Method getIntExprValue

erpcgen/src/SymbolScanner.cpp:1606–1647

}

uint64_t SymbolScanner::getIntExprValue(const AstNode *exprNode)
{
    /* Check that this node is really an expr. */
    const Token &tok = exprNode->getToken();
    assert_throw_internal((tok.getToken() == TOK_EXPR), "node expected to be an expr is not");

    /* Get the expr's value child node. */
    AstNode *valueNode = const_cast<AstNode *>(exprNode)->getChild(0);
    Token &tok2 = valueNode->getToken();

    /* If token is not an identifier, it must be either a binary expression
       that simplifies to an int literal or an int literal */
    if (tok2.isIdentifierTok())
    {
        Value *val = getValueFromSymbol(tok2);
        if (val == nullptr || kIntegerValue != val->getType())
        {
            if (val != nullptr)
            {
                delete val;
            }
            throw semantic_error(format_string("line %d: expected integer expression", tok2.getFirstLine()));
        }
        assert(nullptr != dynamic_cast<IntegerValue *>(val));
        uint64_t result = dynamic_cast<IntegerValue *>(val)->getValue();
        delete val;
        return result;
    }
    /* If it is a binary expression, simplify expression and get the value from
       the re-written token. */
    else if (tok2.isBinaryOp())
    {
        walk(valueNode);
    }
    Token &valueToken = const_cast<AstNode *>(exprNode)->getChild(0)->getToken();
    if (valueToken.getToken() != TOK_INT_LITERAL)
    {
        throw semantic_error(format_string("line %d: expected integer expression", tok2.getFirstLine()));
    }

    return valueToken.getIntValue();
}

void SymbolScanner::addAnnotations(AstNode *childNode, Symbol *symbol)
{