public void print_llvm()
{
if (this.name.Equals("Operation"))
{
Console.WriteLine(LLVM_Translator.translate_operation(this));
}
else
{
foreach (AST_Node child in this.children)
{
if (child != null)
{
child.print_llvm();
}
}
}
}
public string translate_tree()
{
if (this.name.Equals("Operation"))
{
return(LLVM_Translator.translate_operation(this));
}
else
{
Console.WriteLine("--- [{0}]", this.name);
foreach (AST_Node child in this.children)
{
if (child != null)
{
Console.WriteLine(child.name);
return(child.translate_tree());
}
}
return("");
}
}
public static string translate_operation(AST_Node node)
{
if (node.children.Length == 3)
{
string operstring = node.children[1].identifier_string;
string r_type = "";
if (node.children[0].return_type != node.children[2].return_type)
{
throw new InvalidProgramException("Types mismatch");
}
if (node.children[0].return_type == "integer")
{
r_type = "int32";
}
if (node.children[0].return_type == "real")
{
r_type = "double";
}
if (node.children[0].return_type == "bool")
{
r_type = "i1";
}
string r1 = null;
string v1 = null;
string r2 = null;
string v2 = null;
Console.WriteLine(node.name);
if (!node.children[0].is_token && !node.children[2].is_token)
{
r1 = "%" + counter.ToString();
v1 = "%" + counter.ToString() + " = " + LLVM_Translator.translate_operation(node.children[0]);
counter++;
r2 = "%" + counter.ToString();
v2 = "%" + counter.ToString() + " = " + LLVM_Translator.translate_operation(node.children[2]);
counter++;
}
if (node.children[0].is_token && !node.children[2].is_token)
{
r1 = "%" + counter.ToString();
v1 = null;
if (node.children[0].return_type.Equals("integer"))
{
v1 = "%" + counter.ToString() + " = add int32 " + node.children[0].ival + " 0\n";
}
if (node.children[0].return_type.Equals("integer"))
{
v1 = "%" + counter.ToString() + " = add double " + node.children[0].dval + " 0\n";
}
if (node.children[0].identifier_string == "true")
{
v1 = "%" + counter.ToString() + " = i1 true\n";
}
if (node.children[0].identifier_string == "false")
{
v1 = "%" + counter.ToString() + " = i1 false\n";
}
counter++;
r2 = "%" + counter.ToString();
v2 = "%" + counter.ToString() + LLVM_Translator.translate_operation(node.children[2]);
counter++;
}
if (node.children[0].is_token && !node.children[2].is_token)
{
r1 = "%" + counter.ToString();
v1 = "%" + counter.ToString() + LLVM_Translator.translate_operation(node.children[0]);
counter++;
r2 = "%" + counter.ToString();
v2 = null;
if (node.children[2].return_type == "integer")
{
v2 = "%" + counter.ToString() + " = add int32 " + node.children[2].ival + " 0\n";
}
if (node.children[2].return_type == "real")
{
v2 = "%" + counter.ToString() + " = add double " + node.children[2].dval + " 0\n";
}
if (node.children[2].identifier_string == "true")
{
v2 = "%" + counter.ToString() + " = i1 true\n";
}
if (node.children[2].identifier_string == "false")
{
v2 = "%" + counter.ToString() + " = i1 false\n";
}
}
if (node.children[0].is_token && !node.children[2].is_token)
{
r1 = "%" + counter.ToString();
v1 = null;
if (node.children[0].return_type == "integer")
{
v1 = "%" + counter.ToString() + " = add int32 " + node.children[0].ival + " 0\n";
}
if (node.children[0].return_type == "real")
{
v1 = "%" + counter.ToString() + " = add double " + node.children[0].dval + " 0\n";
}
if (node.children[0].identifier_string == "true")
{
v1 = "%" + counter.ToString() + " = i1 true\n";
}
if (node.children[0].identifier_string == "false")
{
v1 = "%" + counter.ToString() + " = i1 false\n";
}
r2 = "%" + counter.ToString();
v2 = null;
if (node.children[2].return_type == "integer")
{
v2 = "%" + counter.ToString() + " = add int32 " + node.children[2].ival + " 0\n";
}
if (node.children[2].return_type == "real")
{
v2 = "%" + counter.ToString() + " = add double " + node.children[2].dval + " 0\n";
}
if (node.children[2].identifier_string == "true")
{
v2 = "%" + counter.ToString() + " = i1 true\n";
}
if (node.children[2].identifier_string == "false")
{
v2 = "%" + counter.ToString() + " = i1 false\n";
}
}
switch (operstring)
{
case "+": {
operstring = "add";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = add " + r_type + " " + r1 + ", " + r2 + "\n");
}
case "-": {
operstring = "sub";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = add " + r_type + " " + r1 + ", " + r2 + "\n");
}
case "*": {
operstring = "mult";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = add " + r_type + " " + r1 + ", " + r2 + "\n");
}
case "%": {
operstring = "mod";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = add " + r_type + " " + r1 + ", " + r2 + "\n");
};
case "=": {
operstring = "eq";
r_type = "i1";
return(v1 + v2 + "\n%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
case ">": {
operstring = "ugt";
r_type = "i1";
return(v1 + v2 + "\n%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
case "<":
{
operstring = "ult";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
case ">=": {
operstring = "ule";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
case "<=": {
operstring = "uge";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
case "/=": {
operstring = "ne";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
default: {
operstring = "ERROR";
r_type = "i1";
return(v1 + v2 + "%" + counter.ToString() + " = icmp " + operstring + " " + r_type + " " + r1 + "," + r2 + "\n");
}
}
}
else
{
return("");
}
}