void Console::keyPressEvent(QKeyEvent* e)
{
switch(e->key()) {
case Qt::Key_Enter:
case Qt::Key_Return:
if(inPromptBlock())
handleReturn();
return;
case Qt::Key_Left:
case Qt::Key_Backspace:
if(handleBackspace()||!inPromptBlock())
return;
break;
case Qt::Key_Down:
case Qt::Key_Up:
return;
case Qt::Key_Right:
case Qt::Key_Home:
case Qt::Key_End:
break;
default:
if(!inPromptBlock()) {
moveCursor(QTextCursor::End,QTextCursor::MoveAnchor);
}
}
QPlainTextEdit::keyPressEvent(e);
}
ExprAST* Parser::handleTopLevelExpr() {
switch (lexer->token) {
case '[':
return handleVarDef();
case Lexer::TOK_RETURN:
return handleReturn();
case Lexer::TOK_IF:
return handleCondition();
case Lexer::TOK_FOR:
return handleForLoop();
case Lexer::TOK_BREAK:
lexer->NextToken();
return new BreakAST();
case Lexer::TOK_CONTINUE:
lexer->NextToken();
return new ContinueAST();
default:
return parseExpression();
}
}
ExprAST *Parser::handlePrimary() {
switch (currentToken.type){
case TOK_IDENT:
return handleIdentifierExpression();
case TOK_NUMBER:
return handleNumberExpression();
case TOK_OPARENTHESES:
return handleParenthesesExpression();
case TOK_TYPE:
return handleType(currentToken.value);
case TOK_RETURN:
return handleReturn();
case TOK_PRINTF:
return handlePrintf();
case TOK_WHILE:
return handleWhile();
case TOK_IF:
return handleIf();
case TOK_NOP:
return handleNop();
default:
return nullptr;
}
}