[Scintilla] Add support for multiline-strings (#65)

maxguitextareascintilla.mod/LexMax.cxx

@@ -42,6 +42,8 @@ using namespace Scintilla;
 
 // for rem block
 #define SCE_B_COMMENTREM 19
+// for multi-line strings
+#define SCE_B_MULTILINE_STRING 23
 
 #define wxSCI_LEX_BLITZMAX 222
 
@@ -102,6 +104,7 @@ static int CheckBMFoldPoint(char const *token, int &level) {
 		!strcmp(token, "type") ||
 		!strcmp(token, "interface") ||
 		!strcmp(token, "struct") ||
+		!strcmp(token, "enum") ||
 		!strcmp(token, "method")) {
 		level |= SC_FOLDLEVELHEADERFLAG;
 		return 1;
@@ -114,6 +117,8 @@ static int CheckBMFoldPoint(char const *token, int &level) {
         !strcmp(token, "endinterface") ||
         !strcmp(token, "end struct") ||
         !strcmp(token, "endstruct") ||
+        !strcmp(token, "end enum") ||
+        !strcmp(token, "endenum") ||
 		!strcmp(token, "end method") ||
         	!strcmp(token, "endmethod")) {
 		return -1;
@@ -410,6 +415,12 @@ void SCI_METHOD LexerMax::Lex(Sci_PositionU startPos, Sci_Position length, int i
 				sc.ChangeState(SCE_B_ERROR);
 				sc.SetState(SCE_B_DEFAULT);
 			}
+		} else if (sc.state == SCE_B_MULTILINE_STRING) {
+			if (sc.Match("\"\"\"")) {
+				sc.Forward();
+				sc.Forward();
+				sc.ForwardSetState(SCE_B_DEFAULT);
+			}
 		} else if (sc.state == SCE_B_COMMENT || sc.state == SCE_B_PREPROCESSOR) {
 			if (sc.atLineEnd) {
 				sc.SetState(SCE_B_DEFAULT);
@@ -433,7 +444,14 @@ void SCI_METHOD LexerMax::Lex(Sci_PositionU startPos, Sci_Position length, int i
 				else
 					sc.SetState(SCE_B_COMMENT);
 			} else if (sc.Match('"')) {
-				sc.SetState(SCE_B_STRING);
+				//multi- or single-line ?
+				if (sc.Match("\"\"\"")) {
+					sc.SetState(SCE_B_MULTILINE_STRING);
+					sc.Forward();
+					sc.Forward();
+				} else {
+					sc.SetState(SCE_B_STRING);
+				}
 			} else if (IsDigit(sc.ch)) {
 				sc.SetState(SCE_B_NUMBER);
 			} else if (sc.Match('$')) {

maxguitextareascintilla.mod/glue.c

@@ -436,6 +436,7 @@ void bmx_mgta_scintilla_sethighlightstyle(SCI_HANDLE sci, int style, int flags,
 						break;
 					case 2:
 						scintilla_send_message(sci, SCI_STYLESETFORE, SCE_B_STRING, color);
+						scintilla_send_message(sci, SCI_STYLESETFORE, SCE_B_MULTILINE_STRING, color);
 						break;
 					case 3:
 						scintilla_send_message(sci, SCI_STYLESETFORE, SCE_B_KEYWORD, color);

maxguitextareascintilla.mod/scintilla/include/SciLexer.h

@@ -446,6 +446,7 @@
 #define SCE_B_DOCLINE 20
 #define SCE_B_DOCBLOCK 21
 #define SCE_B_DOCKEYWORD 22
+#define SCE_B_MULTILINE_STRING 23
 #define SCE_PROPS_DEFAULT 0
 #define SCE_PROPS_COMMENT 1
 #define SCE_PROPS_SECTION 2