fp_t ast_fun_call_expr::eval(symbol_table& sym)
{
list<fp_t> args;
for (auto _ex : *_exs)
args.push_back(_ex->eval(sym));
sym.open_scope();
ptr<ast_fun_def> _fd = sym.get_fun_def(_id);
auto arg_it = args.begin();
for (auto _param_id : *(_fd->_ids))
sym.set_var(_param_id, *arg_it++);
maybe_fp_t ret = _fd->_bl->exec(sym);
sym.close_scope();
if (not ret.is_valid)
{
// runtime error
cerr << MYLANGA_RUNTIME_ERROR << " | " << \
"La función \'" << *_id << "\' se ejecutó sin retornar un valor." << endl;
MYLANGA_END_ABRUPTLY();
}
return ret.value;
}
symbol* find_typeTable (const string* key) {
auto found = typeTable.find(key);
if (found == typeTable.end()){
return NULL;
} else {
return found->second;
}
}
symbol* grabStructSymbol (const string* ident)
{
auto table_check = typeTable.find(ident);
if(table_check != typeTable.end())
{
return table_check->second;
}
fprintf(stderr, "oc: %s struct does not exist\n", ident->c_str());
return NULL;
}
/** Traverse block and find name of symbol */
static string traverse_block_two(symbol_table mymap,string tname){
// find in map
symbol_table::iterator got = mymap.find (&tname);
// if symbool found, return symbol
if ( got != mymap.end() ) {
string type = *(got->first);
return type;
}
// otherwise, keep traversing
return traverse_block_two(*got->second->fields,tname);
}
bool ast_fun_call_expr::is_valid(symbol_table& sym)
{
bool res = true;
do
{
ptr<ast_fun_def> _fd = sym.get_fun_def(_id);
if (_fd == nullptr)
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"La función \'" << *_id << "\' no se encuentra definida." << endl;
res = false; break;
}
if (_fd->_ids->size() != _exs->size())
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"La función " << (*(_fd->_id)) << " recibe " << to_string(_fd->_ids->size()) << \
" parámetro(s), pero es invocada con " << to_string(_exs->size()) << \
" argumento(s)." << endl;
res = false; break;
}
} while (false);
for (auto _ex : *_exs)
res = _ex->is_valid(sym) and res;
return res;
}
cheat_parameter::cheat_parameter(cheat_manager &manager, symbol_table &symbols, const char *filename, xml_data_node ¶mnode)
: m_value(0)
{
// read the core attributes
m_minval = number_and_format(xml_get_attribute_int(¶mnode, "min", 0), xml_get_attribute_int_format(¶mnode, "min"));
m_maxval = number_and_format(xml_get_attribute_int(¶mnode, "max", 0), xml_get_attribute_int_format(¶mnode, "max"));
m_stepval = number_and_format(xml_get_attribute_int(¶mnode, "step", 1), xml_get_attribute_int_format(¶mnode, "step"));
// iterate over items
for (xml_data_node *itemnode = xml_get_sibling(paramnode.child, "item"); itemnode != NULL; itemnode = xml_get_sibling(itemnode->next, "item"))
{
// check for NULL text
if (itemnode->value == NULL || itemnode->value[0] == 0)
throw emu_fatalerror("%s.xml(%d): item is missing text\n", filename, itemnode->line);
// check for non-existant value
if (xml_get_attribute(itemnode, "value") == NULL)
throw emu_fatalerror("%s.xml(%d): item is value\n", filename, itemnode->line);
// extract the parameters
UINT64 value = xml_get_attribute_int(itemnode, "value", 0);
int format = xml_get_attribute_int_format(itemnode, "value");
// allocate and append a new item
item &curitem = m_itemlist.append(*global_alloc(item(itemnode->value, value, format)));
// ensure the maximum expands to suit
m_maxval = MAX(m_maxval, curitem.value());
}
// add a variable to the symbol table for our value
symbols.add("param", symbol_table::READ_ONLY, &m_value);
}
cheat_parameter::cheat_parameter(cheat_manager &manager, symbol_table &symbols, const char *filename, xml_data_node const ¶mnode)
: m_value(0)
{
// read the core attributes
m_minval = number_and_format(paramnode.get_attribute_int("min", 0), paramnode.get_attribute_int_format("min"));
m_maxval = number_and_format(paramnode.get_attribute_int("max", 0), paramnode.get_attribute_int_format("max"));
m_stepval = number_and_format(paramnode.get_attribute_int("step", 1), paramnode.get_attribute_int_format("step"));
// iterate over items
for (xml_data_node const *itemnode = paramnode.get_child("item"); itemnode != nullptr; itemnode = itemnode->get_next_sibling("item"))
{
// check for nullptr text
if (itemnode->get_value() == nullptr || itemnode->get_value()[0] == 0)
throw emu_fatalerror("%s.xml(%d): item is missing text\n", filename, itemnode->line);
// check for non-existant value
if (!itemnode->has_attribute("value"))
throw emu_fatalerror("%s.xml(%d): item is value\n", filename, itemnode->line);
// extract the parameters
uint64_t const value = itemnode->get_attribute_int("value", 0);
xml_data_node::int_format const format = itemnode->get_attribute_int_format("value");
// allocate and append a new item
auto curitem = std::make_unique<item>(itemnode->get_value(), value, format);
// ensure the maximum expands to suit
m_maxval = std::max(m_maxval, curitem->value());
m_itemlist.push_back(std::move(curitem));
}
// add a variable to the symbol table for our value
symbols.add("param", symbol_table::READ_ONLY, &m_value);
}
tree::node::ptr parse_state(std::string expr, std::string const& context, symbol_table symbol_table,
const parser::parse_policy& ppol) {
if (expr == "") {
tree::node::ptr p = tree::node::ptr(tree::node::null_node());
return p;
} else {
symbol_table.set_context(context);
state_grammar g;
state_ast my_ast;
std::string::const_iterator iter = expr.begin();
std::string::const_iterator end = expr.end();
bool r = boost::spirit::qi::phrase_parse(iter, end, g, boost::spirit::ascii::space, my_ast);
if (r && iter == end) {
return make_state_tree(my_ast, symbol_table,ppol);
} else {
/**
* error handle : precise as to when the parser fails
* (part of the predicate fails)
*/
throw basic_exception("Could not parse predicate:\n" + expr + "\n" + std::string(iter-expr.begin(),' ') + "^"+ std::string(iter, end));
}
}
}
bool ast_var_assign_stmt::is_valid(symbol_table& sym)
{
bool res = true;
res = _ex->is_valid(sym) and res;
sym.declare_var(_id);
return res;
}
bool ast_plot_cmd::is_valid(symbol_table& sym)
{
bool res = true;
sym.open_scope();
do
{
res = _ex1->is_valid(sym) and res;
res = _ex2->is_valid(sym) and res;
res = _ex3->is_valid(sym) and res;
if (not res) break;
fp_t range_from = _ex1->eval(sym),
range_step = _ex2->eval(sym),
range_to = _ex3->eval(sym);
if (not (range_from <= range_to and 0 < range_step))
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"En la instrucción de plot, el rango de evaluación es inválido; un rango válido a..d..b debe cumplir a <= b y 0 < d." << endl;
res = false;
}
if (not (_ex_x->is_plottable() and _ex_y->is_plottable()))
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"En la instrucción de plot, las expresiones a evaluar deben ser de tipo llamado a función." << endl;
res = false;
}
sym.declare_var(_id);
res = _ex_x->is_valid(sym) and res;
res = _ex_y->is_valid(sym) and res;
} while (false);
sym.close_scope();
return res;
}
tree::node_ptr operator()(state_loc const& pred) const {
std::string autom(pred.aut);
std::string context=my_symbol_table.get_context();
if (autom == "") {
autom = context;
context = "";
}
return tree::node_ptr(hybrid_automata::location_node_creator::create(
autom, context, pred.loc, pred.eq));
}
void affineStatement::reset_patterns( const symbol_table& new_table )
{
Datum * parent;
AccessPattern * new_pat;
symbol_table::const_iterator it;
for ( int i = 0 ; i < Reads.size() ; i++ ) {
parent = Reads[i]->get_parent();
it = new_table.find(parent->get_name());
new_pat = it->second.get_pattern(Reads[i]->get_id());
Reads[i] = new_pat;
}
for ( int i = 0 ; i < Writes.size() ; i++ ) {
parent = Writes[i]->get_parent();
it = new_table.find(parent->get_name());
new_pat = it->second.get_pattern(Writes[i]->get_id());
Writes[i] = new_pat;
}
}
void ast_plot_cmd::plot(symbol_table& sym)
{
sym.open_scope();
fp_t range_from = _ex1->eval(sym),
range_step = _ex2->eval(sym),
range_to = _ex3->eval(sym);
for (fp_t x = range_from; x <= range_to; x += range_step)
{
sym.set_var(_id, x);
fp_t x_value = _ex_x->eval(sym),
y_value = _ex_y->eval(sym);
cout << x_value << " " << y_value << endl;
}
sym.close_scope();
}
bool ast_id_expr::is_valid(symbol_table& sym)
{
bool res = true;
if (not sym.var_is_declared(_id))
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"La variable \'" << *_id << "\' no se encuentra previamente declarada." << endl;
res = false;
}
return res;
}
// print out the items stored in the two tables
void table_dump () {
printf("Identifiers:\n");
int ident_scp = 0;
for (auto v: idents) {
printf("%d\n", ident_scp);
for (auto i = v->cbegin(); i != v->cend(); i++) {
printf("\t %s %s\n", i->first->c_str(),
get_attributes(i->second->attributes));
}
ident_scp++;
}
printf("Types:\n");
for (auto i = types.cbegin(); i != types.cend(); i++) {
printf("%s\n", i->first->c_str());
for (auto j = i->second->fields->cbegin();
j != i->second->fields->cend(); j++) {
printf("\t%s %s\n", j->first->c_str(),
get_attributes(j->second->attributes));
}
}
}
bool ast_fun_def::is_valid(symbol_table& sym)
{
bool res = true;
if (sym.get_fun_def(_id) != nullptr)
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"La función \'" << *_id << "\' ya está definida." << endl;
res = false;
}
if (has_repeated_elements(_ids))
{
cerr << MYLANGA_PARSE_ERROR(_ln) << " | " << \
"La función \'" << *_id << "\' contiene parámetros repetidos en su definición." << endl;
res = false;
}
// para soportar recursión
sym.define_fun(shared_from_this());
sym.open_scope();
for (auto _id : *_ids)
sym.declare_var(_id);
res = _bl->is_valid(sym) and res;
sym.close_scope();
sym.undefine_fun(shared_from_this());
return res;
}
symbol* intern_typeTable (astree* tree) {
symbol* temp = (symbol*)malloc(sizeof(struct symbol));
temp->fields = NULL;
temp->parameters = NULL;
temp->attributes = ATTR_struct;
temp->blocknr = 0;
temp->filenr = tree->filenr;
temp->linenr = tree->linenr;
temp->offset = tree->offset;
temp->initialized = 0;
typeTable.insert ({tree->children.at(0)->lexinfo, temp});
return temp;
}
fp_t ast_id_expr::eval(symbol_table& sym)
{
maybe_fp_t var = sym.get_var(_id);
if (not var.is_valid)
{
// runtime error
cerr << MYLANGA_RUNTIME_ERROR << " | " << \
"Lectura de la variable \'" << *_id << "\' sin haberle asignado previamente un valor." << endl;
MYLANGA_END_ABRUPTLY();
}
return var.value;
}
void Statement::set_patterns( symbol_table& data )
{
SgExpression * exp = myStatement->get_expression();
IO lhsIO;
vector<AccessPattern*> patList;
if ( !isSgBinaryOp(exp) ) {
if ( isSgUnaryOp(exp) )
search_for_access_patterns( isSgUnaryOp(exp)->get_operand(), patList, INOUT );
else
report_error("Unrecognized expression statement",exp);
} else {
lhsIO = ( isSgAssignOp(exp) ) ? OUT : INOUT;
/* Left hand side */
search_for_access_patterns( isSgBinaryOp(exp)->get_lhs_operand(), patList, lhsIO );
/* Right hand side */
search_for_access_patterns( isSgBinaryOp(exp)->get_rhs_operand(), patList, IN );
}
for ( int i = 0 ; i < patList.size() ; i++ ) {
int dim = patList[i]->get_dim();
SgExpression * exp = patList[i]->get_refExp();
for ( int j = 0 ; j < dim ; j++ )
exp = isSgPntrArrRefExp(exp)->get_lhs_operand();
string ap_name = isSgVarRefExp(exp)->get_symbol()->get_name().getString();
symbol_table::iterator it = data.find(ap_name);
it->second.add_pattern(patList[i]);
add_pattern(patList[i]);
}
}
symbol_data lookup_string(const char * str, std::size_t length)
{
static symbol_table table;
return table.find(str, length);
}
void myFunctionToDoThatThing (astree* tree) {
typeTable.erase(tree->children.at(0)->lexinfo);
}
maybe_fp_t ast_var_assign_stmt::exec(symbol_table& sym)
{
sym.set_var(_id, _ex->eval(sym));
return maybe_fp_t();
}
