import collections
+import conversion
import normalization
-import parsing # TODO Remove this import, as we should be normalizing everything before it gets here
CIntegerLiteral = collections.namedtuple(
'CIntegerLiteral',
],
)
-CDotExpression = collections.namedtuple(
- 'CDotExpression',
- [
- 'instance',
- 'symbol',
- 'symbol_list_index',
- ],
-)
-
-CNegationExpression = collections.namedtuple(
- 'CNegationExpression',
- [
- 'value',
- ],
-)
-
-CFunctionCallForFurInfixOperator = collections.namedtuple(
- 'CFunctionCallForFurInfixOperator',
- [
- 'name',
- 'left',
- 'right',
- ],
-)
-
CPushStatement = collections.namedtuple(
'CPushStatement',
(
CFunctionCallExpression = collections.namedtuple(
'CFunctionCallExpression',
- [
+ (
+ 'metadata',
'function_expression',
'argument_count',
- ],
+ ),
)
# TODO We are currently not changing variables, just preventing them from being accessed.
}
def transform_variable_expression(accumulators, expression):
- assert isinstance(expression, normalization.NormalVariableExpression)
+ assert isinstance(expression, conversion.CPSVariableExpression)
return CVariableExpression(variable=expression.variable)
def transform_string_literal_expression(accumulators, expression):
symbol_list_index=symbol_list_index,
)
-CInfixDeclaration = collections.namedtuple(
- 'CInfixDeclaration',
- [
- 'name',
- 'in_type',
- 'out_type',
- 'operator',
- ],
-)
-
-FUR_INFIX_OPERATOR_TO_C_FUNCTION = {
- '++': 'concatenate',
-}
-
-FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR = {
- '+': CInfixDeclaration(name='add', in_type='integer', out_type='integer', operator='+'),
- '-': CInfixDeclaration(name='subtract', in_type='integer', out_type='integer', operator='-'),
- '*': CInfixDeclaration(name='multiply', in_type='integer', out_type='integer', operator='*'),
- '//': CInfixDeclaration(name='integerDivide', in_type='integer', out_type='integer', operator='/'),
- '%': CInfixDeclaration(name='modularDivide', in_type='integer', out_type='integer', operator='%'),
- 'and': CInfixDeclaration(name='and', in_type='boolean', out_type='boolean', operator='&&'),
- 'or': CInfixDeclaration(name='or', in_type='boolean', out_type='boolean', operator='||'),
- '==': CInfixDeclaration(name='equals', in_type='integer', out_type='boolean', operator='=='),
- '!=': CInfixDeclaration(name='notEquals', in_type='integer', out_type='boolean', operator='!='),
- '<=': CInfixDeclaration(name='lessThanOrEqual', in_type='integer', out_type='boolean', operator='<='),
- '>=': CInfixDeclaration(name='greaterThanOrEqual', in_type='integer', out_type='boolean', operator='>='),
- '<': CInfixDeclaration(name='lessThan', in_type='integer', out_type='boolean', operator='<'),
- '>': CInfixDeclaration(name='greaterThan', in_type='integer', out_type='boolean', operator='>'),
-}
-
-def transform_comparison_level_expression(accumulators, expression):
- accumulators.operator_set.add(FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator])
-
- return CFunctionCallForFurInfixOperator(
- name=FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator].name,
- left=transform_expression(accumulators, expression.left),
- right=transform_expression(accumulators, expression.right),
- )
-
-def transform_infix_operator_without_c_equivalent(accumulators, expression):
- return CFunctionCallForFurInfixOperator(
- name='concatenate',
- left=transform_expression(accumulators, expression.left),
- right=transform_expression(accumulators, expression.right),
- )
-def transform_infix_expression(accumulators, expression):
- if expression.operator in FUR_INFIX_OPERATOR_TO_C_FUNCTION:
- return transform_infix_operator_without_c_equivalent(accumulators, expression)
-
- if expression.order == 'comparison_level':
- return transform_comparison_level_expression(accumulators, expression)
-
- accumulators.operator_set.add(FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator])
-
- return CFunctionCallForFurInfixOperator(
- name=FUR_INFIX_OPERATOR_TO_C_INFIX_OPERATOR[expression.operator].name,
- left=transform_expression(accumulators, expression.left),
- right=transform_expression(accumulators, expression.right),
- )
-
def transform_integer_literal_expression(accumulators, expression):
return CIntegerLiteral(value=expression.integer)
-def transform_negation_expression(accumulators, expression):
- return CNegationExpression(
- value=transform_expression(accumulators, expression.internal_expression),
- )
-
CListConstructExpression = collections.namedtuple(
'CListConstructExpression',
[
value_list_variable=expression.value_list_variable,
)
-def transform_dot_expression(accumulators, expression):
- try:
- symbol_list_index = accumulators.symbol_list.index(expression.field)
-
- except ValueError:
- symbol_list_index = len(accumulators.symbol_list)
- accumulators.symbol_list.append(expression.field)
-
- return CDotExpression(
- instance=transform_variable_expression(accumulators, expression.instance),
- symbol=expression.field,
- symbol_list_index=symbol_list_index,
- )
-
def transform_list_construct_expression(accumulators, expression):
return CListConstructExpression(allocate=expression.allocate)
)
def transform_expression(accumulators, expression):
- # TODO Clean up handlers for parsing expressions
return {
- parsing.FurInfixExpression: transform_infix_expression,
- parsing.FurIntegerLiteralExpression: transform_integer_literal_expression,
- parsing.FurNegationExpression: transform_negation_expression,
- parsing.FurStringLiteralExpression: transform_string_literal_expression,
- normalization.NormalDotExpression: transform_dot_expression,
- normalization.NormalFunctionCallExpression: transform_function_call_expression,
- normalization.NormalInfixExpression: transform_infix_expression,
- normalization.NormalIntegerLiteralExpression: transform_integer_literal_expression,
- normalization.NormalListConstructExpression: transform_list_construct_expression,
+ conversion.CPSFunctionCallExpression: transform_function_call_expression,
+ conversion.CPSIntegerLiteralExpression: transform_integer_literal_expression,
+ conversion.CPSListConstructExpression: transform_list_construct_expression,
normalization.NormalListGetExpression: transform_list_get_expression,
- normalization.NormalNegationExpression: transform_negation_expression,
- normalization.NormalStructureLiteralExpression: transform_structure_literal_expression,
- normalization.NormalStringLiteralExpression: transform_string_literal_expression,
- normalization.NormalSymbolExpression: transform_symbol_expression,
- normalization.NormalVariableExpression: transform_variable_expression,
+ conversion.CPSStructureLiteralExpression: transform_structure_literal_expression,
+ conversion.CPSStringLiteralExpression: transform_string_literal_expression,
+ conversion.CPSSymbolExpression: transform_symbol_expression,
+ conversion.CPSVariableExpression: transform_variable_expression,
}[type(expression)](accumulators, expression)
def transform_symbol_assignment_statement(accumulators, assignment_statement):
def transform_function_call_expression(accumulators, function_call):
# TODO Use the symbol from SYMBOL LIST
return CFunctionCallExpression(
+ metadata=function_call.metadata,
function_expression=transform_expression(accumulators, function_call.function_expression),
argument_count=function_call.argument_count,
)
def transform_statement(accumulators, statement):
return {
- parsing.FurExpressionStatement: transform_expression_statement,
- normalization.NormalArrayVariableInitializationStatement: transform_array_variable_initialization_statement,
- normalization.NormalAssignmentStatement: transform_symbol_assignment_statement,
- normalization.NormalExpressionStatement: transform_expression_statement,
- normalization.NormalFunctionDefinitionStatement: transform_function_definition_statement,
- normalization.NormalIfElseStatement: transform_if_else_statement,
- normalization.NormalListAppendStatement: transform_list_append_statement,
- normalization.NormalPushStatement: transform_push_statement,
- normalization.NormalSymbolArrayVariableInitializationStatement: transform_symbol_array_variable_initialization_statement,
- normalization.NormalVariableInitializationStatement: transform_variable_initialization_statement,
- normalization.NormalVariableReassignmentStatement: transform_variable_reassignment_statement,
+ conversion.CPSArrayVariableInitializationStatement: transform_array_variable_initialization_statement,
+ conversion.CPSAssignmentStatement: transform_symbol_assignment_statement,
+ conversion.CPSExpressionStatement: transform_expression_statement,
+ conversion.CPSFunctionDefinitionStatement: transform_function_definition_statement,
+ conversion.CPSIfElseStatement: transform_if_else_statement,
+ conversion.CPSListAppendStatement: transform_list_append_statement,
+ conversion.CPSPushStatement: transform_push_statement,
+ conversion.CPSSymbolArrayVariableInitializationStatement: transform_symbol_array_variable_initialization_statement,
+ conversion.CPSVariableInitializationStatement: transform_variable_initialization_statement,
+ conversion.CPSVariableReassignmentStatement: transform_variable_reassignment_statement,
}[type(statement)](accumulators, statement)