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java: refactor DynamicCodeGen.java and Constants.java. Thanks frsyuki for fixing a bug in DynamicCodeGen.java

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This commit is contained in:
Muga Nishizawa 2010-11-04 02:00:34 +09:00
parent e4f515166a
commit cacae0fb7d
2 changed files with 50 additions and 39 deletions
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12
java/src/main/java/org/msgpack/util/codegen/Constants.java
View File

@ -78,7 +78,7 @@ public interface Constants {
String STATEMENT_TMPL_UNPACKERMETHODBODY_01 = "%s _$$_t = new %s(); ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_02 = "int _$$_L = $1.unpackArray(); ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_02 = "int _$$_len = $1.unpackArray(); ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_03 = "_$$_t.%s = %s(%s)_$$_templates[%d].unpack($1)%s; ";
@ -88,15 +88,19 @@ public interface Constants {
String STATEMENT_TMPL_UNPACKERMETHODBODY_06 = "return %s.class.getEnumConstants()[i]; ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_07 = "if(_$$_L <= %d) { throw new org.msgpack.MessageTypeException(); } ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_07 = "if (_$$_len <= %d) { throw new org.msgpack.MessageTypeException(\"optional error\"); } ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_08 = "if(_$$_L > %d && !$1.tryUnpackNull()) ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_08 = "if (_$$_len > %d && !$1.tryUnpackNull()) { %s } ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_09 = "for(int _$$_n = %d; _$$_n < _$$_L; _$$_n++) { $1.unpackObject(); } ";
String STATEMENT_TMPL_UNPACKERMETHODBODY_09 = "for (int _$$_i = %d; _$$_i < _$$_len; _$$_i++) { $1.unpackObject(); } ";
String STATEMENT_TMPL_CONVERTMETHODBODY_01 = "%s _$$_ary = $1.asArray(); ";
String STATEMENT_TMPL_CONVERTMETHODBODY_02 = "_$$_t.%s = %s(%s)_$$_templates[%d].convert(_$$_ary[%d])%s; ";
String STATEMENT_TMPL_CONVERTMETHODBODY_03 = "int i = _$$_ary[0].asInt(); ";
String STATEMENT_TMPL_CONVERTMETHODBODY_04 = "int _$$_len = _$$_ary.length; ";
String STATEMENT_TMPL_CONVERTMETHODBODY_05 = "if (_$$_len > %d && !_$$_ary[%d].isNil()) { %s }";
}

77
java/src/main/java/org/msgpack/util/codegen/DynamicCodeGen.java
View File

@ -397,38 +397,23 @@ class DynamicCodeGen extends DynamicCodeGenBase implements Constants {
// int _$$_L = $1.unpackArray();
Object[] args1 = new Object[0];
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_02, args1));
insertCodeOfUnpackMethodCalls(sb, fields);
insertCodeOfUnpackMethodCalls(sb, fields, getTemplates(type));
// return _$$_t;
Object[] args2 = new Object[0];
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_04, args2));
sb.append(CHAR_NAME_RIGHT_CURLY_BRACKET);
}
private void insertCodeOfUnpackMethodCalls(StringBuilder sb, Field[] fields) {
private void insertCodeOfUnpackMethodCalls(StringBuilder sb, Field[] fields,
Template[] tmpls) {
for (int i = 0; i < fields.length; ++i) {
insertCodeOfUnpackMethodCall(sb, fields[i], i);
insertCodeOfUnpackMethodCall(sb, fields[i], i, tmpls[i]);
}
insertCodeOfUnpackTrails(sb, fields.length);
}
private void insertCodeOfUnpackMethodCall(StringBuilder sb, Field field,
int i) {
boolean isOptional = isAnnotated(field, MessagePackOptional.class);
if(isOptional) {
// if(_$$_L > i && !$1.tryUnpackNull()) {
Object[] args0 = new Object[] { i };
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_08, args0));
sb.append(CHAR_NAME_LEFT_CURLY_BRACKET);
} else {
// if(_$$_L <= i) {
// throw new MessageTypeException();
// }
Object[] args0 = new Object[] { i };
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_07, args0));
}
int i, Template tmpl) {
// target.fi = ((Integer)_$$_tmpls[i].unpack(_$$_pk)).intValue();
Class<?> returnType = field.getType();
boolean isPrim = returnType.isPrimitive();
@ -440,19 +425,22 @@ class DynamicCodeGen extends DynamicCodeGenBase implements Constants {
i,
isPrim ? ")." + getPrimTypeValueMethodName(returnType) + "()"
: "" };
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_03, args));
if(isOptional) {
// }
sb.append(CHAR_NAME_RIGHT_CURLY_BRACKET);
String callExpr = String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_03, args);
if (tmpl instanceof OptionalTemplate) {
Object[] args0 = new Object[] { i, callExpr };
// if (_$$_len > i && !unpacker.tryUnpackNull()) { ... }
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_08, args0));
} else {
// if (_$$_len <= i) { throw new MessageTypeException(); }
Object[] args0 = new Object[] { i };
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_07, args0));
sb.append(callExpr);
}
}
private void insertCodeOfUnpackTrails(StringBuilder sb, int length) {
// for(int _$$_n = length; _$$_n < _$$_L; _$$_n++) {
// $1.unpackObject();
// }
Object[] args0 = new Object[] { length };
private void insertCodeOfUnpackTrails(StringBuilder sb, int len) {
// for (int _$$_i = len; _$$_i < _$$_len; _$$_i++) { $1.unpackObject(); }
Object[] args0 = new Object[] { len };
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_09, args0));
}
@ -519,20 +507,25 @@ class DynamicCodeGen extends DynamicCodeGenBase implements Constants {
// MessagePackObject[] _$$_ary = $1.asArray();
Object[] args1 = new Object[] { classToString(MessagePackObject[].class) };
sb.append(String.format(STATEMENT_TMPL_CONVERTMETHODBODY_01, args1));
insertCodeOfConvertMethodCalls(sb, fields);
sb.append(STATEMENT_TMPL_CONVERTMETHODBODY_04);
Template[] tmpls = getTemplates(type);
insertCodeOfConvertMethodCalls(sb, fields, tmpls);
// return _$$_t;
Object[] args2 = new Object[0];
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_04, args2));
sb.append(CHAR_NAME_RIGHT_CURLY_BRACKET);
}
private void insertCodeOfConvertMethodCalls(StringBuilder sb, Field[] fields) {
private void insertCodeOfConvertMethodCalls(StringBuilder sb, Field[] fields,
Template[] tmpls) {
for (int i = 0; i < fields.length; ++i) {
insertCodeOfConvMethodCall(sb, fields[i], i);
insertCodeOfConvMethodCall(sb, fields[i], i, tmpls[i]);
}
insertCodeOfConvertTrails(sb, fields.length);
}
private void insertCodeOfConvMethodCall(StringBuilder sb, Field field, int i) {
private void insertCodeOfConvMethodCall(StringBuilder sb, Field field,
int i, Template tmpl) {
// target.fi = ((Object)_$$_tmpls[i].convert(_$$_ary[i])).intValue();
Class<?> returnType = field.getType();
boolean isPrim = returnType.isPrimitive();
@ -545,7 +538,21 @@ class DynamicCodeGen extends DynamicCodeGenBase implements Constants {
i,
isPrim ? ")." + getPrimTypeValueMethodName(returnType) + "()"
: "" };
sb.append(String.format(STATEMENT_TMPL_CONVERTMETHODBODY_02, args));
String callExpr = String.format(STATEMENT_TMPL_CONVERTMETHODBODY_02, args);
if (tmpl instanceof OptionalTemplate) {
Object[] args0 = new Object[] { i, i, callExpr };
// if (_$$_len > i && !_$$_ary[i].isNull()) { ... }
sb.append(String.format(STATEMENT_TMPL_CONVERTMETHODBODY_05, args0));
} else {
// if (_$$_len <= i) { throw new MessageTypeException(); }
Object[] args0 = new Object[] { i };
sb.append(String.format(STATEMENT_TMPL_UNPACKERMETHODBODY_07, args0));
sb.append(callExpr);
}
}
private void insertCodeOfConvertTrails(StringBuilder sb, int len) {
// TODO
}
private void insertOrdinalEnumConvertMethodBody(StringBuilder sb,