def wrapEvalBuiltin(source, globals, locals, source_ref): globals_wrap, locals_wrap = wrapEvalGlobalsAndLocals( provider=node.getParentVariableProvider(), globals_node=globals, locals_node=locals, exec_mode=False, source_ref=source_ref) return ExpressionBuiltinEval(source_code=source, globals_arg=globals_wrap, locals_arg=locals_wrap, source_ref=source_ref)
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, locals, source_ref): provider = node.getParentVariableProvider() temp_scope = provider.allocateTempScope("eval") globals_ref, locals_ref, tried, final = wrapEvalGlobalsAndLocals( provider = provider, globals_node = globals, locals_node = locals, temp_scope = temp_scope, source_ref = source_ref ) # The wrapping should not relocate to the "source_ref". assert globals is None or \ globals_ref.getSourceReference() == globals.getSourceReference() assert locals is None or \ locals_ref.getSourceReference() == locals.getSourceReference() source_variable = provider.allocateTempVariable( temp_scope = temp_scope, name = "source" ) final.setStatements( final.getStatements() + ( StatementDelVariable( variable_ref = ExpressionTargetTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), tolerant = True, source_ref = source_ref ), ) ) strip_choice = ExpressionConstantRef( constant = (" \t",), source_ref = source_ref ) if python_version >= 300: strip_choice = ExpressionConditional( condition = ExpressionComparisonIs( left = ExpressionBuiltinType1( value = ExpressionTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), source_ref = source_ref ), right = ExpressionBuiltinRef( builtin_name = "bytes", source_ref = source_ref ), source_ref = source_ref ), yes_expression = ExpressionConstantRef( constant = (b" \t",), source_ref = source_ref ), no_expression = 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_ref = ExpressionTargetTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), source = ExpressionCallNoKeywords( called = ExpressionAttributeLookup( expression = ExpressionTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), attribute_name = "strip", source_ref = source_ref ), args = strip_choice, source_ref = source_ref ), source_ref = source_ref ) ] statements = ( StatementAssignmentVariable( variable_ref = ExpressionTargetTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), source = source, source_ref = source_ref, ), StatementConditional( condition = ExpressionOperationNOT( operand = ExpressionBuiltinIsinstance( cls = ExpressionBuiltinAnonymousRef( builtin_name = "code", source_ref = source_ref, ), instance = ExpressionTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), source_ref = source_ref ), source_ref = source_ref ), yes_branch = StatementsSequence( statements = string_fixup, source_ref = source_ref ), no_branch = None, source_ref = source_ref ) ) tried.setStatements( tried.getStatements() + statements ) return ExpressionTryFinally( tried = tried, expression = ExpressionBuiltinEval( source_code = ExpressionTempVariableRef( variable = source_variable.makeReference( provider ), source_ref = source_ref ), globals_arg = globals_ref, locals_arg = locals_ref, source_ref = source_ref ), final = final, source_ref = source_ref )