VAstEnt* VAstEnt::findInsert (VAstType type, const string& name) {
if (debug()) cout<<"VAstEnt::findInsert under="<<this<<" "<<type.ascii()<<"-\""<<name<<"\"\n";
VAstEnt* symp = findSym(name);
if (!symp) {
symp = replaceInsert(type,name);
assert(symp && symp == findSym(name));
}
return symp;
}
/*-----------------------------------------------------------------*/
int
allocVariables (symbol * symChain)
{
symbol *sym;
symbol *csym;
int stack = 0;
int saveLevel = 0;
/* go thru the symbol chain */
for (sym = symChain; sym; sym = sym->next)
{
/* if this is a typedef then add it */
/* to the typedef table */
if (IS_TYPEDEF (sym->etype))
{
/* check if the typedef already exists */
csym = findSym (TypedefTab, NULL, sym->name);
if (csym && csym->level == sym->level)
werror (E_DUPLICATE_TYPEDEF, sym->name);
SPEC_EXTR (sym->etype) = 0;
addSym (TypedefTab, sym, sym->name, sym->level, sym->block, 0);
continue; /* go to the next one */
}
/* make sure it already exists */
csym = findSymWithLevel (SymbolTab, sym);
if (!csym || (csym && csym->level != sym->level))
csym = sym;
/* check the declaration */
checkDecl (csym, 0);
/* if this is a function or a pointer to a */
/* function then do args processing */
if (funcInChain (csym->type))
{
processFuncArgs (csym);
}
/* if this is an extern variable then change */
/* the level to zero temporarily */
if (IS_EXTERN (csym->etype) || IS_FUNC (csym->type))
{
saveLevel = csym->level;
csym->level = 0;
}
/* if this is a literal then it is an enumerated */
/* type so need not allocate it space for it */
if (IS_LITERAL (sym->etype))
continue;
/* generate the actual declaration */
if (csym->level)
{
allocLocal (csym);
if (csym->onStack)
stack += getSize (csym->type);
}
else
allocGlobal (csym);
/* restore the level */
if (IS_EXTERN (csym->etype) || IS_FUNC (csym->type))
csym->level = saveLevel;
}
return stack;
}
