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Commit b376f5c

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zhourenjian@gmail.com
committed
Use different new array method for different types
Fixing bug of char related functions and improving char related operation compilation.
1 parent e4e9355 commit b376f5c

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+146
-33
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1 file changed

+146
-33
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‎src/net/sf/j2s/core/astvisitors/ASTKeywordVisitor.java

Lines changed: 146 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -150,11 +150,31 @@ protected void visitList(List list, String seperator, int begin, int end) {
150150
public boolean visit(ArrayAccess node) {
151151
node.getArray().accept(this);
152152
buffer.append('[');
153+
int idx1 = buffer.length();
153154
Expression index = node.getIndex();
154155
index.accept(this);
155156
ITypeBinding rightTypeBinding = index.resolveTypeBinding();
156157
if (rightTypeBinding != null && "char".equals(rightTypeBinding.getName())) {
157-
buffer.append(".charCodeAt (0)");
158+
boolean appendingCode = true;
159+
int length = buffer.length();
160+
if (index instanceof MethodInvocation) {
161+
MethodInvocation m = (MethodInvocation) index;
162+
if ("charAt".equals(m.getName().toString())) {
163+
int idx2 = buffer.indexOf(".charAt ", idx1);
164+
if (idx2 != -1) {
165+
StringBuffer newMethodBuffer = new StringBuffer();
166+
newMethodBuffer.append(buffer.substring(idx1, idx2));
167+
newMethodBuffer.append(".charCodeAt ");
168+
newMethodBuffer.append(buffer.substring(idx2 + 8, length));
169+
buffer.delete(idx1, length);
170+
buffer.append(newMethodBuffer.toString());
171+
appendingCode = false;
172+
}
173+
}
174+
}
175+
if (appendingCode) {
176+
buffer.append(".charCodeAt (0)");
177+
}
158178
}
159179
buffer.append(']');
160180
return false;
@@ -179,15 +199,21 @@ public boolean visit(ArrayCreation node) {
179199
|| "byte".equals(typeCode)
180200
|| "long".equals(typeCode)
181201
|| "short".equals(typeCode)) {
182-
buffer.append(" Clazz.newArray (");
202+
//buffer.append(" Clazz.newArray (");
203+
buffer.append(" Clazz.new");
204+
buffer.append(typeCode.substring(0, 1).toUpperCase());
205+
buffer.append(typeCode.substring(1));
206+
buffer.append("Array (");
183207
visitList(dim, ", ");
184208
buffer.append(", 0)");
185209
} else if ("char".equals(typeCode)) {
186-
buffer.append(" Clazz.newArray (");
210+
//buffer.append(" Clazz.newArray (");
211+
buffer.append(" Clazz.newCharArray (");
187212
visitList(dim, ", ");
188213
buffer.append(", '\\0')");
189214
} else if ("boolean".equals(typeCode)) {
190-
buffer.append(" Clazz.newArray (");
215+
//buffer.append(" Clazz.newArray (");
216+
buffer.append(" Clazz.newBooleanArray (");
191217
visitList(dim, ", ");
192218
buffer.append(", false)");
193219
} else {
@@ -386,31 +412,47 @@ public boolean visit(Assignment node) {
386412
* FIXME: Bug here!: v[count++] = 'a';
387413
*/
388414
left.accept(this);
389-
buffer.append(" = String.fromCharCode (");
390-
if (isMixedOp) {
391-
buffer.append ("(");
392-
left.accept(this);
393-
buffer.append(").charCodeAt (0) ");
394-
buffer.append(op.charAt(0));
395-
}
396-
if (right instanceof InfixExpression) {
397-
buffer.append(" (");
415+
if ("char".equals(rightTypeBinding.getName())) {
416+
buffer.append(" = ");
398417
right.accept(this);
399-
buffer.append(')');
400-
if ("char".equals(rightTypeBinding.getName())) {
401-
buffer.append(".charCodeAt (0)");
402-
}
403418
} else {
419+
buffer.append(" = String.fromCharCode (");
420+
if (isMixedOp) {
421+
if (left instanceof SimpleName || left instanceof QualifiedName) {
422+
left.accept(this);
423+
} else {
424+
buffer.append("(");
425+
left.accept(this);
426+
buffer.append(")");
427+
}
428+
buffer.append(".charCodeAt (0) ");
429+
buffer.append(op.charAt(0));
430+
}
404431
buffer.append(' ');
405-
if ("char".equals(rightTypeBinding.getName())) {
406-
buffer.append(" (");
407-
right.accept(this);
408-
buffer.append(").charCodeAt (0)");
432+
if (right instanceof InfixExpression) {
433+
String constValue = checkConstantValue(right);
434+
if (constValue != null) {
435+
buffer.append(constValue);
436+
} else {
437+
buffer.append("(");
438+
right.accept(this);
439+
buffer.append(')');
440+
}
441+
if ("char".equals(rightTypeBinding.getName())) {
442+
buffer.append(".charCodeAt (0)");
443+
}
409444
} else {
410-
right.accept(this);
445+
if ("char".equals(rightTypeBinding.getName())) {
446+
buffer.append("(");
447+
right.accept(this);
448+
buffer.append(")");
449+
buffer.append(".charCodeAt (0)");
450+
} else {
451+
right.accept(this);
452+
}
411453
}
454+
buffer.append(')');
412455
}
413-
buffer.append(')');
414456
return false;
415457
}
416458
}
@@ -420,9 +462,46 @@ public boolean visit(Assignment node) {
420462
buffer.append(' ');
421463
ITypeBinding binding = right.resolveTypeBinding();
422464
if (binding != null && "char".equals(binding.getName())) {
423-
buffer.append('(');
424-
right.accept(this);
425-
buffer.append(").charCodeAt (0)");
465+
String typeBindingName = (typeBinding != null) ? typeBinding.getName() : null;
466+
if (right instanceof CharacterLiteral) {
467+
CharacterLiteral cl = (CharacterLiteral) right;
468+
if ("char".equals(typeBindingName) || typeBindingName.indexOf("String") != -1) {
469+
String constValue = checkConstantValue(right);
470+
buffer.append(constValue);
471+
} else {
472+
buffer.append(0 + cl.charValue());
473+
}
474+
} else {
475+
if (typeBindingName != null && ("char".equals(typeBindingName) || typeBindingName.indexOf("String") != -1)) {
476+
right.accept(this);
477+
} else {
478+
int idx1 = buffer.length();
479+
buffer.append('(');
480+
right.accept(this);
481+
buffer.append(")");
482+
483+
boolean appendingCode = true;
484+
int length = buffer.length();
485+
if (right instanceof MethodInvocation) {
486+
MethodInvocation m = (MethodInvocation) right;
487+
if ("charAt".equals(m.getName().toString())) {
488+
int idx2 = buffer.indexOf(".charAt ", idx1);
489+
if (idx2 != -1) {
490+
StringBuffer newMethodBuffer = new StringBuffer();
491+
newMethodBuffer.append(buffer.substring(idx1 + 1, idx2));
492+
newMethodBuffer.append(".charCodeAt ");
493+
newMethodBuffer.append(buffer.substring(idx2 + 8, length - 1));
494+
buffer.delete(idx1, length);
495+
buffer.append(newMethodBuffer.toString());
496+
appendingCode = false;
497+
}
498+
}
499+
}
500+
if (appendingCode) {
501+
buffer.append(".charCodeAt (0)");
502+
}
503+
}
504+
}
426505
} else {
427506
boxingNode(right);
428507
}
@@ -520,15 +599,16 @@ public boolean visit(ConditionalExpression node) {
520599
}
521600

522601
public boolean visit(ContinueStatement node) {
523-
buffer.append("continue ");
602+
buffer.append("continue");
524603
/*
525604
* TODO: verify that label is not supported!
526605
*/
527606
SimpleName label = node.getLabel();
528607
if (label != null) {
608+
buffer.append(' ');
529609
label.accept(this);
530610
}
531-
buffer.append(";");
611+
buffer.append(";\r\n");
532612
return false;
533613
}
534614

@@ -1076,9 +1156,10 @@ public boolean visit(QualifiedName node) {
10761156
}
10771157

10781158
public boolean visit(ReturnStatement node) {
1079-
buffer.append("return ");
1159+
buffer.append("return");
10801160
Expression expression = node.getExpression();
10811161
if (expression != null) {
1162+
buffer.append(' ');
10821163
expression.accept(this);
10831164
}
10841165
buffer.append(";\r\n");
@@ -1227,11 +1308,43 @@ public boolean visit(VariableDeclarationFragment node) {
12271308
if (typeBinding != null && "char".equals(typeBinding.getName())) {
12281309
ITypeBinding nameTypeBinding = name.resolveTypeBinding();
12291310
String nameType = nameTypeBinding.getName();
1230-
if (!"char".equals(nameType) && nameType.indexOf("String") == -1) {
1231-
buffer.append("(");
1232-
initializer.accept(this);
1233-
buffer.append(").charCodeAt (0)");
1311+
if (initializer instanceof CharacterLiteral) {
1312+
CharacterLiteral cl = (CharacterLiteral) initializer;
1313+
if ("char".equals(nameType)) {
1314+
String constValue = checkConstantValue(initializer);
1315+
buffer.append(constValue);
1316+
} else {
1317+
buffer.append(0 + cl.charValue());
1318+
}
12341319
return false;
1320+
} else {
1321+
if (nameType != null && !"char".equals(nameType) && nameType.indexOf("String") == -1) {
1322+
int idx1 = buffer.length();
1323+
buffer.append("(");
1324+
initializer.accept(this);
1325+
buffer.append(")");
1326+
boolean appendingCode = true;
1327+
int length = buffer.length();
1328+
if (initializer instanceof MethodInvocation) {
1329+
MethodInvocation m = (MethodInvocation) initializer;
1330+
if ("charAt".equals(m.getName().toString())) {
1331+
int idx2 = buffer.indexOf(".charAt ", idx1);
1332+
if (idx2 != -1) {
1333+
StringBuffer newMethodBuffer = new StringBuffer();
1334+
newMethodBuffer.append(buffer.substring(idx1 + 1, idx2));
1335+
newMethodBuffer.append(".charCodeAt ");
1336+
newMethodBuffer.append(buffer.substring(idx2 + 8, length - 1));
1337+
buffer.delete(idx1, length);
1338+
buffer.append(newMethodBuffer.toString());
1339+
appendingCode = false;
1340+
}
1341+
}
1342+
}
1343+
if (appendingCode) {
1344+
buffer.append(".charCodeAt (0)");
1345+
}
1346+
return false;
1347+
}
12351348
}
12361349
}
12371350
ITypeBinding nameTypeBinding = name.resolveTypeBinding();

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