add scintilla v2.12 in the svn

git-svn-id: https://notepad2-mod.googlecode.com/svn/trunk@3 28bd50df-7adb-d945-0439-6e466c6a13cc

1 files changed, 518 insertions, 0 deletions

diff --git a/scintilla/src/LexMySQL.cxx b/scintilla/src/LexMySQL.cxx
new file mode 100644
index 0000000..767cdfb
--- /dev/null
+++ b/scintilla/src/LexMySQL.cxx
@@ -0,0 +1,518 @@
+/**

+ * Scintilla source code edit control

+ * @file LexMySQL.cxx

+ * Lexer for MySQL

+ *

+ * Improved by Mike Lischke <mike.lischke@sun.com>

+ * Adopted from LexSQL.cxx by Anders Karlsson <anders@mysql.com>

+ * Original work by Neil Hodgson <neilh@scintilla.org>

+ * Copyright 1998-2005 by Neil Hodgson <neilh@scintilla.org>

+ * The License.txt file describes the conditions under which this software may be distributed.

+ */

+

+#include <stdlib.h>

+#include <string.h>

+#include <ctype.h>

+#include <stdio.h>

+#include <stdarg.h>

+

+#include "Platform.h"

+

+#include "PropSet.h"

+#include "Accessor.h"

+#include "StyleContext.h"

+#include "KeyWords.h"

+#include "Scintilla.h"

+#include "SciLexer.h"

+

+#ifdef SCI_NAMESPACE

+using namespace Scintilla;

+#endif

+

+static inline bool IsAWordChar(int ch) {

+	return (ch < 0x80) && (isalnum(ch) || ch == '_');

+}

+

+static inline bool IsAWordStart(int ch) {

+	return (ch < 0x80) && (isalpha(ch) || ch == '_');

+}

+

+static inline bool IsADoxygenChar(int ch) {

+	return (islower(ch) || ch == '$' || ch == '@' ||

+	        ch == '\\' || ch == '&' || ch == '<' ||

+	        ch == '>' || ch == '#' || ch == '{' ||

+	        ch == '}' || ch == '[' || ch == ']');

+}

+

+static inline bool IsANumberChar(int ch) {

+	// Not exactly following number definition (several dots are seen as OK, etc.)

+	// but probably enough in most cases.

+	return (ch < 0x80) &&

+	        (isdigit(ch) || toupper(ch) == 'E' ||

+             ch == '.' || ch == '-' || ch == '+');

+}

+

+//--------------------------------------------------------------------------------------------------

+

+/**

+ * Check if the current content context represent a keyword and set the context state if so.

+ */

+static void CheckForKeyword(StyleContext& sc, WordList* keywordlists[])

+{

+  int length = sc.LengthCurrent() + 1; // +1 for the next char

+  char* s = new char[length];

+  sc.GetCurrentLowered(s, length);

+  if (keywordlists[0]->InList(s))

+    sc.ChangeState(SCE_MYSQL_MAJORKEYWORD);

+  else

+    if (keywordlists[1]->InList(s))

+      sc.ChangeState(SCE_MYSQL_KEYWORD);

+    else

+      if (keywordlists[2]->InList(s))

+        sc.ChangeState(SCE_MYSQL_DATABASEOBJECT);

+      else

+        if (keywordlists[3]->InList(s))

+          sc.ChangeState(SCE_MYSQL_FUNCTION);

+        else

+          if (keywordlists[5]->InList(s))

+            sc.ChangeState(SCE_MYSQL_PROCEDUREKEYWORD);

+          else

+            if (keywordlists[6]->InList(s))

+              sc.ChangeState(SCE_MYSQL_USER1);

+            else

+              if (keywordlists[7]->InList(s))

+                sc.ChangeState(SCE_MYSQL_USER2);

+              else

+                if (keywordlists[8]->InList(s))

+                  sc.ChangeState(SCE_MYSQL_USER3);

+  delete [] s;

+}

+

+//--------------------------------------------------------------------------------------------------

+

+static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[],

+                            Accessor &styler)

+{

+	StyleContext sc(startPos, length, initStyle, styler);

+

+	for (; sc.More(); sc.Forward())

+  {

+		// Determine if the current state should terminate.

+		switch (sc.state)

+    {

+      case SCE_MYSQL_OPERATOR:

+        sc.SetState(SCE_MYSQL_DEFAULT);

+        break;

+      case SCE_MYSQL_NUMBER:

+        // We stop the number definition on non-numerical non-dot non-eE non-sign char.

+        if (!IsANumberChar(sc.ch))

+          sc.SetState(SCE_MYSQL_DEFAULT);

+        break;

+      case SCE_MYSQL_IDENTIFIER:

+        // Switch from identifier to keyword state and open a new state for the new char.

+        if (!IsAWordChar(sc.ch))

+        {

+          CheckForKeyword(sc, keywordlists);

+          

+          // Additional check for function keywords needed.

+          // A function name must be followed by an opening parenthesis.

+          if (sc.state == SCE_MYSQL_FUNCTION && sc.ch != '(')

+            sc.ChangeState(SCE_MYSQL_DEFAULT);

+            

+          sc.SetState(SCE_MYSQL_DEFAULT);

+        }

+        break;

+      case SCE_MYSQL_VARIABLE:

+        if (!IsAWordChar(sc.ch))

+          sc.SetState(SCE_MYSQL_DEFAULT);

+        break;

+      case SCE_MYSQL_SYSTEMVARIABLE:

+        if (!IsAWordChar(sc.ch))

+        {

+          int length = sc.LengthCurrent() + 1;

+          char* s = new char[length];

+          sc.GetCurrentLowered(s, length);

+

+          // Check for known system variables here.

+          if (keywordlists[4]->InList(&s[2]))

+            sc.ChangeState(SCE_MYSQL_KNOWNSYSTEMVARIABLE);

+          delete [] s;

+          

+          sc.SetState(SCE_MYSQL_DEFAULT);

+        }

+        break;

+      case SCE_MYSQL_QUOTEDIDENTIFIER:

+        if (sc.ch == '`')

+        {

+          if (sc.chNext == '`')

+            sc.Forward();	// Ignore it

+          else

+            sc.ForwardSetState(SCE_MYSQL_DEFAULT);

+				}

+  			break;

+      case SCE_MYSQL_COMMENT:

+      case SCE_MYSQL_HIDDENCOMMAND:

+        if (sc.Match('*', '/'))

+        {

+          sc.Forward();

+          sc.ForwardSetState(SCE_MYSQL_DEFAULT);

+        }

+        break;

+      case SCE_MYSQL_COMMENTLINE:

+        if (sc.atLineStart)

+          sc.SetState(SCE_MYSQL_DEFAULT);

+        break;

+      case SCE_MYSQL_SQSTRING:

+        if (sc.ch == '\\')

+          sc.Forward(); // Escape sequence

+        else

+          if (sc.ch == '\'')

+          {

+            // End of single quoted string reached?

+            if (sc.chNext == '\'')

+              sc.Forward();

+            else

+              sc.ForwardSetState(SCE_MYSQL_DEFAULT);

+          }

+        break;

+      case SCE_MYSQL_DQSTRING:

+        if (sc.ch == '\\')

+          sc.Forward(); // Escape sequence

+        else

+          if (sc.ch == '\"')

+          {

+            // End of single quoted string reached?

+            if (sc.chNext == '\"')

+              sc.Forward();

+            else

+              sc.ForwardSetState(SCE_MYSQL_DEFAULT);

+          }

+        break;

+    }

+

+    // Determine if a new state should be entered.

+    if (sc.state == SCE_MYSQL_DEFAULT)

+    {

+      switch (sc.ch)

+      {

+        case '@':

+          if (sc.chNext == '@')

+          {

+            sc.SetState(SCE_MYSQL_SYSTEMVARIABLE);

+            sc.Forward(2); // Skip past @@.

+          }

+          else

+            if (IsAWordStart(sc.ch))

+            {

+              sc.SetState(SCE_MYSQL_VARIABLE);

+              sc.Forward(); // Skip past @.

+            }

+            else

+              sc.SetState(SCE_MYSQL_OPERATOR);

+          break;

+        case '`':

+          sc.SetState(SCE_MYSQL_QUOTEDIDENTIFIER);

+          break;

+        case '#':

+          sc.SetState(SCE_MYSQL_COMMENTLINE);

+          break;

+        case '\'':

+          sc.SetState(SCE_MYSQL_SQSTRING);

+          break;

+        case '\"':

+          sc.SetState(SCE_MYSQL_DQSTRING);

+          break;

+        default:

+          if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext)))

+            sc.SetState(SCE_MYSQL_NUMBER);

+          else

+            if (IsAWordStart(sc.ch))

+              sc.SetState(SCE_MYSQL_IDENTIFIER);

+            else

+              if (sc.Match('/', '*'))

+              {

+                sc.SetState(SCE_MYSQL_COMMENT);

+                

+                // Skip comment introducer and check for hidden command.

+                sc.Forward(2);

+                if (sc.ch == '!')

+                {

+                  sc.ChangeState(SCE_MYSQL_HIDDENCOMMAND);

+                  sc.Forward();

+                }

+              }

+              else

+                if (sc.Match("--"))

+                {

+                  // Special MySQL single line comment.

+                  sc.SetState(SCE_MYSQL_COMMENTLINE);

+                  sc.Forward(2);

+                  

+                  // Check the third character too. It must be a space or EOL.

+                  if (sc.ch != ' ' && sc.ch != '\n' && sc.ch != '\r')

+                    sc.ChangeState(SCE_MYSQL_OPERATOR);

+                }

+                else

+                  if (isoperator(static_cast<char>(sc.ch)))

+                    sc.SetState(SCE_MYSQL_OPERATOR);

+      }

+    }

+  }

+  

+  // Do a final check for keywords if we currently have an identifier, to highlight them

+  // also at the end of a line.

+  if (sc.state == SCE_MYSQL_IDENTIFIER)

+  {

+    CheckForKeyword(sc, keywordlists);

+

+    // Additional check for function keywords needed.

+    // A function name must be followed by an opening parenthesis.

+    if (sc.state == SCE_MYSQL_FUNCTION && sc.ch != '(')

+      sc.ChangeState(SCE_MYSQL_DEFAULT);

+  }

+	

+  sc.Complete();

+}

+

+//--------------------------------------------------------------------------------------------------

+

+/**

+ * Helper function to determine if we have a foldable comment currently.

+ */

+static bool IsStreamCommentStyle(int style)

+{

+	return style == SCE_MYSQL_COMMENT;

+}

+

+//--------------------------------------------------------------------------------------------------

+

+/**

+ * Code copied from StyleContext and modified to work here. Should go into Accessor as a

+ * companion to Match()...

+ */

+bool MatchIgnoreCase(Accessor &styler, int currentPos, const char *s)

+{

+  for (int n = 0; *s; n++)

+  {

+    if (*s != tolower(styler.SafeGetCharAt(currentPos + n)))

+      return false;

+    s++;

+  }

+  return true;

+}

+

+//--------------------------------------------------------------------------------------------------

+

+// Store both the current line's fold level and the next lines in the

+// level store to make it easy to pick up with each increment.

+static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordList *[], Accessor &styler)

+{

+	bool foldComment = styler.GetPropertyInt("fold.comment") != 0;

+	bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;

+	bool foldOnlyBegin = styler.GetPropertyInt("fold.sql.only.begin", 0) != 0;

+

+	int visibleChars = 0;

+	int lineCurrent = styler.GetLine(startPos);

+	int levelCurrent = SC_FOLDLEVELBASE;

+	if (lineCurrent > 0)

+		levelCurrent = styler.LevelAt(lineCurrent - 1) >> 16;

+	int levelNext = levelCurrent;

+

+	int styleNext = styler.StyleAt(startPos);

+	int style = initStyle;

+	

+  bool endFound = false;

+	bool whenFound = false;

+	bool elseFound = false;

+

+  char nextChar = styler.SafeGetCharAt(startPos);

+  for (unsigned int i = startPos; length > 0; i++, length--)

+  {

+		int stylePrev = style;

+		style = styleNext;

+		styleNext = styler.StyleAt(i + 1);

+    

+    char currentChar = nextChar;

+    nextChar = styler.SafeGetCharAt(i + 1);

+		bool atEOL = (currentChar == '\r' && nextChar != '\n') || (currentChar == '\n');

+	

+    switch (style)

+    {

+      case SCE_MYSQL_COMMENT:

+        if (foldComment)

+        {

+          // Multiline comment style /* .. */.

+          if (IsStreamCommentStyle(style))

+          {

+            // Increase level if we just start a foldable comment.

+            if (!IsStreamCommentStyle(stylePrev))

+              levelNext++;

+            else

+              // If we are in the middle of a foldable comment check if it ends now.

+              // Don't end at the line end, though.

+              if (!IsStreamCommentStyle(styleNext) && !atEOL)

+                levelNext--;

+          }

+        }

+        break;

+      case SCE_MYSQL_COMMENTLINE:

+        if (foldComment)

+        { 

+          // Not really a standard, but we add support for single line comments

+          // with special curly braces syntax as foldable comments too.

+          // MySQL needs -- comments to be followed by space or control char

+          if (styler.Match(i, "--"))

+          {

+            char chNext2 = styler.SafeGetCharAt(i + 2);

+            char chNext3 = styler.SafeGetCharAt(i + 3);

+            if (chNext2 == '{' || chNext3 == '{')

+              levelNext++;

+            else

+              if (chNext2 == '}' || chNext3 == '}')

+                levelNext--;

+          }

+        }

+        break;

+      case SCE_MYSQL_HIDDENCOMMAND:

+        if (style != stylePrev)

+          levelNext++;

+        else

+          if (style != styleNext)

+            levelNext--;

+        break;

+      case SCE_MYSQL_OPERATOR:

+        if (currentChar == '(')

+          levelNext++;

+        else

+          if (currentChar == ')')

+            levelNext--;

+        break;

+      case SCE_MYSQL_MAJORKEYWORD:

+      case SCE_MYSQL_KEYWORD:

+      case SCE_MYSQL_FUNCTION:

+      case SCE_MYSQL_PROCEDUREKEYWORD:

+        // Reserved and other keywords.

+        if (style != stylePrev)

+        {

+          bool beginFound = MatchIgnoreCase(styler, i, "begin");

+          bool ifFound = MatchIgnoreCase(styler, i, "if");

+          bool thenFound = MatchIgnoreCase(styler, i, "then");

+          bool whileFound = MatchIgnoreCase(styler, i, "while");

+          bool loopFound = MatchIgnoreCase(styler, i, "loop");

+          bool repeatFound = MatchIgnoreCase(styler, i, "repeat");

+          

+          if (!foldOnlyBegin && endFound && (ifFound || whileFound || loopFound))

+          {

+            endFound = false;

+            levelNext--;

+            if (levelNext < SC_FOLDLEVELBASE)

+              levelNext = SC_FOLDLEVELBASE;

+            

+            // Note that "else" is special here. It may or may not be followed by an "if .. then",

+            // but in any case the level stays the same. When followed by an "if .. then" the level

+            // will be increased later, if not, then at eol.

+          }

+          else

+            if (!foldOnlyBegin && MatchIgnoreCase(styler, i, "else"))

+            {

+              levelNext--;

+              elseFound = true;

+            }

+            else

+              if (!foldOnlyBegin && thenFound)

+              {

+                if (whenFound)

+                  whenFound = false;

+                else

+                  levelNext++;

+              }

+              else

+                if (ifFound)

+                  elseFound = false;

+                else

+                  if (MatchIgnoreCase(styler, i, "when"))

+                    whenFound = true;

+                  else

+                  {

+                    if (beginFound)

+                      levelNext++;

+                    else

+                      if (!foldOnlyBegin && (loopFound || repeatFound || whileFound))

+                      {

+                        if (endFound)

+                          endFound = false;

+                        else

+                          levelNext++;

+                      }

+                      else

+                        if (MatchIgnoreCase(styler, i, "end"))

+                        {

+                          // Multiple "end" in a row are counted multiple times!

+                          if (endFound)

+                          {

+                            levelNext--;

+                            if (levelNext < SC_FOLDLEVELBASE)

+                              levelNext = SC_FOLDLEVELBASE;

+                          }

+                          endFound = true;

+                          whenFound = false;

+                        }

+                  }

+        }

+        break;

+    }

+    

+    // Handle the case of a trailing end without an if / while etc, as in the case of a begin.

+		if (endFound)

+    {

+			endFound = false;

+			levelNext--;

+			if (levelNext < SC_FOLDLEVELBASE)

+        levelNext = SC_FOLDLEVELBASE;

+		}

+    

+		if (atEOL)

+    {

+			if (elseFound)

+      {

+				levelNext++;

+        elseFound = false;

+      }

+

+			int levelUse = levelCurrent;

+			int lev = levelUse | levelNext << 16;

+			if (visibleChars == 0 && foldCompact)

+				lev |= SC_FOLDLEVELWHITEFLAG;

+			if (levelUse < levelNext)

+				lev |= SC_FOLDLEVELHEADERFLAG;

+			if (lev != styler.LevelAt(lineCurrent))

+				styler.SetLevel(lineCurrent, lev);

+      

+			lineCurrent++;

+			levelCurrent = levelNext;

+			visibleChars = 0;

+			endFound = false;

+			whenFound = false;

+		}

+    

+		if (!isspacechar(currentChar))

+			visibleChars++;

+	}

+}

+

+//--------------------------------------------------------------------------------------------------

+

+static const char * const mysqlWordListDesc[] = {

+	"Major Keywords",

+	"Keywords",

+	"Database Objects",

+	"Functions",

+	"System Variables",

+	"Procedure keywords",

+	"User Keywords 1",

+	"User Keywords 2",

+	"User Keywords 3",

+	0

+};

+

+LexerModule lmMySQL(SCLEX_MYSQL, ColouriseMySQLDoc, "mysql", FoldMySQLDoc, mysqlWordListDesc);