//===----------------------------------------------------------------------===//
#include "llvm/SymbolTable.h"
-#include "llvm/InstrTypes.h"
-#include "llvm/Support/StringExtras.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
-#include "llvm/Method.h"
+#include "llvm/InstrTypes.h"
+#include "Support/StringExtras.h"
+#include <iostream>
+#include <algorithm>
+
+using std::string;
+using std::pair;
+using std::make_pair;
+using std::map;
+using std::cerr;
#define DEBUG_SYMBOL_TABLE 0
#define DEBUG_ABSTYPE 0
}
}
- // TODO: FIXME: BIG ONE: This doesn't unreference abstract types for the planes
- // that could still have entries!
+ // TODO: FIXME: BIG ONE: This doesn't unreference abstract types for the planes
+ // that could still have entries!
#ifndef NDEBUG // Only do this in -g mode...
bool LeftoverValues = true;
for (iterator i = begin(); i != end(); ++i) {
for (type_iterator I = i->second.begin(); I != i->second.end(); ++I)
- if (!isa<ConstPoolVal>(I->second) && !isa<Type>(I->second)) {
+ if (!isa<Constant>(I->second) && !isa<Type>(I->second)) {
cerr << "Value still in symbol table! Type = '"
- << i->first->getDescription() << "' Name = '" << I->first << "'\n";
+ << i->first->getDescription() << "' Name = '"
+ << I->first << "'\n";
LeftoverValues = false;
}
}
// lookup - Returns null on failure...
-Value *SymbolTable::lookup(const Type *Ty, const string &Name) {
+Value *SymbolTable::localLookup(const Type *Ty, const string &Name) {
iterator I = find(Ty);
if (I != end()) { // We have symbols in that plane...
type_iterator J = I->second.find(Name);
return J->second;
}
+ return 0;
+}
+
+// lookup - Returns null on failure...
+Value *SymbolTable::lookup(const Type *Ty, const string &Name) {
+ Value *LV = localLookup(Ty, Name);
+ if (LV) return LV;
return ParentSymTab ? ParentSymTab->lookup(Ty, Name) : 0;
}
void SymbolTable::remove(Value *N) {
assert(N->hasName() && "Value doesn't have name!");
+ if (InternallyInconsistent) return;
iterator I = find(N->getType());
+ assert(I != end() &&
+ "Trying to remove a type that doesn't have a plane yet!");
removeEntry(I, I->second.find(N->getName()));
}
Value *Result = Entry->second;
const Type *Ty = Result->getType();
#if DEBUG_SYMBOL_TABLE
- cerr << this << " Removing Value: " << Result->getName() << endl;
+ dump();
+ std::cerr << " Removing Value: " << Result->getName() << "\n";
#endif
// Remove the value from the plane...
if (Plane->first->isAbstract()) {
#if DEBUG_ABSTYPE
cerr << "Plane Empty: Removing type: " << Plane->first->getDescription()
- << endl;
+ << "\n";
#endif
cast<DerivedType>(Plane->first)->removeAbstractTypeUser(this);
}
const Type *T = cast<const Type>(Result);
if (T->isAbstract()) {
#if DEBUG_ABSTYPE
- cerr << "Removing abs type from symtab" << T->getDescription() << endl;
+ cerr << "Removing abs type from symtab" << T->getDescription() << "\n";
#endif
cast<DerivedType>(T)->removeAbstractTypeUser(this);
}
// name...
//
void SymbolTable::insertEntry(const string &Name, const Type *VTy, Value *V) {
+
// Check to see if there is a naming conflict. If so, rename this value!
- if (lookup(VTy, Name)) {
+ if (localLookup(VTy, Name)) {
string UniqueName = getUniqueName(VTy, Name);
+ assert(InternallyInconsistent == false && "Infinite loop inserting entry!");
InternallyInconsistent = true;
V->setName(UniqueName, this);
InternallyInconsistent = false;
}
#if DEBUG_SYMBOL_TABLE
- cerr << this << " Inserting definition: " << Name << ": "
- << VTy->getDescription() << endl;
+ dump();
+ cerr << " Inserting definition: " << Name << ": "
+ << VTy->getDescription() << "\n";
#endif
iterator I = find(VTy);
if (VTy->isAbstract()) {
cast<DerivedType>(VTy)->addAbstractTypeUser(this);
#if DEBUG_ABSTYPE
- cerr << "Added abstract type value: " << VTy->getDescription() << endl;
+ cerr << "Added abstract type value: " << VTy->getDescription() << "\n";
#endif
}
}
if (T->isAbstract()) {
cast<DerivedType>(T)->addAbstractTypeUser(this);
#if DEBUG_ABSTYPE
- cerr << "Added abstract type to ST: " << T->getDescription() << endl;
+ cerr << "Added abstract type to ST: " << T->getDescription() << "\n";
#endif
}
}
if (NewType->isAbstract()) {
cast<DerivedType>(NewType)->addAbstractTypeUser(this);
#if DEBUG_ABSTYPE
- cerr << "[Added] refined to abstype: "<<NewType->getDescription()<<endl;
+ cerr << "[Added] refined to abstype: "<<NewType->getDescription()<<"\n";
#endif
+ }
}
- }
VarMap &NewPlane = NewTypeIt->second;
VarMap &OldPlane = TPI->second;
// The only thing we are allowing for now is two method prototypes being
// folded into one.
//
- Method *ExistM = dyn_cast<Method>(TI->second);
- Method *NewM = dyn_cast<Method>(V.second);
+ Function *ExistM = dyn_cast<Function>(TI->second);
+ Function *NewM = dyn_cast<Function>(V.second);
if (ExistM && NewM && ExistM->isExternal() && NewM->isExternal()) {
// Ok we have two external methods. Make all uses of the new one
// that turns remove into a noop. Thus the name will get null'd
// out, but the symbol table won't get upset.
//
+ assert(InternallyInconsistent == false &&
+ "Symbol table already inconsistent!");
InternallyInconsistent = true;
// Remove newM from the symtab
InternallyInconsistent = false;
// Now we can remove this method from the module entirely...
- NewM->getParent()->getMethodList().remove(NewM);
+ NewM->getParent()->getFunctionList().remove(NewM);
delete NewM;
} else {
// Ok, now we are not referencing the type anymore... take me off your user
// list please!
#if DEBUG_ABSTYPE
- cerr << "Removing type " << OldType->getDescription() << endl;
+ cerr << "Removing type " << OldType->getDescription() << "\n";
#endif
OldType->removeAbstractTypeUser(this);
} else if (TPI != end()) {
assert(OldType == NewType);
#if DEBUG_ABSTYPE
- cerr << "Removing SELF type " << OldType->getDescription() << endl;
+ cerr << "Removing SELF type " << OldType->getDescription() << "\n";
#endif
OldType->removeAbstractTypeUser(this);
}
TPI = find(Type::TypeTy);
- assert(TPI != end() &&"Type plane not in symbol table but we contain types!");
-
- // Loop over all of the types in the symbol table, replacing any references to
- // OldType with references to NewType. Note that there may be multiple
- // occurances, and although we only need to remove one at a time, it's faster
- // to remove them all in one pass.
- //
- VarMap &TyPlane = TPI->second;
- for (VarMap::iterator I = TyPlane.begin(), E = TyPlane.end(); I != E; ++I)
- if (I->second == (Value*)OldType) { // FIXME when Types aren't const.
+ if (TPI != end()) {
+ // Loop over all of the types in the symbol table, replacing any references
+ // to OldType with references to NewType. Note that there may be multiple
+ // occurances, and although we only need to remove one at a time, it's
+ // faster to remove them all in one pass.
+ //
+ VarMap &TyPlane = TPI->second;
+ for (VarMap::iterator I = TyPlane.begin(), E = TyPlane.end(); I != E; ++I)
+ if (I->second == (Value*)OldType) { // FIXME when Types aren't const.
#if DEBUG_ABSTYPE
- cerr << "Removing type " << OldType->getDescription() << endl;
+ cerr << "Removing type " << OldType->getDescription() << "\n";
#endif
- OldType->removeAbstractTypeUser(this);
-
- I->second = (Value*)NewType; // TODO FIXME when types aren't const
- if (NewType->isAbstract()) {
+ OldType->removeAbstractTypeUser(this);
+
+ I->second = (Value*)NewType; // TODO FIXME when types aren't const
+ if (NewType->isAbstract()) {
#if DEBUG_ABSTYPE
- cerr << "Added type " << NewType->getDescription() << endl;
+ cerr << "Added type " << NewType->getDescription() << "\n";
#endif
- cast<const DerivedType>(NewType)->addAbstractTypeUser(this);
+ cast<const DerivedType>(NewType)->addAbstractTypeUser(this);
+ }
}
- }
+ }
}
-
-#ifndef NDEBUG
-#include "llvm/Assembly/Writer.h"
-#include <algorithm>
-
static void DumpVal(const pair<const string, Value *> &V) {
- cout << " '" << V.first << "' = " << V.second << endl;
+ std::cout << " '" << V.first << "' = ";
+ V.second->dump();
+ std::cout << "\n";
}
static void DumpPlane(const pair<const Type *, map<const string, Value *> >&P) {
- cout << " Plane: " << P.first << endl;
+ std::cout << " Plane: ";
+ P.first->dump();
+ std::cout << "\n";
for_each(P.second.begin(), P.second.end(), DumpVal);
}
void SymbolTable::dump() const {
- cout << "Symbol table dump:\n";
+ std::cout << "Symbol table dump:\n";
for_each(begin(), end(), DumpPlane);
if (ParentSymTab) {
- cout << "Parent ";
+ std::cout << "Parent ";
ParentSymTab->dump();
}
}
-
-#endif
projects / oota-llvm.git / blobdiff