[342a56f] | 1 | #!/usr/bin/env python3
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| 2 |
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| 3 | from sys import stdout
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| 4 | from pycparser import c_ast, c_generator, parse_file
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| 5 | from re import sub
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| 6 |
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| 7 | cross_gcc = "/opt/cross-m68k/bin/m68k-none-elf-gcc"
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| 8 |
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| 9 | class Visitor(c_ast.NodeVisitor):
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| 10 | gen = c_generator.CGenerator()
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| 11 |
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| 12 | def __init__(self):
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| 13 | self.path = None
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| 14 | self.decl = {}
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| 15 |
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| 16 | def visit_Typedef(self, node):
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| 17 | return
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| 18 |
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| 19 | def visit_Decl(self, node):
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| 20 | if node.coord.file != self.path or node.name is None:
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| 21 | return
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| 22 |
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| 23 | node.init = None
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| 24 | node.storage = [x for x in node.storage if
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| 25 | x != "static" and
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| 26 | x != "extern"]
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| 27 |
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| 28 | decl = sub(r"\[[^\]]+\]", "[]", self.gen.visit(node))
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| 29 |
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| 30 | if node.name not in self.decl:
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| 31 | self.decl[node.name] = decl
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| 32 |
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| 33 | elif self.decl[node.name] != decl:
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| 34 | raise Exception("mismatch for {} in {}:{}: {} <-> {}". \
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| 35 | format(node.name, node.coord.file, node.coord.line, \
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| 36 | self.decl[node.name], decl))
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| 37 |
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| 38 | def visit_FuncDef(self, node):
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| 39 | if node.coord.file != self.path:
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| 40 | return
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| 41 |
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| 42 | self.visit_Decl(node.decl)
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| 43 |
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| 44 | def visit_path(self, path, ast):
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| 45 | self.path = path
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| 46 | self.visit(ast)
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| 47 | self.path = None
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| 48 |
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| 49 | path_ast = []
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| 50 |
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| 51 | with open("misc/c-files.txt", "r") as f:
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| 52 | for path in f:
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| 53 | path = path.rstrip()
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| 54 |
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| 55 | if path == "ram/wdfield.c": # breaks pycparser
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| 56 | continue
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| 57 |
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| 58 | stdout.write("parsing {} \r".format(path))
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| 59 | stdout.flush()
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| 60 |
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| 61 | ast = parse_file(path, use_cpp = True, cpp_path = cross_gcc,
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| 62 | cpp_args = ["-E", "-I", "include", "-include", "predef.h"])
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| 63 | path_ast.append((path, ast))
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| 64 | # ast.show()
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| 65 |
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| 66 | print("")
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| 67 |
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| 68 | vis = Visitor()
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| 69 |
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| 70 | for (path, ast) in path_ast:
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| 71 | stdout.write("visiting {} \r".format(path))
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| 72 | stdout.flush()
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| 73 |
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| 74 | vis.visit_path(path, ast)
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| 75 |
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| 76 | print("")
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