967 lines
31 KiB
C++
967 lines
31 KiB
C++
//-*- coding: utf-8 -*-
|
|
// Scintilla source code edit control
|
|
/** @file LexSQL.cxx
|
|
** Lexer for SQL, including PL/SQL and SQL*Plus.
|
|
** Improved by Jérôme LAFORGE <jerome.laforge_AT_gmail_DOT_com> from 2010 to 2012.
|
|
**/
|
|
// Copyright 1998-2012 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 <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <map>
|
|
#include <algorithm>
|
|
|
|
#include "ILexer.h"
|
|
#include "Scintilla.h"
|
|
#include "SciLexer.h"
|
|
|
|
#include "WordList.h"
|
|
#include "LexAccessor.h"
|
|
#include "Accessor.h"
|
|
#include "StyleContext.h"
|
|
#include "CharacterSet.h"
|
|
#include "LexerModule.h"
|
|
#include "OptionSet.h"
|
|
#include "SparseState.h"
|
|
#include "DefaultLexer.h"
|
|
|
|
using namespace Scintilla;
|
|
|
|
static inline bool IsAWordChar(int ch, bool sqlAllowDottedWord) {
|
|
if (!sqlAllowDottedWord)
|
|
return (ch < 0x80) && (isalnum(ch) || ch == '_');
|
|
else
|
|
return (ch < 0x80) && (isalnum(ch) || 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, int chPrev) {
|
|
// 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 == '+') && chPrev < 0x80 && toupper(chPrev) == 'E'));
|
|
}
|
|
|
|
typedef unsigned int sql_state_t;
|
|
|
|
class SQLStates {
|
|
public :
|
|
void Set(Sci_Position lineNumber, unsigned short int sqlStatesLine) {
|
|
sqlStatement.Set(lineNumber, sqlStatesLine);
|
|
}
|
|
|
|
sql_state_t IgnoreWhen (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_IGNORE_WHEN;
|
|
else
|
|
sqlStatesLine &= ~MASK_IGNORE_WHEN;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoCondition (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_INTO_CONDITION;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_CONDITION;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoExceptionBlock (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_INTO_EXCEPTION;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_EXCEPTION;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoDeclareBlock (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_INTO_DECLARE;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_DECLARE;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoMergeStatement (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_MERGE_STATEMENT;
|
|
else
|
|
sqlStatesLine &= ~MASK_MERGE_STATEMENT;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t CaseMergeWithoutWhenFound (sql_state_t sqlStatesLine, bool found) {
|
|
if (found)
|
|
sqlStatesLine |= MASK_CASE_MERGE_WITHOUT_WHEN_FOUND;
|
|
else
|
|
sqlStatesLine &= ~MASK_CASE_MERGE_WITHOUT_WHEN_FOUND;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
sql_state_t IntoSelectStatementOrAssignment (sql_state_t sqlStatesLine, bool found) {
|
|
if (found)
|
|
sqlStatesLine |= MASK_INTO_SELECT_STATEMENT_OR_ASSIGNEMENT;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_SELECT_STATEMENT_OR_ASSIGNEMENT;
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t BeginCaseBlock (sql_state_t sqlStatesLine) {
|
|
if ((sqlStatesLine & MASK_NESTED_CASES) < MASK_NESTED_CASES) {
|
|
sqlStatesLine++;
|
|
}
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t EndCaseBlock (sql_state_t sqlStatesLine) {
|
|
if ((sqlStatesLine & MASK_NESTED_CASES) > 0) {
|
|
sqlStatesLine--;
|
|
}
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoCreateStatement (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_INTO_CREATE;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_CREATE;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoCreateViewStatement (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_INTO_CREATE_VIEW;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_CREATE_VIEW;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
sql_state_t IntoCreateViewAsStatement (sql_state_t sqlStatesLine, bool enable) {
|
|
if (enable)
|
|
sqlStatesLine |= MASK_INTO_CREATE_VIEW_AS_STATEMENT;
|
|
else
|
|
sqlStatesLine &= ~MASK_INTO_CREATE_VIEW_AS_STATEMENT;
|
|
|
|
return sqlStatesLine;
|
|
}
|
|
|
|
bool IsIgnoreWhen (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_IGNORE_WHEN) != 0;
|
|
}
|
|
|
|
bool IsIntoCondition (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_CONDITION) != 0;
|
|
}
|
|
|
|
bool IsIntoCaseBlock (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_NESTED_CASES) != 0;
|
|
}
|
|
|
|
bool IsIntoExceptionBlock (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_EXCEPTION) != 0;
|
|
}
|
|
bool IsIntoSelectStatementOrAssignment (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_SELECT_STATEMENT_OR_ASSIGNEMENT) != 0;
|
|
}
|
|
bool IsCaseMergeWithoutWhenFound (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_CASE_MERGE_WITHOUT_WHEN_FOUND) != 0;
|
|
}
|
|
|
|
bool IsIntoDeclareBlock (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_DECLARE) != 0;
|
|
}
|
|
|
|
bool IsIntoMergeStatement (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_MERGE_STATEMENT) != 0;
|
|
}
|
|
|
|
bool IsIntoCreateStatement (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_CREATE) != 0;
|
|
}
|
|
|
|
bool IsIntoCreateViewStatement (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_CREATE_VIEW) != 0;
|
|
}
|
|
|
|
bool IsIntoCreateViewAsStatement (sql_state_t sqlStatesLine) {
|
|
return (sqlStatesLine & MASK_INTO_CREATE_VIEW_AS_STATEMENT) != 0;
|
|
}
|
|
|
|
sql_state_t ForLine(Sci_Position lineNumber) {
|
|
return sqlStatement.ValueAt(lineNumber);
|
|
}
|
|
|
|
SQLStates() {}
|
|
|
|
private :
|
|
SparseState <sql_state_t> sqlStatement;
|
|
enum {
|
|
MASK_NESTED_CASES = 0x0001FF,
|
|
MASK_INTO_SELECT_STATEMENT_OR_ASSIGNEMENT = 0x000200,
|
|
MASK_CASE_MERGE_WITHOUT_WHEN_FOUND = 0x000400,
|
|
MASK_MERGE_STATEMENT = 0x000800,
|
|
MASK_INTO_DECLARE = 0x001000,
|
|
MASK_INTO_EXCEPTION = 0x002000,
|
|
MASK_INTO_CONDITION = 0x004000,
|
|
MASK_IGNORE_WHEN = 0x008000,
|
|
MASK_INTO_CREATE = 0x010000,
|
|
MASK_INTO_CREATE_VIEW = 0x020000,
|
|
MASK_INTO_CREATE_VIEW_AS_STATEMENT = 0x040000
|
|
};
|
|
};
|
|
|
|
// Options used for LexerSQL
|
|
struct OptionsSQL {
|
|
bool fold;
|
|
bool foldAtElse;
|
|
bool foldComment;
|
|
bool foldCompact;
|
|
bool foldOnlyBegin;
|
|
bool sqlBackticksIdentifier;
|
|
bool sqlNumbersignComment;
|
|
bool sqlBackslashEscapes;
|
|
bool sqlAllowDottedWord;
|
|
OptionsSQL() {
|
|
fold = false;
|
|
foldAtElse = false;
|
|
foldComment = false;
|
|
foldCompact = false;
|
|
foldOnlyBegin = false;
|
|
sqlBackticksIdentifier = false;
|
|
sqlNumbersignComment = false;
|
|
sqlBackslashEscapes = false;
|
|
sqlAllowDottedWord = false;
|
|
}
|
|
};
|
|
|
|
static const char * const sqlWordListDesc[] = {
|
|
"Keywords",
|
|
"Database Objects",
|
|
"PLDoc",
|
|
"SQL*Plus",
|
|
"User Keywords 1",
|
|
"User Keywords 2",
|
|
"User Keywords 3",
|
|
"User Keywords 4",
|
|
0
|
|
};
|
|
|
|
struct OptionSetSQL : public OptionSet<OptionsSQL> {
|
|
OptionSetSQL() {
|
|
DefineProperty("fold", &OptionsSQL::fold);
|
|
|
|
DefineProperty("fold.sql.at.else", &OptionsSQL::foldAtElse,
|
|
"This option enables SQL folding on a \"ELSE\" and \"ELSIF\" line of an IF statement.");
|
|
|
|
DefineProperty("fold.comment", &OptionsSQL::foldComment);
|
|
|
|
DefineProperty("fold.compact", &OptionsSQL::foldCompact);
|
|
|
|
DefineProperty("fold.sql.only.begin", &OptionsSQL::foldOnlyBegin);
|
|
|
|
DefineProperty("lexer.sql.backticks.identifier", &OptionsSQL::sqlBackticksIdentifier);
|
|
|
|
DefineProperty("lexer.sql.numbersign.comment", &OptionsSQL::sqlNumbersignComment,
|
|
"If \"lexer.sql.numbersign.comment\" property is set to 0 a line beginning with '#' will not be a comment.");
|
|
|
|
DefineProperty("sql.backslash.escapes", &OptionsSQL::sqlBackslashEscapes,
|
|
"Enables backslash as an escape character in SQL.");
|
|
|
|
DefineProperty("lexer.sql.allow.dotted.word", &OptionsSQL::sqlAllowDottedWord,
|
|
"Set to 1 to colourise recognized words with dots "
|
|
"(recommended for Oracle PL/SQL objects).");
|
|
|
|
DefineWordListSets(sqlWordListDesc);
|
|
}
|
|
};
|
|
|
|
class LexerSQL : public DefaultLexer {
|
|
public :
|
|
LexerSQL() {}
|
|
|
|
virtual ~LexerSQL() {}
|
|
|
|
int SCI_METHOD Version () const override {
|
|
return lvRelease4;
|
|
}
|
|
|
|
void SCI_METHOD Release() override {
|
|
delete this;
|
|
}
|
|
|
|
const char * SCI_METHOD PropertyNames() override {
|
|
return osSQL.PropertyNames();
|
|
}
|
|
|
|
int SCI_METHOD PropertyType(const char *name) override {
|
|
return osSQL.PropertyType(name);
|
|
}
|
|
|
|
const char * SCI_METHOD DescribeProperty(const char *name) override {
|
|
return osSQL.DescribeProperty(name);
|
|
}
|
|
|
|
Sci_Position SCI_METHOD PropertySet(const char *key, const char *val) override {
|
|
if (osSQL.PropertySet(&options, key, val)) {
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
const char * SCI_METHOD DescribeWordListSets() override {
|
|
return osSQL.DescribeWordListSets();
|
|
}
|
|
|
|
Sci_Position SCI_METHOD WordListSet(int n, const char *wl) override;
|
|
void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) override;
|
|
void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) override;
|
|
|
|
void * SCI_METHOD PrivateCall(int, void *) override {
|
|
return 0;
|
|
}
|
|
|
|
static ILexer4 *LexerFactorySQL() {
|
|
return new LexerSQL();
|
|
}
|
|
private:
|
|
bool IsStreamCommentStyle(int style) {
|
|
return style == SCE_SQL_COMMENT ||
|
|
style == SCE_SQL_COMMENTDOC ||
|
|
style == SCE_SQL_COMMENTDOCKEYWORD ||
|
|
style == SCE_SQL_COMMENTDOCKEYWORDERROR;
|
|
}
|
|
|
|
bool IsCommentStyle (int style) {
|
|
switch (style) {
|
|
case SCE_SQL_COMMENT :
|
|
case SCE_SQL_COMMENTDOC :
|
|
case SCE_SQL_COMMENTLINE :
|
|
case SCE_SQL_COMMENTLINEDOC :
|
|
case SCE_SQL_COMMENTDOCKEYWORD :
|
|
case SCE_SQL_COMMENTDOCKEYWORDERROR :
|
|
return true;
|
|
default :
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool IsCommentLine (Sci_Position line, LexAccessor &styler) {
|
|
Sci_Position pos = styler.LineStart(line);
|
|
Sci_Position eol_pos = styler.LineStart(line + 1) - 1;
|
|
for (Sci_Position i = pos; i + 1 < eol_pos; i++) {
|
|
int style = styler.StyleAt(i);
|
|
// MySQL needs -- comments to be followed by space or control char
|
|
if (style == SCE_SQL_COMMENTLINE && styler.Match(i, "--"))
|
|
return true;
|
|
else if (!IsASpaceOrTab(styler[i]))
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
OptionsSQL options;
|
|
OptionSetSQL osSQL;
|
|
SQLStates sqlStates;
|
|
|
|
WordList keywords1;
|
|
WordList keywords2;
|
|
WordList kw_pldoc;
|
|
WordList kw_sqlplus;
|
|
WordList kw_user1;
|
|
WordList kw_user2;
|
|
WordList kw_user3;
|
|
WordList kw_user4;
|
|
};
|
|
|
|
Sci_Position SCI_METHOD LexerSQL::WordListSet(int n, const char *wl) {
|
|
WordList *wordListN = 0;
|
|
switch (n) {
|
|
case 0:
|
|
wordListN = &keywords1;
|
|
break;
|
|
case 1:
|
|
wordListN = &keywords2;
|
|
break;
|
|
case 2:
|
|
wordListN = &kw_pldoc;
|
|
break;
|
|
case 3:
|
|
wordListN = &kw_sqlplus;
|
|
break;
|
|
case 4:
|
|
wordListN = &kw_user1;
|
|
break;
|
|
case 5:
|
|
wordListN = &kw_user2;
|
|
break;
|
|
case 6:
|
|
wordListN = &kw_user3;
|
|
break;
|
|
case 7:
|
|
wordListN = &kw_user4;
|
|
}
|
|
Sci_Position firstModification = -1;
|
|
if (wordListN) {
|
|
WordList wlNew;
|
|
wlNew.Set(wl);
|
|
if (*wordListN != wlNew) {
|
|
wordListN->Set(wl);
|
|
firstModification = 0;
|
|
}
|
|
}
|
|
return firstModification;
|
|
}
|
|
|
|
void SCI_METHOD LexerSQL::Lex(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) {
|
|
LexAccessor styler(pAccess);
|
|
StyleContext sc(startPos, length, initStyle, styler);
|
|
int styleBeforeDCKeyword = SCE_SQL_DEFAULT;
|
|
|
|
for (; sc.More(); sc.Forward()) {
|
|
// Determine if the current state should terminate.
|
|
switch (sc.state) {
|
|
case SCE_SQL_OPERATOR:
|
|
sc.SetState(SCE_SQL_DEFAULT);
|
|
break;
|
|
case SCE_SQL_NUMBER:
|
|
// We stop the number definition on non-numerical non-dot non-eE non-sign char
|
|
if (!IsANumberChar(sc.ch, sc.chPrev)) {
|
|
sc.SetState(SCE_SQL_DEFAULT);
|
|
}
|
|
break;
|
|
case SCE_SQL_IDENTIFIER:
|
|
if (!IsAWordChar(sc.ch, options.sqlAllowDottedWord)) {
|
|
int nextState = SCE_SQL_DEFAULT;
|
|
char s[1000];
|
|
sc.GetCurrentLowered(s, sizeof(s));
|
|
if (keywords1.InList(s)) {
|
|
sc.ChangeState(SCE_SQL_WORD);
|
|
} else if (keywords2.InList(s)) {
|
|
sc.ChangeState(SCE_SQL_WORD2);
|
|
} else if (kw_sqlplus.InListAbbreviated(s, '~')) {
|
|
sc.ChangeState(SCE_SQL_SQLPLUS);
|
|
if (strncmp(s, "rem", 3) == 0) {
|
|
nextState = SCE_SQL_SQLPLUS_COMMENT;
|
|
} else if (strncmp(s, "pro", 3) == 0) {
|
|
nextState = SCE_SQL_SQLPLUS_PROMPT;
|
|
}
|
|
} else if (kw_user1.InList(s)) {
|
|
sc.ChangeState(SCE_SQL_USER1);
|
|
} else if (kw_user2.InList(s)) {
|
|
sc.ChangeState(SCE_SQL_USER2);
|
|
} else if (kw_user3.InList(s)) {
|
|
sc.ChangeState(SCE_SQL_USER3);
|
|
} else if (kw_user4.InList(s)) {
|
|
sc.ChangeState(SCE_SQL_USER4);
|
|
}
|
|
sc.SetState(nextState);
|
|
}
|
|
break;
|
|
case SCE_SQL_QUOTEDIDENTIFIER:
|
|
if (sc.ch == 0x60) {
|
|
if (sc.chNext == 0x60) {
|
|
sc.Forward(); // Ignore it
|
|
} else {
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_SQL_COMMENT:
|
|
if (sc.Match('*', '/')) {
|
|
sc.Forward();
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
}
|
|
break;
|
|
case SCE_SQL_COMMENTDOC:
|
|
if (sc.Match('*', '/')) {
|
|
sc.Forward();
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
} else if (sc.ch == '@' || sc.ch == '\\') { // Doxygen support
|
|
// Verify that we have the conditions to mark a comment-doc-keyword
|
|
if ((IsASpace(sc.chPrev) || sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
|
|
styleBeforeDCKeyword = SCE_SQL_COMMENTDOC;
|
|
sc.SetState(SCE_SQL_COMMENTDOCKEYWORD);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_SQL_COMMENTLINE:
|
|
case SCE_SQL_COMMENTLINEDOC:
|
|
case SCE_SQL_SQLPLUS_COMMENT:
|
|
case SCE_SQL_SQLPLUS_PROMPT:
|
|
if (sc.atLineStart) {
|
|
sc.SetState(SCE_SQL_DEFAULT);
|
|
}
|
|
break;
|
|
case SCE_SQL_COMMENTDOCKEYWORD:
|
|
if ((styleBeforeDCKeyword == SCE_SQL_COMMENTDOC) && sc.Match('*', '/')) {
|
|
sc.ChangeState(SCE_SQL_COMMENTDOCKEYWORDERROR);
|
|
sc.Forward();
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
} else if (!IsADoxygenChar(sc.ch)) {
|
|
char s[100];
|
|
sc.GetCurrentLowered(s, sizeof(s));
|
|
if (!isspace(sc.ch) || !kw_pldoc.InList(s + 1)) {
|
|
sc.ChangeState(SCE_SQL_COMMENTDOCKEYWORDERROR);
|
|
}
|
|
sc.SetState(styleBeforeDCKeyword);
|
|
}
|
|
break;
|
|
case SCE_SQL_CHARACTER:
|
|
if (options.sqlBackslashEscapes && sc.ch == '\\') {
|
|
sc.Forward();
|
|
} else if (sc.ch == '\'') {
|
|
if (sc.chNext == '\'') {
|
|
sc.Forward();
|
|
} else {
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_SQL_STRING:
|
|
if (options.sqlBackslashEscapes && sc.ch == '\\') {
|
|
// Escape sequence
|
|
sc.Forward();
|
|
} else if (sc.ch == '\"') {
|
|
if (sc.chNext == '\"') {
|
|
sc.Forward();
|
|
} else {
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_SQL_QOPERATOR:
|
|
// Locate the unique Q operator character
|
|
sc.Complete();
|
|
char qOperator = 0x00;
|
|
for (Sci_Position styleStartPos = sc.currentPos; styleStartPos > 0; --styleStartPos) {
|
|
if (styler.StyleAt(styleStartPos - 1) != SCE_SQL_QOPERATOR) {
|
|
qOperator = styler.SafeGetCharAt(styleStartPos + 2);
|
|
break;
|
|
}
|
|
}
|
|
|
|
char qComplement = 0x00;
|
|
|
|
if (qOperator == '<') {
|
|
qComplement = '>';
|
|
} else if (qOperator == '(') {
|
|
qComplement = ')';
|
|
} else if (qOperator == '{') {
|
|
qComplement = '}';
|
|
} else if (qOperator == '[') {
|
|
qComplement = ']';
|
|
} else {
|
|
qComplement = qOperator;
|
|
}
|
|
|
|
if (sc.Match(qComplement, '\'')) {
|
|
sc.Forward();
|
|
sc.ForwardSetState(SCE_SQL_DEFAULT);
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Determine if a new state should be entered.
|
|
if (sc.state == SCE_SQL_DEFAULT) {
|
|
if (sc.Match('q', '\'') || sc.Match('Q', '\'')) {
|
|
sc.SetState(SCE_SQL_QOPERATOR);
|
|
sc.Forward();
|
|
} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext)) ||
|
|
((sc.ch == '-' || sc.ch == '+') && IsADigit(sc.chNext) && !IsADigit(sc.chPrev))) {
|
|
sc.SetState(SCE_SQL_NUMBER);
|
|
} else if (IsAWordStart(sc.ch)) {
|
|
sc.SetState(SCE_SQL_IDENTIFIER);
|
|
} else if (sc.ch == 0x60 && options.sqlBackticksIdentifier) {
|
|
sc.SetState(SCE_SQL_QUOTEDIDENTIFIER);
|
|
} else if (sc.Match('/', '*')) {
|
|
if (sc.Match("/**") || sc.Match("/*!")) { // Support of Doxygen doc. style
|
|
sc.SetState(SCE_SQL_COMMENTDOC);
|
|
} else {
|
|
sc.SetState(SCE_SQL_COMMENT);
|
|
}
|
|
sc.Forward(); // Eat the * so it isn't used for the end of the comment
|
|
} else if (sc.Match('-', '-')) {
|
|
// MySQL requires a space or control char after --
|
|
// http://dev.mysql.com/doc/mysql/en/ansi-diff-comments.html
|
|
// Perhaps we should enforce that with proper property:
|
|
//~ } else if (sc.Match("-- ")) {
|
|
sc.SetState(SCE_SQL_COMMENTLINE);
|
|
} else if (sc.ch == '#' && options.sqlNumbersignComment) {
|
|
sc.SetState(SCE_SQL_COMMENTLINEDOC);
|
|
} else if (sc.ch == '\'') {
|
|
sc.SetState(SCE_SQL_CHARACTER);
|
|
} else if (sc.ch == '\"') {
|
|
sc.SetState(SCE_SQL_STRING);
|
|
} else if (isoperator(static_cast<char>(sc.ch))) {
|
|
sc.SetState(SCE_SQL_OPERATOR);
|
|
}
|
|
}
|
|
}
|
|
sc.Complete();
|
|
}
|
|
|
|
void SCI_METHOD LexerSQL::Fold(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) {
|
|
if (!options.fold)
|
|
return;
|
|
LexAccessor styler(pAccess);
|
|
Sci_PositionU endPos = startPos + length;
|
|
int visibleChars = 0;
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
|
int levelCurrent = SC_FOLDLEVELBASE;
|
|
|
|
if (lineCurrent > 0) {
|
|
// Backtrack to previous line in case need to fix its fold status for folding block of single-line comments (i.e. '--').
|
|
Sci_Position lastNLPos = -1;
|
|
// And keep going back until we find an operator ';' followed
|
|
// by white-space and/or comments. This will improve folding.
|
|
while (--startPos > 0) {
|
|
char ch = styler[startPos];
|
|
if (ch == '\n' || (ch == '\r' && styler[startPos + 1] != '\n')) {
|
|
lastNLPos = startPos;
|
|
} else if (ch == ';' &&
|
|
styler.StyleAt(startPos) == SCE_SQL_OPERATOR) {
|
|
bool isAllClear = true;
|
|
for (Sci_Position tempPos = startPos + 1;
|
|
tempPos < lastNLPos;
|
|
++tempPos) {
|
|
int tempStyle = styler.StyleAt(tempPos);
|
|
if (!IsCommentStyle(tempStyle)
|
|
&& tempStyle != SCE_SQL_DEFAULT) {
|
|
isAllClear = false;
|
|
break;
|
|
}
|
|
}
|
|
if (isAllClear) {
|
|
startPos = lastNLPos + 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
lineCurrent = styler.GetLine(startPos);
|
|
if (lineCurrent > 0)
|
|
levelCurrent = styler.LevelAt(lineCurrent - 1) >> 16;
|
|
}
|
|
// And because folding ends at ';', keep going until we find one
|
|
// Otherwise if create ... view ... as is split over multiple
|
|
// lines the folding won't always update immediately.
|
|
Sci_PositionU docLength = styler.Length();
|
|
for (; endPos < docLength; ++endPos) {
|
|
if (styler.SafeGetCharAt(endPos) == ';') {
|
|
break;
|
|
}
|
|
}
|
|
|
|
int levelNext = levelCurrent;
|
|
char chNext = styler[startPos];
|
|
int styleNext = styler.StyleAt(startPos);
|
|
int style = initStyle;
|
|
bool endFound = false;
|
|
bool isUnfoldingIgnored = false;
|
|
// this statementFound flag avoids to fold when the statement is on only one line by ignoring ELSE or ELSIF
|
|
// eg. "IF condition1 THEN ... ELSIF condition2 THEN ... ELSE ... END IF;"
|
|
bool statementFound = false;
|
|
sql_state_t sqlStatesCurrentLine = 0;
|
|
if (!options.foldOnlyBegin) {
|
|
sqlStatesCurrentLine = sqlStates.ForLine(lineCurrent);
|
|
}
|
|
for (Sci_PositionU i = startPos; i < endPos; i++) {
|
|
char ch = chNext;
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
|
int stylePrev = style;
|
|
style = styleNext;
|
|
styleNext = styler.StyleAt(i + 1);
|
|
bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
|
|
if (atEOL || (!IsCommentStyle(style) && ch == ';')) {
|
|
if (endFound) {
|
|
//Maybe this is the end of "EXCEPTION" BLOCK (eg. "BEGIN ... EXCEPTION ... END;")
|
|
sqlStatesCurrentLine = sqlStates.IntoExceptionBlock(sqlStatesCurrentLine, false);
|
|
}
|
|
// set endFound and isUnfoldingIgnored to false if EOL is reached or ';' is found
|
|
endFound = false;
|
|
isUnfoldingIgnored = false;
|
|
}
|
|
if ((!IsCommentStyle(style) && ch == ';')) {
|
|
if (sqlStates.IsIntoMergeStatement(sqlStatesCurrentLine)) {
|
|
// This is the end of "MERGE" statement.
|
|
if (!sqlStates.IsCaseMergeWithoutWhenFound(sqlStatesCurrentLine))
|
|
levelNext--;
|
|
sqlStatesCurrentLine = sqlStates.IntoMergeStatement(sqlStatesCurrentLine, false);
|
|
levelNext--;
|
|
}
|
|
if (sqlStates.IsIntoSelectStatementOrAssignment(sqlStatesCurrentLine))
|
|
sqlStatesCurrentLine = sqlStates.IntoSelectStatementOrAssignment(sqlStatesCurrentLine, false);
|
|
if (sqlStates.IsIntoCreateStatement(sqlStatesCurrentLine)) {
|
|
if (sqlStates.IsIntoCreateViewStatement(sqlStatesCurrentLine)) {
|
|
if (sqlStates.IsIntoCreateViewAsStatement(sqlStatesCurrentLine)) {
|
|
levelNext--;
|
|
sqlStatesCurrentLine = sqlStates.IntoCreateViewAsStatement(sqlStatesCurrentLine, false);
|
|
}
|
|
sqlStatesCurrentLine = sqlStates.IntoCreateViewStatement(sqlStatesCurrentLine, false);
|
|
}
|
|
sqlStatesCurrentLine = sqlStates.IntoCreateStatement(sqlStatesCurrentLine, false);
|
|
}
|
|
}
|
|
if (ch == ':' && chNext == '=' && !IsCommentStyle(style))
|
|
sqlStatesCurrentLine = sqlStates.IntoSelectStatementOrAssignment(sqlStatesCurrentLine, true);
|
|
|
|
if (options.foldComment && IsStreamCommentStyle(style)) {
|
|
if (!IsStreamCommentStyle(stylePrev)) {
|
|
levelNext++;
|
|
} else if (!IsStreamCommentStyle(styleNext) && !atEOL) {
|
|
// Comments don't end at end of line and the next character may be unstyled.
|
|
levelNext--;
|
|
}
|
|
}
|
|
if (options.foldComment && (style == SCE_SQL_COMMENTLINE)) {
|
|
// MySQL needs -- comments to be followed by space or control char
|
|
if ((ch == '-') && (chNext == '-')) {
|
|
char chNext2 = styler.SafeGetCharAt(i + 2);
|
|
char chNext3 = styler.SafeGetCharAt(i + 3);
|
|
if (chNext2 == '{' || chNext3 == '{') {
|
|
levelNext++;
|
|
} else if (chNext2 == '}' || chNext3 == '}') {
|
|
levelNext--;
|
|
}
|
|
}
|
|
}
|
|
// Fold block of single-line comments (i.e. '--').
|
|
if (options.foldComment && atEOL && IsCommentLine(lineCurrent, styler)) {
|
|
if (!IsCommentLine(lineCurrent - 1, styler) && IsCommentLine(lineCurrent + 1, styler))
|
|
levelNext++;
|
|
else if (IsCommentLine(lineCurrent - 1, styler) && !IsCommentLine(lineCurrent + 1, styler))
|
|
levelNext--;
|
|
}
|
|
if (style == SCE_SQL_OPERATOR) {
|
|
if (ch == '(') {
|
|
if (levelCurrent > levelNext)
|
|
levelCurrent--;
|
|
levelNext++;
|
|
} else if (ch == ')') {
|
|
levelNext--;
|
|
} else if ((!options.foldOnlyBegin) && ch == ';') {
|
|
sqlStatesCurrentLine = sqlStates.IgnoreWhen(sqlStatesCurrentLine, false);
|
|
}
|
|
}
|
|
// If new keyword (cannot trigger on elseif or nullif, does less tests)
|
|
if (style == SCE_SQL_WORD && stylePrev != SCE_SQL_WORD) {
|
|
const int MAX_KW_LEN = 9; // Maximum length of folding keywords
|
|
char s[MAX_KW_LEN + 2];
|
|
unsigned int j = 0;
|
|
for (; j < MAX_KW_LEN + 1; j++) {
|
|
if (!iswordchar(styler[i + j])) {
|
|
break;
|
|
}
|
|
s[j] = static_cast<char>(tolower(styler[i + j]));
|
|
}
|
|
if (j == MAX_KW_LEN + 1) {
|
|
// Keyword too long, don't test it
|
|
s[0] = '\0';
|
|
} else {
|
|
s[j] = '\0';
|
|
}
|
|
if (!options.foldOnlyBegin &&
|
|
strcmp(s, "select") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.IntoSelectStatementOrAssignment(sqlStatesCurrentLine, true);
|
|
} else if (strcmp(s, "if") == 0) {
|
|
if (endFound) {
|
|
endFound = false;
|
|
if (options.foldOnlyBegin && !isUnfoldingIgnored) {
|
|
// this end isn't for begin block, but for if block ("end if;")
|
|
// so ignore previous "end" by increment levelNext.
|
|
levelNext++;
|
|
}
|
|
} else {
|
|
if (!options.foldOnlyBegin)
|
|
sqlStatesCurrentLine = sqlStates.IntoCondition(sqlStatesCurrentLine, true);
|
|
if (levelCurrent > levelNext) {
|
|
// doesn't include this line into the folding block
|
|
// because doesn't hide IF (eg "END; IF")
|
|
levelCurrent = levelNext;
|
|
}
|
|
}
|
|
} else if (!options.foldOnlyBegin &&
|
|
strcmp(s, "then") == 0 &&
|
|
sqlStates.IsIntoCondition(sqlStatesCurrentLine)) {
|
|
sqlStatesCurrentLine = sqlStates.IntoCondition(sqlStatesCurrentLine, false);
|
|
if (!options.foldOnlyBegin) {
|
|
if (levelCurrent > levelNext) {
|
|
levelCurrent = levelNext;
|
|
}
|
|
if (!statementFound)
|
|
levelNext++;
|
|
|
|
statementFound = true;
|
|
} else if (levelCurrent > levelNext) {
|
|
// doesn't include this line into the folding block
|
|
// because doesn't hide LOOP or CASE (eg "END; LOOP" or "END; CASE")
|
|
levelCurrent = levelNext;
|
|
}
|
|
} else if (strcmp(s, "loop") == 0 ||
|
|
strcmp(s, "case") == 0) {
|
|
if (endFound) {
|
|
endFound = false;
|
|
if (options.foldOnlyBegin && !isUnfoldingIgnored) {
|
|
// this end isn't for begin block, but for loop block ("end loop;") or case block ("end case;")
|
|
// so ignore previous "end" by increment levelNext.
|
|
levelNext++;
|
|
}
|
|
if ((!options.foldOnlyBegin) && strcmp(s, "case") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.EndCaseBlock(sqlStatesCurrentLine);
|
|
if (!sqlStates.IsCaseMergeWithoutWhenFound(sqlStatesCurrentLine))
|
|
levelNext--; //again for the "end case;" and block when
|
|
}
|
|
} else if (!options.foldOnlyBegin) {
|
|
if (strcmp(s, "case") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.BeginCaseBlock(sqlStatesCurrentLine);
|
|
sqlStatesCurrentLine = sqlStates.CaseMergeWithoutWhenFound(sqlStatesCurrentLine, true);
|
|
}
|
|
|
|
if (levelCurrent > levelNext)
|
|
levelCurrent = levelNext;
|
|
|
|
if (!statementFound)
|
|
levelNext++;
|
|
|
|
statementFound = true;
|
|
} else if (levelCurrent > levelNext) {
|
|
// doesn't include this line into the folding block
|
|
// because doesn't hide LOOP or CASE (eg "END; LOOP" or "END; CASE")
|
|
levelCurrent = levelNext;
|
|
}
|
|
} else if ((!options.foldOnlyBegin) && (
|
|
// folding for ELSE and ELSIF block only if foldAtElse is set
|
|
// and IF or CASE aren't on only one line with ELSE or ELSIF (with flag statementFound)
|
|
options.foldAtElse && !statementFound) && strcmp(s, "elsif") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.IntoCondition(sqlStatesCurrentLine, true);
|
|
levelCurrent--;
|
|
levelNext--;
|
|
} else if ((!options.foldOnlyBegin) && (
|
|
// folding for ELSE and ELSIF block only if foldAtElse is set
|
|
// and IF or CASE aren't on only one line with ELSE or ELSIF (with flag statementFound)
|
|
options.foldAtElse && !statementFound) && strcmp(s, "else") == 0) {
|
|
// prevent also ELSE is on the same line (eg. "ELSE ... END IF;")
|
|
statementFound = true;
|
|
if (sqlStates.IsIntoCaseBlock(sqlStatesCurrentLine) && sqlStates.IsCaseMergeWithoutWhenFound(sqlStatesCurrentLine)) {
|
|
sqlStatesCurrentLine = sqlStates.CaseMergeWithoutWhenFound(sqlStatesCurrentLine, false);
|
|
levelNext++;
|
|
} else {
|
|
// we are in same case "} ELSE {" in C language
|
|
levelCurrent--;
|
|
}
|
|
} else if (strcmp(s, "begin") == 0) {
|
|
levelNext++;
|
|
sqlStatesCurrentLine = sqlStates.IntoDeclareBlock(sqlStatesCurrentLine, false);
|
|
} else if ((strcmp(s, "end") == 0) ||
|
|
// SQL Anywhere permits IF ... ELSE ... ENDIF
|
|
// will only be active if "endif" appears in the
|
|
// keyword list.
|
|
(strcmp(s, "endif") == 0)) {
|
|
endFound = true;
|
|
levelNext--;
|
|
if (sqlStates.IsIntoSelectStatementOrAssignment(sqlStatesCurrentLine) && !sqlStates.IsCaseMergeWithoutWhenFound(sqlStatesCurrentLine))
|
|
levelNext--;
|
|
if (levelNext < SC_FOLDLEVELBASE) {
|
|
levelNext = SC_FOLDLEVELBASE;
|
|
isUnfoldingIgnored = true;
|
|
}
|
|
} else if ((!options.foldOnlyBegin) &&
|
|
strcmp(s, "when") == 0 &&
|
|
!sqlStates.IsIgnoreWhen(sqlStatesCurrentLine) &&
|
|
!sqlStates.IsIntoExceptionBlock(sqlStatesCurrentLine) && (
|
|
sqlStates.IsIntoCaseBlock(sqlStatesCurrentLine) ||
|
|
sqlStates.IsIntoMergeStatement(sqlStatesCurrentLine)
|
|
)
|
|
) {
|
|
sqlStatesCurrentLine = sqlStates.IntoCondition(sqlStatesCurrentLine, true);
|
|
|
|
// Don't foldind when CASE and WHEN are on the same line (with flag statementFound) (eg. "CASE selector WHEN expression1 THEN sequence_of_statements1;\n")
|
|
// and same way for MERGE statement.
|
|
if (!statementFound) {
|
|
if (!sqlStates.IsCaseMergeWithoutWhenFound(sqlStatesCurrentLine)) {
|
|
levelCurrent--;
|
|
levelNext--;
|
|
}
|
|
sqlStatesCurrentLine = sqlStates.CaseMergeWithoutWhenFound(sqlStatesCurrentLine, false);
|
|
}
|
|
} else if ((!options.foldOnlyBegin) && strcmp(s, "exit") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.IgnoreWhen(sqlStatesCurrentLine, true);
|
|
} else if ((!options.foldOnlyBegin) && !sqlStates.IsIntoDeclareBlock(sqlStatesCurrentLine) && strcmp(s, "exception") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.IntoExceptionBlock(sqlStatesCurrentLine, true);
|
|
} else if ((!options.foldOnlyBegin) &&
|
|
(strcmp(s, "declare") == 0 ||
|
|
strcmp(s, "function") == 0 ||
|
|
strcmp(s, "procedure") == 0 ||
|
|
strcmp(s, "package") == 0)) {
|
|
sqlStatesCurrentLine = sqlStates.IntoDeclareBlock(sqlStatesCurrentLine, true);
|
|
} else if ((!options.foldOnlyBegin) &&
|
|
strcmp(s, "merge") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.IntoMergeStatement(sqlStatesCurrentLine, true);
|
|
sqlStatesCurrentLine = sqlStates.CaseMergeWithoutWhenFound(sqlStatesCurrentLine, true);
|
|
levelNext++;
|
|
statementFound = true;
|
|
} else if ((!options.foldOnlyBegin) &&
|
|
strcmp(s, "create") == 0) {
|
|
sqlStatesCurrentLine = sqlStates.IntoCreateStatement(sqlStatesCurrentLine, true);
|
|
} else if ((!options.foldOnlyBegin) &&
|
|
strcmp(s, "view") == 0 &&
|
|
sqlStates.IsIntoCreateStatement(sqlStatesCurrentLine)) {
|
|
sqlStatesCurrentLine = sqlStates.IntoCreateViewStatement(sqlStatesCurrentLine, true);
|
|
} else if ((!options.foldOnlyBegin) &&
|
|
strcmp(s, "as") == 0 &&
|
|
sqlStates.IsIntoCreateViewStatement(sqlStatesCurrentLine) &&
|
|
! sqlStates.IsIntoCreateViewAsStatement(sqlStatesCurrentLine)) {
|
|
sqlStatesCurrentLine = sqlStates.IntoCreateViewAsStatement(sqlStatesCurrentLine, true);
|
|
levelNext++;
|
|
}
|
|
}
|
|
if (atEOL) {
|
|
int levelUse = levelCurrent;
|
|
int lev = levelUse | levelNext << 16;
|
|
if (visibleChars == 0 && options.foldCompact)
|
|
lev |= SC_FOLDLEVELWHITEFLAG;
|
|
if (levelUse < levelNext)
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
if (lev != styler.LevelAt(lineCurrent)) {
|
|
styler.SetLevel(lineCurrent, lev);
|
|
}
|
|
lineCurrent++;
|
|
levelCurrent = levelNext;
|
|
visibleChars = 0;
|
|
statementFound = false;
|
|
if (!options.foldOnlyBegin)
|
|
sqlStates.Set(lineCurrent, sqlStatesCurrentLine);
|
|
}
|
|
if (!isspacechar(ch)) {
|
|
visibleChars++;
|
|
}
|
|
}
|
|
}
|
|
|
|
LexerModule lmSQL(SCLEX_SQL, LexerSQL::LexerFactorySQL, "sql", sqlWordListDesc);
|