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79
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1 /**
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2 * this implements the JSON capability
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3 */
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4 module dmd.Json;
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5
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114
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6 import dmd.common;
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79
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7 import dmd.String;
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8 import std.stdio : write, writef;
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9
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10 import dmd.Array;
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11 import dmd.File;
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12 import dmd.FileName;
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13 import dmd.Global;
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14 import dmd.Module;
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15 import dmd.OutBuffer;
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16
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17 immutable Pname = "name";
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18 immutable Pkind = "kind";
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19 immutable Pfile = "file";
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20 immutable Pline = "line";
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21 immutable Ptype = "type";
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22 immutable Pcomment = "comment";
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23 immutable Pmembers = "members";
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24
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25 void json_generate(Array modules)
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26 {
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27 OutBuffer buf;
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28
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96
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29 buf.writestring("[\n");
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79
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30 for (int i = 0; i < modules.dim; i++)
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31 {
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32 Module m = cast(Module)modules.data[i];
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33 if (global.params.verbose)
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34 writef("json gen %s\n", m.toChars());
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35 m.toJsonBuffer(buf);
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96
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36 buf.writestring(",\n");
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79
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37 }
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96
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38 JsonRemoveComma(buf);
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39 buf.writestring("]\n");
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79
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40
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41 // Write buf to file
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42 string arg = global.params.xfilename;
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43 if (arg is null || arg[0] == 0)
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44 { // Generate lib file name from first obj name
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45 String n2 = cast(String) global.params.objfiles.data[0];
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46
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47 string n = FileName.name(n2.toChars());
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48 FileName fn = FileName.forceExt(n, global.json_ext);
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49 arg = fn.toChars();
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50 }
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51 else if (arg[0] == '-' && arg[1] == 0)
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52 {
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53 // Write to stdout
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54 write(buf.data[0..buf.offset]);
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55 return;
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56 }
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57 // if (!FileName.absolute(arg))
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58 // arg = FileName.combine(dir, arg);
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59 FileName jsonfilename = FileName.defaultExt(arg, global.json_ext);
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60 File jsonfile = new File(jsonfilename);
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61 assert(jsonfile);
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62 jsonfile.setbuffer(buf.data, buf.offset);
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63 jsonfile.ref_ = 1;
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64 string pt = FileName.path(jsonfile.toChars());
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65 if (pt[0] != 0)
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66 FileName.ensurePathExists(pt);
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67 // mem.free(pt);
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68 jsonfile.writev();
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69 }
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70
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71
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72 /*********************************
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73 * Encode string into buf, and wrap it in double quotes.
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74 */
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75 void JsonString(OutBuffer buf, const(char)[] s)
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76 {
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77 buf.writeByte('\"');
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78 foreach (c; s)
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79 {
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80 switch (c)
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81 {
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82 case '\n':
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83 buf.writestring(`\n`);
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84 break;
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85
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86 case '\r':
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87 buf.writestring(`\r`);
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88 break;
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89
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90 case '\t':
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91 buf.writestring(`\t`);
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92 break;
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93
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94 case '\"':
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95 buf.writestring(`\"`);
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96 break;
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97
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98 case '\\':
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99 buf.writestring(`\\`);
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100 break;
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101
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102 case '/':
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103 buf.writestring(`\/`);
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104 break;
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105
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106 case '\b':
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107 buf.writestring(`\b`);
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108 break;
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109
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110 case '\f':
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111 buf.writestring(`\f`);
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112 break;
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113
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114 default:
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115 if (c < 0x20)
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116 buf.printf("\\u%04x", c);
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117 else
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118 // Note that UTF-8 chars pass through here just fine
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119 buf.writeByte(c);
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120 break;
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121 }
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122 }
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123 buf.writeByte('\"');
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124 }
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125
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126 void JsonProperty(OutBuffer buf, const(char)[] name, const(char)[] value)
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127 {
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128 JsonString(buf, name);
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129 buf.writestring(" : ");
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130 JsonString(buf, value);
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131 buf.writestring(",\n");
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132 }
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133
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134 void JsonProperty(OutBuffer buf, const(char)[] name, int value)
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135 {
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136 JsonString(buf, name);
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137 buf.writestring(" : ");
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138 buf.printf("%d", value);
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139 buf.writestring(",\n");
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140 }
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141
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142 void JsonRemoveComma(OutBuffer buf)
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143 {
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144 if (buf.offset >= 2 &&
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145 buf.data[buf.offset - 2] == ',' &&
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146 buf.data[buf.offset - 1] == '\n')
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147 buf.offset -= 2;
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148 } |
