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[Swift] Some minor tidyups. #2115

Merged
merged 3 commits into from
Nov 29, 2017
Merged

[Swift] Some minor tidyups. #2115

merged 3 commits into from
Nov 29, 2017

Commits on Nov 11, 2017

  1. Report errors in ANTLRFileStream. 

    Change the initializer to ANTLRFileStream so that it throws any errors that
occur while reading the file.  Previously, it was just dropping any errors on
the floor (inside Utils.readFile).

Remove Utils.readFile, it's not used anywhere else.
    @ewanmellor
    ewanmellor committed Nov 11, 2017
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  2. [Swift] Some minor tidyups. 

    Minor tidyups in the Swift runtime.  No semantic change.
    @ewanmellor
    ewanmellor committed Nov 11, 2017
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  3. [Swift] Remove pointless do block from LexerATNSimulator. 

    Remove pointless do block from LexerATNSimulator.  This is a translation
from Java of a try/finally block, but we have the finally clause in a
defer block so we don't need the do block.
    @ewanmellor
    ewanmellor committed Nov 11, 2017
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