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java.lang.ObjectJFlex.RegExp
public class RegExp
Stores a regular expression of rules section in a JFlex-specification. This base class has no content other than its type.
Constructor Summary | |
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RegExp(int type)
Create a new regular expression of the specified type. |
Method Summary | |
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boolean |
isCharClass(Macros macros)
Find out if this regexp is a char class or equivalent to one. |
java.lang.String |
print(java.lang.String tab)
Returns a String-representation of this regular expression with the specified indentation. |
int |
size(Macros macros)
The approximate number of NFA states this expression will need (only works correctly after macro expansion and without negation) |
java.lang.String |
toString()
Returns a String-representation of this regular expression |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public RegExp(int type)
type
- a value from the cup generated class sym.sym
Method Detail |
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public java.lang.String print(java.lang.String tab)
tab
- a String that should contain only space characters and
that is inserted in front of standard String-representation
pf this object.public java.lang.String toString()
toString
in class java.lang.Object
public boolean isCharClass(Macros macros)
macros
- for macro expansion
public int size(Macros macros)
macros
- macro table for expansion
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