5 import crossplatform_ir_generation
7 TEMPLATE_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'templates')
9 def separate_labels_and_instructions(entry_list):
10 labels_to_instruction_indices = {}
13 for entry in entry_list:
14 if isinstance(entry, crossplatform_ir_generation.CIRInstruction):
15 instruction_list.append(entry)
16 elif isinstance(entry, crossplatform_ir_generation.CIRLabel):
17 labels_to_instruction_indices[entry.label] = len(instruction_list)
19 return labels_to_instruction_indices, tuple(instruction_list)
21 def generate_integer_argument(argument):
22 assert isinstance(argument, int)
23 return '(int32_t){}'.format(argument)
25 def generate_null_argument(argument):
26 assert argument is None
29 def generate_size_t_argument(argument):
30 assert isinstance(argument, int)
31 return '(size_t){}'.format(argument)
33 def generate_string_argument(argument):
36 def generate_symbol_argument(argument):
37 assert argument.startswith('sym(') and argument.endswith(')')
38 return '"{}"'.format(argument[4:-1])
40 def generate_argument(instruction):
43 'add': generate_size_t_argument,
44 'drop': generate_null_argument,
45 'end': generate_null_argument,
46 'call': generate_size_t_argument,
47 'idiv': generate_size_t_argument,
48 'mod': generate_size_t_argument,
49 'mul': generate_size_t_argument,
50 'neg': generate_size_t_argument,
51 'pop': generate_symbol_argument,
52 'push': generate_symbol_argument,
53 'push_integer': generate_integer_argument,
54 'push_string': generate_string_argument,
55 'sub': generate_size_t_argument,
56 }[instruction.instruction](instruction.argument)
59 import ipdb; ipdb.set_trace()
62 environment = jinja2.Environment(loader=jinja2.FileSystemLoader(TEMPLATE_PATH))
63 template = environment.get_template('program2.c')
65 labels_to_instruction_indices, instruction_list = separate_labels_and_instructions(
69 return template.render(
70 labels_to_instruction_indices=labels_to_instruction_indices,
71 instruction_list=instruction_list,
72 generate_argument=generate_argument,