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java.lang.Object com.singularsys.jep.configurableparser.matchers.RegExpTokenMatcher com.singularsys.jep.configurableparser.matchers.IdentifierTokenMatcher
public class IdentifierTokenMatcher
Matches identifiers: variables or function names.
Constructor Summary | |
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IdentifierTokenMatcher(java.util.regex.Pattern pattern)
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IdentifierTokenMatcher(java.lang.String regex)
Construct and identifier matcher. |
Method Summary | |
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static IdentifierTokenMatcher |
basicIndetifierMatcher()
Matches identifiers which start with a letter or underscore and are followed by 0 or more letters digits or underscores. |
Token |
buildToken(java.lang.String s)
Create the token, if the name matches a function name return a FunctionToken otherwise return an IdentifierToken. |
static IdentifierTokenMatcher |
dottedIndetifierMatcher()
Matches identifiers which start with a letter or underscore and are followed by 0 or more letters digits or underscores or . characters. |
void |
init(Jep j)
Initialize the matcher when the Jep instance is known. |
Methods inherited from class com.singularsys.jep.configurableparser.matchers.RegExpTokenMatcher |
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match |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public IdentifierTokenMatcher(java.util.regex.Pattern pattern)
public IdentifierTokenMatcher(java.lang.String regex)
regex
- a regular expression specifying the allowed identifier names.Pattern
Method Detail |
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public Token buildToken(java.lang.String s)
buildToken
in interface TokenBuilder
buildToken
in class RegExpTokenMatcher
s
- String representing the completed matched token
public static IdentifierTokenMatcher basicIndetifierMatcher()
public static IdentifierTokenMatcher dottedIndetifierMatcher()
public void init(Jep j)
TokenMatcher
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