GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /usr/lib/python3.6/site-packages/pycparser/c_generator.py
#------------------------------------------------------------------------------
# pycparser: c_generator.py
#
# C code generator from pycparser AST nodes.
#
# Copyright (C) 2008-2015, Eli Bendersky
# License: BSD
#------------------------------------------------------------------------------
from . import c_ast


class CGenerator(object):
    """ Uses the same visitor pattern as c_ast.NodeVisitor, but modified to
        return a value from each visit method, using string accumulation in
        generic_visit.
    """
    def __init__(self):
        # Statements start with indentation of self.indent_level spaces, using
        # the _make_indent method
        #
        self.indent_level = 0

    def _make_indent(self):
        return ' ' * self.indent_level

    def visit(self, node):
        method = 'visit_' + node.__class__.__name__
        return getattr(self, method, self.generic_visit)(node)

    def generic_visit(self, node):
        #~ print('generic:', type(node))
        if node is None:
            return ''
        else:
            return ''.join(self.visit(c) for c_name, c in node.children())

    def visit_Constant(self, n):
        return n.value

    def visit_ID(self, n):
        return n.name

    def visit_ArrayRef(self, n):
        arrref = self._parenthesize_unless_simple(n.name)
        return arrref + '[' + self.visit(n.subscript) + ']'

    def visit_StructRef(self, n):
        sref = self._parenthesize_unless_simple(n.name)
        return sref + n.type + self.visit(n.field)

    def visit_FuncCall(self, n):
        fref = self._parenthesize_unless_simple(n.name)
        return fref + '(' + self.visit(n.args) + ')'

    def visit_UnaryOp(self, n):
        operand = self._parenthesize_unless_simple(n.expr)
        if n.op == 'p++':
            return '%s++' % operand
        elif n.op == 'p--':
            return '%s--' % operand
        elif n.op == 'sizeof':
            # Always parenthesize the argument of sizeof since it can be
            # a name.
            return 'sizeof(%s)' % self.visit(n.expr)
        else:
            return '%s%s' % (n.op, operand)

    def visit_BinaryOp(self, n):
        lval_str = self._parenthesize_if(n.left,
                            lambda d: not self._is_simple_node(d))
        rval_str = self._parenthesize_if(n.right,
                            lambda d: not self._is_simple_node(d))
        return '%s %s %s' % (lval_str, n.op, rval_str)

    def visit_Assignment(self, n):
        rval_str = self._parenthesize_if(
                            n.rvalue,
                            lambda n: isinstance(n, c_ast.Assignment))
        return '%s %s %s' % (self.visit(n.lvalue), n.op, rval_str)

    def visit_IdentifierType(self, n):
        return ' '.join(n.names)

    def _visit_expr(self, n):
        if isinstance(n, c_ast.InitList):
            return '{' + self.visit(n) + '}'
        elif isinstance(n, c_ast.ExprList):
            return '(' + self.visit(n) + ')'
        else:
            return self.visit(n)

    def visit_Decl(self, n, no_type=False):
        # no_type is used when a Decl is part of a DeclList, where the type is
        # explicitly only for the first declaration in a list.
        #
        s = n.name if no_type else self._generate_decl(n)
        if n.bitsize: s += ' : ' + self.visit(n.bitsize)
        if n.init:
            s += ' = ' + self._visit_expr(n.init)
        return s

    def visit_DeclList(self, n):
        s = self.visit(n.decls[0])
        if len(n.decls) > 1:
            s += ', ' + ', '.join(self.visit_Decl(decl, no_type=True)
                                    for decl in n.decls[1:])
        return s

    def visit_Typedef(self, n):
        s = ''
        if n.storage: s += ' '.join(n.storage) + ' '
        s += self._generate_type(n.type)
        return s

    def visit_Cast(self, n):
        s = '(' + self._generate_type(n.to_type) + ')'
        return s + ' ' + self._parenthesize_unless_simple(n.expr)

    def visit_ExprList(self, n):
        visited_subexprs = []
        for expr in n.exprs:
            visited_subexprs.append(self._visit_expr(expr))
        return ', '.join(visited_subexprs)

    def visit_InitList(self, n):
        visited_subexprs = []
        for expr in n.exprs:
            visited_subexprs.append(self._visit_expr(expr))
        return ', '.join(visited_subexprs)

    def visit_Enum(self, n):
        s = 'enum'
        if n.name: s += ' ' + n.name
        if n.values:
            s += ' {'
            for i, enumerator in enumerate(n.values.enumerators):
                s += enumerator.name
                if enumerator.value:
                    s += ' = ' + self.visit(enumerator.value)
                if i != len(n.values.enumerators) - 1:
                    s += ', '
            s += '}'
        return s

    def visit_FuncDef(self, n):
        decl = self.visit(n.decl)
        self.indent_level = 0
        body = self.visit(n.body)
        if n.param_decls:
            knrdecls = ';\n'.join(self.visit(p) for p in n.param_decls)
            return decl + '\n' + knrdecls + ';\n' + body + '\n'
        else:
            return decl + '\n' + body + '\n'

    def visit_FileAST(self, n):
        s = ''
        for ext in n.ext:
            if isinstance(ext, c_ast.FuncDef):
                s += self.visit(ext)
            else:
                s += self.visit(ext) + ';\n'
        return s

    def visit_Compound(self, n):
        s = self._make_indent() + '{\n'
        self.indent_level += 2
        if n.block_items:
            s += ''.join(self._generate_stmt(stmt) for stmt in n.block_items)
        self.indent_level -= 2
        s += self._make_indent() + '}\n'
        return s

    def visit_EmptyStatement(self, n):
        return ';'

    def visit_ParamList(self, n):
        return ', '.join(self.visit(param) for param in n.params)

    def visit_Return(self, n):
        s = 'return'
        if n.expr: s += ' ' + self.visit(n.expr)
        return s + ';'

    def visit_Break(self, n):
        return 'break;'

    def visit_Continue(self, n):
        return 'continue;'

    def visit_TernaryOp(self, n):
        s = self._visit_expr(n.cond) + ' ? '
        s += self._visit_expr(n.iftrue) + ' : '
        s += self._visit_expr(n.iffalse)
        return s

    def visit_If(self, n):
        s = 'if ('
        if n.cond: s += self.visit(n.cond)
        s += ')\n'
        s += self._generate_stmt(n.iftrue, add_indent=True)
        if n.iffalse:
            s += self._make_indent() + 'else\n'
            s += self._generate_stmt(n.iffalse, add_indent=True)
        return s

    def visit_For(self, n):
        s = 'for ('
        if n.init: s += self.visit(n.init)
        s += ';'
        if n.cond: s += ' ' + self.visit(n.cond)
        s += ';'
        if n.next: s += ' ' + self.visit(n.next)
        s += ')\n'
        s += self._generate_stmt(n.stmt, add_indent=True)
        return s

    def visit_While(self, n):
        s = 'while ('
        if n.cond: s += self.visit(n.cond)
        s += ')\n'
        s += self._generate_stmt(n.stmt, add_indent=True)
        return s

    def visit_DoWhile(self, n):
        s = 'do\n'
        s += self._generate_stmt(n.stmt, add_indent=True)
        s += self._make_indent() + 'while ('
        if n.cond: s += self.visit(n.cond)
        s += ');'
        return s

    def visit_Switch(self, n):
        s = 'switch (' + self.visit(n.cond) + ')\n'
        s += self._generate_stmt(n.stmt, add_indent=True)
        return s

    def visit_Case(self, n):
        s = 'case ' + self.visit(n.expr) + ':\n'
        for stmt in n.stmts:
            s += self._generate_stmt(stmt, add_indent=True)
        return s

    def visit_Default(self, n):
        s = 'default:\n'
        for stmt in n.stmts:
            s += self._generate_stmt(stmt, add_indent=True)
        return s

    def visit_Label(self, n):
        return n.name + ':\n' + self._generate_stmt(n.stmt)

    def visit_Goto(self, n):
        return 'goto ' + n.name + ';'

    def visit_EllipsisParam(self, n):
        return '...'

    def visit_Struct(self, n):
        return self._generate_struct_union(n, 'struct')

    def visit_Typename(self, n):
        return self._generate_type(n.type)

    def visit_Union(self, n):
        return self._generate_struct_union(n, 'union')

    def visit_NamedInitializer(self, n):
        s = ''
        for name in n.name:
            if isinstance(name, c_ast.ID):
                s += '.' + name.name
            elif isinstance(name, c_ast.Constant):
                s += '[' + name.value + ']'
        s += ' = ' + self.visit(n.expr)
        return s

    def visit_FuncDecl(self, n):
        return self._generate_type(n)

    def _generate_struct_union(self, n, name):
        """ Generates code for structs and unions. name should be either
            'struct' or union.
        """
        s = name + ' ' + (n.name or '')
        if n.decls:
            s += '\n'
            s += self._make_indent()
            self.indent_level += 2
            s += '{\n'
            for decl in n.decls:
                s += self._generate_stmt(decl)
            self.indent_level -= 2
            s += self._make_indent() + '}'
        return s

    def _generate_stmt(self, n, add_indent=False):
        """ Generation from a statement node. This method exists as a wrapper
            for individual visit_* methods to handle different treatment of
            some statements in this context.
        """
        typ = type(n)
        if add_indent: self.indent_level += 2
        indent = self._make_indent()
        if add_indent: self.indent_level -= 2

        if typ in (
                c_ast.Decl, c_ast.Assignment, c_ast.Cast, c_ast.UnaryOp,
                c_ast.BinaryOp, c_ast.TernaryOp, c_ast.FuncCall, c_ast.ArrayRef,
                c_ast.StructRef, c_ast.Constant, c_ast.ID, c_ast.Typedef,
                c_ast.ExprList):
            # These can also appear in an expression context so no semicolon
            # is added to them automatically
            #
            return indent + self.visit(n) + ';\n'
        elif typ in (c_ast.Compound,):
            # No extra indentation required before the opening brace of a
            # compound - because it consists of multiple lines it has to
            # compute its own indentation.
            #
            return self.visit(n)
        else:
            return indent + self.visit(n) + '\n'

    def _generate_decl(self, n):
        """ Generation from a Decl node.
        """
        s = ''
        if n.funcspec: s = ' '.join(n.funcspec) + ' '
        if n.storage: s += ' '.join(n.storage) + ' '
        s += self._generate_type(n.type)
        return s

    def _generate_type(self, n, modifiers=[]):
        """ Recursive generation from a type node. n is the type node.
            modifiers collects the PtrDecl, ArrayDecl and FuncDecl modifiers
            encountered on the way down to a TypeDecl, to allow proper
            generation from it.
        """
        typ = type(n)
        #~ print(n, modifiers)

        if typ == c_ast.TypeDecl:
            s = ''
            if n.quals: s += ' '.join(n.quals) + ' '
            s += self.visit(n.type)

            nstr = n.declname if n.declname else ''
            # Resolve modifiers.
            # Wrap in parens to distinguish pointer to array and pointer to
            # function syntax.
            #
            for i, modifier in enumerate(modifiers):
                if isinstance(modifier, c_ast.ArrayDecl):
                    if (i != 0 and isinstance(modifiers[i - 1], c_ast.PtrDecl)):
                        nstr = '(' + nstr + ')'
                    nstr += '[' + self.visit(modifier.dim) + ']'
                elif isinstance(modifier, c_ast.FuncDecl):
                    if (i != 0 and isinstance(modifiers[i - 1], c_ast.PtrDecl)):
                        nstr = '(' + nstr + ')'
                    nstr += '(' + self.visit(modifier.args) + ')'
                elif isinstance(modifier, c_ast.PtrDecl):
                    if modifier.quals:
                        nstr = '* %s %s' % (' '.join(modifier.quals), nstr)
                    else:
                        nstr = '*' + nstr
            if nstr: s += ' ' + nstr
            return s
        elif typ == c_ast.Decl:
            return self._generate_decl(n.type)
        elif typ == c_ast.Typename:
            return self._generate_type(n.type)
        elif typ == c_ast.IdentifierType:
            return ' '.join(n.names) + ' '
        elif typ in (c_ast.ArrayDecl, c_ast.PtrDecl, c_ast.FuncDecl):
            return self._generate_type(n.type, modifiers + [n])
        else:
            return self.visit(n)

    def _parenthesize_if(self, n, condition):
        """ Visits 'n' and returns its string representation, parenthesized
            if the condition function applied to the node returns True.
        """
        s = self._visit_expr(n)
        if condition(n):
            return '(' + s + ')'
        else:
            return s

    def _parenthesize_unless_simple(self, n):
        """ Common use case for _parenthesize_if
        """
        return self._parenthesize_if(n, lambda d: not self._is_simple_node(d))

    def _is_simple_node(self, n):
        """ Returns True for nodes that are "simple" - i.e. nodes that always
            have higher precedence than operators.
        """
        return isinstance(n,(   c_ast.Constant, c_ast.ID, c_ast.ArrayRef,
                                c_ast.StructRef, c_ast.FuncCall))

Youez - 2016 - github.com/yon3zu
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