some changes to make some compilers somewhat happier

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3310 a592a061-630c-0410-9148-cb99ea01b6c8

src/mathed/formula.C

@@ -503,7 +503,6 @@ InsetFormula::localDispatch(BufferView * bv, kb_action action,
 
 bool needEqnArray(string const & extra)
 {
-	return false;
 	return extra == "dsolve";
 }
 

src/mathed/math_cursor.C

@@ -619,7 +619,7 @@ void MathCursor::macroModeClose()
 
 int MathCursor::macroNamePos() const
 {
-	for (int i = pos() - 1; i >= 0; --i) { 
+	for (MathInset::difference_type i = pos() - 1; i >= 0; --i) { 
 		MathAtom & p = array().at(i);
 		if (p->code() == LM_TC_TEX && p->getChar() == '\\')
 			return i;
@@ -631,7 +631,8 @@ int MathCursor::macroNamePos() const
 string MathCursor::macroName() const
 {
 	string s;
-	for (int i = macroNamePos(); i >= 0 && i < int(pos()); ++i) 
+	MathInset::difference_type i = macroNamePos(); 
+	for ( ; i >= 0 && i < int(pos()); ++i) 
 		s += array().at(i)->getChar();
 	return s;
 }

src/mathed/math_data.h

@@ -51,6 +51,8 @@ public:
 	///
 	typedef buffer_type::size_type       size_type;
 	///
+	typedef buffer_type::difference_type difference_type;
+	///
 	typedef buffer_type::size_type       idx_type;
 	///
 	typedef buffer_type::size_type       pos_type;

src/mathed/math_factory.C

@@ -30,7 +30,7 @@ MathAtom createMathInset(latexkeys const * l)
 	case LM_TK_FUNCLIM:
 		return MathAtom(new MathFuncLimInset(l->name));
 	case LM_TK_SPECIAL:
-		return MathAtom(new MathSpecialCharInset(l->id));
+		return MathAtom(new MathSpecialCharInset(static_cast<char>(l->id)));
 	case LM_TK_SYM:
 	case LM_TK_CMR:
 	case LM_TK_CMSY:

src/mathed/math_hash.C

@@ -11,6 +11,7 @@
 
 namespace {
 
+// global
 std::map<string, latexkeys> theWordList;
 
 
@@ -18,11 +19,12 @@ struct key_type {
 	///
 	char const * name;
 	///
-	short token;
+	MathTokenEnum token;
 	///
 	unsigned int id;
 };
 
+
 key_type wordlist_array[] = 
 {
 	{"!",  LM_TK_SPACE, 0},

src/mathed/math_inset.h

@@ -79,6 +79,8 @@ class MathInset {
 public: 
 	/// short of anything else reasonable
 	typedef MathArray::size_type        size_type;
+	/// type for cursor positions differences within a cell
+	typedef MathArray::difference_type  difference_type;
 	/// type for cursor positions within a cell
 	typedef MathArray::size_type        pos_type;
 	/// type for cell indices

src/mathed/math_iterator.C

@@ -138,10 +138,10 @@ void MathIterator::operator++()
 }
 
 
-void MathIterator::jump(int i)
+void MathIterator::jump(MathInset::difference_type i)
 {
 	position().pos_ += i;
-	lyx::Assert(position().pos_ >= 0);
+	//lyx::Assert(position().pos_ >= 0);
 	lyx::Assert(position().pos_ <= cell().size());
 }
 

src/mathed/math_iterator.h

@@ -21,7 +21,7 @@ public:
 	/// move on one step
 	void operator++();
 	/// move on several steps
-	void jump(int n);
+	void jump(MathInset::difference_type);
 	/// read access to top most item
 	MathCursorPos const & position() const;
 	/// write access to top most item

src/mathed/math_parser.h

@@ -26,8 +26,6 @@
 #include "LString.h"
 #include "math_defs.h"
 
-class MathHullInset;
-class MathMacroTemplate;
 class MathAtom;
 class MathArray;
 class LyXLex;
@@ -36,7 +34,7 @@ class LyXLex;
 enum MathTokenEnum
 {
 	///
-	LM_TK_SYM = 256,
+	LM_TK_SYM,
 	///
 	LM_TK_BOX,
 	///
@@ -118,36 +116,41 @@ enum MathTokenEnum
 
 ///
 struct latexkeys {
-	///
+	/// name of the macro or primitive
 	string name;
-	///
+	/// one of the categories above
-	short token;
+	MathTokenEnum token;
-	///
+	/// an id within a category if needed (only for spaces?)
 	unsigned int id;
-	///
+	/// which font to use (optional)
-	unsigned char latex_font_id;
+	unsigned int latex_font_id;
-	///
+	/// operator/...
 	string type;
-	///
+	/// how is this called as XML entity?
 	string xmlname;
 };
 
 
-///
+/// check whether this is a well-known (La)TeX macro or primitive
 latexkeys const * in_word_set(string const & str);
 
-///
+/// parse formula from a string
-void ReadSymbols(string const & file);
-
 bool mathed_parse_normal(MathAtom &, string const &);
+/// ... a stream
 bool mathed_parse_normal(MathAtom &, std::istream &);
+/// ... the LyX lexxer
 bool mathed_parse_normal(MathAtom &, LyXLex &);
 
+/// parse a macro definition from a string, enter it into the macro table
 string mathed_parse_macro(string const &);
+/// ... a stream
 string mathed_parse_macro(std::istream &);
+/// ... the LyX lexxer
 string mathed_parse_macro(LyXLex &);
 
-void mathed_parse_cell(MathArray & ar, string const & str);
+/// parse a single cell from a string
-void mathed_parse_cell(MathArray & ar, std::istream & is);
+void mathed_parse_cell(MathArray & ar, string const &);
+/// ... a stream
+void mathed_parse_cell(MathArray & ar, std::istream &);
 
 #endif

src/mathed/math_scriptinset.C

@@ -106,37 +106,37 @@ int MathScriptInset::dy1(MathInset const * nuc) const
 int MathScriptInset::dx0(MathInset const * nuc) const
 {
 	lyx::Assert(hasDown());
-	return hasLimits(nuc) ? (width(nuc) - down().width()) / 2 : nwid(nuc);
+	return hasLimits(nuc) ? (width2(nuc) - down().width()) / 2 : nwid(nuc);
 }
 
 
 int MathScriptInset::dx1(MathInset const * nuc) const
 {
 	lyx::Assert(hasUp());
-	return hasLimits(nuc) ? (width(nuc) - up().width()) / 2 : nwid(nuc);
+	return hasLimits(nuc) ? (width2(nuc) - up().width()) / 2 : nwid(nuc);
 }
 
 
 int MathScriptInset::dxx(MathInset const * nuc) const
 {
 	//lyx::Assert(nuc());
-	return hasLimits(nuc)  ?  (width(nuc) - nwid(nuc)) / 2  :  0;
+	return hasLimits(nuc)  ?  (width2(nuc) - nwid(nuc)) / 2  :  0;
 }
 
 
-int MathScriptInset::ascent(MathInset const * nuc) const
+int MathScriptInset::ascent2(MathInset const * nuc) const
 {
 	return dy1(nuc) + (hasUp() ? up().ascent() : 0);
 }
 
 
-int MathScriptInset::descent(MathInset const * nuc) const
+int MathScriptInset::descent2(MathInset const * nuc) const
 {
 	return dy0(nuc) + (hasDown() ? down().descent() : 0);
 }
 
 
-int MathScriptInset::width(MathInset const * nuc) const
+int MathScriptInset::width2(MathInset const * nuc) const
 {
 	int wid = 0;
 	if (hasLimits(nuc)) {
@@ -190,10 +190,9 @@ void MathScriptInset::metrics(MathInset const * nuc,
 	MathNestInset::metrics(mi);
 	if (nuc)
 		nuc->metrics(mi);
-
+	ascent_  = ascent2(nuc);
-	ascent_  = ascent(nuc);
+	descent_ = descent2(nuc);
-	descent_ = descent(nuc);
+	width_   = width2(nuc);
-	width_   = width(nuc);
 }
 
 

src/mathed/math_scriptinset.h

@@ -34,11 +34,11 @@ public:
 	///
 	void draw(MathInset const * nuc, Painter &, int x, int y) const;
 	///
-	int ascent(MathInset const * nuc) const;
+	int ascent2(MathInset const * nuc) const;
 	///
-	int descent(MathInset const * nuc) const;
+	int descent2(MathInset const * nuc) const;
 	///
-	int width(MathInset const * nuc) const;
+	int width2(MathInset const * nuc) const;
 
 	///
 	bool idxLeft(idx_type &, pos_type &) const;

src/mathed/math_xdata.C

@@ -36,9 +36,9 @@ void MathXArray::metrics(MathMetricsInfo const & mi) const
 		MathScriptInset const * q = (it + 1 == end()) ? 0 : asScript(it);
 		if (q) {
 			q->metrics(p, mi);
-			ascent_  = std::max(ascent_,  q->ascent(p));
+			ascent_  = std::max(ascent_,  q->ascent2(p));
-			descent_ = std::max(descent_, q->descent(p));
+			descent_ = std::max(descent_, q->descent2(p));
-			width_  += q->width(p);	
+			width_  += q->width2(p);	
 			++it;
 		} else {
 			p->metrics(mi);
@@ -67,7 +67,7 @@ void MathXArray::draw(Painter & pain, int x, int y) const
 		MathScriptInset const * q = (it + 1 == end()) ? 0 : asScript(it);
 		if (q) {
 			q->draw(p, pain, x, y);
-			x += q->width(p);
+			x += q->width2(p);
 			++it;
 		} else {
 			p->draw(pain, x, y);
@@ -87,7 +87,7 @@ int MathXArray::pos2x(size_type targetpos) const
 		if (q) {
 			++it;
 			if (it < target)
-				x += q->width(p);
+				x += q->width2(p);
 			else  // "half" position
 				x += q->dxx(p) + q->nwid(p);
 		} else
@@ -111,7 +111,7 @@ MathArray::size_type MathXArray::x2pos(int targetx) const
 		if (it + 1 != end())
 			q = asScript(it);
 		if (q) {
-			wid = q->width(p);
+			wid = q->width2(p);
 			++it;
 		} else
 			wid = p->width();