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1 "{ Package: 'stx:goodies/petitparser/islands' }" |
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2 |
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3 PPCompositeParser subclass:#JavaParser |
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4 instanceVariableNames:'javaClass classDef classBody methodDef arguments methodBody |
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5 methodName block modifiers classId type throws javaClassIsland |
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6 methodModifiers semicolon comment singleLineComment string water' |
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7 classVariableNames:'' |
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8 poolDictionaries:'' |
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9 category:'PetitIslands-Examples' |
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10 ! |
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11 |
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12 JavaParser comment:'A JavaParser is a island parser, that can extract method names from a java file. |
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13 |
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14 Instance Variables |
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15 arguments: <Object> |
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16 block: <Object> |
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17 classBody: <Object> |
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18 classDef: <Object> |
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19 classId: <Object> |
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20 javaClass: <Object> |
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21 javaClassIsland: <Object> |
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22 methodBody: <Object> |
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23 methodDef: <Object> |
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24 methodModifiers: <Object> |
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25 methodName: <Object> |
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26 modifiers: <Object> |
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27 semicolon: <Object> |
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28 throws: <Object> |
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29 type: <Object> |
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30 |
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31 arguments |
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32 - xxxxx |
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33 |
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34 block |
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35 - xxxxx |
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36 |
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37 classBody |
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38 - xxxxx |
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39 |
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40 classDef |
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41 - xxxxx |
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42 |
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43 classId |
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44 - xxxxx |
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45 |
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46 javaClass |
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47 - xxxxx |
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48 |
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49 javaClassIsland |
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50 - xxxxx |
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51 |
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52 methodBody |
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53 - xxxxx |
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54 |
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55 methodDef |
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56 - xxxxx |
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57 |
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58 methodModifiers |
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59 - xxxxx |
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60 |
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61 methodName |
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62 - xxxxx |
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63 |
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64 modifiers |
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65 - xxxxx |
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66 |
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67 semicolon |
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68 - xxxxx |
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69 |
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70 throws |
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71 - xxxxx |
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72 |
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73 type |
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74 - xxxxx |
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75 ' |
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76 ! |
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77 |
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78 !JavaParser methodsFor:'as yet unclassified'! |
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79 |
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80 start |
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81 ^ javaClassIsland |
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82 ! ! |
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83 |
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84 !JavaParser methodsFor:'class'! |
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85 |
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86 block |
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87 ^ (${ asParser, |
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88 ((block island: water) plus / nil asParser island), |
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89 $} asParser) ==> [:tokens | nil ] |
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90 |
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91 ! |
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92 |
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93 classBody |
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94 ^ |
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95 (${ asParser, |
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96 ( |
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97 ((methodDef island: water) ==> [:tokens | tokens second]) plus / |
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98 ((nil asParser island: water) ==> [ :tokens | OrderedCollection new ]) |
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99 ), |
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100 $} asParser) ==> [:tokens | tokens second select: [:e | e isNil not ]] |
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101 ! |
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102 |
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103 classDef |
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104 ^ modifiers trim, 'class' asParser, classId trim ==> [:tokens | tokens third ] |
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105 ! |
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106 |
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107 classId |
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108 ^ (#uppercase asParser, (#letter asParser / #digit asParser) star) flatten |
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109 ! |
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110 |
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111 javaClass |
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112 ^ classDef, ((classBody island:water) ==> [:tokens | tokens second ]) |
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113 ! |
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114 |
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115 javaClassIsland |
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116 ^ (javaClass island: water) ==> [:tokens | tokens second] |
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117 ! |
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118 |
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119 methodModifiers |
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120 ^( ('public' asParser / 'private' asParser / 'protected' asParser) optional, |
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121 'static' asParser trim optional, |
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122 'final' asParser trim optional, |
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123 'abstract' asParser trim optional, |
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124 'synchronized' asParser trim optional, |
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125 'native' asParser trim optional) ==> [ :tokens | nil ] |
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126 ! |
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127 |
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128 modifiers |
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129 ^ ('public' asParser / 'private' asParser), 'final' asParser trim optional, 'abstract' asParser trim optional |
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130 ! ! |
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131 |
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132 !JavaParser methodsFor:'comments and strings'! |
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133 |
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134 comment |
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135 | end | |
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136 end := '*/' asParser. |
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137 ^ ('/*' asParser, (#any asParser starLazy: end), end) |
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138 ! |
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139 |
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140 singleLineComment |
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141 | end | |
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142 end := #newline asParser. |
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143 ^ ('//' asParser, (#any asParser starLazy: end), end) |
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144 ! |
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145 |
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146 string |
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147 | end | |
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148 end := $" asParser. |
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149 ^ ($" asParser, (#any asParser starLazy: end), end) |
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150 name: 'string'; |
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151 yourself. |
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152 ! ! |
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153 |
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154 !JavaParser methodsFor:'context'! |
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155 |
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156 updateContext: aPPContext |
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157 super updateContext: aPPContext. |
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158 " aPPContext globalAt: #waterObjects put: (OrderedCollection |
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159 with: self comment |
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160 with: self singleLineComment |
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161 with: self string |
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162 with: self block)." |
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163 ! ! |
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164 |
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165 !JavaParser methodsFor:'method'! |
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166 |
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167 arguments |
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168 ^ $( asParser, nil asParser island, $) asParser trim |
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169 ! |
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170 |
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171 methodBody |
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172 ^ semicolon / block |
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173 ! |
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174 |
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175 methodDef |
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176 ^ methodModifiers, (type island: water), (methodName island:water), (arguments island:water), methodBody ==> [:tokens | tokens third second ] |
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177 ! |
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178 |
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179 methodName |
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180 ^ (#letter asParser, (#letter asParser / #digit asParser) star) flatten |
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181 ! |
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182 |
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183 semicolon |
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184 ^ ';' asParser |
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185 ! |
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186 |
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187 throws |
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188 ^ 'throws' asParser trim, type trim, ($, asParser, type trim) star |
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189 ! |
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190 |
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191 type |
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192 ^ (#letter asParser, (#letter asParser / #digit asParser) star) flatten |
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193 ! |
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194 |
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195 water |
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196 " |
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197 This will allow to skip over |
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198 - Strings, |
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199 - Comments |
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200 - and blocks |
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201 when parsing water. This way, comments and strings cannot confuse the result. |
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202 " |
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203 |
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204 ^ comment / string / singleLineComment / block / #any asParser |
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205 ! ! |
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206 |