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133 lines
3.4 KiB
C++
133 lines
3.4 KiB
C++
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#include "scripthighlighter.hpp"
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#include <sstream>
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#include <components/compiler/scanner.hpp>
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#include <components/compiler/extensions0.hpp>
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bool CSVWorld::ScriptHighlighter::parseInt (int value, const Compiler::TokenLoc& loc,
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Compiler::Scanner& scanner)
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{
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highlight (loc, Type_Int);
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return true;
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}
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bool CSVWorld::ScriptHighlighter::parseFloat (float value, const Compiler::TokenLoc& loc,
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Compiler::Scanner& scanner)
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{
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highlight (loc, Type_Float);
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return true;
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}
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bool CSVWorld::ScriptHighlighter::parseName (const std::string& name, const Compiler::TokenLoc& loc,
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Compiler::Scanner& scanner)
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{
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highlight (loc, mContext.isId (name) ? Type_Id : Type_Name);
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return true;
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}
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bool CSVWorld::ScriptHighlighter::parseKeyword (int keyword, const Compiler::TokenLoc& loc,
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Compiler::Scanner& scanner)
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{
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highlight (loc, Type_Keyword);
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return true;
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}
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bool CSVWorld::ScriptHighlighter::parseSpecial (int code, const Compiler::TokenLoc& loc,
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Compiler::Scanner& scanner)
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{
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highlight (loc, Type_Special);
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return true;
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}
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bool CSVWorld::ScriptHighlighter::parseComment (const std::string& comment,
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const Compiler::TokenLoc& loc, Compiler::Scanner& scanner)
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{
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highlight (loc, Type_Comment);
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return true;
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}
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void CSVWorld::ScriptHighlighter::parseEOF (Compiler::Scanner& scanner)
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{}
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void CSVWorld::ScriptHighlighter::highlight (const Compiler::TokenLoc& loc, Type type)
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{
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int length = static_cast<int> (loc.mLiteral.size());
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int index = loc.mColumn;
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// compensate for bug in Compiler::Scanner (position of token is the character after the token)
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index -= length;
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setFormat (index, length, mScheme[type]);
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}
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CSVWorld::ScriptHighlighter::ScriptHighlighter (const CSMWorld::Data& data, QTextDocument *parent)
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: QSyntaxHighlighter (parent), Compiler::Parser (mErrorHandler, mContext), mContext (data)
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{
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/// \todo replace this with user settings
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{
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QTextCharFormat format;
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format.setForeground (Qt::darkMagenta);
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mScheme.insert (std::make_pair (Type_Int, format));
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}
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{
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QTextCharFormat format;
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format.setForeground (Qt::magenta);
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mScheme.insert (std::make_pair (Type_Float, format));
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}
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{
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QTextCharFormat format;
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format.setForeground (Qt::gray);
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mScheme.insert (std::make_pair (Type_Name, format));
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}
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{
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QTextCharFormat format;
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format.setForeground (Qt::red);
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mScheme.insert (std::make_pair (Type_Keyword, format));
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}
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{
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QTextCharFormat format;
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format.setForeground (Qt::darkYellow);
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mScheme.insert (std::make_pair (Type_Special, format));
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}
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{
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QTextCharFormat format;
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format.setForeground (Qt::green);
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mScheme.insert (std::make_pair (Type_Comment, format));
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}
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{
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QTextCharFormat format;
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format.setForeground (Qt::blue);
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mScheme.insert (std::make_pair (Type_Id, format));
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}
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// configure compiler
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Compiler::registerExtensions (mExtensions);
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mContext.setExtensions (&mExtensions);
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}
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void CSVWorld::ScriptHighlighter::highlightBlock (const QString& text)
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{
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std::istringstream stream (text.toUtf8().constData());
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Compiler::Scanner scanner (mErrorHandler, stream, mContext.getExtensions());
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try
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{
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scanner.scan (*this);
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}
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catch (...) {} // ignore syntax errors
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}
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void CSVWorld::ScriptHighlighter::invalidateIds()
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{
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mContext.invalidateIds();
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} |