if (hd->type!=s_string || hd1->type!=s_string) wrong_arg_in("open");
fa=fopen(stringof(hd),stringof(hd1));
if (!fa)
{ error=1;
output("Could not open the file!\n");
return;
}
result=new_real((double)ferror(fa),""); if (error) return;
moveresult(st,result);
}
FeuThing::FeuThing(Feu *feu, TiXmlElement *ele, FeuThing *parent) {
TiXmlAttribute *attr;
TiXmlElement *kid;
FeuThing *kidthing;
std::string name,value;
// Basic element(s)
mFeu = feu;
mType = ele->ValueStr();
mName = "<unnamed>";
// Walk Attribute list, importing as we go
attr = ele->FirstAttribute();
while (attr != NULL) {
name = stringof(attr->Name());
value = attr->ValueStr();
info(" \"" + name + "\" ==> \"" + value + "\"\n");
mAttributes[name] = value; // Store in our map
if (name == "name") mName = value;
attr = attr->Next();
}
// Walk child list, descending as we go
kid = ele->FirstChildElement();
while (kid != NULL) {
kidthing = Feu::convertElement(feu,kid,this);
if (kidthing != NULL) adopt(kidthing);
kid = kid->NextSiblingElement();
}
}
void load_file (void)
/***** load_file
interpret a file.
*****/
{ char filename[256];
char oldline[1024],fn[256],*oldnext;
int oldbooktype=booktype,pn;
header *hd;
FILE *oldinfile;
if (udfon)
{ output("Cannot load a file in a function!\n");
error=221; return;
}
scan_space();
if (*next=='(')
{ hd=scan_value();
if (error) return;
if (hd->type!=s_string)
{ output("String value expected!\n");
error=1; return;
}
strcpy(filename,stringof(hd));
}
else
{ scan_namemax(filename,256);
}
if (error) return;
oldinfile=infile;
pn=-1;
retry :
if (pn>=0)
{ strcpy(fn,path[pn]);
strcat(fn,PATH_DELIM_STR);
strcat(fn,filename);
}
else strcpy(fn,filename);
infile=fopen(fn,"r");
if (!infile)
{ strcat(fn,EXTENSION);
infile=fopen(fn,"r");
pn++;
if (!infile)
{ if (pn>=npath)
{ output1("Could not open %s!\n",filename);
error=53; infile=oldinfile; return;
}
else goto retry;
}
}
strcpy(oldline,input_line); oldnext=next;
*input_line=0; next=input_line;
booktype=0;
while (!error && infile && !quit) command();
booktype=oldbooktype;
if (infile) fclose(infile);
infile=oldinfile;
strcpy(input_line,oldline); next=oldnext;
}
void mwrite (header *hd)
{ header *st=hd,*result;
hd=getvalue(hd); if (error) return;
if (hd->type!=s_string) wrong_arg_in("write");
if (!fa) return;
fprintf(fa,"%s",stringof(hd));
result=new_real(ferror(fa),""); if (error) return;
moveresult(st,result);
}
void do_dump (void)
{ header *file;
if (outfile)
{ if (fclose(outfile))
{ output("Error while closing dumpfile.\n");
}
outfile=0;
}
scan_space();
if (*next==';' || *next==',' || *next==0)
{ if (*next) next++; return; }
file=scan_value();
if (error || file->type!=s_string)
{ output("Dump needs a filename!\n");
error=201; return;
}
outfile=fopen(stringof(file),"a");
if (!outfile)
{ output1("Could not open %s.\n",stringof(file));
}
}
main(int argc, char** argv)
{
int a;
char AH[] = {0,'A',1,[3]='J','E','U',[8]='H',13,0,[6]='O','D',[0]=10};
printf("%s", stringof(AH));
int a = CMD2(3);
do {
printf("%c", a[AH]);
CMD3(AH);
CMD1
break;
} while(0);
http://www.fme.vutbr.cz
printf("%c%c", a[AH], AH[9]);
}
void give_out (header *hd)
/***** give_out
print a value.
*****/
{ switch(hd->type)
{ case s_real : double_out(*realof(hd)); output("\n"); break;
case s_complex : complex_out(*realof(hd),*imagof(hd));
output("\n"); break;
case s_matrix : out_matrix(hd); break;
case s_cmatrix : out_cmatrix(hd); break;
case s_imatrix : out_imatrix(hd); break;
case s_string : output(stringof(hd)); output("\n"); break;
case s_interval : interval_out(*aof(hd),*bof(hd));
output("\n"); break;
default : output("?\n");
}
}
void do_remove (void)
{ header *hd;
char name[256];
if (*next=='(')
{ hd=scan_value();
if (error) return;
if (hd->type!=s_string)
{ output("String value expected!\n");
error=1; return;
}
strcpy(name,stringof(hd));
}
else
{ scan_namemax(name,256);
}
if (error) return;
remove(name);
}
void FeuThing::setAttributeValue(std::string attr, double value) {
double *pVal;
// Does this exist in the fast map?
if (NULL != (pVal = mValues[attr])) {
*pVal = value;
return;
}
// Slow path string map?
if (0 != mAttributes.count(attr)) {
// Got it. Change the string backing store
mAttributes[attr] = stringof(value);
return;
}
// Not found. Bummer.
FeuLog::w("FeuThing:: Attempt to set value of nonexistent attribute \"" + mType + "." + attr + "\".\n");
return;
}
void do_dir (void)
{ header *file;
char *s;
scan_space();
if (*next==';' || *next==',' || *next==0)
{ file=new_string("*.*",5,"");
}
else file=scan_value();
if (error || file->type!=s_string)
{ output("Dir needs a string!\n");
error=201; return;
}
s=dir(stringof(file));
if (!s || !*s) return;
output1("%s\n",s);
while (1)
{ s=dir(0);
if (!s || !*s) break;
output1("%s\n",s);
}
if (*next==',' || *next==';') next++;
}
char*
writerules(char *s, int n)
{
static uchar *text;
char *tmp;
free(lasterror);
lasterror = nil;
parsing = 1;
if(setjmp(parsejmp) == 0){
tmp = stringof(s, n);
text = (uchar*)concat((char*)text, tmp);
free(tmp);
text = morerules(text, s==nil);
}
if(s == nil){
free(text);
text = nil;
}
parsing = 0;
makeports(rules);
return lasterror;
}
void do_path (void)
{ header *ppath;
char s[256],*p,*q;
int i;
scan_space();
if (*next==';' || *next==',' || *next==0)
{ out :
for (i=0; i<npath; i++)
{ output1("%s;",path[i]);
}
output("\n");
return;
}
ppath=scan_value();
if (error || ppath->type!=s_string)
{ output("Path needs a string!\n");
error=201; return;
}
p=stringof(ppath);
for (i=0; i<npath; i++) free(path[i]);
npath=0;
while (*p)
{ q=s;
while (*p && *p!=';') *q++=*p++;
if (q>s && *(q-1)==PATH_DELIM_CHAR) q--;
*q=0;
if (*p==';') p++;
path[npath]=(char *)malloc(strlen(s)+1);
strcpy(path[npath],s);
npath++;
}
if (npath==0)
{ path[0]=(char *)malloc(5);
strcpy(path[0],".");
}
if (*next!=';') goto out;
}
int main(int argc, char **argv)
{
FeuCalculable *fc;
double fc_result;
std::string *expr;
if (argc < 2) {
FeuLog::e("Usage: feucalc <expression>\n");
return -1;
}
expr = new std::string(argv[1]);
FeuLog::i("Calculating result of expression: \""+*expr+"\"\n");
fc = new FeuCalculable(NULL,*expr);
fc_result = fc->proc();
FeuLog::i("============================================================\n","Result is: \"" + stringof(fc_result) + "\"\n");
}