public void Run(bool grep_only)
{
GenerateAndCompileTemplates();
CreateAllTemplateInstances();
foreach (var full_pass_name in _piggy._application.OrderedPasses)
{
// Separate the pass name into "template name" "." "pass name"
var pass_name_regex = new Regex("^(?<template_name>[^.]+)[.](?<pass_name>.*)$");
var match = pass_name_regex.Match(full_pass_name);
if (!match.Success)
{
throw new Exception("template.pass " + full_pass_name + " does not exist.");
}
var template_name = match.Groups["template_name"].Value;
var pass_name = match.Groups["pass_name"].Value;
var template = _piggy._templates.Find(t => t.TemplateName == template_name);
var passes = GetAllPassesNamed(template, pass_name);
var regex = new TreeRegEx(_piggy, passes, _instances[template.Type]);
regex.Match();
if (grep_only)
{
OutputMatches(regex);
}
else
{
PatternMatchingEngine(regex);
}
}
}
public void OutputMatches(TreeRegEx re)
{
foreach (var x in re._top_level_matches)
{
var a = x;
Console.WriteLine(TreeRegEx.GetText(a));
}
}
public void PatternMatchingEngine(TreeRegEx re)
{
// Step though all top level matches, then the path for each.
foreach (var zz in re._top_level_matches)
{
var a = zz; // tree
if (Piggy._debug_information)
{
Console.Error.WriteLine("------");
Console.Error.WriteLine(a.GetText());
}
foreach (var path in re._matches_path_start[a])
{
var pe = path.GetEnumerator();
pe.MoveNext();
for (;;)
{
Path cpe = pe.Current;
if (Piggy._debug_information)
{
Console.Error.WriteLine(cpe.LastEdge + " " + cpe.InputText.Truncate(40));
}
if (0 != (cpe.LastEdge.EdgeModifiers & (int)Edge.EdgeModifiersEnum.Text))
{
var x = cpe.LastEdge.Input;
{
var s = x;
var s2 = s.Substring(2);
var s3 = s2.Substring(0, s2.Length - 2);
Console.Write(s3);
}
}
else if (cpe.LastEdge.IsCode)
{
// move back to find a terminal.
var find = cpe;
IParseTree con = null;
for (;;)
{
if (find == null)
{
break;
}
if (find.LastEdge.IsEmpty || find.LastEdge.IsCode || find.LastEdge.IsText)
{
find = find.Next;
continue;
}
con = find.Input;
if (con != null)
{
break;
}
find = find.Next;
}
while (con != null)
{
if (con as AstParserParser.NodeContext != null)
{
break;
}
con = re._ast.Parents()[con];
}
var x = cpe.LastEdge.AstList;
if (x.Count() > 1)
{
throw new Exception("Cannot execute multiple code blocks.");
}
var main = _piggy._code_blocks[x.First()];
var type = re._current_type;
var instance = re._instance;
object[] aa = { new Tree(re._ast.Parents(), re._ast, con, re._common_token_stream) };
var res = main.Invoke(instance, aa);
}
if (!pe.MoveNext())
{
break;
}
}
}
}
}
