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Better statement moving

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This commit is contained in:
Brian Fiete 2020-09-07 05:52:24 -07:00
parent 4c69cb6f62
commit 4f5a981598
1 changed files with 98 additions and 39 deletions
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137
IDE/src/ui/SourceEditWidgetContent.bf
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@ -2150,7 +2150,7 @@ namespace IDE.ui
{
None,
Normal,
Method
Declaration
}
StatementKind GetStatementRange(int startCheckPos, StatementRangeFlags flags, out int startIdx, out int endIdx, out char8 endChar)
@ -2160,11 +2160,14 @@ namespace IDE.ui
endIdx = -1;
endChar = 0;
if (mData.mTextLength == 0)
return .None;
GetLineCharAtIdx(startCheckPos, var line, var lineChar);
GetBlockStart(line, var foundBlockStartIdx, var blockOpenSpaceCount);
if (foundBlockStartIdx < 0)
return .None;
foundBlockStartIdx = 0;
bool expectingStatement = true;
int stmtCommentStart = -1;
@ -2176,13 +2179,15 @@ namespace IDE.ui
int lastCrPos = -1;
int braceCount = 0;
int innerBraceCount = 0;
bool hadOuterMethodColoring = false;
bool hadOuterDeclaration = false;
int lastOpenBrace = -1;
int lastCloseBrace = -1;
int commentLineStart = -1;
int commentStart = -1;
bool lineIsComment = false;
bool lineHasComment = false;
bool prevLineHasComment = false;
bool lineHasNonComment = false;
for (int checkPos = foundBlockStartIdx; true; checkPos++)
@ -2200,8 +2205,9 @@ namespace IDE.ui
commentStart = -1;
commentLineStart = -1;
}
lineIsComment = false;
prevLineHasComment = lineHasComment;
lineHasNonComment = false;
lineHasComment = false;
}
if (checkC.IsWhiteSpace)
@ -2210,6 +2216,7 @@ namespace IDE.ui
let displayType = (SourceElementType)mData.mText[checkPos].mDisplayTypeId;
if (displayType == .Comment)
{
lineHasComment = true;
if (!lineHasNonComment)
{
if (commentStart == -1)
@ -2255,31 +2262,33 @@ namespace IDE.ui
if (parenCount != 0)
continue;
if (displayType == .Method)
hadOuterMethodColoring = true;
if ((displayType == .Method) || (displayType == .Type) || (displayType == .RefType) || (displayType == .Interface))
hadOuterDeclaration = true;
if ((displayType == .Normal) &&
((checkC == '{') || (checkC == '}') || (checkC == ';')))
{
if (checkC == '{')
{
lastOpenBrace = checkPos;
if (braceCount == 0)
lastOpenBrace = checkPos;
braceCount++;
}
if (checkC == '}')
{
lastCloseBrace = checkPos;
braceCount--;
if (braceCount == 0)
lastCloseBrace = checkPos;
}
if ((checkPos >= startCheckPos) && (!expectingStatement))
{
if (checkC == '{')
{
if (hadOuterMethodColoring)
statementKind = .Method;
if (hadOuterDeclaration)
statementKind = .Declaration;
if ((flags.HasFlag(.IncludeBlock)) || (statementKind == .Method))
if ((flags.HasFlag(.IncludeBlock)) || (statementKind == .Declaration))
{
innerBraceCount++;
continue;
@ -2302,7 +2311,7 @@ namespace IDE.ui
}
expectingStatement = true;
hadOuterMethodColoring = false;
hadOuterDeclaration = false;
}
else if (expectingStatement)
{
@ -2314,7 +2323,10 @@ namespace IDE.ui
expectingStatement = false;
stmtStart = checkPos;
stmtCommentStart = commentStart;
if (prevLineHasComment)
stmtCommentStart = commentStart;
else
stmtCommentStart = -1;
}
lastNonWS = checkPos;
@ -2325,11 +2337,11 @@ namespace IDE.ui
return .None;
// If out starting pos is within a method then select the whole thing
if ((startCheckPos >= lastOpenBrace) && (startCheckPos <= lastCloseBrace) && (braceCount != 0))
if ((startCheckPos >= lastOpenBrace) && (startCheckPos <= lastCloseBrace) /*&& (braceCount != 0)*/)
{
let checkStmtKind = GetStatementRange(Math.Max(lastOpenBrace - 1, 0), .None, var checkStartIdx, var checkEndIdx, var checkEndChar);
//if ((checkStmtKind == .Method) && (startCheckPos >= checkStartIdx) && (startCheckPos <= checkEndIdx))
if (checkStmtKind == .Method)
if ((checkStmtKind == .Declaration) && (startCheckPos >= checkStartIdx) && (startCheckPos <= checkEndIdx) /*&& (checkStartIdx > foundBlockStartIdx)*/)
//if (checkStmtKind == .Method)
{
startIdx = checkStartIdx;
endIdx = checkEndIdx;
@ -2380,6 +2392,7 @@ namespace IDE.ui
var prevCursorLineAndColumn = CursorLineAndColumn;
var str = scope String();
int startSelPos = mSelection.Value.MinPos;
ExtractString(mSelection.Value.MinPos, mSelection.Value.Length, str);
DeleteSelection();
@ -2394,11 +2407,27 @@ namespace IDE.ui
GetLinePosition(Math.Max(offsetLinePos, 0), var offsetLineStart, var offsetLineEnd);
String offsetText = scope .();
ExtractString(offsetLineStart, offsetLineEnd - offsetLineStart, offsetText);
bool needsBlankLine = false;
if (isStatementAware)
{
if (movingDown)
{
if (IsLineWhiteSpace(offsetLinePos - 1))
{
// Allow moving methods with spaces between them
GetLinePosition(Math.Max(offsetLinePos, 0), var toLineStart, var toLineEnd);
if (GetStatementRange(toLineStart, .AllowInnerMethodSelect, var stmtStartIdx, var stmtEndIdx, var stmtEndChar) == .Declaration)
{
if (startSelPos < stmtStartIdx)
{
needsBlankLine = true;
CursorLineAndColumn = .(offsetLinePos - 1, 0);
DeleteLine();
}
}
}
GetLinePosition(Math.Max(offsetLinePos - 1, 0), var toLineStart, var toLineEnd);
String txt = scope .();
ExtractString(toLineStart, toLineEnd - toLineStart, txt);
@ -2413,13 +2442,12 @@ namespace IDE.ui
if (stmtEndChar == '{')
offsetLinePos++;
}
else if (GetStatementRange(toLineStart, .AllowInnerMethodSelect, var stmtStartIdx, var stmtEndIdx, var stmtEndChar) == .Method)
else if (GetStatementRange(toLineStart, .AllowInnerMethodSelect, var stmtStartIdx, var stmtEndIdx, var stmtEndChar) == .Declaration)
{
if (stmtStartIdx <= toLineStart)
if (stmtEndIdx <= toLineEnd)
{
GetLineCharAtIdx(stmtEndIdx, var endLine, var endChar);
//if (offsetLinePos)
offsetLinePos = endLine + 1;
offsetLinePos = endLine;
}
}
}
@ -2429,19 +2457,50 @@ namespace IDE.ui
String txt = scope .();
ExtractString(toLineStart, toLineEnd - toLineStart, txt);
if (GetStatementRange(toLineStart, .None, var stmtStartIdx, var stmtEndIdx, var stmtEndChar) == .None)
Move: do
{
if (stmtEndChar == '{')
GetLinePosition(Math.Max(offsetLinePos - 1, 0), out toLineStart, out toLineEnd);
}
if (IsLineWhiteSpace(offsetLinePos))
{
// Allow moving methods with spaces between them
GetLinePosition(Math.Max(offsetLinePos - 1, 0), var checkLineStart, var checkLineEnd);
if (GetStatementRange(checkLineStart, .AllowInnerMethodSelect, var stmtStartIdx, var stmtEndIdx, var stmtEndChar) == .Declaration)
{
if (startSelPos >= stmtEndIdx)
{
CursorLineAndColumn = .(offsetLinePos, 0);
DeleteLine();
offsetLinePos--;
GetLinePosition(Math.Max(offsetLinePos, 0), out toLineStart, out toLineEnd);
str.Append("\n");
}
}
}
if (GetStatementRange(toLineStart, .AllowInnerMethodSelect, var stmtStartIdx, var stmtEndIdx, var stmtEndChar) != .None)
{
String stmt = scope .();
ExtractString(stmtStartIdx, stmtEndIdx - stmtStartIdx, stmt);
GetLineCharAtIdx(stmtStartIdx, var stmtLine, var stmtLineChar);
offsetLinePos = stmtLine;
GetLinePosition(Math.Max(offsetLinePos, 0), out offsetLineStart, out offsetLineEnd);
var stmtKind = GetStatementRange(toLineStart, .None, var stmtStartIdx, var stmtEndIdx, var stmtEndChar);
if (stmtKind == .Declaration)
{
// Don't move past method start
offsetLinePos++;
break Move;
}
if (stmtKind == .None)
{
if (stmtEndChar == '{')
GetLinePosition(Math.Max(offsetLinePos - 1, 0), out toLineStart, out toLineEnd);
}
if (GetStatementRange(toLineStart, .AllowInnerMethodSelect, out stmtStartIdx, out stmtEndIdx, out stmtEndChar) != .None)
{
if (startSelPos >= stmtEndIdx)
{
String stmt = scope .();
ExtractString(stmtStartIdx, stmtEndIdx - stmtStartIdx, stmt);
GetLineCharAtIdx(stmtStartIdx, var stmtLine, var stmtLineChar);
offsetLinePos = stmtLine;
GetLinePosition(Math.Max(offsetLinePos, 0), out offsetLineStart, out offsetLineEnd);
}
}
}
}
}
@ -2458,13 +2517,13 @@ namespace IDE.ui
String txt = scope .();
ExtractLine(offsetLinePos, txt);
if ((isStatementAware) && (LineIsComment(offsetLinePos - 1)))
if ((isStatementAware) && (offsetLinePos > 0) && (LineIsComment(offsetLinePos - 1)) && (movingDown))
needsBlankLine = true;
if (needsBlankLine)
{
if (movingDown)
{
InsertAtCursor("\n");
wantCursorPos.mLine++;
}
InsertAtCursor("\n");
wantCursorPos.mLine++;
}
PasteText(str, "line");
@ -2498,7 +2557,7 @@ namespace IDE.ui
int checkPos = stmtEnd;
int selEnd = stmtEnd;
for ( ; checkPos < mData.mTextLength - 1; checkPos++)
for ( ; checkPos < mData.mTextLength; checkPos++)
{
char8 checkC = mData.mText[checkPos].mChar;
selEnd = checkPos + 1;
@ -2513,7 +2572,7 @@ namespace IDE.ui
mSelection = .(lineStart, selEnd);
int toLine = lineNum + (int)dir;
int toLine = Math.Clamp(lineNum + (int)dir, 0, GetLineCount());
if (dir == .Down)
{
GetLineCharAtIdx(selEnd, var line, var lineChar);