// parse a script string
static public scriptParserCmd parseString(string s)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
cmd.strCmd = s;
// is comment?
if (isComment(s))
{
cmd.cmd = cmdType.comment;
cmd.error = false;
return(cmd);
}
// try to parse
var reg = Regex.Match(s, @"\b(\w+)\s*\({1}\s*(.*)\)\s*;");
if (reg.Success)
{
string funcName = reg.Groups[1].Value.ToLower();
string funcParams = reg.Groups[2].Value;
// try to parse as sleep cmd
cmd = parseSleep(funcName, funcParams);
// try to parse as send cmd
if (cmd.error)
{
cmd = parseSend(funcName, funcParams);
}
// try to parse as read cmd
if (cmd.error)
{
cmd = parseRead(s, funcName, funcParams);
}
// try to parse as trace cmd
if (cmd.error)
{
cmd = parseTrace(funcName, funcParams);
}
// breakpoint
if (cmd.error)
{
cmd = parseBreakpoint(funcName, funcParams);
}
// try to parse as send uds request cmd
if (cmd.error)
{
cmd = parseSendUds(s, funcName, funcParams);
}
if (cmd.error)
{
cmd = parseSendBmw(s, funcName, funcParams);
}
}
cmd.strCmd = s;
return(cmd);
}
// parser
static public scriptParserCmd[] parseText(string txt)
{
// replace '\t'
txt = txt.Replace('\t', ' ');
// remove comments
txt = removeComments(txt);
// remove #if 0 else #endif
txt = removeIfElse(txt);
// remove #if 0
txt = removeIf0(txt);
// defines, as int = ..
txt = applyDefines(txt);
// connect strings
txt = connectStrings(txt);
// split
string[] ls = txt.Split('\n');
for (int i = 0; i < ls.Count(); i++)
{
ls[i] += "\n";
}
// parse
scriptParserCmd[] cmd = new scriptParserCmd[ls.Length];
for (int i = 0; i < ls.Length; i++)
{
cmd[i] = parseString(ls[i]);
}
return(cmd);
}
// parser: breakpoint
static private scriptParserCmd parseBreakpoint(string funcName, string args)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
if (funcName == "breakpoint" && string.IsNullOrEmpty(args))
{
cmd.error = false;
cmd.cmd = cmdType.breakpoint;
}
return(cmd);
}
// parser: sleep message
static private scriptParserCmd parseSleep(string funcName, string args)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
if (funcName == "sleep")
{
int val = 0;
if (canAnalyzer.Tools.tryParseInt(args, out val))
{
// complete
cmd.error = false;
cmd.sleepTmo = val;
cmd.cmd = cmdType.sleep;
}
}
return(cmd);
}
// format: bmw_req(ecu_id, data..);
// example: buff2 = bmw_req(0x60, 0x22, 0xF1, 0x90);
static private scriptParserCmd parseSendBmw(string inString, string funcName, string args)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
// remove spaces
args = args.Replace(" ", "");
if (funcName == "bmw_req" || funcName == "bmw_req11")
{
bool asVar = false;
int varIdx = -1;
// remove spaces
args = args.Replace(" ", "");
inString = inString.Replace(" ", "");
// should we save a response as a variable?
for (int i = 0; i < 10 && !asVar; i++)
{
string txt = string.Format("arr{0}=", i);
asVar = inString.IndexOf(txt) == 0;
if (asVar)
{
varIdx = i;
}
}
string[] paramList = args.Split(',');
if (paramList.Length > 1 && paramList.Length <= 5)
{
// ecu_id, data (1..5)
int ecu_id = 0;
int dlc = paramList.Length - 1;
List <string> sData = new List <string>();
bool failed = false;
object calc = null;
// ecalute: req id
calc = canAnalyzer.MyCalc.evaluate(paramList[0]);
failed = calc == null;
if (!failed)
{
ecu_id = canAnalyzer.MyCalc.objToI32(calc);
}
if (!failed)
{
failed = ecu_id == 0 || ecu_id > 0xFF;
}
// evaluate: data bytes
for (int i = 1; i < paramList.Length && !failed; i++)
{
string param = paramList[i];
string s_byte = null;
calc = canAnalyzer.MyCalc.evaluate(param);
failed = calc == null;
// just append
if (!failed)
{
byte b = canAnalyzer.MyCalc.objToByte(calc);
s_byte = b.ToString();
}
else
{
string s_tmp = null;
// may contain variables
if (param.Contains("var"))
{
const string pattern = @"var\d\[\s*\d\s*\]";
s_tmp = Regex.Replace(param, pattern, "1", RegexOptions.Singleline);
}
// evaluate
if (s_tmp != null)
{
calc = canAnalyzer.MyCalc.evaluate(s_tmp);
failed = calc == null;
// append
if (!failed)
{
s_byte = param.ToString();
}
}
}
// append
if (!failed)
{
if (s_byte != null)
{
sData.Add(s_byte);
}
else
{
failed = true;
}
}
}
if (!failed)
{
cmd.cmd = cmdType.udsReqSend;
cmd.paramsUdsReq = new cmdUdsReqParams((byte)(ecu_id), sData.ToArray(), asVar, varIdx);
cmd.error = false;
}
}
}
return(cmd);
}
// format: printf("format", arg1, arg2, ..);
// example: printf("rpm = %d", var[0] << 8 | var[1]);
static private scriptParserCmd parseTrace(string funcName, string args)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
if (funcName == "printf")
{
cmd.cmd = cmdType.trace;
string[] argList = new string[args.Length - 1];
var regFormat = Regex.Match(args, "\".*\"");
if (regFormat.Success)
{
string s = args.Replace(regFormat.Value, "");
s = s.Replace(" ", "");
if (s.Length > 0 && s[0] == ',')
{
s = s.Remove(0, 1);
}
string format = regFormat.Value;
List <string> ls = new List <string>(s.Split(','));
for (int i = 0; i < ls.Count; i++)
{
if (string.IsNullOrEmpty(ls[i]))
{
ls.RemoveAt(i);
}
}
// %x, %02x == X, X2
// %d
// %f
// List<string> lsFormat = new List<string>();
// check skobochki
foreach (string str in ls)
{
int open = 0, close = 0;
open = str.ToCharArray().Where(i => i == '(').Count();
close = str.ToCharArray().Where(i => i == ')').Count();
if (open != close)
{
return(cmd);
}
}
// extra format parser
// {s0-s6}
// {0-6}
var regFormatVarsAsArray = Regex.Matches(format, @"{(\d+)-(\d+)}");
foreach (Match v in regFormatVarsAsArray)
{
string s1 = v.Groups[1].ToString();
string s2 = v.Groups[2].ToString();
int i1 = Convert.ToInt32(s1);
int i2 = Convert.ToInt32(s2);
if (i2 > i1)
{
string newFormat = string.Empty;
for (int i = i1; i <= i2; i++)
{
newFormat += "{" + i.ToString() + "}";
}
format = format.Replace(v.Groups[0].ToString(), newFormat);
}
}
var regFormatVarsStrAsArray = Regex.Matches(format, @"{s(\d+)-s(\d+)}");
foreach (Match v in regFormatVarsStrAsArray)
{
string s1 = v.Groups[1].ToString();
string s2 = v.Groups[2].ToString();
int i1 = Convert.ToInt32(s1);
int i2 = Convert.ToInt32(s2);
if (i2 > i1)
{
string newFormat = string.Empty;
for (int i = i1; i <= i2; i++)
{
newFormat += "{s" + i.ToString() + "}";
}
format = format.Replace(v.Groups[0].ToString(), newFormat);
}
}
cmd.cmd = cmdType.trace;
cmd.paramsTrace = new cmdTrace(format, ls.ToArray());
cmd.error = false;
}
}
return(cmd);
}
// format: read(0x316, 1000, **, 0x*F, 0x33, ***);
// var2 = read(0x123, ***);
static private scriptParserCmd parseRead(string inString, string funcName, string args)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
if (funcName == "read" || funcName == "read11" || funcName == "read29")
{
string inString_original = inString;
// remove spaces
args = args.Replace(" ", "");
inString = inString.Replace(" ", "");
bool is29bit = funcName.Contains("29");
bool asVar = false;
int varIdx = -1;
// should we save a response as a variable?
for (int i = 0; i <= 9 && !asVar; i++)
{
string txt = string.Format("var{0}=", i);
asVar = inString.IndexOf(txt) == 0;
if (asVar)
{
varIdx = i;
}
}
// parse all the arguments
string[] paramList = args.Split(',');
if (paramList.Length > 2 && paramList.Length <= 10)
{
// id, tmo, data mask (1..8)
int canID = -1;
string canIdPattern = string.Empty;
int tmo = -1;
string mask = args.Substring(paramList[0].Length + paramList[1].Length + 2); // +2 commas
string[] dataMask = mask.Split(',');
bool failed = false;
// get CAN id
if (!parseReadId(paramList[0], is29bit, out canID, out canIdPattern))
{
canID = -1;
canIdPattern = string.Empty;
failed = true;
}
// timeout
tmo = parseReadTimeout(paramList[1]);
if (tmo <= 0)
{
failed = true;
}
int minDLC = -1;
for (int i = 0; i < dataMask.Length && -1 == minDLC; i++)
{
if (dataMask[i].Contains("***"))
{
minDLC = i;
}
}
// get a var name
/*
* var regVarName = Regex.Match(inString, @"var\s+(\w+)\s*=");
* string varName = string.Empty;
* if (regVarName.Success)
* varName = regVarName.Groups[1].ToString();
*/
if (!failed)
{
cmd.cmd = cmdType.read;
cmd.paramsRead = new cmdReadParams(canID, dataMask, is29bit, tmo, minDLC, asVar, varIdx);
cmd.error = false;
}
}
}
return(cmd);
}
// parser: send a CAN message
static private scriptParserCmd parseSend(string funcName, string args)
{
// create a new cmd
scriptParserCmd cmd = new scriptParserCmd();
cmd.error = true;
// remove spaces
args = args.Replace(" ", "");
if (funcName == "send" || funcName == "send11" || funcName == "send29")
{
bool is29bit = funcName.Contains("29");
string[] paramList = args.Split(',');
if (paramList.Length >= 2 && paramList.Length <= 9)
{
// id, data (1..8)
int canID = -1;
int dlc = paramList.Length - 1;
string[] sData = new string[dlc];
bool failed = false;
object calc = null;
// ecalute: can id
//int val = -1;
calc = canAnalyzer.MyCalc.evaluate(paramList[0]);
failed = (calc == null) ||
(Convert.ToInt32(calc) > canAnalyzer.canMessageId.GetMaxId(is29bit));
if (!failed)
{
canID = canAnalyzer.MyCalc.objToI32(calc);
}
// evaluate: data bytes
for (int i = 1; i < paramList.Length && !failed; i++)
{
string param = paramList[i];
string s_byte = null;
calc = canAnalyzer.MyCalc.evaluate(param);
failed = calc == null;
// just append
if (!failed)
{
byte b = canAnalyzer.MyCalc.objToByte(calc);
s_byte = b.ToString();
}
else
{
string s_tmp = null;
// may contain variables
if (param.Contains("var"))
{
const string pattern = @"var\d\[\s*\d\s*\]";
s_tmp = Regex.Replace(param, pattern, "1", RegexOptions.Singleline);
}
// may contain arrays
if (param.Contains("arr"))
{
const string pattern = @"arr\d\[\s*\d\s*\]";
s_tmp = Regex.Replace(param, pattern, "1", RegexOptions.Singleline);
}
// evaluate
if (s_tmp != null)
{
calc = canAnalyzer.MyCalc.evaluate(s_tmp);
failed = calc == null;
// append
if (!failed)
{
s_byte = param.ToString();
}
}
}
// append
if (!failed)
{
if (s_byte != null)
{
sData[i - 1] = s_byte;
}
else
{
failed = true;
}
}
}
if (!failed)
{
cmd.cmd = cmdType.send;
cmd.paramsSend = new cmdSendParams(canID, sData, is29bit);
cmd.error = false;
}
}
}
return(cmd);
}
