--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/QScintilla/Lexers/LexerCPP.py Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,186 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a CPP lexer with some additional methods.
+"""
+
+import contextlib
+
+from PyQt6.Qsci import QsciLexerCPP, QsciScintilla
+
+from .SubstyledLexer import SubstyledLexer
+import Preferences
+
+
+class LexerCPP(SubstyledLexer, QsciLexerCPP):
+ """
+ Subclass to implement some additional lexer dependant methods.
+ """
+ def __init__(self, parent=None, caseInsensitiveKeywords=False):
+ """
+ Constructor
+
+ @param parent parent widget of this lexer
+ @param caseInsensitiveKeywords flag indicating keywords are case
+ insensitive (boolean)
+ """
+ QsciLexerCPP.__init__(self, parent, caseInsensitiveKeywords)
+ SubstyledLexer.__init__(self)
+
+ self.commentString = "//"
+ self.streamCommentString = {
+ 'start': '/* ',
+ 'end': ' */'
+ }
+ self.boxCommentString = {
+ 'start': '/* ',
+ 'middle': ' * ',
+ 'end': ' */'
+ }
+
+ self.keywordSetDescriptions = [
+ self.tr("Primary keywords and identifiers"),
+ self.tr("Secondary keywords and identifiers"),
+ self.tr("Documentation comment keywords"),
+ self.tr("Global classes and typedefs"),
+ self.tr("Preprocessor definitions"),
+ self.tr("Task marker and error marker keywords"),
+ ]
+
+ ##############################################################
+ ## default sub-style definitions
+ ##############################################################
+
+ diffToSecondary = 0x40
+ # This may need to be changed to be in line with Scintilla C++ lexer.
+
+ # list of style numbers, that support sub-styling
+ self.baseStyles = [11, 17, 11 + diffToSecondary, 17 + diffToSecondary]
+
+ self.defaultSubStyles = {
+ 11: {
+ 0: {
+ "Description": self.tr("Additional Identifier"),
+ "Words": "std map string vector",
+ "Style": {
+ "fore": 0xEE00AA,
+ }
+ },
+ },
+ 17: {
+ 0: {
+ "Description": self.tr("Additional JavaDoc keyword"),
+ "Words": "check",
+ "Style": {
+ "fore": 0x00AAEE,
+ }
+ },
+ },
+ 11 + diffToSecondary: {
+ 0: {
+ "Description": self.tr("Inactive additional identifier"),
+ "Words": "std map string vector",
+ "Style": {
+ "fore": 0xBB6666,
+ }
+ },
+ },
+ 17 + diffToSecondary: {
+ 0: {
+ "Description": self.tr(
+ "Inactive additional JavaDoc keyword"),
+ "Words": "check",
+ "Style": {
+ "fore": 0x6699AA,
+ }
+ },
+ },
+ }
+
+ def initProperties(self):
+ """
+ Public slot to initialize the properties.
+ """
+ self.setFoldComments(Preferences.getEditor("CppFoldComment"))
+ self.setFoldPreprocessor(Preferences.getEditor("CppFoldPreprocessor"))
+ self.setFoldAtElse(Preferences.getEditor("CppFoldAtElse"))
+ indentStyle = 0
+ if Preferences.getEditor("CppIndentOpeningBrace"):
+ indentStyle |= QsciScintilla.AiOpening
+ if Preferences.getEditor("CppIndentClosingBrace"):
+ indentStyle |= QsciScintilla.AiClosing
+ self.setAutoIndentStyle(indentStyle)
+ self.setFoldCompact(Preferences.getEditor("AllFoldCompact"))
+ with contextlib.suppress(AttributeError):
+ self.setDollarsAllowed(Preferences.getEditor("CppDollarsAllowed"))
+ with contextlib.suppress(AttributeError):
+ self.setStylePreprocessor(
+ Preferences.getEditor("CppStylePreprocessor"))
+ with contextlib.suppress(AttributeError):
+ self.setHighlightTripleQuotedStrings(
+ Preferences.getEditor("CppHighlightTripleQuotedStrings"))
+ with contextlib.suppress(AttributeError):
+ self.setHighlightHashQuotedStrings(
+ Preferences.getEditor("CppHighlightHashQuotedStrings"))
+ with contextlib.suppress(AttributeError):
+ self.setHighlightBackQuotedStrings(
+ Preferences.getEditor("CppHighlightBackQuotedStrings"))
+ with contextlib.suppress(AttributeError):
+ self.setHighlightEscapeSequences(
+ Preferences.getEditor("CppHighlightEscapeSequences"))
+ with contextlib.suppress(AttributeError):
+ self.setVerbatimStringEscapeSequencesAllowed(
+ Preferences.getEditor(
+ "CppVerbatimStringEscapeSequencesAllowed"))
+
+ def autoCompletionWordSeparators(self):
+ """
+ Public method to return the list of separators for autocompletion.
+
+ @return list of separators (list of strings)
+ """
+ return ['::', '->', '.']
+
+ def isCommentStyle(self, style):
+ """
+ Public method to check, if a style is a comment style.
+
+ @param style style to check (integer)
+ @return flag indicating a comment style (boolean)
+ """
+ return style in [QsciLexerCPP.Comment,
+ QsciLexerCPP.CommentDoc,
+ QsciLexerCPP.CommentLine,
+ QsciLexerCPP.CommentLineDoc]
+
+ def isStringStyle(self, style):
+ """
+ Public method to check, if a style is a string style.
+
+ @param style style to check (integer)
+ @return flag indicating a string style (boolean)
+ """
+ return style in [QsciLexerCPP.DoubleQuotedString,
+ QsciLexerCPP.SingleQuotedString,
+ QsciLexerCPP.UnclosedString,
+ QsciLexerCPP.VerbatimString]
+
+ def defaultKeywords(self, kwSet):
+ """
+ Public method to get the default keywords.
+
+ @param kwSet number of the keyword set (integer)
+ @return string giving the keywords (string) or None
+ """
+ return QsciLexerCPP.keywords(self, kwSet)
+
+ def maximumKeywordSet(self):
+ """
+ Public method to get the maximum keyword set.
+
+ @return maximum keyword set (integer)
+ """
+ return 4
