// TODO: Add vardecl to while loop?
// It's pretty dumb but C++ allows it =/
protected void ExecuteWhileStmt(AstWhileStmt stmt)
{
if (HadErrorOrReturn())
{
return;
}
while (!m_runtimeError)
{
m_blockexitk = BLOCKEXITK.Normal;
object conditionVal = EvaluateExpr(stmt.m_condition);
if (!IsTruthy(conditionVal))
{
break;
}
ExecuteStmt(stmt.m_body);
if (m_blockexitk == BLOCKEXITK.Break)
{
break;
}
}
}
protected void ExecuteForStmt(AstForStmt stmt)
{
if (HadErrorOrReturn())
{
return;
}
// NOTE (andrews) This pushes an environment before opening the scope, which is where any declared iterator lives
bool isEnvPushed = false;
if (stmt.m_preDecl != null)
{
Debug.Assert(stmt.m_preExpr == null);
PushEnvironment();
isEnvPushed = true;
ExecuteVarDeclStmt(stmt.m_preDecl);
}
else if (stmt.m_preExpr != null)
{
EvaluateExpr(stmt.m_preExpr);
}
while (!m_runtimeError)
{
m_blockexitk = BLOCKEXITK.Normal;
object conditionVal = true;
if (stmt.m_condition != null)
{
conditionVal = EvaluateExpr(stmt.m_condition);
if (!IsTruthy(conditionVal))
{
break;
}
}
ExecuteStmt(stmt.m_body);
if (m_blockexitk == BLOCKEXITK.Break)
{
break;
}
if (stmt.m_post != null)
{
EvaluateExpr(stmt.m_post);
}
}
if (isEnvPushed)
{
PopEnvironment();
}
}
protected void ExecuteContinueStmt(AstContinueStmt stmt)
{
if (HadErrorOrReturn())
{
return;
}
m_blockexitk = BLOCKEXITK.Continue;
}
protected void ExecuteBreakStmt(AstBreakStmt stmt)
{
if (HadErrorOrReturn())
{
return;
}
m_blockexitk = BLOCKEXITK.Break;
}