hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
37 lines
674 B
Plaintext
Executable File
37 lines
674 B
Plaintext
Executable File
grammar t014parser;
|
|
options {
|
|
language = JavaScript;
|
|
}
|
|
|
|
@parser::members {
|
|
this.reportedErrors = [];
|
|
this.events = [];
|
|
this.emitErrorMessage = function(msg) {
|
|
this.reportedErrors.push(msg);
|
|
};
|
|
this.eventMessage = function(msg) {
|
|
this.events.push(msg);
|
|
};
|
|
}
|
|
|
|
|
|
document:
|
|
( declaration
|
|
| call
|
|
)*
|
|
EOF
|
|
;
|
|
|
|
declaration:
|
|
'var' t=IDENTIFIER ';'
|
|
{this.eventMessage(['decl', $t.getText()]);}
|
|
;
|
|
|
|
call:
|
|
t=IDENTIFIER '(' ')' ';'
|
|
{this.eventMessage(['call', $t.getText()]);}
|
|
;
|
|
|
|
IDENTIFIER: ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'0'..'9'|'_')*;
|
|
WS: (' '|'\r'|'\t'|'\n') {$channel=HIDDEN;};
|