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Rewrite lexer from scratch

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Sinai committed 2021-05-10 15:58:49 +10:00
1 parent 06122fe8c9
commit caad39bb9a
20 files changed
+650 -937
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src/UI/CSConsole/CSConsole.cs
+21 -45
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@@ -55,7 +55,7 @@ The following helper methods are available:
#endregion
public static ScriptEvaluator Evaluator;
public static CSLexer Lexer;
public static LexerBuilder Lexer;
private static StringBuilder evaluatorOutput;
private static HashSet<string> usingDirectives;
@@ -72,7 +72,7 @@ The following helper methods are available:
{
try
{
Lexer = new CSLexer();
Lexer = new LexerBuilder();
ResetConsole(false);
Evaluator.Compile("0 == 0");
@@ -173,8 +173,8 @@ The following helper methods are available:
}
}
if (EnableAutoIndent && InputManager.GetKeyDown(KeyCode.Return))
DoAutoIndent();
//if (EnableAutoIndent && InputManager.GetKeyDown(KeyCode.Return))
// DoAutoIndent();
//if (EnableAutocompletes && InputField.isFocused)
//{
@@ -183,55 +183,31 @@ The following helper methods are available:
//}
}
// Invoked at most once per frame
private static void OnConsoleInputChanged(string input)
{
// todo update auto completes
// todo update syntax highlight
// update syntax highlight
Panel.HighlightText.text = Lexer.SyntaxHighlight(input);
}
// TODO?
//private static void DoAutoIndent()
//{
// int caret = Panel.LastCaretPosition;
// Panel.InputField.Text = Lexer.AutoIndentOnEnter(InputField.text, ref caret);
// InputField.caretPosition = caret;
//
// Panel.InputText.Rebuild(CanvasUpdate.Prelayout);
// InputField.ForceLabelUpdate();
// InputField.Rebuild(CanvasUpdate.Prelayout);
//
// OnConsoleInputChanged(InputField.text);
//}
// Autocompletes
private static string SyntaxHighlight(string input)
{
var sb = new StringBuilder();
int curIdx = 0;
foreach (var match in Lexer.GetMatches(input))
{
// append non-highlighted text between last match and this
for (int i = curIdx; i < match.startIndex; i++)
sb.Append(input[i]);
// append the highlighted match
sb.Append(match.htmlColorTag);
for (int i = match.startIndex; i < match.endIndex; i++)
sb.Append(input[i]);
sb.Append(SignatureHighlighter.CLOSE_COLOR);
// update the index
curIdx = match.endIndex;
}
return sb.ToString();
}
// Indent
private static void DoAutoIndent()
{
int caret = Panel.LastCaretPosition;
Panel.InputField.Text = Lexer.AutoIndentOnEnter(InputField.text, ref caret);
InputField.caretPosition = caret;
Panel.InputText.Rebuild(CanvasUpdate.Prelayout);
InputField.ForceLabelUpdate();
InputField.Rebuild(CanvasUpdate.Prelayout);
OnConsoleInputChanged(InputField.text);
}
}
}