Mercurial > hg > graal-jvmci-8
comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/parser/SimpleLanguage.atg @ 18411:dc2e000bed40
SL: add basic support for creating objects and accessing properties
| author | Andreas Woess <andreas.woess@jku.at> |
|---|---|
| date | Tue, 18 Nov 2014 23:02:58 +0100 |
| parents | f444ef4684ec |
| children | cfb85e1f4ca5 |
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| 18410:f444ef4684ec | 18411:dc2e000bed40 |
|---|---|
| 200 | 200 |
| 201 | 201 |
| 202 Factor<out SLExpressionNode result> | 202 Factor<out SLExpressionNode result> |
| 203 = (. result = null; .) | 203 = (. result = null; .) |
| 204 ( | 204 ( |
| 205 identifier (. Token nameToken = t; .) | 205 identifier (. result = factory.createRead(t); .) |
| 206 ( | 206 [ |
| 207 "(" (. List<SLExpressionNode> parameters = new ArrayList<>(); | 207 MemberExpression<out result, result, null, t> |
| 208 SLExpressionNode parameter; .) | 208 ] |
| 209 [ | |
| 210 Expression<out parameter> (. parameters.add(parameter); .) | |
| 211 { | |
| 212 "," | |
| 213 Expression<out parameter> (. parameters.add(parameter); .) | |
| 214 } | |
| 215 ] | |
| 216 ")" (. Token finalToken = t; .) | |
| 217 (. result = factory.createCall(nameToken, parameters, finalToken); .) | |
| 218 | | |
| 219 "=" | |
| 220 Expression<out SLExpressionNode value> (. result = factory.createAssignment(nameToken, value); .) | |
| 221 | | |
| 222 (. result = factory.createRead(nameToken); .) | |
| 223 ) | |
| 224 | | 209 | |
| 225 stringLiteral (. result = factory.createStringLiteral(t); .) | 210 stringLiteral (. result = factory.createStringLiteral(t); .) |
| 226 | | 211 | |
| 227 numericLiteral (. result = factory.createNumericLiteral(t); .) | 212 numericLiteral (. result = factory.createNumericLiteral(t); .) |
| 228 | | 213 | |
| 232 (. result = factory.createParenExpression(expr, start, length); .) | 217 (. result = factory.createParenExpression(expr, start, length); .) |
| 233 ) | 218 ) |
| 234 . | 219 . |
| 235 | 220 |
| 236 | 221 |
| 222 MemberExpression<out SLExpressionNode result, SLExpressionNode receiver, SLExpressionNode assignmentReceiver, Token assignmentName> | |
| 223 = (. result = null; | |
| 224 Token nestedAssignmentName = null; .) | |
| 225 ( | |
| 226 "(" (. List<SLExpressionNode> parameters = new ArrayList<>(); | |
| 227 SLExpressionNode parameter; .) | |
| 228 [ | |
| 229 Expression<out parameter> (. parameters.add(parameter); .) | |
| 230 { | |
| 231 "," | |
| 232 Expression<out parameter> (. parameters.add(parameter); .) | |
| 233 } | |
| 234 ] | |
| 235 ")" (. Token finalToken = t; .) | |
| 236 (. result = factory.createCall(receiver, parameters, finalToken); .) | |
| 237 | | |
| 238 "=" | |
| 239 Expression<out SLExpressionNode value> (. if (assignmentName == null) { | |
| 240 SemErr("invalid assignment target"); | |
| 241 } else if (assignmentReceiver == null) { | |
| 242 result = factory.createAssignment(assignmentName, value); | |
| 243 } else { | |
| 244 result = factory.createWriteProperty(assignmentReceiver, assignmentName, value); | |
| 245 } .) | |
| 246 | | |
| 247 "." | |
| 248 identifier | |
| 249 (. result = factory.createReadProperty(receiver, t); .) | |
| 250 (. nestedAssignmentName = t; .) | |
| 251 ) | |
| 252 [ | |
| 253 MemberExpression<out result, result, receiver, nestedAssignmentName> | |
| 254 ] | |
| 255 . | |
| 256 | |
| 257 | |
| 237 END SimpleLanguage. | 258 END SimpleLanguage. |