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## org.springframework.beans.factory.parsing
Class ParseState

    java.lang.Object
      org.springframework.beans.factory.parsing.ParseState

    public final class ParseState

extends java.lang.Object

Simple `Stack`-based structure for tracking the logical position during a parsing process. `entries` are added to the stack at each point during the parse phase in a reader-specific manner.

Calling `toString()` will render a tree-style view of the current logical position in the parse phase. This representation is intended for use in error messages.

Since:
  2.0
Author:
  Rob Harrop

Nested Class Summary
`static interface` | `ParseState.Entry` Marker interface for entries into the `ParseState`.

Constructor Summary
`ParseState()` Create a new `ParseState` with an empty `Stack`.

Method Summary
`ParseState.Entry` | `peek()` Return the `ParseState.Entry` currently at the top of the `Stack` or `null` if the `Stack` is empty.
`void` | `pop()` Remove an `ParseState.Entry` from the `Stack`.
`void` | `push(ParseState.Entry entry)` Add a new `ParseState.Entry` to the `Stack`.
`ParseState` | `snapshot()` Create a new instance of `ParseState` which is an independent snapshot of this instance.
`java.lang.String` | `toString()` Returns a tree-style representation of the current `ParseState`.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### ParseState

    public ParseState()

  Create a new `ParseState` with an empty `Stack`.

Method Detail

### push

    public void push(ParseState.Entry entry)

  Add a new `ParseState.Entry` to the `Stack`.

### pop

    public void pop()

  Remove an `ParseState.Entry` from the `Stack`.

### peek

    public ParseState.Entry peek()

  Return the `ParseState.Entry` currently at the top of the `Stack` or `null` if the `Stack` is empty.

### snapshot

    public ParseState snapshot()

  Create a new instance of `ParseState` which is an independent snapshot of this instance.

### toString

    public java.lang.String toString()

  Returns a tree-style representation of the current `ParseState`.

  Overrides:
    `toString` in class `java.lang.Object`

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