code.kerkeslager.com Git - fur/blob - generation.py

   1 import jinja2
   2
   3 ENV = jinja2.Environment(
   4     autoescape=jinja2.select_autoescape([]),
   5     loader=jinja2.FileSystemLoader('templates'),
   6     trim_blocks=True,
   7 )
   8
   9 def generate_argument(c_string_literal):
  10     def c_escape(ch):
  11         return {
  12             '\n': r'\n',
  13             '"': r'\"',
  14             '\\': r'\\',
  15         }.get(ch, ch)
  16
  17     return 'stringLiteral(runtime, "{}")'.format(
  18         ''.join(c_escape(ch for ch in c_string_literal.value)),
  19     )
  20
  21 def generate_statement(c_function_call_statement):
  22     return '{}({});'.format(
  23         c_function_call_statement.name,
  24         ', '.join(generate_argument(argument) for argument in c_function_call_statement.arguments),
  25     )
  26
  27 def generate(c_program):
  28     template = ENV.get_template('program.c')
  29     return template.render(
  30         builtins=list(sorted(c_program.builtins)),
  31         statements=[generate_statement(statement) for statement in c_program.statements],
  32         standard_libraries=set(['stdio.h']),
  33     )
  34
  35 if __name__ == '__main__':
  36     import unittest
  37
  38     unittest.main()