def wrapEvalBuiltin(source, globals_arg, locals_arg, source_ref):
provider = node.getParentVariableProvider()
outline_body = ExpressionOutlineBody(
provider=node.getParentVariableProvider(),
name="eval_call",
source_ref=source_ref,
)
globals_ref, locals_ref, tried, final = wrapEvalGlobalsAndLocals(
provider=provider,
globals_node=globals_arg,
locals_node=locals_arg,
temp_scope=outline_body.getOutlineTempScope(),
source_ref=source_ref,
)
# The wrapping should not relocate to the "source_ref".
assert (globals_arg is None or globals_ref.getSourceReference()
== globals_arg.getSourceReference())
assert (locals_arg is None or locals_ref.getSourceReference()
== locals_arg.getSourceReference())
source_variable = outline_body.allocateTempVariable(temp_scope=None,
name="source")
final.setStatements(final.getStatements() + (StatementDelVariable(
variable=source_variable, tolerant=True, source_ref=source_ref), ))
strip_choice = makeConstantRefNode(constant=(" \t", ),
source_ref=source_ref)
if python_version >= 300:
strip_choice = ExpressionConditional(
condition=ExpressionComparisonIs(
left=ExpressionBuiltinType1(
value=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref),
source_ref=source_ref,
),
right=makeExpressionBuiltinRef(builtin_name="bytes",
source_ref=source_ref),
source_ref=source_ref,
),
expression_yes=makeConstantRefNode(constant=(b" \t", ),
source_ref=source_ref),
expression_no=strip_choice,
source_ref=source_ref,
)
# Source needs some special treatment for eval, if it's a string, it
# must be stripped.
string_fixup = StatementAssignmentVariable(
variable=source_variable,
source=makeExpressionCall(
called=ExpressionAttributeLookup(
source=ExpressionTempVariableRef(variable=source_variable,
source_ref=source_ref),
attribute_name="strip",
source_ref=source_ref,
),
args=strip_choice, # This is a tuple
kw=None,
source_ref=source_ref,
),
source_ref=source_ref,
)
acceptable_builtin_types = [
ExpressionBuiltinAnonymousRef(builtin_name="code",
source_ref=source_ref)
]
if python_version >= 270:
acceptable_builtin_types.append(
makeExpressionBuiltinRef(builtin_name="memoryview",
source_ref=source_ref))
statements = (
StatementAssignmentVariable(variable=source_variable,
source=source,
source_ref=source_ref),
makeStatementConditional(
condition=ExpressionOperationNOT(
operand=ExpressionBuiltinIsinstance(
instance=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref),
classes=makeSequenceCreationOrConstant(
sequence_kind="tuple",
elements=acceptable_builtin_types,
source_ref=source_ref,
),
source_ref=source_ref,
),
source_ref=source_ref,
),
yes_branch=string_fixup,
no_branch=None,
source_ref=source_ref,
),
StatementReturn(
expression=ExpressionBuiltinEval(
source_code=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref),
globals_arg=globals_ref,
locals_arg=locals_ref,
source_ref=source_ref,
),
source_ref=source_ref,
),
)
tried = makeStatementsSequence(statements=(tried, ) + statements,
allow_none=False,
source_ref=source_ref)
outline_body.setBody(
makeStatementsSequenceFromStatement(
statement=makeTryFinallyStatement(
provider=outline_body,
tried=tried,
final=final,
source_ref=source_ref,
)))
return outline_body
def wrapEvalBuiltin(source, globals_arg, locals_arg, source_ref):
provider = node.getParentVariableProvider()
outline_body = ExpressionOutlineBody(
provider=node.getParentVariableProvider(),
name="eval_call",
source_ref=source_ref,
)
globals_ref, locals_ref, tried, final = wrapEvalGlobalsAndLocals(
provider=provider,
globals_node=globals_arg,
locals_node=locals_arg,
temp_scope=outline_body.getOutlineTempScope(),
source_ref=source_ref,
)
# The wrapping should not relocate to the "source_ref".
assert (
globals_arg is None
or globals_ref.getSourceReference() == globals_arg.getSourceReference()
)
assert (
locals_arg is None
or locals_ref.getSourceReference() == locals_arg.getSourceReference()
)
source_variable = outline_body.allocateTempVariable(
temp_scope=None, name="source"
)
final.setStatements(
final.getStatements()
+ (
StatementDelVariable(
variable=source_variable, tolerant=True, source_ref=source_ref
),
)
)
strip_choice = makeConstantRefNode(constant=(" \t",), source_ref=source_ref)
if python_version >= 300:
strip_choice = ExpressionConditional(
condition=ExpressionComparisonIs(
left=ExpressionBuiltinType1(
value=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref
),
source_ref=source_ref,
),
right=makeExpressionBuiltinRef(
builtin_name="bytes", source_ref=source_ref
),
source_ref=source_ref,
),
expression_yes=makeConstantRefNode(
constant=(b" \t",), source_ref=source_ref
),
expression_no=strip_choice,
source_ref=source_ref,
)
# Source needs some special treatment for eval, if it's a string, it
# must be stripped.
string_fixup = StatementAssignmentVariable(
variable=source_variable,
source=makeExpressionCall(
called=ExpressionAttributeLookup(
source=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref
),
attribute_name="strip",
source_ref=source_ref,
),
args=strip_choice, # This is a tuple
kw=None,
source_ref=source_ref,
),
source_ref=source_ref,
)
acceptable_builtin_types = [
ExpressionBuiltinAnonymousRef(builtin_name="code", source_ref=source_ref)
]
if python_version >= 270:
acceptable_builtin_types.append(
makeExpressionBuiltinRef(
builtin_name="memoryview", source_ref=source_ref
)
)
statements = (
StatementAssignmentVariable(
variable=source_variable, source=source, source_ref=source_ref
),
makeStatementConditional(
condition=ExpressionOperationNOT(
operand=ExpressionBuiltinIsinstance(
instance=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref
),
classes=makeSequenceCreationOrConstant(
sequence_kind="tuple",
elements=acceptable_builtin_types,
source_ref=source_ref,
),
source_ref=source_ref,
),
source_ref=source_ref,
),
yes_branch=string_fixup,
no_branch=None,
source_ref=source_ref,
),
StatementReturn(
expression=ExpressionBuiltinEval(
source_code=ExpressionTempVariableRef(
variable=source_variable, source_ref=source_ref
),
globals_arg=globals_ref,
locals_arg=locals_ref,
source_ref=source_ref,
),
source_ref=source_ref,
),
)
tried = makeStatementsSequence(
statements=(tried,) + statements, allow_none=False, source_ref=source_ref
)
outline_body.setBody(
makeStatementsSequenceFromStatement(
statement=makeTryFinallyStatement(
provider=outline_body,
tried=tried,
final=final,
source_ref=source_ref,
)
)
)
return outline_body