Files
archived-Reclass/third_party/qscintilla/src/qscilexerlua.cpp

369 lines
8.4 KiB
C++

// This module implements the QsciLexerLua class.
//
// Copyright (c) 2023 Riverbank Computing Limited <info@riverbankcomputing.com>
//
// This file is part of QScintilla.
//
// This file may be used under the terms of the GNU General Public License
// version 3.0 as published by the Free Software Foundation and appearing in
// the file LICENSE included in the packaging of this file. Please review the
// following information to ensure the GNU General Public License version 3.0
// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
//
// If you do not wish to use this file under the terms of the GPL version 3.0
// then you may purchase a commercial license. For more information contact
// info@riverbankcomputing.com.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#include "Qsci/qscilexerlua.h"
#include <qcolor.h>
#include <qfont.h>
#include <qsettings.h>
// The ctor.
QsciLexerLua::QsciLexerLua(QObject *parent)
: QsciLexer(parent), fold_compact(true)
{
}
// The dtor.
QsciLexerLua::~QsciLexerLua()
{
}
// Returns the language name.
const char *QsciLexerLua::language() const
{
return "Lua";
}
// Returns the lexer name.
const char *QsciLexerLua::lexer() const
{
return "lua";
}
// Return the set of character sequences that can separate auto-completion
// words.
QStringList QsciLexerLua::autoCompletionWordSeparators() const
{
QStringList wl;
wl << ":" << ".";
return wl;
}
// Return the list of characters that can start a block.
const char *QsciLexerLua::blockStart(int *style) const
{
if (style)
*style = Operator;
return "";
}
// Return the style used for braces.
int QsciLexerLua::braceStyle() const
{
return Operator;
}
// Returns the foreground colour of the text for a style.
QColor QsciLexerLua::defaultColor(int style) const
{
switch (style)
{
case Default:
return QColor(0x00,0x00,0x00);
case Comment:
case LineComment:
return QColor(0x00,0x7f,0x00);
case Number:
return QColor(0x00,0x7f,0x7f);
case Keyword:
case BasicFunctions:
case StringTableMathsFunctions:
case CoroutinesIOSystemFacilities:
return QColor(0x00,0x00,0x7f);
case String:
case Character:
case LiteralString:
return QColor(0x7f,0x00,0x7f);
case Preprocessor:
case Label:
return QColor(0x7f,0x7f,0x00);
case Operator:
case Identifier:
break;
}
return QsciLexer::defaultColor(style);
}
// Returns the end-of-line fill for a style.
bool QsciLexerLua::defaultEolFill(int style) const
{
if (style == Comment || style == UnclosedString)
return true;
return QsciLexer::defaultEolFill(style);
}
// Returns the font of the text for a style.
QFont QsciLexerLua::defaultFont(int style) const
{
QFont f;
switch (style)
{
case Comment:
case LineComment:
case LiteralString:
#if defined(Q_OS_WIN)
f = QFont("Comic Sans MS",9);
#elif defined(Q_OS_MAC)
f = QFont("Comic Sans MS", 12);
#else
f = QFont("Bitstream Vera Serif",9);
#endif
break;
default:
f = QsciLexer::defaultFont(style);
}
return f;
}
// Returns the set of keywords.
const char *QsciLexerLua::keywords(int set) const
{
if (set == 1)
// Keywords.
return
"and break do else elseif end false for function if "
"in local nil not or repeat return then true until "
"while";
if (set == 2)
// Basic functions.
return
"_ALERT _ERRORMESSAGE _INPUT _PROMPT _OUTPUT _STDERR "
"_STDIN _STDOUT call dostring foreach foreachi getn "
"globals newtype rawget rawset require sort tinsert "
"tremove "
"G getfenv getmetatable ipairs loadlib next pairs "
"pcall rawegal rawget rawset require setfenv "
"setmetatable xpcall string table math coroutine io "
"os debug";
if (set == 3)
// String, table and maths functions.
return
"abs acos asin atan atan2 ceil cos deg exp floor "
"format frexp gsub ldexp log log10 max min mod rad "
"random randomseed sin sqrt strbyte strchar strfind "
"strlen strlower strrep strsub strupper tan "
"string.byte string.char string.dump string.find "
"string.len string.lower string.rep string.sub "
"string.upper string.format string.gfind string.gsub "
"table.concat table.foreach table.foreachi table.getn "
"table.sort table.insert table.remove table.setn "
"math.abs math.acos math.asin math.atan math.atan2 "
"math.ceil math.cos math.deg math.exp math.floor "
"math.frexp math.ldexp math.log math.log10 math.max "
"math.min math.mod math.pi math.rad math.random "
"math.randomseed math.sin math.sqrt math.tan";
if (set == 4)
// Coroutine, I/O and system facilities.
return
"openfile closefile readfrom writeto appendto remove "
"rename flush seek tmpfile tmpname read write clock "
"date difftime execute exit getenv setlocale time "
"coroutine.create coroutine.resume coroutine.status "
"coroutine.wrap coroutine.yield io.close io.flush "
"io.input io.lines io.open io.output io.read "
"io.tmpfile io.type io.write io.stdin io.stdout "
"io.stderr os.clock os.date os.difftime os.execute "
"os.exit os.getenv os.remove os.rename os.setlocale "
"os.time os.tmpname";
return 0;
}
// Returns the user name of a style.
QString QsciLexerLua::description(int style) const
{
switch (style)
{
case Default:
return tr("Default");
case Comment:
return tr("Comment");
case LineComment:
return tr("Line comment");
case Number:
return tr("Number");
case Keyword:
return tr("Keyword");
case String:
return tr("String");
case Character:
return tr("Character");
case LiteralString:
return tr("Literal string");
case Preprocessor:
return tr("Preprocessor");
case Operator:
return tr("Operator");
case Identifier:
return tr("Identifier");
case UnclosedString:
return tr("Unclosed string");
case BasicFunctions:
return tr("Basic functions");
case StringTableMathsFunctions:
return tr("String, table and maths functions");
case CoroutinesIOSystemFacilities:
return tr("Coroutines, i/o and system facilities");
case KeywordSet5:
return tr("User defined 1");
case KeywordSet6:
return tr("User defined 2");
case KeywordSet7:
return tr("User defined 3");
case KeywordSet8:
return tr("User defined 4");
case Label:
return tr("Label");
}
return QString();
}
// Returns the background colour of the text for a style.
QColor QsciLexerLua::defaultPaper(int style) const
{
switch (style)
{
case Comment:
return QColor(0xd0,0xf0,0xf0);
case LiteralString:
return QColor(0xe0,0xff,0xff);
case UnclosedString:
return QColor(0xe0,0xc0,0xe0);
case BasicFunctions:
return QColor(0xd0,0xff,0xd0);
case StringTableMathsFunctions:
return QColor(0xd0,0xd0,0xff);
case CoroutinesIOSystemFacilities:
return QColor(0xff,0xd0,0xd0);
}
return QsciLexer::defaultPaper(style);
}
// Refresh all properties.
void QsciLexerLua::refreshProperties()
{
setCompactProp();
}
// Read properties from the settings.
bool QsciLexerLua::readProperties(QSettings &qs,const QString &prefix)
{
int rc = true;
fold_compact = qs.value(prefix + "foldcompact", true).toBool();
return rc;
}
// Write properties to the settings.
bool QsciLexerLua::writeProperties(QSettings &qs,const QString &prefix) const
{
int rc = true;
qs.setValue(prefix + "foldcompact", fold_compact);
return rc;
}
// Return true if folds are compact.
bool QsciLexerLua::foldCompact() const
{
return fold_compact;
}
// Set if folds are compact.
void QsciLexerLua::setFoldCompact(bool fold)
{
fold_compact = fold;
setCompactProp();
}
// Set the "fold.compact" property.
void QsciLexerLua::setCompactProp()
{
emit propertyChanged("fold.compact",(fold_compact ? "1" : "0"));
}