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java.lang.Objectpolyglot.ext.jl.ast.Node_c
polyglot.ext.jl.ast.Term_c
polyglot.ext.jl.ast.Expr_c
polyglot.ext.jl.ast.Binary_c
public class Binary_c
A Binary
represents a Java binary expression, an
immutable pair of expressions combined with an operator.
Nested Class Summary |
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Nested classes/interfaces inherited from interface polyglot.ast.Binary |
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Binary.Operator |
Field Summary | |
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protected Expr |
left
|
protected Binary.Operator |
op
|
protected Precedence |
precedence
|
protected Expr |
right
|
Fields inherited from class polyglot.ext.jl.ast.Expr_c |
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type |
Fields inherited from class polyglot.ext.jl.ast.Term_c |
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exceptions, reachable |
Fields inherited from class polyglot.ext.jl.ast.Node_c |
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del, ext, position |
Fields inherited from interface polyglot.ast.Binary |
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ADD, BIT_AND, BIT_OR, BIT_XOR, COND_AND, COND_OR, DIV, EQ, GE, GT, LE, LT, MOD, MUL, NE, SHL, SHR, SUB, USHR |
Constructor Summary | |
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Binary_c(Position pos,
Expr left,
Binary.Operator op,
Expr right)
|
Method Summary | |
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java.util.List |
acceptCFG(CFGBuilder v,
java.util.List succs)
Visit this term in evaluation order. |
Type |
childExpectedType(Expr child,
AscriptionVisitor av)
Get the expected type of a child expression of this . |
java.lang.Object |
constantValue()
Returns the constant value of the expression, if any. |
void |
dump(CodeWriter w)
Dump the AST node for debugging purposes. |
Term |
entry()
Return the first (sub)term performed when evaluating this term. |
boolean |
isConstant()
Return whether the expression evaluates to a constant. |
Expr |
left()
Get the left operand of the expression. |
Binary |
left(Expr left)
Set the left operand of the expression. |
Binary.Operator |
operator()
Get the operator of the expression. |
Binary |
operator(Binary.Operator op)
Set the operator of the expression. |
Precedence |
precedence()
Get the precedence of the expression. |
Binary |
precedence(Precedence precedence)
Set the precedence of the expression. |
void |
prettyPrint(CodeWriter w,
PrettyPrinter tr)
Write the expression to an output file. |
protected Binary_c |
reconstruct(Expr left,
Expr right)
Reconstruct the expression. |
Expr |
right()
Get the right operand of the expression. |
Binary |
right(Expr right)
Set the right operand of the expression. |
boolean |
throwsArithmeticException()
Get the throwsArithmeticException of the expression. |
java.util.List |
throwTypes(TypeSystem ts)
List of Types of exceptions that might get thrown. |
java.lang.String |
toString()
|
Node |
typeCheck(TypeChecker tc)
Type check the expression. |
Node |
visitChildren(NodeVisitor v)
Visit the children of the expression. |
Methods inherited from class polyglot.ext.jl.ast.Expr_c |
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booleanValue, buildTypes, byteValue, charValue, doubleValue, floatValue, intValue, longValue, printSubExpr, printSubExpr, shortValue, stringValue, type, type |
Methods inherited from class polyglot.ext.jl.ast.Term_c |
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exceptionCheck, exceptions, exceptions, listEntry, reachable, reachable |
Methods inherited from class polyglot.ext.jl.ast.Node_c |
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addDecls, addMembers, addMembersEnter, addMembersOverride, buildTypesEnter, buildTypesOverride, copy, del, del, disambiguate, disambiguateEnter, disambiguateOverride, enterScope, enterScope, exceptionCheckEnter, exceptionCheckOverride, ext, ext, ext, ext, init, node, position, position, print, printBlock, printSubStmt, translate, typeCheckEnter, typeCheckOverride, visit, visitChild, visitEdge, visitList |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface polyglot.ast.Expr |
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printSubExpr, printSubExpr, type |
Methods inherited from interface polyglot.ast.Node |
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del, del, ext, ext, ext, ext, position, position, visit, visitChild, visitEdge, visitList |
Methods inherited from interface polyglot.ast.JL |
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init, node |
Methods inherited from interface polyglot.ast.NodeOps |
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addDecls, addMembers, addMembersEnter, buildTypes, buildTypesEnter, disambiguate, disambiguateEnter, enterScope, enterScope, exceptionCheck, exceptionCheckEnter, translate, typeCheckEnter |
Methods inherited from interface polyglot.util.Copy |
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copy |
Methods inherited from interface polyglot.ast.Typed |
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type |
Methods inherited from interface polyglot.ast.Term |
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exceptions, exceptions, reachable, reachable |
Field Detail |
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protected Expr left
protected Binary.Operator op
protected Expr right
protected Precedence precedence
Constructor Detail |
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public Binary_c(Position pos, Expr left, Binary.Operator op, Expr right)
Method Detail |
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public Expr left()
left
in interface Binary
public Binary left(Expr left)
left
in interface Binary
public Binary.Operator operator()
operator
in interface Binary
public Binary operator(Binary.Operator op)
operator
in interface Binary
public Expr right()
right
in interface Binary
public Binary right(Expr right)
right
in interface Binary
public Precedence precedence()
precedence
in interface Expr
precedence
in class Expr_c
public Binary precedence(Precedence precedence)
Binary
precedence
in interface Binary
protected Binary_c reconstruct(Expr left, Expr right)
public Node visitChildren(NodeVisitor v)
visitChildren
in interface NodeOps
visitChildren
in class Node_c
v
- The visitor that will traverse/rewrite the AST.
this
.public boolean isConstant()
Expr
isConstant
in interface Expr
isConstant
in class Expr_c
public java.lang.Object constantValue()
Expr
constantValue
in interface Expr
constantValue
in class Expr_c
public Node typeCheck(TypeChecker tc) throws SemanticException
typeCheck
in interface NodeOps
typeCheck
in class Node_c
tc
- The type checking visitor.
SemanticException
public Type childExpectedType(Expr child, AscriptionVisitor av)
Node
this
.
The expected type is determined by the context in that the child occurs
(e.g., for x = e
, the expected type of e
is
the declared type of x
.
The expected type should impose the least constraints on the child's
type that are allowed by the parent node.
childExpectedType
in interface Node
childExpectedType
in class Node_c
child
- A child expression of this node.av
- An ascription visitor.
child
.public boolean throwsArithmeticException()
throwsArithmeticException
in interface Binary
public java.lang.String toString()
toString
in class Node_c
public void prettyPrint(CodeWriter w, PrettyPrinter tr)
prettyPrint
in interface NodeOps
prettyPrint
in class Node_c
w
- The code writer to which to write.tr
- The pretty printer. This is not a visitor.public void dump(CodeWriter w)
Node
dump
in interface Node
dump
in class Expr_c
public Term entry()
Term_c
entry
in interface Term
entry
in class Term_c
public java.util.List acceptCFG(CFGBuilder v, java.util.List succs)
Term_c
acceptCFG
in interface Term
acceptCFG
in class Term_c
public java.util.List throwTypes(TypeSystem ts)
NodeOps
throwTypes
in interface NodeOps
throwTypes
in class Node_c
|
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