script "SymbolicatorScript"

constant kLiveCodeAppId = "com.runrev.livecode"

constant kStagingUrl = "https://downloads.livecode.com/livecode/staging"

constant kShortFlags = "v,d,h"

constant kLongFlags = "verbose,debug,help,fetch,hang"

constant kValueOptions = "repo,cache-dir,symbol-dir,version,staging-url,edition,output"

local sDebugging

local sVerbose

local sHangReport

---------------------------------------

---------- COMMAND-LINE TOOL ----------

---------------------------------------

on startup

local tValidArgs

put getValidArgs() into tValidArgs

-- Convert the command-line arguments into an array for easier reference

local tArgs

try

put arrayifyArguments(tValidArgs) into tArgs

catch tError

write "Error processing arguments:" && tError & return to stderr

quit -1

end try

-- If help was requested, show it then exit

if the number of elements of tArgs is zero or "help" is among the keys of tArgs then

showHelp

quit 0

end if

if "hang" is among the keys of tArgs then put true into sHangReport

-- Show debugging information?

if "d" or "debug" is among the keys of tArgs then put true into sDebugging

-- Show verbose information?

if "v" or "verbose" is among the keys of tArgs then put true into sVerbose

-- Read the crash log file

local tCrashLog

put url ("file:" & tArgs["__inputs__"]) into tCrashLog

if the result is not empty then

write "Failed to read" && quote & tArgs["__inputs__"] & quote & return to stderr

quit -1

end if

-- Set some default options if they weren't specified

local tGuessSucceeded

local tVersion

local tEdition

put guessVersionAndEdition(tCrashLog, tVersion, tEdition) into tGuessSucceeded

if "staging-url" is not among the keys of tArgs then put kStagingUrl into tArgs["staging-url"]

if "repo" is not among the keys of tArgs then

-- Assumes we're in the main repo folder

if "fetch" is among the keys of tArgs then

-- Use the private repo

set the itemDelimiter to slash

put item 1 to -2 of the current folder into tArgs["repo"]

else

put the current folder into tArgs["repo"]

end if

end if

-- Dump the input arguments to stderr if debugging is enabled

debugPrint dumpArray(tArgs)

-- Check that the mandatory options are present

if "version" is not among the keys of tArgs and not tGuessSucceeded then

write "Error: version could not be auto-detected" & return to stderr

quit -1

end if

if "edition" is not among the keys of tArgs and not tGuessSucceeded then

write "Error: edition could not be auto-detected" & return to stderr

quit -1

end if

if "fetch" is among the keys of tArgs and "cache-dir" is not among the keys of tArgs then

write "Error: cache directory must be specified when fetching symbols" & return to stderr

quit -1

end if

if "fetch" is not among the keys of tArgs and "symbol-dir" is not among the keys of tArgs then

write "Error: directory containing debugging symbols must be specified when not fetching symbols" & return to stderr

quit -1

end if

if "fetch" is among the keys of tArgs and "output" is not among the keys of tArgs then

write "Error: output file must be specified when fetching symbols (interaction may be required)" & return to stderr

quit -1

end if

-- Version and edition of LiveCode we're symbolicating

if "version" is among the keys of tArgs then put tArgs["version"] into tVersion

if "edition" is among the keys of tArgs then put tArgs["edition"] into tEdition

-- Download the symbols for the requested version if necessary

local tSymbolDir

local tSymbolPath

if "fetch" is among the keys of tArgs then

local tCacheDir

local tRepoDir

put tArgs["cache-dir"] into tCacheDir

put tArgs["repo"] into tRepoDir

put pathToSymbolDirForVersion(tCacheDir, tVersion) into tSymbolDir

try

verbosePrint "Downloading debug symbols for" && tVersion && "to" && tSymbolDir

fetchSymbolsForTag tRepoDir, tSymbolDir, tArgs["staging-url"], tVersion

catch tError

write "Error:" && tError & return to stderr

quit -1

end try

else

put pathToSymbolDirForVersion(tArgs["symbol-dir"], tVersion) into tSymbolDir

end if

put pathToSymbolFileForVersion(tSymbolDir, tEdition) into tSymbolPath

-- Process the crashlog file

local tSymbolicatedLog

try

verbosePrint "Symbolicating log"

put symbolicateLog(tCrashLog, tSymbolPath) into tSymbolicatedLog

catch tError

write "Failed to symbolicate crash log:" && tError & return to stderr

quit -1

end try

-- Write the output to the appropriate location

if "output" is not among the keys of tArgs then

write tSymbolicatedLog to stdout

else

local tOutput

put tArgs["output"] into tOutput

put tSymbolicatedLog into url ("file:" & tOutput)

if the result is not empty then write "Failed to write output:" && the result to stderr

quit -1

end if

-- Processing complete

quit 0

end startup

private command showHelp

local tHelpMessage

put \

"LiveCode symbolicator script for OSX engines" & return & \

"Adds symbols to crash logs generated by MacOSX" & return & \

return & \

"Usage:" & return & \

" symbolicate.sh --help" & return & \

" symbolicate.sh [-v|--verbose] [-d|--debug] [--hang] [--repo=...] " & return & \

" [--symbol-dir=...] [--fetch --cache-dir=... [--staging-url=...]] " & return & \

" [--version=...] [--edition=...] [--output=...] input.log" & return & \

return & \

"Options:" & return & \

" --help Displays this message" & return & \

return & \

" --verbose Displays more progress information" & return & \

return & \

" --debug Displays information that may help debug problems with" & return & \

" this script" & return & \

return & \

" --hang Treat the input file as a hang log rather than a crash" & return & \

" log" & return & \

return & \

" --repo=... Path to a current checkout of the LiveCode source code" & return & \

" repository. If not specified, the current directory" & return & \

" will be used." & return & \

return & \

" --symbol-dir=... Path to a directory where the debugging symbols for" & return & \

" the LiveCode engines are stored. This option is" & return & \

" required if --fetch is not specified." & return & \

return & \

" --fetch Automatically fetches the engine debugging symbols" & return & \

" from a staging server. If this option is specified," & return & \

" the --output option is also required as interaction" & return & \

" may be required to authenticate to the server. The" & return & \

" directory into which the symbols will be downloaded" & return & \

" must also be given, using the --cache-dir option." & return & \

return & \

" --cache-dir=... Directory to which symbols will be downloaded when" & return & \

" the --fetch option is specified. (Once fetched, these" & return & \

" symbols can be re-used by specifying this directory as" & return & \

" the --symbol-dir in future invocations)." & return & \

return & \

" --staging-url=... When fetching symbols, the URL to the staging server" & return & \

" that contains the archived debugging symbols. If not" & return & \

" specified, the default LiveCode Ltd. staging server" & return & \

" will be used; this server is not currently publicly" & return & \

" accessible." & return & \

return & \

" --version=... Version of the engine the crash log is from. If not" & return & \

" given, the script will attempt to auto-detect it." & return & \

return & \

" --edition=... One of 'community', 'indy' or 'business'; identifies" & return & \

" the edition of LiveCode the crash log is from. If not" & return & \

" given, the script will attempt to auto-detect it." & return & \

return & \

" --output=... Path to the file to which the symbolicated log will be" & return & \

" written. If --fetch has been specified, this option is" & return & \

" required as user interaction may be required. Any" & return & \

" existing contents of this file will be overwritten. If" & return & \

" not given, the output will be written to stdout." & return & \

return & \

" input.log Path to the log that should be symbolicated. Only one" & return & \

" input file may be specified." & return & \

return \

into tHelpMessage

write tHelpMessage to stdout

end showHelp

private command debugPrint pString

if sDebugging then write pString & return to stderr

end debugPrint

private command verbosePrint pString

if sVerbose then write pString & return to stderr

end verbosePrint

private function getValidArgs

local tValidArgs

local tShortFlags

local tLongFlags

local tValueOptions

put kShortFlags into tShortFlags

put kLongFlags into tLongFlags

put kValueOptions into tValueOptions

split tShortFlags by comma as set

split tLongFlags by comma as set

split tValueOptions by comma as set

put tShortFlags into tValidArgs["short_flag_arg"]

put tLongFlags into tValidArgs["long_flag_arg"]

put tValueOptions into tValidArgs["value_arg"]

return tValidArgs

end getValidArgs

-- Used by the arrayifyArguments function to add options into the argument array

private command addValueOptionToArgArray @xArgArray, pOptionName, pOptionValue

-- Add this option to the array. This is done in a "smart" manner:

-- if the array already contains an option of this name, they are accumulated into a sub-array

-- otherwise, the array value is set directly to the option value

if pOptionName is among the keys of xArgArray then

-- If the option has already been made into an array, just append the option value

if xArgArray[pOptionName] is an array then

put pOptionValue into xArgArray[pOptionName][the number of lines in the keys of xArgArray[pOptionName] + 1]

else

-- Convert the option into a sub-array

local tCurrentValue

local tIndex

put 1 into tIndex

if pOptionName is among the keys of xArgArray then

put xArgArray[pOptionName] into tCurrentValue

put tCurrentValue into xArgArray[pOptionName][1]

put 2 into tIndex

end if

put pOptionValue into xArgArray[pOptionName][tIndex]

end if

else

-- Simply add the option into the array

put pOptionValue into xArgArray[pOptionName]

end if

end addValueOptionToArgArray

-- Validates a command-line argument

private command validateArgument pValidArgs, pOptionName, pType

switch pType

case "value"

-- Is this a valid name for an argument with a value?

if pOptionName is not among the keys of pValidArgs["value_arg"] then

-- Better error messages!

if pOptionName is among the keys of pValidArgs["long_flag_arg"] then

throw "option" && quote & "--" & pOptionName & quote && "does not take a value"

else

throw "unknown option" && quote & pOptionName & quote

end if

end if

break

case "long"

-- Is this a valid name for an argument without a value?

if pOptionName is not among the keys of pValidArgs["long_flag_arg"] then

-- Better error messages!

if pOptionName is among the keys of pValidArgs["value_arg"] then

throw "option" && quote & "--" & pOptionName & quote && "requires a value"

else

throw "unknown option" && quote & pOptionName & quote

end if

end if

break

case "short"

-- Is this a valid short flag argument?

if pOptionName is not among the keys of pValidArgs["short_flag_arg"] then

throw "unknown flag" && quote & "-" & pOptionName & quote

end if

break

end switch

end validateArgument

-- Processes command-line argumenst into an array

-- NOTE: all arguments taking values begin "--" while those that are flags begin "-"

-- Flags using "-" may be specified together (e.g. "-a -b" and "-ab" are the same)

-- For arguments taking values, empty values are allowed (on the command line, these would be '--arg=""')

private function arrayifyArguments pValidArgs

-- Loop over the command-line arguments

local tSkipNext

local tNoMoreOptions

repeat with i = 1 to ($# - 1)

local tArg

local tArray

local tOptionName

local tOptionValue

-- Skip this argument if necessary

if tSkipNext then

put false into tSkipNext

next repeat

end if

put the value of ("$" & i) into tArg

-- If this argument begins with "--" then it is an option

if not tNoMoreOptions and tArg begins with "--" then

-- If the option in its entirety is "--", it incidates that all further arguments are inputs, not options

if tArg is "--" then

put true into tNoMoreOptions

else

-- Does this option specify its value directly? (i.e does it contain '='?)

local tEqualsOffset

put offset("=", tArg) into tEqualsOffset

if tEqualsOffset is not zero then

-- Split the option into the option name and value

put char 3 to (tEqualsOffset - 1) of tArg into tOptionName

put char (tEqualsOffset + 1) to -1 of tArg into tOptionValue

-- Options must have a name (i.e "--=" is invalid)

if tOptionName is empty then throw "Option with empty name"

-- Validate the argument

validateArgument pValidArgs, tOptionName, "value"

-- Add the option to the arguments array

addValueOptionToArgArray tArray, tOptionName, tOptionValue

else

-- This option began "--" but doesn't contain an '='; it may or may not take a value

put char 3 to -1 of tArg into tOptionName

if tOptionName is among the keys of pValidArgs["value_arg"] then

-- Argument validation is skipped here as we know it is a valid value arg

-- Get the value from the next argument

put the value of ("$" & (i+1)) into tOptionValue

-- Add the option to the arguments array

addValueOptionToArgArray tArray, tOptionName, tOptionValue

-- Don't try to process the next argument as we've already consumed it

put true into tSkipNext

else

-- Validate the argument

validateArgument pValidArgs, tOptionName, "long"

-- This argument is a boolean; set it to true

put true into tArray[tOptionName]

end if

end if

end if

else if not tNoMoreOptions and tArg begins with "-" then

-- If the option begins with "-" then it is a flag argument. Multiple flags may be joined.

local tFlags

put char 2 to -1 of tArg into tFlags

repeat for each char tFlag in tFlags

-- Validate this flag then add it to the argument array

validateArgument pValidArgs, tFlag, "short"

put true into tArray[tOptionName]

end repeat

else

-- This is an input

addValueOptionToArgArray tArray, "__inputs__", tArg

end if

end repeat

return tArray

end arrayifyArguments

-- Formats an array nicely for debugging output purposes

private function dumpArray pArray

return doDumpArray(pArray, 0)

end dumpArray

private function doDumpArray pArray, pDepth

local tOutput

local tPadding

repeat with i = 1 to pDepth

put space after tPadding

end repeat

put tPadding & "{" & return after tOutput

repeat for each line tKey in the keys of pArray

put tPadding && quote & tKey & quote && ":" & space after tOutput

if pArray[tKey] is an array then

put return & doDumpArray(pArray[tKey], pDepth+1) after tOutput

else if pArray[tKey] is a number then

put pArray[tKey] & return after tOutput

else

put quote & pArray[tKey] & quote & return after tOutput

end if

end repeat

put tPadding & "}" & return after tOutput

return tOutput

end doDumpArray

----------------------------------------------------

---------- GIT-WRANGLING & STAGED SYMBOLS ----------

----------------------------------------------------

-- Returns the path to the symbol file for the given version tag and edition

private function pathToSymbolFileForVersion pSymbolDir, pEdition

local tEditionCanonical

put toUpper(char 1 of pEdition) & toLower(char 2 to -1 of pEdition) into tEditionCanonical

return pSymbolDir & "/LiveCode-" & tEditionCanonical & ".app"

end pathToSymbolFileForVersion

-- Returns the path to the symbol directory for the given version tag

private function pathToSymbolDirForVersion pCacheDir, pVersion

return pCacheDir & "/" & pVersion

end pathToSymbolDirForVersion

-- Downloads the symbol files for the given git tag to hte given directory

private command fetchSymbolsForTag pRepoPath, pOutputDir, pServerPath, pTag

local tFullVersion

local tCommitHash

put commitHashForTag(pRepoPath, pTag) into tCommitHash

verbosePrint "Commit hash for tag" && pTag && "is" && tCommitHash

put fullVersionForTag(pRepoPath, pTag) into tFullVersion

verbosePrint "Full version for tag" && pTag && "is" && quote & tFullVersion & quote

fetchSymbolsForRevision pOutputDir, pServerPath, tFullVersion, tCommitHash

end fetchSymbolsForTag

-- Uses the git repo at the given path to find the commit hash for the given version tag

private function commitHashForTag pRepoPath, pTag

-- Run git in the repo directory to get the tag

get shell ("git --git-dir" && escapeArg(pRepoPath & "/.git") && "rev-list -n 1" && escapeArg(pTag))

if the result is not zero then throw "unable to get commit hash for tag" && quote & pTag & quote & ":" && it

return line 1 of it

end commitHashForTag

-- Uses the git repo at the given path to find the full version number for the given version tag

private function fullVersionForTag pRepoPath, pTag

-- Is the repo the main one?

local tMainRepoPath

local tMainRepoHash

if there is not a file (pRepoPath & "/version") then

-- Get the commit hash for the main repo

get shell ("git --git-dir" && escapeArg(pRepoPath & "/.git") && "rev-parse" && pTag & "^{commit}:livecode")

if the result is not zero then throw "unable to get main repo submodule pointer:" && it

put line 1 of it into tMainRepoHash

put pRepoPath & "/livecode" into tMainRepoPath

else

put pRepoPath into tMainRepoPath

put commitHashForTag(pRepoPath, pTag) into tMainRepoHash

end if

-- Get the contents of the version file

local tVersionFile

put versionFileForCommit(tMainRepoPath, tMainRepoHash) into tVersionFile

-- Find the line containing the full version name

local tVersionOffset

put lineOffset("BUILD_LONG_VERSION", tVersionFile) into tVersionOffset

if tVersionOffset is zero then throw "could not parse version file"

-- The full version is everything after the '='

return word 3 to -1 of line tVersionOffset of tVersionFile

end fullVersionForTag

-- Given a main repo path and main repo commit hash, returns the contents of the version file

private function versionFileForCommit pRepoPath, pCommitHash

-- Tell git to write the contents of the version file out to stdout

get shell ("git --git-dir" && escapeArg(pRepoPath & "/.git") && "show" && pCommitHash & ":version")

if the result is not zero then throw "unable to get version file from git repo:" && it

return it

end versionFileForCommit

private command getServerCredentials pURL, @rUsername, @rPassword

-- TODO: disable echo for password

write "Enter your username for" && pURL && ": " to stdout

read from stdin for 1 line

put line 1 of it into rUsername

write "Enter your password for" && pURL && ": " to stdout

read from stdin for 1 line

put line 1 of it into rPassword

end getServerCredentials

-- Downloads the symbols from the (non-public!) staging area for the given version tag and commit hash

private command fetchSymbolsForRevision pOutputDir, pServerPath, pFullVersion, pCommitHash

-- The full version number may contain spaces that need to be percent-encoded

-- (urlEncode will replace them with '+')

replace space with "%20" in pFullVersion

-- Generate the URL for the file containing the symbols

local tURL, tMacSymbolsZip, tCommitHashLength, tBuildNumber

put char 7 to 11 of pFullVersion into tBuildNumber

if pFullVersion begins with "8" then

if tBuildNumber < 14023 then -- 8.0.0 until 8.1.3

put 7 into tCommitHashLength

put "mac-bin.tar.xz" into tMacSymbolsZip

else if tBuildNumber >= 14023 and tBuildNumber < 14035 then -- 8.1.4 RC-1 until 8.1.6

put 7 into tCommitHashLength

put "universal-mac-macosx10.6-bin.tar.bz2" into tMacSymbolsZip

else if tBuildNumber >= 14035 then -- 8.1.7 RC-1 +

put 10 into tCommitHashLength

put "universal-mac-macosx10.6-bin.tar.bz2" into tMacSymbolsZip

end if

else -- pFullVersion begins with "9"

if tBuildNumber < 15004 then -- DP-1 until DP-4

put 7 into tCommitHashLength

put "mac-bin.tar.xz" into tMacSymbolsZip

else if tBuildNumber is "15004" or tBuildNumber is "15005" then -- DP-5 and DP-6

put 7 into tCommitHashLength

put "mac-bin.tar.bz2" into tMacSymbolsZip

else if tBuildNumber is "15009" or tBuildNumber is "15010" then -- DP-7 and DP-8

put 7 into tCommitHashLength

put "universal-mac-macosx10.9-bin.tar.bz2" into tMacSymbolsZip

else if tBuildNumber >= 15012 then -- DP-9+

put 10 into tCommitHashLength

put "universal-mac-macosx10.9-bin.tar.bz2" into tMacSymbolsZip

end if

end if

put pServerPath & "/" & pFullVersion & "/g" & char 1 to tCommitHashLength of pCommitHash & slash & tMacSymbolsZip into tURL

-- Create the output folder, if required

if there is not a folder pOutputDir then

create folder pOutputDir

end if

-- Download the file

local tOutputFile

put pOutputDir & slash & tMacSymbolsZip into tOutputFile

if there is not a file tOutputFile then

verbosePrint "Downloading" && tURL && "to" && tOutputFile

-- User interaction is needed here to get the user-name and password for the staging server

local tUsername

local tPassword

getServerCredentials tURL, tUsername, tPassword

local tCurlCmd

put ("curl" && escapeArg(tURL) && "-o" && escapeArg(tOutputFile) && "--user" && escapeArg(tUsername) & ":" & escapeArg(tPassword)) into tCurlCmd

debugPrint "Running curl:" && tCurlCmd

get shell (tCurlCmd)

if the result is not zero then

throw "failed to download packaged symbols:" && it

end if

else

verbosePrint "Symbols package already present at" && tOutputFile

end if

-- Unpack the symbols

if there is not a folder (pOutputDir & "/LiveCode-Community.app") then

-- Unpack the archived symbols

local tDefaultFolder

verbosePrint "Unpacking symbols"

put the defaultFolder into tDefaultFolder

set the defaultFolder to pOutputDir

get shell ("tar --strip-components 1 -xf " && tMacSymbolsZip)

if the result is not zero then

throw "unpacking staged symbols failed:" && it

end if

set the defaultFolder to tDefaultFolder

else

-- Symbols are already unpacked

verbosePrint "Symbols are already unpacked"

end if

end fetchSymbolsForRevision

-----------------------------------

---------- SYMBOLICATION ----------

-----------------------------------

private function findLineBeginningWith pWord, pLog

local tFoundLineNumber, tCurrentLine, tNextLine

put lineOffset(pWord, pLog) into tNextLine

repeat while tNextLine is not 0

add tNextLine to tCurrentLine

if line tCurrentLine of pLog begins with pWord then

put tCurrentLine into tFoundLineNumber

exit repeat

end if

put lineOffset(pWord, pLog, tCurrentLine) into tNextLine

end repeat

return tFoundLineNumber

end findLineBeginningWith

-- Guesses the LiveCode engine version and edition from the crash log

private function guessVersionAndEdition pLog, @rVersion, @rEdition

-- Find the line that contains the embedded version information

local tVersionLineNumber

put findLineBeginningWith("Version:", pLog) into tVersionLineNumber

if tVersionLineNumber is zero then return false

-- Version line has the form "Version: 8.0.0.13012 [DP 12]"

local tVersionLine

local tVersionNumber

local tVersionSuffix

put line tVersionLineNumber of pLog into tVersionLine

if (char 2 to -1 of word 3 of tVersionLine) is among the items of "RC,DP" then

put "-" & toLower(char 2 to -1 of word 3 of tVersionLine) into tVersionSuffix

put "-" & (char 1 to -2 of word 4 of tVersionLine) after tVersionSuffix

end if

set the itemDelimiter to "."

put (item 1 to 3 of (word 2 of tVersionLine)) into tVersionNumber

put (tVersionNumber & tVersionSuffix) into rVersion

verbosePrint "Auto-detected version as" && rVersion

-- Find the line that contains the process name

local tProcessLineNumber

put findLineBeginningWith("Process:", pLog) into tProcessLineNumber

if tProcessLineNumber is zero then return false

-- Look for keywords in the line

local tProcessLine

put line tProcessLineNumber of pLog into tProcessLine

switch

case "LiveCode-Community" is among the words of tProcessLine

put "community" into rEdition

break

case "LiveCode-Indy" is among the words of tProcessLine

put "indy" into rEdition

break

case "LiveCode-Business" is among the words of tProcessLine

put "business" into rEdition

break

default

return false

break

end switch

-- The autodetection seems to have worked

verbosePrint "Auto-detected edition as" && rEdition

return true

end guessVersionAndEdition

-- Finds the line range in the given log that corresponds to the stack trace of the crashed thread

private command findCrashStackTraceLineRange pLog, @rStart, @rEnd

-- The stack trace begins after a line with "Thread N Crashed:"

local tStackTraceLineNumber

put lineOffset("Crashed:", pLog) into tStackTraceLineNumber

if tStackTraceLineNumber is zero then throw "Could not find stack trace"

-- Count the number of lines in the stack trace

-- They are numbered and we use this numbering to detect twhich lines belong to the trace

local tStackTraceLineCount

repeat while word 1 of line (tStackTraceLineNumber+tStackTraceLineCount+1) of pLog is tStackTraceLineCount

put tStackTraceLineCount + 1 into tStackTraceLineCount

end repeat

put tStackTraceLineNumber+1 into rStart

put tStackTraceLineNumber+tStackTraceLineCount into rEnd

end findCrashStackTraceLineRange

-- Takes an OSX crash log and finds the addresses needing symbolicated

function addressesFromCrashLog pLog

-- Find the range that represents the stack trace needing symbolicated

local tStackTraceStart

local tStackTraceEnd

findCrashStackTraceLineRange pLog, tStackTraceStart, tStackTraceEnd

-- Extract just the stack trace then find the addresses in the trace

local tStackTrace

put line tStackTraceStart to tStackTraceEnd of pLog into tStackTrace

local tOutput

repeat for each line tLine in tStackTrace

-- The address is word 3 of the log

put word 3 of tLine & return after tOutput

end repeat

return tOutput

end addressesFromCrashLog

-- Finds the line range in the given log that corresponds to the stack trace

-- of the

private command findHangStackTraceLineRange pLog, @rStart, @rEnd

-- The stack trace begins after a line with "Thread N Crashed:"

local tStackTraceLineNumber

put lineOffset("Heaviest", pLog) into tStackTraceLineNumber

if tStackTraceLineNumber is zero then throw "Could not find stack trace"

-- Count the number of lines in the stack trace

-- Just keep going until there is a blank line

local tStackTraceLineCount

repeat while word 1 of line (tStackTraceLineNumber+tStackTraceLineCount+1) of pLog is not empty

put tStackTraceLineCount + 1 into tStackTraceLineCount

end repeat

put tStackTraceLineNumber+1 into rStart

put tStackTraceLineNumber+tStackTraceLineCount into rEnd

end findHangStackTraceLineRange

-- Takes an OSX hang report and finds the addresses needing symbolicated

function addressesFromHangReport pLog

-- Find the range that represents the stack trace needing symbolicated

local tStackTraceStart

local tStackTraceEnd

findHangStackTraceLineRange pLog, tStackTraceStart, tStackTraceEnd

-- Extract just the stack trace then find the addresses in the trace

local tStackTrace

put line tStackTraceStart to tStackTraceEnd of pLog into tStackTrace

local tOutput

repeat for each line tLine in tStackTrace

-- The address is enclosed in square brackets as word -1 of each line

put char 2 to -2 of word -1 of tLine & return after tOutput

end repeat

return tOutput

end addressesFromHangReport

-- Finds the addresses needing symbolicated from the given log

function addressesFromLog pLog

if sHangReport then

return addressesFromHangReport(pLog)

else

return addressesFromCrashLog(pLog)

end if

end addressesFromLog

-- Finds the load address of the LiveCode executable in the given crash log

function loadAddressFromLog pLog

-- Find the line containing the "Binary Images:" header

local tHeaderOffset

put lineOffset("Binary Images:", pLog) into tHeaderOffset

if tHeaderOffset is zero then throw "Couldn't find load addresses list"

-- Find the line containing the LiveCode IDE identifier ("com.runrev.livecode")

local tExeLineOffset, tCheckAppID

put kLiveCodeAppId into tCheckAppId

if not sHangReport then

put "+" before tCheckAppId

end if

repeat with i = tHeaderOffset+1 to the number of lines of pLog

-- Format of lines is "0xXXXX - 0xYYYY +com.runrev.livecode"

if word 4 of line i of pLog is tCheckAppId then exit repeat

end repeat

if i > the number of lines of pLog then throw "Could not find LiveCode executable's load offset"

put i into tExeLineOffset

return word 1 of line tExeLineOffset of pLog

end loadAddressFromLog

private function escapeArg pArg

replace "'" with "\'" in pArg

return "'" & pArg & "'"

end escapeArg

function symbolsForAddresses pAddresses, pAppBundle, pLoadAddress

-- Full path to the executable inside the app bundle

local tExecutable

get shell("/usr/libexec/PlistBuddy -c" && quote & "Print CFBundleExecutable" & quote && escapeArg(pAppBundle & "/Contents/Info.plist"))

if the result is not zero then throw "couldn't get executable from app bundle's Plist:" && it

put pAppBundle & "/Contents/MacOS/" & line 1 of it into tExecutable

-- Feed the "atos" program a list of addresses

local tCommand

local tSymbols

replace return with space in pAddresses

--put "xcrun atos -o" && escapeArg(tExecutable) && "-l" && format("%#x", pLoadAddress) && pAddresses into tCommand

put "xcrun atos -o" && escapeArg(tExecutable) && "-arch x86_64 " && "-l" && pLoadAddress && pAddresses into tCommand

get shell(tCommand)

if the result is not zero then throw "failed to symbolicate address list using atos:" && it

put it into tSymbols

return tSymbols

end symbolsForAddresses

function mergeSymbolsIntoCrashLog pLog, pSymbols

-- Find the line range of the stack trace that was symbolicated

local tStackTraceStart

local tStackTraceEnd

findCrashStackTraceLineRange pLog, tStackTraceStart, tStackTraceEnd

-- Sanity check

if the number of lines of pSymbols is not (tStackTraceEnd - tStackTraceStart + 1) then throw "symbolicated trace is different length to original"

-- Loop through the symbols list and replace where appropriate

repeat with i = 0 to (the number of lines of pSymbols) - 1

-- In the original log, is this a LiveCode symbol?

if word 2 of line (tStackTraceStart+i) of pLog is kLiveCodeAppId then

local tSymbol

put line (i+1) of pSymbols into tSymbol

put tSymbol into word 4 to -1 of line (tStackTraceStart+i) of pLog

end if

end repeat

-- Return the modified log

return pLog

end mergeSymbolsIntoCrashLog

function mergeSymbolsIntoHangReport pLog, pSymbols

-- Find the line range of the stack trace that was symbolicated

local tStackTraceStart

local tStackTraceEnd

findHangStackTraceLineRange pLog, tStackTraceStart, tStackTraceEnd

-- Sanity check

if the number of lines of pSymbols is not (tStackTraceEnd - tStackTraceStart + 1) then throw "symbolicated trace is different length to original"

-- Loop through the symbols list and replace where appropriate

repeat with i = 0 to (the number of lines of pSymbols) - 1

-- In the original log, is this a LiveCode symbol?

if line (tStackTraceStart+i) of pLog contains "LiveCode" then

local tSymbol

put line (i+1) of pSymbols into tSymbol

put tSymbol into word 2 of line (tStackTraceStart+i) of pLog

end if

end repeat

-- Return the modified log

return pLog

end mergeSymbolsIntoHangReport

function mergeSymbolsIntoLog pLog, pSymbols

if sHangReport then

return mergeSymbolsIntoHangReport(pLog, pSymbols)

else

return mergeSymbolsIntoCrashLog(pLog, pSymbols)

end if

end mergeSymbolsIntoLog

function symbolicateLog pLog, pAppBundle

-- Get the load address for the LiveCode executable

local tLoadAddress

put loadAddressFromLog(pLog) into tLoadAddress

-- Symbolicate the stack trace for the crashed thread

local tAddresses

local tSymbols

local tSymbolicatedLog

put addressesFromLog(pLog) into tAddresses

put symbolsForAddresses(tAddresses, pAppBundle, tLoadAddress) into tSymbols

put mergeSymbolsIntoLog(pLog, tSymbols) into tSymbolicatedLog

return tSymbolicatedLog

end symbolicateLog