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CGeneratorz� 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.
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d | _ d S)N� )� indent_level)�self� r �F/opt/alt/python35/lib/python3.5/site-packages/pycparser/c_generator.py�__init__ s zCGenerator.__init__c C s d | j S)N� )r )r r r r � _make_indent s zCGenerator._make_indentc C s) d | j j } t | | | j � | � S)N�visit_)� __class__�__name__�getattr�
generic_visit)r �node�methodr r r �visit s zCGenerator.visitc s: | d k r d Sd j � f d d � | j � D� � Sd S)N� c 3 s$ | ] \ } } � j | � Vq d S)N)r )�.0Zc_name�c)r r r � <genexpr># s z+CGenerator.generic_visit.<locals>.<genexpr>)�join�children)r r r )r r r s zCGenerator.generic_visitc C s | j S)N)�value)r �nr r r �visit_Constant% s zCGenerator.visit_Constantc C s | j S)N)�name)r r r r r �visit_ID( s zCGenerator.visit_IDc C s. | j | j � } | d | j | j � d S)N�[�])�_parenthesize_unless_simpler r Z subscript)r r Zarrrefr r r �visit_ArrayRef+ s zCGenerator.visit_ArrayRefc C s- | j | j � } | | j | j | j � S)N)r! r �typer �field)r r Zsrefr r r �visit_StructRef/ s zCGenerator.visit_StructRefc C s. | j | j � } | d | j | j � d S)N�(�))r! r r �args)r r Zfrefr r r �visit_FuncCall3 s zCGenerator.visit_FuncCallc C sx | j | j � } | j d k r) d | S| j d k r@ d | S| j d k rc d | j | j � Sd | j | f Sd S)Nzp++z%s++zp--z%s--�sizeofz
sizeof(%s)z%s%s)r! �expr�opr )r r �operandr r r �
visit_UnaryOp7 s zCGenerator.visit_UnaryOpc sV � j | j � f d d � � } � j | j � f d d � � } d | | j | f S)Nc s � j | � S)N)�_is_simple_node)�d)r r r �<lambda>F s z+CGenerator.visit_BinaryOp.<locals>.<lambda>c s � j | � S)N)r/ )r0 )r r r r1 H s z%s %s %s)�_parenthesize_if�left�rightr, )r r Zlval_str�rval_strr )r r �visit_BinaryOpD s
zCGenerator.visit_BinaryOpc C s; | j | j d d � � } d | j | j � | j | f S)Nc S s t | t j � S)N)�
isinstancer �
Assignment)r r r r r1 N s z-CGenerator.visit_Assignment.<locals>.<lambda>z%s %s %s)r2 Zrvaluer Zlvaluer, )r r r5 r r r �visit_AssignmentK s zCGenerator.visit_Assignmentc C s d j | j � S)Nr
)r �names)r r r r r �visit_IdentifierTypeQ s z CGenerator.visit_IdentifierTypec C s_ t | t j � r' d | j | � d St | t j � rN d | j | � d S| j | � Sd S)N�{�}r& r' )r7 r ZInitListr �ExprList)r r r r r � _visit_exprT s
zCGenerator._visit_exprFc C sh | r | j n | j | � } | j rA | d | j | j � 7} | j rd | d | j | j � 7} | S)Nz : z = )r �_generate_declZbitsizer �initr? )r r �no_type�sr r r �
visit_Decl\ s zCGenerator.visit_Declc sf � j | j d � } t | j � d k rb | d d j � f d d � | j d d � D� � 7} | S)Nr r z, c 3 s$ | ] } � j | d d �Vq d S)rB TN)rD )r �decl)r r r r i s z,CGenerator.visit_DeclList.<locals>.<genexpr>)r �decls�lenr )r r rC r )r r �visit_DeclListf s
zCGenerator.visit_DeclListc C sC d } | j r) | d j | j � d 7} | | j | j � 7} | S)Nr r
)�storager �_generate_typer# )r r rC r r r �
visit_Typedefm s
zCGenerator.visit_Typedefc C s2 d | j | j � d } | d | j | j � S)Nr& r' r
)rJ Zto_typer! r+ )r r rC r r r �
visit_Casts s zCGenerator.visit_Castc C s= g } x' | j D] } | j | j | � � q Wd j | � S)Nz, )�exprs�appendr? r )r r �visited_subexprsr+ r r r �visit_ExprListw s zCGenerator.visit_ExprListc C s= g } x' | j D] } | j | j | � � q Wd j | � S)Nz, )rM rN r? r )r r rO r+ r r r �visit_InitList} s zCGenerator.visit_InitListc C s� d } | j r | d | j 7} | j r� | d 7} xv t | j j � D]b \ } } | | j 7} | j r� | d | j | j � 7} | t | j j � d k rF | d 7} qF W| d 7} | S)N�enumr
z {z = r z, r= )r �values� enumerateZ enumeratorsr r rG )r r rC �iZ
enumeratorr r r �
visit_Enum� s
zCGenerator.visit_Enumc s� � j | j � } d � _ � j | j � } | j rs d j � f d d � | j D� � } | d | d | d S| d | d Sd S)Nr z;
c 3 s | ] } � j | � Vq d S)N)r )r �p)r r r r � s z+CGenerator.visit_FuncDef.<locals>.<genexpr>�
)r rE r �bodyZ param_declsr )r r rE rY Zknrdeclsr )r r �
visit_FuncDef� s %zCGenerator.visit_FuncDefc C s] d } xP | j D]E } t | t j � r> | | j | � 7} q | | j | � d 7} q W| S)Nr z;
)�extr7 r ZFuncDefr )r r rC r[ r r r �
visit_FileAST� s zCGenerator.visit_FileASTc sx � j � d } � j d 7_ | j rQ | d j � f d d � | j D� � 7} � j d 8_ | � j � d 7} | S)Nz{
� r c 3 s | ] } � j | � Vq d S)N)�_generate_stmt)r �stmt)r r r r � s z,CGenerator.visit_Compound.<locals>.<genexpr>z}
)r r Z block_itemsr )r r rC r )r r �visit_Compound� s )zCGenerator.visit_Compoundc C s d S)N�;r )r r r r r �visit_EmptyStatement� s z CGenerator.visit_EmptyStatementc s# d j � f d d � | j D� � S)Nz, c 3 s | ] } � j | � Vq d S)N)r )r �param)r r r r � s z-CGenerator.visit_ParamList.<locals>.<genexpr>)r �params)r r r )r r �visit_ParamList� s zCGenerator.visit_ParamListc C s1 d } | j r) | d | j | j � 7} | d S)N�returnr
ra )r+ r )r r rC r r r � visit_Return� s zCGenerator.visit_Returnc C s d S)Nzbreak;r )r r r r r � visit_Break� s zCGenerator.visit_Breakc C s d S)Nz continue;r )r r r r r �visit_Continue� s zCGenerator.visit_Continuec C sJ | j | j � d } | | j | j � d 7} | | j | j � 7} | S)Nz ? z : )r? �cond�iftrue�iffalse)r r rC r r r �visit_TernaryOp� s zCGenerator.visit_TernaryOpc C s� d } | j r% | | j | j � 7} | d 7} | | j | j d d �7} | j r� | | j � d 7} | | j | j d d �7} | S)Nzif (z)
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add_indentTzelse
)rj r r^ rk rl r )r r rC r r r �visit_If� s
zCGenerator.visit_Ifc C s� d } | j r% | | j | j � 7} | d 7} | j rR | d | j | j � 7} | d 7} | j r | d | j | j � 7} | d 7} | | j | j d d �7} | S)Nzfor (ra r
z)
rn T)rA r rj �nextr^ r_ )r r rC r r r � visit_For� s
zCGenerator.visit_Forc C sO d } | j r% | | j | j � 7} | d 7} | | j | j d d �7} | S)Nzwhile (z)
rn T)rj r r^ r_ )r r rC r r r � visit_While� s
zCGenerator.visit_Whilec C sc d } | | j | j d d �7} | | j � d 7} | j rU | | j | j � 7} | d 7} | S)Nzdo
rn Tzwhile (z);)r^ r_ r rj r )r r rC r r r �
visit_DoWhile� s
zCGenerator.visit_DoWhilec C s: d | j | j � d } | | j | j d d �7} | S)Nzswitch (z)
rn T)r rj r^ r_ )r r rC r r r � visit_Switch� s zCGenerator.visit_Switchc C sK d | j | j � d } x* | j D] } | | j | d d �7} q$ W| S)Nzcase z:
rn T)r r+ �stmtsr^ )r r rC r_ r r r �
visit_Case� s zCGenerator.visit_Casec C s7 d } x* | j D] } | | j | d d �7} q W| S)Nz default:
rn T)ru r^ )r r rC r_ r r r �
visit_Default� s zCGenerator.visit_Defaultc C s | j d | j | j � S)Nz:
)r r^ r_ )r r r r r � visit_Label� s zCGenerator.visit_Labelc C s d | j d S)Nzgoto ra )r )r r r r r �
visit_Goto� s zCGenerator.visit_Gotoc C s d S)Nz...r )r r r r r �visit_EllipsisParam� s z CGenerator.visit_EllipsisParamc C s | j | d � S)N�struct)�_generate_struct_union)r r r r r � visit_Struct s zCGenerator.visit_Structc C s | j | j � S)N)rJ r# )r r r r r �visit_Typename s zCGenerator.visit_Typenamec C s | j | d � S)N�union)r| )r r r r r � visit_Union s zCGenerator.visit_Unionc C s� d } x^ | j D]S } t | t j � r< | d | j 7} q t | t j � r | d | j d 7} q W| d | j | j � 7} | S)Nr �.r r z = )r r7 r �ID�Constantr r r+ )r r rC r r r r �visit_NamedInitializer s z!CGenerator.visit_NamedInitializerc C s
| j | � S)N)rJ )r r r r r �visit_FuncDecl s zCGenerator.visit_FuncDeclc C s� | d | j p d } | j r� | d 7} | | j � 7} | j d 7_ | d 7} x$ | j D] } | | j | � 7} q] W| j d 8_ | | j � d 7} | S)ze Generates code for structs and unions. name should be either
'struct' or union.
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r rX r] z{
r= )r rF r r r^ )r r r rC rE r r r r| s
z!CGenerator._generate_struct_unionc C s� t | � } | r! | j d 7_ | j � } | rB | j d 8_ | t j t j t j t j t j t j t j
t j t j t j
t j t j t j f
k r� | | j | � d S| t j f k r� | j | � S| | j | � d Sd S)z� 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.
r] z;
rX N)r# r r r �Declr8 ZCast�UnaryOpZBinaryOpZ TernaryOp�FuncCall�ArrayRef� StructRefr� r� ZTypedefr> r ZCompound)r r rn �typ�indentr r r r^ ( s
zCGenerator._generate_stmtc C sb d } | j r% d j | j � d } | j rH | d j | j � d 7} | | j | j � 7} | S)z& Generation from a Decl node.
r r
)Zfuncspecr rI rJ r# )r r rC r r r r@ D s zCGenerator._generate_declc C sc t | � } | t j k r�d } | j rD | d j | j � d 7} | | j | j � 7} | j rl | j n d } x,t | � D] \ } } t | t j � r� | d k r� t | | d t j
� r� d | d } | d | j | j � d 7} q t | t j � rY| d k r8t | | d t j
� r8d | d } | d | j | j
� d 7} q t | t j
� r | j r�d d j | j � | f } q d
| } q W| r�| d | 7} | S| t j k r�| j | j � S| t j k r�| j | j � S| t j k rd j | j � d S| t j t j
t j f k rR| j | j | | g � S| j | � Sd S) z� 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.
r r
r r r& r' r r z* %s %s�*N)r# r ZTypeDeclZqualsr r ZdeclnamerT r7 Z ArrayDeclZPtrDeclZdimZFuncDeclr( r� r@ ZTypenamerJ ZIdentifierTyper: )r r � modifiersr� rC ZnstrrU �modifierr r r rJ M s@ &!&! zCGenerator._generate_typec C s/ | j | � } | | � r' d | d S| Sd S)z� Visits 'n' and returns its string representation, parenthesized
if the condition function applied to the node returns True.
r& r' N)r? )r r Z conditionrC r r r r2 { s zCGenerator._parenthesize_ifc s � j | � f d d � � S)z. Common use case for _parenthesize_if
c s � j | � S)N)r/ )r0 )r r r r1 � s z8CGenerator._parenthesize_unless_simple.<locals>.<lambda>)r2 )r r r )r r r! � s z&CGenerator._parenthesize_unless_simplec C s+ t | t j t j t j t j t j f � S)z~ Returns True for nodes that are "simple" - i.e. nodes that always
have higher precedence than operators.
)r7 r r� r� r� r� r� )r r r r r r/ � s zCGenerator._is_simple_nodeN)8r �
__module__� __qualname__�__doc__r r r r r r r" r% r) r. r6 r9 r; r? rD rH rK rL rP rQ rV rZ r\ r` rb re rg rh ri rm ro rq rr rs rt rv rw rx ry rz r} r~ r� r� r� r| r^ r@ rJ r2 r! r/ r r r r r sj
.
r N)r r �objectr r r r r �<module> s