import parsing
+DesugaredBuiltinExpression = collections.namedtuple(
+ 'DesugaredBuiltinExpression',
+ (
+ 'metadata',
+ 'symbol',
+ ),
+)
+
DesugaredFunctionCallExpression = collections.namedtuple(
'DesugaredFunctionCallExpression',
(
),
)
-DesugaredLambdaExpression = collections.namedtuple(
+_DesugaredLambdaExpression = collections.namedtuple(
'DesugaredLambdaExpression',
(
+ 'name',
'argument_name_list',
'statement_list',
),
)
+class DesugaredLambdaExpression(_DesugaredLambdaExpression):
+ def __new__(cls, *args, **kwargs):
+ if 'name' not in kwargs:
+ kwargs['name'] = None
+
+ return super(DesugaredLambdaExpression, cls).__new__(cls, *args, **kwargs)
+
DesugaredListLiteralExpression = collections.namedtuple(
'DesugaredListLiteralExpression',
(
),
)
+DesugaredSymbolLiteralExpression = collections.namedtuple(
+ 'DesugaredSymbolLiteralExpression',
+ (
+ 'metadata',
+ 'symbol',
+ ),
+)
+
DesugaredAssignmentStatement = collections.namedtuple(
'DesugaredAssignmentStatement',
(
),
)
-DesugaredFunctionDefinitionStatement = collections.namedtuple(
- 'DesugaredFunctionDefinitionStatement',
- (
- 'name',
- 'argument_name_list',
- 'statement_list',
- ),
-)
-
DesugaredProgram = collections.namedtuple(
'DesugaredProgram',
(
if expression.operator == '.':
return DesugaredFunctionCallExpression(
metadata=expression.metadata,
- function=DesugaredSymbolExpression(
+ function=DesugaredBuiltinExpression(
metadata=expression.metadata,
symbol='__field__',
),
argument_list=(
desugar_expression(expression.left),
- DesugaredStringLiteralExpression(string=expression.right.symbol),
+ desugar_symbol_literal_expression(expression.right),
),
)
return DesugaredFunctionCallExpression(
metadata=expression.metadata,
- function=DesugaredSymbolExpression(
+ function=DesugaredBuiltinExpression(
metadata=expression.metadata,
symbol=function,
),
def desugar_list_item_expression(expression):
return DesugaredFunctionCallExpression(
metadata=expression.metadata,
- function=DesugaredSymbolExpression(
+ function=DesugaredBuiltinExpression(
metadata=expression.metadata,
symbol='__get__',
),
def desugar_negation_expression(expression):
return DesugaredFunctionCallExpression(
metadata=expression.metadata,
- function=DesugaredSymbolExpression(
+ function=DesugaredBuiltinExpression(
metadata=expression.metadata,
symbol='__negate__',
),
symbol=expression.symbol,
)
+def desugar_symbol_literal_expression(expression):
+ return DesugaredSymbolLiteralExpression(
+ metadata=expression.metadata,
+ symbol=expression.symbol,
+ )
+
def desugar_expression(expression):
return {
parsing.FurFunctionCallExpression: desugar_function_call_expression,
)
def desugar_function_definition_statement(statement):
- return DesugaredFunctionDefinitionStatement(
- name=statement.name,
- argument_name_list=statement.argument_name_list,
- statement_list=tuple(desugar_statement(s) for s in statement.statement_list),
+ return DesugaredAssignmentStatement(
+ target=statement.name,
+ expression=DesugaredLambdaExpression(
+ name=statement.name,
+ argument_name_list=statement.argument_name_list,
+ statement_list=tuple(desugar_statement(s) for s in statement.statement_list),
+ ),
)
def desugar_statement(statement):