Parse_stat MCGlobal::parse(MCScriptPoint &sp)
{
initpoint(sp);
while (True)
{
Symbol_type type;
Parse_stat stat = sp.next(type);
if (stat == PS_EOL)
return PS_NORMAL;
const LT *te;
MCExpression *newfact = NULL;
if (stat != PS_NORMAL || type != ST_ID
|| sp.lookup(SP_FACTOR, te) != PS_NO_MATCH
|| sp.lookupconstant(&newfact) == PS_NORMAL)
{
delete newfact;
MCperror->add
(PE_GLOBAL_BADNAME, sp);
return PS_ERROR;
}
if (sp.gethandler() == NULL)
sp.gethlist()->newglobal(sp.gettoken_nameref());
else
sp.gethandler()->newglobal(sp.gettoken_nameref());
switch (sp.next(type))
{
case PS_NORMAL:
if (type != ST_SEP)
{
MCperror->add
(PE_STATEMENT_NOTSEP, sp);
return PS_ERROR;
}
break;
case PS_EOL:
case PS_EOF:
return PS_NORMAL;
default:
MCperror->add
(PE_STATEMENT_NOTSEP, sp);
return PS_ERROR;
}
}
return PS_NORMAL;
}
Parse_stat MCLocaltoken::parse(MCScriptPoint &sp)
{
initpoint(sp);
while (True)
{
Symbol_type type;
Parse_stat stat = sp.next(type);
if (stat == PS_EOL)
return PS_NORMAL;
const LT *te;
MCExpression *newfact = NULL;
if (stat != PS_NORMAL || type != ST_ID
|| sp.lookup(SP_FACTOR, te) != PS_NO_MATCH
|| sp.lookupconstant(&newfact) == PS_NORMAL)
{
delete newfact;
MCperror->add(PE_LOCAL_BADNAME, sp);
return PS_ERROR;
}
MCAutoNameRef t_token_name;
/* UNCHECKED */ t_token_name . Clone(sp . gettoken_nameref());
MCExpression *e = NULL;
MCVarref *v = NULL;
if (sp.gethandler() == NULL)
if (constant)
sp.gethlist()->findconstant(t_token_name, &e);
else
sp.gethlist()->findvar(t_token_name, false, &v);
else
if (constant)
sp.gethandler()->findconstant(t_token_name, &e);
else
sp.gethandler()->findvar(t_token_name, &v);
if (e != NULL || v != NULL)
{
MCperror->add(PE_LOCAL_SHADOW, sp);
delete v;
delete e;
return PS_ERROR;
}
MCVariable *tmp;
for (tmp = MCglobals ; tmp != NULL ; tmp = tmp->getnext())
if (tmp -> hasname(t_token_name))
if (MCexplicitvariables)
{
MCperror->add(PE_LOCAL_SHADOW, sp);
return PS_ERROR;
}
MCVarref *tvar = NULL;
MCString init;
bool initialised = false;
if (sp.skip_token(SP_FACTOR, TT_BINOP, O_EQ) == PS_NORMAL)
{
if (sp.next(type) != PS_NORMAL || MCexplicitvariables && type != ST_LIT
&& type != ST_NUM)
{
if (constant)
MCperror->add(PE_CONSTANT_BADINIT, sp);
else
MCperror->add(PE_LOCAL_BADINIT, sp);
return PS_ERROR;
}
if (type == ST_MIN)
{ // negative initializer
const char *sptr = sp.gettoken().getstring();
if (sp.next(type) != PS_NORMAL || type != ST_NUM)
{
if (constant)
MCperror->add(PE_CONSTANT_BADINIT, sp);
else
MCperror->add(PE_LOCAL_BADINIT, sp);
return PS_ERROR;
}
uint4 l = sp.gettoken().getstring() + sp.gettoken().getlength() - sptr;
init.set(sptr, l);
}
else
init = sp.gettoken();
initialised = true;
}
else if (constant)
{
MCperror->add(PE_CONSTANT_NOINIT, sp);
return PS_ERROR;
}
else
init = NULL;
MCAutoNameRef t_init_name;
if (initialised)
/* UNCHECKED */ t_init_name . CreateWithOldString(init);
else
t_init_name . Clone(kMCEmptyName);
if (sp.gethandler() == NULL)
{
if (constant)
sp.gethlist()->newconstant(t_token_name, t_init_name);
else if (sp.gethlist()->newvar(t_token_name, t_init_name, &tvar, initialised) != PS_NORMAL)
{
MCperror->add(PE_LOCAL_BADNAME, sp);
return PS_ERROR;
}
}
else if (constant)
sp.gethandler()->newconstant(t_token_name, t_init_name);
else if (sp.gethandler()->newvar(t_token_name, t_init_name, &tvar) != PS_NORMAL)
{
MCperror->add(PE_LOCAL_BADNAME, sp);
return PS_ERROR;
}
delete tvar;
switch (sp.next(type))
{
case PS_NORMAL:
if (type != ST_SEP)
{
MCperror->add(PE_STATEMENT_NOTSEP, sp);
return PS_ERROR;
}
break;
case PS_EOL:
case PS_EOF:
return PS_NORMAL;
default:
MCperror->add(PE_STATEMENT_NOTSEP, sp);
return PS_ERROR;
}
}
return PS_NORMAL;
}