void clean_token_list(token_list &tokens_) {
token_list clean_tokens;
for (token_entry current_token = tokens_.begin(); current_token != tokens_.end(); ++current_token) {
if (current_token->type == type::EMPTY)
continue;
clean_tokens.push_back(*current_token);
}
tokens_ = clean_tokens;
}
void carma::rules::script_command_rule::apply(carma::compiler::context& a_scope, token_list &tokens_, token_entry& start_entry_, token_entry& end_entry_) {
auto types = script_command_parser::AllTypesForName(start_entry_->val);
if (types.size() == 0) {
throw compiler::exception::syntax_error("Not a valid script command ("+ start_entry_->val +")");
}
bool valid = false;
std::vector<std::string> errors_found;
auto next = std::next(start_entry_);
for (auto type : types) {
if (type == script_command::Type::NONE) {
// always valid ?
valid = true;
return;
}
else if (type == script_command::Type::LEFT_RIGHT) {
bool rightSide = false;
bool leftSide = false;
// check right side
if (next != end_entry_) {
if (next->val != "}" && next->val != ")" && next->val != "]" && next->val != ";"
&& next->val != "=" && next->val != "<" && next->val != ">") {
rightSide = true;
}
else {
errors_found.push_back("Invalid Syntax for binary script command " + start_entry_->val + " With next: " + next->val);
}
}
else {
errors_found.push_back("Missing argument for binary script command " + start_entry_->val + " End of statement?");
}
// Check left side
if (start_entry_ == tokens_.begin()) {
// nothing in front so... error
errors_found.push_back("Missing argument for binary script command " + start_entry_->val);
}
else {
auto prev = std::prev(start_entry_);
if (prev->val != "{" && prev->val != "(" && prev->val != "[" && prev->val != ";"
&& prev->val != "=" && prev->val != "<" && prev->val != ">") {
leftSide = true;
}
else {
errors_found.push_back("Invalid Syntax for binary script command " + start_entry_->val + " With prev: " + prev->val);
}
}
if (leftSide && rightSide)
valid = true;
}
else if (type == script_command::Type::RIGHT) {
// validate that we have some statement to our right
if (next != end_entry_) {
if (next->val != "}" && next->val != ")" && next->val != "]" && next->val != ";"
&& next->val != "=" && next->val != "<" && next->val != ">") {
valid = true;
}
else {
errors_found.push_back("Invalid Syntax for unary script command " + start_entry_->val + " With next: " + next->val);
}
}
else {
errors_found.push_back("Missing argument for unary script command " + start_entry_->val + " End of statement?");
}
}
};
if (!valid) {
if (errors_found.size() == 0)
errors_found.push_back("Unknown error");
throw compiler::exception::syntax_error("Syntax Error at script command (" + start_entry_->val + ")" + errors_found.at(0));
}
}
