From e1a1adf65845357f26e396dbc34adc127b2126a6 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Mon, 28 Apr 2003 10:25:30 +0000
Subject: allow "sub pkg::foo() { ...}"

---
 perl_checker.src/lexer.mll  | 21 ++++++++++++++++++---
 perl_checker.src/parser.mly |  4 ++--
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/perl_checker.src/lexer.mll b/perl_checker.src/lexer.mll
index 044c562..a787ac2 100644
--- a/perl_checker.src/lexer.mll
+++ b/perl_checker.src/lexer.mll
@@ -40,7 +40,7 @@ type raw_token =
   | RAW_IDENT_PAREN of (string option * string * raw_pos)
   | ARRAYLEN_IDENT of (string option * string * raw_pos)
   | SUB_WITH_PROTO of (string * raw_pos)
-  | FUNC_DECL_WITH_PROTO of (string * string * raw_pos)
+  | FUNC_DECL_WITH_PROTO of (string option * string * string * raw_pos)
 
   | IF of raw_pos | ELSIF of raw_pos | ELSE of raw_pos | UNLESS of raw_pos | DO of raw_pos | WHILE of raw_pos | UNTIL of raw_pos | MY_OUR of (string * raw_pos) | CONTINUE of raw_pos | SUB of raw_pos
   | LOCAL of raw_pos | FOR of (string * raw_pos) | USE of raw_pos | PACKAGE of raw_pos | BEGIN of raw_pos | END of raw_pos | PRINT of (string * raw_pos) 
@@ -98,7 +98,7 @@ let rec raw_token_to_pos_and_token spaces = function
   | RAW_IDENT_PAREN(kind, name, pos) -> pos, Parser.RAW_IDENT_PAREN(new_any M_special (kind, name) spaces pos)
   | ARRAYLEN_IDENT(kind, name, pos) -> pos, Parser.ARRAYLEN_IDENT(new_any M_special (kind, name) spaces pos)
   | SUB_WITH_PROTO(proto, pos) -> pos, Parser.SUB_WITH_PROTO(new_any M_special proto spaces pos)
-  | FUNC_DECL_WITH_PROTO(name, proto, pos) -> pos, Parser.FUNC_DECL_WITH_PROTO(new_any M_special (name, proto) spaces pos)
+  | FUNC_DECL_WITH_PROTO(fq, name, proto, pos) -> pos, Parser.FUNC_DECL_WITH_PROTO(new_any M_special (fq, name, proto) spaces pos)
 
   | NEW(pos) -> pos, Parser.NEW(new_any M_special () spaces pos)
   | FORMAT(pos) -> pos, Parser.FORMAT(new_any M_special () spaces pos)
@@ -601,7 +601,22 @@ rule token = parse
     let ident = String.sub s ident_start (ident_end - ident_start + 1) in
     let prototype = skip_n_char_ (proto_start + 1) 1 s in
 
-    FUNC_DECL_WITH_PROTO(ident, prototype, pos lexbuf)
+    FUNC_DECL_WITH_PROTO(None, ident, prototype, pos lexbuf)
+  }
+
+| "sub" ' '+ ident ("::" ident)+ ' '* '(' [ '$' '@' '\\' '&' ';' '%' ]* ')' {
+    (* bloody prototypes, must be caught especially otherwise "($)" is badly tokenized *)
+    (* and alas "($@)" is both valid as an expression and a prototype *)
+    let s = lexeme lexbuf in
+    let ident_start = non_index_from s 3 ' ' in
+
+    let proto_start = String.index_from s ident_start '(' in
+    let ident_end = non_rindex_from s (proto_start-1) ' ' in
+    let ident = String.sub s ident_start (ident_end - ident_start + 1) in
+    let prototype = skip_n_char_ (proto_start + 1) 1 s in
+
+    let fq, name = split_at_two_colons ident in
+    FUNC_DECL_WITH_PROTO(Some fq, name, prototype, pos lexbuf)
   }
 
 | "$#" ident? ("::" ident)+ { arraylen_fqident_from_lexbuf lexbuf }
diff --git a/perl_checker.src/parser.mly b/perl_checker.src/parser.mly
index d2a8cc9..ed2095d 100644
--- a/perl_checker.src/parser.mly
+++ b/perl_checker.src/parser.mly
@@ -24,7 +24,7 @@
 
 %token <(string option * string) Types.any_spaces_pos> SCALAR_IDENT ARRAY_IDENT HASH_IDENT FUNC_IDENT STAR_IDENT RAW_IDENT RAW_IDENT_PAREN ARRAYLEN_IDENT
 %token <string Types.any_spaces_pos> SUB_WITH_PROTO
-%token <(string * string) Types.any_spaces_pos> FUNC_DECL_WITH_PROTO
+%token <(string option * string * string) Types.any_spaces_pos> FUNC_DECL_WITH_PROTO
 
 %token <string Types.any_spaces_pos> FOR PRINT
 %token <unit   Types.any_spaces_pos> NEW FORMAT
@@ -181,7 +181,7 @@ use_revision:
 
 func_decl:
 | SUB word { new_esp M_none ($2.any, None) $1 $2}
-| FUNC_DECL_WITH_PROTO {new_1esp (Ident(None, fst $1.any, get_pos $1), Some (snd $1.any)) $1 }
+| FUNC_DECL_WITH_PROTO {new_1esp (Ident(fst3 $1.any, snd3 $1.any, get_pos $1), Some (ter3 $1.any)) $1 }
 
 listexpr: /* Basic list expressions */
 | %prec PREC_LOW { default_pesp P_tok []}
-- 
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