Java Code Examples for com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#isSimple()
The following examples show how to use
com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#isSimple() .
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Example 1
| 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 2
| 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 3
| 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 4
| 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 5
| Source File: EqualityExpr.java From openjdk-jdk8u 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 6
| 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 7
| 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 8
| 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 9
| 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 10
| 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 11
| 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;
}
