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Add duplabels option (not yet implemented).

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When disabled, it now disallows duplicate labels. The plan is that when enabled, it will auto-rename labels so that there are no repetitions within a function.

Add coverage tests too, and also a coverage test that was missed after the latest changes.
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Sei Lisa 2014-08-01 00:33:20 +02:00
parent 523857ed23
commit e29f16d3eb
3 changed files with 35 additions and 9 deletions
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13
main.py
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@ -14,14 +14,14 @@ Usage: %s [-O [+|-]option[,[+|-]option[,...]]] filename
That's an upper case o, not the number zero.
If filename is a dash (-) then standard input is used.
Options (+ means default):
Options (+ means active by default, - means inactive by default):
extendedglobalexpr + Enables arbitrary expressions in globals (as opposed to
dull simple expressions allowed by regular LSL). Needs
the optimizer to run for the result to be compilable.
extendedtypecast + Allows extended typecast syntax e.g. (string)(integer)a
is valid with this option.
extendedassignment + Enables &=, |=, ^=, <<=, >>= assignment operators.
explicitcast Add explicit casts where they are implicit. This option
explicitcast - Add explicit casts where they are implicit. This option
is useless with 'optimize' and 'optsigns', and is of
basically no use in general.
allowkeyconcat + Allow string + key and key + string (both return string)
@ -37,12 +37,19 @@ Options (+ means default):
optimize + Runs the optimizer.
optsigns + Optimize signs in float and integer constants.
optfloats + Optimize a float when it is an integral value.
foldtabs Tabs can't be copy-pasted, so they aren't optimized by
foldtabs - Tabs can't be copy-pasted, so they aren't optimized by
default. But with support from the viewer, they can be
folded too and make it to the uploaded source. This
option overrides that check, enabling optimization of
strings with tabs. The resulting source isn't guaranteed
to be copy-paste-able to a different script, though.
duplabels - Normally, a duplicate label within a function is allowed
by the syntax by using {} blocks; however, the server
will just refuse to save the script (under Mono) or do
something completely unexpected (under LSO: all jumps
will go to the last label with that name). This flag
works around that limitation by replacing the names of
the labels in the output with unique ones.
Note that the optimizer doesn't reorder expressions to fold constants. This
means that e.g. a + 3 + 5 is not optimized to a + 8; however a + (3 + 5) is.