AriasCreations/LSL-PyOptimizer
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Tweak the main help text.

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Sei Lisa 2015-03-05 20:45:38 +01:00
parent 33de6c0efc
commit d164b0fa44
1 changed files with 12 additions and 8 deletions
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main.py
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@ -7,7 +7,9 @@ import sys
def main(): def main():
if len(sys.argv) < 2: if len(sys.argv) < 2:
sys.stderr.write(r'''LSL optimizer v0.1 sys.stderr.write(
r'''LSL optimizer v0.1
Copyright (C) 2015 Sei Lisa. All rights reserved.
Usage: %s [-O [+|-]option[,[+|-]option[,...]]] filename Usage: %s [-O [+|-]option[,[+|-]option[,...]]] filename
@ -26,7 +28,8 @@ Options (+ means active by default, - means inactive by default):
extendedassignment + Enables &=, |=, ^=, <<=, >>= assignment operators. 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 is useless with 'optimize' and 'optsigns', and is of
basically no use in general. basically no use in general, other than to see where
automatic casts happen.
allowkeyconcat + Allow string + key and key + string (both return string) allowkeyconcat + Allow string + key and key + string (both return string)
allowmultistrings + Allow C-like string juxtaposition, e.g. "ab" "cd" means allowmultistrings + Allow C-like string juxtaposition, e.g. "ab" "cd" means
"abcd", no concatenation involved. Very useful when used "abcd", no concatenation involved. Very useful when used
@ -42,7 +45,7 @@ Options (+ means active by default, - means inactive by default):
for compatibility with Firestorm, but its use is not for compatibility with Firestorm, but its use is not
recommended, as it adds a new function, wasting memory recommended, as it adds a new function, wasting memory
against the very spirit of this program. against the very spirit of this program.
enableswitch - Support C-like switch syntax, with some limitations. enableswitch - Support C-like switch() syntax, with some limitations.
Like lazylists, it's implemented for compatibility with Like lazylists, it's implemented for compatibility with
Firestorm, but not recommended. Note that the operand to Firestorm, but not recommended. Note that the operand to
switch() may be evaluated more than once. switch() may be evaluated more than once.
@ -60,7 +63,7 @@ Options (+ means active by default, - means inactive by default):
optsigns + Optimize signs in float and integer constants. optsigns + Optimize signs in float and integer constants.
optfloats + Optimize floats that represent an integral value. optfloats + Optimize floats that represent an integral value.
constfold + Fold constant expressions to their values, and simplify constfold + Fold constant expressions to their values, and simplify
some expressions. some expressions and statements.
dcr + Dead code removal. This option removes several instances dcr + Dead code removal. This option removes several instances
of code that will never execute, and performs other of code that will never execute, and performs other
optimizations like removal of unused variables, optimizations like removal of unused variables,
@ -71,7 +74,7 @@ Options (+ means active by default, - means inactive by default):
scripts. scripts.
addstrings - Concatenate strings together when possible. Note that addstrings - Concatenate strings together when possible. Note that
such an optimization can be counter-productive in some such an optimization can be counter-productive in some
cases, that's why it is unset by default. For example: cases, that's why it's disabled by default. For example:
string a="a"+"longstring"; string b="b"+"longstring"; string a="a"+"longstring"; string b="b"+"longstring";
would keep a single copy of "longstring", while if the would keep a single copy of "longstring", while if the
strings are added, both "alongstring" and "blongstring" strings are added, both "alongstring" and "blongstring"
@ -80,10 +83,11 @@ Options (+ means active by default, - means inactive by default):
Miscellaneous options Miscellaneous options
foldtabs - Tabs can't be copy-pasted, so expressions that produce foldtabs - Tabs can't be copy-pasted, so expressions that produce
tabs (like llUnescapeURL("%%09") aren't optimized by tabs, e.g. llUnescapeURL("%%09"), aren't optimized by
default. This option overrides that check, enabling default. This option overrides that check, enabling
optimization of strings with tabs. The resulting source expansion of functions that produce strings with tabs.
isn't guaranteed to be copy-paste-able to the viewer. The resulting source isn't guaranteed to be
copy-paste-able to the viewer.
skippreproc + Skip preprocessor directives in the source as if they skippreproc + Skip preprocessor directives in the source as if they
were comments. Not useful unless the script is itself were comments. Not useful unless the script is itself
the output of a preprocessor like cpp, which inserts the output of a preprocessor like cpp, which inserts