bool group_tokens_into_statements(evl_statements &statements, evl_tokens &tokens) {
assert(statements.empty());
for(; !tokens.empty();) { //generates one statement per iteration
evl_token token = tokens.front();
if (token.type != evl_token::NAME) {
std::cerr << "Need a NAME token but found '" << token.str << "' on line" << token.line_no << std::endl;
return false;
}
if (token.str == "module") { //MODULE statement
evl_statement module;
module.type = evl_statement::MODULE;
if(!move_tokens_to_statement(module.tokens, tokens)){
return false;
}
statements.push_back(module);
}
else if (token.str == "endmodule") { //ENDMODULE statement
evl_statement endmodule;
endmodule.type = evl_statement::ENDMODULE;
endmodule.tokens.push_back(token);
tokens.erase(tokens.begin());
statements.push_back(endmodule);
}
else if (token.str == "wire") { //WIRE statement
evl_statement wire;
wire.type = evl_statement::WIRE;
if(!move_tokens_to_statement(wire.tokens, tokens)){
return false;
}
statements.push_back(wire);
}
else { //COMPONENT statement
evl_statement component;
component.type = evl_statement::COMPONENT;
if(!move_tokens_to_statement(component.tokens, tokens)){
return false;
}
statements.push_back(component);
}
}
return true;
}
bool process_all_statements(evl_statements &statements, evl_module &module, evl_wires &wires, evl_components &components, evl_endmodule &endmodule)
{
for (; !statements.empty(); statements.pop_front())
{
if ((statements.front().type) == (evl_statement::MODULE))
{
if (!process_module_statement(module, statements.front()))
{
std::cerr << "Wrong MODULE statement when store in Object" << std::endl;
return false;
}
}
else if ((statements.front().type) == (evl_statement::WIRE))
{
if (!process_wire_statement(wires, statements.front()))
{
std::cerr << "Wrong WIRE statement when store in Object" << std::endl;
return false;
}
}
else if ((statements.front().type) == (evl_statement::COMPONENT))
{
if (!process_component_statement(components, statements.front()))
{
std::cerr << "Wrong COMPONENTS statement when store in Object" << std::endl;
return false;
}
}
else if ((statements.front().type) == (evl_statement::ENDMODULE))
{
if (!process_endmodule_statement(endmodule, statements.front()))
{
std::cerr << "Wrong ENDMODULE statement when store in Object" << std::endl;
return false;
}
}
else
{
std::cerr << "Wrong Statmement Type" << std::endl;
return false;
}
}
return true;
}
bool group_tokens_into_statements(evl_statements &statements, evl_tokens &tokens) {
assert(statements.empty());
for(; !tokens.empty();) { //generates one statement per iteration
evl_token token = tokens.front();
if (token.type != evl_token::NAME) {
std::cerr << "Need a NAME token but found '" << token.str << "' on line" << token.line_no << std::endl;
return false;
}
if ((token.str == "INPUT") || (token.str == "OUTPUT") || (token.str == "AND") ||
(token.str == "NAND") || (token.str == "OR") || (token.str == "NOR") ||
(token.str == "DFF") || (token.str == "NOT")) {
evl_statement component;
component.type = evl_statement::COMPONENT;
if(!move_comp_to_statement(component.tokens, tokens)) {
return false;
}
//INPUT and OUTPUT are both components and wires;
if ((token.str == "INPUT") || (token.str == "OUTPUT")) {
evl_statement wire;
wire.type = evl_statement::WIRE;
wire.tokens = component.tokens;
statements.push_back(wire);
}
statements.push_back(component);
}
else {
evl_statement wire;
wire.type = evl_statement::WIRE;
if(!move_wire_to_statement(wire.tokens, tokens)) {
return false;
}
statements.push_back(wire);
}
}
return true;
}