} // ExpressionStmt
// Return an if/then or if/then/else statement. If there was no else
// clause, elseClause will be null.
public StmtFrag IfThenElse( SrcLoc loc, ExprFrag condition,
StmtFrag ifClause, StmtFrag elseClause )
{
CSharpStmtFrag frag = new CSharpStmtFrag(loc);
CSharpExprFrag csCondition = (CSharpExprFrag)condition;
frag.Append("if (Support.BoolTest(" + csCondition.GenerateRHS() + "))");
frag.AppendIndentedBody(ifClause);
if (elseClause != null)
{
frag.Append("else");
frag.AppendIndentedBody(elseClause);
}
return frag;
} // IfThenElse
} // WhileDo
// Return a for statement. init is the loop initializer, cond is the
// loop control expression, and step is the loop increment expression.
// Any or all of init, cond, and step can be null.
public StmtFrag For( LoopInfo loopInfo, StmtFrag init,
ExprFrag cond, ExprFrag step, StmtFrag body )
{
CSharpLoopInfo csLoopInfo = (CSharpLoopInfo)loopInfo;
CSharpStmtFrag frag = new CSharpStmtFrag(csLoopInfo.loc);
frag.Append(init);
CSharpExprFrag csCondition = (CSharpExprFrag)cond;
frag.Append("while (Support.BoolTest(" + csCondition.GenerateRHS() + "))");
((CSharpStmtFrag)body).Append("continueTarget_{0}:", csLoopInfo.index + 1);
((CSharpStmtFrag)body).Append(ExpressionStmt(step));
frag.AppendIndentedBody(body);
frag.Append("breakTarget_{0}: {1}", csLoopInfo.index + 1, "{}");
return frag;
} // For
} // Switch
// Return a try...catch, try...finally, or try...catch...finally
// statement. If there was no "catch" clause, then catchVar, catchWithInfo,
// and catchBody will be null. If there was no "finally" clause, then
// finallyBody will be null. These parameters can't all be null (i.e.
// at least one of the "catch" and "finally" clauses must have been
// present).
public StmtFrag TryCatchFinally( SrcLoc loc,
StmtFrag tryBody, string catchVar,
WithInfo catchWithInfo,
StmtFrag catchBody,
StmtFrag finallyBody )
{
CSharpStmtFrag frag = new CSharpStmtFrag(loc);
frag.Append("try");
frag.AppendIndentedBody(tryBody);
if (catchBody != null)
{
CSharpWithInfo csWithInfo = (CSharpWithInfo)catchWithInfo;
frag.Append("catch (Exception catchTemp_{0})", csWithInfo.index+1);
frag.Indent();
frag.Append("{");
frag.Append( "JObject withTemp_{0} = Support.CreateCatchScope(catchTemp_{0}, \"{1}\");",
csWithInfo.index+1, catchVar );
frag.Append(catchBody);
frag.Append("}");
frag.Outdent();
}
if (finallyBody != null)
{
frag.Append("finally");
frag.AppendIndentedBody(finallyBody);
}
return frag;
} // TryCatchFinally
} // IfThenElse
// Return a do...while statement.
public StmtFrag DoWhile( LoopInfo loopInfo, StmtFrag body,
ExprFrag condition )
{
CSharpLoopInfo csLoopInfo = (CSharpLoopInfo)loopInfo;
CSharpStmtFrag frag = new CSharpStmtFrag(csLoopInfo.loc);
CSharpExprFrag csCondition = (CSharpExprFrag)condition;
frag.Append("do");
((CSharpStmtFrag)body).Append("continueTarget_{0}:", csLoopInfo.index + 1);
frag.AppendIndentedBody(body);
frag.Append("while (Support.BoolTest(" + csCondition.GenerateRHS() + "))");
frag.Append("breakTarget_{0}: {1}", csLoopInfo.index + 1, "{}");
return frag;
} // DoWhile