],
)
-CFunctionCallStatement = collections.namedtuple(
- 'CFunctionCallStatement',
+CAdditionExpression = collections.namedtuple(
+ 'CAdditionExpression',
+ [
+ 'left',
+ 'right',
+ ],
+)
+
+CSubtractionExpression = collections.namedtuple(
+ 'CSubtractionExpression',
+ [
+ 'left',
+ 'right',
+ ],
+)
+
+CMultiplicationExpression = collections.namedtuple(
+ 'CMultiplicationExpression',
+ [
+ 'left',
+ 'right',
+ ],
+)
+
+CIntegerDivisionExpression = collections.namedtuple(
+ 'CIntegerDivisionExpression',
+ [
+ 'left',
+ 'right',
+ ],
+)
+
+CModularDivisionExpression = collections.namedtuple(
+ 'CModularDivisionExpression',
+ [
+ 'left',
+ 'right',
+ ],
+)
+
+CFunctionCallExpression = collections.namedtuple(
+ 'CFunctionCallExpression',
[
'name',
'arguments',
)
BUILTINS = {
- 'print': ['stdio.h.'],
+ 'pow': ['math.h'],
+ 'print': ['stdio.h'],
}
-def transform_argument(builtin_dependencies, argument):
- return {
- parsing.IntegerLiteral: CIntegerLiteral,
- parsing.StringLiteral: CStringLiteral,
- }[type(argument)](value=argument.value)
+def transform_expression(builtin_dependencies, expression):
+ if isinstance(expression, parsing.FurFunctionCallExpression):
+ return transform_function_call_expression(builtin_dependencies, expression)
+
+ LITERAL_TYPE_MAPPING = {
+ parsing.FurIntegerLiteralExpression: CIntegerLiteral,
+ parsing.FurStringLiteralExpression: CStringLiteral,
+ }
+
+ if type(expression) in LITERAL_TYPE_MAPPING:
+ return LITERAL_TYPE_MAPPING[type(expression)](value=expression.value)
+
+ INFIX_TYPE_MAPPING = {
+ parsing.FurAdditionExpression: CAdditionExpression,
+ parsing.FurSubtractionExpression: CSubtractionExpression,
+ parsing.FurMultiplicationExpression: CMultiplicationExpression,
+ parsing.FurIntegerDivisionExpression: CIntegerDivisionExpression,
+ parsing.FurModularDivisionExpression: CModularDivisionExpression,
+ }
+
+ return INFIX_TYPE_MAPPING[type(expression)](
+ left=transform_expression(builtin_dependencies, expression.left),
+ right=transform_expression(builtin_dependencies, expression.right),
+ )
-def transform_function_call_statement(builtin_dependencies, function_call):
+def transform_function_call_expression(builtin_dependencies, function_call):
if function_call.name in BUILTINS.keys():
builtin_dependencies.add(function_call.name)
- return CFunctionCallStatement(
+ return CFunctionCallExpression(
name='builtin$' + function_call.name,
- arguments=tuple(transform_argument(builtin_dependencies, arg) for arg in function_call.arguments),
+ arguments=tuple(transform_expression(builtin_dependencies, arg) for arg in function_call.arguments),
)
raise Exception()
-
-def transform(function_call):
+def transform(program):
builtins = set()
- statement = transform_function_call_statement(builtins, function_call)
+ c_statements = [
+ transform_function_call_expression(builtins, statement) for statement in program.statement_list
+ ]
standard_libraries = set()
for builtin in builtins:
return CProgram(
builtins=builtins,
- statements=[statement],
+ statements=c_statements,
standard_libraries=standard_libraries,
)