Java Code Examples for org.springframework.expression.spel.CodeFlow#insertNumericUnboxOrPrimitiveTypeCoercion()
The following examples show how to use
org.springframework.expression.spel.CodeFlow#insertNumericUnboxOrPrimitiveTypeCoercion() .
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Example 1
| Source File: OpDivide.java From spring-analysis-note with MIT License | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IDIV);
break;
case 'J':
mv.visitInsn(LDIV);
break;
case 'F':
mv.visitInsn(FDIV);
break;
case 'D':
mv.visitInsn(DDIV);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 2
| Source File: OpMultiply.java From spring4-understanding with Apache License 2.0 | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IMUL);
break;
case 'J':
mv.visitInsn(LMUL);
break;
case 'F':
mv.visitInsn(FMUL);
break;
case 'D':
mv.visitInsn(DMUL);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 3
| Source File: OpModulus.java From spring4-understanding with Apache License 2.0 | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IREM);
break;
case 'J':
mv.visitInsn(LREM);
break;
case 'F':
mv.visitInsn(FREM);
break;
case 'D':
mv.visitInsn(DREM);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 4
| Source File: OpDivide.java From spring4-understanding with Apache License 2.0 | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IDIV);
break;
case 'J':
mv.visitInsn(LDIV);
break;
case 'F':
mv.visitInsn(FDIV);
break;
case 'D':
mv.visitInsn(DDIV);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 5
| Source File: OpMultiply.java From lams with GNU General Public License v2.0 | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IMUL);
break;
case 'J':
mv.visitInsn(LMUL);
break;
case 'F':
mv.visitInsn(FMUL);
break;
case 'D':
mv.visitInsn(DMUL);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 6
| Source File: OpModulus.java From lams with GNU General Public License v2.0 | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IREM);
break;
case 'J':
mv.visitInsn(LREM);
break;
case 'F':
mv.visitInsn(FREM);
break;
case 'D':
mv.visitInsn(DREM);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 7
| Source File: OpDivide.java From lams with GNU General Public License v2.0 | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IDIV);
break;
case 'J':
mv.visitInsn(LDIV);
break;
case 'F':
mv.visitInsn(FDIV);
break;
case 'D':
mv.visitInsn(DDIV);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 8
| Source File: OpMultiply.java From java-technology-stack with MIT License | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IMUL);
break;
case 'J':
mv.visitInsn(LMUL);
break;
case 'F':
mv.visitInsn(FMUL);
break;
case 'D':
mv.visitInsn(DMUL);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 9
| Source File: OpModulus.java From java-technology-stack with MIT License | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IREM);
break;
case 'J':
mv.visitInsn(LREM);
break;
case 'F':
mv.visitInsn(FREM);
break;
case 'D':
mv.visitInsn(DREM);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 10
| Source File: OpDivide.java From java-technology-stack with MIT License | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IDIV);
break;
case 'J':
mv.visitInsn(LDIV);
break;
case 'F':
mv.visitInsn(FDIV);
break;
case 'D':
mv.visitInsn(DDIV);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 11
| Source File: OpMultiply.java From spring-analysis-note with MIT License | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IMUL);
break;
case 'J':
mv.visitInsn(LMUL);
break;
case 'F':
mv.visitInsn(FMUL);
break;
case 'D':
mv.visitInsn(DMUL);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 12
| Source File: OpModulus.java From spring-analysis-note with MIT License | 5 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IREM);
break;
case 'J':
mv.visitInsn(LREM);
break;
case 'F':
mv.visitInsn(FREM);
break;
case 'D':
mv.visitInsn(DREM);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 13
| Source File: OpPlus.java From java-technology-stack with MIT License | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
if ("Ljava/lang/String".equals(this.exitTypeDescriptor)) {
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
mv.visitInsn(DUP);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
walk(mv, cf, getLeftOperand());
walk(mv, cf, getRightOperand());
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false);
}
else {
this.children[0].generateCode(mv, cf);
String leftDesc = this.children[0].exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
this.children[1].generateCode(mv, cf);
String rightDesc = this.children[1].exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IADD);
break;
case 'J':
mv.visitInsn(LADD);
break;
case 'F':
mv.visitInsn(FADD);
break;
case 'D':
mv.visitInsn(DADD);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 14
| Source File: OpMinus.java From lams with GNU General Public License v2.0 | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(ISUB);
break;
case 'J':
mv.visitInsn(LSUB);
break;
case 'F':
mv.visitInsn(FSUB);
break;
case 'D':
mv.visitInsn(DSUB);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
else {
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(INEG);
break;
case 'J':
mv.visitInsn(LNEG);
break;
case 'F':
mv.visitInsn(FNEG);
break;
case 'D':
mv.visitInsn(DNEG);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 15
| Source File: OpMinus.java From java-technology-stack with MIT License | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(ISUB);
break;
case 'J':
mv.visitInsn(LSUB);
break;
case 'F':
mv.visitInsn(FSUB);
break;
case 'D':
mv.visitInsn(DSUB);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
else {
switch (targetDesc) {
case 'I':
mv.visitInsn(INEG);
break;
case 'J':
mv.visitInsn(LNEG);
break;
case 'F':
mv.visitInsn(FNEG);
break;
case 'D':
mv.visitInsn(DNEG);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 16
| Source File: OpPlus.java From lams with GNU General Public License v2.0 | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
if (this.exitTypeDescriptor == "Ljava/lang/String") {
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
mv.visitInsn(DUP);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
walk(mv,cf,getLeftOperand());
walk(mv,cf,getRightOperand());
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false);
}
else {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IADD);
break;
case 'J':
mv.visitInsn(LADD);
break;
case 'F':
mv.visitInsn(FADD);
break;
case 'D':
mv.visitInsn(DADD);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 17
| Source File: OpMinus.java From spring4-understanding with Apache License 2.0 | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(ISUB);
break;
case 'J':
mv.visitInsn(LSUB);
break;
case 'F':
mv.visitInsn(FSUB);
break;
case 'D':
mv.visitInsn(DSUB);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
else {
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(INEG);
break;
case 'J':
mv.visitInsn(LNEG);
break;
case 'F':
mv.visitInsn(FNEG);
break;
case 'D':
mv.visitInsn(DNEG);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 18
| Source File: OpPlus.java From spring-analysis-note with MIT License | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
if ("Ljava/lang/String".equals(this.exitTypeDescriptor)) {
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
mv.visitInsn(DUP);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
walk(mv, cf, getLeftOperand());
walk(mv, cf, getRightOperand());
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false);
}
else {
this.children[0].generateCode(mv, cf);
String leftDesc = this.children[0].exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
this.children[1].generateCode(mv, cf);
String rightDesc = this.children[1].exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(IADD);
break;
case 'J':
mv.visitInsn(LADD);
break;
case 'F':
mv.visitInsn(FADD);
break;
case 'D':
mv.visitInsn(DADD);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 19
| Source File: OpPlus.java From spring4-understanding with Apache License 2.0 | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
if (this.exitTypeDescriptor == "Ljava/lang/String") {
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
mv.visitInsn(DUP);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
walk(mv,cf,getLeftOperand());
walk(mv,cf,getRightOperand());
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false);
}
else {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, this.exitTypeDescriptor.charAt(0));
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, this.exitTypeDescriptor.charAt(0));
switch (this.exitTypeDescriptor.charAt(0)) {
case 'I':
mv.visitInsn(IADD);
break;
case 'J':
mv.visitInsn(LADD);
break;
case 'F':
mv.visitInsn(FADD);
break;
case 'D':
mv.visitInsn(DADD);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
Example 20
| Source File: OpMinus.java From spring-analysis-note with MIT License | 4 votes |
|
@Override
public void generateCode(MethodVisitor mv, CodeFlow cf) {
getLeftOperand().generateCode(mv, cf);
String leftDesc = getLeftOperand().exitTypeDescriptor;
String exitDesc = this.exitTypeDescriptor;
Assert.state(exitDesc != null, "No exit type descriptor");
char targetDesc = exitDesc.charAt(0);
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, leftDesc, targetDesc);
if (this.children.length > 1) {
cf.enterCompilationScope();
getRightOperand().generateCode(mv, cf);
String rightDesc = getRightOperand().exitTypeDescriptor;
cf.exitCompilationScope();
CodeFlow.insertNumericUnboxOrPrimitiveTypeCoercion(mv, rightDesc, targetDesc);
switch (targetDesc) {
case 'I':
mv.visitInsn(ISUB);
break;
case 'J':
mv.visitInsn(LSUB);
break;
case 'F':
mv.visitInsn(FSUB);
break;
case 'D':
mv.visitInsn(DSUB);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
else {
switch (targetDesc) {
case 'I':
mv.visitInsn(INEG);
break;
case 'J':
mv.visitInsn(LNEG);
break;
case 'F':
mv.visitInsn(FNEG);
break;
case 'D':
mv.visitInsn(DNEG);
break;
default:
throw new IllegalStateException(
"Unrecognized exit type descriptor: '" + this.exitTypeDescriptor + "'");
}
}
cf.pushDescriptor(this.exitTypeDescriptor);
}
