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725 lines
24 KiB
725 lines
24 KiB
3 years ago
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// Scintilla source code edit control
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/** @file LexFortran.cxx
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** Lexer for Fortran.
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** Written by Chuan-jian Shen, Last changed Sep. 2003
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**/
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// Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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/***************************************/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <ctype.h>
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#include <string>
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#include <string_view>
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/***************************************/
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#include "ILexer.h"
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#include "Scintilla.h"
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#include "SciLexer.h"
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#include "WordList.h"
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#include "LexAccessor.h"
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#include "Accessor.h"
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#include "StyleContext.h"
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#include "CharacterSet.h"
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#include "LexerModule.h"
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/***************************************/
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using namespace Lexilla;
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/***********************************************/
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static inline bool IsAWordChar(const int ch) {
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return (ch < 0x80) && (isalnum(ch) || ch == '_' || ch == '%');
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}
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/**********************************************/
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static inline bool IsAWordStart(const int ch) {
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return (ch < 0x80) && (isalnum(ch));
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}
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/***************************************/
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static inline bool IsABlank(unsigned int ch) {
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return (ch == ' ') || (ch == 0x09) || (ch == 0x0b) ;
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}
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/***************************************/
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static inline bool IsALineEnd(char ch) {
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return ((ch == '\n') || (ch == '\r')) ;
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}
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/***************************************/
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static Sci_PositionU GetContinuedPos(Sci_PositionU pos, Accessor &styler) {
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while (!IsALineEnd(styler.SafeGetCharAt(pos++))) continue;
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if (styler.SafeGetCharAt(pos) == '\n') pos++;
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while (IsABlank(styler.SafeGetCharAt(pos++))) continue;
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char chCur = styler.SafeGetCharAt(pos);
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if (chCur == '&') {
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while (IsABlank(styler.SafeGetCharAt(++pos))) continue;
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return pos;
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} else {
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return pos;
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}
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}
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/***************************************/
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static void ColouriseFortranDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
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WordList *keywordlists[], Accessor &styler, bool isFixFormat) {
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WordList &keywords = *keywordlists[0];
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WordList &keywords2 = *keywordlists[1];
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WordList &keywords3 = *keywordlists[2];
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/***************************************/
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Sci_Position posLineStart = 0;
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int numNonBlank = 0, prevState = 0;
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Sci_Position endPos = startPos + length;
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/***************************************/
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// backtrack to the nearest keyword
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while ((startPos > 1) && (styler.StyleAt(startPos) != SCE_F_WORD)) {
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startPos--;
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}
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startPos = styler.LineStart(styler.GetLine(startPos));
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initStyle = styler.StyleAt(startPos - 1);
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StyleContext sc(startPos, endPos-startPos, initStyle, styler);
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/***************************************/
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for (; sc.More(); sc.Forward()) {
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// remember the start position of the line
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if (sc.atLineStart) {
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posLineStart = sc.currentPos;
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numNonBlank = 0;
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sc.SetState(SCE_F_DEFAULT);
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}
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if (!IsASpaceOrTab(sc.ch)) numNonBlank ++;
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/***********************************************/
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// Handle the fix format generically
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Sci_Position toLineStart = sc.currentPos - posLineStart;
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if (isFixFormat && (toLineStart < 6 || toLineStart >= 72)) {
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if ((toLineStart == 0 && (tolower(sc.ch) == 'c' || sc.ch == '*')) || sc.ch == '!') {
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if (sc.MatchIgnoreCase("cdec$") || sc.MatchIgnoreCase("*dec$") || sc.MatchIgnoreCase("!dec$") ||
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sc.MatchIgnoreCase("cdir$") || sc.MatchIgnoreCase("*dir$") || sc.MatchIgnoreCase("!dir$") ||
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sc.MatchIgnoreCase("cms$") || sc.MatchIgnoreCase("*ms$") || sc.MatchIgnoreCase("!ms$") ||
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sc.chNext == '$') {
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sc.SetState(SCE_F_PREPROCESSOR);
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} else {
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sc.SetState(SCE_F_COMMENT);
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}
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while (!sc.atLineEnd && sc.More()) sc.Forward(); // Until line end
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} else if (toLineStart >= 72) {
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sc.SetState(SCE_F_COMMENT);
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while (!sc.atLineEnd && sc.More()) sc.Forward(); // Until line end
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} else if (toLineStart < 5) {
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if (IsADigit(sc.ch))
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sc.SetState(SCE_F_LABEL);
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else
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sc.SetState(SCE_F_DEFAULT);
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} else if (toLineStart == 5) {
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//if (!IsASpace(sc.ch) && sc.ch != '0') {
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if (sc.ch != '\r' && sc.ch != '\n') {
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sc.SetState(SCE_F_CONTINUATION);
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if (!IsASpace(sc.ch) && sc.ch != '0')
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sc.ForwardSetState(prevState);
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} else
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sc.SetState(SCE_F_DEFAULT);
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}
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continue;
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}
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/***************************************/
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// Handle line continuation generically.
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if (!isFixFormat && sc.ch == '&' && sc.state != SCE_F_COMMENT) {
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char chTemp = ' ';
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Sci_Position j = 1;
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while (IsABlank(chTemp) && j<132) {
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chTemp = static_cast<char>(sc.GetRelative(j));
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j++;
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}
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if (chTemp == '!') {
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sc.SetState(SCE_F_CONTINUATION);
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if (sc.chNext == '!') sc.ForwardSetState(SCE_F_COMMENT);
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} else if (chTemp == '\r' || chTemp == '\n') {
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int currentState = sc.state;
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sc.SetState(SCE_F_CONTINUATION);
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sc.ForwardSetState(SCE_F_DEFAULT);
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while (IsASpace(sc.ch) && sc.More()) {
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sc.Forward();
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if (sc.atLineStart) numNonBlank = 0;
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if (!IsASpaceOrTab(sc.ch)) numNonBlank ++;
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}
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if (sc.ch == '&') {
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sc.SetState(SCE_F_CONTINUATION);
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sc.Forward();
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}
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sc.SetState(currentState);
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}
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}
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/***************************************/
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// Hanndle preprocessor directives
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if (sc.ch == '#' && numNonBlank == 1)
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{
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sc.SetState(SCE_F_PREPROCESSOR);
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while (!sc.atLineEnd && sc.More())
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sc.Forward(); // Until line end
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}
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/***************************************/
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// Determine if the current state should terminate.
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if (sc.state == SCE_F_OPERATOR) {
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sc.SetState(SCE_F_DEFAULT);
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} else if (sc.state == SCE_F_NUMBER) {
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if (!(IsAWordChar(sc.ch) || sc.ch=='\'' || sc.ch=='\"' || sc.ch=='.')) {
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sc.SetState(SCE_F_DEFAULT);
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}
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} else if (sc.state == SCE_F_IDENTIFIER) {
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if (!IsAWordChar(sc.ch) || (sc.ch == '%')) {
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char s[100];
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sc.GetCurrentLowered(s, sizeof(s));
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if (keywords.InList(s)) {
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sc.ChangeState(SCE_F_WORD);
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} else if (keywords2.InList(s)) {
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sc.ChangeState(SCE_F_WORD2);
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} else if (keywords3.InList(s)) {
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sc.ChangeState(SCE_F_WORD3);
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}
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sc.SetState(SCE_F_DEFAULT);
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}
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} else if (sc.state == SCE_F_COMMENT || sc.state == SCE_F_PREPROCESSOR) {
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if (sc.ch == '\r' || sc.ch == '\n') {
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sc.SetState(SCE_F_DEFAULT);
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}
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} else if (sc.state == SCE_F_STRING1) {
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prevState = sc.state;
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if (sc.ch == '\'') {
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if (sc.chNext == '\'') {
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sc.Forward();
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} else {
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sc.ForwardSetState(SCE_F_DEFAULT);
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prevState = SCE_F_DEFAULT;
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}
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} else if (sc.atLineEnd) {
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sc.ChangeState(SCE_F_STRINGEOL);
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sc.ForwardSetState(SCE_F_DEFAULT);
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}
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} else if (sc.state == SCE_F_STRING2) {
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prevState = sc.state;
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if (sc.atLineEnd) {
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sc.ChangeState(SCE_F_STRINGEOL);
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sc.ForwardSetState(SCE_F_DEFAULT);
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} else if (sc.ch == '\"') {
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if (sc.chNext == '\"') {
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sc.Forward();
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} else {
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sc.ForwardSetState(SCE_F_DEFAULT);
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prevState = SCE_F_DEFAULT;
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}
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}
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} else if (sc.state == SCE_F_OPERATOR2) {
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if (sc.ch == '.') {
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sc.ForwardSetState(SCE_F_DEFAULT);
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}
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} else if (sc.state == SCE_F_CONTINUATION) {
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sc.SetState(SCE_F_DEFAULT);
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} else if (sc.state == SCE_F_LABEL) {
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if (!IsADigit(sc.ch)) {
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sc.SetState(SCE_F_DEFAULT);
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} else {
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if (isFixFormat && sc.currentPos-posLineStart > 4)
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sc.SetState(SCE_F_DEFAULT);
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else if (numNonBlank > 5)
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sc.SetState(SCE_F_DEFAULT);
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}
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}
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/***************************************/
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// Determine if a new state should be entered.
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if (sc.state == SCE_F_DEFAULT) {
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if (sc.ch == '!') {
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if (sc.MatchIgnoreCase("!dec$") || sc.MatchIgnoreCase("!dir$") ||
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sc.MatchIgnoreCase("!ms$") || sc.chNext == '$') {
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sc.SetState(SCE_F_PREPROCESSOR);
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} else {
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sc.SetState(SCE_F_COMMENT);
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}
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} else if ((!isFixFormat) && IsADigit(sc.ch) && numNonBlank == 1) {
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sc.SetState(SCE_F_LABEL);
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} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
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sc.SetState(SCE_F_NUMBER);
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} else if ((tolower(sc.ch) == 'b' || tolower(sc.ch) == 'o' ||
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tolower(sc.ch) == 'z') && (sc.chNext == '\"' || sc.chNext == '\'')) {
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sc.SetState(SCE_F_NUMBER);
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sc.Forward();
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} else if (sc.ch == '.' && isalpha(sc.chNext)) {
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sc.SetState(SCE_F_OPERATOR2);
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} else if (IsAWordStart(sc.ch)) {
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sc.SetState(SCE_F_IDENTIFIER);
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} else if (sc.ch == '\"') {
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sc.SetState(SCE_F_STRING2);
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} else if (sc.ch == '\'') {
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sc.SetState(SCE_F_STRING1);
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} else if (isoperator(static_cast<char>(sc.ch))) {
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sc.SetState(SCE_F_OPERATOR);
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}
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}
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}
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sc.Complete();
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}
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/***************************************/
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static void CheckLevelCommentLine(const unsigned int nComL,
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Sci_Position nComColB[], Sci_Position nComColF[], Sci_Position &nComCur,
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bool comLineB[], bool comLineF[], bool &comLineCur,
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int &levelDeltaNext) {
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levelDeltaNext = 0;
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if (!comLineCur) {
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return;
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}
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if (!comLineF[0] || nComColF[0] != nComCur) {
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unsigned int i=0;
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for (; i<nComL; i++) {
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if (!comLineB[i] || nComColB[i] != nComCur) {
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break;
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}
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}
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if (i == nComL) {
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levelDeltaNext = -1;
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}
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}
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else if (!comLineB[0] || nComColB[0] != nComCur) {
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unsigned int i=0;
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for (; i<nComL; i++) {
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if (!comLineF[i] || nComColF[i] != nComCur) {
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break;
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}
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}
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if (i == nComL) {
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levelDeltaNext = 1;
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}
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}
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}
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/***************************************/
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static void GetIfLineComment(Accessor &styler, bool isFixFormat, const Sci_Position line, bool &isComLine, Sci_Position &comCol) {
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Sci_Position col = 0;
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isComLine = false;
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Sci_Position pos = styler.LineStart(line);
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Sci_Position len = styler.Length();
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while(pos<len) {
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char ch = styler.SafeGetCharAt(pos);
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if (ch == '!' || (isFixFormat && col == 0 && (tolower(ch) == 'c' || ch == '*'))) {
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isComLine = true;
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comCol = col;
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break;
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}
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else if (!IsABlank(ch) || IsALineEnd(ch)) {
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break;
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}
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pos++;
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col++;
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}
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}
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/***************************************/
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static void StepCommentLine(Accessor &styler, bool isFixFormat, Sci_Position lineCurrent, const unsigned int nComL,
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Sci_Position nComColB[], Sci_Position nComColF[], Sci_Position &nComCur,
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bool comLineB[], bool comLineF[], bool &comLineCur) {
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Sci_Position nLineTotal = styler.GetLine(styler.Length()-1) + 1;
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if (lineCurrent >= nLineTotal) {
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return;
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}
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for (int i=nComL-2; i>=0; i--) {
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nComColB[i+1] = nComColB[i];
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comLineB[i+1] = comLineB[i];
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}
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nComColB[0] = nComCur;
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comLineB[0] = comLineCur;
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nComCur = nComColF[0];
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comLineCur = comLineF[0];
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for (unsigned int i=0; i+1<nComL; i++) {
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nComColF[i] = nComColF[i+1];
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comLineF[i] = comLineF[i+1];
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}
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Sci_Position chL = lineCurrent + nComL;
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if (chL < nLineTotal) {
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|
|
GetIfLineComment(styler, isFixFormat, chL, comLineF[nComL-1], nComColF[nComL-1]);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
comLineF[nComL-1] = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
static void CheckBackComLines(Accessor &styler, bool isFixFormat, Sci_Position lineCurrent, const unsigned int nComL,
|
||
|
|
Sci_Position nComColB[], Sci_Position nComColF[], Sci_Position nComCur,
|
||
|
|
bool comLineB[], bool comLineF[], bool &comLineCur) {
|
||
|
|
unsigned int nLines = nComL + nComL + 1;
|
||
|
|
bool* comL = new bool[nLines];
|
||
|
|
Sci_Position* nComCol = new Sci_Position[nLines];
|
||
|
|
bool comL0;
|
||
|
|
Sci_Position nComCol0;
|
||
|
|
GetIfLineComment(styler, isFixFormat, lineCurrent-nComL-1, comL0, nComCol0);
|
||
|
|
for (unsigned int i=0; i<nComL; i++) {
|
||
|
|
unsigned copyTo = nComL - i - 1;
|
||
|
|
comL[copyTo] = comLineB[i];
|
||
|
|
nComCol[copyTo] = nComColB[i];
|
||
|
|
}
|
||
|
|
assert(nComL < nLines);
|
||
|
|
comL[nComL] = comLineCur;
|
||
|
|
nComCol[nComL] = nComCur;
|
||
|
|
for (unsigned int i=0; i<nComL; i++) {
|
||
|
|
unsigned copyTo = i + nComL + 1;
|
||
|
|
comL[copyTo] = comLineF[i];
|
||
|
|
nComCol[copyTo] = nComColF[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
Sci_Position lineC = lineCurrent - nComL + 1;
|
||
|
|
Sci_PositionU iStart;
|
||
|
|
if (lineC <= 0) {
|
||
|
|
lineC = 0;
|
||
|
|
iStart = nComL - lineCurrent;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
iStart = 1;
|
||
|
|
}
|
||
|
|
bool levChanged = false;
|
||
|
|
int lev = styler.LevelAt(lineC) & SC_FOLDLEVELNUMBERMASK;
|
||
|
|
|
||
|
|
for (Sci_PositionU i=iStart; i<=nComL; i++) {
|
||
|
|
if (comL[i] && (!comL[i-1] || nComCol[i] != nComCol[i-1])) {
|
||
|
|
bool increase = true;
|
||
|
|
Sci_PositionU until = i + nComL;
|
||
|
|
for (Sci_PositionU j=i+1; j<=until; j++) {
|
||
|
|
if (!comL[j] || nComCol[j] != nComCol[i]) {
|
||
|
|
increase = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
lev = styler.LevelAt(lineC) & SC_FOLDLEVELNUMBERMASK;
|
||
|
|
if (increase) {
|
||
|
|
int levH = lev | SC_FOLDLEVELHEADERFLAG;
|
||
|
|
lev += 1;
|
||
|
|
if (levH != styler.LevelAt(lineC)) {
|
||
|
|
styler.SetLevel(lineC, levH);
|
||
|
|
}
|
||
|
|
for (Sci_Position j=lineC+1; j<=lineCurrent; j++) {
|
||
|
|
if (lev != styler.LevelAt(j)) {
|
||
|
|
styler.SetLevel(j, lev);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (lev != styler.LevelAt(lineC)) {
|
||
|
|
styler.SetLevel(lineC, lev);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
levChanged = true;
|
||
|
|
}
|
||
|
|
else if (levChanged && comL[i]) {
|
||
|
|
if (lev != styler.LevelAt(lineC)) {
|
||
|
|
styler.SetLevel(lineC, lev);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
lineC++;
|
||
|
|
}
|
||
|
|
delete[] comL;
|
||
|
|
delete[] nComCol;
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
// To determine the folding level depending on keywords
|
||
|
|
static int classifyFoldPointFortran(const char* s, const char* prevWord, const char chNextNonBlank) {
|
||
|
|
int lev = 0;
|
||
|
|
|
||
|
|
if ((strcmp(prevWord, "module") == 0 && strcmp(s, "subroutine") == 0)
|
||
|
|
|| (strcmp(prevWord, "module") == 0 && strcmp(s, "function") == 0)) {
|
||
|
|
lev = 0;
|
||
|
|
} else if (strcmp(s, "associate") == 0 || strcmp(s, "block") == 0
|
||
|
|
|| strcmp(s, "blockdata") == 0 || strcmp(s, "select") == 0
|
||
|
|
|| strcmp(s, "selecttype") == 0 || strcmp(s, "selectcase") == 0
|
||
|
|
|| strcmp(s, "do") == 0 || strcmp(s, "enum") ==0
|
||
|
|
|| strcmp(s, "function") == 0 || strcmp(s, "interface") == 0
|
||
|
|
|| strcmp(s, "module") == 0 || strcmp(s, "program") == 0
|
||
|
|
|| strcmp(s, "subroutine") == 0 || strcmp(s, "then") == 0
|
||
|
|
|| (strcmp(s, "type") == 0 && chNextNonBlank != '(')
|
||
|
|
|| strcmp(s, "critical") == 0 || strcmp(s, "submodule") == 0){
|
||
|
|
if (strcmp(prevWord, "end") == 0)
|
||
|
|
lev = 0;
|
||
|
|
else
|
||
|
|
lev = 1;
|
||
|
|
} else if ((strcmp(s, "end") == 0 && chNextNonBlank != '=')
|
||
|
|
|| strcmp(s, "endassociate") == 0 || strcmp(s, "endblock") == 0
|
||
|
|
|| strcmp(s, "endblockdata") == 0 || strcmp(s, "endselect") == 0
|
||
|
|
|| strcmp(s, "enddo") == 0 || strcmp(s, "endenum") ==0
|
||
|
|
|| strcmp(s, "endif") == 0 || strcmp(s, "endforall") == 0
|
||
|
|
|| strcmp(s, "endfunction") == 0 || strcmp(s, "endinterface") == 0
|
||
|
|
|| strcmp(s, "endmodule") == 0 || strcmp(s, "endprogram") == 0
|
||
|
|
|| strcmp(s, "endsubroutine") == 0 || strcmp(s, "endtype") == 0
|
||
|
|
|| strcmp(s, "endwhere") == 0 || strcmp(s, "endcritical") == 0
|
||
|
|
|| (strcmp(prevWord, "module") == 0 && strcmp(s, "procedure") == 0) // Take care of the "module procedure" statement
|
||
|
|
|| strcmp(s, "endsubmodule") == 0 || strcmp(s, "endteam") == 0) {
|
||
|
|
lev = -1;
|
||
|
|
} else if (strcmp(prevWord, "end") == 0 && strcmp(s, "if") == 0){ // end if
|
||
|
|
lev = 0;
|
||
|
|
} else if (strcmp(prevWord, "type") == 0 && strcmp(s, "is") == 0){ // type is
|
||
|
|
lev = -1;
|
||
|
|
} else if ((strcmp(prevWord, "end") == 0 && strcmp(s, "procedure") == 0)
|
||
|
|
|| strcmp(s, "endprocedure") == 0) {
|
||
|
|
lev = 1; // level back to 0, because no folding support for "module procedure" in submodule
|
||
|
|
} else if (strcmp(prevWord, "change") == 0 && strcmp(s, "team") == 0){ // change team
|
||
|
|
lev = 1;
|
||
|
|
}
|
||
|
|
return lev;
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
// Folding the code
|
||
|
|
static void FoldFortranDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
|
||
|
|
Accessor &styler, bool isFixFormat) {
|
||
|
|
|
||
|
|
bool foldComment = styler.GetPropertyInt("fold.comment", 1) != 0;
|
||
|
|
bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0;
|
||
|
|
Sci_PositionU endPos = startPos + length;
|
||
|
|
int visibleChars = 0;
|
||
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
||
|
|
bool isPrevLine;
|
||
|
|
if (lineCurrent > 0) {
|
||
|
|
lineCurrent--;
|
||
|
|
startPos = styler.LineStart(lineCurrent);
|
||
|
|
isPrevLine = true;
|
||
|
|
} else {
|
||
|
|
isPrevLine = false;
|
||
|
|
}
|
||
|
|
char chNext = styler[startPos];
|
||
|
|
int styleNext = styler.StyleAt(startPos);
|
||
|
|
int style = initStyle;
|
||
|
|
int levelDeltaNext = 0;
|
||
|
|
|
||
|
|
const unsigned int nComL = 3; // defines how many comment lines should be before they are folded
|
||
|
|
Sci_Position nComColB[nComL] = {};
|
||
|
|
Sci_Position nComColF[nComL] = {};
|
||
|
|
Sci_Position nComCur = 0;
|
||
|
|
bool comLineB[nComL] = {};
|
||
|
|
bool comLineF[nComL] = {};
|
||
|
|
bool comLineCur;
|
||
|
|
Sci_Position nLineTotal = styler.GetLine(styler.Length()-1) + 1;
|
||
|
|
if (foldComment) {
|
||
|
|
for (unsigned int i=0; i<nComL; i++) {
|
||
|
|
Sci_Position chL = lineCurrent-(i+1);
|
||
|
|
if (chL < 0) {
|
||
|
|
comLineB[i] = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
GetIfLineComment(styler, isFixFormat, chL, comLineB[i], nComColB[i]);
|
||
|
|
if (!comLineB[i]) {
|
||
|
|
for (unsigned int j=i+1; j<nComL; j++) {
|
||
|
|
comLineB[j] = false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (unsigned int i=0; i<nComL; i++) {
|
||
|
|
Sci_Position chL = lineCurrent+i+1;
|
||
|
|
if (chL >= nLineTotal) {
|
||
|
|
comLineF[i] = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
GetIfLineComment(styler, isFixFormat, chL, comLineF[i], nComColF[i]);
|
||
|
|
}
|
||
|
|
GetIfLineComment(styler, isFixFormat, lineCurrent, comLineCur, nComCur);
|
||
|
|
CheckBackComLines(styler, isFixFormat, lineCurrent, nComL, nComColB, nComColF, nComCur,
|
||
|
|
comLineB, comLineF, comLineCur);
|
||
|
|
}
|
||
|
|
int levelCurrent = styler.LevelAt(lineCurrent) & SC_FOLDLEVELNUMBERMASK;
|
||
|
|
|
||
|
|
/***************************************/
|
||
|
|
Sci_Position lastStart = 0;
|
||
|
|
char prevWord[32] = "";
|
||
|
|
/***************************************/
|
||
|
|
for (Sci_PositionU i = startPos; i < endPos; i++) {
|
||
|
|
char ch = chNext;
|
||
|
|
chNext = styler.SafeGetCharAt(i + 1);
|
||
|
|
char chNextNonBlank = chNext;
|
||
|
|
bool nextEOL = false;
|
||
|
|
if (IsALineEnd(chNextNonBlank)) {
|
||
|
|
nextEOL = true;
|
||
|
|
}
|
||
|
|
Sci_PositionU j=i+1;
|
||
|
|
while(IsABlank(chNextNonBlank) && j<endPos) {
|
||
|
|
j ++ ;
|
||
|
|
chNextNonBlank = styler.SafeGetCharAt(j);
|
||
|
|
if (IsALineEnd(chNextNonBlank)) {
|
||
|
|
nextEOL = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!nextEOL && j == endPos) {
|
||
|
|
nextEOL = true;
|
||
|
|
}
|
||
|
|
int stylePrev = style;
|
||
|
|
style = styleNext;
|
||
|
|
styleNext = styler.StyleAt(i + 1);
|
||
|
|
bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
|
||
|
|
//
|
||
|
|
if (((isFixFormat && stylePrev == SCE_F_CONTINUATION) || stylePrev == SCE_F_DEFAULT
|
||
|
|
|| stylePrev == SCE_F_OPERATOR) && (style == SCE_F_WORD || style == SCE_F_LABEL)) {
|
||
|
|
// Store last word and label start point.
|
||
|
|
lastStart = i;
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
if (style == SCE_F_WORD) {
|
||
|
|
if(iswordchar(ch) && !iswordchar(chNext)) {
|
||
|
|
char s[32];
|
||
|
|
Sci_PositionU k;
|
||
|
|
for(k=0; (k<31 ) && (k<i-lastStart+1 ); k++) {
|
||
|
|
s[k] = static_cast<char>(tolower(styler[lastStart+k]));
|
||
|
|
}
|
||
|
|
s[k] = '\0';
|
||
|
|
// Handle the forall and where statement and structure.
|
||
|
|
if (strcmp(s, "forall") == 0 || (strcmp(s, "where") == 0 && strcmp(prevWord, "else") != 0)) {
|
||
|
|
if (strcmp(prevWord, "end") != 0) {
|
||
|
|
j = i + 1;
|
||
|
|
char chBrace = '(', chSeek = ')', ch1 = styler.SafeGetCharAt(j);
|
||
|
|
// Find the position of the first (
|
||
|
|
while (ch1 != chBrace && j<endPos) {
|
||
|
|
j++;
|
||
|
|
ch1 = styler.SafeGetCharAt(j);
|
||
|
|
}
|
||
|
|
char styBrace = styler.StyleAt(j);
|
||
|
|
int depth = 1;
|
||
|
|
char chAtPos;
|
||
|
|
char styAtPos;
|
||
|
|
while (j<endPos) {
|
||
|
|
j++;
|
||
|
|
chAtPos = styler.SafeGetCharAt(j);
|
||
|
|
styAtPos = styler.StyleAt(j);
|
||
|
|
if (styAtPos == styBrace) {
|
||
|
|
if (chAtPos == chBrace) depth++;
|
||
|
|
if (chAtPos == chSeek) depth--;
|
||
|
|
if (depth == 0) break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
Sci_Position tmpLineCurrent = lineCurrent;
|
||
|
|
while (j<endPos) {
|
||
|
|
j++;
|
||
|
|
chAtPos = styler.SafeGetCharAt(j);
|
||
|
|
styAtPos = styler.StyleAt(j);
|
||
|
|
if (!IsALineEnd(chAtPos) && (styAtPos == SCE_F_COMMENT || IsABlank(chAtPos))) continue;
|
||
|
|
if (isFixFormat) {
|
||
|
|
if (!IsALineEnd(chAtPos)) {
|
||
|
|
break;
|
||
|
|
} else {
|
||
|
|
if (tmpLineCurrent < styler.GetLine(styler.Length()-1)) {
|
||
|
|
tmpLineCurrent++;
|
||
|
|
j = styler.LineStart(tmpLineCurrent);
|
||
|
|
if (styler.StyleAt(j+5) == SCE_F_CONTINUATION
|
||
|
|
&& !IsABlank(styler.SafeGetCharAt(j+5)) && styler.SafeGetCharAt(j+5) != '0') {
|
||
|
|
j += 5;
|
||
|
|
continue;
|
||
|
|
} else {
|
||
|
|
levelDeltaNext++;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (chAtPos == '&' && styler.StyleAt(j) == SCE_F_CONTINUATION) {
|
||
|
|
j = GetContinuedPos(j+1, styler);
|
||
|
|
continue;
|
||
|
|
} else if (IsALineEnd(chAtPos)) {
|
||
|
|
levelDeltaNext++;
|
||
|
|
break;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
int wordLevelDelta = classifyFoldPointFortran(s, prevWord, chNextNonBlank);
|
||
|
|
levelDeltaNext += wordLevelDelta;
|
||
|
|
if (((strcmp(s, "else") == 0) && (nextEOL || chNextNonBlank == '!')) ||
|
||
|
|
(strcmp(prevWord, "else") == 0 && strcmp(s, "where") == 0) || strcmp(s, "elsewhere") == 0) {
|
||
|
|
if (!isPrevLine) {
|
||
|
|
levelCurrent--;
|
||
|
|
}
|
||
|
|
levelDeltaNext++;
|
||
|
|
} else if ((strcmp(prevWord, "else") == 0 && strcmp(s, "if") == 0) || strcmp(s, "elseif") == 0) {
|
||
|
|
if (!isPrevLine) {
|
||
|
|
levelCurrent--;
|
||
|
|
}
|
||
|
|
} else if ((strcmp(prevWord, "select") == 0 && strcmp(s, "case") == 0) || strcmp(s, "selectcase") == 0 ||
|
||
|
|
(strcmp(prevWord, "select") == 0 && strcmp(s, "type") == 0) || strcmp(s, "selecttype") == 0) {
|
||
|
|
levelDeltaNext += 2;
|
||
|
|
} else if ((strcmp(s, "case") == 0 && chNextNonBlank == '(') || (strcmp(prevWord, "case") == 0 && strcmp(s, "default") == 0) ||
|
||
|
|
(strcmp(prevWord, "type") == 0 && strcmp(s, "is") == 0) ||
|
||
|
|
(strcmp(prevWord, "class") == 0 && strcmp(s, "is") == 0) ||
|
||
|
|
(strcmp(prevWord, "class") == 0 && strcmp(s, "default") == 0) ) {
|
||
|
|
if (!isPrevLine) {
|
||
|
|
levelCurrent--;
|
||
|
|
}
|
||
|
|
levelDeltaNext++;
|
||
|
|
} else if ((strcmp(prevWord, "end") == 0 && strcmp(s, "select") == 0) || strcmp(s, "endselect") == 0) {
|
||
|
|
levelDeltaNext -= 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
// There are multiple forms of "do" loop. The older form with a label "do 100 i=1,10" would require matching
|
||
|
|
// labels to ensure the folding level does not decrease too far when labels are used for other purposes.
|
||
|
|
// Since this is difficult, do-label constructs are not folded.
|
||
|
|
if (strcmp(s, "do") == 0 && IsADigit(chNextNonBlank)) {
|
||
|
|
// Remove delta for do-label
|
||
|
|
levelDeltaNext -= wordLevelDelta;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
strcpy(prevWord, s);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (atEOL) {
|
||
|
|
if (foldComment) {
|
||
|
|
int ldNext;
|
||
|
|
CheckLevelCommentLine(nComL, nComColB, nComColF, nComCur, comLineB, comLineF, comLineCur, ldNext);
|
||
|
|
levelDeltaNext += ldNext;
|
||
|
|
}
|
||
|
|
int lev = levelCurrent;
|
||
|
|
if (visibleChars == 0 && foldCompact)
|
||
|
|
lev |= SC_FOLDLEVELWHITEFLAG;
|
||
|
|
if ((levelDeltaNext > 0) && (visibleChars > 0))
|
||
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
||
|
|
if (lev != styler.LevelAt(lineCurrent))
|
||
|
|
styler.SetLevel(lineCurrent, lev);
|
||
|
|
|
||
|
|
lineCurrent++;
|
||
|
|
levelCurrent += levelDeltaNext;
|
||
|
|
levelDeltaNext = 0;
|
||
|
|
visibleChars = 0;
|
||
|
|
strcpy(prevWord, "");
|
||
|
|
isPrevLine = false;
|
||
|
|
|
||
|
|
if (foldComment) {
|
||
|
|
StepCommentLine(styler, isFixFormat, lineCurrent, nComL, nComColB, nComColF, nComCur,
|
||
|
|
comLineB, comLineF, comLineCur);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
if (!isspacechar(ch)) visibleChars++;
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
static const char * const FortranWordLists[] = {
|
||
|
|
"Primary keywords and identifiers",
|
||
|
|
"Intrinsic functions",
|
||
|
|
"Extended and user defined functions",
|
||
|
|
0,
|
||
|
|
};
|
||
|
|
/***************************************/
|
||
|
|
static void ColouriseFortranDocFreeFormat(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *keywordlists[],
|
||
|
|
Accessor &styler) {
|
||
|
|
ColouriseFortranDoc(startPos, length, initStyle, keywordlists, styler, false);
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
static void ColouriseFortranDocFixFormat(Sci_PositionU startPos, Sci_Position length, int initStyle, WordList *keywordlists[],
|
||
|
|
Accessor &styler) {
|
||
|
|
ColouriseFortranDoc(startPos, length, initStyle, keywordlists, styler, true);
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
static void FoldFortranDocFreeFormat(Sci_PositionU startPos, Sci_Position length, int initStyle,
|
||
|
|
WordList *[], Accessor &styler) {
|
||
|
|
FoldFortranDoc(startPos, length, initStyle,styler, false);
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
static void FoldFortranDocFixFormat(Sci_PositionU startPos, Sci_Position length, int initStyle,
|
||
|
|
WordList *[], Accessor &styler) {
|
||
|
|
FoldFortranDoc(startPos, length, initStyle,styler, true);
|
||
|
|
}
|
||
|
|
/***************************************/
|
||
|
|
LexerModule lmFortran(SCLEX_FORTRAN, ColouriseFortranDocFreeFormat, "fortran", FoldFortranDocFreeFormat, FortranWordLists);
|
||
|
|
LexerModule lmF77(SCLEX_F77, ColouriseFortranDocFixFormat, "f77", FoldFortranDocFixFormat, FortranWordLists);
|