[6262b5c] | 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, parse_file, c_generator
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| 5 |
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| 6 | cross_gcc = "/opt/cross-m68k/bin/m68k-none-elf-gcc"
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| 7 | gen = c_generator.CGenerator()
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| 8 |
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| 9 | inc_map = {
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| 10 | "int8_t": "stdint.h",
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| 11 | "uint8_t": "stdint.h",
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| 12 | "int16_t": "stdint.h",
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| 13 | "uint16_t": "stdint.h",
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| 14 | "int32_t": "stdint.h",
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| 15 | "uint32_t": "stdint.h"
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| 16 | }
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| 17 |
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| 18 | with open("misc/c-files.txt", "r") as f:
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| 19 | for path in f:
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| 20 | path = path.rstrip()
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| 21 |
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| 22 | if path == "ram/wdfield.c": # breaks pycparser
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| 23 | continue
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| 24 |
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| 25 | stdout.write("reading {} \r".format(path))
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| 26 | stdout.flush()
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| 27 |
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| 28 | ast = parse_file(path, use_cpp = True, cpp_path = cross_gcc,
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| 29 | cpp_args = ["-E", "-I", "include", "-include", "predef.h"])
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| 30 | # ast.show()
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| 31 |
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| 32 | funs = {}
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| 33 | vars = {}
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| 34 | incs = set()
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| 35 |
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| 36 | for ext in ast.ext:
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| 37 | # assumes that includes come before .c files in c-files.txt, i.e.,
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| 38 | # that we've already seen the .h file, when its declarations are used
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| 39 | # by a .c file.
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| 40 |
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| 41 | if ext.coord.file == path and path[-2:] == ".h":
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| 42 | if type(ext) is c_ast.Decl and \
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| 43 | type(ext.type) is c_ast.Struct:
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| 44 | inc_map[ext.type.name] = path.split("/")[-1]
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| 45 | continue
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| 46 |
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| 47 | if type(ext) is c_ast.Decl and \
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| 48 | (type(ext.type) is c_ast.TypeDecl or \
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| 49 | type(ext.type) is c_ast.PtrDecl or \
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| 50 | type(ext.type) is c_ast.ArrayDecl):
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| 51 | decl = ext
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| 52 | map = vars
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| 53 |
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| 54 | elif type(ext) is c_ast.FuncDef:
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| 55 | decl = ext.decl
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| 56 | map = funs
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| 57 |
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| 58 | else:
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| 59 | continue
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| 60 |
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| 61 | if "extern" in decl.storage or \
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| 62 | "static" in decl.storage:
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| 63 | continue
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| 64 |
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| 65 | decl.storage = ["extern"]
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| 66 | decl.init = None
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| 67 |
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| 68 | toks = gen.visit(decl).split(" ")
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| 69 |
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| 70 | for tok in toks:
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| 71 | if tok in inc_map:
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| 72 | incs.add(inc_map[tok])
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| 73 |
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| 74 | alig = ""
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| 75 |
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| 76 | alig += toks[0] + "\t"
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| 77 | toks = toks[1:]
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| 78 |
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| 79 | if toks[0] == "struct":
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| 80 | if len(toks[1]) > 7:
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| 81 | raise Exception("identifier too long: {}".format(toks[1]))
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| 82 |
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| 83 | alig += toks[0] + "\t" + toks[1] + "\t"
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| 84 | toks = toks[2:]
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| 85 |
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| 86 | else:
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| 87 | alig += toks[0] + ("\t\t" if len(toks[0]) < 8 else "\t")
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| 88 | toks = toks[1:]
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| 89 |
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| 90 | map[decl.name] = alig + " ".join(toks) + ";"
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| 91 |
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| 92 | file = path.split("/")[-1]
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| 93 | glob = []
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| 94 |
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| 95 | if len(vars) > 0:
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| 96 | glob.append("/*")
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| 97 | glob.append(" =============================================================================")
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| 98 | glob.append("\t" + file + " -- global variables")
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| 99 | glob.append(" =============================================================================")
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| 100 | glob.append("*/")
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| 101 | glob.append("")
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| 102 |
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| 103 | for _, out in sorted(vars.items()):
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| 104 | glob.append(out)
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| 105 |
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| 106 | glob.append("")
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| 107 |
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| 108 | if len(funs) > 0:
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| 109 | glob.append("/*")
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| 110 | glob.append(" =============================================================================")
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| 111 | glob.append("\t" + file + " -- global functions")
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| 112 | glob.append(" =============================================================================")
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| 113 | glob.append("*/")
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| 114 | glob.append("")
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| 115 |
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| 116 | for _, out in sorted(funs.items()):
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| 117 | glob.append(out)
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| 118 |
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| 119 | glob.append("")
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| 120 |
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| 121 | if len(glob) == 0:
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| 122 | continue
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| 123 |
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| 124 | head = []
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| 125 | head.append("#pragma once")
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| 126 | head.append("")
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| 127 |
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| 128 | if len(incs) > 0:
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| 129 | for inc in sorted(incs):
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| 130 | head.append("#include \"{}\"".format(inc))
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| 131 |
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| 132 | head.append("")
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| 133 |
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| 134 | glob = head + glob
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| 135 |
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| 136 | with open(path[:-2] + ".x", "w") as f:
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| 137 | print("\n".join(glob), file = f)
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| 138 |
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| 139 | print("")
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