Package iota
Class ILogicalNotOp
java.lang.Object
iota.IAST
iota.IStatement
iota.IExpression
iota.IUnaryExpression
iota.ILogicalNotOp
The AST node for a logical NOT (!) expression.
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Field Summary
Fields inherited from class iota.IUnaryExpression
operand, operator
Fields inherited from class iota.IExpression
isStatementExpression, type
Fields inherited from class iota.IAST
compilationUnit, line
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Constructor Summary
ConstructorsConstructorDescriptionILogicalNotOp
(int line, IExpression arg) Constructs an AST for a logical NOT expression. -
Method Summary
Modifier and TypeMethodDescriptionAnalyzes and returns an IExpression.void
Performs code generation for this AST.void
Performs short-circuit code generation for a boolean expression, given the code emitter, a target label, and whether we branch to that label on true or on false.Methods inherited from class iota.IUnaryExpression
toJSON
Methods inherited from class iota.IExpression
type
Methods inherited from class iota.IAST
line, preAnalyze
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Constructor Details
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ILogicalNotOp
Constructs an AST for a logical NOT expression.- Parameters:
line
- line in which the logical NOT expression occurs in the source file.arg
- the operand.
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Method Details
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analyze
Analyzes and returns an IExpression.- Specified by:
analyze
in classIExpression
- Parameters:
context
- context in which names are resolved.- Returns:
- the analyzed (and possibly rewritten) AST subtree.
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codegen
Performs code generation for this AST. -
codegen
Performs short-circuit code generation for a boolean expression, given the code emitter, a target label, and whether we branch to that label on true or on false.- Overrides:
codegen
in classIExpression
- Parameters:
output
- the code emitter.targetLabel
- the label to which we should branch.onTrue
- do we branch on true?
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