...
To be written. Volunteers?
Construct | Description | Example |
|---|
(...)*
| Kleene closure - matches zero or more occurrences | LETTER DIGIT* - match a LETTER followed by zero or more occurrences of DIGIT
|
(...)+
| Positive Kleene closure - matches one or more occurrences | ('0'..'9')+ - match one or more occurrences of a numerical digit
LETTER (LETTER|DIGIT)+ - match a LETTER followed one or more occurrences of either LETTER or DIGIT
|
3.1 ANTLR 3 parser grammar syntax
Java | | Code Block |
|---|
parser grammar MyLangParser;
@header
{
package antlr3.tutorial.mylang;
}
OR : '||' ;
|
|
|---|
3.2 ANTLR 3 lexer grammar syntax
Java | | Code Block |
|---|
lexer grammar MyLangLexer;
@header
{
package antlr3.tutorial.mylang;
}
OR : '||' ;
|
|
|---|
...
4. Build and use a basic ANTLR 3 grammar
To be written. Volunteers?
Java | | Code Block |
|---|
grammar Simple;
|
|
|---|
C# | | Code Block |
|---|
grammar Simple;
options
{
language=CSharp;
}
|
|
|---|
Objective-C | | Code Block |
|---|
grammar Simple;
options
{
language=ObjC;
}
|
|
|---|
...
How about a more complex ANTLR 3 grammar
...
?
To be written. Volunteers?
Sure, we'll use one from the examples-v3 distribution
What next?
Read the Antlr 3 Documentation
...