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111
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1 #! /usr/bin/python2
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2 import os.path
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3 import sys
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4 import shlex
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5 import re
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6
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7 from headerutils import *
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8
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9 def pretty_name (name):
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10 return name.replace(".","_").replace("-","_").replace("/","_").replace("+","_");
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11
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12
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13 include_files = list()
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14 edges = 0
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15 one_c = False
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16 clink = list()
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17 noterm = False
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18
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19 def build_inclist (output, filen):
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20 global edges
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21 global one_c
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22 global clink
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23 global noterm
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24 inc = build_include_list (filen)
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25 if one_c and filen[-2:] == ".c":
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26 pn = "all_c"
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27 else:
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28 pn = pretty_name(filen)
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29 for nm in inc:
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30 if pn == "all_c":
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31 if nm not in clink:
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32 if len(build_include_list(nm)) != 0 or not noterm:
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33 output.write (pretty_name(nm) + " -> " + pn + ";\n")
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34 edges = edges + 1
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35 if nm not in include_files:
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36 include_files.append(nm)
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37 clink.append (nm)
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38 else:
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39 output.write (pretty_name(nm) + " -> " + pn + ";\n")
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40 edges = edges + 1
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41 if nm not in include_files:
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42 include_files.append(nm)
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43 return len(inc) == 0
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44
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45 dotname = "graph.dot"
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46 graphname = "graph.png"
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47
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48 def build_dot_file (file_list):
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49 global one_c
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50 output = open(dotname, "w")
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51 output.write ("digraph incweb {\n");
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52 if one_c:
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53 output.write ("all_c [shape=box];\n");
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54 for x in file_list:
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55 if x[-2:] == ".h":
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56 include_files.append (x)
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57 elif os.path.exists (x):
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58 build_inclist (output, x)
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59 if not one_c:
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60 output.write (pretty_name (x) + "[shape=box];\n")
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61
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62 for x in include_files:
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63 term = build_inclist (output, x)
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64 if term:
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65 output.write (pretty_name(x) + " [style=filled];\n")
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66
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67 output.write ("}\n");
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68
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69
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70 files = list()
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71 dohelp = False
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72 edge_thresh = 0
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73 for arg in sys.argv[1:]:
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74 if arg[0:2] == "-o":
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75 dotname = arg[2:]+".dot"
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76 graphname = arg[2:]+".png"
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77 elif arg[0:2] == "-h":
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78 dohelp = True
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79 elif arg[0:2] == "-a":
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80 one_c = True
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81 if arg[0:3] == "-at":
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82 noterm = True
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83 elif arg[0:2] == "-f":
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84 if not os.path.exists (arg[2:]):
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85 print "Option " + arg +" doesn't specify a proper file"
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86 dohelp = True
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87 else:
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88 sfile = open (arg[2:], "r")
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89 srcdata = sfile.readlines()
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90 sfile.close()
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91 for x in srcdata:
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92 files.append(x.rstrip())
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93 elif arg[0:2] == "-n":
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94 edge_thresh = int (arg[2:])
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95 elif arg[0:1] == "-":
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96 print "Unrecognized option " + arg
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97 dohelp = True
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98 else:
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99 files.append (arg)
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100
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101 if len(sys.argv) == 1:
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102 dohelp = True
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103
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104 if dohelp:
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105 print "Generates a graph of the include web for specified files."
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106 print "Usage: [-finput_file] [-h] [-ooutput] [file1 ... [filen]]"
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107 print " -finput_file : Input file containing a list of files to process."
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108 print " -ooutput : Specifies output to output.dot and output.png."
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109 print " defaults to graph.dot and graph.png."
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110 print " -nnum : Specifies the # of edges beyond which sfdp is invoked. def=0."
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111 print " -a : Aggregate all .c files to 1 file. Shows only include web."
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112 print " -at : Aggregate, but don't include terminal.h to .c links."
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113 print " -h : Print this help."
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114 else:
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115 print files
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116 build_dot_file (files)
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117 if edges > edge_thresh:
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118 os.system ("sfdp -Tpng " + dotname + " -o" + graphname)
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119 else:
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120 os.system ("dot -Tpng " + dotname + " -o" + graphname)
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121
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122
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