import jinja2
+import transformation
+
ENV = jinja2.Environment(
autoescape=jinja2.select_autoescape([]),
loader=jinja2.FileSystemLoader('templates'),
trim_blocks=True,
)
-def generate_argument(c_string_literal):
+def generate_integer_literal(c_integer_literal):
+ return 'integerLiteral({})'.format(c_integer_literal.value)
+
+def generate_string_literal(c_string_literal):
def c_escape(ch):
return {
'\n': r'\n',
'\\': r'\\',
}.get(ch, ch)
- return '"{}"'.format(
+ return 'stringLiteral(runtime, "{}")'.format(
''.join(c_escape(ch for ch in c_string_literal.value)),
)
-def generate_statement(c_function_call_statement):
- return '{}({});'.format(
- c_function_call_statement.name,
- ', '.join(generate_argument(argument) for argument in c_function_call_statement.arguments),
+def generate_argument(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,
+ }
+
+ if type(c_argument) in LITERAL_TYPE_MAPPING:
+ return LITERAL_TYPE_MAPPING[type(c_argument)](c_argument)
+
+ INFIX_TYPE_MAPPING = {
+ transformation.CAdditionExpression: 'add',
+ transformation.CSubtractionExpression: 'subtract',
+ transformation.CMultiplicationExpression: 'multiply',
+ transformation.CIntegerDivisionExpression: 'integerDivide',
+ transformation.CModularDivisionExpression: 'modularDivide',
+ }
+
+ return 'builtin${}({}, {})'.format(
+ INFIX_TYPE_MAPPING[type(c_argument)],
+ generate_argument(c_argument.left),
+ generate_argument(c_argument.right),
+ )
+
+def generate_function_call(c_function_call):
+ return '{}({})'.format(
+ c_function_call.name,
+ ', '.join(generate_argument(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(c_program):
template = ENV.get_template('program.c')
return template.render(
builtins=list(sorted(c_program.builtins)),
statements=[generate_statement(statement) for statement in c_program.statements],
- standard_libraries=set(['stdio.h']),
+ standard_libraries=list(sorted(c_program.standard_libraries)),
)
if __name__ == '__main__':