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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 )Né ©Ú indent_level©Úself© r ú/c_generator.pyÚ__init__ s zCGenerator.__init__c C s
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Ú <genexpr># s z+CGenerator.generic_visit.<locals>.<genexpr>)ÚjoinZchildren)r r r r r
r s zCGenerator.generic_visitc C s |j S r )Úvalue©r Únr r r
Úvisit_Constant% s zCGenerator.visit_Constantc C s |j S r ©Únamer r r r
Úvisit_ID( s zCGenerator.visit_IDc C s$ | |j¡}|d | |j¡ d S )Nú[ú])Ú_parenthesize_unless_simpler" r Z subscript)r r Zarrrefr r r
Úvisit_ArrayRef+ s zCGenerator.visit_ArrayRefc C s" | |j¡}||j | |j¡ S r )r& r" Útyper Zfield)r r Zsrefr r r
Úvisit_StructRef/ s zCGenerator.visit_StructRefc C s$ | |j¡}|d | |j¡ d S )Nú(ú))r& r" r Úargs)r r Zfrefr r r
Úvisit_FuncCall3 s zCGenerator.visit_FuncCallc C s\ | |j¡}|jdkr d| S |jdkr0d| S |jdkrJd| |j¡ S d|j|f S d S )Nzp++z%s++zp--z%s--Zsizeofz
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zCGenerator.visit_UnaryOpc s< ˆ |j‡ fdd„¡}ˆ |j‡ fdd„¡}d||j|f S )Nc s ˆ | ¡ S r ©Ú_is_simple_node©Údr r r
Ú<lambda>F ó z+CGenerator.visit_BinaryOp.<locals>.<lambda>c s ˆ | ¡ S r r1 r3 r r r
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r i s ÿz,CGenerator.visit_DeclList.<locals>.<genexpr>)r ÚdeclsÚlenr ©r r rK r r r
Úvisit_DeclListf s ÿ zCGenerator.visit_DeclListc C s2 d}|j r |d |j ¡d 7 }|| |j¡7 }|S )Nr r
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zCGenerator.visit_InitListc C sˆ d}|j r|d|j 7 }|jr„|d7 }t|jjƒD ]H\}}||j 7 }|jr^|d| |j¡ 7 }|t|jjƒd kr2|d7 }q2|d7 }|S )NÚenumr
z {rG r rM rC )r" ÚvaluesÚ enumerateZ enumeratorsr r rP )r r rK ÚiZ
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zCGenerator.visit_Enumc sj ˆ |j¡}dˆ _ˆ |j¡}|jrVd ‡ fdd„|jD ƒ¡}|d | d | d S |d | d S d S )Nr ú;
c 3 s | ]}ˆ |¡V qd S r r )r Úpr r r
r – s z+CGenerator.visit_FuncDef.<locals>.<genexpr>Ú
)r rN r ÚbodyZ param_declsr )r r rN re Zknrdeclsr r r
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visit_FuncDef‘ s zCGenerator.visit_FuncDefc C sB d}|j D ]2}t|tjƒr*|| |¡7 }q
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|S )Nr rb )Úextr= r ZFuncDefr )r r rK rg r r r
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visit_FileAST› s
zCGenerator.visit_FileASTc s` ˆ ¡ d }ˆ jd7 _|jr>|d ‡ fdd„|jD ƒ¡7 }ˆ jd8 _|ˆ ¡ d 7 }|S )Nú{
é r c 3 s | ]}ˆ |¡V qd S r )Ú_generate_stmt)r Ústmtr r r
r ¨ s z,CGenerator.visit_Compound.<locals>.<genexpr>z}
)r r Z block_itemsr rQ r r r
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Úvisit_EmptyStatement s z CGenerator.visit_EmptyStatementc s d ‡ fdd„|jD ƒ¡S )NrM c 3 s | ]}ˆ |¡V qd S r r )r Zparamr r r
r ± s z-CGenerator.visit_ParamList.<locals>.<genexpr>)r Zparamsr r r r
Úvisit_ParamList° s zCGenerator.visit_ParamListc C s& d}|j r |d| |j ¡ 7 }|d S )NÚreturnr
rn )r. r rQ r r r
Ú visit_Return³ s zCGenerator.visit_Returnc C s dS )Nzbreak;r r r r r
Ú visit_Break¸ s zCGenerator.visit_Breakc C s dS )Nz continue;r r r r r
Úvisit_Continue» s zCGenerator.visit_Continuec C s8 | |j¡d }|| |j¡d 7 }|| |j¡7 }|S )Nz ? rF )rE ÚcondÚiftrueÚiffalserQ r r r
Úvisit_TernaryOp¾ s zCGenerator.visit_TernaryOpc C sd d}|j r|| |j ¡7 }|d7 }|| j|jdd7 }|jr`|| ¡ d 7 }|| j|jdd7 }|S )Nzif (ú)
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add_indentzelse
)ru r rk rv rw r rQ r r r
Úvisit_IfÄ s zCGenerator.visit_Ifc C s~ d}|j r|| |j ¡7 }|d7 }|jr<|d| |j¡ 7 }|d7 }|jr^|d| |j¡ 7 }|d7 }|| j|jdd7 }|S )Nzfor (rn r
ry Trz )rI r ru Únextrk rl rQ r r r
Ú visit_ForÎ s zCGenerator.visit_Forc C s: d}|j r|| |j ¡7 }|d7 }|| j|jdd7 }|S )Núwhile (ry Trz )ru r rk rl rQ r r r
Ú visit_WhileÙ s zCGenerator.visit_Whilec C sJ d}|| j |jdd7 }|| ¡ d 7 }|jr>|| |j¡7 }|d7 }|S )Nzdo
Trz r z);)rk rl r ru r rQ r r r
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visit_DoWhileà s zCGenerator.visit_DoWhilec C s, d| |j¡ d }|| j|jdd7 }|S )Nzswitch (ry Trz )r ru rk rl rQ r r r
Ú visit_Switchè s zCGenerator.visit_Switchc C s6 d| |j¡ d }|jD ]}|| j|dd7 }q|S )Nzcase ú:
Trz )r r. Ústmtsrk ©r r rK rl r r r
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visit_Caseí s
zCGenerator.visit_Casec C s& d}|j D ]}|| j|dd7 }q
|S )Nz default:
Trz )r„ rk r… r r r
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visit_Defaultó s
zCGenerator.visit_Defaultc C s |j d | |j¡ S )Nrƒ )r" rk rl r r r r
Ú visit_Labelù s zCGenerator.visit_Labelc C s d|j d S )Nzgoto rn r! r r r r
Ú
visit_Gotoü s zCGenerator.visit_Gotoc C s dS )Nz...r r r r r
Úvisit_EllipsisParamÿ s z CGenerator.visit_EllipsisParamc C s | |d¡S )NÚstruct©Ú_generate_struct_unionr r r r
Ú visit_Struct s zCGenerator.visit_Structc C s | |j¡S r )rT r( r r r r
Úvisit_Typename s zCGenerator.visit_Typenamec C s | |d¡S )NÚunionrŒ r r r r
Ú visit_Union s zCGenerator.visit_Unionc C sb d}|j D ]>}t|tjƒr*|d|j 7 }q
t|tjƒr
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|d| |j¡ 7 }|S )Nr Ú.r$ r% rG )r" r= r ÚIDÚConstantr r r. )r r rK r" r r r
Úvisit_NamedInitializer s
z!CGenerator.visit_NamedInitializerc C s
| |¡S r )rT r r r r
Úvisit_FuncDecl s zCGenerator.visit_FuncDeclc C s~ |d |j pd }|jrz|d7 }|| ¡ 7 }| jd7 _|d7 }|jD ]}|| |¡7 }qH| jd8 _|| ¡ d 7 }|S )ze Generates code for structs and unions. name should be either
'struct' or union.
r
r rd rj ri rC )r" rO r r rk )r r r" rK rN r r r
r s
z!CGenerator._generate_struct_unionc C s® t |ƒ}|r| jd7 _| ¡ }|r4| jd8 _|tjtjtjtjtjtj tj
tj tj tj
tjtjtjf
kr‚|| |¡ d S |tjfkr˜| |¡S || |¡ d S dS )zÄ 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.
rj rb rd N)r( r r r ÚDeclr> ZCastZUnaryOpZBinaryOpZ TernaryOpÚFuncCallÚArrayRefÚ StructRefr” r“ ZTypedefrD r ZCompound)r r r{ ÚtypÚindentr r r
rk ( s2 ü
zCGenerator._generate_stmtc C sH d}|j rd |j ¡d }|jr4|d |j¡d 7 }|| |j¡7 }|S )z& Generation from a Decl node.
r r
)Zfuncspecr rS rT r( rQ r r r
rH D s zCGenerator._generate_declc C sÌ t |ƒ}|tjkrHd}|jr2|d |j¡d 7 }|| |j ¡7 }|jrN|jnd}t|ƒD ]Ö\}}t|tj ƒr°|dkr–t||d tj
ƒr–d| d }|d| |j ¡ d 7 }qZt|tj ƒrþ|dkrät||d tj
ƒräd| d }|d| |j
¡ d 7 }qZt|tj
ƒrZ|jr(d d |j¡|f }qZd
| }qZ|rD|d| 7 }|S |tjkr`| |j ¡S |tjkrx| |j ¡S |tjkr”d |j¡d S |tj tj
tj fkr¾| |j ||g ¡S | |¡S d S ) zø 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 %sÚ*N)r( r ZTypeDeclZqualsr r Zdeclnamer_ r= Z ArrayDeclZPtrDeclZdimZFuncDeclr, r— rH ZTypenamerT ZIdentifierTyper@ )r r Z modifiersr› rK Znstrr` Zmodifierr r r
rT M s@
zCGenerator._generate_typec C s& | |¡}||ƒr d| d S |S dS )z‘ Visits 'n' and returns its string representation, parenthesized
if the condition function applied to the node returns True.
r* r+ N)rE )r r Z conditionrK r r r
r8 { s
zCGenerator._parenthesize_ifc s ˆ |‡ fdd„¡S )z. Common use case for _parenthesize_if
c s ˆ | ¡ S r r1 r3 r r r
r5 ˆ r6 z8CGenerator._parenthesize_unless_simple.<locals>.<lambda>)r8 r r r r
r& … s z&CGenerator._parenthesize_unless_simplec C s t |tjtjtjtjtjfƒS )z~ Returns True for nodes that are "simple" - i.e. nodes that always
have higher precedence than operators.
)r= r r” r“ r™ rš r˜ r r r r
r2 Š s ÿzCGenerator._is_simple_nodeN)F)F)8r Ú
__module__Ú __qualname__Ú__doc__r r r r r r# r' r) r- r0 r< r? rA rE rL rR rU rV r[ r\ ra rf rh rm ro rp rr rs rt rx r| r~ r€ r r‚ r† r‡ rˆ r‰ rŠ rŽ r r‘ r• r– r rk rH rT r8 r& r2 r r r r
r sj
.
r N)r r Úobjectr r r r r
Ú<module> s
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