public void RemoveAllSingleNodes()
{
const string code = @"class K { void m1() {} void m2() { int i; } }";
var cst = CstGenerators.JavaUsingAntlr3.GenerateTreeFromCodeText(code);
var nodes = cst.Descendants().ToList();
var originalNodeCount = nodes.Count;
foreach (var node in nodes)
{
if (node.Parent == null)
{
continue;
}
var single = node.DescendantsOfSingle().LastOrDefault();
if (single != null && node.FirstChild != single)
{
if (single.HasToken)
{
var newToken = new CstToken(node.Name, single.Token.Text, single.Token.RuleId);
node.Replace(new CstNode(newToken, single.Hiddens));
}
else
{
single.Remove();
node.FirstChild.Remove();
node.AddFirst(single);
}
}
}
Console.WriteLine(originalNodeCount + ", " + cst.Descendants().Count());
var actualCode = cst.Code;
Assert.That(actualCode, Is.EqualTo(code));
}
protected override void ApplyMaps(CstToken token)
{
SimpleMapCollection c = SimpleMap.VBNetMaps;
foreach (SimpleMap map in c)
{
if (map.IsRegExp)
{
Regex regex = new Regex(map.Source);
token.Text = regex.Replace(token.Text, map.Target);
}
else
{
token.Text = token.Text.Replace(map.Source, map.Target);
}
}
}
public void RemoveAllSingleNodes() {
const string code = @"class K { void m1() {} void m2() { int i; } }";
var cst = CstGenerators.JavaUsingAntlr3.GenerateTreeFromCodeText(code);
var nodes = cst.Descendants().ToList();
var originalNodeCount = nodes.Count;
foreach (var node in nodes) {
if (node.Parent == null) {
continue;
}
var single = node.DescendantsOfSingle().LastOrDefault();
if (single != null && node.FirstChild != single) {
if (single.HasToken) {
var newToken = new CstToken(node.Name, single.Token.Text, single.Token.RuleId);
node.Replace(new CstNode(newToken, single.Hiddens));
} else {
single.Remove();
node.FirstChild.Remove();
node.AddFirst(single);
}
}
}
Console.WriteLine(originalNodeCount + ", " + cst.Descendants().Count());
var actualCode = cst.Code;
Assert.That(actualCode, Is.EqualTo(code));
}
public void SetLocationInformation(CstNode tree, string code) {
var line = 1;
var pos = 0;
var index = 0;
var startHiddenLocation = new CodeLocation(line, pos);
foreach (var tokenNode in tree.AllTokenNodes()) {
var token = tokenNode.Token;
var tokenStr = token.Text;
if (tokenStr == string.Empty) { // e.g. NEWLINE in Python
token.Range = new CodeRange(startHiddenLocation, startHiddenLocation);
continue;
}
var startHiddenIndex = index;
var tokenChar = tokenStr[0];
while (code[index] != tokenChar
|| code.Substring(index, tokenStr.Length) != tokenStr) {
if (code[index] != '\n') {
pos++;
} else {
line++;
pos = 0;
}
index++;
}
var endHiddenIndex = index;
var startTokenLocation = new CodeLocation(line, pos);
var endIndex = index + tokenStr.Length;
while (index < endIndex) {
if (code[index] != '\n') {
pos++;
} else {
line++;
pos = 0;
}
index++;
}
tokenNode.Hiddens.Add(
new CstToken(
Code2XmlConstants.HiddenElementName,
code.Substring(startHiddenIndex, endHiddenIndex - startHiddenIndex),
Code2XmlConstants.DefaultHiddenRuleId,
new CodeRange(startHiddenLocation, startTokenLocation)));
startHiddenLocation = new CodeLocation(line, pos); // as endTokenLocation
token.Range = new CodeRange(startTokenLocation, startHiddenLocation);
}
{
var startHiddenIndex = index;
var endIndex = code.Length;
while (index < endIndex) {
if (code[index] != '\n') {
pos++;
} else {
line++;
pos = 0;
}
index++;
}
var endHiddenLocation = new CodeLocation(line, pos);
var token = new CstToken(
Code2XmlConstants.EofTokenName, String.Empty, Code2XmlConstants.EofRuleId,
new CodeRange(endHiddenLocation, endHiddenLocation));
var eofNode = new CstNode(token);
eofNode.Hiddens.Add(
new CstToken(
Code2XmlConstants.HiddenElementName,
code.Substring(startHiddenIndex, index - startHiddenIndex),
Code2XmlConstants.DefaultHiddenRuleId,
new CodeRange(startHiddenLocation, endHiddenLocation)));
tree.AddLast(eofNode);
}
}
private void BuildTokens()
{
cstText = cstText.TrimStart();
log.AddEntry("Building Token List...");
Regex ex = new Regex(REGEXP_TOKENIZE, (RegexOptions.Multiline | RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture));
int lastIndex = 0, currentIndex = 0;
string data, rawtag;
int commentListIndex = 0, scriptListIndex = 0, aspListIndex = 0;
CstToken token = null;
while (lastIndex >= 0)
{
Match match = ex.Match(cstText, lastIndex);
if (match.Success)
{
log.AddEntry("--> Found token");
currentIndex = match.Index;
if (currentIndex > lastIndex)
{
token = new CstToken(CstTokenType.Literal, cstText.Substring(lastIndex, currentIndex - lastIndex));
template.Tokens.Add(token);
}
rawtag = match.Value;
switch (rawtag)
{
case CstParser.TMP_START:
token = new CstToken(CstTokenType.EscapedStartTag, "<%");
break;
case CstParser.TMP_END:
token = new CstToken(CstTokenType.EscapedEndTag, "%>");
break;
case CstParser.TMP_COMMENT:
data = comments[commentListIndex].ToString();
token = new CstToken(CstTokenType.Comment, data);
commentListIndex++;
break;
case CstParser.TMP_SCRIPT:
data = scriptBlocks[scriptListIndex].ToString();
token = new CstToken(CstTokenType.RunAtServerCode, data);
scriptListIndex++;
break;
case CstParser.TMP_ASP:
data = aspBlocks[aspListIndex].ToString();
if (data.StartsWith("="))
{
token = new CstToken(CstTokenType.ResponseWriteShortcutCode, data.Remove(0, 1));
}
else
{
token = new CstToken(CstTokenType.Code, data);
}
aspListIndex++;
break;
}
template.Tokens.Add(token);
lastIndex = currentIndex + rawtag.Length;
}
else
{
data = cstText.Substring(lastIndex);
token = new CstToken(CstTokenType.Literal, data);
template.Tokens.Add(token);
lastIndex = -1;
}
}
}
protected abstract void ApplyMaps(CstToken token);
public void SetLocationInformation(CstNode tree, string code)
{
var line = 1;
var pos = 0;
var index = 0;
var startHiddenLocation = new CodeLocation(line, pos);
foreach (var tokenNode in tree.AllTokenNodes())
{
var token = tokenNode.Token;
var tokenStr = token.Text;
if (tokenStr == string.Empty) // e.g. NEWLINE in Python
{
token.Range = new CodeRange(startHiddenLocation, startHiddenLocation);
continue;
}
var startHiddenIndex = index;
var tokenChar = tokenStr[0];
while (code[index] != tokenChar ||
code.Substring(index, tokenStr.Length) != tokenStr)
{
if (code[index] != '\n')
{
pos++;
}
else
{
line++;
pos = 0;
}
index++;
}
var endHiddenIndex = index;
var startTokenLocation = new CodeLocation(line, pos);
var endIndex = index + tokenStr.Length;
while (index < endIndex)
{
if (code[index] != '\n')
{
pos++;
}
else
{
line++;
pos = 0;
}
index++;
}
tokenNode.Hiddens.Add(
new CstToken(
Code2XmlConstants.HiddenElementName,
code.Substring(startHiddenIndex, endHiddenIndex - startHiddenIndex),
Code2XmlConstants.DefaultHiddenRuleId,
new CodeRange(startHiddenLocation, startTokenLocation)));
startHiddenLocation = new CodeLocation(line, pos); // as endTokenLocation
token.Range = new CodeRange(startTokenLocation, startHiddenLocation);
}
{
var startHiddenIndex = index;
var endIndex = code.Length;
while (index < endIndex)
{
if (code[index] != '\n')
{
pos++;
}
else
{
line++;
pos = 0;
}
index++;
}
var endHiddenLocation = new CodeLocation(line, pos);
var token = new CstToken(
Code2XmlConstants.EofTokenName, String.Empty, Code2XmlConstants.EofRuleId,
new CodeRange(endHiddenLocation, endHiddenLocation));
var eofNode = new CstNode(token);
eofNode.Hiddens.Add(
new CstToken(
Code2XmlConstants.HiddenElementName,
code.Substring(startHiddenIndex, index - startHiddenIndex),
Code2XmlConstants.DefaultHiddenRuleId,
new CodeRange(startHiddenLocation, endHiddenLocation)));
tree.AddLast(eofNode);
}
}