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Constify SymbolTable's use of Type* so that it never modifies them.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14616 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2004-07-04 11:55:08 +00:00
parent c28a224c68
commit db8e515b43
1 changed files with 8 additions and 11 deletions
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19
lib/VMCore/SymbolTable.cpp
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@ -17,6 +17,7 @@
#include "llvm/Module.h"
#include "Support/StringExtras.h"
#include <algorithm>
#include <iostream>
using namespace llvm;
@ -86,14 +87,13 @@ Value *SymbolTable::lookup(const Type *Ty, const std::string &Name) const {
Type* SymbolTable::lookupType( const std::string& Name ) const {
type_const_iterator TI = tmap.find( Name );
if ( TI != tmap.end() )
return TI->second;
return const_cast<Type*>(TI->second);
return 0;
}
// Remove a value
void SymbolTable::remove(Value *N) {
assert(N->hasName() && "Value doesn't have name!");
assert(!isa<Type>(N) && "Can't remove types through this interface.");
if (InternallyInconsistent) return;
plane_iterator PI = pmap.find(N->getType());
@ -110,7 +110,6 @@ Value *SymbolTable::removeEntry(plane_iterator Plane, value_iterator Entry) {
Entry != Plane->second.end() && "Invalid entry to remove!");
Value *Result = Entry->second;
assert(!isa<Type>(Result) && "Can't remove types through this interface.");
#if DEBUG_SYMBOL_TABLE
dump();
std::cerr << " Removing Value: " << Result->getName() << "\n";
@ -139,7 +138,7 @@ Value *SymbolTable::removeEntry(plane_iterator Plane, value_iterator Entry) {
// remove - Remove a type
void SymbolTable::remove(Type* Ty ) {
void SymbolTable::remove(const Type* Ty ) {
type_iterator TI = this->type_begin();
type_iterator TE = this->type_end();
@ -157,7 +156,7 @@ Type* SymbolTable::removeEntry(type_iterator Entry) {
if (InternallyInconsistent) return 0;
assert( Entry != tmap.end() && "Invalid entry to remove!");
Type* Result = Entry->second;
const Type* Result = Entry->second;
#if DEBUG_SYMBOL_TABLE
dump();
@ -175,14 +174,13 @@ Type* SymbolTable::removeEntry(type_iterator Entry) {
cast<DerivedType>(Result)->removeAbstractTypeUser(this);
}
return Result;
return const_cast<Type*>(Result);
}
// insertEntry - Insert a value into the symbol table with the specified name.
void SymbolTable::insertEntry(const std::string &Name, const Type *VTy,
Value *V) {
assert(!isa<Type>(V) && "Can't insert types through this interface.");
// Check to see if there is a naming conflict. If so, rename this value!
if (lookup(VTy, Name)) {
std::string UniqueName = getUniqueName(VTy, Name);
@ -225,7 +223,7 @@ void SymbolTable::insertEntry(const std::string &Name, const Type *VTy,
// insertEntry - Insert a value into the symbol table with the specified
// name...
//
void SymbolTable::insertEntry(const std::string& Name, Type* T) {
void SymbolTable::insertEntry(const std::string& Name, const Type* T) {
// Check to see if there is a naming conflict. If so, rename this type!
std::string UniqueName = Name;
@ -261,7 +259,6 @@ unsigned SymbolTable::type_size(const Type *Ty) const {
// Get the name of a value
std::string SymbolTable::get_name( const Value* V ) const {
assert(!isa<Type>(V) && "Can't get name of types through this interface.");
value_const_iterator VI = this->value_begin( V->getType() );
value_const_iterator VE = this->value_end( V->getType() );
@ -318,7 +315,7 @@ bool SymbolTable::strip( void ) {
}
for (type_iterator TI = tmap.begin(); TI != tmap.end(); ) {
Type* T = (TI++)->second;
const Type* T = (TI++)->second;
remove(T);
RemovedSymbol = true;
}
@ -483,7 +480,7 @@ static void DumpPlane(const std::pair<const Type *,
for_each(P.second.begin(), P.second.end(), DumpVal);
}
static void DumpTypes(const std::pair<const std::string, Type*>& T ) {
static void DumpTypes(const std::pair<const std::string, const Type*>& T ) {
std::cerr << " '" << T.first << "' = ";
T.second->dump();
std::cerr << "\n";