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Add optional, automatic OOM logger parsing for ESP8266 w/low-overhead OOM #30

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Add optional, automatic OOM logger parsing for ESP8266 w/low-overhead OOM #30

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45 changes: 45 additions & 0 deletions src/EspExceptionDecoder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -382,9 +382,54 @@ private void parseText(){
sysExec(command);
}

private void parseAlloc() {
String content = inputArea.getText();
Pattern p = Pattern.compile("last failed alloc call: 40[0-2](\\d|[-A-F]){5}\\((\\d)+\\)");
Matcher m = p.matcher(content);
if (m.find()) {
String fs = content.substring(m.start(), m.end());
Pattern p2 = Pattern.compile("40[0-2](\\d|[A-F]){5}\\b");
Matcher m2 = p2.matcher(fs);
if (m2.find()) {
String addr = fs.substring(m2.start(), m2.end());
Pattern p3 = Pattern.compile("\\((\\d)+\\)");
Matcher m3 = p3.matcher(fs);
if (m3.find()) {
String size = fs.substring(m3.start()+1, m3.end()-1);

String command[] = new String[5];
command[0] = tool.getAbsolutePath();
command[1] = "-aipfC";
command[2] = "-e";
command[3] = elf.getAbsolutePath();
command[4] = addr;

try {
final Process proc = ProcessUtils.exec(command);
InputStreamReader reader = new InputStreamReader(proc.getInputStream());
int c;
String line = "";
while ((c = reader.read()) != -1){
if((char)c == '\r')
continue;
if((char)c == '\n' && line != ""){
outputText += "Memory allocation of " + size + " bytes failed at " + line + "\n";
break;
} else {
line += (char)c;
}
}
reader.close();
} catch (Exception er) { }
}
}
}
}

private void runParser(){
outputText = "<html><pre>\n";
parseException();
parseAlloc();
parseText();
}

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