com.sun.org.apache.xalan.internal.xsltc.runtime.Operators Java Examples
The following examples show how to use
com.sun.org.apache.xalan.internal.xsltc.runtime.Operators.
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Example #1
| Source File: EqualityExpr.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #2
| Source File: EqualityExpr.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #3
| Source File: EqualityExpr.java From JDKSourceCode1.8 with MIT License | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #4
| Source File: EqualityExpr.java From hottub with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #5
| Source File: EqualityExpr.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #6
| Source File: EqualityExpr.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #7
| Source File: EqualityExpr.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #8
| Source File: EqualityExpr.java From Bytecoder with Apache License 2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #9
| Source File: EqualityExpr.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #10
| Source File: EqualityExpr.java From jdk1.8-source-analysis with Apache License 2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #11
| Source File: EqualityExpr.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
final Type tleft = _left.getType();
final InstructionList il = methodGen.getInstructionList();
if (tleft instanceof BooleanType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
else if (tleft instanceof NumberType) {
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
if (tleft instanceof RealType) {
il.append(DCMPG);
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IFNE(null) :
(BranchInstruction)new IFEQ(null)));
}
else {
_falseList.add(il.append(_op == Operators.EQ ?
(BranchInstruction)new IF_ICMPNE(null) :
(BranchInstruction)new IF_ICMPEQ(null)));
}
}
else {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
}
Example #12
| Source File: EqualityExpr.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public boolean getOp() {
return (_op != Operators.NE);
}
Example #13
| Source File: Predicate.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Type check a predicate expression. If the type of the expression is
* number convert it to boolean by adding a comparison with position().
* Note that if the expression is a parameter, we cannot distinguish
* at compile time if its type is number or not. Hence, expressions of
* reference type are always converted to booleans.
*
* This method may be called twice, before and after calling
* <code>dontOptimize()</code>. If so, the second time it should honor
* the new value of <code>_canOptimize</code>.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
Type texp = _exp.typeCheck(stable);
// We need explicit type information for reference types - no good!
if (texp instanceof ReferenceType) {
_exp = new CastExpr(_exp, texp = Type.Real);
}
// A result tree fragment should not be cast directly to a number type,
// but rather to a boolean value, and then to a numer (0 or 1).
// Ref. section 11.2 of the XSLT 1.0 spec
if (texp instanceof ResultTreeType) {
_exp = new CastExpr(_exp, Type.Boolean);
_exp = new CastExpr(_exp, Type.Real);
texp = _exp.typeCheck(stable);
}
// Numerical types will be converted to a position filter
if (texp instanceof NumberType) {
// Cast any numerical types to an integer
if (texp instanceof IntType == false) {
_exp = new CastExpr(_exp, Type.Int);
}
if (_canOptimize) {
// Nth position optimization. Expression must not depend on context
_nthPositionFilter =
!_exp.hasLastCall() && !_exp.hasPositionCall();
// _nthDescendant optimization - only if _nthPositionFilter is on
if (_nthPositionFilter) {
SyntaxTreeNode parent = getParent();
_nthDescendant = (parent instanceof Step) &&
(parent.getParent() instanceof AbsoluteLocationPath);
return _type = Type.NodeSet;
}
}
// Reset optimization flags
_nthPositionFilter = _nthDescendant = false;
// Otherwise, expand [e] to [position() = e]
final QName position =
getParser().getQNameIgnoreDefaultNs("position");
final PositionCall positionCall =
new PositionCall(position);
positionCall.setParser(getParser());
positionCall.setParent(this);
_exp = new EqualityExpr(Operators.EQ, positionCall,
_exp);
if (_exp.typeCheck(stable) != Type.Boolean) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
else {
// All other types will be handled as boolean values
if (texp instanceof BooleanType == false) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
}
Example #14
| Source File: EqualityExpr.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
Example #15
| Source File: RelationalExpr.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
if (hasNodeSetArgs() || hasReferenceArgs()) {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
else {
BranchInstruction bi = null;
final InstructionList il = methodGen.getInstructionList();
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
// TODO: optimize if one of the args is 0
boolean tozero = false;
Type tleft = _left.getType();
if (tleft instanceof RealType) {
il.append(tleft.CMP(_op == Operators.LT || _op == Operators.LE));
tleft = Type.Int;
tozero = true;
}
switch (_op) {
case Operators.LT:
bi = tleft.GE(tozero);
break;
case Operators.GT:
bi = tleft.LE(tozero);
break;
case Operators.LE:
bi = tleft.GT(tozero);
break;
case Operators.GE:
bi = tleft.LT(tozero);
break;
default:
ErrorMsg msg = new ErrorMsg(ErrorMsg.ILLEGAL_RELAT_OP_ERR,this);
getParser().reportError(Constants.FATAL, msg);
}
_falseList.add(il.append(bi)); // must be backpatched
}
}
Example #16
| Source File: Predicate.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Type check a predicate expression. If the type of the expression is
* number convert it to boolean by adding a comparison with position().
* Note that if the expression is a parameter, we cannot distinguish
* at compile time if its type is number or not. Hence, expressions of
* reference type are always converted to booleans.
*
* This method may be called twice, before and after calling
* <code>dontOptimize()</code>. If so, the second time it should honor
* the new value of <code>_canOptimize</code>.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
Type texp = _exp.typeCheck(stable);
// We need explicit type information for reference types - no good!
if (texp instanceof ReferenceType) {
_exp = new CastExpr(_exp, texp = Type.Real);
}
// A result tree fragment should not be cast directly to a number type,
// but rather to a boolean value, and then to a numer (0 or 1).
// Ref. section 11.2 of the XSLT 1.0 spec
if (texp instanceof ResultTreeType) {
_exp = new CastExpr(_exp, Type.Boolean);
_exp = new CastExpr(_exp, Type.Real);
texp = _exp.typeCheck(stable);
}
// Numerical types will be converted to a position filter
if (texp instanceof NumberType) {
// Cast any numerical types to an integer
if (texp instanceof IntType == false) {
_exp = new CastExpr(_exp, Type.Int);
}
if (_canOptimize) {
// Nth position optimization. Expression must not depend on context
_nthPositionFilter =
!_exp.hasLastCall() && !_exp.hasPositionCall();
// _nthDescendant optimization - only if _nthPositionFilter is on
if (_nthPositionFilter) {
SyntaxTreeNode parent = getParent();
_nthDescendant = (parent instanceof Step) &&
(parent.getParent() instanceof AbsoluteLocationPath);
return _type = Type.NodeSet;
}
}
// Reset optimization flags
_nthPositionFilter = _nthDescendant = false;
// Otherwise, expand [e] to [position() = e]
final QName position =
getParser().getQNameIgnoreDefaultNs("position");
final PositionCall positionCall =
new PositionCall(position);
positionCall.setParser(getParser());
positionCall.setParent(this);
_exp = new EqualityExpr(Operators.EQ, positionCall,
_exp);
if (_exp.typeCheck(stable) != Type.Boolean) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
else {
// All other types will be handled as boolean values
if (texp instanceof BooleanType == false) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
}
Example #17
| Source File: EqualityExpr.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
public boolean getOp() {
return (_op != Operators.NE);
}
Example #18
| Source File: RelationalExpr.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
Example #19
| Source File: EqualityExpr.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
Example #20
| Source File: EqualityExpr.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
Example #21
| Source File: Predicate.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Type check a predicate expression. If the type of the expression is
* number convert it to boolean by adding a comparison with position().
* Note that if the expression is a parameter, we cannot distinguish
* at compile time if its type is number or not. Hence, expressions of
* reference type are always converted to booleans.
*
* This method may be called twice, before and after calling
* <code>dontOptimize()</code>. If so, the second time it should honor
* the new value of <code>_canOptimize</code>.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
Type texp = _exp.typeCheck(stable);
// We need explicit type information for reference types - no good!
if (texp instanceof ReferenceType) {
_exp = new CastExpr(_exp, texp = Type.Real);
}
// A result tree fragment should not be cast directly to a number type,
// but rather to a boolean value, and then to a numer (0 or 1).
// Ref. section 11.2 of the XSLT 1.0 spec
if (texp instanceof ResultTreeType) {
_exp = new CastExpr(_exp, Type.Boolean);
_exp = new CastExpr(_exp, Type.Real);
texp = _exp.typeCheck(stable);
}
// Numerical types will be converted to a position filter
if (texp instanceof NumberType) {
// Cast any numerical types to an integer
if (texp instanceof IntType == false) {
_exp = new CastExpr(_exp, Type.Int);
}
if (_canOptimize) {
// Nth position optimization. Expression must not depend on context
_nthPositionFilter =
!_exp.hasLastCall() && !_exp.hasPositionCall();
// _nthDescendant optimization - only if _nthPositionFilter is on
if (_nthPositionFilter) {
SyntaxTreeNode parent = getParent();
_nthDescendant = (parent instanceof Step) &&
(parent.getParent() instanceof AbsoluteLocationPath);
return _type = Type.NodeSet;
}
}
// Reset optimization flags
_nthPositionFilter = _nthDescendant = false;
// Otherwise, expand [e] to [position() = e]
final QName position =
getParser().getQNameIgnoreDefaultNs("position");
final PositionCall positionCall =
new PositionCall(position);
positionCall.setParser(getParser());
positionCall.setParent(this);
_exp = new EqualityExpr(Operators.EQ, positionCall,
_exp);
if (_exp.typeCheck(stable) != Type.Boolean) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
else {
// All other types will be handled as boolean values
if (texp instanceof BooleanType == false) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
}
Example #22
| Source File: EqualityExpr.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public boolean getOp() {
return (_op != Operators.NE);
}
Example #23
| Source File: EqualityExpr.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public boolean getOp() {
return (_op != Operators.NE);
}
Example #24
| Source File: RelationalExpr.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
Example #25
| Source File: RelationalExpr.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public void translateDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen) {
if (hasNodeSetArgs() || hasReferenceArgs()) {
translate(classGen, methodGen);
desynthesize(classGen, methodGen);
}
else {
BranchInstruction bi = null;
final InstructionList il = methodGen.getInstructionList();
_left.translate(classGen, methodGen);
_right.translate(classGen, methodGen);
// TODO: optimize if one of the args is 0
boolean tozero = false;
Type tleft = _left.getType();
if (tleft instanceof RealType) {
il.append(tleft.CMP(_op == Operators.LT || _op == Operators.LE));
tleft = Type.Int;
tozero = true;
}
switch (_op) {
case Operators.LT:
bi = tleft.GE(tozero);
break;
case Operators.GT:
bi = tleft.LE(tozero);
break;
case Operators.LE:
bi = tleft.GT(tozero);
break;
case Operators.GE:
bi = tleft.LT(tozero);
break;
default:
ErrorMsg msg = new ErrorMsg(ErrorMsg.ILLEGAL_RELAT_OP_ERR,this);
getParser().reportError(Constants.FATAL, msg);
}
_falseList.add(il.append(bi)); // must be backpatched
}
}
Example #26
| Source File: XPathParser.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* This method is similar to findNodeType(int, Object) except that it
* creates a StepPattern instead of just returning a node type. It also
* differs in the way it handles "{uri}:*" and "{uri}:@*". The last two
* patterns are expanded as "*[namespace-uri() = 'uri']" and
* "@*[namespace-uri() = 'uri']", respectively. This expansion considerably
* simplifies the grouping of patterns in the Mode class. For this expansion
* to be correct, the priority of the pattern/template must be set to -0.25
* (when no other predicates are present).
*/
public StepPattern createStepPattern(int axis, Object test, List<Predicate> predicates) {
int nodeType;
if (test == null) { // "*"
nodeType = (axis == Axis.ATTRIBUTE) ? NodeTest.ATTRIBUTE
: (axis == Axis.NAMESPACE) ? -1 : NodeTest.ELEMENT;
return new StepPattern(axis, nodeType, predicates);
} else if (test instanceof Integer) {
nodeType = ((Integer) test);
return new StepPattern(axis, nodeType, predicates);
} else {
QName name = (QName) test;
boolean setPriority = false;
if (axis == Axis.NAMESPACE) {
nodeType = (name.toString().equals("*")) ? -1
: _xsltc.registerNamespacePrefix(name);;
} else {
final String uri = name.getNamespace();
final String local = name.getLocalPart();
final QName namespace_uri
= _parser.getQNameIgnoreDefaultNs("namespace-uri");
// Expand {uri}:* to *[namespace-uri() = 'uri'] - same for @*
if (uri != null && (local.equals("*") || local.equals("@*"))) {
if (predicates == null) {
predicates = new ArrayList<>(2);
}
// Priority is set by hand if no other predicates exist
setPriority = (predicates.size() == 0);
predicates.add(
new Predicate(
new EqualityExpr(Operators.EQ,
new NamespaceUriCall(namespace_uri),
new LiteralExpr(uri))));
}
if (local.equals("*")) {
nodeType = (axis == Axis.ATTRIBUTE) ? NodeTest.ATTRIBUTE
: NodeTest.ELEMENT;
} else if (local.equals("@*")) {
nodeType = NodeTest.ATTRIBUTE;
} else {
nodeType = (axis == Axis.ATTRIBUTE) ? _xsltc.registerAttribute(name)
: _xsltc.registerElement(name);
}
}
final StepPattern result = new StepPattern(axis, nodeType, predicates);
// Set priority for case prefix:* and prefix:@* (no predicates)
if (setPriority) {
result.setPriority(-0.25);
}
return result;
}
}
Example #27
| Source File: Predicate.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Type check a predicate expression. If the type of the expression is
* number convert it to boolean by adding a comparison with position().
* Note that if the expression is a parameter, we cannot distinguish
* at compile time if its type is number or not. Hence, expressions of
* reference type are always converted to booleans.
*
* This method may be called twice, before and after calling
* <code>dontOptimize()</code>. If so, the second time it should honor
* the new value of <code>_canOptimize</code>.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
Type texp = _exp.typeCheck(stable);
// We need explicit type information for reference types - no good!
if (texp instanceof ReferenceType) {
_exp = new CastExpr(_exp, texp = Type.Real);
}
// A result tree fragment should not be cast directly to a number type,
// but rather to a boolean value, and then to a numer (0 or 1).
// Ref. section 11.2 of the XSLT 1.0 spec
if (texp instanceof ResultTreeType) {
_exp = new CastExpr(_exp, Type.Boolean);
_exp = new CastExpr(_exp, Type.Real);
texp = _exp.typeCheck(stable);
}
// Numerical types will be converted to a position filter
if (texp instanceof NumberType) {
// Cast any numerical types to an integer
if (texp instanceof IntType == false) {
_exp = new CastExpr(_exp, Type.Int);
}
if (_canOptimize) {
// Nth position optimization. Expression must not depend on context
_nthPositionFilter =
!_exp.hasLastCall() && !_exp.hasPositionCall();
// _nthDescendant optimization - only if _nthPositionFilter is on
if (_nthPositionFilter) {
SyntaxTreeNode parent = getParent();
_nthDescendant = (parent instanceof Step) &&
(parent.getParent() instanceof AbsoluteLocationPath);
return _type = Type.NodeSet;
}
}
// Reset optimization flags
_nthPositionFilter = _nthDescendant = false;
// Otherwise, expand [e] to [position() = e]
final QName position =
getParser().getQNameIgnoreDefaultNs("position");
final PositionCall positionCall =
new PositionCall(position);
positionCall.setParser(getParser());
positionCall.setParent(this);
_exp = new EqualityExpr(Operators.EQ, positionCall,
_exp);
if (_exp.typeCheck(stable) != Type.Boolean) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
else {
// All other types will be handled as boolean values
if (texp instanceof BooleanType == false) {
_exp = new CastExpr(_exp, Type.Boolean);
}
return _type = Type.Boolean;
}
}
Example #28
| Source File: EqualityExpr.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public boolean getOp() {
return (_op != Operators.NE);
}
Example #29
| Source File: EqualityExpr.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
Example #30
| Source File: RelationalExpr.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public String toString() {
return Operators.getOpNames(_op) + '(' + _left + ", " + _right + ')';
}
