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774 lines
24 KiB
774 lines
24 KiB
// Scintilla source code edit control
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/** @file LexGDScript.cxx
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** Lexer for GDScript.
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**/
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// Copyright 1998-2002 by Neil Hodgson <neilh@scintilla.org>
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// Heavily modified later for GDScript
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// The License.txt file describes the conditions under which this software may be distributed.
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#include <cstdlib>
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#include <cassert>
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#include <cstring>
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#include <string>
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#include <string_view>
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#include <vector>
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#include <map>
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#include <algorithm>
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#include <functional>
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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 "StringCopy.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 "CharacterCategory.h"
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#include "LexerModule.h"
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#include "OptionSet.h"
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#include "SubStyles.h"
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#include "DefaultLexer.h"
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using namespace Scintilla;
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using namespace Lexilla;
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namespace {
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enum kwType { kwOther, kwClass, kwDef, kwExtends};
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constexpr int indicatorWhitespace = 1;
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bool IsGDStringStart(int ch) {
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return (ch == '\'' || ch == '"');
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}
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bool IsGDComment(Accessor &styler, Sci_Position pos, Sci_Position len) {
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return len > 0 && styler[pos] == '#';
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}
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constexpr bool IsGDSingleQuoteStringState(int st) noexcept {
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return ((st == SCE_GD_CHARACTER) || (st == SCE_GD_STRING));
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}
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constexpr bool IsGDTripleQuoteStringState(int st) noexcept {
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return ((st == SCE_GD_TRIPLE) || (st == SCE_GD_TRIPLEDOUBLE));
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}
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char GetGDStringQuoteChar(int st) noexcept {
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if ((st == SCE_GD_CHARACTER) || (st == SCE_GD_TRIPLE))
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return '\'';
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if ((st == SCE_GD_STRING) || (st == SCE_GD_TRIPLEDOUBLE))
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return '"';
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return '\0';
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}
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/* Return the state to use for the string starting at i; *nextIndex will be set to the first index following the quote(s) */
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int GetGDStringState(Accessor &styler, Sci_Position i, Sci_PositionU *nextIndex) {
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char ch = styler.SafeGetCharAt(i);
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char chNext = styler.SafeGetCharAt(i + 1);
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if (ch != '"' && ch != '\'') {
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*nextIndex = i + 1;
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return SCE_GD_DEFAULT;
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}
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if (ch == chNext && ch == styler.SafeGetCharAt(i + 2)) {
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*nextIndex = i + 3;
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if (ch == '"')
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return SCE_GD_TRIPLEDOUBLE;
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else
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return SCE_GD_TRIPLE;
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} else {
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*nextIndex = i + 1;
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if (ch == '"')
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return SCE_GD_STRING;
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else
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return SCE_GD_CHARACTER;
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}
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}
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int GetGDStringState(int ch) {
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if (ch != '"' && ch != '\'')
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return SCE_GD_DEFAULT;
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if (ch == '"')
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return SCE_GD_STRING;
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else
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return SCE_GD_CHARACTER;
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}
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inline bool IsAWordChar(int ch, bool unicodeIdentifiers) {
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if (IsASCII(ch))
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return (IsAlphaNumeric(ch) || ch == '.' || ch == '_');
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if (!unicodeIdentifiers)
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return false;
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return IsXidContinue(ch);
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}
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inline bool IsANodePathChar(int ch, bool unicodeIdentifiers) {
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if (IsASCII(ch))
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return (IsAlphaNumeric(ch) || ch == '_' || ch == '/' || ch =='%');
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if (!unicodeIdentifiers)
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return false;
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return IsXidContinue(ch);
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}
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inline bool IsAWordStart(int ch, bool unicodeIdentifiers) {
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if (IsASCII(ch))
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return (IsUpperOrLowerCase(ch) || ch == '_');
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if (!unicodeIdentifiers)
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return false;
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return IsXidStart(ch);
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}
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bool IsFirstNonWhitespace(Sci_Position pos, Accessor &styler) {
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const Sci_Position line = styler.GetLine(pos);
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const Sci_Position start_pos = styler.LineStart(line);
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for (Sci_Position i = start_pos; i < pos; i++) {
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const char ch = styler[i];
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if (!(ch == ' ' || ch == '\t'))
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return false;
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}
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return true;
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}
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// Options used for LexerGDScript
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struct OptionsGDScript {
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int whingeLevel;
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bool base2or8Literals;
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bool stringsOverNewline;
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bool keywords2NoSubIdentifiers;
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bool fold;
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bool foldQuotes;
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bool foldCompact;
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bool unicodeIdentifiers;
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OptionsGDScript() noexcept {
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whingeLevel = 0;
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base2or8Literals = true;
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stringsOverNewline = false;
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keywords2NoSubIdentifiers = false;
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fold = false;
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foldQuotes = false;
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foldCompact = false;
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unicodeIdentifiers = true;
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}
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};
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const char *const gdscriptWordListDesc[] = {
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"Keywords",
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"Highlighted identifiers",
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nullptr
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};
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struct OptionSetGDScript : public OptionSet<OptionsGDScript> {
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OptionSetGDScript() {
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DefineProperty("lexer.gdscript.whinge.level", &OptionsGDScript::whingeLevel,
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"For GDScript code, checks whether indenting is consistent. "
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"The default, 0 turns off indentation checking, "
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"1 checks whether each line is potentially inconsistent with the previous line, "
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"2 checks whether any space characters occur before a tab character in the indentation, "
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"3 checks whether any spaces are in the indentation, and "
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"4 checks for any tab characters in the indentation. "
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"1 is a good level to use.");
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DefineProperty("lexer.gdscript.literals.binary", &OptionsGDScript::base2or8Literals,
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"Set to 0 to not recognise binary and octal literals: 0b1011 0o712.");
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DefineProperty("lexer.gdscript.strings.over.newline", &OptionsGDScript::stringsOverNewline,
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"Set to 1 to allow strings to span newline characters.");
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DefineProperty("lexer.gdscript.keywords2.no.sub.identifiers", &OptionsGDScript::keywords2NoSubIdentifiers,
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"When enabled, it will not style keywords2 items that are used as a sub-identifier. "
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"Example: when set, will not highlight \"foo.open\" when \"open\" is a keywords2 item.");
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DefineProperty("fold", &OptionsGDScript::fold);
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DefineProperty("fold.gdscript.quotes", &OptionsGDScript::foldQuotes,
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"This option enables folding multi-line quoted strings when using the GDScript lexer.");
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DefineProperty("fold.compact", &OptionsGDScript::foldCompact);
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DefineProperty("lexer.gdscript.unicode.identifiers", &OptionsGDScript::unicodeIdentifiers,
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"Set to 0 to not recognise Unicode identifiers.");
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DefineWordListSets(gdscriptWordListDesc);
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}
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};
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const char styleSubable[] = { SCE_GD_IDENTIFIER, 0 };
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LexicalClass lexicalClasses[] = {
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// Lexer GDScript SCLEX_GDSCRIPT SCE_GD_:
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0, "SCE_GD_DEFAULT", "default", "White space",
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1, "SCE_GD_COMMENTLINE", "comment line", "Comment",
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2, "SCE_GD_NUMBER", "literal numeric", "Number",
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3, "SCE_GD_STRING", "literal string", "String",
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4, "SCE_GD_CHARACTER", "literal string", "Single quoted string",
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5, "SCE_GD_WORD", "keyword", "Keyword",
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6, "SCE_GD_TRIPLE", "literal string", "Triple quotes",
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7, "SCE_GD_TRIPLEDOUBLE", "literal string", "Triple double quotes",
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8, "SCE_GD_CLASSNAME", "identifier", "Class name definition",
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9, "SCE_GD_FUNCNAME", "identifier", "Function or method name definition",
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10, "SCE_GD_OPERATOR", "operator", "Operators",
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11, "SCE_GD_IDENTIFIER", "identifier", "Identifiers",
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12, "SCE_GD_COMMENTBLOCK", "comment", "Comment-blocks",
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13, "SCE_GD_STRINGEOL", "error literal string", "End of line where string is not closed",
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14, "SCE_GD_WORD2", "identifier", "Highlighted identifiers",
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15, "SCE_GD_ANNOTATION", "annotation", "Annotations",
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16, "SCE_GD_NODEPATH", "path", "Node path",
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};
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}
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class LexerGDScript : public DefaultLexer {
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WordList keywords;
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WordList keywords2;
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OptionsGDScript options;
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OptionSetGDScript osGDScript;
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enum { ssIdentifier };
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SubStyles subStyles;
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public:
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explicit LexerGDScript() :
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DefaultLexer("gdscript", SCLEX_GDSCRIPT, lexicalClasses, ELEMENTS(lexicalClasses)),
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subStyles(styleSubable, 0x80, 0x40, 0) {
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}
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~LexerGDScript() override {
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}
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void SCI_METHOD Release() override {
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delete this;
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}
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int SCI_METHOD Version() const override {
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return lvRelease5;
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}
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const char *SCI_METHOD PropertyNames() override {
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return osGDScript.PropertyNames();
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}
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int SCI_METHOD PropertyType(const char *name) override {
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return osGDScript.PropertyType(name);
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}
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const char *SCI_METHOD DescribeProperty(const char *name) override {
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return osGDScript.DescribeProperty(name);
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}
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Sci_Position SCI_METHOD PropertySet(const char *key, const char *val) override;
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const char * SCI_METHOD PropertyGet(const char *key) override {
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return osGDScript.PropertyGet(key);
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}
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const char *SCI_METHOD DescribeWordListSets() override {
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return osGDScript.DescribeWordListSets();
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}
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Sci_Position SCI_METHOD WordListSet(int n, const char *wl) override;
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void SCI_METHOD Lex(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) override;
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void SCI_METHOD Fold(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) override;
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void *SCI_METHOD PrivateCall(int, void *) override {
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return nullptr;
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}
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int SCI_METHOD LineEndTypesSupported() override {
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return SC_LINE_END_TYPE_UNICODE;
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}
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int SCI_METHOD AllocateSubStyles(int styleBase, int numberStyles) override {
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return subStyles.Allocate(styleBase, numberStyles);
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}
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int SCI_METHOD SubStylesStart(int styleBase) override {
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return subStyles.Start(styleBase);
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}
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int SCI_METHOD SubStylesLength(int styleBase) override {
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return subStyles.Length(styleBase);
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}
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int SCI_METHOD StyleFromSubStyle(int subStyle) override {
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const int styleBase = subStyles.BaseStyle(subStyle);
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return styleBase;
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}
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int SCI_METHOD PrimaryStyleFromStyle(int style) override {
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return style;
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}
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void SCI_METHOD FreeSubStyles() override {
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subStyles.Free();
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}
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void SCI_METHOD SetIdentifiers(int style, const char *identifiers) override {
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subStyles.SetIdentifiers(style, identifiers);
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}
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int SCI_METHOD DistanceToSecondaryStyles() override {
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return 0;
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}
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const char *SCI_METHOD GetSubStyleBases() override {
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return styleSubable;
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}
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static ILexer5 *LexerFactoryGDScript() {
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return new LexerGDScript();
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}
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private:
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void ProcessLineEnd(StyleContext &sc, bool &inContinuedString);
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};
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Sci_Position SCI_METHOD LexerGDScript::PropertySet(const char *key, const char *val) {
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if (osGDScript.PropertySet(&options, key, val)) {
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return 0;
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}
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return -1;
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}
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Sci_Position SCI_METHOD LexerGDScript::WordListSet(int n, const char *wl) {
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WordList *wordListN = nullptr;
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switch (n) {
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case 0:
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wordListN = &keywords;
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break;
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case 1:
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wordListN = &keywords2;
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break;
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default:
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break;
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}
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Sci_Position firstModification = -1;
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if (wordListN) {
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WordList wlNew;
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wlNew.Set(wl);
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if (*wordListN != wlNew) {
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wordListN->Set(wl);
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firstModification = 0;
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}
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}
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return firstModification;
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}
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void LexerGDScript::ProcessLineEnd(StyleContext &sc, bool &inContinuedString) {
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if ((sc.state == SCE_GD_DEFAULT)
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|| IsGDTripleQuoteStringState(sc.state)) {
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// Perform colourisation of white space and triple quoted strings at end of each line to allow
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// tab marking to work inside white space and triple quoted strings
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sc.SetState(sc.state);
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}
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if (IsGDSingleQuoteStringState(sc.state)) {
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if (inContinuedString || options.stringsOverNewline) {
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inContinuedString = false;
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} else {
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sc.ChangeState(SCE_GD_STRINGEOL);
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sc.ForwardSetState(SCE_GD_DEFAULT);
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}
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}
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}
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void SCI_METHOD LexerGDScript::Lex(Sci_PositionU startPos, Sci_Position length, int initStyle, IDocument *pAccess) {
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Accessor styler(pAccess, nullptr);
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const Sci_Position endPos = startPos + length;
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// Backtrack to previous line in case need to fix its tab whinging
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Sci_Position lineCurrent = styler.GetLine(startPos);
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if (startPos > 0) {
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if (lineCurrent > 0) {
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lineCurrent--;
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// Look for backslash-continued lines
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while (lineCurrent > 0) {
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const Sci_Position eolPos = styler.LineStart(lineCurrent) - 1;
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const int eolStyle = styler.StyleAt(eolPos);
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if (eolStyle == SCE_GD_STRING || eolStyle == SCE_GD_CHARACTER
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|| eolStyle == SCE_GD_STRINGEOL) {
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lineCurrent -= 1;
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} else {
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break;
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}
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}
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startPos = styler.LineStart(lineCurrent);
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}
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initStyle = startPos == 0 ? SCE_GD_DEFAULT : styler.StyleAt(startPos - 1);
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}
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initStyle = initStyle & 31;
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if (initStyle == SCE_GD_STRINGEOL) {
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initStyle = SCE_GD_DEFAULT;
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}
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kwType kwLast = kwOther;
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int spaceFlags = 0;
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styler.IndentAmount(lineCurrent, &spaceFlags, IsGDComment);
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bool base_n_number = false;
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const WordClassifier &classifierIdentifiers = subStyles.Classifier(SCE_GD_IDENTIFIER);
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StyleContext sc(startPos, endPos - startPos, initStyle, styler);
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bool indentGood = true;
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Sci_Position startIndicator = sc.currentPos;
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bool inContinuedString = false;
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bool percentIsNodePath = false;
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int nodePathStringState = SCE_GD_DEFAULT;
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for (; sc.More(); sc.Forward()) {
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if (sc.atLineStart) {
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styler.IndentAmount(lineCurrent, &spaceFlags, IsGDComment);
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indentGood = true;
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if (options.whingeLevel == 1) {
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indentGood = (spaceFlags & wsInconsistent) == 0;
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} else if (options.whingeLevel == 2) {
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indentGood = (spaceFlags & wsSpaceTab) == 0;
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} else if (options.whingeLevel == 3) {
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indentGood = (spaceFlags & wsSpace) == 0;
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} else if (options.whingeLevel == 4) {
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indentGood = (spaceFlags & wsTab) == 0;
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}
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if (!indentGood) {
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styler.IndicatorFill(startIndicator, sc.currentPos, indicatorWhitespace, 0);
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startIndicator = sc.currentPos;
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}
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}
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if (sc.atLineEnd) {
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percentIsNodePath = false;
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ProcessLineEnd(sc, inContinuedString);
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lineCurrent++;
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if (!sc.More())
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break;
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}
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bool needEOLCheck = false;
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if (sc.state == SCE_GD_OPERATOR) {
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kwLast = kwOther;
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sc.SetState(SCE_GD_DEFAULT);
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} else if (sc.state == SCE_GD_NUMBER) {
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if (!IsAWordChar(sc.ch, false) &&
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!(!base_n_number && ((sc.ch == '+' || sc.ch == '-') && (sc.chPrev == 'e' || sc.chPrev == 'E')))) {
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sc.SetState(SCE_GD_DEFAULT);
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}
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} else if (sc.state == SCE_GD_IDENTIFIER) {
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if ((sc.ch == '.') || (!IsAWordChar(sc.ch, options.unicodeIdentifiers))) {
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char s[100];
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sc.GetCurrent(s, sizeof(s));
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int style = SCE_GD_IDENTIFIER;
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if (keywords.InList(s)) {
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style = SCE_GD_WORD;
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} else if (kwLast == kwClass) {
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style = SCE_GD_CLASSNAME;
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} else if (kwLast == kwDef) {
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style = SCE_GD_FUNCNAME;
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} else if (keywords2.InList(s)) {
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if (options.keywords2NoSubIdentifiers) {
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// We don't want to highlight keywords2
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// that are used as a sub-identifier,
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// i.e. not open in "foo.open".
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const Sci_Position pos = styler.GetStartSegment() - 1;
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if (pos < 0 || (styler.SafeGetCharAt(pos, '\0') != '.'))
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style = SCE_GD_WORD2;
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} else {
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style = SCE_GD_WORD2;
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}
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} else {
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const int subStyle = classifierIdentifiers.ValueFor(s);
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if (subStyle >= 0) {
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style = subStyle;
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}
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}
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sc.ChangeState(style);
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sc.SetState(SCE_GD_DEFAULT);
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if (style == SCE_GD_WORD) {
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if (0 == strcmp(s, "class"))
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kwLast = kwClass;
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else if (0 == strcmp(s, "func"))
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kwLast = kwDef;
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else if (0 == strcmp(s, "extends"))
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kwLast = kwExtends;
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else
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kwLast = kwOther;
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} else {
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kwLast = kwOther;
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}
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}
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} else if ((sc.state == SCE_GD_COMMENTLINE) || (sc.state == SCE_GD_COMMENTBLOCK)) {
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if (sc.ch == '\r' || sc.ch == '\n') {
|
|
sc.SetState(SCE_GD_DEFAULT);
|
|
}
|
|
} else if (sc.state == SCE_GD_ANNOTATION) {
|
|
if (!IsAWordStart(sc.ch, options.unicodeIdentifiers)) {
|
|
sc.SetState(SCE_GD_DEFAULT);
|
|
}
|
|
} else if (sc.state == SCE_GD_NODEPATH) {
|
|
if (nodePathStringState != SCE_GD_DEFAULT) {
|
|
if (sc.ch == GetGDStringQuoteChar(nodePathStringState) ) {
|
|
nodePathStringState = SCE_GD_DEFAULT;
|
|
}
|
|
} else {
|
|
if (IsGDStringStart(sc.ch)) {
|
|
nodePathStringState = GetGDStringState(sc.ch);
|
|
} else if (!IsANodePathChar(sc.ch, options.unicodeIdentifiers)) {
|
|
sc.SetState(SCE_GD_DEFAULT);
|
|
}
|
|
}
|
|
} else if (IsGDSingleQuoteStringState(sc.state)) {
|
|
if (sc.ch == '\\') {
|
|
if ((sc.chNext == '\r') && (sc.GetRelative(2) == '\n')) {
|
|
sc.Forward();
|
|
}
|
|
if (sc.chNext == '\n' || sc.chNext == '\r') {
|
|
inContinuedString = true;
|
|
} else {
|
|
// Don't roll over the newline.
|
|
sc.Forward();
|
|
}
|
|
} else if (sc.ch == GetGDStringQuoteChar(sc.state)) {
|
|
sc.ForwardSetState(SCE_GD_DEFAULT);
|
|
needEOLCheck = true;
|
|
}
|
|
} else if (sc.state == SCE_GD_TRIPLE) {
|
|
if (sc.ch == '\\') {
|
|
sc.Forward();
|
|
} else if (sc.Match(R"(''')")) {
|
|
sc.Forward();
|
|
sc.Forward();
|
|
sc.ForwardSetState(SCE_GD_DEFAULT);
|
|
needEOLCheck = true;
|
|
}
|
|
} else if (sc.state == SCE_GD_TRIPLEDOUBLE) {
|
|
if (sc.ch == '\\') {
|
|
sc.Forward();
|
|
} else if (sc.Match(R"(""")")) {
|
|
sc.Forward();
|
|
sc.Forward();
|
|
sc.ForwardSetState(SCE_GD_DEFAULT);
|
|
needEOLCheck = true;
|
|
}
|
|
}
|
|
|
|
if (!indentGood && !IsASpaceOrTab(sc.ch)) {
|
|
styler.IndicatorFill(startIndicator, sc.currentPos, indicatorWhitespace, 1);
|
|
startIndicator = sc.currentPos;
|
|
indentGood = true;
|
|
}
|
|
|
|
// State exit code may have moved on to end of line
|
|
if (needEOLCheck && sc.atLineEnd) {
|
|
ProcessLineEnd(sc, inContinuedString);
|
|
lineCurrent++;
|
|
styler.IndentAmount(lineCurrent, &spaceFlags, IsGDComment);
|
|
if (!sc.More())
|
|
break;
|
|
}
|
|
|
|
// Check for a new state starting character
|
|
if (sc.state == SCE_GD_DEFAULT) {
|
|
if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
|
|
if (sc.ch == '0' && (sc.chNext == 'x' || sc.chNext == 'X')) {
|
|
base_n_number = true;
|
|
sc.SetState(SCE_GD_NUMBER);
|
|
} else if (sc.ch == '0' &&
|
|
(sc.chNext == 'o' || sc.chNext == 'O' || sc.chNext == 'b' || sc.chNext == 'B')) {
|
|
if (options.base2or8Literals) {
|
|
base_n_number = true;
|
|
sc.SetState(SCE_GD_NUMBER);
|
|
} else {
|
|
sc.SetState(SCE_GD_NUMBER);
|
|
sc.ForwardSetState(SCE_GD_IDENTIFIER);
|
|
}
|
|
} else {
|
|
base_n_number = false;
|
|
sc.SetState(SCE_GD_NUMBER);
|
|
}
|
|
} else if ((sc.ch == '$') || (sc.ch == '%' && (percentIsNodePath || IsFirstNonWhitespace(sc.currentPos, styler)))) {
|
|
percentIsNodePath = false;
|
|
sc.SetState(SCE_GD_NODEPATH);
|
|
} else if (isoperator(sc.ch) || sc.ch == '`') {
|
|
percentIsNodePath = !((sc.ch == ')') || (sc.ch == ']') || (sc.ch == '}'));
|
|
sc.SetState(SCE_GD_OPERATOR);
|
|
} else if (sc.ch == '#') {
|
|
sc.SetState(sc.chNext == '#' ? SCE_GD_COMMENTBLOCK : SCE_GD_COMMENTLINE);
|
|
} else if (sc.ch == '@') {
|
|
if (IsFirstNonWhitespace(sc.currentPos, styler))
|
|
sc.SetState(SCE_GD_ANNOTATION);
|
|
else
|
|
sc.SetState(SCE_GD_OPERATOR);
|
|
} else if (IsGDStringStart(sc.ch)) {
|
|
Sci_PositionU nextIndex = 0;
|
|
sc.SetState(GetGDStringState(styler, sc.currentPos, &nextIndex));
|
|
while (nextIndex > (sc.currentPos + 1) && sc.More()) {
|
|
sc.Forward();
|
|
}
|
|
} else if (IsAWordStart(sc.ch, options.unicodeIdentifiers)) {
|
|
sc.SetState(SCE_GD_IDENTIFIER);
|
|
}
|
|
}
|
|
}
|
|
styler.IndicatorFill(startIndicator, sc.currentPos, indicatorWhitespace, 0);
|
|
sc.Complete();
|
|
}
|
|
|
|
static bool IsCommentLine(Sci_Position line, Accessor &styler) {
|
|
const Sci_Position pos = styler.LineStart(line);
|
|
const Sci_Position eol_pos = styler.LineStart(line + 1) - 1;
|
|
for (Sci_Position i = pos; i < eol_pos; i++) {
|
|
const char ch = styler[i];
|
|
if (ch == '#')
|
|
return true;
|
|
else if (ch != ' ' && ch != '\t')
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool IsQuoteLine(Sci_Position line, const Accessor &styler) {
|
|
const int style = styler.StyleAt(styler.LineStart(line)) & 31;
|
|
return IsGDTripleQuoteStringState(style);
|
|
}
|
|
|
|
|
|
void SCI_METHOD LexerGDScript::Fold(Sci_PositionU startPos, Sci_Position length, int /*initStyle - unused*/, IDocument *pAccess) {
|
|
if (!options.fold)
|
|
return;
|
|
|
|
Accessor styler(pAccess, nullptr);
|
|
|
|
const Sci_Position maxPos = startPos + length;
|
|
const Sci_Position maxLines = (maxPos == styler.Length()) ? styler.GetLine(maxPos) : styler.GetLine(maxPos - 1); // Requested last line
|
|
const Sci_Position docLines = styler.GetLine(styler.Length()); // Available last line
|
|
|
|
// Backtrack to previous non-blank line so we can determine indent level
|
|
// for any white space lines (needed esp. within triple quoted strings)
|
|
// and so we can fix any preceding fold level (which is why we go back
|
|
// at least one line in all cases)
|
|
int spaceFlags = 0;
|
|
Sci_Position lineCurrent = styler.GetLine(startPos);
|
|
int indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, nullptr);
|
|
while (lineCurrent > 0) {
|
|
lineCurrent--;
|
|
indentCurrent = styler.IndentAmount(lineCurrent, &spaceFlags, nullptr);
|
|
if (!(indentCurrent & SC_FOLDLEVELWHITEFLAG) &&
|
|
(!IsCommentLine(lineCurrent, styler)) &&
|
|
(!IsQuoteLine(lineCurrent, styler)))
|
|
break;
|
|
}
|
|
int indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;
|
|
|
|
// Set up initial loop state
|
|
startPos = styler.LineStart(lineCurrent);
|
|
int prev_state = SCE_GD_DEFAULT & 31;
|
|
if (lineCurrent >= 1)
|
|
prev_state = styler.StyleAt(startPos - 1) & 31;
|
|
int prevQuote = options.foldQuotes && IsGDTripleQuoteStringState(prev_state);
|
|
|
|
// Process all characters to end of requested range or end of any triple quote
|
|
//that hangs over the end of the range. Cap processing in all cases
|
|
// to end of document (in case of unclosed quote at end).
|
|
while ((lineCurrent <= docLines) && ((lineCurrent <= maxLines) || prevQuote)) {
|
|
|
|
// Gather info
|
|
int lev = indentCurrent;
|
|
Sci_Position lineNext = lineCurrent + 1;
|
|
int indentNext = indentCurrent;
|
|
int quote = false;
|
|
if (lineNext <= docLines) {
|
|
// Information about next line is only available if not at end of document
|
|
indentNext = styler.IndentAmount(lineNext, &spaceFlags, nullptr);
|
|
const Sci_Position lookAtPos = (styler.LineStart(lineNext) == styler.Length()) ? styler.Length() - 1 : styler.LineStart(lineNext);
|
|
const int style = styler.StyleAt(lookAtPos) & 31;
|
|
quote = options.foldQuotes && IsGDTripleQuoteStringState(style);
|
|
}
|
|
const bool quote_start = (quote && !prevQuote);
|
|
const bool quote_continue = (quote && prevQuote);
|
|
if (!quote || !prevQuote)
|
|
indentCurrentLevel = indentCurrent & SC_FOLDLEVELNUMBERMASK;
|
|
if (quote)
|
|
indentNext = indentCurrentLevel;
|
|
if (indentNext & SC_FOLDLEVELWHITEFLAG)
|
|
indentNext = SC_FOLDLEVELWHITEFLAG | indentCurrentLevel;
|
|
|
|
if (quote_start) {
|
|
// Place fold point at start of triple quoted string
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
} else if (quote_continue || prevQuote) {
|
|
// Add level to rest of lines in the string
|
|
lev = lev + 1;
|
|
}
|
|
|
|
// Skip past any blank lines for next indent level info; we skip also
|
|
// comments (all comments, not just those starting in column 0)
|
|
// which effectively folds them into surrounding code rather
|
|
// than screwing up folding. If comments end file, use the min
|
|
// comment indent as the level after
|
|
|
|
int minCommentLevel = indentCurrentLevel;
|
|
while (!quote &&
|
|
(lineNext < docLines) &&
|
|
((indentNext & SC_FOLDLEVELWHITEFLAG) || (IsCommentLine(lineNext, styler)))) {
|
|
|
|
if (IsCommentLine(lineNext, styler) && indentNext < minCommentLevel) {
|
|
minCommentLevel = indentNext;
|
|
}
|
|
|
|
lineNext++;
|
|
indentNext = styler.IndentAmount(lineNext, &spaceFlags, nullptr);
|
|
}
|
|
|
|
const int levelAfterComments = ((lineNext < docLines) ? indentNext & SC_FOLDLEVELNUMBERMASK : minCommentLevel);
|
|
const int levelBeforeComments = std::max(indentCurrentLevel, levelAfterComments);
|
|
|
|
// Now set all the indent levels on the lines we skipped
|
|
// Do this from end to start. Once we encounter one line
|
|
// which is indented more than the line after the end of
|
|
// the comment-block, use the level of the block before
|
|
|
|
Sci_Position skipLine = lineNext;
|
|
int skipLevel = levelAfterComments;
|
|
|
|
while (--skipLine > lineCurrent) {
|
|
const int skipLineIndent = styler.IndentAmount(skipLine, &spaceFlags, nullptr);
|
|
|
|
if (options.foldCompact) {
|
|
if ((skipLineIndent & SC_FOLDLEVELNUMBERMASK) > levelAfterComments)
|
|
skipLevel = levelBeforeComments;
|
|
|
|
const int whiteFlag = skipLineIndent & SC_FOLDLEVELWHITEFLAG;
|
|
|
|
styler.SetLevel(skipLine, skipLevel | whiteFlag);
|
|
} else {
|
|
if ((skipLineIndent & SC_FOLDLEVELNUMBERMASK) > levelAfterComments &&
|
|
!(skipLineIndent & SC_FOLDLEVELWHITEFLAG) &&
|
|
!IsCommentLine(skipLine, styler))
|
|
skipLevel = levelBeforeComments;
|
|
|
|
styler.SetLevel(skipLine, skipLevel);
|
|
}
|
|
}
|
|
|
|
// Set fold header on non-quote line
|
|
if (!quote && !(indentCurrent & SC_FOLDLEVELWHITEFLAG)) {
|
|
if ((indentCurrent & SC_FOLDLEVELNUMBERMASK) < (indentNext & SC_FOLDLEVELNUMBERMASK))
|
|
lev |= SC_FOLDLEVELHEADERFLAG;
|
|
}
|
|
|
|
// Keep track of triple quote state of previous line
|
|
prevQuote = quote;
|
|
|
|
// Set fold level for this line and move to next line
|
|
styler.SetLevel(lineCurrent, options.foldCompact ? lev : lev & ~SC_FOLDLEVELWHITEFLAG);
|
|
indentCurrent = indentNext;
|
|
lineCurrent = lineNext;
|
|
}
|
|
|
|
// NOTE: Cannot set level of last line here because indentCurrent doesn't have
|
|
// header flag set; the loop above is crafted to take care of this case!
|
|
//styler.SetLevel(lineCurrent, indentCurrent);
|
|
}
|
|
|
|
LexerModule lmGDScript(SCLEX_GDSCRIPT, LexerGDScript::LexerFactoryGDScript, "gdscript",
|
|
gdscriptWordListDesc);
|