public override Template Visit(StmtFor stmt_for)
{
Template template = new Template("<body>");
template.Add("body", stmt_for.Body.Accept(this));
Stack<ForItem> stack = new Stack<ForItem>();
stmt_for.List.ForEach(x => stack.Push(x));
foreach (var item in stack)
{
switch (item.Type)
{
case ForItemType.Each:
{
var node = (ForItemEach)item;
Template tmp = new Template("for (auto <var> : <expr>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("expr", node.Expr.Accept(this));
tmp.Add("body", template);
template = tmp;
break;
}
case ForItemType.Map:
{
var node = (ForItemMap)item;
Template tmp = new Template("{\n auto _t_iterator = <expr>;\n auto <var> = _t_iterator;\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("expr", node.Expr.Accept(this));
tmp.Add("body", template);
template = tmp;
break;
}
case ForItemType.To:
{
var node = (ForItemRange)item;
if (node.By == null)
{
Template tmp = new Template("for (auto <var> = <from>; <var> <op> <to>; <prefix_op><var>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("from", node.From.Accept(this));
tmp.Add("to", node.To.Accept(this));
tmp.Add("body", template);
switch (node.Style)
{
case ForItemRangeType.To:
{
tmp.Add("prefix_op", "++");
tmp.Add("op", "<=");
break;
}
case ForItemRangeType.DownTo:
{
tmp.Add("prefix_op", "--");
tmp.Add("op", ">=");
break;
}
case ForItemRangeType.Til:
{
tmp.Add("prefix_op", "++");
tmp.Add("op", "!=");
break;
}
}
template = tmp;
}
else
{
Template tmp = new Template("for (auto <var> = <from>; <var> <op> <to>; <var> = <var> + <by>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("from", node.From.Accept(this));
tmp.Add("to", node.To.Accept(this));
tmp.Add("by", node.By.Accept(this));
tmp.Add("body", template);
switch (node.Style)
{
case ForItemRangeType.To:
tmp.Add("op", "<=");
break;
case ForItemRangeType.DownTo:
tmp.Add("op", ">=");
break;
case ForItemRangeType.Til:
tmp.Add("op", "!=");
break;
}
template = tmp;
}
break;
}
case ForItemType.When:
{
var node = (ForItemWhen)item;
Template tmp = new Template("if (<expr>) {\n <body>\n}");
tmp.Add("expr", node.Expr.Accept(this));
tmp.Add("body", template);
template = tmp;
break;
}
}
}
return template;
}
public override Template Visit(StmtFor stmt_for)
{
Template template = new Template("<body>");
template.Add("body", stmt_for.Body.Accept(this));
Stack<ForItem> stack = new Stack<ForItem>();
stmt_for.List.ForEach(x => stack.Push(x));
foreach (var item in stack)
{
switch (item.Type)
{
case ForItemType.Each:
{
var node = (ForItemEach)item;
Template tmp = new Template("for (auto <var> : <expr>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("expr", node.Expr.Accept(this));
tmp.Add("body", template);
template = tmp;
break;
}
case ForItemType.To:
{
var node = (ForItemTo)item;
if (node.By == null)
{
Template tmp = new Template("for (auto <var> = <from>; <var> \\<= <to>; ++<var>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("from", node.From.Accept(this));
tmp.Add("to", node.To.Accept(this));
tmp.Add("body", template);
template = tmp;
}
else
{
Template tmp = new Template("for (auto <var> = <from>; <var> \\<= <to>; <var> = <var> + <by>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("from", node.From.Accept(this));
tmp.Add("to", node.To.Accept(this));
tmp.Add("by", node.By.Accept(this));
tmp.Add("body", template);
template = tmp;
}
break;
}
case ForItemType.DownTo:
{
var node = (ForItemDownTo)item;
if (node.By == null)
{
Template tmp = new Template("for (auto <var> = <from>; <var> >= <to>; --<var>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("from", node.From.Accept(this));
tmp.Add("to", node.To.Accept(this));
tmp.Add("body", template);
template = tmp;
}
else
{
Template tmp = new Template("for (auto <var> = <from>; <var> >= <to>; <var> = <var> + <by>) {\n <body>\n}");
tmp.Add("var", node.Var);
tmp.Add("from", node.From.Accept(this));
tmp.Add("to", node.To.Accept(this));
tmp.Add("by", node.By.Accept(this));
tmp.Add("body", template);
template = tmp;
}
break;
}
case ForItemType.When:
{
var node = (ForItemWhen)item;
Template tmp = new Template("if (<expr>) {\n <body>\n}");
tmp.Add("expr", node.Expr.Accept(this));
tmp.Add("body", template);
template = tmp;
break;
}
}
}
return template;
}
private Stmt stmt_for()
{
EnterRule_stmt_for();
EnterRule("stmt_for", 30);
TraceIn("stmt_for", 30);
Stmt value = default(Stmt);
List<ForItem> a = default(List<ForItem>);
StmtBlock b = default(StmtBlock);
try { DebugEnterRule(GrammarFileName, "stmt_for");
DebugLocation(406, 1);
try
{
// SugarWalker.g:407:2: ( ^( Stmt_For a= for_item_list b= stmt_block ) )
DebugEnterAlt(1);
// SugarWalker.g:407:4: ^( Stmt_For a= for_item_list b= stmt_block )
{
DebugLocation(407, 4);
DebugLocation(407, 6);
Match(input,Stmt_For,Follow._Stmt_For_in_stmt_for1598);
Match(input, TokenTypes.Down, null);
DebugLocation(407, 16);
PushFollow(Follow._for_item_list_in_stmt_for1602);
a=for_item_list();
PopFollow();
DebugLocation(407, 32);
PushFollow(Follow._stmt_block_in_stmt_for1606);
b=stmt_block();
PopFollow();
Match(input, TokenTypes.Up, null);
DebugLocation(408, 2);
value = new StmtFor(a, b);
}
}
catch (RecognitionException re)
{
ReportError(re);
Recover(input,re);
}
finally
{
TraceOut("stmt_for", 30);
LeaveRule("stmt_for", 30);
LeaveRule_stmt_for();
}
DebugLocation(411, 1);
} finally { DebugExitRule(GrammarFileName, "stmt_for"); }
return value;
}
public ExprListGeneration(SugarType type, StmtFor stmt_for, Expr expr)
{
this.For = stmt_for;
this.Expr = expr;
this.Type = type;
}
public abstract Template Visit(StmtFor stmt_for);
public ExprListGeneration(SugarType type, StmtFor stmt_for, Expr expr)
{
this.For = stmt_for;
this.Expr = expr;
this.Type = type;
}
public abstract Template Visit(StmtFor stmt_for);
