Backport: Add const and noexcept where they make sense.

Backport of changeset 7991:d7d83db0457a.

2 files changed, 8 insertions, 8 deletions

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 5bbc55969..fb3aae6a1 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -561,7 +561,7 @@ Sci::Position Editor::CurrentPosition() const {
 	return sel.MainCaret();
 }
 
-bool Editor::SelectionEmpty() const {
+bool Editor::SelectionEmpty() const noexcept {
 	return sel.Empty();
 }
 
@@ -785,7 +785,7 @@ void Editor::MultipleSelectAdd(AddNumber addNumber) {
 	}
 }
 
-bool Editor::RangeContainsProtected(Sci::Position start, Sci::Position end) const {
+bool Editor::RangeContainsProtected(Sci::Position start, Sci::Position end) const noexcept {
 	if (vs.ProtectionActive()) {
 		if (start > end) {
 			const Sci::Position t = start;
@@ -800,7 +800,7 @@ bool Editor::RangeContainsProtected(Sci::Position start, Sci::Position end) cons
 	return false;
 }
 
-bool Editor::SelectionContainsProtected() {
+bool Editor::SelectionContainsProtected() const {
 	for (size_t r=0; r<sel.Count(); r++) {
 		if (RangeContainsProtected(sel.Range(r).Start().Position(),
 			sel.Range(r).End().Position())) {
@@ -1920,7 +1920,7 @@ void Editor::InsertCharacter(const char *s, unsigned int len, CharacterSource ch
 		}
 		// Order selections by position in document.
 		std::sort(selPtrs.begin(), selPtrs.end(),
-			[](const SelectionRange *a, const SelectionRange *b) {return *a < *b;});
+			[](const SelectionRange *a, const SelectionRange *b) noexcept {return *a < *b;});
 
 		// Loop in reverse to avoid disturbing positions of selections yet to be processed.
 		for (std::vector<SelectionRange *>::reverse_iterator rit = selPtrs.rbegin();
diff --git a/src/Editor.h b/src/Editor.h
index c88a181a7..c21043881 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -312,7 +312,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 		return ((virtualSpaceOptions & SCVS_USERACCESSIBLE) != 0);
 	}
 	Sci::Position CurrentPosition() const;
-	bool SelectionEmpty() const;
+	bool SelectionEmpty() const noexcept;
 	SelectionPosition SelectionStart();
 	SelectionPosition SelectionEnd();
 	void SetRectangularRange();
@@ -328,8 +328,8 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	void SetEmptySelection(Sci::Position currentPos_);
 	enum AddNumber { addOne, addEach };
 	void MultipleSelectAdd(AddNumber addNumber);
-	bool RangeContainsProtected(Sci::Position start, Sci::Position end) const;
-	bool SelectionContainsProtected();
+	bool RangeContainsProtected(Sci::Position start, Sci::Position end) const noexcept;
+	bool SelectionContainsProtected() const;
 	Sci::Position MovePositionOutsideChar(Sci::Position pos, Sci::Position moveDir, bool checkLineEnd=true) const;
 	SelectionPosition MovePositionOutsideChar(SelectionPosition pos, Sci::Position moveDir, bool checkLineEnd=true) const;
 	void MovedCaret(SelectionPosition newPos, SelectionPosition previousPos,
@@ -640,7 +640,7 @@ class AutoSurface {
 private:
 	std::unique_ptr<Surface> surf;
 public:
-	AutoSurface(Editor *ed, int technology = -1) {
+	AutoSurface(const Editor *ed, int technology = -1) {
 		if (ed->wMain.GetID()) {
 			surf.reset(Surface::Allocate(technology != -1 ? technology : ed->technology));
 			surf->Init(ed->wMain.GetID());