--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eric7/QScintilla/Lexers/LexerPerl.py Sat May 15 18:45:04 2021 +0200 @@ -0,0 +1,90 @@ +# -*- coding: utf-8 -*- + +# Copyright (c) 2004 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> +# + +""" +Module implementing a Perl lexer with some additional methods. +""" + +import contextlib + +from PyQt5.Qsci import QsciLexerPerl + +from .Lexer import Lexer +import Preferences + + +class LexerPerl(Lexer, QsciLexerPerl): + """ + Subclass to implement some additional lexer dependant methods. + """ + def __init__(self, parent=None): + """ + Constructor + + @param parent parent widget of this lexer + """ + QsciLexerPerl.__init__(self, parent) + Lexer.__init__(self) + + self.commentString = "#" + + self.keywordSetDescriptions = [ + self.tr("Keywords"), + ] + + def initProperties(self): + """ + Public slot to initialize the properties. + """ + self.setFoldComments(Preferences.getEditor("PerlFoldComment")) + self.setFoldCompact(Preferences.getEditor("AllFoldCompact")) + with contextlib.suppress(AttributeError): + self.setFoldPackages(Preferences.getEditor("PerlFoldPackages")) + self.setFoldPODBlocks(Preferences.getEditor("PerlFoldPODBlocks")) + with contextlib.suppress(AttributeError): + self.setFoldAtElse(Preferences.getEditor("PerlFoldAtElse")) + + 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 [QsciLexerPerl.Comment] + + 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 [QsciLexerPerl.DoubleQuotedHereDocument, + QsciLexerPerl.DoubleQuotedString, + QsciLexerPerl.QuotedStringQ, + QsciLexerPerl.QuotedStringQQ, + QsciLexerPerl.QuotedStringQR, + QsciLexerPerl.QuotedStringQW, + QsciLexerPerl.QuotedStringQX, + QsciLexerPerl.SingleQuotedHereDocument, + QsciLexerPerl.SingleQuotedString] + + 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 QsciLexerPerl.keywords(self, kwSet)