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Diffstat (limited to 'src/LexSQL.cxx')
-rw-r--r-- | src/LexSQL.cxx | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/src/LexSQL.cxx b/src/LexSQL.cxx deleted file mode 100644 index 7a4335bd2..000000000 --- a/src/LexSQL.cxx +++ /dev/null @@ -1,357 +0,0 @@ -// Scintilla source code edit control -/** @file LexSQL.cxx - ** Lexer for SQL, including PL/SQL and SQL*Plus. - **/ -// 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 == '+'); -} - -static void ColouriseSQLDoc(unsigned int startPos, int length, int initStyle, WordList *keywordlists[], - Accessor &styler) { - - WordList &keywords1 = *keywordlists[0]; - WordList &keywords2 = *keywordlists[1]; - WordList &kw_pldoc = *keywordlists[2]; - WordList &kw_sqlplus = *keywordlists[3]; - WordList &kw_user1 = *keywordlists[4]; - WordList &kw_user2 = *keywordlists[5]; - WordList &kw_user3 = *keywordlists[6]; - WordList &kw_user4 = *keywordlists[7]; - - StyleContext sc(startPos, length, initStyle, styler); - - // property sql.backslash.escapes - // Enables backslash as an escape character in SQL. - bool sqlBackslashEscapes = styler.GetPropertyInt("sql.backslash.escapes", 0) != 0; - - bool sqlBackticksIdentifier = styler.GetPropertyInt("lexer.sql.backticks.identifier", 0) != 0; - 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.SetState(SCE_SQL_DEFAULT); - } - break; - case SCE_SQL_IDENTIFIER: - if (!IsAWordChar(sc.ch)) { - 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 (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 (sc.ch == '\\') { - // Escape sequence - sc.Forward(); - } else if (sc.ch == '\"') { - if (sc.chNext == '\"') { - sc.Forward(); - } else { - sc.ForwardSetState(SCE_SQL_DEFAULT); - } - } - break; - } - - // Determine if a new state should be entered. - if (sc.state == SCE_SQL_DEFAULT) { - if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) { - sc.SetState(SCE_SQL_NUMBER); - } else if (IsAWordStart(sc.ch)) { - sc.SetState(SCE_SQL_IDENTIFIER); - } else if (sc.ch == 0x60 && 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 == '#') { - 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(); -} - -static bool IsStreamCommentStyle(int style) { - return style == SCE_SQL_COMMENT || - style == SCE_SQL_COMMENTDOC || - style == SCE_SQL_COMMENTDOCKEYWORD || - style == SCE_SQL_COMMENTDOCKEYWORDERROR; -} - -// 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 FoldSQLDoc(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; - - // property fold.sql.exists - // Enables "EXISTS" to end a fold as is started by "IF" in "DROP TABLE IF EXISTS". - bool foldSqlExists = styler.GetPropertyInt("fold.sql.exists", 1) != 0; - - unsigned int endPos = startPos + length; - int visibleChars = 0; - int lineCurrent = styler.GetLine(startPos); - int levelCurrent = SC_FOLDLEVELBASE; - if (lineCurrent > 0) { - levelCurrent = styler.LevelAt(lineCurrent - 1) >> 16; - } - int levelNext = levelCurrent; - char chNext = styler[startPos]; - int styleNext = styler.StyleAt(startPos); - int style = initStyle; - bool endFound = false; - for (unsigned int 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 (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 (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--; - } - } - } - if (style == SCE_SQL_OPERATOR) { - if (ch == '(') { - levelNext++; - } else if (ch == ')') { - levelNext--; - } - } - // 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 = 6; // 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 ((!foldOnlyBegin) && (strcmp(s, "if") == 0 || strcmp(s, "loop") == 0)) { - if (endFound) { - // ignore - endFound = false; - } else { - levelNext++; - } - } else if (strcmp(s, "begin") == 0) { - levelNext++; - } else if ((strcmp(s, "end") == 0) || -// // DROP TABLE IF EXISTS or CREATE TABLE IF NOT EXISTS - (foldSqlExists && (strcmp(s, "exists") == 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 (levelNext < SC_FOLDLEVELBASE) { - levelNext = SC_FOLDLEVELBASE; - } - } - } - if (atEOL) { - 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; - } - if (!isspacechar(ch)) { - visibleChars++; - } - } -} - -static const char * const sqlWordListDesc[] = { - "Keywords", - "Database Objects", - "PLDoc", - "SQL*Plus", - "User Keywords 1", - "User Keywords 2", - "User Keywords 3", - "User Keywords 4", - 0 -}; - -LexerModule lmSQL(SCLEX_SQL, ColouriseSQLDoc, "sql", FoldSQLDoc, sqlWordListDesc); |