Made Symbol always stack, not heap, allocated. Finally fixed bugs with ASTTransformation.

This commit is contained in:
Nathan Braswell
2013-10-02 03:15:20 -04:00
parent 0110672f50
commit b9ffe33d0b
25 changed files with 375 additions and 278 deletions

View File

@@ -8,12 +8,12 @@ Table::~Table() {
//
}
void Table::setSymbols(Symbol* EOFSymbol, Symbol* nullSymbol) {
void Table::setSymbols(Symbol EOFSymbol, Symbol nullSymbol) {
this->EOFSymbol = EOFSymbol;
this->nullSymbol = nullSymbol;
}
void Table::add(int stateNum, Symbol* tranSymbol, ParseAction* action) {
void Table::add(int stateNum, Symbol tranSymbol, ParseAction* action) {
//If this is the first time we're adding to the table, add the EOF character
if (symbolIndexVec.size() == 0)
@@ -28,8 +28,8 @@ void Table::add(int stateNum, Symbol* tranSymbol, ParseAction* action) {
//find out what index this symbol is on
int symbolIndex = -1;
for (std::vector<Symbol*>::size_type i = 0; i < symbolIndexVec.size(); i++) {
if ( *(symbolIndexVec[i]) == *tranSymbol ) {
for (std::vector<Symbol>::size_type i = 0; i < symbolIndexVec.size(); i++) {
if ( symbolIndexVec[i] == tranSymbol ) {
//Has been found
symbolIndex = i;
break;
@@ -79,11 +79,11 @@ void Table::add(int stateNum, Symbol* tranSymbol, ParseAction* action) {
}
}
void Table::remove(int stateNum, Symbol* tranSymbol) {
void Table::remove(int stateNum, Symbol tranSymbol) {
//find out what index this symbol is on
int symbolIndex = -1;
for (std::vector<Symbol*>::size_type i = 0; i < symbolIndexVec.size(); i++) {
if ( *(symbolIndexVec[i]) == *tranSymbol ) {
for (std::vector<Symbol>::size_type i = 0; i < symbolIndexVec.size(); i++) {
if ( symbolIndexVec[i] == tranSymbol ) {
//Has been found
symbolIndex = i;
break;
@@ -92,21 +92,21 @@ void Table::remove(int stateNum, Symbol* tranSymbol) {
(*(table[stateNum]))[symbolIndex] = NULL;
}
std::vector<ParseAction*>* Table::get(int state, Symbol* token) {
std::vector<ParseAction*>* Table::get(int state, Symbol token) {
int symbolIndex = -1;
for (std::vector<Symbol*>::size_type i = 0; i < symbolIndexVec.size(); i++) {
if ( *(symbolIndexVec[i]) == *token) {
for (std::vector<Symbol>::size_type i = 0; i < symbolIndexVec.size(); i++) {
if ( symbolIndexVec[i] == token) {
symbolIndex = i;
break;
}
}
if (symbolIndex == -1) {
std::cout << "Unrecognized symbol: " << token->toString() << ", cannot get from table!" << std::endl;
std::cout << "Unrecognized symbol: " << token.toString() << ", cannot get from table!" << std::endl;
return NULL;
}
std::cout << "Get for state: " << state << ", and Symbol: " << token->toString() << std::endl;
std::cout << "Get for state: " << state << ", and Symbol: " << token.toString() << std::endl;
if (state < 0 || state >= table.size()) {
std::cout << "State bad: " << state << std::endl;
return NULL;
@@ -115,7 +115,7 @@ std::vector<ParseAction*>* Table::get(int state, Symbol* token) {
std::vector<ParseAction*>* action = NULL;
if (symbolIndex < 0 || symbolIndex >= table[state]->size()) {
std::cout << "Symbol bad for this state: " << token->toString() << ". This is a reject." << std::endl;
std::cout << "Symbol bad for this state: " << token.toString() << ". This is a reject." << std::endl;
} else {
action = (*(table[state]))[symbolIndex];
}
@@ -144,7 +144,7 @@ std::vector<ParseAction*>* Table::get(int state, Symbol* token) {
return (action);
}
ParseAction* Table::getShift(int state, Symbol* token) {
ParseAction* Table::getShift(int state, Symbol token) {
std::vector<ParseAction*>* actions = get(state, token);
ParseAction* shift = NULL;
for (int i = 0; i < actions->size(); i++) {
@@ -158,8 +158,8 @@ ParseAction* Table::getShift(int state, Symbol* token) {
std::string Table::toString() {
std::string concat = "";
for (std::vector<Symbol*>::size_type i = 0; i < symbolIndexVec.size(); i++)
concat += "\t" + symbolIndexVec[i]->toString();
for (std::vector<Symbol>::size_type i = 0; i < symbolIndexVec.size(); i++)
concat += "\t" + symbolIndexVec[i].toString();
concat += "\n";
for (std::vector< std::vector< std::vector< ParseRule* >* >* >::size_type i = 0; i < table.size(); i++) {