56 lines
1.6 KiB
Nim
56 lines
1.6 KiB
Nim
import
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parseopt, strutils,
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../nimbus/vm/interpreter/vm_forks
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type
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ConfigStatus* = enum
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## Configuration status flags
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Success, ## Success
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EmptyOption, ## No options in category
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ErrorUnknownOption, ## Unknown option in command line found
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ErrorParseOption, ## Error in parsing command line option
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ErrorIncorrectOption, ## Option has incorrect value
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Error ## Unspecified error
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Configuration = ref object
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testSubject*: string
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fork*: Fork
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index*: int
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trace*: bool
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var testConfig {.threadvar.}: Configuration
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proc initConfiguration(): Configuration =
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result = new Configuration
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result.fork = FkFrontier
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result.index = 0
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result.trace = true
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proc getConfiguration*(): Configuration {.gcsafe.} =
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if isNil(testConfig):
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testConfig = initConfiguration()
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result = testConfig
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proc processArguments*(msg: var string): ConfigStatus =
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var
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opt = initOptParser()
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config = getConfiguration()
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result = Success
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for kind, key, value in opt.getopt():
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case kind
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of cmdArgument:
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config.testSubject = key
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of cmdLongOption, cmdShortOption:
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case key.toLowerAscii()
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of "fork": config.fork = parseEnum[Fork](strip(value))
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of "index": config.index = parseInt(value)
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of "trace": config.trace = parseBool(value)
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else:
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msg = "Unknown option " & key
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if value.len > 0: msg = msg & " : " & value
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result = ErrorUnknownOption
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break
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of cmdEnd:
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doAssert(false)
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