diff runtime/autoload/pythoncomplete.vim @ 827:fd1b3406fd1c v7.0d02

updated for version 7.0d02
author vimboss
date Wed, 12 Apr 2006 21:52:12 +0000
parents
children 8e5830943bff
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+"pythoncomplete.vim - Omni Completion for python
+" Maintainer: Aaron Griffin
+" Version: 0.3
+" Last Updated: 23 January 2006
+"
+"   v0.3 Changes:
+"       added top level def parsing
+"       for safety, call returns are not evaluated
+"       handful of parsing changes
+"       trailing ( and . characters
+"       argument completion on open parens
+"       stop parsing at current line - ++performance, local var resolution
+"
+"   TODO
+"       RExec subclass
+"       Code cleanup + make class
+"       use internal dict, not globals()
+
+if !has('python')
+    echo "Error: Required vim compiled with +python"
+    finish
+endif
+
+function! pythoncomplete#Complete(findstart, base)
+    "findstart = 1 when we need to get the text length
+    if a:findstart
+        let line = getline('.')
+        let idx = col('.')
+        while idx > 0
+            let idx -= 1
+            let c = line[idx-1]
+            if c =~ '\w'
+                continue
+            elseif ! c =~ '\.'
+                idx = -1
+                break
+            else
+                break
+            endif
+        endwhile
+
+        return idx
+    "findstart = 0 when we need to return the list of completions
+    else
+        execute "python get_completions('" . a:base . "')"
+        return g:pythoncomplete_completions
+    endif
+endfunction
+
+function! s:DefPython()
+python << PYTHONEOF
+import vim, sys, types
+import __builtin__
+import tokenize, keyword, cStringIO
+
+LOCALDEFS = \
+	['LOCALDEFS', 'clean_up','eval_source_code', \
+	 'get_completions', '__builtin__', '__builtins__', \
+	 'dbg', '__name__', 'vim', 'sys', 'parse_to_end', \
+     'parse_statement', 'tokenize', 'keyword', 'cStringIO', \
+     'debug_level', 'safe_eval', '_ctor', 'get_arguments', \
+     'strip_calls', 'types', 'parse_block']
+
+def dbg(level,msg):
+    debug_level = 1
+    try:
+        debug_level = vim.eval("g:pythoncomplete_debug_level")
+    except:
+        pass
+    if level <= debug_level: print(msg)
+
+def strip_calls(stmt):
+    parsed=''
+    level = 0
+    for c in stmt:
+        if c in ['[','(']:
+            level += 1
+        elif c in [')',']']:
+            level -= 1
+        elif level == 0:
+            parsed += c
+    ##dbg(10,"stripped: %s" % parsed)
+    return parsed
+
+def get_completions(base):
+    stmt = vim.eval('expand("<cWORD>")')
+    #dbg(1,"statement: %s - %s" % (stmt, base))
+    stmt = stmt+base
+    eval_source_code()
+
+    try:
+        ridx = stmt.rfind('.')
+        if stmt[-1] == '(':
+            match = ""
+            stmt = strip_calls(stmt[:len(stmt)-1])
+            all = get_arguments(eval(stmt))
+        elif ridx == -1:
+            match = stmt
+            all = globals() + __builtin__.__dict__
+        else:
+            match = stmt[ridx+1:]
+            stmt = strip_calls(stmt[:ridx])
+            all = eval(stmt).__dict__
+
+        #dbg(15,"completions for: %s, match=%s" % (stmt,match))
+        completions = []
+        if type(all) == types.DictType:
+            for m in all:
+                if m.find('_') != 0 and m.find(match) == 0 and \
+			       m not in LOCALDEFS:
+                    #dbg(25,"matched... %s, %s" % (m, m.find(match)))
+                    typestr = str(all[m])
+                    if "function" in typestr: m += '('
+                    elif "method" in typestr: m += '('
+                    elif "module" in typestr: m += '.'
+                    elif "class" in typestr: m += '('
+                    completions.append(m)
+            completions.sort()
+        else:
+            completions.append(all)
+        #dbg(10,"all completions: %s" % completions)
+        vim.command("let g:pythoncomplete_completions = %s" % completions)
+    except:
+        vim.command("let g:pythoncomplete_completions = []")
+        #dbg(1,"exception: %s" % sys.exc_info()[1])
+    clean_up()
+
+def get_arguments(func_obj):
+    def _ctor(obj):
+        try:
+            return class_ob.__init__.im_func
+        except AttributeError:
+            for base in class_ob.__bases__:
+                rc = _find_constructor(base)
+                if rc is not None: return rc
+        return None
+
+    arg_offset = 1
+    if type(func_obj) == types.ClassType: func_obj = _ctor(func_obj)
+    elif type(func_obj) == types.MethodType: func_obj = func_obj.im_func
+    else: arg_offset = 0
+    
+    #dbg(20,"%s, offset=%s" % (str(func_obj), arg_offset))
+
+    arg_text = ''
+    if type(func_obj) in [types.FunctionType, types.LambdaType]:
+        try:
+            cd = func_obj.func_code
+            real_args = cd.co_varnames[arg_offset:cd.co_argcount]
+            defaults = func_obj.func_defaults or []
+            defaults = list(map(lambda name: "=%s" % name, defaults))
+            defaults = [""] * (len(real_args)-len(defaults)) + defaults
+            items = map(lambda a,d: a+d, real_args, defaults)
+            if func_obj.func_code.co_flags & 0x4:
+                items.append("...")
+            if func_obj.func_code.co_flags & 0x8:
+                items.append("***")
+            arg_text = ", ".join(items) + ')'
+
+        except:
+            #dbg(1,"exception: %s" % sys.exc_info()[1])
+            pass
+    if len(arg_text) == 0:
+        # The doc string sometimes contains the function signature
+        #  this works for alot of C modules that are part of the
+        #  standard library
+        doc = getattr(func_obj, '__doc__', '')
+        if doc:
+            doc = doc.lstrip()
+            pos = doc.find('\n')
+            if pos > 0:
+                sigline = doc[:pos]
+                lidx = sigline.find('(')
+                ridx = sigline.find(')')
+                retidx = sigline.find('->')
+                ret = sigline[retidx+2:].strip()
+                if lidx > 0 and ridx > 0:
+                    arg_text = sigline[lidx+1:ridx] + ')'
+                    if len(ret) > 0: arg_text += ' #returns %s' % ret
+    #dbg(15,"argument completion: %s" % arg_text)
+    return arg_text
+
+def parse_to_end(gen):
+    stmt=''
+    level = 0
+    for type, str, begin, end, line in gen:
+        if line == vim.eval('getline(\'.\')'): break
+        elif str == '\\': continue
+        elif str == ';':
+            break
+        elif type == tokenize.NEWLINE and level == 0:
+            break
+        elif str in ['[','(']:
+            level += 1
+        elif str in [')',']']:
+            level -= 1
+        elif level == 0:
+            stmt += str
+        #dbg(10,"current statement: %s" % stmt)
+    return stmt
+
+def parse_block(gen):
+    lines = []
+    level = 0
+    for type, str, begin, end, line in gen:
+        if line.replace('\n','') == vim.eval('getline(\'.\')'): break
+        elif type == tokenize.INDENT:
+            level += 1
+        elif type == tokenize.DEDENT:
+            level -= 1
+            if level == 0: break;
+        else:
+            stmt = parse_statement(gen,str)
+            if len(stmt) > 0: lines.append(stmt)
+    return lines
+
+def parse_statement(gen,curstr=''):
+    var = curstr
+    type, str, begin, end, line = gen.next()
+    if str == '=':
+        type, str, begin, end, line = gen.next()
+        if type == tokenize.NEWLINE:
+            return ''
+        elif type == tokenize.STRING or str == 'str':  
+            return '%s = str' % var
+        elif str == '[' or str == 'list':
+            return '%s= list' % var
+        elif str == '{' or str == 'dict':
+            return '%s = dict' % var
+        elif type == tokenize.NUMBER:
+            return '%s = 0' % var
+        elif str == 'Set': 
+            return '%s = Set' % var
+        elif str == 'open' or str == 'file':
+            return '%s = file' % var
+        else:
+            inst = str + parse_to_end(gen)
+            if len(inst) > 0:
+                #dbg(5,"found [%s = %s]" % (var, inst))
+                return '%s = %s' % (var, inst)
+    return ''
+
+def eval_source_code():
+    LINE=vim.eval('getline(\'.\')')
+    s = cStringIO.StringIO('\n'.join(vim.current.buffer[:]) + '\n')
+    g = tokenize.generate_tokens(s.readline)
+
+    stmts = []
+    lineNo = 0
+    try:
+        for type, str, begin, end, line in g:
+            if line.replace('\n','') == vim.eval('getline(\'.\')'): break
+            elif begin[0] == lineNo: continue
+            #junk
+            elif type == tokenize.INDENT or \
+                 type == tokenize.DEDENT or \
+                 type == tokenize.ERRORTOKEN or \
+                 type == tokenize.ENDMARKER or \
+                 type == tokenize.NEWLINE or \
+                 type == tokenize.COMMENT:
+                continue
+            #import statement
+            elif str == 'import':
+                import_stmt=parse_to_end(g)
+                if len(import_stmt) > 0:
+                    #dbg(5,"found [import %s]" % import_stmt)
+                    stmts.append("import %s" % import_stmt)
+            #import from statement
+            elif str == 'from':
+                type, str, begin, end, line = g.next()
+                mod = str
+
+                type, str, begin, end, line = g.next()
+                if str != "import": break
+                from_stmt=parse_to_end(g)
+                if len(from_stmt) > 0:
+                    #dbg(5,"found [from %s import %s]" % (mod, from_stmt))
+                    stmts.append("from %s import %s" % (mod, from_stmt))
+            #def statement
+            elif str == 'def':
+                funcstr = ''
+                for type, str, begin, end, line in g:
+                    if line.replace('\n','') == vim.eval('getline(\'.\')'): break
+                    elif str == ':':
+                        stmts += parse_block(g)
+                        break
+                    funcstr += str
+                if len(funcstr) > 0:
+                    #dbg(5,"found [def %s]" % funcstr)
+                    stmts.append("def %s:\n   pass" % funcstr)
+            #class declaration
+            elif str == 'class':
+                type, str, begin, end, line = g.next()
+                classname = str
+                #dbg(5,"found [class %s]" % classname)
+
+                level = 0
+                members = []
+                for type, str, begin, end, line in g:
+                    if line.replace('\n','') == vim.eval('getline(\'.\')'): break
+                    elif type == tokenize.INDENT:
+                        level += 1
+                    elif type == tokenize.DEDENT:
+                        level -= 1
+                        if level == 0: break;
+                    elif str == 'def':
+                        memberstr = ''
+                        for type, str, begin, end, line in g:
+                            if line.replace('\n','') == vim.eval('getline(\'.\')'): break
+                            elif str == ':':
+                                stmts += parse_block(g)
+                                break
+                            memberstr += str
+                        #dbg(5,"   member [%s]" % memberstr)
+                        members.append(memberstr)
+                classstr = 'class %s:' % classname
+                for m in members:
+                    classstr += ("\n   def %s:\n      pass" % m)
+                stmts.append("%s\n" % classstr)
+            elif keyword.iskeyword(str) or str in globals():
+                #dbg(5,"keyword = %s" % str)
+                lineNo = begin[0]
+            else:
+                assign = parse_statement(g,str)
+                if len(assign) > 0: stmts.append(assign)
+                
+        for s in stmts:
+            try:
+                #dbg(15,"evaluating: %s\n" % s)
+                exec(s) in globals()
+            except:
+                #dbg(1,"exception: %s" % sys.exc_info()[1])
+                pass
+    except:
+        #dbg(1,"exception: %s" % sys.exc_info()[1])
+        pass
+
+def clean_up():
+    for o in globals().keys():
+        if o not in LOCALDEFS:
+            try:
+                exec('del %s' % o) in globals()
+            except: pass
+
+sys.path.extend(['.','..'])
+PYTHONEOF
+endfunction
+
+let g:pythoncomplete_debug_level = 0
+call s:DefPython()
+" vim: set et ts=4: