diff options
Diffstat (limited to 'scintilla/lexers/LexMySQL.cxx')
-rw-r--r-- | scintilla/lexers/LexMySQL.cxx | 185 |
1 files changed, 116 insertions, 69 deletions
diff --git a/scintilla/lexers/LexMySQL.cxx b/scintilla/lexers/LexMySQL.cxx index dd483c1..6b9f749 100644 --- a/scintilla/lexers/LexMySQL.cxx +++ b/scintilla/lexers/LexMySQL.cxx @@ -3,7 +3,7 @@ * @file LexMySQL.cxx
* Lexer for MySQL
*
- * Improved by Mike Lischke <mike.lischke@sun.com>
+ * Improved by Mike Lischke <mike.lischke@oracle.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>
@@ -60,74 +60,99 @@ static inline bool IsANumberChar(int ch) { /**
* Check if the current content context represent a keyword and set the context state if so.
*/
-static void CheckForKeyword(StyleContext& sc, WordList* keywordlists[])
+static void CheckForKeyword(StyleContext& sc, WordList* keywordlists[], int activeState)
{
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);
+ sc.ChangeState(SCE_MYSQL_MAJORKEYWORD | activeState);
else
if (keywordlists[1]->InList(s))
- sc.ChangeState(SCE_MYSQL_KEYWORD);
+ sc.ChangeState(SCE_MYSQL_KEYWORD | activeState);
else
if (keywordlists[2]->InList(s))
- sc.ChangeState(SCE_MYSQL_DATABASEOBJECT);
+ sc.ChangeState(SCE_MYSQL_DATABASEOBJECT | activeState);
else
if (keywordlists[3]->InList(s))
- sc.ChangeState(SCE_MYSQL_FUNCTION);
+ sc.ChangeState(SCE_MYSQL_FUNCTION | activeState);
else
if (keywordlists[5]->InList(s))
- sc.ChangeState(SCE_MYSQL_PROCEDUREKEYWORD);
+ sc.ChangeState(SCE_MYSQL_PROCEDUREKEYWORD | activeState);
else
if (keywordlists[6]->InList(s))
- sc.ChangeState(SCE_MYSQL_USER1);
+ sc.ChangeState(SCE_MYSQL_USER1 | activeState);
else
if (keywordlists[7]->InList(s))
- sc.ChangeState(SCE_MYSQL_USER2);
+ sc.ChangeState(SCE_MYSQL_USER2 | activeState);
else
if (keywordlists[8]->InList(s))
- sc.ChangeState(SCE_MYSQL_USER3);
+ sc.ChangeState(SCE_MYSQL_USER3 | activeState);
delete [] s;
}
//--------------------------------------------------------------------------------------------------
+#define HIDDENCOMMAND_STATE 0x40 // Offset for states within a hidden command.
+#define MASKACTIVE(style) (style & ~HIDDENCOMMAND_STATE)
+
+static void SetDefaultState(StyleContext& sc, int activeState)
+{
+ if (activeState == 0)
+ sc.SetState(SCE_MYSQL_DEFAULT);
+ else
+ sc.SetState(SCE_MYSQL_HIDDENCOMMAND);
+}
+
+static void ForwardDefaultState(StyleContext& sc, int activeState)
+{
+ if (activeState == 0)
+ sc.ForwardSetState(SCE_MYSQL_DEFAULT);
+ else
+ sc.ForwardSetState(SCE_MYSQL_HIDDENCOMMAND);
+}
+
static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[],
Accessor &styler)
{
- StyleContext sc(startPos, length, initStyle, styler);
+ StyleContext sc(startPos, length, initStyle, styler, 127);
+ int activeState = (initStyle == SCE_MYSQL_HIDDENCOMMAND) ? HIDDENCOMMAND_STATE : initStyle & HIDDENCOMMAND_STATE;
for (; sc.More(); sc.Forward())
{
// Determine if the current state should terminate.
- switch (sc.state)
+ switch (MASKACTIVE(sc.state))
{
case SCE_MYSQL_OPERATOR:
- sc.SetState(SCE_MYSQL_DEFAULT);
+ SetDefaultState(sc, activeState);
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);
+ SetDefaultState(sc, activeState);
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);
+ CheckForKeyword(sc, keywordlists, activeState);
// 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);
+ if (MASKACTIVE(sc.state) == SCE_MYSQL_FUNCTION && sc.ch != '(')
+ {
+ if (activeState > 0)
+ sc.ChangeState(SCE_MYSQL_HIDDENCOMMAND);
+ else
+ sc.ChangeState(SCE_MYSQL_DEFAULT);
+ }
- sc.SetState(SCE_MYSQL_DEFAULT);
+ SetDefaultState(sc, activeState);
}
break;
case SCE_MYSQL_VARIABLE:
if (!IsAWordChar(sc.ch))
- sc.SetState(SCE_MYSQL_DEFAULT);
+ SetDefaultState(sc, activeState);
break;
case SCE_MYSQL_SYSTEMVARIABLE:
if (!IsAWordChar(sc.ch))
@@ -138,10 +163,10 @@ static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, // Check for known system variables here.
if (keywordlists[4]->InList(&s[2]))
- sc.ChangeState(SCE_MYSQL_KNOWNSYSTEMVARIABLE);
+ sc.ChangeState(SCE_MYSQL_KNOWNSYSTEMVARIABLE | activeState);
delete [] s;
- sc.SetState(SCE_MYSQL_DEFAULT);
+ SetDefaultState(sc, activeState);
}
break;
case SCE_MYSQL_QUOTEDIDENTIFIER:
@@ -150,20 +175,19 @@ static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, if (sc.chNext == '`')
sc.Forward(); // Ignore it
else
- sc.ForwardSetState(SCE_MYSQL_DEFAULT);
+ ForwardDefaultState(sc, activeState);
}
break;
case SCE_MYSQL_COMMENT:
- case SCE_MYSQL_HIDDENCOMMAND:
if (sc.Match('*', '/'))
{
sc.Forward();
- sc.ForwardSetState(SCE_MYSQL_DEFAULT);
+ ForwardDefaultState(sc, activeState);
}
break;
case SCE_MYSQL_COMMENTLINE:
if (sc.atLineStart)
- sc.SetState(SCE_MYSQL_DEFAULT);
+ SetDefaultState(sc, activeState);
break;
case SCE_MYSQL_SQSTRING:
if (sc.ch == '\\')
@@ -175,7 +199,7 @@ static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, if (sc.chNext == '\'')
sc.Forward();
else
- sc.ForwardSetState(SCE_MYSQL_DEFAULT);
+ ForwardDefaultState(sc, activeState);
}
break;
case SCE_MYSQL_DQSTRING:
@@ -188,76 +212,94 @@ static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, if (sc.chNext == '\"')
sc.Forward();
else
- sc.ForwardSetState(SCE_MYSQL_DEFAULT);
+ ForwardDefaultState(sc, activeState);
}
break;
+ case SCE_MYSQL_PLACEHOLDER:
+ if (sc.Match('}', '>'))
+ {
+ sc.Forward();
+ ForwardDefaultState(sc, activeState);
+ }
+ break;
+ }
+
+ if (sc.state == SCE_MYSQL_HIDDENCOMMAND && sc.Match('*', '/'))
+ {
+ activeState = 0;
+ sc.Forward();
+ ForwardDefaultState(sc, activeState);
}
// Determine if a new state should be entered.
- if (sc.state == SCE_MYSQL_DEFAULT)
+ if (sc.state == SCE_MYSQL_DEFAULT || sc.state == SCE_MYSQL_HIDDENCOMMAND)
{
switch (sc.ch)
{
case '@':
if (sc.chNext == '@')
{
- sc.SetState(SCE_MYSQL_SYSTEMVARIABLE);
+ sc.SetState(SCE_MYSQL_SYSTEMVARIABLE | activeState);
sc.Forward(2); // Skip past @@.
}
else
if (IsAWordStart(sc.ch))
{
- sc.SetState(SCE_MYSQL_VARIABLE);
+ sc.SetState(SCE_MYSQL_VARIABLE | activeState);
sc.Forward(); // Skip past @.
}
else
- sc.SetState(SCE_MYSQL_OPERATOR);
+ sc.SetState(SCE_MYSQL_OPERATOR | activeState);
break;
case '`':
- sc.SetState(SCE_MYSQL_QUOTEDIDENTIFIER);
+ sc.SetState(SCE_MYSQL_QUOTEDIDENTIFIER | activeState);
break;
case '#':
- sc.SetState(SCE_MYSQL_COMMENTLINE);
+ sc.SetState(SCE_MYSQL_COMMENTLINE | activeState);
break;
case '\'':
- sc.SetState(SCE_MYSQL_SQSTRING);
+ sc.SetState(SCE_MYSQL_SQSTRING | activeState);
break;
case '\"':
- sc.SetState(SCE_MYSQL_DQSTRING);
+ sc.SetState(SCE_MYSQL_DQSTRING | activeState);
break;
default:
if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext)))
- sc.SetState(SCE_MYSQL_NUMBER);
+ sc.SetState(SCE_MYSQL_NUMBER | activeState);
else
if (IsAWordStart(sc.ch))
- sc.SetState(SCE_MYSQL_IDENTIFIER);
+ sc.SetState(SCE_MYSQL_IDENTIFIER | activeState);
else
if (sc.Match('/', '*'))
{
- sc.SetState(SCE_MYSQL_COMMENT);
+ sc.SetState(SCE_MYSQL_COMMENT | activeState);
// Skip comment introducer and check for hidden command.
sc.Forward(2);
if (sc.ch == '!')
{
+ activeState = HIDDENCOMMAND_STATE;
sc.ChangeState(SCE_MYSQL_HIDDENCOMMAND);
- sc.Forward();
}
}
+ else if (sc.Match('<', '{'))
+ {
+ sc.SetState(SCE_MYSQL_PLACEHOLDER | activeState);
+ }
else
if (sc.Match("--"))
{
// Special MySQL single line comment.
- sc.SetState(SCE_MYSQL_COMMENTLINE);
+ sc.SetState(SCE_MYSQL_COMMENTLINE | activeState);
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);
+ sc.ChangeState(SCE_MYSQL_OPERATOR | activeState);
}
else
if (isoperator(static_cast<char>(sc.ch)))
- sc.SetState(SCE_MYSQL_OPERATOR);
+ sc.SetState(SCE_MYSQL_OPERATOR | activeState);
}
}
}
@@ -266,12 +308,12 @@ static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, // also at the end of a line.
if (sc.state == SCE_MYSQL_IDENTIFIER)
{
- CheckForKeyword(sc, keywordlists);
+ CheckForKeyword(sc, keywordlists, activeState);
// 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);
+ SetDefaultState(sc, activeState);
}
sc.Complete();
@@ -284,7 +326,7 @@ static void ColouriseMySQLDoc(unsigned int startPos, int length, int initStyle, */
static bool IsStreamCommentStyle(int style)
{
- return style == SCE_MYSQL_COMMENT;
+ return MASKACTIVE(style) == SCE_MYSQL_COMMENT;
}
//--------------------------------------------------------------------------------------------------
@@ -323,6 +365,7 @@ static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordL int styleNext = styler.StyleAt(startPos);
int style = initStyle;
+ int activeState = (style == SCE_MYSQL_HIDDENCOMMAND) ? HIDDENCOMMAND_STATE : style & HIDDENCOMMAND_STATE;
bool endPending = false;
bool whenPending = false;
@@ -332,30 +375,23 @@ static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordL for (unsigned int i = startPos; length > 0; i++, length--)
{
int stylePrev = style;
+ int lastActiveState = activeState;
style = styleNext;
styleNext = styler.StyleAt(i + 1);
+ activeState = (style == SCE_MYSQL_HIDDENCOMMAND) ? HIDDENCOMMAND_STATE : style & HIDDENCOMMAND_STATE;
char currentChar = nextChar;
nextChar = styler.SafeGetCharAt(i + 1);
bool atEOL = (currentChar == '\r' && nextChar != '\n') || (currentChar == '\n');
- switch (style)
+ switch (MASKACTIVE(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--;
- }
+ // Multiline comment style /* .. */ just started or is still in progress.
+ if (IsStreamCommentStyle(style) && !IsStreamCommentStyle(stylePrev))
+ levelNext++;
}
break;
case SCE_MYSQL_COMMENTLINE:
@@ -377,6 +413,7 @@ static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordL }
break;
case SCE_MYSQL_HIDDENCOMMAND:
+ /*
if (endPending)
{
// A conditional command is not a white space so it should end the current block
@@ -386,15 +423,9 @@ static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordL if (levelNext < SC_FOLDLEVELBASE)
levelNext = SC_FOLDLEVELBASE;
}
- if (style != stylePrev)
+ }*/
+ if (activeState != lastActiveState)
levelNext++;
- else
- if (style != styleNext)
- {
- levelNext--;
- if (levelNext < SC_FOLDLEVELBASE)
- levelNext = SC_FOLDLEVELBASE;
- }
break;
case SCE_MYSQL_OPERATOR:
if (endPending)
@@ -480,7 +511,7 @@ static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordL break;
default:
- if (!isspace(currentChar) && endPending)
+ if (!isspacechar(currentChar) && endPending)
{
// END followed by a non-whitespace character (not covered by other cases like identifiers)
// also should end a folding block. Typical case: END followed by self defined delimiter.
@@ -490,7 +521,23 @@ static void FoldMySQLDoc(unsigned int startPos, int length, int initStyle, WordL }
break;
}
-
+
+ // Go up one level if we just ended a multi line comment.
+ if (IsStreamCommentStyle(stylePrev) && !IsStreamCommentStyle(style))
+ {
+ levelNext--;
+ if (levelNext < SC_FOLDLEVELBASE)
+ levelNext = SC_FOLDLEVELBASE;
+ }
+
+ if (activeState == 0 && lastActiveState != 0)
+ {
+ // Decrease fold level when we left a hidden command.
+ levelNext--;
+ if (levelNext < SC_FOLDLEVELBASE)
+ levelNext = SC_FOLDLEVELBASE;
+ }
+
if (atEOL)
{
// Apply the new folding level to this line.
@@ -530,4 +577,4 @@ static const char * const mysqlWordListDesc[] = { 0
};
-LexerModule lmMySQL(SCLEX_MYSQL, ColouriseMySQLDoc, "mysql", FoldMySQLDoc, mysqlWordListDesc);
+LexerModule lmMySQL(SCLEX_MYSQL, ColouriseMySQLDoc, "mysql", FoldMySQLDoc, mysqlWordListDesc, 7);
|