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#!/usr/bin/env python |
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|
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# pythfilter.py v1.5.5, written by Matthias Baas (baas@ira.uka.de) |
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|
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# $Id: pythfilter,v 1.1 2004/11/23 12:27:16 paultcochrane Exp $ |
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|
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# Doxygen filter which can be used to document Python source code. |
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# Classes (incl. methods) and functions can be documented. |
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# Every comment that begins with ## is literally turned into an |
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# Doxygen comment. Consecutive comment lines are turned into |
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# comment blocks (-> /** ... */). |
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# All the stuff is put inside a namespace with the same name as |
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# the source file. |
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|
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# Conversions: |
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# ============ |
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# ##-blocks -> /** ... */ |
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# "class name(base): ..." -> "class name : public base {...}" |
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# "def name(params): ..." -> "name(params) {...}" |
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|
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# Changelog: |
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# 21.01.2003: Raw (r"") or unicode (u"") doc string will now be properly |
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# handled. (thanks to Richard Laager for the patch) |
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# 22.12.2003: Fixed a bug where no function names would be output for "def" |
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# blocks that were not in a class. |
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# (thanks to Richard Laager for the patch) |
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# 12.12.2003: Implemented code to handle static and class methods with |
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# this logic: Methods with "self" as the first argument are |
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# non-static. Methods with "cls" are Python class methods, |
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# which translate into static methods for Doxygen. Other |
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# methods are assumed to be static methods. As should be |
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# obvious, this logic doesn't take into account if the method |
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# is actually setup as a classmethod() or a staticmethod(), |
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# just if it follows the normal conventions. |
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# (thanks to Richard Laager for the patch) |
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# 11.12.2003: Corrected #includes to use os.path.sep instead of ".". Corrected |
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# namespace code to use "::" instead of ".". |
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# (thanks to Richard Laager for the patch) |
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# 11.12.2003: Methods beginning with two underscores that end with |
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# something other than two underscores are considered private |
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# and are handled accordingly. |
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# (thanks to Richard Laager for the patch) |
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# 03.12.2003: The first parameter of class methods (self) is removed from |
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# the documentation. |
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# 03.11.2003: The module docstring will be used as namespace documentation |
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# (thanks to Joe Bronkema for the patch) |
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# 08.07.2003: Namespaces get a default documentation so that the namespace |
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# and its contents will show up in the generated documentation. |
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# 05.02.2003: Directories will be delted during synchronization. |
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# 31.01.2003: -f option & filtering entire directory trees. |
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# 10.08.2002: In base classes the '.' will be replaced by '::' |
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# 18.07.2002: * and ** will be translated into arguments |
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# 18.07.2002: Argument lists may contain default values using constructors. |
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# 18.06.2002: Support for ## public: |
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# 21.01.2002: from ... import will be translated to "using namespace ...;" |
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# TODO: "from ... import *" vs "from ... import names" |
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# TODO: Using normal imports: name.name -> name::name |
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# 20.01.2002: #includes will be placed in front of the namespace |
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|
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###################################################################### |
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|
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# The program is written as a state machine with the following states: |
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# |
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# - OUTSIDE The current position is outside any comment, |
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# class definition or function. |
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# |
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# - BUILD_COMMENT Begins with first "##". |
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# Ends with the first token that is no "##" |
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# at the same column as before. |
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# |
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# - BUILD_CLASS_DECL Begins with "class". |
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# Ends with ":" |
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# - BUILD_CLASS_BODY Begins just after BUILD_CLASS_DECL. |
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# The first following token (which is no comment) |
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# determines indentation depth. |
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# Ends with a token that has a smaller indendation. |
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# |
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# - BUILD_DEF_DECL Begins with "def". |
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# Ends with ":". |
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# - BUILD_DEF_BODY Begins just after BUILD_DEF_DECL. |
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# The first following token (which is no comment) |
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# determines indentation depth. |
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# Ends with a token that has a smaller indendation. |
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|
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import getopt |
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import glob |
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import os.path |
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import shutil |
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import string |
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import sys |
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import token |
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import tokenize |
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|
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from stat import * |
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|
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OUTSIDE = 0 |
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BUILD_COMMENT = 1 |
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BUILD_CLASS_DECL = 2 |
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BUILD_CLASS_BODY = 3 |
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BUILD_DEF_DECL = 4 |
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BUILD_DEF_BODY = 5 |
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IMPORT = 6 |
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IMPORT_OP = 7 |
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IMPORT_APPEND = 8 |
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|
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# Output file stream |
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outfile = sys.stdout |
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|
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# Output buffer |
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outbuffer = [] |
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|
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out_row = 0 |
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out_col = 0 |
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|
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# Variables used by rec_name_n_param() |
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name = "" |
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param = "" |
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doc_string = "" |
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record_state = 0 |
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bracket_counter = 0 |
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|
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# Tuple: (row,column) |
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class_spos = (0,0) |
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def_spos = (0,0) |
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import_spos = (0,0) |
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|
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# Which import was used? ("import" or "from") |
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import_token = "" |
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|
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# Comment block buffer |
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comment_block = [] |
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comment_finished = 0 |
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|
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# Imported modules |
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modules = [] |
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|
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# Program state |
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stateStack = [OUTSIDE] |
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|
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# Keep track of whether module has a docstring |
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module_has_docstring = False |
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|
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# Keep track of member protection |
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protection_level = "public" |
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private_member = False |
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|
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# Keep track of the module namespace |
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namespace = "" |
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|
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###################################################################### |
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# Output string s. '\n' may only be at the end of the string (not |
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# somewhere in the middle). |
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# |
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# In: s - String |
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# spos - Startpos |
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###################################################################### |
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def output(s,spos, immediate=0): |
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global outbuffer, out_row, out_col, outfile |
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|
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os = string.rjust(s,spos[1]-out_col+len(s)) |
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if immediate: |
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outfile.write(os) |
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else: |
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outbuffer.append(os) |
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if (s[-1:]=="\n"): |
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out_row = out_row+1 |
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out_col = 0 |
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else: |
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out_col = spos[1]+len(s) |
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|
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|
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###################################################################### |
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# Records a name and parameters. The name is either a class name or |
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# a function name. Then the parameter is either the base class or |
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# the function parameters. |
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# The name is stored in the global variable "name", the parameters |
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# in "param". |
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# The variable "record_state" holds the current state of this internal |
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# state machine. |
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# The recording is started by calling start_recording(). |
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# |
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# In: type, tok |
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###################################################################### |
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def rec_name_n_param(type, tok): |
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global record_state,name,param,doc_string,bracket_counter |
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s = record_state |
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# State 0: Do nothing. |
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if (s==0): |
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return |
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# State 1: Remember name. |
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elif (s==1): |
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name = tok |
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record_state = 2 |
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# State 2: Wait for opening bracket or colon |
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elif (s==2): |
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if (tok=='('): |
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bracket_counter = 1 |
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record_state=3 |
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if (tok==':'): record_state=4 |
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# State 3: Store parameter (or base class) and wait for an ending bracket |
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elif (s==3): |
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if (tok=='*' or tok=='**'): |
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tok='' |
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if (tok=='('): |
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bracket_counter = bracket_counter+1 |
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if (tok==')'): |
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bracket_counter = bracket_counter-1 |
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if bracket_counter==0: |
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record_state=4 |
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else: |
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param=param+tok |
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# State 4: Look for doc string |
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elif (s==4): |
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if (type==token.NEWLINE or type==token.INDENT or type==token.SLASHEQUAL): |
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return |
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elif (tok==":"): |
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return |
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elif (type==token.STRING): |
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while tok[:1]=='r' or tok[:1]=='u': |
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tok=tok[1:] |
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while tok[:1]=='"': |
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tok=tok[1:] |
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while tok[-1:]=='"': |
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tok=tok[:-1] |
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doc_string=tok |
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record_state=0 |
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|
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###################################################################### |
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# Starts the recording of a name & param part. |
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# The function rec_name_n_param() has to be fed with tokens. After |
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# the necessary tokens are fed the name and parameters can be found |
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# in the global variables "name" und "param". |
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###################################################################### |
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def start_recording(): |
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global record_state,param,name, doc_string |
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record_state=1 |
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name="" |
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param="" |
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doc_string="" |
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|
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###################################################################### |
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# Test if recording is finished |
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###################################################################### |
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def is_recording_finished(): |
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global record_state |
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return record_state==0 |
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|
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###################################################################### |
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## Gather comment block |
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###################################################################### |
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def gather_comment(type,tok,spos): |
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global comment_block,comment_finished |
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if (type!=tokenize.COMMENT): |
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comment_finished = 1 |
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else: |
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# Output old comment block if a new one is started. |
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if (comment_finished): |
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print_comment(spos) |
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comment_finished=0 |
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if (tok[0:2]=="##" and tok[0:3]!="###"): |
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comment_block.append(tok[2:]) |
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|
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###################################################################### |
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## Output comment block and empty buffer. |
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###################################################################### |
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def print_comment(spos): |
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global comment_block,comment_finished |
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if (comment_block!=[]): |
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output("/**\n",spos) |
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for c in comment_block: |
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output(c,spos) |
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output("*/\n",spos) |
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comment_block = [] |
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comment_finished = 0 |
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|
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###################################################################### |
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def set_state(s): |
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global stateStack |
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stateStack[len(stateStack)-1]=s |
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|
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###################################################################### |
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def get_state(): |
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global stateStack |
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return stateStack[len(stateStack)-1] |
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|
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###################################################################### |
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def push_state(s): |
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global stateStack |
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stateStack.append(s) |
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|
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###################################################################### |
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def pop_state(): |
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global stateStack |
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stateStack.pop() |
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|
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|
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###################################################################### |
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def tok_eater(type, tok, spos, epos, line): |
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global stateStack,name,param,class_spos,def_spos,import_spos |
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global doc_string, modules, import_token, module_has_docstring |
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global protection_level, private_member |
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|
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rec_name_n_param(type,tok) |
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if (string.replace(string.strip(tok)," ","")=="##private:"): |
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protection_level = "private" |
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output("private:\n",spos) |
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elif (string.replace(string.strip(tok)," ","")=="##protected:"): |
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protection_level = "protected" |
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output("protected:\n",spos) |
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elif (string.replace(string.strip(tok)," ","")=="##public:"): |
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protection_level = "public" |
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output("public:\n",spos) |
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else: |
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gather_comment(type,tok,spos) |
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|
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state = get_state() |
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|
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# sys.stderr.write("%d: %s\n"%(state, tok)) |
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|
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# OUTSIDE |
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if (state==OUTSIDE): |
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if (tok=="class"): |
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start_recording() |
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class_spos = spos |
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push_state(BUILD_CLASS_DECL) |
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elif (tok=="def"): |
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start_recording() |
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def_spos = spos |
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push_state(BUILD_DEF_DECL) |
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elif (tok=="import") or (tok=="from"): |
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import_token = tok |
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import_spos = spos |
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modules = [] |
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push_state(IMPORT) |
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elif (spos[1] == 0 and tok[:3] == '"""'): |
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# Capture module docstring as namespace documentation |
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module_has_docstring = True |
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comment_block.append("\\namespace %s\n" % namespace) |
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comment_block.append(tok[3:-3]) |
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print_comment(spos) |
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|
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# IMPORT |
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elif (state==IMPORT): |
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if (type==token.NAME): |
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modules.append(tok) |
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set_state(IMPORT_OP) |
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# IMPORT_OP |
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elif (state==IMPORT_OP): |
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if (tok=="."): |
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set_state(IMPORT_APPEND) |
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elif (tok==","): |
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set_state(IMPORT) |
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else: |
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for m in modules: |
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output('#include "'+m.replace('.',os.path.sep)+'.py"\n', import_spos, immediate=1) |
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if import_token=="from": |
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output('using namespace '+m.replace('.', '::')+';\n', import_spos) |
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pop_state() |
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# IMPORT_APPEND |
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elif (state==IMPORT_APPEND): |
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if (type==token.NAME): |
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modules[len(modules)-1]+="."+tok |
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set_state(IMPORT_OP) |
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# BUILD_CLASS_DECL |
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elif (state==BUILD_CLASS_DECL): |
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if (is_recording_finished()): |
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s = "class "+name |
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if (param!=""): s = s+" : public "+param.replace('.','::') |
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if (doc_string!=""): comment_block.append(doc_string) |
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print_comment(class_spos) |
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output(s+"\n",class_spos) |
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output("{\n",(class_spos[0]+1,class_spos[1])) |
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protection_level = "public" |
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output(" public:\n",(class_spos[0]+2,class_spos[1])) |
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set_state(BUILD_CLASS_BODY) |
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# BUILD_CLASS_BODY |
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elif (state==BUILD_CLASS_BODY): |
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if (type!=token.INDENT and type!=token.NEWLINE and type!=40 and |
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type!=tokenize.NL and type!=tokenize.COMMENT and |
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(spos[1]<=class_spos[1])): |
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output("}; // end of class\n",(out_row+1,class_spos[1])) |
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pop_state() |
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elif (tok=="def"): |
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start_recording() |
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def_spos = spos |
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push_state(BUILD_DEF_DECL) |
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# BUILD_DEF_DECL |
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elif (state==BUILD_DEF_DECL): |
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if (is_recording_finished()): |
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s = '' |
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# Do we document a class method? then remove the 'self' parameter |
| 392 |
if BUILD_CLASS_BODY in stateStack: |
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params = param.split(",") |
| 394 |
if params[0] == 'self': |
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param = string.join(params[1:], ",") |
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else: |
| 397 |
s = 'static ' |
| 398 |
if params[0] == 'cls': |
| 399 |
param = string.join(params[1:], ",") |
| 400 |
s = s+name+"("+param+");\n" |
| 401 |
if len(name) > 1 \ |
| 402 |
and name[0:2] == '__' \ |
| 403 |
and name[len(name)-2:len(name)] != '__' \ |
| 404 |
and protection_level != 'private': |
| 405 |
private_member = True |
| 406 |
output(" private:\n",(def_spos[0]+2,def_spos[1])) |
| 407 |
else: |
| 408 |
s = name+"("+param+");\n" |
| 409 |
if (doc_string!=""): comment_block.append(doc_string) |
| 410 |
print_comment(def_spos) |
| 411 |
output(s,def_spos) |
| 412 |
# output("{\n",(def_spos[0]+1,def_spos[1])) |
| 413 |
set_state(BUILD_DEF_BODY) |
| 414 |
# BUILD_DEF_BODY |
| 415 |
elif (state==BUILD_DEF_BODY): |
| 416 |
if (type!=token.INDENT and type!=token.NEWLINE \ |
| 417 |
and type!=40 and type!=tokenize.NL \ |
| 418 |
and (spos[1]<=def_spos[1])): |
| 419 |
# output("} // end of method/function\n",(out_row+1,def_spos[1])) |
| 420 |
if private_member and protection_level != 'private': |
| 421 |
private_member = False |
| 422 |
output(" " + protection_level + ":\n",(def_spos[0]+2,def_spos[1])) |
| 423 |
pop_state() |
| 424 |
# else: |
| 425 |
# output(tok,spos) |
| 426 |
|
| 427 |
|
| 428 |
def dump(filename): |
| 429 |
f = open(filename) |
| 430 |
r = f.readlines() |
| 431 |
for s in r: |
| 432 |
sys.stdout.write(s) |
| 433 |
|
| 434 |
def filter(filename): |
| 435 |
global name, module_has_docstring |
| 436 |
|
| 437 |
path,name = os.path.split(filename) |
| 438 |
root,ext = os.path.splitext(name) |
| 439 |
|
| 440 |
output("namespace "+root+" {\n",(0,0)) |
| 441 |
|
| 442 |
# set module name for tok_eater to use if there's a module doc string |
| 443 |
name = root |
| 444 |
|
| 445 |
sys.stderr.write('Filtering "'+filename+'"...') |
| 446 |
f = open(filename) |
| 447 |
tokenize.tokenize(f.readline, tok_eater) |
| 448 |
f.close() |
| 449 |
print_comment((0,0)) |
| 450 |
|
| 451 |
output("\n",(0,0)) |
| 452 |
output("} // end of namespace\n",(0,0)) |
| 453 |
|
| 454 |
if not module_has_docstring: |
| 455 |
# Put in default namespace documentation |
| 456 |
output('/** \\namespace '+root+' \n',(0,0)) |
| 457 |
output(' \\brief Module "%s" */\n'%(root),(0,0)) |
| 458 |
|
| 459 |
for s in outbuffer: |
| 460 |
outfile.write(s) |
| 461 |
|
| 462 |
|
| 463 |
def filterFile(filename, out=sys.stdout): |
| 464 |
global outfile |
| 465 |
|
| 466 |
outfile = out |
| 467 |
|
| 468 |
try: |
| 469 |
root,ext = os.path.splitext(filename) |
| 470 |
|
| 471 |
if ext==".py": |
| 472 |
filter(filename) |
| 473 |
else: |
| 474 |
dump(filename) |
| 475 |
|
| 476 |
sys.stderr.write("OK\n") |
| 477 |
except IOError,e: |
| 478 |
sys.stderr.write(e[1]+"\n") |
| 479 |
|
| 480 |
|
| 481 |
###################################################################### |
| 482 |
|
| 483 |
# preparePath |
| 484 |
def preparePath(path): |
| 485 |
"""Prepare a path. |
| 486 |
|
| 487 |
Checks if the path exists and creates it if it does not exist. |
| 488 |
""" |
| 489 |
if not os.path.exists(path): |
| 490 |
parent = os.path.dirname(path) |
| 491 |
if parent!="": |
| 492 |
preparePath(parent) |
| 493 |
os.mkdir(path) |
| 494 |
|
| 495 |
# isNewer |
| 496 |
def isNewer(file1,file2): |
| 497 |
"""Check if file1 is newer than file2. |
| 498 |
|
| 499 |
file1 must be an existing file. |
| 500 |
""" |
| 501 |
if not os.path.exists(file2): |
| 502 |
return True |
| 503 |
return os.stat(file1)[ST_MTIME]>os.stat(file2)[ST_MTIME] |
| 504 |
|
| 505 |
# convert |
| 506 |
def convert(srcpath, destpath): |
| 507 |
"""Convert a Python source tree into a C+ stub tree. |
| 508 |
|
| 509 |
All *.py files in srcpath (including sub-directories) are filtered |
| 510 |
and written to destpath. If destpath exists, only the files |
| 511 |
that have been modified are filtered again. Files that were deleted |
| 512 |
from srcpath are also deleted in destpath if they are still present. |
| 513 |
The function returns the number of processed *.py files. |
| 514 |
""" |
| 515 |
count=0 |
| 516 |
sp = os.path.join(srcpath,"*") |
| 517 |
sfiles = glob.glob(sp) |
| 518 |
dp = os.path.join(destpath,"*") |
| 519 |
dfiles = glob.glob(dp) |
| 520 |
leftovers={} |
| 521 |
for df in dfiles: |
| 522 |
leftovers[os.path.basename(df)]=1 |
| 523 |
|
| 524 |
for srcfile in sfiles: |
| 525 |
basename = os.path.basename(srcfile) |
| 526 |
if basename in leftovers: |
| 527 |
del leftovers[basename] |
| 528 |
|
| 529 |
# Is it a subdirectory? |
| 530 |
if os.path.isdir(srcfile): |
| 531 |
sdir = os.path.join(srcpath,basename) |
| 532 |
ddir = os.path.join(destpath,basename) |
| 533 |
count+=convert(sdir, ddir) |
| 534 |
continue |
| 535 |
# Check the extension (only *.py will be converted) |
| 536 |
root, ext = os.path.splitext(srcfile) |
| 537 |
if ext.lower()!=".py": |
| 538 |
continue |
| 539 |
|
| 540 |
destfile = os.path.join(destpath,basename) |
| 541 |
if destfile==srcfile: |
| 542 |
print "WARNING: Input and output names are identical!" |
| 543 |
sys.exit(1) |
| 544 |
|
| 545 |
count+=1 |
| 546 |
# sys.stdout.write("%s\015"%(srcfile)) |
| 547 |
|
| 548 |
if isNewer(srcfile, destfile): |
| 549 |
preparePath(os.path.dirname(destfile)) |
| 550 |
# out=open(destfile,"w") |
| 551 |
# filterFile(srcfile, out) |
| 552 |
# out.close() |
| 553 |
os.system("python %s -f %s>%s"%(sys.argv[0],srcfile,destfile)) |
| 554 |
|
| 555 |
# Delete obsolete files in destpath |
| 556 |
for df in leftovers: |
| 557 |
dname=os.path.join(destpath,df) |
| 558 |
if os.path.isdir(dname): |
| 559 |
try: |
| 560 |
shutil.rmtree(dname) |
| 561 |
except: |
| 562 |
print "Can't remove obsolete directory '%s'"%dname |
| 563 |
else: |
| 564 |
try: |
| 565 |
os.remove(dname) |
| 566 |
except: |
| 567 |
print "Can't remove obsolete file '%s'"%dname |
| 568 |
|
| 569 |
return count |
| 570 |
|
| 571 |
|
| 572 |
###################################################################### |
| 573 |
###################################################################### |
| 574 |
###################################################################### |
| 575 |
|
| 576 |
filter_file = False |
| 577 |
|
| 578 |
try: |
| 579 |
opts, args = getopt.getopt(sys.argv[1:], "hf", ["help"]) |
| 580 |
except getopt.GetoptError,e: |
| 581 |
print e |
| 582 |
sys.exit(1) |
| 583 |
|
| 584 |
for o,a in opts: |
| 585 |
if o=="-f": |
| 586 |
filter_file = True |
| 587 |
|
| 588 |
if filter_file: |
| 589 |
# Filter the specified file and print the result to stdout |
| 590 |
filename = string.join(args) |
| 591 |
filterFile(filename) |
| 592 |
else: |
| 593 |
|
| 594 |
if len(args)!=2: |
| 595 |
sys.stderr.write("%s options input output\n"%(os.path.basename(sys.argv[0]))) |
| 596 |
sys.exit(1) |
| 597 |
|
| 598 |
# Filter an entire Python source tree |
| 599 |
print '"%s" -> "%s"\n'%(args[0],args[1]) |
| 600 |
c=convert(args[0],args[1]) |
| 601 |
print "%d files"%(c) |
| 602 |
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