1 // Little utility to convert result() -> qed ... in Isabelle's files |
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2 // Written in 1995 by Carsten Clasohm (clasohm@informatik.tu-muenchen.de) |
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3 |
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4 #define LIN_LEN 1000 // maximal length of lines in sourcefile |
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5 |
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6 #include <iostream.h> |
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7 #include <fstream.h> |
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8 #include <string.h> |
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9 #include <assert.h> |
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10 #include <stdio.h> |
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11 #include <unistd.h> |
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12 #include <ctype.h> |
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13 |
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14 // Null terminated list of theorem names that must not be included in the |
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15 // theorem database |
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16 char * excludeName[] = {"temp", "tmp", 0}; |
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17 |
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18 int ExcludeThm(char *name) |
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19 { |
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20 for (int i = 0; excludeName[i]; i++) |
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21 if (strcmp(name, excludeName[i]) == 0) |
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22 return 1; |
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23 return 0; |
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24 } |
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25 |
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26 main(int argc, char *argv[]) |
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27 { |
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28 char l[LIN_LEN]; |
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29 int lines = 0; |
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30 |
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31 // Open input and output files |
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32 ifstream in(argv[1]); |
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33 ofstream out(argv[2]); |
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34 |
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35 if (in.bad() || out.bad()) |
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36 { |
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37 cerr << "qed version 1.00, Written in 1994 by Carsten Clasohm" |
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38 "(clasohm@informatik.tu-muenchen.de)\n\n"; |
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39 cerr << "Usage: qed <infile> <outfile>\n"; |
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40 exit(1); |
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41 } |
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42 |
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43 #ifdef DEBUG |
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44 cerr << "Processing file " << argv[1] << '\n'; |
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45 #endif |
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46 |
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47 // Process each line separatly |
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48 in.getline(l, LIN_LEN); |
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49 while (!in.eof()) |
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50 { |
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51 char *rPos; |
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52 char *valPos; |
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53 char *eqPos; |
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54 char *tmp; |
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55 |
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56 if ((rPos = strstr(l, "result()")) && (!isalnum(*(rPos-1))) |
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57 && (valPos = strstr(l, "val ")) && (eqPos = strstr(l, "="))) |
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58 { // does line contain "result()" and "val"? |
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59 char name[LIN_LEN]; |
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60 |
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61 assert(eqPos-(valPos+4) > 0); |
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62 strncpy(name, valPos+4, eqPos-(valPos+4)); |
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63 name[eqPos-(valPos+4)] = 0; |
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64 if (!isalnum(name[eqPos-(valPos+4)-1])) |
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65 name[eqPos-(valPos+4)-1] = 0; |
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66 #ifdef DEBUG |
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67 cerr << "Found result: \"" << name << "\"\n"; |
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68 #endif |
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69 char prefix[LIN_LEN]; |
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70 char arg[LIN_LEN]; |
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71 |
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72 if (ExcludeThm(name)) |
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73 out << l << '\n'; |
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74 else if ((rPos - eqPos < 5) && (rPos == strstr(l, "result();"))) |
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75 { // replace by "qed"? |
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76 strncpy(prefix, l, valPos-l); |
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77 prefix[valPos-l] = 0; |
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78 out << prefix << "qed \"" << name << "\";" << '\n'; |
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79 } |
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80 else // replace by bind_thm |
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81 { |
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82 int d = (*(eqPos+1) == ' ') ? 2 : 1; |
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83 strcpy(arg, eqPos+d); |
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84 arg[strlen(arg)-1] = 0; |
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85 strcpy(prefix, l); |
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86 prefix[valPos-l] = 0; |
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87 out << prefix << "bind_thm(\"" << name << "\", " |
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88 << arg << ");\n"; |
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89 } |
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90 } |
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91 else if ((rPos = strstr(l, "prove_goal")) |
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92 && (!isalnum(*(rPos-1))) |
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93 && (!isalnum(*(rPos+10)) || (*(rPos+10) == 'w')) |
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94 && (valPos = strstr(l, "val ")) |
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95 && (eqPos = strstr(l, "=")) |
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96 && (rPos - eqPos < 5)) |
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97 { // replace prove_goal by qed_goal? |
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98 char name[LIN_LEN]; |
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99 |
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100 assert(eqPos-(valPos+4) > 0); |
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101 strncpy(name, valPos+4, eqPos-(valPos+4)); |
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102 name[eqPos-(valPos+4)] = 0; |
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103 if (!isalnum(name[eqPos-(valPos+4)-1])) |
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104 name[eqPos-(valPos+4)-1] = 0; |
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105 #ifdef DEBUG |
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106 cerr << "Found prove_goal: \"" << name << "\"\n"; |
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107 #endif |
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108 if (ExcludeThm(name)) |
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109 out << l << '\n'; |
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110 else |
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111 { |
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112 char prefix[LIN_LEN]; |
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113 char arg[LIN_LEN]; |
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114 |
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115 strncpy(prefix, l, valPos-l); |
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116 prefix[valPos-l] = 0; |
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117 out << prefix << "qed_goal" |
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118 << ((*(rPos+10) == 'w') ? "w " : " ") |
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119 << '\"' << name << '\"' << strchr(rPos, ' ') << '\n'; |
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120 } |
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121 } |
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122 else if ((rPos = strstr(l, "standard")) |
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123 && (!isalnum(*(rPos-1))) |
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124 && (!isalnum(*(rPos+8))) |
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125 && (valPos = strstr(l, "val ")) |
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126 && (eqPos = strstr(l, "=")) |
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127 && (rPos - eqPos < 5) |
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128 && (l[strlen(l)-1] == ';')) |
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129 { // insert bind_thm? |
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130 char name[LIN_LEN]; |
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131 |
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132 assert(eqPos-(valPos+4) > 0); |
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133 strncpy(name, valPos+4, eqPos-(valPos+4)); |
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134 name[eqPos-(valPos+4)] = 0; |
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135 if (!isalnum(name[eqPos-(valPos+4)-1])) |
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136 name[eqPos-(valPos+4)-1] = 0; |
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137 #ifdef DEBUG |
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138 cerr << "Found standard: \"" << name << "\"\n"; |
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139 #endif |
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140 if (ExcludeThm(name)) |
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141 out << l << '\n'; |
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142 else |
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143 { |
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144 char prefix[LIN_LEN]; |
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145 char arg[LIN_LEN]; |
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146 |
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147 strncpy(prefix, l, valPos-l); |
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148 prefix[valPos-l] = 0; |
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149 strcpy(l+strlen(l)-1, ");"); // insert ")" before line's ';' |
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150 out << prefix << "bind_thm (\"" << name << "\"," |
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151 << strchr(rPos, ' ') << '\n'; |
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152 } |
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153 } |
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154 else // output line unchanged |
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155 out << l << '\n'; |
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156 in.getline(l, LIN_LEN); |
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157 } |
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158 in.close(); |
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159 out.close(); |
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160 #ifdef DEBUG |
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161 cerr << "Done\n"; |
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162 #endif |
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163 } |
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