Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/jvm/Gen.java
src/share/classes/com/sun/tools/javac/jvm/Gen.java
- changeset 1138
- 7375d4979bd3
- parent 1127
- ca49d50318dc
- child 1157
- 3809292620c9
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| 1137:c1238fcc9515 | 1138:7375d4979bd3 |
|---|---|
| 24 */ | 24 */ |
| 25 | 25 |
| 26 package com.sun.tools.javac.jvm; | 26 package com.sun.tools.javac.jvm; |
| 27 import java.util.*; | 27 import java.util.*; |
| 28 | 28 |
| 29 import javax.lang.model.element.ElementKind; | |
| 30 | |
| 31 import com.sun.tools.javac.util.*; | 29 import com.sun.tools.javac.util.*; |
| 32 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; | 30 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; |
| 33 import com.sun.tools.javac.util.List; | 31 import com.sun.tools.javac.util.List; |
| 34 import com.sun.tools.javac.code.*; | 32 import com.sun.tools.javac.code.*; |
| 35 import com.sun.tools.javac.comp.*; | 33 import com.sun.tools.javac.comp.*; |
| 37 | 35 |
| 38 import com.sun.tools.javac.code.Symbol.*; | 36 import com.sun.tools.javac.code.Symbol.*; |
| 39 import com.sun.tools.javac.code.Type.*; | 37 import com.sun.tools.javac.code.Type.*; |
| 40 import com.sun.tools.javac.jvm.Code.*; | 38 import com.sun.tools.javac.jvm.Code.*; |
| 41 import com.sun.tools.javac.jvm.Items.*; | 39 import com.sun.tools.javac.jvm.Items.*; |
| 40 import com.sun.tools.javac.parser.EndPosTable; | |
| 42 import com.sun.tools.javac.tree.JCTree.*; | 41 import com.sun.tools.javac.tree.JCTree.*; |
| 43 | 42 |
| 44 import static com.sun.tools.javac.code.Flags.*; | 43 import static com.sun.tools.javac.code.Flags.*; |
| 45 import static com.sun.tools.javac.code.Kinds.*; | 44 import static com.sun.tools.javac.code.Kinds.*; |
| 46 import static com.sun.tools.javac.code.TypeTags.*; | 45 import static com.sun.tools.javac.code.TypeTags.*; |
| 195 | 194 |
| 196 /** The number of code-gen errors in this class. | 195 /** The number of code-gen errors in this class. |
| 197 */ | 196 */ |
| 198 private int nerrs = 0; | 197 private int nerrs = 0; |
| 199 | 198 |
| 200 /** A hash table mapping syntax trees to their ending source positions. | 199 /** An object containing mappings of syntax trees to their |
| 201 */ | 200 * ending source positions. |
| 202 private Map<JCTree, Integer> endPositions; | 201 */ |
| 202 EndPosTable endPosTable; | |
| 203 | 203 |
| 204 /** Generate code to load an integer constant. | 204 /** Generate code to load an integer constant. |
| 205 * @param n The integer to be loaded. | 205 * @param n The integer to be loaded. |
| 206 */ | 206 */ |
| 207 void loadIntConst(int n) { | 207 void loadIntConst(int n) { |
| 480 if ((sym.flags() & STATIC) == 0) { | 480 if ((sym.flags() & STATIC) == 0) { |
| 481 // Always initialize instance variables. | 481 // Always initialize instance variables. |
| 482 JCStatement init = make.at(vdef.pos()). | 482 JCStatement init = make.at(vdef.pos()). |
| 483 Assignment(sym, vdef.init); | 483 Assignment(sym, vdef.init); |
| 484 initCode.append(init); | 484 initCode.append(init); |
| 485 if (endPositions != null) { | 485 endPosTable.replaceTree(vdef, init); |
| 486 Integer endPos = endPositions.remove(vdef); | |
| 487 if (endPos != null) endPositions.put(init, endPos); | |
| 488 } | |
| 489 } else if (sym.getConstValue() == null) { | 486 } else if (sym.getConstValue() == null) { |
| 490 // Initialize class (static) variables only if | 487 // Initialize class (static) variables only if |
| 491 // they are not compile-time constants. | 488 // they are not compile-time constants. |
| 492 JCStatement init = make.at(vdef.pos). | 489 JCStatement init = make.at(vdef.pos). |
| 493 Assignment(sym, vdef.init); | 490 Assignment(sym, vdef.init); |
| 494 clinitCode.append(init); | 491 clinitCode.append(init); |
| 495 if (endPositions != null) { | 492 endPosTable.replaceTree(vdef, init); |
| 496 Integer endPos = endPositions.remove(vdef); | |
| 497 if (endPos != null) endPositions.put(init, endPos); | |
| 498 } | |
| 499 } else { | 493 } else { |
| 500 checkStringConstant(vdef.init.pos(), sym.getConstValue()); | 494 checkStringConstant(vdef.init.pos(), sym.getConstValue()); |
| 501 } | 495 } |
| 502 } | 496 } |
| 503 break; | 497 break; |
| 2215 public boolean genClass(Env<AttrContext> env, JCClassDecl cdef) { | 2209 public boolean genClass(Env<AttrContext> env, JCClassDecl cdef) { |
| 2216 try { | 2210 try { |
| 2217 attrEnv = env; | 2211 attrEnv = env; |
| 2218 ClassSymbol c = cdef.sym; | 2212 ClassSymbol c = cdef.sym; |
| 2219 this.toplevel = env.toplevel; | 2213 this.toplevel = env.toplevel; |
| 2220 this.endPositions = toplevel.endPositions; | 2214 this.endPosTable = toplevel.endPositions; |
| 2221 // If this is a class definition requiring Miranda methods, | 2215 // If this is a class definition requiring Miranda methods, |
| 2222 // add them. | 2216 // add them. |
| 2223 if (generateIproxies && | 2217 if (generateIproxies && |
| 2224 (c.flags() & (INTERFACE|ABSTRACT)) == ABSTRACT | 2218 (c.flags() & (INTERFACE|ABSTRACT)) == ABSTRACT |
| 2225 && !allowGenerics // no Miranda methods available with generics | 2219 && !allowGenerics // no Miranda methods available with generics |
| 2251 } finally { | 2245 } finally { |
| 2252 // note: this method does NOT support recursion. | 2246 // note: this method does NOT support recursion. |
| 2253 attrEnv = null; | 2247 attrEnv = null; |
| 2254 this.env = null; | 2248 this.env = null; |
| 2255 toplevel = null; | 2249 toplevel = null; |
| 2256 endPositions = null; | 2250 endPosTable = null; |
| 2257 nerrs = 0; | 2251 nerrs = 0; |
| 2258 } | 2252 } |
| 2259 } | 2253 } |
| 2260 | 2254 |
| 2261 /* ************************************************************************ | 2255 /* ************************************************************************ |
