// $ANTLR start "assignment"
// DefRef.g:107:1: assignment : ^(eq= '=' member . ) ;
public final void assignment() throws RecognitionException {
CommonTree eq = null;
Type member6 = null;
try {
// DefRef.g:108:5: ( ^(eq= '=' member . ) )
// DefRef.g:108:9: ^(eq= '=' member . )
{
eq = (CommonTree) match(input, 27, FOLLOW_27_in_assignment473);
if (state.failed) return;
match(input, Token.DOWN, null);
if (state.failed) return;
pushFollow(FOLLOW_member_in_assignment475);
member6 = member();
state._fsp--;
if (state.failed) return;
matchAny(input);
if (state.failed) return;
match(input, Token.UP, null);
if (state.failed) return;
if (state.backtracking == 1) {
System.out.println("line " + eq.getLine() + ": assign to type " + member6.getName());
}
}
} catch (RecognitionException re) {
reportError(re);
recover(input, re);
} finally {
}
return;
}
// $ANTLR start "member"
// DefRef.g:118:1: member returns [Type type] : ( ^( '.' m= member ID ) | ID );
public final Type member() throws RecognitionException {
Type type = null;
CommonTree ID7 = null;
CommonTree ID8 = null;
Type m = null;
try {
// DefRef.g:119:5: ( ^( '.' m= member ID ) | ID )
int alt6 = 2;
int LA6_0 = input.LA(1);
if ((LA6_0 == 30)) {
alt6 = 1;
} else if ((LA6_0 == ID)) {
alt6 = 2;
} else {
if (state.backtracking > 0) {
state.failed = true;
return type;
}
NoViableAltException nvae = new NoViableAltException("", 6, 0, input);
throw nvae;
}
switch (alt6) {
case 1:
// DefRef.g:119:7: ^( '.' m= member ID )
{
match(input, 30, FOLLOW_30_in_member527);
if (state.failed) return type;
match(input, Token.DOWN, null);
if (state.failed) return type;
pushFollow(FOLLOW_member_in_member531);
m = member();
state._fsp--;
if (state.failed) return type;
ID7 = (CommonTree) match(input, ID, FOLLOW_ID_in_member533);
if (state.failed) return type;
match(input, Token.UP, null);
if (state.failed) return type;
if (state.backtracking == 1) {
StructSymbol scope = (StructSymbol) m; // get scope of expr
Symbol s =
scope.resolveMember((ID7 != null ? ID7.getText() : null)); // resolve ID in scope
System.out.println(
"line "
+ ID7.getLine()
+ ": ref "
+ m.getName()
+ "."
+ (ID7 != null ? ID7.getText() : null)
+ "="
+ s);
if (s != null) type = s.type; // return ID's type
}
}
break;
case 2:
// DefRef.g:127:7: ID
{
ID8 = (CommonTree) match(input, ID, FOLLOW_ID_in_member550);
if (state.failed) return type;
if (state.backtracking == 1) {
Symbol s = currentScope.resolve((ID8 != null ? ID8.getText() : null));
System.out.println(
"line "
+ ID8.getLine()
+ ": ref "
+ (ID8 != null ? ID8.getText() : null)
+ "="
+ s);
if (s != null) type = s.type;
}
}
break;
}
} catch (RecognitionException re) {
reportError(re);
recover(input, re);
} finally {
}
return type;
}