private void UpdateCodeBox()
{
CodeBox.Clear();
int index = PassesListBox.SelectedIndex;
if (index == -1)
{
return;
}
TextSection section = (TextSection)PassesListBox.SelectedItem;
TextSection prior = index == 0 ? null : PassesListBox.Items[index - 1] as TextSection;
if (prior == null || section.Text == prior.Text || RightButton.Checked)
{
CodeBox.Text = section.Text;
}
else if (LeftButton.Checked)
{
CodeBox.Text = (prior == null) ? "(no prior text)" : prior.Text;
}
else
{
TextSection.RunDiff(prior, section, CodeBox);
}
CodeBox.Modified = false;
InvalidateApplyChanges();
}
private void ApplyChangesButton_Click(object sender, EventArgs e)
{
// Turn the text into the expected encoding.
IDxcBlobEncoding sourceBlob = EditorForm.CreateBlobForText(this.Library, this.CodeBox.Text);
sourceBlob = this.Library.GetBlobAstUf8(sourceBlob);
IDxcBlob bitcodeBlob = sourceBlob;
List <string> passes = new List <string>();
passes.Add("hlsl-passes-resume");
for (int i = PassesListBox.SelectedIndex; i < PassesListBox.Items.Count; ++i)
{
passes.Add(((TextSection)PassesListBox.Items[i]).Title);
}
string[] options = EditorForm.CreatePassOptions(passes, false, true);
EditorForm.OptimizeResult opt = EditorForm.RunOptimize(this.Library, options, bitcodeBlob);
if (!opt.Succeeded)
{
MessageBox.Show("Failed to optimize: " + opt.ResultText);
return;
}
OptEditorForm form = new OptEditorForm();
form.CodeFont = this.CodeBox.Font;
form.Library = this.Library;
form.HighLevelSource = this.HighLevelSource;
form.Sections = TextSection.EnumerateSections(new string[] { "MODULE-PRINT", "Phase:" }, opt.ResultText).ToArray();
form.StartPosition = FormStartPosition.CenterParent;
form.Show(this);
}
private void btnViewCFGOnly_Click(object sender, EventArgs e)
{
if (PassesListBox.SelectedIndex == -1)
{
MessageBox.Show("Select a pass first");
return;
}
TextSection section = (TextSection)PassesListBox.SelectedItem;
var source = EditorForm.CreateBlobForText(this.Library, section.Text);
source = this.Library.GetBlobAstUf8(source);
string[] options = new string [1];
options[0] = "-view-cfg-only";
EditorForm.OptimizeResult opt = EditorForm.RunOptimize(this.Library, options, source);
if (!opt.Succeeded)
{
MessageBox.Show("Failed to optimize: " + opt.ResultText);
return;
}
string dotText = opt.ResultText.Substring(opt.ResultText.IndexOf("digraph"));
EditorForm.LogContextMenuHelper.ShowDot(dotText);
}
private void btnSaveAll_Click(object sender, EventArgs e)
{
saveFileDialog1.ShowDialog();
string fileName = saveFileDialog1.FileName;
for (int i = 0; i < sections.Length; i++)
{
TextSection Section = sections[i];
string fullName = string.Format("{0}_{1}_{2}.ll", fileName, i, Section.Title);
System.IO.File.WriteAllLines(fullName, Section.Lines);
}
}
private void ApplyChangesButton_Click(object sender, EventArgs e)
{
// Turn the text into a container.
IDxcBlobEncoding sourceBlob = EditorForm.CreateBlobForText(this.Library, this.CodeBox.Text);
EditorForm.AssembleResult assembleResult = EditorForm.RunAssembly(this.Library, sourceBlob);
if (assembleResult.Blob == null)
{
MessageBox.Show("Failed to assemble: " + assembleResult.ResultText);
return;
}
// Extract the bitcode portion.
const uint DxilKind = 0x4c495844; // 'LIXD' - DXIL
uint index;
IDxcContainerReflection reflection = HlslDxcLib.CreateDxcContainerReflection();
reflection.Load(assembleResult.Blob);
reflection.FindFirstPartKind(DxilKind, out index);
IDxcBlob bitcodeBlob = reflection.GetPartContent(index);
List <string> passes = new List <string>();
passes.Add("hlsl-passes-resume");
for (int i = PassesListBox.SelectedIndex; i < PassesListBox.Items.Count; ++i)
{
passes.Add(((TextSection)PassesListBox.Items[i]).Title);
}
string[] options = EditorForm.CreatePassOptions(passes, false, true);
EditorForm.OptimizeResult opt = EditorForm.RunOptimize(this.Library, options, bitcodeBlob);
if (!opt.Succeeded)
{
MessageBox.Show("Failed to optimize: " + opt.ResultText);
return;
}
OptEditorForm form = new OptEditorForm();
form.CodeFont = this.CodeBox.Font;
form.Library = this.Library;
form.HighLevelSource = this.HighLevelSource;
form.Sections = TextSection.EnumerateSections(new string[] { "MODULE-PRINT", "Phase:" }, opt.ResultText).ToArray();
form.StartPosition = FormStartPosition.CenterParent;
form.Show(this);
}
public static void RunDiff(TextSection oldText, TextSection newText, RichTextBox rtb)
{
// Longest common subsequence, simple edition. If/when something faster is needed,
// should probably take a dependency on a proper diff package. Other than shorter
// comparison windows, other things to look for are avoiding creating strings here,
// working on the RichTextBox buffer directly for color, and unique'ing lines.
string[] oldLines = oldText.Lines;
string[] newLines = newText.Lines;
// Reduce strings to hashes.
int[] oldHashes = oldText.LineHashes;
int[] newHashes = newText.LineHashes;
// Reduce by trimming prefix and suffix.
int diffStart = 0;
while (diffStart < oldHashes.Length && diffStart < newHashes.Length && oldHashes[diffStart] == newHashes[diffStart])
{
diffStart++;
}
int newDiffEndExc = newLines.Length, oldDiffEndExc = oldLines.Length;
while (newDiffEndExc > diffStart && oldDiffEndExc > diffStart)
{
if (oldHashes[oldDiffEndExc - 1] == newHashes[newDiffEndExc - 1])
{
oldDiffEndExc--;
newDiffEndExc--;
}
else
{
break;
}
}
int suffixLength = (newLines.Length - newDiffEndExc);
// Build LCS table.
int oldLen = oldDiffEndExc - diffStart, newLen = newDiffEndExc - diffStart;
int[,] lcs = new int[oldLen + 1, newLen + 1]; // already zero-initialized
for (int i = 0; i < oldLen; i++)
{
for (int j = 0; j < newLen; j++)
{
if (oldHashes[i + diffStart] == newHashes[j + diffStart])
{
lcs[i + 1, j + 1] = lcs[i, j] + 1;
}
else
{
lcs[i + 1, j + 1] = Math.Max(lcs[i, j + 1], lcs[i + 1, j]);
}
}
}
// Print the diff - common prefix, backtracked diff and common suffix.
rtb.AppendLines(" ", newLines, 0, diffStart, Color.White);
{
int i = oldLen, j = newLen;
Stack <string> o = new Stack <string>();
for (;;)
{
if (i > 0 && j > 0 && oldHashes[diffStart + i - 1] == newHashes[diffStart + j - 1])
{
o.Push(" " + oldLines[diffStart + i - 1]);
i--;
j--;
}
else if (j > 0 && (i == 0 || lcs[i, j - 1] >= lcs[i - 1, j]))
{
o.Push("+ " + newLines[diffStart + j - 1]);
j--;
}
else if (i > 0 && (j == 0 || lcs[i, j - 1] < lcs[i - 1, j]))
{
o.Push("- " + oldLines[diffStart + i - 1]);
i--;
}
else
{
break;
}
}
while (o.Count != 0)
{
string line = o.Pop();
Color c = (line[0] == ' ') ? Color.White :
((line[0] == '+') ? Color.Yellow : Color.Red);
rtb.AppendLine(line, c);
}
}
rtb.AppendLines(" ", newLines, newDiffEndExc, (newLines.Length - newDiffEndExc), Color.White);
}