Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdevelop@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 147 insertions, 0 deletions

diff --git a/languages/cpp/debugger/mi/milexer.h b/languages/cpp/debugger/mi/milexer.h
new file mode 100644
index 00000000..bc0deead
--- /dev/null
+++ b/languages/cpp/debugger/mi/milexer.h
@@ -0,0 +1,147 @@
+/***************************************************************************
+ *   Copyright (C) 2004 by Roberto Raggi                                   *
+ *   roberto@kdevelop.org                                                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU Library General Public License as       *
+ *   published by the Free Software Foundation; either version 2 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this program; if not, write to the                 *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef MILEXER_H
+#define MILEXER_H
+
+#include <qmemarray.h>
+#include <qmap.h>
+#include <qstring.h>
+
+class MILexer;
+class TokenStream;
+
+typedef void (MILexer::*scan_fun_ptr)(int *kind);
+
+struct Token
+{
+    int kind;
+    int position;
+    int length;
+};
+
+struct FileSymbol
+{
+    QCString contents;
+    TokenStream *tokenStream;
+
+    inline FileSymbol()
+        : tokenStream(0) {}
+
+    inline ~FileSymbol();
+};
+
+struct TokenStream
+{
+    inline int lookAhead(int n = 0) const
+    { return (m_currentToken + n)->kind; }
+
+    inline int currentToken() const
+    { return m_currentToken->kind; }
+
+    inline QCString currentTokenText() const
+    { return tokenText(-1); }
+
+    QCString tokenText(int index = 0) const;
+
+    inline int lineOffset(int line) const
+    { return m_lines.at(line); }
+
+    void positionAt(int position, int *line, int *column) const;
+
+    inline void getTokenStartPosition(int index, int *line, int *column) const
+    { positionAt((m_firstToken + index)->position, line, column); }
+
+    inline void getTokenEndPosition(int index, int *line, int *column) const
+    {
+        Token *tk = m_firstToken + index;
+        positionAt(tk->position + tk->length, line, column);
+    }
+
+    inline void rewind(int index)
+    { m_currentToken = m_firstToken + index; }
+
+    inline int cursor() const
+    { return m_currentToken - m_firstToken; }
+
+    inline void nextToken()
+    { m_currentToken++; m_cursor++; }
+
+//private:
+    QCString m_contents;
+
+    QMemArray<int> m_lines;
+    int m_line;
+
+    QMemArray<Token> m_tokens;
+    int m_tokensCount;
+
+    Token *m_firstToken;
+    Token *m_currentToken;
+
+    int m_cursor;
+};
+
+class MILexer
+{
+public:
+    MILexer();
+    ~MILexer();
+
+    TokenStream *tokenize(const FileSymbol *fileSymbol);
+
+private:
+    int nextToken(int &position, int &len);
+
+    void scanChar(int *kind);
+    void scanUnicodeChar(int *kind);
+    void scanNewline(int *kind);
+    void scanWhiteSpaces(int *kind);
+    void scanStringLiteral(int *kind);
+    void scanNumberLiteral(int *kind);
+    void scanIdentifier(int *kind);
+
+    void setupScanTable();
+
+private:
+    static bool s_initialized;
+    static scan_fun_ptr s_scan_table[128 + 1];
+
+    QCString m_contents;
+    int m_ptr;
+    // Cached 'm_contents.length()'
+    int m_length;
+
+    QMemArray<int> m_lines;
+    int m_line;
+
+    QMemArray<Token> m_tokens;
+    int m_tokensCount;
+
+    int m_cursor;
+};
+
+inline FileSymbol::~FileSymbol()
+{
+    delete tokenStream;
+    tokenStream = 0;
+}
+
+
+#endif