From c68a1f4ad67bd6c457d10f21b7f091efd93180ea Mon Sep 17 00:00:00 2001 From: Sei Lisa Date: Thu, 5 Mar 2015 23:18:41 +0100 Subject: [PATCH] Add copyright notices to all files, to prepare the program for release. --- COPYING | 674 ++++++++++++++++++++++++++++++++++++++++ lslopt/lslbasefuncs.py | 45 ++- lslopt/lslcommon.py | 17 + lslopt/lsldeadcode.py | 18 ++ lslopt/lslextrafuncs.py | 20 ++ lslopt/lslfoldconst.py | 18 ++ lslopt/lslfuncs.py | 18 ++ lslopt/lsljson.py | 19 ++ lslopt/lsloptimizer.py | 23 +- lslopt/lsloutput.py | 20 +- lslopt/lslparse.py | 20 ++ lslopt/lslrenamer.py | 27 ++ main.py | 30 +- testfuncs.py | 19 ++ testparser.py | 20 ++ 15 files changed, 977 insertions(+), 11 deletions(-) create mode 100644 COPYING diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..94a9ed0 --- /dev/null +++ b/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/lslopt/lslbasefuncs.py b/lslopt/lslbasefuncs.py index aebc1fd..8126b1d 100644 --- a/lslopt/lslbasefuncs.py +++ b/lslopt/lslbasefuncs.py @@ -1,10 +1,37 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + # This module is used by the optimizer for resolving constant values. - -# The functions it implements are all functions that always return the same result when given the same input, and that have no side effects. - -# For example, llAbs() is here, but llFrand() is not, because it doesn't always return the same result. - -# This implies that functions present in this module can be precomputed if their arguments are constants. +# +# The functions it implements are all functions that always return the same +# result when given the same input, and that have no side effects. +# +# For example, llAbs() is here, but llFrand() is not, because it doesn't always +# return the same result. +# +# This implies that functions present in this module can be precomputed if +# their arguments are constants. +# +# In some instances, the result can't be computed; in these cases the function +# raises a LSLCantCompute exception that is caught by the optimizer to leave +# the expression unchanged. For example, llBase64ToInteger("AA") returns +# unpredictable garbage in the low bytes in LSL, so it is left unchanged. +# +# The JSON functions have been separated to their own module. import re from lslcommon import * @@ -102,10 +129,16 @@ def F32(f, f32=True): #from array import array #return array('f',(f,))[0] + # Using struct: + #from struct import pack, unpack + #return unpack('f', pack('f', f))[0] + # Using ctypes: #from ctypes import c_float return c_float(f).value +# These are other approaches that are not fully debugged: + # # Another alternative. frexp and ldexp solve a lot (but are still troublesome): # m, x = math.frexp(abs(f)) # if x > 128: diff --git a/lslopt/lslcommon.py b/lslopt/lslcommon.py index a358069..a775ba9 100644 --- a/lslopt/lslcommon.py +++ b/lslopt/lslcommon.py @@ -1,3 +1,20 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + # These types just wrap the Python types to make type() work on them. # There are no ops defined on them or anything. diff --git a/lslopt/lsldeadcode.py b/lslopt/lsldeadcode.py index fa43597..a2a2e7c 100644 --- a/lslopt/lsldeadcode.py +++ b/lslopt/lsldeadcode.py @@ -1,3 +1,21 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Dead Code Removal optimization import lslfuncs diff --git a/lslopt/lslextrafuncs.py b/lslopt/lslextrafuncs.py index ca692f8..9038919 100644 --- a/lslopt/lslextrafuncs.py +++ b/lslopt/lslextrafuncs.py @@ -1,3 +1,22 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Extra functions that have predictable return values for certain arguments. + from lslcommon import * from lslbasefuncs import ELSLCantCompute, isinteger, iskey, islist, \ isvector, NULL_KEY, ZERO_VECTOR, ZERO_ROTATION @@ -182,3 +201,4 @@ def llGetDisplayName(id): return u'' raise ELSLCantCompute +# TODO: Add more predictable functions. diff --git a/lslopt/lslfoldconst.py b/lslopt/lslfoldconst.py index d562626..72765be 100644 --- a/lslopt/lslfoldconst.py +++ b/lslopt/lslfoldconst.py @@ -1,3 +1,21 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Constant folding and simplification of expressions and statements. import lslfuncs from lslparse import warning diff --git a/lslopt/lslfuncs.py b/lslopt/lslfuncs.py index 81486e1..0b8bd85 100644 --- a/lslopt/lslfuncs.py +++ b/lslopt/lslfuncs.py @@ -1,4 +1,22 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + # Put all LSL functions together in one single module + from lslbasefuncs import * from lsljson import * from lslextrafuncs import * diff --git a/lslopt/lsljson.py b/lslopt/lsljson.py index 24a5e18..ba01213 100644 --- a/lslopt/lsljson.py +++ b/lslopt/lsljson.py @@ -1,3 +1,22 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# JSON functions + import re import math from lslcommon import * diff --git a/lslopt/lsloptimizer.py b/lslopt/lsloptimizer.py index fe702eb..97b1cd8 100644 --- a/lslopt/lsloptimizer.py +++ b/lslopt/lsloptimizer.py @@ -1,3 +1,21 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Optimizer class that wraps and calls the other parts. import lslfuncs from lslfuncs import Key, Vector, Quaternion @@ -27,8 +45,9 @@ class optimizer(foldconst, renamer, deadcode): Quaternion: 'rotation', list: 'list'} def Cast(self, value, newtype): - # Return a CAST node if the types are not equal, otherwise the - # value unchanged + """Return a CAST node if the types are not equal, otherwise the + value unchanged. + """ if value['t'] == newtype: return value ret = {'nt':'CAST', 't':newtype, 'ch':[value]} diff --git a/lslopt/lsloutput.py b/lslopt/lsloutput.py index 4867460..6950f57 100644 --- a/lslopt/lsloutput.py +++ b/lslopt/lsloutput.py @@ -1,4 +1,22 @@ -# Convert a symbol table (with parse tree) back to a script. +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Convert an abstract syntax tree + symbol table back to a script as text. + import lslfuncs from lslcommon import Key, Vector, Quaternion from lslparse import warning diff --git a/lslopt/lslparse.py b/lslopt/lslparse.py index 405f8a3..27edaff 100644 --- a/lslopt/lslparse.py +++ b/lslopt/lslparse.py @@ -1,3 +1,23 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Parser module. Converts the source into an abstract syntax tree, +# generating also the symbol table. + # TODO: Add info to be able to propagate error position to the source. from lslcommon import Key, Vector, Quaternion diff --git a/lslopt/lslrenamer.py b/lslopt/lslrenamer.py index 84a0eee..7d42e6f 100644 --- a/lslopt/lslrenamer.py +++ b/lslopt/lslrenamer.py @@ -1,3 +1,30 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# This module renames all kinds of variables. Globals and function/event +# parameters take memory space, so shrinking the identifiers as much as +# possible ensures their memory usage will be minimized. It also reuses some +# preexisting names when possible. Locals are renamed also so that they don't +# stand in the way of globals. +# +# A side effect of this change is that the script becomes unreadable gibberish. + +# TODO: Rename locals to loc_ rather than random names. + import random from base64 import b64encode diff --git a/main.py b/main.py index cb6eec4..3de07b8 100755 --- a/main.py +++ b/main.py @@ -1,4 +1,23 @@ -#!/usr/bin/env python +#!/usr/bin/env python2 + +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# This is the main executable program that imports the libraries. from lslopt.lslparse import parser,EParse from lslopt.lsloutput import outscript @@ -9,7 +28,14 @@ def main(): if len(sys.argv) < 2: sys.stderr.write( r'''LSL optimizer v0.1 -Copyright (C) 2015 Sei Lisa. All rights reserved. + + (C) Copyright 2015 Sei Lisa. All rights reserved. + + This program comes with ABSOLUTELY NO WARRANTY. + This is free software, and you are welcome to redistribute it + under certain conditions; see the file COPYING for details. + This program is licensed under the GNU General Public License + version 3. Usage: %s [-O [+|-]option[,[+|-]option[,...]]] filename diff --git a/testfuncs.py b/testfuncs.py index 98e6720..cd24703 100644 --- a/testfuncs.py +++ b/testfuncs.py @@ -1,3 +1,22 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Unit Testing of lslfuncs, to ensure they match the output of LSL + from lslopt.lslcommon import * from lslopt.lslfuncs import * from lslopt import lslcommon diff --git a/testparser.py b/testparser.py index 5123bc1..bc62318 100644 --- a/testparser.py +++ b/testparser.py @@ -1,3 +1,23 @@ +# (C) Copyright 2015 Sei Lisa. All rights reserved. +# +# This file is part of LSL PyOptimizer. +# +# LSL PyOptimizer is free software: you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# LSL PyOptimizer is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LSL PyOptimizer. If not, see . + +# Unit Testing of the optimizer, aiming for maximum coverage of the parser +# and of the optimization modules. + from lslopt.lslparse import parser,EParseSyntax,EParseUEOF,EParseAlreadyDefined,\ EParseUndefined,EParseTypeMismatch,EParseReturnShouldBeEmpty,EParseReturnIsEmpty,\ EParseInvalidField,EParseFunctionMismatch,EParseDeclarationScope,\