com.sun.org.apache.xalan.internal.xsltc.compiler.util.NumberType Java Examples
The following examples show how to use
com.sun.org.apache.xalan.internal.xsltc.compiler.util.NumberType.
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
| 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 #2
| 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 #3
| 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 #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 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 #6
| 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 #7
| 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 #8
| 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 #9
| 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 #10
| 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 #11
| 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 #12
| Source File: EqualityExpr.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
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 jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #15
| Source File: EqualityExpr.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
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: Predicate.java From jdk1.8-source-analysis 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 #18
| Source File: EqualityExpr.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #19
| Source File: Predicate.java From hottub 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 #20
| Source File: EqualityExpr.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #21
| Source File: EqualityExpr.java From hottub with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #22
| 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 #23
| Source File: EqualityExpr.java From JDKSourceCode1.8 with MIT License | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #24
| 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 #25
| Source File: Predicate.java From TencentKona-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 #26
| Source File: EqualityExpr.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #27
| Source File: Predicate.java From openjdk-jdk8u-backup 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 #28
| Source File: EqualityExpr.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #29
| Source File: EqualityExpr.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
/**
* Typing rules: see XSLT Reference by M. Kay page 345.
*/
public Type typeCheck(SymbolTable stable) throws TypeCheckError {
final Type tleft = _left.typeCheck(stable);
final Type tright = _right.typeCheck(stable);
if (tleft.isSimple() && tright.isSimple()) {
if (tleft != tright) {
if (tleft instanceof BooleanType) {
_right = new CastExpr(_right, Type.Boolean);
}
else if (tright instanceof BooleanType) {
_left = new CastExpr(_left, Type.Boolean);
}
else if (tleft instanceof NumberType ||
tright instanceof NumberType) {
_left = new CastExpr(_left, Type.Real);
_right = new CastExpr(_right, Type.Real);
}
else { // both compared as strings
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
}
}
else if (tleft instanceof ReferenceType) {
_right = new CastExpr(_right, Type.Reference);
}
else if (tright instanceof ReferenceType) {
_left = new CastExpr(_left, Type.Reference);
}
// the following 2 cases optimize @attr|.|.. = 'string'
else if (tleft instanceof NodeType && tright == Type.String) {
_left = new CastExpr(_left, Type.String);
}
else if (tleft == Type.String && tright instanceof NodeType) {
_right = new CastExpr(_right, Type.String);
}
// optimize node/node
else if (tleft instanceof NodeType && tright instanceof NodeType) {
_left = new CastExpr(_left, Type.String);
_right = new CastExpr(_right, Type.String);
}
else if (tleft instanceof NodeType && tright instanceof NodeSetType) {
// compare(Node, NodeSet) will be invoked
}
else if (tleft instanceof NodeSetType && tright instanceof NodeType) {
swapArguments(); // for compare(Node, NodeSet)
}
else {
// At least one argument is of type node, node-set or result-tree
// Promote an expression of type node to node-set
if (tleft instanceof NodeType) {
_left = new CastExpr(_left, Type.NodeSet);
}
if (tright instanceof NodeType) {
_right = new CastExpr(_right, Type.NodeSet);
}
// If one arg is a node-set then make it the left one
if (tleft.isSimple() ||
tleft instanceof ResultTreeType &&
tright instanceof NodeSetType) {
swapArguments();
}
// Promote integers to doubles to have fewer compares
if (_right.getType() instanceof IntType) {
_right = new CastExpr(_right, Type.Real);
}
}
return _type = Type.Boolean;
}
Example #30
| Source File: Predicate.java From openjdk-jdk8u 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;
}
}
