''.join(c_escape(ch for ch in c_string_literal.value)),
)
-def generate_argument(c_argument):
+def generate_symbol_expression(c_symbol_expression):
+ return 'Environment_get(environment, SYMBOL_LIST[{}] /* symbol: {} */)'.format(
+ c_symbol_expression.symbol_list_index,
+ c_symbol_expression.symbol,
+ )
+
+def generate_expression(c_argument):
+ if isinstance(c_argument, transformation.CNegationExpression):
+ return generate_negation_expression(c_argument)
+
if isinstance(c_argument, transformation.CFunctionCallExpression):
return generate_function_call(c_argument)
LITERAL_TYPE_MAPPING = {
transformation.CIntegerLiteral: generate_integer_literal,
transformation.CStringLiteral: generate_string_literal,
+ transformation.CSymbolExpression: generate_symbol_expression,
}
if type(c_argument) in LITERAL_TYPE_MAPPING:
return 'builtin${}({}, {})'.format(
INFIX_TYPE_MAPPING[type(c_argument)],
- generate_argument(c_argument.left),
- generate_argument(c_argument.right),
+ generate_expression(c_argument.left),
+ generate_expression(c_argument.right),
+ )
+
+def generate_negation_expression(c_negation_expression):
+ return 'builtin$negate({})'.format(
+ generate_expression(c_negation_expression.value)
)
def generate_function_call(c_function_call):
return '{}({})'.format(
c_function_call.name,
- ', '.join(generate_argument(argument) for argument in c_function_call.arguments),
+ ', '.join(generate_expression(argument) for argument in c_function_call.arguments),
)
-def generate_statement(c_function_call_statement):
- return '{};'.format(generate_function_call(c_function_call_statement))
+def generate_expression_statement(c_function_call_statement):
+ # TODO Do we need to garbage collect the results of arbitrary statements?
+ return '{};'.format(generate_expression(c_function_call_statement))
+
+def generate_assignment_statement(c_assignment_statement):
+ return 'Environment_set(environment, SYMBOL_LIST[{}] /* symbol: {} */, {});'.format(
+ c_assignment_statement.target_symbol_list_index,
+ c_assignment_statement.target,
+ generate_expression(c_assignment_statement.expression),
+ )
+
+def generate_statement(statement):
+ if isinstance(statement, transformation.CAssignmentStatement):
+ return generate_assignment_statement(statement)
+
+ return generate_expression_statement(statement)
def generate(c_program):
template = ENV.get_template('program.c')
builtins=list(sorted(c_program.builtins)),
statements=[generate_statement(statement) for statement in c_program.statements],
standard_libraries=list(sorted(c_program.standard_libraries)),
+ symbol_list=c_program.symbol_list,
)
if __name__ == '__main__':