Constructor
new LexElement(role, value, inverse)
Parameters:
| Name | Type | Description |
|---|---|---|
role |
LexRole | A role of the lexical element |
value |
string | lexical value. |
inverse |
boolean | inverse the conditional expression for the lexical analyzing. |
- Source:
Methods
getTokenValue(token) → {string|null}
Get the value of token.
Get the value of token.
Parameters:
| Name | Type | Description |
|---|---|---|
token |
Token | A token to be tested. |
- Source:
Returns:
the token value.
- Type
- string | null
isMatch(token) → {boolean}
Test the token matches to this.
Test the token matches to this.
Parameters:
| Name | Type | Description |
|---|---|---|
token |
Token | A token to be tested. |
- Source:
Returns:
the token matches or not.
- Type
- boolean