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https://github.com/nim-lang/Nim.git
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4f1725ad61
* Add column number to instantiation info Instantiation info left out column number for no good reason. This adds it in as the third element of the tuple. * Fix test that failed and added change to changelog An assertion test failed because it was declaring a type that was expected to be populated by instantiationInfo with the old signature. Also added the changes to the changelog as it is a breaking change.
52 lines
1004 B
Nim
52 lines
1004 B
Nim
discard """
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output: '''
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WARNING: false first assertion from bar
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ERROR: false second assertion from bar
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-1
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tfailedassert.nim:27 false assertion from foo
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'''
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"""
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type
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TLineInfo = tuple[filename: string, line: int, column: int]
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TMyError = object of Exception
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lineinfo: TLineInfo
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EMyError = ref TMyError
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# module-wide policy to change the failed assert
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# exception type in order to include a lineinfo
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onFailedAssert(msg):
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var e = new(TMyError)
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e.msg = msg
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e.lineinfo = instantiationInfo(-2)
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raise e
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proc foo =
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assert(false, "assertion from foo")
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proc bar: int =
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# local overrides that are active only
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# in this proc
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onFailedAssert(msg): echo "WARNING: " & msg
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assert(false, "first assertion from bar")
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onFailedAssert(msg):
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echo "ERROR: " & msg
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return -1
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assert(false, "second assertion from bar")
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return 10
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echo("")
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echo(bar())
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try:
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foo()
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except:
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let e = EMyError(getCurrentException())
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echo e.lineinfo.filename, ":", e.lineinfo.line, " ", e.msg
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