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-rw-r--r--src/KeyWords.cxx3
-rw-r--r--src/LexBasic.cxx325
-rw-r--r--src/LexCaml.cxx389
3 files changed, 717 insertions, 0 deletions
diff --git a/src/KeyWords.cxx b/src/KeyWords.cxx
index 66e82094c..858eb54a3 100644
--- a/src/KeyWords.cxx
+++ b/src/KeyWords.cxx
@@ -137,7 +137,10 @@ int Scintilla_LinkLexers() {
LINK_LEXER(lmAVE);
LINK_LEXER(lmBaan);
LINK_LEXER(lmBash);
+ LINK_LEXER(lmBlitzBasic);
+ LINK_LEXER(lmPureBasic);
LINK_LEXER(lmBullant);
+ LINK_LEXER(lmCaml);
LINK_LEXER(lmClw);
LINK_LEXER(lmClwNoCase);
LINK_LEXER(lmConf);
diff --git a/src/LexBasic.cxx b/src/LexBasic.cxx
new file mode 100644
index 000000000..b8f83f171
--- /dev/null
+++ b/src/LexBasic.cxx
@@ -0,0 +1,325 @@
+// Scintilla source code edit control
+/** @file LexBB.cxx
+ ** Lexer for BlitzBasic.
+ **/
+// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
+// The License.txt file describes the conditions under which this software may be distributed.
+
+// This tries to be a unified Lexer/Folder for all the BlitzBasic/BlitzMax/PurBasic basics
+// and derivatives. Once they diverge enough, might want to split it into multiple
+// lexers for more code clearity.
+//
+// Mail me (elias <at> users <dot> sf <dot> net) for any bugs.
+
+// Folding only works for simple things like functions or types.
+
+// You may want to have a look at my ctags lexer as well, if you additionally to coloring
+// and folding need to extract things like label tags in your editor.
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.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"
+
+/* Bits:
+ * 1 - whitespace
+ * 2 - operator
+ * 4 - identifier
+ * 8 - decimal digit
+ * 16 - hex digit
+ * 32 - bin digit
+ */
+static int character_classification[128] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 10, 2,
+ 60, 60, 28, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2,
+ 2, 20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 4,
+ 2, 20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 0
+};
+
+static bool IsSpace(int c) {
+ return c < 128 && (character_classification[c] & 1);
+}
+
+static bool IsOperator(int c) {
+ return c < 128 && (character_classification[c] & 2);
+}
+
+static bool IsIdentifier(int c) {
+ return c < 128 && (character_classification[c] & 4);
+}
+
+static bool IsDigit(int c) {
+ return c < 128 && (character_classification[c] & 8);
+}
+
+static bool IsHexDigit(int c) {
+ return c < 128 && (character_classification[c] & 16);
+}
+
+static bool IsBinDigit(int c) {
+ return c < 128 && (character_classification[c] & 32);
+}
+
+static int LowerCase(int c)
+{
+ if (c >= 'A' && c <= 'Z')
+ return 'a' + c - 'A';
+ return c;
+}
+
+static void ColouriseBasicDoc(unsigned int startPos, int length, int initStyle,
+ WordList *keywordlists[], Accessor &styler) {
+ bool wasfirst = true, isfirst = true; // true if first token in a line
+ styler.StartAt(startPos);
+
+ StyleContext sc(startPos, length, initStyle, styler);
+
+ // Can't use sc.More() here else we miss the last character
+ for (; ; sc.Forward()) {
+ if (sc.state == SCE_B_IDENTIFIER) {
+ if (!IsIdentifier(sc.ch)) {
+ // Labels
+ if (wasfirst && sc.Match(':')) {
+ sc.ChangeState(SCE_B_LABEL);
+ sc.ForwardSetState(SCE_B_DEFAULT);
+ } else {
+ char s[100];
+ int kstates[4] = {
+ SCE_B_KEYWORD,
+ SCE_B_KEYWORD2,
+ SCE_B_KEYWORD3,
+ SCE_B_KEYWORD4,
+ };
+ sc.GetCurrentLowered(s, sizeof(s));
+ for (int i = 0; i < 4; i++) {
+ if (keywordlists[i]->InList(s)) {
+ sc.ChangeState(kstates[i]);
+ }
+ }
+ // Types, must set them as operator else they will be
+ // matched as number/constant
+ if (sc.Match('.') || sc.Match('$') || sc.Match('%') ||
+ sc.Match('#')) {
+ sc.SetState(SCE_B_OPERATOR);
+ } else {
+ sc.SetState(SCE_B_DEFAULT);
+ }
+ }
+ }
+ } else if (sc.state == SCE_B_OPERATOR) {
+ if (!IsOperator(sc.ch) || sc.Match('#'))
+ sc.SetState(SCE_B_DEFAULT);
+ } else if (sc.state == SCE_B_LABEL) {
+ if (!IsIdentifier(sc.ch))
+ sc.SetState(SCE_B_DEFAULT);
+ } else if (sc.state == SCE_B_CONSTANT) {
+ if (!IsIdentifier(sc.ch))
+ sc.SetState(SCE_B_DEFAULT);
+ } else if (sc.state == SCE_B_NUMBER) {
+ if (!IsDigit(sc.ch))
+ sc.SetState(SCE_B_DEFAULT);
+ } else if (sc.state == SCE_B_HEXNUMBER) {
+ if (!IsHexDigit(sc.ch))
+ sc.SetState(SCE_B_DEFAULT);
+ } else if (sc.state == SCE_B_BINNUMBER) {
+ if (!IsBinDigit(sc.ch))
+ sc.SetState(SCE_B_DEFAULT);
+ } else if (sc.state == SCE_B_STRING) {
+ if (sc.ch == '"') {
+ sc.ForwardSetState(SCE_B_DEFAULT);
+ }
+ if (sc.atLineEnd) {
+ sc.ChangeState(SCE_B_ERROR);
+ sc.SetState(SCE_B_DEFAULT);
+ }
+ } else if (sc.state == SCE_B_COMMENT) {
+ if (sc.atLineEnd) {
+ sc.SetState(SCE_B_DEFAULT);
+ }
+ }
+
+ if (sc.atLineStart)
+ isfirst = true;
+
+ if (sc.state == SCE_B_DEFAULT || sc.state == SCE_B_ERROR) {
+ if (isfirst && sc.Match('.')) {
+ sc.SetState(SCE_B_LABEL);
+ } else if (sc.Match(';')) {
+ sc.SetState(SCE_B_COMMENT);
+ } else if (sc.Match('"')) {
+ sc.SetState(SCE_B_STRING);
+ } else if (IsDigit(sc.ch)) {
+ sc.SetState(SCE_B_NUMBER);
+ } else if (sc.Match('$')) {
+ sc.SetState(SCE_B_HEXNUMBER);
+ } else if (sc.Match('%')) {
+ sc.SetState(SCE_B_BINNUMBER);
+ } else if (sc.Match('#')) {
+ sc.SetState(SCE_B_CONSTANT);
+ } else if (IsOperator(sc.ch)) {
+ sc.SetState(SCE_B_OPERATOR);
+ } else if (IsIdentifier(sc.ch)) {
+ wasfirst = isfirst;
+ sc.SetState(SCE_B_IDENTIFIER);
+ } else if (!IsSpace(sc.ch)) {
+ sc.SetState(SCE_B_ERROR);
+ }
+ }
+
+ if (!IsSpace(sc.ch))
+ isfirst = false;
+
+ if (!sc.More())
+ break;
+ }
+ sc.Complete();
+}
+
+static int CheckBlitzFoldPoint(char const *token, int &level) {
+ if (!strcmp(token, "function") ||
+ !strcmp(token, "type")) {
+ level |= SC_FOLDLEVELHEADERFLAG;
+ return 1;
+ }
+ if (!strcmp(token, "end function") ||
+ !strcmp(token, "end type")) {
+ return -1;
+ }
+ return 0;
+}
+
+static int CheckPureFoldPoint(char const *token, int &level) {
+ if (!strcmp(token, "procedure") ||
+ !strcmp(token, "enumeration") ||
+ !strcmp(token, "interface") ||
+ !strcmp(token, "structure")) {
+ level |= SC_FOLDLEVELHEADERFLAG;
+ return 1;
+ }
+ if (!strcmp(token, "endprocedure") ||
+ !strcmp(token, "endenumeration") ||
+ !strcmp(token, "endinterface") ||
+ !strcmp(token, "endstructure")) {
+ return -1;
+ }
+ return 0;
+}
+
+static void FoldBasicDoc(unsigned int startPos, int length,
+ Accessor &styler, int (*CheckFoldPoint)(char const *, int &)) {
+ int line = styler.GetLine(startPos);
+ int level = styler.LevelAt(line);
+ int go = 0, done = 0;
+ int endPos = startPos + length;
+ char word[256];
+ int wordlen = 0;
+ int i;
+ bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
+ // Scan for tokens at the start of the line (they may include
+ // whitespace, for tokens like "End Function"
+ for (i = startPos; i < endPos; i++) {
+ int c = styler.SafeGetCharAt(i);
+ if (!done && !go) {
+ if (wordlen) { // are we scanning a token already?
+ word[wordlen] = static_cast<char>(LowerCase(c));
+ if (!IsIdentifier(c)) { // done with token
+ word[wordlen] = '\0';
+ go = CheckFoldPoint(word, level);
+ if (!go) {
+ // Treat any whitespace as single blank, for
+ // things like "End Function".
+ if (IsSpace(c) && IsIdentifier(word[wordlen - 1])) {
+ word[wordlen] = ' ';
+ if (wordlen < 255)
+ wordlen++;
+ }
+ else // done with this line
+ done = 1;
+ }
+ } else if (wordlen < 255) {
+ wordlen++;
+ }
+ } else { // start scanning at first non-whitespace character
+ if (!IsSpace(c)) {
+ if (IsIdentifier(c)) {
+ word[0] = static_cast<char>(LowerCase(c));
+ wordlen = 1;
+ } else // done with this line
+ done = 1;
+ }
+ }
+ }
+ if (c == '\n') { // line end
+ if (!done && wordlen == 0 && foldCompact) // line was only space
+ level |= SC_FOLDLEVELWHITEFLAG;
+ if (level != styler.LevelAt(line))
+ styler.SetLevel(line, level);
+ level += go;
+ line++;
+ // reset state
+ wordlen = 0;
+ level &= ~SC_FOLDLEVELHEADERFLAG;
+ level &= ~SC_FOLDLEVELWHITEFLAG;
+ go = 0;
+ done = 0;
+ }
+ }
+}
+
+static void ColouriseBlitzBasicDoc(unsigned int startPos, int length, int initStyle,
+ WordList *keywordlists[], Accessor &styler) {
+ ColouriseBasicDoc(startPos, length, initStyle, keywordlists, styler);
+}
+
+static void ColourisePureBasicDoc(unsigned int startPos, int length, int initStyle,
+ WordList *keywordlists[], Accessor &styler) {
+ ColouriseBasicDoc(startPos, length, initStyle, keywordlists, styler);
+}
+
+static void FoldBlitzBasicDoc(unsigned int startPos, int length, int,
+ WordList *[], Accessor &styler) {
+ FoldBasicDoc(startPos, length, styler, CheckBlitzFoldPoint);
+}
+
+static void FoldPureBasicDoc(unsigned int startPos, int length, int,
+ WordList *[], Accessor &styler) {
+ FoldBasicDoc(startPos, length, styler, CheckPureFoldPoint);
+}
+
+static const char * const blitzbasicWordListDesc[] = {
+ "BlitzBasic Keywords",
+ "user1",
+ "user2",
+ "user3",
+ 0
+};
+
+static const char * const purebasicWordListDesc[] = {
+ "PureBasic Keywords",
+ "PureBasic PreProcessor Keywords",
+ "user defined 1",
+ "user defined 2",
+ 0
+};
+
+LexerModule lmBlitzBasic(SCLEX_BLITZBASIC, ColouriseBlitzBasicDoc, "blitzbasic",
+ FoldBlitzBasicDoc, blitzbasicWordListDesc);
+
+LexerModule lmPureBasic(SCLEX_PUREBASIC, ColourisePureBasicDoc, "purebasic",
+ FoldPureBasicDoc, purebasicWordListDesc);
+
diff --git a/src/LexCaml.cxx b/src/LexCaml.cxx
new file mode 100644
index 000000000..ac1bfba5d
--- /dev/null
+++ b/src/LexCaml.cxx
@@ -0,0 +1,389 @@
+// Scintilla source code edit control
+/** @file LexCaml.cxx
+ ** Lexer for Objective Caml.
+ **/
+// Copyright 2005 by Robert Roessler <robertr@rftp.com>
+// The License.txt file describes the conditions under which this software may be distributed.
+/* Release History
+ 20050204 Initial release.
+ 20050205 Quick compiler standards/"cleanliness" adjustment.
+ 20050206 Added cast for IsLeadByte().
+ 20050209 Changes to "external" build support.
+*/
+
+#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"
+
+// Since the Microsoft __iscsym[f] funcs are not ANSI...
+inline int iscaml(int c) {return isalnum(c) || c == '_';}
+inline int iscamlf(int c) {return isalpha(c) || c == '_';}
+
+#ifdef BUILD_AS_EXTERNAL_LEXER
+/*
+ (actually seems to work!)
+*/
+#include "WindowAccessor.h"
+#include "ExternalLexer.h"
+
+#if PLAT_WIN
+#include <windows.h>
+#endif
+
+static void ColouriseCamlDoc(
+ unsigned int startPos, int length,
+ int initStyle,
+ WordList *keywordlists[],
+ Accessor &styler);
+
+static void FoldCamlDoc(
+ unsigned int startPos, int length,
+ int initStyle,
+ WordList *keywordlists[],
+ Accessor &styler);
+
+static void InternalLexOrFold(int lexOrFold, unsigned int startPos, int length,
+ int initStyle, char *words[], WindowID window, char *props);
+
+static const char* LexerName = "caml";
+
+#ifdef TRACE
+void Platform::DebugPrintf(const char *format, ...) {
+ char buffer[2000];
+ va_list pArguments;
+ va_start(pArguments, format);
+ vsprintf(buffer,format,pArguments);
+ va_end(pArguments);
+ Platform::DebugDisplay(buffer);
+}
+#else
+void Platform::DebugPrintf(const char *, ...) {
+}
+#endif
+
+bool Platform::IsDBCSLeadByte(int codePage, char ch) {
+ return ::IsDBCSLeadByteEx(codePage, ch) != 0;
+}
+
+long Platform::SendScintilla(WindowID w, unsigned int msg, unsigned long wParam, long lParam) {
+ return ::SendMessage(reinterpret_cast<HWND>(w), msg, wParam, lParam);
+}
+
+long Platform::SendScintillaPointer(WindowID w, unsigned int msg, unsigned long wParam, void *lParam) {
+ return ::SendMessage(reinterpret_cast<HWND>(w), msg, wParam,
+ reinterpret_cast<LPARAM>(lParam));
+}
+
+void EXT_LEXER_DECL Fold(unsigned int lexer, unsigned int startPos, int length,
+ int initStyle, char *words[], WindowID window, char *props)
+{
+ // below useless evaluation(s) to supress "not used" warnings
+ lexer;
+ // build expected data structures and do the Fold
+ InternalLexOrFold(1, startPos, length, initStyle, words, window, props);
+
+}
+
+int EXT_LEXER_DECL GetLexerCount()
+{
+ return 1; // just us [Objective] Caml lexers here!
+}
+
+void EXT_LEXER_DECL GetLexerName(unsigned int Index, char *name, int buflength)
+{
+ // below useless evaluation(s) to supress "not used" warnings
+ Index;
+ // return as much of our lexer name as will fit (what's up with Index?)
+ if (buflength > 0) {
+ buflength--;
+ int n = strlen(LexerName);
+ if (n > buflength)
+ n = buflength;
+ memcpy(name, LexerName, n), name[n] = '\0';
+ }
+}
+
+void EXT_LEXER_DECL Lex(unsigned int lexer, unsigned int startPos, int length,
+ int initStyle, char *words[], WindowID window, char *props)
+{
+ // below useless evaluation(s) to supress "not used" warnings
+ lexer;
+ // build expected data structures and do the Lex
+ InternalLexOrFold(0, startPos, length, initStyle, words, window, props);
+}
+
+static void InternalLexOrFold(int foldOrLex, unsigned int startPos, int length,
+ int initStyle, char *words[], WindowID window, char *props)
+{
+ // create and initialize a WindowAccessor (including contained PropSet)
+ PropSet ps;
+ ps.SetMultiple(props);
+ WindowAccessor wa(window, ps);
+ // create and initialize WordList(s)
+ int nWL = 0;
+ for (; words[nWL]; nWL++) ; // count # of WordList PTRs needed
+ WordList** wl = new WordList* [nWL + 1];// alloc WordList PTRs
+ int i = 0;
+ for (; i < nWL; i++) {
+ wl[i] = new WordList(); // (works or THROWS bad_alloc EXCEPTION)
+ wl[i]->Set(words[i]);
+ }
+ wl[i] = 0;
+ // call our "internal" folder/lexer (... then do Flush!)
+ if (foldOrLex)
+ FoldCamlDoc(startPos, length, initStyle, wl, wa);
+ else
+ ColouriseCamlDoc(startPos, length, initStyle, wl, wa);
+ wa.Flush();
+ // clean up before leaving
+ for (i = nWL - 1; i >= 0; i--)
+ delete wl[i];
+ delete [] wl;
+}
+
+static
+#endif /* BUILD_AS_EXTERNAL_LEXER */
+
+void ColouriseCamlDoc(
+ unsigned int startPos, int length,
+ int initStyle,
+ WordList *keywordlists[],
+ Accessor &styler)
+{
+ // initialize styler
+ styler.StartAt(startPos);
+ styler.StartSegment(startPos);
+ // set up [initial] state info (terminating states that shouldn't "bleed")
+ int state = initStyle, nesting = 0;
+ if (state < SCE_CAML_STRING)
+ state = SCE_CAML_DEFAULT;
+ if (state >= SCE_CAML_COMMENT)
+ nesting = state - SCE_CAML_COMMENT;
+ int chLast = startPos? static_cast<unsigned char>(styler[startPos - 1]): ' ';
+ int chNext = static_cast<unsigned char>(styler[startPos]);
+
+ int chBase = 'd', chToken = 0, chLit = 0, chSkip;
+ WordList& keywords = *keywordlists[0];
+ WordList& keywords2 = *keywordlists[1];
+
+ // foreach char in range...
+ unsigned int i = startPos;
+ for (unsigned int endPos = startPos + length; i < endPos; i += chSkip) {
+ // set up [per-char] state info
+ int ch = chNext;
+ chNext = static_cast<unsigned char>(styler.SafeGetCharAt(i + 1));
+ int state2 = -1; // (ASSUME no state change)
+ int chColor = i - 1;// (ASSUME standard coloring range)
+ chSkip = 1; // (ASSUME scanner "eats" 1 char)
+
+ // this may be the correct thing to do... or not
+ if (styler.IsLeadByte(static_cast<char>(ch))) {
+ chNext = static_cast<unsigned char>(styler.SafeGetCharAt(i + 2)),
+ chSkip++;
+ continue;
+ }
+
+ // step state machine
+ switch (state) {
+ case SCE_CAML_DEFAULT:
+ // it's wide open; what do we have?
+ if (iscamlf(ch))
+ state2 = SCE_CAML_IDENTIFIER, chToken = i;
+ else if (ch == '`')
+ state2 = SCE_CAML_TAGNAME, chToken = i;
+ else if (ch == '#' && isdigit(chNext))
+ state2 = SCE_CAML_LINENUM, chToken = i;
+ else if (isdigit(ch)) {
+ state2 = SCE_CAML_NUMBER,
+ chBase = strchr("xXoObB", chNext)? chNext: 'd';
+ if (chBase != 'd')
+ ch = chNext,
+ chNext = static_cast<unsigned char>(styler.SafeGetCharAt(i + 2)),
+ chSkip++;
+ } else if (ch == '\'') /* (char literal?) */
+ state2 = SCE_CAML_CHAR, chToken = i, chLit = 0;
+ else if (ch == '\"')
+ state2 = SCE_CAML_STRING;
+ else if (ch == '(' && chNext == '*')
+ state2 = SCE_CAML_COMMENT,
+ ch = ' ', // (make SURE "(*)" isn't seen as a closed comment)
+ chNext = static_cast<unsigned char>(styler.SafeGetCharAt(i + 2)),
+ chSkip++, nesting = 0;
+ else if (strchr("!?~" /* Caml "prefix-symbol" */
+ "=<>@^|&+-*/$%" /* Caml "infix-symbol" */
+ "()[]{};,:.#", ch)) /* Caml "bracket" or ;,:.# */
+ state2 = SCE_CAML_OPERATOR, chToken = i;
+ break;
+
+ case SCE_CAML_IDENTIFIER:
+ // [try to] interpret as [additional] identifier char
+ if (!(iscaml(ch) || ch == '\'')) {
+ const int n = i - chToken;
+ if (n < 24) {
+ // length is believable as keyword, [re-]construct token
+ char t[24];
+ int p = 0;
+ for (int q = chToken; p < n; p++, q++)
+ t[p] = styler[q];
+ t[p] = '\0';
+ // special-case "_" token as KEYWORD
+ if ((n == 1 && chLast == '_') || keywords.InList(t))
+ state = SCE_CAML_KEYWORD;
+ else if (keywords2.InList(t))
+ state = SCE_CAML_KEYWORD2;
+ }
+ state2 = SCE_CAML_DEFAULT, chNext = ch, chSkip--;
+ }
+ break;
+
+ case SCE_CAML_TAGNAME:
+ // [try to] interpret as [additional] tagname char
+ if (!(iscaml(ch) || ch == '\''))
+ state2 = SCE_CAML_DEFAULT, chNext = ch, chSkip--;
+ break;
+
+ /*case SCE_CAML_KEYWORD:
+ case SCE_CAML_KEYWORD2:
+ // [try to] interpret as [additional] keyword char
+ if (!iscaml(ch))
+ state2 = SCE_CAML_DEFAULT, chNext = ch, chSkip--;
+ break;*/
+
+ case SCE_CAML_LINENUM:
+ // [try to] interpret as [additional] linenum directive char
+ if (!isdigit(ch))
+ state2 = SCE_CAML_DEFAULT, chNext = ch, chSkip--;
+ break;
+
+ case SCE_CAML_OPERATOR: {
+ // [try to] interpret as [additional] operator char
+ char* o = 0;
+ if (iscaml(ch) || isspace(ch) /* ident or whitespace */
+ || ((o = strchr(")]};,\'\"`#", ch)) != 0)/* "termination" chars */
+ || !strchr("!$%&*+-./:<=>?@^|~", ch)/* "operator" chars */) {
+ // check for INCLUSIVE termination
+ if (o && strchr(")]};,", ch)) {
+ if ((ch == ')' && chLast == '(') || (ch == ']' && chLast == '['))
+ // special-case "()" and "[]" tokens as KEYWORDS
+ state = SCE_CAML_KEYWORD;
+ chColor++;
+ } else
+ chNext = ch, chSkip--;
+ state2 = SCE_CAML_DEFAULT;
+ }
+ break;
+ }
+
+ case SCE_CAML_NUMBER:
+ // [try to] interpret as [additional] numeric literal char
+ // N.B. - improperly accepts "extra" digits in base 2 or 8 literals
+ if (isdigit(ch) || ch == '_'
+ || ((chBase == 'x' || chBase == 'X') && isxdigit(ch)))
+ break;
+ // how about an integer suffix?
+ if ((ch == 'l' || ch == 'L' || ch == 'n')
+ && (isdigit(chLast) || chLast == '_'))
+ break;
+ // or a floating-point literal?
+ if (ch == '.' && (isdigit(chLast) || chLast == '_'))
+ break;
+ // with an exponent? (I)
+ if ((ch == 'e' || ch == 'E')
+ && (isdigit(chLast) || chLast == '_' || chLast == '.'))
+ break;
+ // with an exponent? (II)
+ if ((ch == '+' || ch == '-') && (chLast == 'e' || chLast == 'E'))
+ break;
+ // it looks like we have run out of number
+ state2 = SCE_CAML_DEFAULT, chNext = ch, chSkip--;
+ break;
+
+ case SCE_CAML_CHAR:
+ // [try to] interpret as [additional] char literal char
+ if (ch == '\\') {
+ chLit = 1; // (definitely IS a char literal)
+ if (chLast == '\\')
+ ch = ' '; // (so termination test isn't fooled)
+ // should we be terminating - one way or another?
+ } else if ((ch == '\'' && chLast != '\\') || ch == '\r' || ch == '\n') {
+ state2 = SCE_CAML_DEFAULT;
+ if (ch == '\'')
+ chColor++;
+ else
+ state = SCE_CAML_IDENTIFIER;
+ // ... maybe a char literal, maybe not
+ } else if (chLit < 1 && i - chToken >= 2)
+ state = SCE_CAML_IDENTIFIER, chNext = ch, chSkip--;
+ break;
+
+ case SCE_CAML_STRING:
+ // [try to] interpret as [additional] string literal char
+ if (ch == '\\' && chLast == '\\')
+ ch = ' '; // (so '\\' doesn't cause us trouble)
+ else if (ch == '\"' && chLast != '\\')
+ state2 = SCE_CAML_DEFAULT, chColor++;
+ break;
+
+ case SCE_CAML_COMMENT:
+ case SCE_CAML_COMMENT+1:
+ case SCE_CAML_COMMENT+2:
+ case SCE_CAML_COMMENT+3:
+ // we're IN a comment - does this start a NESTED comment?
+ if (ch == '(' && chNext == '*')
+ state2 = state + 1,
+ ch = ' ', // (make SURE "(*)" isn't seen as a closed comment)
+ chNext = static_cast<unsigned char>(styler.SafeGetCharAt(i + 2)),
+ chSkip++, nesting++;
+ // [try to] interpret as [additional] comment char
+ else if (ch == ')' && chLast == '*')
+ state2 = nesting? (state - 1): SCE_CAML_DEFAULT, chColor++, nesting--;
+ break;
+ }
+
+ // handle state change and char coloring as required
+ if (state2 >= 0) {
+ if (chColor > 0)
+ styler.ColourTo(chColor, state);
+ state = state2;
+ }
+ chLast = ch;
+ }
+
+ // do terminal char coloring (JIC)
+ styler.ColourTo(i, state);
+// styler.Flush(); // (is this always called by calling code?)
+}
+
+#ifdef BUILD_AS_EXTERNAL_LEXER
+static
+#endif /* BUILD_AS_EXTERNAL_LEXER */
+void FoldCamlDoc(
+ unsigned int startPos, int length,
+ int initStyle,
+ WordList *keywordlists[],
+ Accessor &styler)
+{
+ // below useless evaluation(s) to supress "not used" warnings
+ startPos || length || initStyle || keywordlists[0] || styler.Length();
+}
+
+static const char * const camlWordListDesc[] = {
+ "Keywords", // primary Objective Caml keywords
+ "Keywords2", // "optional" keywords (typically from Pervasives)
+ 0
+};
+
+#ifndef BUILD_AS_EXTERNAL_LEXER
+LexerModule lmCaml(SCLEX_CAML, ColouriseCamlDoc, "caml", FoldCamlDoc, camlWordListDesc);
+#endif /* BUILD_AS_EXTERNAL_LEXER */
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-29 23:49:19 +0000