Created
February 13, 2021 16:58
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How I map moon script line numbers to lua
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-- TODO - instead of calculating this every time we should cache the map to file | |
class MoonScriptLineNumberMap | |
new: => | |
@_fileMapMap = {} | |
@_jobManager = LazyResolve('JobManager') | |
_createFileMap: (moonPath) => | |
lines = @_jobManager\executeAndWaitGetAllOutputLines("moonc -X '#{moonPath}'") | |
fileMap = {} | |
first = true | |
lastLuaLineNumber = nil | |
lastMoonLineNumber = nil | |
for line in *lines | |
if first | |
first = false | |
continue | |
pos, luaLineNumberStr, luaContents, moonscriptLineNumberStr, moonScriptContents = line\match('^(%d+)%s+(%d+):%[ (.+) %] >> (%d+):%[ (.+) %]') | |
luaLineNumber = tonumber(luaLineNumberStr) | |
moonscriptLineNumber = tonumber(moonscriptLineNumberStr) | |
-- We assume here that when the lua line number skips lines, those lines are associated with the previous moon script line | |
if lastLuaLineNumber != nil | |
for i=lastLuaLineNumber+1,luaLineNumber-1 | |
fileMap[i] = lastMoonLineNumber | |
fileMap[luaLineNumber] = moonscriptLineNumber | |
lastLuaLineNumber = luaLineNumber | |
lastMoonLineNumber = moonscriptLineNumber | |
return fileMap | |
mapLineNumber: (moonPath, luaLineNumber) => | |
fileMap = @_fileMapMap[moonPath] | |
if not fileMap | |
fileMap = @\_createFileMap(moonPath) | |
@_fileMapMap[moonPath] = fileMap | |
lineNo = fileMap[luaLineNumber] | |
if not lineNo | |
sv.log.debug("Unable to map lua line '#{luaLineNumber}' for file '#{moonPath}'") | |
return 0 | |
return lineNo | |
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