public void HandleIfStatement(ASTNode node)
{
// handle condition with the bne command
// add new entry to jump table
// write code for associated block
string[] splitConditionAddress = ConditionResultAddress.Split(" ");
int conditionResult = (int)EvaluateBooleanSubtree(node.Descendants[0]);
Image.WriteByte("A9");
Image.WriteByte(conditionResult.ToString("X2"));
Image.WriteByte("8D");
Image.WriteByte(splitConditionAddress[0]);
Image.WriteByte(splitConditionAddress[1]);
Image.WriteByte("A2");
Image.WriteByte("01");
Image.WriteByte("EC");
Image.WriteByte(splitConditionAddress[0]);
Image.WriteByte(splitConditionAddress[1]);
JumpTableEntry jumpEntry = JumpTable.NewJumpEntry();
Image.WriteByte("D0");
Image.WriteByte(jumpEntry.Name);
HandleSubtree(node.Descendants[1]);
jumpEntry.JumpLength = JumpLength;
JumpLength = 0;
}
public CodeGenerator(SemanticAnalyser semanticAnalyser, DiagnosticCollection diagnostics, Session session)
{
SemanticAnalyser = semanticAnalyser;
Diagnostics = diagnostics;
CurrentSession = session;
StaticTemp = new TempTable();
JumpTable = new JumpTable();
Image = new RuntimeImage();
}
