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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.
Fc C s d| _ || _dS )z“ Constructs C-code generator
reduce_parentheses:
if True, eliminates needless parentheses on binary operators
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r8 r c 3 s | ]}ˆ |¡V qd S r ©Ú_generate_stmt)r Ústmtr
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r Úvisit_CompoundÜ s zCGenerator.visit_Compoundc C s$ d| |j¡ d | |j¡ d S )Nr0 z){r_ )r r- rd r r r r Úvisit_CompoundLiteralå s z CGenerator.visit_CompoundLiteralc C s dS )Nú;r r r r r Úvisit_EmptyStatementé s z CGenerator.visit_EmptyStatementc s d ‡ fdd„|jD ƒ¡S )Nrh c 3 s | ]}ˆ |¡V qd S r r )r Úparamr
r r r í s z-CGenerator.visit_ParamList..)r Úparamsr r r
r Úvisit_ParamListì s zCGenerator.visit_ParamListc C s& d}|j r |d| |j ¡ 7 }|d S )NÚreturnr r‘ )r5 r rm r r r Ú visit_Returnï s zCGenerator.visit_Returnc C s dS )Nzbreak;r r r r r Ú visit_Breakô s zCGenerator.visit_Breakc C s dS )Nz continue;r r r r r Úvisit_Continue÷ s zCGenerator.visit_Continuec C sH d| |j¡ d }|d| |j¡ d 7 }|d| |j¡ d 7 }|S )Nr0 z) ? z) : r1 )ra ÚcondÚiftrueÚiffalserm r r r Úvisit_TernaryOpú 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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s zCGenerator.visit_Forc C s: d}|j r|| |j ¡7 }|d7 }|| j|jdd7 }|S )Núwhile (rž TrŸ )rš r r rŽ rm r r r Ú visit_While s zCGenerator.visit_Whilec C sJ d}|| j |jdd7 }|| ¡ d 7 }|jr>|| |j¡7 }|d7 }|S )Nzdo
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visit_DoWhile s zCGenerator.visit_DoWhilec C s> d}|| |j¡7 }|jr2|d7 }|| |j¡7 }|d7 }|S )Nz_Static_assert(ú,r1 )r rš Úmessagerm r r r Úvisit_StaticAssert$ s z CGenerator.visit_StaticAssertc C s, d| |j¡ d }|| j|jdd7 }|S )Nzswitch (rž TrŸ )r rš r rŽ rm r r r Ú visit_Switch- s zCGenerator.visit_Switchc C s6 d| |j¡ d }|jD ]}|| j|dd7 }q|S )Nzcase ú:
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visit_Case2 s
zCGenerator.visit_Casec C s& d}|j D ]}|| j|dd7 }q
|S )Nz default:
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visit_Default8 s
zCGenerator.visit_Defaultc C s |j d | |j¡ S )Nr« )r$ r rŽ r r r r Ú visit_Label> s zCGenerator.visit_Labelc C s d|j d S )Nzgoto r‘ r# r r r r Ú
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|d| |j¡ 7 }|S )Nr Ú.r) r* rb )r$ rL r ÚIDr ra r5 )r r! rf r$ r r r Úvisit_NamedInitializerP s
z!CGenerator.visit_NamedInitializerc C s
| |¡S r ©rp r r r r Úvisit_FuncDeclZ s zCGenerator.visit_FuncDeclc C s | j |ddS ©NFrr r» r r r r Úvisit_ArrayDecl] s zCGenerator.visit_ArrayDeclc C s | j |ddS r½ r» r r r r Úvisit_TypeDecl` s zCGenerator.visit_TypeDeclc C s | j |ddS r½ r» r r r r Ú
visit_PtrDeclc s zCGenerator.visit_PtrDeclc C s° |dkr|j }| j}n(|dks"t‚|jdkr0dn|jj}| j}|d |jpLd }|dk r¬|d7 }|| ¡ 7 }| jd7 _|d7 }|||ƒ7 }| jd8 _|| ¡ d 7 }|S )
zq Generates code for structs, unions, and enums. name should be
'struct', 'union', or 'enum'.
)r³ r¶ r| Nr r r† r8 r‹ r_ ) rk Ú_generate_struct_union_bodyÚAssertionErrorÚvaluesZ enumeratorsÚ_generate_enum_bodyr$ r r )r r! r$ ÚmembersZ
body_functionrf r r r r~ f s z&CGenerator._generate_struct_union_enumc s d ‡ fdd„|D ƒ¡S )Nr c 3 s | ]}ˆ |¡V qd S r rŒ ri r
r r r s z9CGenerator._generate_struct_union_body..©r ©r rÅ r r
r rÁ ~ s z&CGenerator._generate_struct_union_bodyc s$ d ‡ fdd„|D ƒ¡d d… d S )Nr c 3 s | ]}ˆ |¡V qd S r r )r r r
r r r ƒ s z1CGenerator._generate_enum_body..éþÿÿÿr† rÆ rÇ r r
r rÄ s z CGenerator._generate_enum_bodyc C sÈ t |ƒ}|r| jd7 _| ¡ }|r4| jd8 _|tjtjtjtjtjtj tj
tj tj tj
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kr‚|| |¡ d S |tjfkr˜| |¡S |tjfkr²|| |¡ 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.
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zCGenerator._generate_stmtc C sf d}|j rd |j ¡d }|jr4|d |j¡d 7 }|jrR|| |jd ¡d 7 }|| |j¡7 }|S )z& Generation from a Decl node.
r r r )Zfuncspecr ro Úalignr rp r- rm r r r rc £ s zCGenerator._generate_declTc C s t |ƒ}|tjkr€d}|jr2|d |j¡d 7 }|| |j ¡7 }|jrR|rR|jnd}t|ƒD ]\}}t|tj ƒrÔ|dkrœt||d tj
ƒrœd| d }|d7 }|j r¾|d |j ¡d 7 }|| |j ¡d 7 }q^t|tj
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ƒrd| d }|d| |j¡ d 7 }q^t|tj
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| }q^|r||d| 7 }|S |tjkr˜| |j ¡S |tjkr´| j|j |d S |tjkrÐd |j¡d S |tj tj
tj
fkrþ| j|j ||g |d 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 r0 r1 r) r* z* %s%srG rr N)r- r ZTypeDeclZqualsr r ZdeclnameÚ enumeraterL Z ArrayDeclZPtrDeclZ dim_qualsÚdimZFuncDeclr2 rÉ rc ZTypenamerp ZIdentifierTyper\ ) r r! Ú modifiersrs rÐ rf ZnstrÚiÚmodifierr r r rp sV ÿ
ÿ ÿ
ÿzCGenerator._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.
r0 r1 N)ra )r r! Ú conditionrf r r r rT â s
zCGenerator._parenthesize_ifc s ˆ |‡ fdd„¡S )z. Common use case for _parenthesize_if
c s ˆ | ¡ S r )rK rO r
r r rR ï rZ z8CGenerator._parenthesize_unless_simple..)rT r r r
r r+ ì 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.
)rL r rÎ r¹ rÌ rÍ rË r r r r rK ñ s ÿzCGenerator._is_simple_nodeN)F)F)F)Cr Ú
__module__Ú __qualname__Ú__doc__r
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