Converting format strings to regular expressions
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United States of America Patent
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Sep 4, 2012
Grant Date -
Nov 12, 2009
app pub date -
May 9, 2008
filing date -
May 9, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In one embodiment, a method for correlating log entries in a log file to the line numbers of formatted-string output functions in source code, where the formatted-string output functions contain instructions to generate the log entries in the log file. The method includes locating the formatted-string output functions in the source code, where each formatted-string output function contains a format string. Each format string is processed to generate a corresponding regular expression to match log entries outputted by the corresponding formatted-string output function. Each regular expression is associated with the line number of the corresponding formatted-string output function. The resultant list of regular expressions and corresponding line numbers is processed with the log file, where log entries in the log file are modified to indicate the line numbers associated with matching regular expressions.
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