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-rw-r--r--src/comp/front/ast.rs1
-rw-r--r--src/comp/front/lexer.rs1
-rw-r--r--src/comp/front/parser.rs15
-rw-r--r--src/comp/front/token.rs3
4 files changed, 19 insertions, 1 deletions
diff --git a/src/comp/front/ast.rs b/src/comp/front/ast.rs
index 4493bea8..9e7c3cc1 100644
--- a/src/comp/front/ast.rs
+++ b/src/comp/front/ast.rs
@@ -252,6 +252,7 @@ tag expr_ {
expr_tup(vec[elt], ann);
expr_rec(vec[field], option.t[@expr], ann);
expr_call(@expr, vec[@expr], ann);
+ expr_call_self(@expr, vec[@expr], ann);
expr_bind(@expr, vec[option.t[@expr]], ann);
expr_spawn(spawn_dom, option.t[str], @expr, vec[@expr], ann);
expr_binary(binop, @expr, @expr, ann);
diff --git a/src/comp/front/lexer.rs b/src/comp/front/lexer.rs
index 878940b7..86b872da 100644
--- a/src/comp/front/lexer.rs
+++ b/src/comp/front/lexer.rs
@@ -169,6 +169,7 @@ impure fn new_reader(io.reader rdr, str filename) -> reader
keywords.insert("any", token.ANY);
keywords.insert("obj", token.OBJ);
+ keywords.insert("self", token.SELF);
keywords.insert("port", token.PORT);
keywords.insert("chan", token.CHAN);
diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index 7bec44e6..25c9f4a5 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -883,6 +883,20 @@ impure fn parse_bottom_expr(parser p) -> @ast.expr {
ex = ast.expr_chan(e, ast.ann_none);
}
+ case (token.SELF) {
+ p.bump();
+ expect(p, token.DOT);
+ // The rest is a call expression.
+ auto e = parse_bottom_expr(p);
+ auto pf = parse_expr;
+ auto es = parse_seq[@ast.expr](token.LPAREN,
+ token.RPAREN,
+ some(token.COMMA),
+ pf, p);
+ hi = es.span;
+ auto ex = ast.expr_call_self(e, es.node, ast.ann_none);
+ }
+
case (_) {
auto lit = parse_lit(p);
hi = lit.span;
@@ -1646,6 +1660,7 @@ fn stmt_ends_with_semi(@ast.stmt stmt) -> bool {
case (ast.expr_tup(_,_)) { ret true; }
case (ast.expr_rec(_,_,_)) { ret true; }
case (ast.expr_call(_,_,_)) { ret true; }
+ case (ast.expr_call_self(_,_,_)){ ret true; }
case (ast.expr_binary(_,_,_,_)) { ret true; }
case (ast.expr_unary(_,_,_)) { ret true; }
case (ast.expr_lit(_,_)) { ret true; }
diff --git a/src/comp/front/token.rs b/src/comp/front/token.rs
index bb0cea80..5ac9d662 100644
--- a/src/comp/front/token.rs
+++ b/src/comp/front/token.rs
@@ -160,8 +160,9 @@ tag token {
FN;
ITER;
- /* Object type */
+ /* Object type and related keywords */
OBJ;
+ SELF;
/* Comm and task types */
CHAN;