public int GetWantedIndents(FontScheme fonts, List<Line> lines, int index)
{
if (edited) Restyle(fonts, lines, index);
int indents = index > 0 ? lines[index - 1].Indents : 0;
shortndentDepth = 0;
if (index > 0)
{
/* if previous had
* <if, while, for, else>
* without semicolon or block begin, indent + 1
*/
if (!tokens.Any(t => t is TLBrace))
{
for (int i = lines[index - 1].tokens.Count - 1; i >= 0; i--)
{
if (lines[index - 1].tokens[i] is TSemicolon || lines[index - 1].tokens[i] is TLBrace)
break;
if (lines[index - 1].tokens[i] is TIf || lines[index - 1].tokens[i] is TWhile ||
lines[index - 1].tokens[i] is TFor || lines[index - 1].tokens[i] is TElse)
{
shortndentDepth = lines[index - 1].shortndentDepth + 1;
indents++;
break;
}
}
}
if (shortndentDepth == 0)
{
indents -= lines[index - 1].shortndentDepth;
}
//If previos had any open unmatched paraenthsis ({, [ or (), add indents
int openParens = 0;
for (int i = 0; i < lines[index - 1].tokens.Count; i++)
{
if (lines[index - 1].tokens[i] is TLParen || lines[index - 1].tokens[i] is TLBrace || lines[index - 1].tokens[i] is TLBracket)
openParens++;
if (openParens > 0 && (lines[index - 1].tokens[i] is TRParen || lines[index - 1].tokens[i] is TRBrace || lines[index - 1].tokens[i] is TRBracket))
openParens--;
}
if (openParens > 0)
indents += openParens;
//If current has any unmatched close paranthisiaq (}, ] or )), remove indents
openParens = 0;
for (int i = 0; i < tokens.Count; i++)
{
if (tokens[i] is TLParen || tokens[i] is TLBrace || tokens[i] is TLBracket)
openParens++;
if (tokens[i] is TRParen || tokens[i] is TRBrace || tokens[i] is TRBracket)
openParens--;
}
if (openParens < 0)
indents += openParens;
//In switch, case <exp>: is pushed one step left
if (lines[index - 1].tokens.Any(t => t is TColon) && lines[index - 1].tokens.Any(t => t is TCase))
indents++;
//Except from the first one
if (tokens.Any(t => t is TColon) && tokens.Any(t => t is TCase))
{
bool isFirstSwitch = true;
//If switch is on same line.. ignore
int colonIndex = tokens.IndexOf(tokens.First(t => t is TColon));
if (!tokens.Any(t => t is TSwitch) || tokens.IndexOf(tokens.First(t => t is TSwitch)) > colonIndex)
{
for (int line = index - 1; line >= 0; line--)
{
if (lines[line].tokens.Any(t => t is TColon))
{
isFirstSwitch = false;
break;
}
if (lines[line].tokens.Any(t => t is TSwitch))
{
break;
}
}
}
if (!isFirstSwitch)
indents--;
}
//The } to end a switch should be pushed an extra step back.
for (int i = 0; i < tokens.Count; i++)
{
if (tokens[i] is TRBrace)
{
openParens = 1;
for (int j = i - 1; j >= 0; j--)
{
if (tokens[j] is TRBrace)
openParens++;
if (tokens[j] is TLBrace)
openParens--;
}
if (openParens > 0)
{
int stage = 1;
for (int line = index - 1; line >= 0 && stage < 5; line--)
{
for (int j = lines[line].tokens.Count - 1; j >= 0 && stage < 5; j--)
{
switch (stage)
{
case 1://Look for matching {
if (lines[line].tokens[j] is TRBrace)
openParens++;
if (lines[line].tokens[j] is TLBrace)
{
openParens--;
if (openParens == 0)
stage++;
}
break;
case 2://Previos MUST be )
if (lines[line].tokens[j] is TWhiteSpace)
break;
if (lines[line].tokens[j] is TRParen)
{
stage++;
openParens = 1;
}
else
stage = 5;
break;
case 3://Look for matching (
if (lines[line].tokens[j] is TRParen)
openParens++;
if (lines[line].tokens[j] is TLParen)
{
openParens--;
if (openParens == 0)
stage++;
}
break;
case 4://If previous is switch, indent more
if (lines[line].tokens[j] is TWhiteSpace)
break;
if (lines[line].tokens[j] is TSwitch)
indents = lines[line].Indents;
stage++;
break;
}
}
}
}
}
}
}
if (indents < 0)
indents = 0;
return indents;
/*
* Old algorithm
*
*
int indents = 0;
bool haveOpenBrace = false;
if (index > 0)
{
for (int i = 0; i < lines[index - 1].Text.Length; i++)
{
if (lines[index - 1].Text[i] == '{')
{
indents++;
haveOpenBrace = true;
}
if (lines[index - 1].Text[i] == '}' && indents > 0)
indents--;
if (lines[index - 1].Text[i] == ':')
indents++;
}
indents += lines[index - 1].Indents;
if (lines[index - 1].oneArmedIndent)
indents--;
}
int newOpens = 0;
for (int i = 0; i < lines[index].Text.Length; i++)
{
if (lines[index].Text[i] == '{')
{
newOpens++;
haveOpenBrace = true;
}
if (lines[index].Text[i] == '}')
if (newOpens > 0)
newOpens--;
else if (indents > 0)
indents--;
if (lines[index].Text[i] == ':' && !haveOpenBrace)
indents--;
}
//If we have a for, while, if or else on previous line with no { on that line or on this line.. increase indents
oneArmedIndent = false;
if (!haveOpenBrace && index > 0)
{
if (lines[index - 1].Text.Contains(" if ") ||
lines[index - 1].Text.Contains(" if(") ||
lines[index - 1].Text.Contains(" for ") ||
lines[index - 1].Text.Contains(" for(") ||
lines[index - 1].Text.Contains(" while ") ||
lines[index - 1].Text.Contains(" while(") ||
lines[index - 1].Text.Contains(" else ") ||
lines[index - 1].Text.EndsWith(" else"))
{
oneArmedIndent = true;
indents++;
}
}
return indents;*/
}
public float GetWidth(FontScheme fonts)
{
Graphics g = Graphics.FromImage(new Bitmap(1, 1));
return g.MeasureString(Text, fonts.Base).Width;
}
public void Restyle(FontScheme fonts, List<Line> list, int lineNr)
{
fontMods.Clear();
bool inBlockComment = lineNr > 0 && list[lineNr - 1].blockCommentAtEnd;
bool blockCommetAtStart = inBlockComment;
bool hadBlockCommentAtEnd = blockCommentAtEnd;
blockCommentAtEnd = false;
Lexer lexer = new Lexer(new StringReader(Text));
tokens.Clear();
List<Token> tokensNoWS = new List<Token>();
Token token = null;
while (true)
{
try
{
token = lexer.Next();
if (token is EOF)
break;
}
catch (Exception)
{
continue;
}
//Don't add comments to the list
if (!(inBlockComment || token is TCommentBegin || token is TTraditionalComment || token is TEndOfLineComment || token is TDocumentationComment))
{
tokens.Add(token);
if (!(token is TWhiteSpace))
tokensNoWS.Add(token);
}
if (inBlockComment)
{
if (token is TCommentEnd)
{
fontMods.Add(new Interval(0, token.Pos + 1), Options.FontStyles.Comments);
inBlockComment = false;
continue;
}
}
else
{
if (token is TTraditionalComment || token is TEndOfLineComment || token is TDocumentationComment)
{
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), Options.FontStyles.Comments);
continue;
}
if (token is TCommentBegin)
{
fontMods.Add(new Interval(token.Pos - 1, Text.Length - token.Pos + 1), Options.FontStyles.Comments);
inBlockComment = true;
continue;
}
if (token is TStringLiteral || token is TCharLiteral)
{
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), Options.FontStyles.Strings);
continue;
}
if (token is TUnknown && (token.Text == "\"" || token.Text == "'"))
{
fontMods.Add(new Interval(token.Pos - 1, Text.Length - token.Pos + 1), Options.FontStyles.Strings);
continue;
}
foreach (KeyValuePair<Options.FontStyles, List<string>> modification in fonts.Modifications)
{
if (modification.Value.Any(m => m == token.Text))
{
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), modification.Key);
continue;
}
}
if (token is TLParen && tokensNoWS.Count > 1)
{
Token prevToken = tokensNoWS[tokensNoWS.Count - 2];
if (prevToken is TIdentifier && Form1.Form.compiler.libraryData.Methods.Any(m => m.GetName().Text == prevToken.Text) &&
prevToken.Text != "InitMap")
{
bool isCustom = false;
if (tokensNoWS.Count > 2)
{
Token prevToken2 = tokensNoWS[tokensNoWS.Count - 3];
if (prevToken2 is TDot || prevToken2 is TArrow)
isCustom = true;
}
if (!isCustom)
{
fontMods.Add(new Interval(prevToken.Pos - 1, prevToken.Text.Length), Options.FontStyles.NativeCalls);
continue;
}
}
}
}
}
blockCommentAtEnd = inBlockComment;
if (blockCommetAtStart == blockCommentAtEnd && blockCommetAtStart && fontMods.Count == 0)
{
fontMods.Add(new Interval(0, Text.Length), Options.FontStyles.Comments);
}
if (blockCommentAtEnd != hadBlockCommentAtEnd && lineNr + 1 < list.Count)
list[lineNr + 1].edited = list[lineNr + 1].Invalidated = true;
//Structs: identifier <identifer, star, lbracket, lbrace, nothing, dot>
List<string> structNames = new List<string>();
foreach (SourceFileContents sourceFile in Form1.Form.compiler.ParsedSourceFiles)
{
foreach (StructDescription str in sourceFile.GetAllStructs())
{
structNames.Add(str.Name);
}
}
for (int i = 0; i < tokensNoWS.Count; i++)
{
token = tokensNoWS[i];
if (token is TIdentifier && !fontMods.Any(k => k.Key.Contains(token.Pos)) &&
structNames.Contains(token.Text))
{
if (i < tokensNoWS.Count - 1 && !(tokensNoWS[i + 1] is TIdentifier ||
tokensNoWS[i + 1] is TStar || tokensNoWS[i + 1] is TLBracket ||
tokensNoWS[i + 1] is TLBrace || tokensNoWS[i + 1] is TDot || tokensNoWS[i + 1] is TLt))
{
if (
!(i > 0 &&
(tokensNoWS[i - 1] is TStruct || tokensNoWS[i - 1] is TClassToken ||
tokensNoWS[i - 1] is TRBracket) && tokensNoWS[i + 1] is TColon))
continue;
}
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), Options.FontStyles.Structs);
}
}
edited = false;
}
private void DrawLine(int lineNr, Graphics g, Rectangle bounds, FontScheme fonts)
{
Line line = lineNr < lines.Count ? lines[lineNr] : null;
if (line != null)
{
if (!line.Invalidated && !InvalidateAll)
return;
if (line.edited || RestyleAll) line.Restyle(fonts, lines, lineNr);
DrawLineBackground(g, bounds);
//g.DrawString(line.Text, fonts.Base, Brushes.Black, bounds.X, bounds.Y);
DrawString(g, lineNr, line.Text, bounds);
if (line.BlockEndLine != null && !line.BlockVisible)
{
//Draw ... box
Rectangle boxBounds = new Rectangle(bounds.X + (line.Text.Length + 1) * fonts.CharWidth, bounds.Y, 4*fonts.CharWidth, bounds.Height - 1);
Pen controlPen = new Pen(Color.FromArgb(165, 165, 165));
g.DrawRectangle(controlPen, boxBounds);
for (int i = 0; i < 3; i++)
{
g.DrawString(".", fonts.Base, new SolidBrush(controlPen.Color), boxBounds.X + i * fonts.CharWidth, boxBounds.Y);
}
}
line.Invalidated = false;
}
else
{
DrawLineBackground(g, bounds);
}
}
public void SetFontScheme(FontScheme scheme)
{
fonts = scheme;
RestyleAll = true;
InvalidateAll = true;
Invalidate();
}
public int GetWantedIndents(FontScheme fonts, List <Line> lines, int index)
{
if (edited)
{
Restyle(fonts, lines, index);
}
int indents = index > 0 ? lines[index - 1].Indents : 0;
shortndentDepth = 0;
if (index > 0)
{
/* if previous had
* <if, while, for, else>
* without semicolon or block begin, indent + 1
*/
if (!tokens.Any(t => t is TLBrace))
{
for (int i = lines[index - 1].tokens.Count - 1; i >= 0; i--)
{
if (lines[index - 1].tokens[i] is TSemicolon || lines[index - 1].tokens[i] is TLBrace)
{
break;
}
if (lines[index - 1].tokens[i] is TIf || lines[index - 1].tokens[i] is TWhile ||
lines[index - 1].tokens[i] is TFor || lines[index - 1].tokens[i] is TElse)
{
shortndentDepth = lines[index - 1].shortndentDepth + 1;
indents++;
break;
}
}
}
if (shortndentDepth == 0)
{
indents -= lines[index - 1].shortndentDepth;
}
//If previos had any open unmatched paraenthsis ({, [ or (), add indents
int openParens = 0;
for (int i = 0; i < lines[index - 1].tokens.Count; i++)
{
if (lines[index - 1].tokens[i] is TLParen || lines[index - 1].tokens[i] is TLBrace || lines[index - 1].tokens[i] is TLBracket)
{
openParens++;
}
if (openParens > 0 && (lines[index - 1].tokens[i] is TRParen || lines[index - 1].tokens[i] is TRBrace || lines[index - 1].tokens[i] is TRBracket))
{
openParens--;
}
}
if (openParens > 0)
{
indents += openParens;
}
//If current has any unmatched close paranthisiaq (}, ] or )), remove indents
openParens = 0;
for (int i = 0; i < tokens.Count; i++)
{
if (tokens[i] is TLParen || tokens[i] is TLBrace || tokens[i] is TLBracket)
{
openParens++;
}
if (tokens[i] is TRParen || tokens[i] is TRBrace || tokens[i] is TRBracket)
{
openParens--;
}
}
if (openParens < 0)
{
indents += openParens;
}
//In switch, case <exp>: is pushed one step left
if (lines[index - 1].tokens.Any(t => t is TColon) && lines[index - 1].tokens.Any(t => t is TCase))
{
indents++;
}
//Except from the first one
if (tokens.Any(t => t is TColon) && tokens.Any(t => t is TCase))
{
bool isFirstSwitch = true;
//If switch is on same line.. ignore
int colonIndex = tokens.IndexOf(tokens.First(t => t is TColon));
if (!tokens.Any(t => t is TSwitch) || tokens.IndexOf(tokens.First(t => t is TSwitch)) > colonIndex)
{
for (int line = index - 1; line >= 0; line--)
{
if (lines[line].tokens.Any(t => t is TColon))
{
isFirstSwitch = false;
break;
}
if (lines[line].tokens.Any(t => t is TSwitch))
{
break;
}
}
}
if (!isFirstSwitch)
{
indents--;
}
}
//The } to end a switch should be pushed an extra step back.
for (int i = 0; i < tokens.Count; i++)
{
if (tokens[i] is TRBrace)
{
openParens = 1;
for (int j = i - 1; j >= 0; j--)
{
if (tokens[j] is TRBrace)
{
openParens++;
}
if (tokens[j] is TLBrace)
{
openParens--;
}
}
if (openParens > 0)
{
int stage = 1;
for (int line = index - 1; line >= 0 && stage < 5; line--)
{
for (int j = lines[line].tokens.Count - 1; j >= 0 && stage < 5; j--)
{
switch (stage)
{
case 1: //Look for matching {
if (lines[line].tokens[j] is TRBrace)
{
openParens++;
}
if (lines[line].tokens[j] is TLBrace)
{
openParens--;
if (openParens == 0)
{
stage++;
}
}
break;
case 2: //Previos MUST be )
if (lines[line].tokens[j] is TWhiteSpace)
{
break;
}
if (lines[line].tokens[j] is TRParen)
{
stage++;
openParens = 1;
}
else
{
stage = 5;
}
break;
case 3: //Look for matching (
if (lines[line].tokens[j] is TRParen)
{
openParens++;
}
if (lines[line].tokens[j] is TLParen)
{
openParens--;
if (openParens == 0)
{
stage++;
}
}
break;
case 4: //If previous is switch, indent more
if (lines[line].tokens[j] is TWhiteSpace)
{
break;
}
if (lines[line].tokens[j] is TSwitch)
{
indents = lines[line].Indents;
}
stage++;
break;
}
}
}
}
}
}
}
if (indents < 0)
{
indents = 0;
}
return(indents);
/*
* Old algorithm
*
*
* int indents = 0;
* bool haveOpenBrace = false;
* if (index > 0)
* {
* for (int i = 0; i < lines[index - 1].Text.Length; i++)
* {
* if (lines[index - 1].Text[i] == '{')
* {
* indents++;
* haveOpenBrace = true;
* }
* if (lines[index - 1].Text[i] == '}' && indents > 0)
* indents--;
* if (lines[index - 1].Text[i] == ':')
* indents++;
* }
* indents += lines[index - 1].Indents;
* if (lines[index - 1].oneArmedIndent)
* indents--;
* }
* int newOpens = 0;
* for (int i = 0; i < lines[index].Text.Length; i++)
* {
* if (lines[index].Text[i] == '{')
* {
* newOpens++;
* haveOpenBrace = true;
* }
* if (lines[index].Text[i] == '}')
* if (newOpens > 0)
* newOpens--;
* else if (indents > 0)
* indents--;
* if (lines[index].Text[i] == ':' && !haveOpenBrace)
* indents--;
* }
* //If we have a for, while, if or else on previous line with no { on that line or on this line.. increase indents
* oneArmedIndent = false;
* if (!haveOpenBrace && index > 0)
* {
* if (lines[index - 1].Text.Contains(" if ") ||
* lines[index - 1].Text.Contains(" if(") ||
* lines[index - 1].Text.Contains(" for ") ||
* lines[index - 1].Text.Contains(" for(") ||
* lines[index - 1].Text.Contains(" while ") ||
* lines[index - 1].Text.Contains(" while(") ||
* lines[index - 1].Text.Contains(" else ") ||
* lines[index - 1].Text.EndsWith(" else"))
* {
* oneArmedIndent = true;
* indents++;
* }
* }
* return indents;*/
}
public void Restyle(FontScheme fonts, List <Line> list, int lineNr)
{
fontMods.Clear();
bool inBlockComment = lineNr > 0 && list[lineNr - 1].blockCommentAtEnd;
bool blockCommetAtStart = inBlockComment;
bool hadBlockCommentAtEnd = blockCommentAtEnd;
blockCommentAtEnd = false;
Lexer lexer = new Lexer(new StringReader(Text));
tokens.Clear();
List <Token> tokensNoWS = new List <Token>();
Token token = null;
while (true)
{
try
{
token = lexer.Next();
if (token is EOF)
{
break;
}
}
catch (Exception)
{
continue;
}
//Don't add comments to the list
if (!(inBlockComment || token is TCommentBegin || token is TTraditionalComment || token is TEndOfLineComment || token is TDocumentationComment))
{
tokens.Add(token);
if (!(token is TWhiteSpace))
{
tokensNoWS.Add(token);
}
}
if (inBlockComment)
{
if (token is TCommentEnd)
{
fontMods.Add(new Interval(0, token.Pos + 1), Options.FontStyles.Comments);
inBlockComment = false;
continue;
}
}
else
{
if (token is TTraditionalComment || token is TEndOfLineComment || token is TDocumentationComment)
{
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), Options.FontStyles.Comments);
continue;
}
if (token is TCommentBegin)
{
fontMods.Add(new Interval(token.Pos - 1, Text.Length - token.Pos + 1), Options.FontStyles.Comments);
inBlockComment = true;
continue;
}
if (token is TStringLiteral || token is TCharLiteral)
{
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), Options.FontStyles.Strings);
continue;
}
if (token is TUnknown && (token.Text == "\"" || token.Text == "'"))
{
fontMods.Add(new Interval(token.Pos - 1, Text.Length - token.Pos + 1), Options.FontStyles.Strings);
continue;
}
foreach (KeyValuePair <Options.FontStyles, List <string> > modification in fonts.Modifications)
{
if (modification.Value.Any(m => m == token.Text))
{
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), modification.Key);
continue;
}
}
if (token is TLParen && tokensNoWS.Count > 1)
{
Token prevToken = tokensNoWS[tokensNoWS.Count - 2];
if (prevToken is TIdentifier && Form1.Form.compiler.libraryData.Methods.Any(m => m.GetName().Text == prevToken.Text) &&
prevToken.Text != "InitMap")
{
bool isCustom = false;
if (tokensNoWS.Count > 2)
{
Token prevToken2 = tokensNoWS[tokensNoWS.Count - 3];
if (prevToken2 is TDot || prevToken2 is TArrow)
{
isCustom = true;
}
}
if (!isCustom)
{
fontMods.Add(new Interval(prevToken.Pos - 1, prevToken.Text.Length), Options.FontStyles.NativeCalls);
continue;
}
}
}
}
}
blockCommentAtEnd = inBlockComment;
if (blockCommetAtStart == blockCommentAtEnd && blockCommetAtStart && fontMods.Count == 0)
{
fontMods.Add(new Interval(0, Text.Length), Options.FontStyles.Comments);
}
if (blockCommentAtEnd != hadBlockCommentAtEnd && lineNr + 1 < list.Count)
{
list[lineNr + 1].edited = list[lineNr + 1].Invalidated = true;
}
//Structs: identifier <identifer, star, lbracket, lbrace, nothing, dot>
List <string> structNames = new List <string>();
foreach (SourceFileContents sourceFile in Form1.Form.compiler.ParsedSourceFiles)
{
foreach (StructDescription str in sourceFile.GetAllStructs())
{
structNames.Add(str.Name);
}
}
for (int i = 0; i < tokensNoWS.Count; i++)
{
token = tokensNoWS[i];
if (token is TIdentifier && !fontMods.Any(k => k.Key.Contains(token.Pos)) &&
structNames.Contains(token.Text))
{
if (i < tokensNoWS.Count - 1 && !(tokensNoWS[i + 1] is TIdentifier ||
tokensNoWS[i + 1] is TStar || tokensNoWS[i + 1] is TLBracket ||
tokensNoWS[i + 1] is TLBrace || tokensNoWS[i + 1] is TDot || tokensNoWS[i + 1] is TLt))
{
if (
!(i > 0 &&
(tokensNoWS[i - 1] is TStruct || tokensNoWS[i - 1] is TClassToken ||
tokensNoWS[i - 1] is TRBracket) && tokensNoWS[i + 1] is TColon))
{
continue;
}
}
fontMods.Add(new Interval(token.Pos - 1, token.Text.Length), Options.FontStyles.Structs);
}
}
edited = false;
}
public float GetWidth(FontScheme fonts)
{
Graphics g = Graphics.FromImage(new Bitmap(1, 1));
return(g.MeasureString(Text, fonts.Base).Width);
}