static void receive_output_cb(GString *string, GIOCondition condition,
G_GNUC_UNUSED gpointer gdata)
{
if (condition & (G_IO_IN | G_IO_PRI))
{
char *term = string->str + string->len - 1;
const char *error = NULL;
switch (*term)
{
case '\n' : if (string->len >= 2 && term[-1] == '\r') term--; /* falldown */
case '\r' : *term = '\0'; break;
case '\0' : error = "binary zero encountered"; break;
default : error = "line too long or incomplete";
}
if (leading_receive)
debug_parse(string->str, error);
leading_receive = !error;
}
if (!commands->len)
views_update(debug_state());
update_state(debug_state());
}
void debug_rcv(char ch)
{
static int lineptr = 0;
static char linebuff[256];
if ((ch=='\r') || (lineptr==255))
{
linebuff[lineptr] = 0;
if (lineptr)
{
debug_parse(linebuff);
}
lineptr = 0;
SendDebugPrompt;
}
else if (iscntrl(ch))
{
switch (ch)
{
case BS:
if (lineptr)
{
DebugPutChar(ch);
lineptr--;
}
break;
}
}
else
{
linebuff[lineptr++] = ch;
DebugPutChar(ch);
}
}
virtual void visitCodeVar(CodeVar* v2)
{
if (match_eval(v2)) { return; }
POETCode* v2parse = v2->get_parseInfo();
assert (v2parse != 0);
if (v2parse == EMPTY)
PARSE_MISMATCH(v2,r1,lineno); // v2 is built only through scanning
POETCode* pars=0;
switch (v2parse->get_enum()) {
case SRC_OP:
case SRC_XVAR: break; /*QY: parameters are not involved in parsing*/
default: pars = v2->get_entry().get_param();
}
POETCode* r1Save = r1;
try {
if (pars != 0)
v2->get_entry().get_symTable()->push_table(false);
LocalVar* inherit_var = v2->get_entry().get_inherit_var();
if (inherit_var != 0) {
inherit_var->get_entry().set_code( inherit);
if (debug_parse())
std::cerr << inherit_var->toString(OUTPUT_VAR_VAL) << "\n";
}
apply(v2parse,fullmatch);
if (fullmatch != 0) fullmatch=EMPTY;
if (pars != 0) {
/*QY get the values stored in pars*/
pars=ReplaceSingletonListVisitor().apply(pars);
POETCode* cond = v2->get_static_attr("cond");
if (cond != 0 && !AST2Bool(eval_AST(cond)))
PARSE_MISMATCH(v2,pars,lineno);
res = v2->invoke_rebuild(pars);
v2->get_entry().get_symTable()->pop_table();
}
else if (v2->get_entry().get_param() != 0)
{
if (!v2->check_cond(res))
PARSE_MISMATCH(v2,res,lineno);
POETCode* rres = v2->invoke_rebuild(res);
res = rres;
}
else if (v2->get_entry().get_code() != 0)
res = fac->build_codeRef(v2->get_entry(),0);
}
catch (ParseError err) {
if (pars != 0) v2->get_entry().get_symTable()->pop_table();
r1 = r1Save;
throw err;
}
catch (Error err) {
std::cerr << " From parsing code template " << v2->toString() << "\n";
throw err;
}
}