void Variable::inc_array_size(BaseExpression* dim_size){
if(size==NULL) size = new vector<int>;
dereference_level++;
if(dim_size==NULL){
size->push_back(0);
return;
}
BaseExpression* tmp_expr=NULL;
try{
tmp_expr = dim_size->simplify();
if(tmp_expr!=NULL){
delete dim_size;
dim_size = tmp_expr;
if(tmp_expr->get_expr_type()!=EXPR_constant) generate_error("Variable size array not allowed");
}
Constant<uint64_t>* value = static_cast<Constant<uint64_t>*>(dim_size);
size->push_back((int)value->get_value());
}
catch(const int& exception_in){
generate_error("Invalid array dimensions size");
}
}
void Variable::renderasm_global(ASMhandle& context){
if(debug) cerr<<"Variable: renderasm_global start"<<endl;
global=true;
try{
pair<string, Variable*> tmp(string(name), this);
context.insert_global_var(tmp);
}
catch(const ErrorgenT& error_in){
if(error_in == ERROR_redefinition) generate_error("Redefinition of global variable \""+string(name)+"\"");
if(error_in == ERROR_fn_var_clash) generate_error("\""+string(name)+"\" redeclared as different kind of symbol");
}
if(debug) cerr<<"Variable: renderasm_global(): variable inserted in ASMhandle"<<endl;
if(init_val!=NULL){
// Try to optimize the expression if not already a Constant
simplify_init_val();
if(init_val->get_expr_type()!=EXPR_constant) generate_error("Initializer for global variable not constant");
if(debug) cerr<<"Variable: renderasm_global() : initializer expression optimized"<<endl;
}
assembler.push_back(ss<<pad<<".globl"<<name<<endl);
if(first_global){
first_global=false;
assembler.push_back(ss<<pad<<".data"<<endl);
}
assembler.push_back(ss<<pad<<".align"<<2<<endl);
assembler.push_back(ss<<pad<<".type"<<name<<", @object"<<endl);
assembler.push_back(ss<<pad<<".size"<<name<<", 4"<<endl);
assembler.push_back(ss<<name<<":"<<endl);
if(init_val!=NULL && init_val->get_expr_type()==EXPR_constant){
Constant<uint64_t> *value = static_cast<Constant<uint64_t>*>(init_val);
assembler.push_back(ss<<pad<<".word"<<value->get_value()<<endl);
}
assembler.push_back(ss<<endl);
if(debug) cerr<<"Variable: renderasm_global successful"<<endl;
}
