AriasCreations/LSL-PyOptimizer
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New option to optimize float-to-int conversion separately from sign optim.

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The option is optfloats. Add support everywhere.
This commit is contained in:
Sei Lisa 2014-07-31 01:37:18 +02:00
parent efc7f4406a
commit 3ac4bc4f0d
2 changed files with 9 additions and 6 deletions
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5
lslopt/lsloutput.py
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@ -41,7 +41,7 @@ class outscript(object):
return '((integer)' + str(value) + ')' return '((integer)' + str(value) + ')'
return str(value) return str(value)
if tvalue == float: if tvalue == float:
if self.optsigns and value.is_integer() and -2147483648.0 <= value < 2147483648.0: if self.optfloats and value.is_integer() and -2147483648.0 <= value < 2147483648.0:
if self.globalmode and not self.listmode: if self.globalmode and not self.listmode:
return str(int(value)) return str(int(value))
elif not self.globalmode: elif not self.globalmode:
@ -295,12 +295,13 @@ class outscript(object):
return self.dent() + self.OutExpr(node) + ';\n' return self.dent() + self.OutExpr(node) + ';\n'
def output(self, treesymtab, options = ('optsigns',)): def output(self, treesymtab, options = ('optsigns','optfloats')):
# Build a sorted list of dict entries # Build a sorted list of dict entries
self.tree, self.symtab = treesymtab self.tree, self.symtab = treesymtab
# Optimize signs # Optimize signs
self.optsigns = 'optsigns' in options self.optsigns = 'optsigns' in options
self.optfloats = 'optfloats' in options
ret = '' ret = ''
self.indent = ' ' self.indent = ' '

10
main.py
View file

@ -14,7 +14,7 @@ Usage: %s [-O [+|-]option[,[+|-]option[,...]]] filename
That's an upper case o, not the number zero. That's an upper case o, not the number zero.
If filename is a dash (-) then standard input is used. If filename is a dash (-) then standard input is used.
Options (+ means default, - means not default, * means not implemented): Options (+ means default, * means not implemented):
+extendedglobalexpr Enables arbitrary expressions in globals (as opposed to +extendedglobalexpr Enables arbitrary expressions in globals (as opposed to
dull simple expressions allowed by regular LSL). Needs dull simple expressions allowed by regular LSL). Needs
the optimizer to run for the result to be compilable. the optimizer to run for the result to be compilable.
@ -35,8 +35,9 @@ Options (+ means default, - means not default, * means not implemented):
the output of a preprocessor like cpp, which inserts the output of a preprocessor like cpp, which inserts
directives like: # 123 "filename". directives like: # 123 "filename".
+optimize Runs the optimizer. +optimize Runs the optimizer.
+optsigns Optimize signs and float as int. +optsigns Optimize signs in float and integer constants.
-foldtabs Tabs can't be copy-pasted, so they aren't optimized by +optfloats Optimize a float when it is an integral value.
foldtabs Tabs can't be copy-pasted, so they aren't optimized by
default. But with support from the viewer, they can be default. But with support from the viewer, they can be
folded too and make it to the uploaded source. This folded too and make it to the uploaded source. This
option overrides that check, enabling optimization of option overrides that check, enabling optimization of
@ -55,7 +56,8 @@ means that e.g. a + 3 + 5 is not optimized to a + 8; however a + (3 + 5) is.
return 1 return 1
options = set(('extendedglobalexpr','extendedtypecast','extendedassignment', options = set(('extendedglobalexpr','extendedtypecast','extendedassignment',
'allowkeyconcat','allowmultistrings','skippreproc','optimize','optsigns' 'allowkeyconcat','allowmultistrings','skippreproc','optimize',
'optsigns','optfloats'
)) ))
if sys.argv[1] == '-O': if sys.argv[1] == '-O':