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/*****
* runsystem.in
*
* Runtime functions for system operations.
*
*****/
callable* => voidFunction()
callableBp* => breakpointFunction()
runnable* => primCode()
#include "process.h"
#include "stack.h"
#include "locate.h"
using namespace camp;
using namespace settings;
using vm::bpinfo;
using vm::bplist;
using vm::getPos;
using vm::Default;
using vm::nullfunc;
using vm::item;
using absyntax::runnable;
typedef callable callableBp;
namespace run {
extern string emptystring;
}
function *voidFunction()
{
return new function(primVoid());
}
function *breakpointFunction()
{
return new function(primString(),primString(),primInt(),primInt(),
primCode());
}
void clear(string file, Int line, bool warn=false)
{
bpinfo bp(file,line);
for(mem::list<bpinfo>::iterator p=bplist.begin(); p != bplist.end(); ++p) {
if(*p == bp) {
cout << "cleared breakpoint at " << file << ": " << line << endl;
bplist.remove(bp);
return;
}
}
if(warn)
cout << "No such breakpoint at " << file << ": " << line << endl;
}
namespace run {
void breakpoint(stack *Stack, runnable *r)
{
callable *atBreakpointFunction=processData().atBreakpointFunction;
if(atBreakpointFunction &&
!nullfunc::instance()->compare(atBreakpointFunction)) {
position curPos=getPos();
Stack->push<string>(curPos.filename());
Stack->push<Int>((Int) curPos.Line());
Stack->push<Int>((Int) curPos.Column());
Stack->push(r ? r : vm::Default);
atBreakpointFunction->call(Stack); // returns a string
} else Stack->push<string>("");
}
}
string convertname(string name, const string& format)
{
if(name.empty())
return buildname(outname(),format,"");
name=outpath(name);
return format.empty() ? name : format+":"+name;
}
namespace run {
void purge(Int divisor=0)
{
#ifdef USEGC
if(divisor > 0) GC_set_free_space_divisor((GC_word) divisor);
GC_gcollect();
#endif
}
void updateFunction(stack *Stack)
{
callable *atUpdateFunction=processData().atUpdateFunction;
if(atUpdateFunction && !nullfunc::instance()->compare(atUpdateFunction))
atUpdateFunction->call(Stack);
}
void exitFunction(stack *Stack)
{
callable *atExitFunction=processData().atExitFunction;
if(atExitFunction && !nullfunc::instance()->compare(atExitFunction))
atExitFunction->call(Stack);
}
}
// Autogenerated routines:
string outname()
{
return outname();
}
void atupdate(callable *f)
{
processData().atUpdateFunction=f;
}
callable *atupdate()
{
return processData().atUpdateFunction;
}
void atexit(callable *f)
{
processData().atExitFunction=f;
}
callable *atexit()
{
return processData().atExitFunction;
}
void atbreakpoint(callableBp *f)
{
processData().atBreakpointFunction=f;
}
void breakpoint(runnable *s=NULL)
{
breakpoint(Stack,s);
}
string locatefile(string file, bool full=true)
{
return locateFile(file,full);
}
void stop(string file, Int line, runnable *s=NULL)
{
file=locateFile(file);
clear(file,line);
cout << "setting breakpoint at " << file << ": " << line << endl;
bplist.push_back(bpinfo(file,line,s));
}
void breakpoints()
{
for(mem::list<bpinfo>::iterator p=bplist.begin(); p != bplist.end(); ++p)
cout << p->f.name() << ": " << p->f.line() << endl;
}
void clear(string file, Int line)
{
file=locateFile(file);
clear(file,line,true);
}
void clear()
{
bplist.clear();
}
void warn(string s)
{
Warn(s);
}
void nowarn(string s)
{
noWarn(s);
}
void warning(string s, string t, bool position=false)
{
if(settings::warn(s)) {
em.warning(position ? getPos() : nullPos,s);
em << t;
}
}
// Strip directory from string
string stripdirectory(string *s)
{
return stripDir(*s);
}
// Strip directory from string
string stripfile(string *s)
{
return stripFile(*s);
}
// Strip file extension from string
string stripextension(string *s)
{
return stripExt(*s);
}
// Call ImageMagick convert.
Int convert(string args=emptystring, string file=emptystring,
string format=emptystring)
{
string name=convertname(file,format);
mem::vector<string> cmd;
cmd.push_back(getSetting<string>("convert"));
push_split(cmd,args);
cmd.push_back(name);
bool quiet=verbose <= 1;
char *oldPath=NULL;
string dir=stripFile(outname());
if(!dir.empty()) {
oldPath=getPath();
setPath(dir.c_str());
}
Int ret=System(cmd,quiet ? 1 : 0,true,"convert",
"your ImageMagick convert utility");
if(oldPath != NULL)
setPath(oldPath);
if(ret == 0 && verbose > 0)
cout << "Wrote " << (file.empty() ? name : file) << endl;
return ret;
}
// Call ImageMagick animate.
Int animate(string args=emptystring, string file=emptystring,
string format=emptystring)
{
#ifndef __MSDOS__
string name=convertname(file,format);
if(view()) {
mem::vector<string> cmd;
cmd.push_back(getSetting<string>("animate"));
push_split(cmd,args);
cmd.push_back(name);
return System(cmd,0,false,"animate","your animated GIF viewer");
}
#endif
return 0;
}
void purge(Int divisor=0)
{
purge(divisor);
}
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