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_null_argument_from(argument_count):
30 def generator(argument):
31 assert isinstance(argument, int)
32 assert argument == argument_count
36 def generate_size_t_argument(argument):
37 assert isinstance(argument, int)
38 return '(size_t){}'.format(argument)
40 def generate_string_argument(argument):
43 def generate_symbol_argument(argument):
44 assert argument.startswith('sym(') and argument.endswith(')')
45 return '"{}"'.format(argument[4:-1])
47 def generate_argument(instruction):
50 'add': generate_null_argument_from(2),
51 'call': generate_size_t_argument,
52 'drop': generate_null_argument,
53 'end': generate_null_argument,
54 'eq': generate_null_argument_from(2),
55 'gt': generate_null_argument_from(2),
56 'gte': generate_null_argument_from(2),
57 'idiv': generate_null_argument_from(2),
58 'lt': generate_null_argument_from(2),
59 'lte': generate_null_argument_from(2),
60 'mod': generate_null_argument_from(2),
61 'mul': generate_null_argument_from(2),
62 'neg': generate_null_argument_from(1),
63 'neq': generate_null_argument_from(2),
64 'pop': generate_symbol_argument,
65 'push': generate_symbol_argument,
66 'push_integer': generate_integer_argument,
67 'push_string': generate_string_argument,
68 'sub': generate_null_argument_from(2),
69 }[instruction.instruction](instruction.argument)
72 import ipdb; ipdb.set_trace()
75 environment = jinja2.Environment(loader=jinja2.FileSystemLoader(TEMPLATE_PATH))
76 template = environment.get_template('program2.c')
78 labels_to_instruction_indices, instruction_list = separate_labels_and_instructions(
82 return template.render(
83 labels_to_instruction_indices=labels_to_instruction_indices,
84 instruction_list=instruction_list,
85 generate_argument=generate_argument,