SemPred

org.antlr.v4.codegen.model

Class SemPred

java.lang.Object
- org.antlr.v4.codegen.model.OutputModelObject
- - org.antlr.v4.codegen.model.SrcOp
  - - org.antlr.v4.codegen.model.RuleElement
    - - org.antlr.v4.codegen.model.Action
      - org.antlr.v4.codegen.model.SemPred

```
public class SemPred
extends Action
```

Field Summary

Fields

Modifier and Type	Field and Description
`List<ActionChunk>`	`failChunks` The translated chunks of the user-specified terminal option `fail`, if it was used and the value is an action.
`String`	`msg` The user-specified terminal option `fail`, if it was used and the value is a string literal.
`String`	`predicate` The predicate string with `{` and `}?` stripped from the ends.

Fields inherited from class org.antlr.v4.codegen.model.Action
chunks

Fields inherited from class org.antlr.v4.codegen.model.RuleElement
stateNumber

Fields inherited from class org.antlr.v4.codegen.model.SrcOp
enclosingBlock, enclosingRuleRunction, uniqueID

Fields inherited from class org.antlr.v4.codegen.model.OutputModelObject
ast, factory

Constructor Summary

Constructors

Constructor and Description
`SemPred(OutputModelFactory factory, ActionAST ast)`

Method Summary
- Methods inherited from class org.antlr.v4.codegen.model.SrcOp
  getContextName, getOuterMostAltCodeBlock
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - msg
```
public String msg
```
    The user-specified terminal option fail, if it was used and the value is a string literal. For example:
    {pred}?<fail='message'>
  - predicate
```
public String predicate
```
    The predicate string with { and }? stripped from the ends.
  - failChunks
```
public List<ActionChunk> failChunks
```
    The translated chunks of the user-specified terminal option fail, if it was used and the value is an action. For example:
    {pred}?<fail={"Java literal"}>
- Constructor Detail
  - SemPred
```
public SemPred(OutputModelFactory factory,
               ActionAST ast)
```