You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
356 lines
12 KiB
356 lines
12 KiB
// Scintilla source code edit control
|
|
/** @file LexFlagship.cxx
|
|
** Lexer for Harbour and FlagShip.
|
|
** (Syntactically compatible to other xBase dialects, like Clipper, dBase, Clip, FoxPro etc.)
|
|
**/
|
|
// Copyright 2005 by Randy Butler
|
|
// Copyright 2010 by Xavi <jarabal/at/gmail.com> (Harbour)
|
|
// 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 <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
|
|
#include <string>
|
|
#include <string_view>
|
|
|
|
#include "ILexer.h"
|
|
#include "Scintilla.h"
|
|
#include "SciLexer.h"
|
|
|
|
#include "WordList.h"
|
|
#include "LexAccessor.h"
|
|
#include "Accessor.h"
|
|
#include "StyleContext.h"
|
|
#include "CharacterSet.h"
|
|
#include "LexerModule.h"
|
|
|
|
using namespace Lexilla;
|
|
|
|
// Extended to accept accented characters
|
|
static inline bool IsAWordChar(int ch)
|
|
{
|
|
return ch >= 0x80 ||
|
|
(isalnum(ch) || ch == '_');
|
|
}
|
|
|
|
static void ColouriseFlagShipDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
|
|
WordList *keywordlists[], Accessor &styler)
|
|
{
|
|
|
|
WordList &keywords = *keywordlists[0];
|
|
WordList &keywords2 = *keywordlists[1];
|
|
WordList &keywords3 = *keywordlists[2];
|
|
WordList &keywords4 = *keywordlists[3];
|
|
WordList &keywords5 = *keywordlists[4];
|
|
|
|
// property lexer.flagship.styling.within.preprocessor
|
|
// For Harbour code, determines whether all preprocessor code is styled in the preprocessor style (0) or only from the
|
|
// initial # to the end of the command word(1, the default). It also determines how to present text, dump, and disabled code.
|
|
bool stylingWithinPreprocessor = styler.GetPropertyInt("lexer.flagship.styling.within.preprocessor", 1) != 0;
|
|
|
|
CharacterSet setDoxygen(CharacterSet::setAlpha, "$@\\&<>#{}[]");
|
|
|
|
int visibleChars = 0;
|
|
int closeStringChar = 0;
|
|
int styleBeforeDCKeyword = SCE_FS_DEFAULT;
|
|
bool bEnableCode = initStyle < SCE_FS_DISABLEDCODE;
|
|
|
|
StyleContext sc(startPos, length, initStyle, styler);
|
|
|
|
for (; sc.More(); sc.Forward()) {
|
|
|
|
// Determine if the current state should terminate.
|
|
switch (sc.state) {
|
|
case SCE_FS_OPERATOR:
|
|
case SCE_FS_OPERATOR_C:
|
|
case SCE_FS_WORDOPERATOR:
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
break;
|
|
case SCE_FS_IDENTIFIER:
|
|
case SCE_FS_IDENTIFIER_C:
|
|
if (!IsAWordChar(sc.ch)) {
|
|
char s[64];
|
|
sc.GetCurrentLowered(s, sizeof(s));
|
|
if (keywords.InList(s)) {
|
|
sc.ChangeState(bEnableCode ? SCE_FS_KEYWORD : SCE_FS_KEYWORD_C);
|
|
} else if (keywords2.InList(s)) {
|
|
sc.ChangeState(bEnableCode ? SCE_FS_KEYWORD2 : SCE_FS_KEYWORD2_C);
|
|
} else if (bEnableCode && keywords3.InList(s)) {
|
|
sc.ChangeState(SCE_FS_KEYWORD3);
|
|
} else if (bEnableCode && keywords4.InList(s)) {
|
|
sc.ChangeState(SCE_FS_KEYWORD4);
|
|
}// Else, it is really an identifier...
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
}
|
|
break;
|
|
case SCE_FS_NUMBER:
|
|
if (!IsAWordChar(sc.ch) && !(sc.ch == '.' && IsADigit(sc.chNext))) {
|
|
sc.SetState(SCE_FS_DEFAULT);
|
|
}
|
|
break;
|
|
case SCE_FS_NUMBER_C:
|
|
if (!IsAWordChar(sc.ch) && sc.ch != '.') {
|
|
sc.SetState(SCE_FS_DEFAULT_C);
|
|
}
|
|
break;
|
|
case SCE_FS_CONSTANT:
|
|
if (!IsAWordChar(sc.ch)) {
|
|
sc.SetState(SCE_FS_DEFAULT);
|
|
}
|
|
break;
|
|
case SCE_FS_STRING:
|
|
case SCE_FS_STRING_C:
|
|
if (sc.ch == closeStringChar) {
|
|
sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
} else if (sc.atLineEnd) {
|
|
sc.ChangeState(bEnableCode ? SCE_FS_STRINGEOL : SCE_FS_STRINGEOL_C);
|
|
}
|
|
break;
|
|
case SCE_FS_STRINGEOL:
|
|
case SCE_FS_STRINGEOL_C:
|
|
if (sc.atLineStart) {
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
}
|
|
break;
|
|
case SCE_FS_COMMENTDOC:
|
|
case SCE_FS_COMMENTDOC_C:
|
|
if (sc.Match('*', '/')) {
|
|
sc.Forward();
|
|
sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
} else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
|
|
// Verify that we have the conditions to mark a comment-doc-keyword
|
|
if ((IsASpace(sc.chPrev) || sc.chPrev == '*') && (!IsASpace(sc.chNext))) {
|
|
styleBeforeDCKeyword = bEnableCode ? SCE_FS_COMMENTDOC : SCE_FS_COMMENTDOC_C;
|
|
sc.SetState(SCE_FS_COMMENTDOCKEYWORD);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_FS_COMMENT:
|
|
case SCE_FS_COMMENTLINE:
|
|
if (sc.atLineStart) {
|
|
sc.SetState(SCE_FS_DEFAULT);
|
|
}
|
|
break;
|
|
case SCE_FS_COMMENTLINEDOC:
|
|
case SCE_FS_COMMENTLINEDOC_C:
|
|
if (sc.atLineStart) {
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
} else if (sc.ch == '@' || sc.ch == '\\') { // JavaDoc and Doxygen support
|
|
// Verify that we have the conditions to mark a comment-doc-keyword
|
|
if ((IsASpace(sc.chPrev) || sc.chPrev == '/' || sc.chPrev == '!') && (!IsASpace(sc.chNext))) {
|
|
styleBeforeDCKeyword = bEnableCode ? SCE_FS_COMMENTLINEDOC : SCE_FS_COMMENTLINEDOC_C;
|
|
sc.SetState(SCE_FS_COMMENTDOCKEYWORD);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_FS_COMMENTDOCKEYWORD:
|
|
if ((styleBeforeDCKeyword == SCE_FS_COMMENTDOC || styleBeforeDCKeyword == SCE_FS_COMMENTDOC_C) &&
|
|
sc.Match('*', '/')) {
|
|
sc.ChangeState(SCE_FS_COMMENTDOCKEYWORDERROR);
|
|
sc.Forward();
|
|
sc.ForwardSetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
} else if (!setDoxygen.Contains(sc.ch)) {
|
|
char s[64];
|
|
sc.GetCurrentLowered(s, sizeof(s));
|
|
if (!IsASpace(sc.ch) || !keywords5.InList(s + 1)) {
|
|
sc.ChangeState(SCE_FS_COMMENTDOCKEYWORDERROR);
|
|
}
|
|
sc.SetState(styleBeforeDCKeyword);
|
|
}
|
|
break;
|
|
case SCE_FS_PREPROCESSOR:
|
|
case SCE_FS_PREPROCESSOR_C:
|
|
if (sc.atLineEnd) {
|
|
if (!(sc.chPrev == ';' || sc.GetRelative(-2) == ';')) {
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
}
|
|
} else if (stylingWithinPreprocessor) {
|
|
if (IsASpaceOrTab(sc.ch)) {
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
}
|
|
} else if (sc.Match('/', '*') || sc.Match('/', '/') || sc.Match('&', '&')) {
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
}
|
|
break;
|
|
case SCE_FS_DISABLEDCODE:
|
|
if (sc.ch == '#' && visibleChars == 0) {
|
|
sc.SetState(bEnableCode ? SCE_FS_PREPROCESSOR : SCE_FS_PREPROCESSOR_C);
|
|
do { // Skip whitespace between # and preprocessor word
|
|
sc.Forward();
|
|
} while (IsASpaceOrTab(sc.ch) && sc.More());
|
|
if (sc.MatchIgnoreCase("pragma")) {
|
|
sc.Forward(6);
|
|
do { // Skip more whitespace until keyword
|
|
sc.Forward();
|
|
} while (IsASpaceOrTab(sc.ch) && sc.More());
|
|
if (sc.MatchIgnoreCase("enddump") || sc.MatchIgnoreCase("__endtext")) {
|
|
bEnableCode = true;
|
|
sc.SetState(SCE_FS_DISABLEDCODE);
|
|
sc.Forward(sc.ch == '_' ? 8 : 6);
|
|
sc.ForwardSetState(SCE_FS_DEFAULT);
|
|
} else {
|
|
sc.ChangeState(SCE_FS_DISABLEDCODE);
|
|
}
|
|
} else {
|
|
sc.ChangeState(SCE_FS_DISABLEDCODE);
|
|
}
|
|
}
|
|
break;
|
|
case SCE_FS_DATE:
|
|
if (sc.ch == '}') {
|
|
sc.ForwardSetState(SCE_FS_DEFAULT);
|
|
} else if (sc.atLineEnd) {
|
|
sc.ChangeState(SCE_FS_STRINGEOL);
|
|
}
|
|
}
|
|
|
|
// Determine if a new state should be entered.
|
|
if (sc.state == SCE_FS_DEFAULT || sc.state == SCE_FS_DEFAULT_C) {
|
|
if (bEnableCode &&
|
|
(sc.MatchIgnoreCase(".and.") || sc.MatchIgnoreCase(".not."))) {
|
|
sc.SetState(SCE_FS_WORDOPERATOR);
|
|
sc.Forward(4);
|
|
} else if (bEnableCode && sc.MatchIgnoreCase(".or.")) {
|
|
sc.SetState(SCE_FS_WORDOPERATOR);
|
|
sc.Forward(3);
|
|
} else if (bEnableCode &&
|
|
(sc.MatchIgnoreCase(".t.") || sc.MatchIgnoreCase(".f.") ||
|
|
(!IsAWordChar(sc.GetRelative(3)) && sc.MatchIgnoreCase("nil")))) {
|
|
sc.SetState(SCE_FS_CONSTANT);
|
|
sc.Forward(2);
|
|
} else if (sc.Match('/', '*')) {
|
|
sc.SetState(bEnableCode ? SCE_FS_COMMENTDOC : SCE_FS_COMMENTDOC_C);
|
|
sc.Forward();
|
|
} else if (bEnableCode && sc.Match('&', '&')) {
|
|
sc.SetState(SCE_FS_COMMENTLINE);
|
|
sc.Forward();
|
|
} else if (sc.Match('/', '/')) {
|
|
sc.SetState(bEnableCode ? SCE_FS_COMMENTLINEDOC : SCE_FS_COMMENTLINEDOC_C);
|
|
sc.Forward();
|
|
} else if (bEnableCode && sc.ch == '*' && visibleChars == 0) {
|
|
sc.SetState(SCE_FS_COMMENT);
|
|
} else if (sc.ch == '\"' || sc.ch == '\'') {
|
|
sc.SetState(bEnableCode ? SCE_FS_STRING : SCE_FS_STRING_C);
|
|
closeStringChar = sc.ch;
|
|
} else if (closeStringChar == '>' && sc.ch == '<') {
|
|
sc.SetState(bEnableCode ? SCE_FS_STRING : SCE_FS_STRING_C);
|
|
} else if (sc.ch == '#' && visibleChars == 0) {
|
|
sc.SetState(bEnableCode ? SCE_FS_PREPROCESSOR : SCE_FS_PREPROCESSOR_C);
|
|
do { // Skip whitespace between # and preprocessor word
|
|
sc.Forward();
|
|
} while (IsASpaceOrTab(sc.ch) && sc.More());
|
|
if (sc.atLineEnd) {
|
|
sc.SetState(bEnableCode ? SCE_FS_DEFAULT : SCE_FS_DEFAULT_C);
|
|
} else if (sc.MatchIgnoreCase("include")) {
|
|
if (stylingWithinPreprocessor) {
|
|
closeStringChar = '>';
|
|
}
|
|
} else if (sc.MatchIgnoreCase("pragma")) {
|
|
sc.Forward(6);
|
|
do { // Skip more whitespace until keyword
|
|
sc.Forward();
|
|
} while (IsASpaceOrTab(sc.ch) && sc.More());
|
|
if (sc.MatchIgnoreCase("begindump") || sc.MatchIgnoreCase("__cstream")) {
|
|
bEnableCode = false;
|
|
if (stylingWithinPreprocessor) {
|
|
sc.SetState(SCE_FS_DISABLEDCODE);
|
|
sc.Forward(8);
|
|
sc.ForwardSetState(SCE_FS_DEFAULT_C);
|
|
} else {
|
|
sc.SetState(SCE_FS_DISABLEDCODE);
|
|
}
|
|
} else if (sc.MatchIgnoreCase("enddump") || sc.MatchIgnoreCase("__endtext")) {
|
|
bEnableCode = true;
|
|
sc.SetState(SCE_FS_DISABLEDCODE);
|
|
sc.Forward(sc.ch == '_' ? 8 : 6);
|
|
sc.ForwardSetState(SCE_FS_DEFAULT);
|
|
}
|
|
}
|
|
} else if (bEnableCode && sc.ch == '{') {
|
|
Sci_Position p = 0;
|
|
int chSeek;
|
|
Sci_PositionU endPos(startPos + length);
|
|
do { // Skip whitespace
|
|
chSeek = sc.GetRelative(++p);
|
|
} while (IsASpaceOrTab(chSeek) && (sc.currentPos + p < endPos));
|
|
if (chSeek == '^') {
|
|
sc.SetState(SCE_FS_DATE);
|
|
} else {
|
|
sc.SetState(SCE_FS_OPERATOR);
|
|
}
|
|
} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
|
|
sc.SetState(bEnableCode ? SCE_FS_NUMBER : SCE_FS_NUMBER_C);
|
|
} else if (IsAWordChar(sc.ch)) {
|
|
sc.SetState(bEnableCode ? SCE_FS_IDENTIFIER : SCE_FS_IDENTIFIER_C);
|
|
} else if (isoperator(static_cast<char>(sc.ch)) || (bEnableCode && sc.ch == '@')) {
|
|
sc.SetState(bEnableCode ? SCE_FS_OPERATOR : SCE_FS_OPERATOR_C);
|
|
}
|
|
}
|
|
|
|
if (sc.atLineEnd) {
|
|
visibleChars = 0;
|
|
closeStringChar = 0;
|
|
}
|
|
if (!IsASpace(sc.ch)) {
|
|
visibleChars++;
|
|
}
|
|
}
|
|
sc.Complete();
|
|
}
|
|
|
|
static void FoldFlagShipDoc(Sci_PositionU startPos, Sci_Position length, int,
|
|
WordList *[], Accessor &styler)
|
|
{
|
|
|
|
Sci_Position endPos = startPos + length;
|
|
|
|
// Backtrack to previous line in case need to fix its fold status
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
|
if (startPos > 0 && lineCurrent > 0) {
|
|
lineCurrent--;
|
|
startPos = styler.LineStart(lineCurrent);
|
|
}
|
|
int spaceFlags = 0;
|
|
int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags);
|
|
char chNext = styler[startPos];
|
|
for (Sci_Position i = startPos; i < endPos; i++) {
|
|
char ch = chNext;
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
|
|
|
if ((ch == '\r' && chNext != '\n') || (ch == '\n') || (i == endPos-1)) {
|
|
int lev = indentCurrent;
|
|
int indentNext = styler.IndentAmount(lineCurrent + 1, &spaceFlags);
|
|
if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
|
|
if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK)) {
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
} else if (indentNext & SC_FOLDLEVELWHITEFLAG) {
|
|
int spaceFlags2 = 0;
|
|
int indentNext2 = styler.IndentAmount(lineCurrent + 2, &spaceFlags2);
|
|
if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext2 & SC_FOLDLEVELNUMBERMASK)) {
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
}
|
|
}
|
|
}
|
|
indentCurrent = indentNext;
|
|
styler.SetLevel(lineCurrent, lev);
|
|
lineCurrent++;
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char * const FSWordListDesc[] = {
|
|
"Keywords Commands",
|
|
"Std Library Functions",
|
|
"Procedure, return, exit",
|
|
"Class (oop)",
|
|
"Doxygen keywords",
|
|
0
|
|
};
|
|
|
|
extern const LexerModule lmFlagShip(SCLEX_FLAGSHIP, ColouriseFlagShipDoc, "flagship", FoldFlagShipDoc, FSWordListDesc);
|