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724 lines
24 KiB
724 lines
24 KiB
// 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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|
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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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|
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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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|
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using namespace Lexilla; |
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|
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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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|
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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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|
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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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|
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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]); |
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} |
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else { |
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comLineF[nComL-1] = false; |
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} |
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} |
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/***************************************/ |
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static void CheckBackComLines(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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unsigned int nLines = nComL + nComL + 1; |
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bool* comL = new bool[nLines]; |
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Sci_Position* nComCol = new Sci_Position[nLines]; |
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bool comL0; |
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Sci_Position nComCol0; |
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GetIfLineComment(styler, isFixFormat, lineCurrent-nComL-1, comL0, nComCol0); |
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for (unsigned int i=0; i<nComL; i++) { |
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unsigned copyTo = nComL - i - 1; |
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comL[copyTo] = comLineB[i]; |
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nComCol[copyTo] = nComColB[i]; |
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} |
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assert(nComL < nLines); |
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comL[nComL] = comLineCur; |
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nComCol[nComL] = nComCur; |
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for (unsigned int i=0; i<nComL; i++) { |
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unsigned copyTo = i + nComL + 1; |
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comL[copyTo] = comLineF[i]; |
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nComCol[copyTo] = nComColF[i]; |
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} |
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|
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Sci_Position lineC = lineCurrent - nComL + 1; |
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Sci_PositionU iStart; |
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if (lineC <= 0) { |
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lineC = 0; |
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iStart = nComL - lineCurrent; |
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} |
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else { |
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iStart = 1; |
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} |
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bool levChanged = false; |
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int lev = styler.LevelAt(lineC) & SC_FOLDLEVELNUMBERMASK; |
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|
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for (Sci_PositionU i=iStart; i<=nComL; i++) { |
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if (comL[i] && (!comL[i-1] || nComCol[i] != nComCol[i-1])) { |
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bool increase = true; |
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Sci_PositionU until = i + nComL; |
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for (Sci_PositionU j=i+1; j<=until; j++) { |
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if (!comL[j] || nComCol[j] != nComCol[i]) { |
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increase = false; |
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break; |
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} |
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} |
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lev = styler.LevelAt(lineC) & SC_FOLDLEVELNUMBERMASK; |
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if (increase) { |
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int levH = lev | SC_FOLDLEVELHEADERFLAG; |
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lev += 1; |
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if (levH != styler.LevelAt(lineC)) { |
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styler.SetLevel(lineC, levH); |
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} |
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for (Sci_Position j=lineC+1; j<=lineCurrent; j++) { |
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if (lev != styler.LevelAt(j)) { |
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styler.SetLevel(j, lev); |
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} |
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} |
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break; |
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} |
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else { |
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if (lev != styler.LevelAt(lineC)) { |
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styler.SetLevel(lineC, lev); |
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} |
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} |
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levChanged = true; |
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} |
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else if (levChanged && comL[i]) { |
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if (lev != styler.LevelAt(lineC)) { |
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styler.SetLevel(lineC, lev); |
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} |
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} |
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lineC++; |
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} |
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delete[] comL; |
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delete[] nComCol; |
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} |
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/***************************************/ |
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// To determine the folding level depending on keywords |
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static int classifyFoldPointFortran(const char* s, const char* prevWord, const char chNextNonBlank) { |
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int lev = 0; |
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|
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if ((strcmp(prevWord, "module") == 0 && strcmp(s, "subroutine") == 0) |
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|| (strcmp(prevWord, "module") == 0 && strcmp(s, "function") == 0)) { |
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lev = 0; |
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} else if (strcmp(s, "associate") == 0 || strcmp(s, "block") == 0 |
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|| strcmp(s, "blockdata") == 0 || strcmp(s, "select") == 0 |
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|| strcmp(s, "selecttype") == 0 || strcmp(s, "selectcase") == 0 |
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|| strcmp(s, "do") == 0 || strcmp(s, "enum") ==0 |
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|| strcmp(s, "function") == 0 || strcmp(s, "interface") == 0 |
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|| strcmp(s, "module") == 0 || strcmp(s, "program") == 0 |
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|| strcmp(s, "subroutine") == 0 || strcmp(s, "then") == 0 |
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|| (strcmp(s, "type") == 0 && chNextNonBlank != '(') |
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|| strcmp(s, "critical") == 0 || strcmp(s, "submodule") == 0){ |
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if (strcmp(prevWord, "end") == 0) |
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lev = 0; |
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else |
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lev = 1; |
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} else if ((strcmp(s, "end") == 0 && chNextNonBlank != '=') |
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|| strcmp(s, "endassociate") == 0 || strcmp(s, "endblock") == 0 |
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|| strcmp(s, "endblockdata") == 0 || strcmp(s, "endselect") == 0 |
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|| strcmp(s, "enddo") == 0 || strcmp(s, "endenum") ==0 |
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|| strcmp(s, "endif") == 0 || strcmp(s, "endforall") == 0 |
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|| strcmp(s, "endfunction") == 0 || strcmp(s, "endinterface") == 0 |
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|| strcmp(s, "endmodule") == 0 || strcmp(s, "endprogram") == 0 |
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|| strcmp(s, "endsubroutine") == 0 || strcmp(s, "endtype") == 0 |
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|| strcmp(s, "endwhere") == 0 || strcmp(s, "endcritical") == 0 |
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|| (strcmp(prevWord, "module") == 0 && strcmp(s, "procedure") == 0) // Take care of the "module procedure" statement |
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|| strcmp(s, "endsubmodule") == 0 || strcmp(s, "endteam") == 0) { |
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lev = -1; |
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} else if (strcmp(prevWord, "end") == 0 && strcmp(s, "if") == 0){ // end if |
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lev = 0; |
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} else if (strcmp(prevWord, "type") == 0 && strcmp(s, "is") == 0){ // type is |
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lev = -1; |
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} else if ((strcmp(prevWord, "end") == 0 && strcmp(s, "procedure") == 0) |
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|| strcmp(s, "endprocedure") == 0) { |
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lev = 1; // level back to 0, because no folding support for "module procedure" in submodule |
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} else if (strcmp(prevWord, "change") == 0 && strcmp(s, "team") == 0){ // change team |
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lev = 1; |
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} |
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return lev; |
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} |
|
/***************************************/ |
|
// Folding the code |
|
static void FoldFortranDoc(Sci_PositionU startPos, Sci_Position length, int initStyle, |
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Accessor &styler, bool isFixFormat) { |
|
|
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bool foldComment = styler.GetPropertyInt("fold.comment", 1) != 0; |
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bool foldCompact = styler.GetPropertyInt("fold.compact", 1) != 0; |
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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); |
|
} |
|
/***************************************/ |
|
extern const LexerModule lmFortran(SCLEX_FORTRAN, ColouriseFortranDocFreeFormat, "fortran", FoldFortranDocFreeFormat, FortranWordLists); |
|
extern const LexerModule lmF77(SCLEX_F77, ColouriseFortranDocFixFormat, "f77", FoldFortranDocFixFormat, FortranWordLists);
|
|
|