Add syntax highlight for primitive data types

Syntax highlight rules for keywords are changed to highlight control
keywords and primitive data types separately.

Change-Id: Ifb25be7a97b92589030aa190641320c233dc7f2d
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

share/qtcreator/styles/darkvim.xml

@@ -16,6 +16,7 @@
   <style name="Field"/>
   <style name="Function"/>
   <style name="Keyword" foreground="#ffff55"/>
+  <style name="PrimitiveType" foreground="#ffff55"/>
   <style name="Label" foreground="#ffff55"/>
   <style name="LineNumber" foreground="#888888" background="#232323"/>
   <style name="Link" foreground="#0055ff"/>

share/qtcreator/styles/grayscale.xml

@@ -16,6 +16,7 @@
   <style name="Field"/>
   <style name="Function"/>
   <style name="Keyword" bold="true"/>
+  <style name="PrimitiveType" bold="true"/>
   <style name="Label"/>
   <style name="LineNumber" foreground="#c7c4c1" background="#efebe7"/>
   <style name="Link" foreground="#0000ff"/>

share/qtcreator/styles/inkpot.xml

@@ -21,6 +21,7 @@
   <style name="Field" bold="true"/>
   <style name="Function"/>
   <style name="Keyword" foreground="#808bed"/>
+  <style name="PrimitiveType" foreground="#808bed"/>
   <style name="Label" foreground="#e76000"/>
   <style name="LineNumber" foreground="#8b8bcd" background="#2e2e2e"/>
   <style name="Link" foreground="#409090"/>

share/qtcreator/styles/intellij.xml

@@ -10,6 +10,7 @@
   <style name="Field" foreground="#660e7a" bold="true"/>
   <style name="Function" foreground="#000000"/>
   <style name="Keyword" foreground="#000080" bold="true"/>
+  <style name="PrimitiveType" foreground="#000080" bold="true"/>
   <style name="Label" foreground="#800000" bold="true"/>
   <style name="Local" foreground="#000000"/>
   <style name="Number" foreground="#0000ff"/>

src/libs/3rdparty/cplusplus/Token.cpp

@@ -46,21 +46,20 @@ const char *token_names[] = {
     ("|="), ("||"), ("+"), ("+="), ("++"), ("#"), ("##"), ("?"), ("}"),
     ("]"), (")"), (";"), ("*"), ("*="), ("~"), ("~="),
 
-    ("alignas"), ("alignof"), ("asm"), ("auto"), ("bool"), ("break"), ("case"), ("catch"),
+    ("alignas"), ("alignof"), ("asm"), ("auto"), ("break"), ("case"), ("catch"),
-    ("char"), ("char16_t"), ("char32_t"),
     ("class"), ("const"), ("const_cast"), ("constexpr"), ("continue"),
     ("decltype"), ("default"),
-    ("delete"), ("do"), ("double"), ("dynamic_cast"), ("else"), ("enum"),
+    ("delete"), ("do"), ("dynamic_cast"), ("else"), ("enum"),
-    ("explicit"), ("export"), ("extern"), ("false"), ("float"), ("for"),
+    ("explicit"), ("export"), ("extern"), ("false"), ("for"),
-    ("friend"), ("goto"), ("if"), ("inline"), ("int"), ("long"),
+    ("friend"), ("goto"), ("if"), ("inline"),
     ("mutable"), ("namespace"), ("new"), ("noexcept"),
     ("nullptr"), ("operator"), ("private"),
     ("protected"), ("public"), ("register"), ("reinterpret_cast"),
-    ("return"), ("short"), ("signed"), ("sizeof"), ("static"),("static_assert"),
+    ("return"), ("sizeof"), ("static"), ("static_assert"),
     ("static_cast"), ("struct"), ("switch"), ("template"), ("this"), ("thread_local"),
     ("throw"), ("true"), ("try"), ("typedef"), ("typeid"), ("typename"),
-    ("union"), ("unsigned"), ("using"), ("virtual"), ("void"),
+    ("union"), ("using"), ("virtual"),
-    ("volatile"), ("wchar_t"), ("while"),
+    ("volatile"), ("while"),
 
     // gnu
     ("__attribute__"), ("__thread"), ("__typeof__"),
@@ -72,6 +71,10 @@ const char *token_names[] = {
     ("@protected"), ("@protocol"), ("@public"), ("@required"), ("@selector"),
     ("@synchronized"), ("@synthesize"), ("@throw"), ("@try"),
 
+    // Primitive types
+    ("bool"), ("char"), ("char16_t"), ("char32_t"), ("double"), ("float"), ("int"),
+    ("long"), ("short"), ("signed"), ("unsigned"), ("void"), ("wchar_t"),
+
     // Qt keywords
     ("emit"), ("SIGNAL"), ("SLOT"), ("Q_SIGNAL"), ("Q_SLOT"), ("signals"), ("slots"),
     ("Q_FOREACH"), ("Q_D"), ("Q_Q"),

src/libs/3rdparty/cplusplus/Token.h

@@ -119,13 +119,9 @@ enum Kind {
     T_ALIGNOF,
     T_ASM,
     T_AUTO,
-    T_BOOL,
     T_BREAK,
     T_CASE,
     T_CATCH,
-    T_CHAR,
-    T_CHAR16_T,
-    T_CHAR32_T,
     T_CLASS,
     T_CONST,
     T_CONST_CAST,
@@ -135,7 +131,6 @@ enum Kind {
     T_DEFAULT,
     T_DELETE,
     T_DO,
-    T_DOUBLE,
     T_DYNAMIC_CAST,
     T_ELSE,
     T_ENUM,
@@ -143,14 +138,11 @@ enum Kind {
     T_EXPORT,
     T_EXTERN,
     T_FALSE,
-    T_FLOAT,
     T_FOR,
     T_FRIEND,
     T_GOTO,
     T_IF,
     T_INLINE,
-    T_INT,
-    T_LONG,
     T_MUTABLE,
     T_NAMESPACE,
     T_NEW,
@@ -163,8 +155,6 @@ enum Kind {
     T_REGISTER,
     T_REINTERPRET_CAST,
     T_RETURN,
-    T_SHORT,
-    T_SIGNED,
     T_SIZEOF,
     T_STATIC,
     T_STATIC_ASSERT,
@@ -181,12 +171,9 @@ enum Kind {
     T_TYPEID,
     T_TYPENAME,
     T_UNION,
-    T_UNSIGNED,
     T_USING,
     T_VIRTUAL,
-    T_VOID,
     T_VOLATILE,
-    T_WCHAR_T,
     T_WHILE,
 
     T___ATTRIBUTE__,
@@ -223,6 +210,23 @@ enum Kind {
 
     T_LAST_OBJC_AT_KEYWORD = T_AT_TRY,
 
+    // Primitive types
+    T_FIRST_PRIMITIVE,
+    T_BOOL = T_FIRST_PRIMITIVE,
+    T_CHAR,
+    T_CHAR16_T,
+    T_CHAR32_T,
+    T_DOUBLE,
+    T_FLOAT,
+    T_INT,
+    T_LONG,
+    T_SHORT,
+    T_SIGNED,
+    T_UNSIGNED,
+    T_VOID,
+    T_WCHAR_T,
+    T_LAST_PRIMITIVE = T_WCHAR_T,
+
     T_FIRST_QT_KEYWORD,
 
     // Qt keywords
@@ -247,6 +251,7 @@ enum Kind {
     T_Q_DECLARE_INTERFACE,
     T_Q_OBJECT,
     T_Q_GADGET,
+
     T_LAST_KEYWORD = T_Q_GADGET,
 
     // aliases
@@ -320,7 +325,10 @@ public:
     { return f.kind >= T_FIRST_OPERATOR && f.kind <= T_LAST_OPERATOR; }
 
     inline bool isKeyword() const
-    { return f.kind >= T_FIRST_KEYWORD && f.kind < T_FIRST_QT_KEYWORD; }
+    { return f.kind >= T_FIRST_KEYWORD && f.kind < T_FIRST_PRIMITIVE; }
+
+    inline bool isPrimitiveType() const
+    { return f.kind >= T_FIRST_PRIMITIVE && f.kind <= T_LAST_PRIMITIVE; }
 
     inline bool isComment() const
     { return f.kind == T_COMMENT || f.kind == T_DOXY_COMMENT ||

src/plugins/cppeditor/cppeditorenums.h

@@ -43,6 +43,7 @@ enum CppFormats {
     CppStringFormat,
     CppTypeFormat,
     CppKeywordFormat,
+    CppPrimitiveTypeFormat,
     CppOperatorFormat,
     CppPreprocessorFormat,
     CppLabelFormat,

src/plugins/cppeditor/cpphighlighter.cpp

@@ -52,6 +52,7 @@ CppHighlighter::CppHighlighter(QTextDocument *document) :
                    << TextEditor::C_STRING
                    << TextEditor::C_TYPE
                    << TextEditor::C_KEYWORD
+                   << TextEditor::C_PRIMITIVE_TYPE
                    << TextEditor::C_OPERATOR
                    << TextEditor::C_PREPROCESSOR
                    << TextEditor::C_LABEL
@@ -220,6 +221,9 @@ void CppHighlighter::highlightBlock(const QString &text)
                    || CppTools::isQtKeyword(text.midRef(tk.utf16charsBegin(), tk.utf16chars()))
                    || tk.isObjCAtKeyword()) {
             setFormat(tk.utf16charsBegin(), tk.utf16chars(), formatForCategory(CppKeywordFormat));
+        } else if (tk.isPrimitiveType()) {
+            setFormat(tk.utf16charsBegin(), tk.utf16chars(),
+                      formatForCategory(CppPrimitiveTypeFormat));
         } else if (tk.isOperator()) {
             setFormat(tk.utf16charsBegin(), tk.utf16chars(), formatForCategory(CppOperatorFormat));
         } else if (i == 0 && tokens.size() > 1 && tk.is(T_IDENTIFIER) && tokens.at(1).is(T_COLON)) {

src/plugins/cpptools/cppcompletionassist.cpp

@@ -1727,6 +1727,10 @@ void CppCompletionAssistProcessor::addKeywords()
     // keyword completion items.
     for (int i = T_FIRST_KEYWORD; i < keywordLimit; ++i)
         addCompletionItem(QLatin1String(Token::name(i)), m_icons.keywordIcon(), KeywordsOrder);
+
+    // primitive type completion items.
+    for (int i = T_FIRST_PRIMITIVE; i <= T_LAST_PRIMITIVE; ++i)
+        addCompletionItem(QLatin1String(Token::name(i)), m_icons.keywordIcon(), KeywordsOrder);
 }
 
 void CppCompletionAssistProcessor::addMacros(const QString &fileName, const CPlusPlus::Snapshot &snapshot)

src/plugins/texteditor/texteditorconstants.cpp

@@ -62,6 +62,7 @@ const char *nameForStyle(TextStyle style)
     case C_VIRTUAL_METHOD:      return "VirtualMethod";
     case C_FUNCTION:            return "Function";
     case C_KEYWORD:             return "Keyword";
+    case C_PRIMITIVE_TYPE:      return "PrimitiveType";
     case C_OPERATOR:            return "Operator";
     case C_PREPROCESSOR:        return "Preprocessor";
     case C_LABEL:               return "Label";

src/plugins/texteditor/texteditorconstants.h

@@ -59,6 +59,7 @@ enum TextStyle {
     C_VIRTUAL_METHOD,
     C_FUNCTION,
     C_KEYWORD,
+    C_PRIMITIVE_TYPE,
     C_OPERATOR,
     C_PREPROCESSOR,
     C_LABEL,

src/plugins/texteditor/texteditorsettings.cpp

@@ -139,6 +139,8 @@ TextEditorSettings::TextEditorSettings(QObject *parent)
                                          Qt::darkBlue));
     formatDescr.append(FormatDescription(C_STRING, tr("String"),
                                          tr("Character and string literals."), Qt::darkGreen));
+    formatDescr.append(FormatDescription(C_PRIMITIVE_TYPE, tr("Primitive Type"),
+                                         tr("Primitive data types"), Qt::darkYellow));
     formatDescr.append(FormatDescription(C_TYPE, tr("Type"), tr("Name of a type."),
                                          Qt::darkMagenta));
     formatDescr.append(FormatDescription(C_LOCAL, tr("Local"), tr("Local variables.")));
@@ -204,8 +206,8 @@ TextEditorSettings::TextEditorSettings(QObject *parent)
                                          jsGlobalFormat));
 
     formatDescr.append(FormatDescription(C_KEYWORD, tr("Keyword"),
-                                         tr("Reserved keywords of the programming language."),
+                                         tr("Reserved keywords of the programming language except "
-                                         Qt::darkYellow));
+                                            "keywords denoting primitive types."), Qt::darkYellow));
     formatDescr.append(FormatDescription(C_OPERATOR, tr("Operator"),
                                          tr("Operators (for example operator++ or operator-=).")));
     formatDescr.append(FormatDescription(C_PREPROCESSOR, tr("Preprocessor"),