Moved lexers into lexers directory.

1 files changed, 221 insertions, 0 deletions

diff --git a/lexers/LexSML.cxx b/lexers/LexSML.cxx
new file mode 100644
index 000000000..a41b4c10d
--- /dev/null
+++ b/lexers/LexSML.cxx
@@ -0,0 +1,221 @@
+// Scintilla source code edit control
+/** @file LexSML.cxx
+ ** Lexer for SML.
+ **/
+// Copyright 2009 by James Moffatt and Yuzhou Xin
+// Modified from LexCaml.cxx by Robert Roessler <robertr@rftp.com> Copyright 2005
+// 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"
+
+inline int  issml(int c) {return isalnum(c) || c == '_';}
+inline int issmlf(int c) {return isalpha(c) || c == '_';}
+inline int issmld(int c) {return isdigit(c) || c == '_';}
+
+
+#ifdef SCI_NAMESPACE
+using namespace Scintilla;
+#endif
+
+void ColouriseSMLDoc(
+	unsigned int startPos, int length,
+	int initStyle,
+	WordList *keywordlists[],
+	Accessor &styler)
+{
+	StyleContext sc(startPos, length, initStyle, styler);
+	int nesting = 0;
+	if (sc.state < SCE_SML_STRING)
+		sc.state = SCE_SML_DEFAULT;
+	if (sc.state >= SCE_SML_COMMENT)
+		nesting = (sc.state & 0x0f) - SCE_SML_COMMENT;
+
+	int chBase = 0, chToken = 0, chLit = 0;
+	WordList& keywords  = *keywordlists[0];
+	WordList& keywords2 = *keywordlists[1];
+	WordList& keywords3 = *keywordlists[2];
+	const int useMagic = styler.GetPropertyInt("lexer.caml.magic", 0);
+
+	while (sc.More()) {
+		int state2 = -1;
+		int chColor = sc.currentPos - 1;
+		bool advance = true;
+
+		switch (sc.state & 0x0f) {
+		case SCE_SML_DEFAULT:
+			chToken = sc.currentPos;
+			if (issmlf(sc.ch))
+				state2 = SCE_SML_IDENTIFIER;
+			else if (sc.Match('`') && issmlf(sc.chNext))
+				state2 = SCE_SML_TAGNAME;
+			else if (sc.Match('#')&&isdigit(sc.chNext))
+					state2 = SCE_SML_LINENUM;
+			else if (sc.Match('#','\"')){
+					state2 = SCE_SML_CHAR,chLit = 0;
+					sc.Forward();
+					
+				}
+			else if (isdigit(sc.ch)) {
+				state2 = SCE_SML_NUMBER, chBase = 10;
+				if (sc.Match('0') && strchr("xX", sc.chNext))
+					chBase = 16, sc.Forward();}
+			else if (sc.Match('\"')&&sc.chPrev!='#')
+				state2 = SCE_SML_STRING;
+			else if (sc.Match('(', '*')){
+				state2 = SCE_SML_COMMENT,
+					sc.ch = ' ',
+					sc.Forward();}
+			else if (strchr("!~"
+					"=<>@^+-*/"
+					"()[];,:.#", sc.ch))
+				state2 = SCE_SML_OPERATOR;
+			break;
+
+		case SCE_SML_IDENTIFIER:
+			if (!(issml(sc.ch) || sc.Match('\''))) {
+				const int n = sc.currentPos - chToken;
+				if (n < 24) {
+					char t[24];
+					for (int i = -n; i < 0; i++)
+						t[n + i] = static_cast<char>(sc.GetRelative(i));
+					t[n] = '\0';
+					if ((n == 1 && sc.chPrev == '_') || keywords.InList(t))
+						sc.ChangeState(SCE_SML_KEYWORD);
+					else if (keywords2.InList(t))
+						sc.ChangeState(SCE_SML_KEYWORD2);
+					else if (keywords3.InList(t))
+						sc.ChangeState(SCE_SML_KEYWORD3);
+				}
+				state2 = SCE_SML_DEFAULT, advance = false;
+			}
+			break;
+
+		case SCE_SML_TAGNAME:
+			if (!(issml(sc.ch) || sc.Match('\'')))
+				state2 = SCE_SML_DEFAULT, advance = false;
+			break;
+
+		case SCE_SML_LINENUM:
+			if (!isdigit(sc.ch))
+				state2 = SCE_SML_DEFAULT, advance = false;
+			break;
+
+		case SCE_SML_OPERATOR: {
+			const char* o = 0;
+			if (issml(sc.ch) || isspace(sc.ch)
+				|| (o = strchr(")]};,\'\"`#", sc.ch),o)
+				|| !strchr("!$%&*+-./:<=>?@^|~", sc.ch)) {
+				if (o && strchr(")]};,", sc.ch)) {
+					if ((sc.Match(')') && sc.chPrev == '(')
+						|| (sc.Match(']') && sc.chPrev == '['))
+						sc.ChangeState(SCE_SML_KEYWORD);
+					chColor++;
+				} else
+					advance = false;
+				state2 = SCE_SML_DEFAULT;
+			}
+			break;
+		}
+
+		case SCE_SML_NUMBER:
+			if (issmld(sc.ch) || IsADigit(sc.ch, chBase))
+				break;
+			if ((sc.Match('l') || sc.Match('L') || sc.Match('n'))
+				&& (issmld(sc.chPrev) || IsADigit(sc.chPrev, chBase)))
+				break;
+			if (chBase == 10) {
+				if (sc.Match('.') && issmld(sc.chPrev))
+					break;
+				if ((sc.Match('e') || sc.Match('E'))
+					&& (issmld(sc.chPrev) || sc.chPrev == '.'))
+					break;
+				if ((sc.Match('+') || sc.Match('-'))
+					&& (sc.chPrev == 'e' || sc.chPrev == 'E'))
+					break;
+			}
+			state2 = SCE_SML_DEFAULT, advance = false;
+			break;
+
+		case SCE_SML_CHAR:
+			if (sc.Match('\\')) {
+				chLit = 1;
+				if (sc.chPrev == '\\')
+					sc.ch = ' ';
+			} else if ((sc.Match('\"') && sc.chPrev != '\\') || sc.atLineEnd) {
+				state2 = SCE_SML_DEFAULT;
+				chLit = 1;
+				if (sc.Match('\"'))
+					chColor++;
+				else
+					sc.ChangeState(SCE_SML_IDENTIFIER);
+			} else if (chLit < 1 && sc.currentPos - chToken >= 3)
+				sc.ChangeState(SCE_SML_IDENTIFIER), advance = false;
+			break;
+
+		case SCE_SML_STRING:
+			if (sc.Match('\\') && sc.chPrev == '\\')
+				sc.ch = ' ';
+			else if (sc.Match('\"') && sc.chPrev != '\\')
+				state2 = SCE_SML_DEFAULT, chColor++;
+			break;
+
+		case SCE_SML_COMMENT:
+		case SCE_SML_COMMENT1:
+		case SCE_SML_COMMENT2:
+		case SCE_SML_COMMENT3:
+			if (sc.Match('(', '*'))
+				state2 = sc.state + 1, chToken = sc.currentPos,
+					sc.ch = ' ',
+					sc.Forward(), nesting++;
+			else if (sc.Match(')') && sc.chPrev == '*') {
+				if (nesting)
+					state2 = (sc.state & 0x0f) - 1, chToken = 0, nesting--;
+				else
+					state2 = SCE_SML_DEFAULT;
+				chColor++;
+			} else if (useMagic && sc.currentPos - chToken == 4
+				&& sc.Match('c') && sc.chPrev == 'r' && sc.GetRelative(-2) == '@')
+				sc.state |= 0x10;
+			break;
+		}
+
+		if (state2 >= 0)
+			styler.ColourTo(chColor, sc.state), sc.ChangeState(state2);
+		if (advance)
+			sc.Forward();
+	}
+
+	sc.Complete();
+}
+
+void FoldSMLDoc(
+	unsigned int, int,
+	int,
+	WordList *[],
+	Accessor &)
+{
+}
+
+static const char * const SMLWordListDesc[] = {
+	"Keywords",
+	"Keywords2",
+	"Keywords3",
+	0
+};
+
+LexerModule lmSML(SCLEX_SML, ColouriseSMLDoc, "SML", FoldSMLDoc, SMLWordListDesc);
+