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diff --git a/src/LexVB.cxx b/src/LexVB.cxx
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-// Scintilla source code edit control
-/** @file LexVB.cxx
- ** Lexer for Visual Basic and VBScript.
- **/
-// 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
-
-// Internal state, highlighted as number
-#define SCE_B_FILENUMBER SCE_B_DEFAULT+100
-
-
-static bool IsVBComment(Accessor &styler, int pos, int len) {
- return len > 0 && styler[pos] == '\'';
-}
-
-static inline bool IsTypeCharacter(int ch) {
- return ch == '%' || ch == '&' || ch == '@' || ch == '!' || ch == '#' || ch == '$';
-}
-
-// Extended to accept accented characters
-static inline bool IsAWordChar(int ch) {
- return ch >= 0x80 ||
- (isalnum(ch) || ch == '.' || ch == '_');
-}
-
-static inline bool IsAWordStart(int ch) {
- return ch >= 0x80 ||
- (isalpha(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 ColouriseVBDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler, bool vbScriptSyntax) {
-
- WordList &keywords = *keywordlists[0];
- WordList &keywords2 = *keywordlists[1];
- WordList &keywords3 = *keywordlists[2];
- WordList &keywords4 = *keywordlists[3];
-
- styler.StartAt(startPos);
-
- int visibleChars = 0;
- int fileNbDigits = 0;
-
- // Do not leak onto next line
- if (initStyle == SCE_B_STRINGEOL || initStyle == SCE_B_COMMENT || initStyle == SCE_B_PREPROCESSOR) {
- initStyle = SCE_B_DEFAULT;
- }
-
- StyleContext sc(startPos, length, initStyle, styler);
-
- for (; sc.More(); sc.Forward()) {
-
- if (sc.state == SCE_B_OPERATOR) {
- sc.SetState(SCE_B_DEFAULT);
- } else if (sc.state == SCE_B_IDENTIFIER) {
- if (!IsAWordChar(sc.ch)) {
- // In Basic (except VBScript), a variable name or a function name
- // can end with a special character indicating the type of the value
- // held or returned.
- bool skipType = false;
- if (!vbScriptSyntax && IsTypeCharacter(sc.ch)) {
- sc.Forward(); // Skip it
- skipType = true;
- }
- if (sc.ch == ']') {
- sc.Forward();
- }
- char s[100];
- sc.GetCurrentLowered(s, sizeof(s));
- if (skipType) {
- s[strlen(s) - 1] = '\0';
- }
- if (strcmp(s, "rem") == 0) {
- sc.ChangeState(SCE_B_COMMENT);
- } else {
- if (keywords.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD);
- } else if (keywords2.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD2);
- } else if (keywords3.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD3);
- } else if (keywords4.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD4);
- } // Else, it is really an identifier...
- sc.SetState(SCE_B_DEFAULT);
- }
- }
- } else if (sc.state == SCE_B_NUMBER) {
- // We stop the number definition on non-numerical non-dot non-eE non-sign char
- // Also accepts A-F for hex. numbers
- if (!IsANumberChar(sc.ch) && !(tolower(sc.ch) >= 'a' && tolower(sc.ch) <= 'f')) {
- sc.SetState(SCE_B_DEFAULT);
- }
- } else if (sc.state == SCE_B_STRING) {
- // VB doubles quotes to preserve them, so just end this string
- // state now as a following quote will start again
- if (sc.ch == '\"') {
- if (sc.chNext == '\"') {
- sc.Forward();
- } else {
- if (tolower(sc.chNext) == 'c') {
- sc.Forward();
- }
- sc.ForwardSetState(SCE_B_DEFAULT);
- }
- } else if (sc.atLineEnd) {
- visibleChars = 0;
- sc.ChangeState(SCE_B_STRINGEOL);
- sc.ForwardSetState(SCE_B_DEFAULT);
- }
- } else if (sc.state == SCE_B_COMMENT) {
- if (sc.atLineEnd) {
- visibleChars = 0;
- sc.ForwardSetState(SCE_B_DEFAULT);
- }
- } else if (sc.state == SCE_B_PREPROCESSOR) {
- if (sc.atLineEnd) {
- visibleChars = 0;
- sc.ForwardSetState(SCE_B_DEFAULT);
- }
- } else if (sc.state == SCE_B_FILENUMBER) {
- if (IsADigit(sc.ch)) {
- fileNbDigits++;
- if (fileNbDigits > 3) {
- sc.ChangeState(SCE_B_DATE);
- }
- } else if (sc.ch == '\r' || sc.ch == '\n' || sc.ch == ',') {
- // Regular uses: Close #1; Put #1, ...; Get #1, ... etc.
- // Too bad if date is format #27, Oct, 2003# or something like that...
- // Use regular number state
- sc.ChangeState(SCE_B_NUMBER);
- sc.SetState(SCE_B_DEFAULT);
- } else if (sc.ch == '#') {
- sc.ChangeState(SCE_B_DATE);
- sc.ForwardSetState(SCE_B_DEFAULT);
- } else {
- sc.ChangeState(SCE_B_DATE);
- }
- if (sc.state != SCE_B_FILENUMBER) {
- fileNbDigits = 0;
- }
- } else if (sc.state == SCE_B_DATE) {
- if (sc.atLineEnd) {
- visibleChars = 0;
- sc.ChangeState(SCE_B_STRINGEOL);
- sc.ForwardSetState(SCE_B_DEFAULT);
- } else if (sc.ch == '#') {
- sc.ForwardSetState(SCE_B_DEFAULT);
- }
- }
-
- if (sc.state == SCE_B_DEFAULT) {
- if (sc.ch == '\'') {
- sc.SetState(SCE_B_COMMENT);
- } else if (sc.ch == '\"') {
- sc.SetState(SCE_B_STRING);
- } else if (sc.ch == '#' && visibleChars == 0) {
- // Preprocessor commands are alone on their line
- sc.SetState(SCE_B_PREPROCESSOR);
- } else if (sc.ch == '#') {
- // It can be a date literal, ending with #, or a file number, from 1 to 511
- // The date literal depends on the locale, so anything can go between #'s.
- // Can be #January 1, 1993# or #1 Jan 93# or #05/11/2003#, etc.
- // So we set the FILENUMBER state, and switch to DATE if it isn't a file number
- sc.SetState(SCE_B_FILENUMBER);
- } else if (sc.ch == '&' && tolower(sc.chNext) == 'h') {
- // Hexadecimal number
- sc.SetState(SCE_B_NUMBER);
- sc.Forward();
- } else if (sc.ch == '&' && tolower(sc.chNext) == 'o') {
- // Octal number
- sc.SetState(SCE_B_NUMBER);
- sc.Forward();
- } else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
- sc.SetState(SCE_B_NUMBER);
- } else if (IsAWordStart(sc.ch) || (sc.ch == '[')) {
- sc.SetState(SCE_B_IDENTIFIER);
- } else if (isoperator(static_cast<char>(sc.ch)) || (sc.ch == '\\')) { // Integer division
- sc.SetState(SCE_B_OPERATOR);
- }
- }
-
- if (sc.atLineEnd) {
- visibleChars = 0;
- }
- if (!IsASpace(sc.ch)) {
- visibleChars++;
- }
- }
-
- if (sc.state == SCE_B_IDENTIFIER && !IsAWordChar(sc.ch)) {
- // In Basic (except VBScript), a variable name or a function name
- // can end with a special character indicating the type of the value
- // held or returned.
- bool skipType = false;
- if (!vbScriptSyntax && IsTypeCharacter(sc.ch)) {
- sc.Forward(); // Skip it
- skipType = true;
- }
- if (sc.ch == ']') {
- sc.Forward();
- }
- char s[100];
- sc.GetCurrentLowered(s, sizeof(s));
- if (skipType) {
- s[strlen(s) - 1] = '\0';
- }
- if (strcmp(s, "rem") == 0) {
- sc.ChangeState(SCE_B_COMMENT);
- } else {
- if (keywords.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD);
- } else if (keywords2.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD2);
- } else if (keywords3.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD3);
- } else if (keywords4.InList(s)) {
- sc.ChangeState(SCE_B_KEYWORD4);
- } // Else, it is really an identifier...
- sc.SetState(SCE_B_DEFAULT);
- }
- }
-
- sc.Complete();
-}
-
-static void FoldVBDoc(unsigned int startPos, int length, int,
- WordList *[], Accessor &styler) {
- int endPos = startPos + length;
-
- // Backtrack to previous line in case need to fix its fold status
- int lineCurrent = styler.GetLine(startPos);
- if (startPos > 0) {
- if (lineCurrent > 0) {
- lineCurrent--;
- startPos = styler.LineStart(lineCurrent);
- }
- }
- int spaceFlags = 0;
- int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, IsVBComment);
- char chNext = styler[startPos];
- for (int i = startPos; i < endPos; i++) {
- char ch = chNext;
- chNext = styler.SafeGetCharAt(i + 1);
-
- if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos)) {
- int lev = indentCurrent;
- int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags, IsVBComment);
- if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
- // Only non whitespace lines can be headers
- if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
- lev |= SC_FOLDLEVELHEADERFLAG;
- } else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
- // Line after is blank so check the next - maybe should continue further?
- int spaceFlags2 = 0;
- int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2, IsVBComment);
- if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
- lev |= SC_FOLDLEVELHEADERFLAG;
- }
- }
- }
- indentCurrent = indentNext;
- styler.SetLevel(lineCurrent, lev);
- lineCurrent++;
- }
- }
-}
-
-static void ColouriseVBNetDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
- ColouriseVBDoc(startPos, length, initStyle, keywordlists, styler, false);
-}
-
-static void ColouriseVBScriptDoc(unsigned int startPos, int length, int initStyle,
- WordList *keywordlists[], Accessor &styler) {
- ColouriseVBDoc(startPos, length, initStyle, keywordlists, styler, true);
-}
-
-static const char * const vbWordListDesc[] = {
- "Keywords",
- "user1",
- "user2",
- "user3",
- 0
-};
-
-LexerModule lmVB(SCLEX_VB, ColouriseVBNetDoc, "vb", FoldVBDoc, vbWordListDesc);
-LexerModule lmVBScript(SCLEX_VBSCRIPT, ColouriseVBScriptDoc, "vbscript", FoldVBDoc, vbWordListDesc);
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-11 23:08:52 +0000