source: buchla-68k/misc/gen-proto.py@ 9519422

Last change on this file since 9519422 was f7c91fc, checked in by Thomas Lopatic <thomas@…>, 7 years ago

Prototype fix framework.

  • Property mode set to 100755
File size: 2.4 KB
Line 
1#!/usr/bin/env python3
2
3from sys import stdout
4from pickle import dump
5from pycparser import c_ast, parse_file
6
7cross_gcc = "/opt/cross-m68k/bin/m68k-none-elf-gcc"
8
9class Visitor(c_ast.NodeVisitor):
10 def __init__(self):
11 self.path = None
12 self.void = True
13 self.proto = []
14
15 def visit_Return(self, node):
16 if node.expr is not None:
17 self.void = False
18
19 self.generic_visit(node)
20
21 def visit_Decl(self, node):
22 node.storage = [x for x in node.storage if
23 x != "register" and
24 x != "static" and
25 x != "extern"]
26
27 self.generic_visit(node)
28
29 def visit_FuncDef(self, node):
30 if node.coord.file != self.path:
31 return
32
33 self.generic_visit(node)
34
35 # Convert K&R parameter declarations to ANSI.
36
37 if node.param_decls is not None:
38 node.decl.type.args.params = node.param_decls
39 node.param_decls = None
40
41 # Turn "foobar()" into "foobar(void)".
42
43 if node.decl.type.args is None:
44 node.decl.type.args = c_ast.Typename(None, [],
45 c_ast.TypeDecl(None, [],
46 c_ast.ID("void")))
47
48 # Override default int type, if necessary.
49
50 if self.void:
51 node.decl.type.type.type = c_ast.ID("void")
52
53 self.proto.append(node.decl)
54 self.void = True
55
56 def visit_path(self, path, ast):
57 self.path = path
58 self.visit(ast)
59 self.path = None
60
61 def store_proto(self, path):
62 with open(path, "wb") as f:
63 dump(self.proto, f)
64
65path_ast = []
66
67with open("misc/c-files.txt", "r") as f:
68 for path in f:
69 path = path.rstrip()
70
71 if path == "ram/wdfield.c": # breaks pycparser
72 continue
73
74 stdout.write("parsing {} \r".format(path))
75 stdout.flush()
76
77 ast = parse_file(path, use_cpp = True, cpp_path = cross_gcc,
78 cpp_args = ["-E", "-I", "include", "-include", "predef.h"])
79 path_ast.append((path, ast))
80 # ast.show()
81
82 print("")
83
84vis = Visitor()
85
86for (path, ast) in path_ast:
87 stdout.write("visiting {} \r".format(path))
88 stdout.flush()
89
90 vis.visit_path(path, ast)
91
92print("")
93vis.store_proto("proto.dat")
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