Initial import of qscintilla from 2007

1 files changed, 226 insertions, 0 deletions

diff --git a/src/LexFlagship.cpp b/src/LexFlagship.cpp
new file mode 100644
index 0000000..db0314e
--- /dev/null
+++ b/src/LexFlagship.cpp
@@ -0,0 +1,226 @@
+// Scintilla source code edit control
+/** @file LexFlagShip.cxx
+ ** Lexer for FlagShip 
+ ** (Syntactically compatible to other XBase dialects, like dBase, Clipper, Fox etc.)
+ **/
+// Copyright 2005 by Randy Butler
+// Copyright 1998-2003 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"
+
+static bool IsFlagShipComment(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 ||
+	       (isalnum(ch) || ch == '_');
+}
+
+static inline bool IsADateCharacter(const int ch) {
+	return (ch < 0x80) &&
+		(isalnum(ch) || ch == '|' || ch == '-' || ch == '/' || ch == ':' || ch == ' ' || ch == '\t');
+}
+
+
+static void ColouriseFlagShipDoc(unsigned int startPos, int length, int initStyle,
+                           WordList *keywordlists[], Accessor &styler) {
+
+	//bool FSScriptSyntax = true;
+	WordList &keywords = *keywordlists[0];
+	WordList &keywords2 = *keywordlists[1];
+	WordList &keywords3 = *keywordlists[2];
+	WordList &keywords4 = *keywordlists[3];
+
+	styler.StartAt(startPos);
+
+	int visibleChars = 0;
+
+	StyleContext sc(startPos, length, initStyle, styler);
+
+	for (; sc.More(); sc.Forward()) {
+
+		if (sc.state == SCE_FS_OPERATOR) {
+			sc.SetState(SCE_FS_DEFAULT);
+		} else if (sc.state == SCE_FS_IDENTIFIER) {
+			if (!IsAWordChar(sc.ch)) {
+				char s[100];
+				sc.GetCurrentLowered(s, sizeof(s));
+				if (keywords.InList(s)) {
+					sc.ChangeState(SCE_FS_KEYWORD);
+				} else if (keywords2.InList(s)) {
+					sc.ChangeState(SCE_FS_KEYWORD2);
+				} else if (keywords3.InList(s)) {
+					sc.ChangeState(SCE_FS_KEYWORD3);
+				} else if (keywords4.InList(s)) {
+					sc.ChangeState(SCE_FS_KEYWORD4);
+				}// Else, it is really an identifier...
+				sc.SetState(SCE_FS_DEFAULT);
+			}
+		} else if (sc.state == SCE_FS_NUMBER) {
+			if (!IsAWordChar(sc.ch)) {
+				sc.SetState(SCE_FS_DEFAULT);
+			}
+		} else if (sc.state == SCE_FS_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 (tolower(sc.chNext) == 'c') {
+					sc.Forward();
+				}
+				sc.ForwardSetState(SCE_FS_DEFAULT);
+			} else if (sc.atLineEnd) {
+				sc.ChangeState(SCE_FS_STRINGEOL);
+				sc.ForwardSetState(SCE_FS_DEFAULT);
+			}
+		} else if (sc.state == SCE_FS_COMMENT) {
+			if (sc.Match('*', '/')) {   // new code
+				sc.Forward();
+				sc.ForwardSetState(SCE_FS_DEFAULT);
+			//if (sc.atLineEnd) {       // old code
+			//	sc.SetState(SCE_FS_DEFAULT);
+			}
+		} else if (sc.state == SCE_FS_COMMENTLINE) {  //new code
+			if (sc.ch == '\r' || sc.ch == '\n') {
+				sc.SetState(SCE_FS_DEFAULT);
+				visibleChars = 0;
+			}
+		} else if (sc.state == SCE_FS_PREPROCESSOR) {
+			if (sc.atLineEnd) {
+				sc.SetState(SCE_FS_DEFAULT);
+			}
+		} else if (sc.state == SCE_FS_DATE) {
+			if (sc.ch == '#' || !IsADateCharacter(sc.chNext)) {
+				sc.ForwardSetState(SCE_FS_DEFAULT);
+			}
+		}
+
+		// Determine if a new state should be entered.
+		if (sc.state == SCE_FS_DEFAULT) {
+			if (sc.Match('/', '*')) {  // New code
+				sc.SetState(SCE_FS_COMMENT);
+				sc.Forward();	// Eat the * so it isn't used for the end of the comment
+			//if (sc.ch == '\'') {  // Old code
+			//	sc.SetState(SCE_FS_COMMENT); // old code
+			} else if (sc.Match('/', '/')) { // New code
+				sc.SetState(SCE_FS_COMMENTLINE);
+			} else if (sc.ch == '\"') {
+				sc.SetState(SCE_FS_STRING);
+			} else if (sc.ch == '#' && visibleChars == 0) {
+				// Preprocessor commands are alone on their line
+				sc.SetState(SCE_FS_PREPROCESSOR);
+			} else if (sc.ch == '#') {
+				int n = 1;
+				int chSeek = ' ';
+				while ((n < 100) && (chSeek == ' ' || chSeek == '\t')) {
+					chSeek = sc.GetRelative(n);
+					n++;
+				}
+				if (IsADigit(chSeek)) {
+					sc.SetState(SCE_FS_DATE);
+				} else {
+					sc.SetState(SCE_FS_OPERATOR);
+				}
+			} else if (sc.ch == '&' && tolower(sc.chNext) == 'h') {
+				sc.SetState(SCE_FS_NUMBER);
+			} else if (sc.ch == '&' && tolower(sc.chNext) == 'o') {
+				sc.SetState(SCE_FS_NUMBER);
+			} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
+				sc.SetState(SCE_FS_NUMBER);
+			} else if (IsAWordStart(sc.ch) || (sc.ch == '[')) {
+				sc.SetState(SCE_FS_IDENTIFIER);
+			} else if (isoperator(static_cast<char>(sc.ch)) || (sc.ch == '\\')) {
+				sc.SetState(SCE_FS_OPERATOR);
+			}
+		}
+
+		if (sc.atLineEnd) {
+			visibleChars = 0;
+		}
+		if (!IsASpace(sc.ch)) {
+			visibleChars++;
+		}
+	}
+	sc.Complete();
+}
+
+static void FoldFlagShipDoc(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, IsFlagShipComment);
+	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, IsFlagShipComment);
+			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, IsFlagShipComment);
+					if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
+						lev |= SC_FOLDLEVELHEADERFLAG;
+					}
+				}
+			}
+			indentCurrent = indentNext;
+			styler.SetLevel(lineCurrent, lev);
+			lineCurrent++;
+		}
+	}
+}
+
+
+static const char * const FSWordListDesc[] = {
+	"Keywords",
+	"functions",
+	"user2",
+	"user3",
+	0
+};
+
+LexerModule lmFlagShip(SCLEX_FLAGSHIP, ColouriseFlagShipDoc, "flagship", FoldFlagShipDoc, FSWordListDesc);
+
+
+