parseaut: accept Alias: before AP:

Fixes #345.

* spot/parseaut/parseaut.yy: Deal with this inconvenient order.
* tests/core/parseaut.test: Test it.
* NEWS: Mention the bug fix.

tests/core/parseaut.test

@@ -1,6 +1,6 @@
 #!/bin/sh
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2017 Laboratoire de Recherche et Développement de
+# Copyright (C) 2014-2018 Laboratoire de Recherche et Développement de
 # l'Epita (LRDE).
 #
 # This file is part of Spot, a model checking library.
@@ -504,6 +504,37 @@ cat >input <<EOF
     [!@a & @bc]  0 {1}
     [@a & @bc]   0 {0 1}
     --END--
+  HOA: v1
+  name: "GFa & GF(b & c)"
+  States: 1
+  Start: 0
+  acc-name: generalized-Buchi 2
+  Acceptance: 2 (Inf(0) & Inf(1))
+  Alias: @a 0
+  Alias: @bc 1 & 2
+  --BODY--
+  State: 0
+  [!@a & !@bc] 0
+  [@a & !@bc]  0 {0}
+  [!@a & @bc]  0 {1}
+  [@a & @bc]   0 {0 1}
+  --END--
+HOA: v1
+name: "GFa & GF(b & c)"
+States: 1
+Start: 0
+acc-name: generalized-Buchi 2
+Acceptance: 2 (Inf(0) & Inf(1))
+Alias: @bc 1 & 2
+AP: 1 "a"
+Alias: @a 0
+--BODY--
+State: 0
+[!@a & !@bc] 0
+[@a & !@bc]  0 {0}
+[!@a & @bc]  0 {1}
+[@a & @bc]   0 {0 1}
+--END--
 EOF
 
 expecterr input <<EOF
@@ -516,6 +547,9 @@ input:15.20-22: trans-based acceptance used despite...
 input:11.17-25: ... declaration of state-based acceptance.
 input:16.12-14: unknown alias @bc
 input:17.11-13: unknown alias @bc
+input:26.18: atomic proposition used in Alias without AP declaration
+input:40.16: AP number is larger than the number of APs...
+input:41.1-3: ... declared here
 EOF
 
 cat >input <<EOF
@@ -535,6 +569,22 @@ cat >input <<EOF
     [!@a & @b.c]  0 {1}
     [@a & @b.c]   0 {0 1}
     --END--
+  HOA: v1.1
+  Alias: @b.c 1 & 2
+  name: "GFa & GF(b & c)"
+  States: 1
+  Start: 0
+  acc-name: who cares
+  Acceptance: 2 (Inf(0) & Inf(1))
+  AP: 3 "a" "b" "c"
+  Alias: @a 0
+  --BODY--
+  State: 0
+  [!@a & !@b.c] 0
+  [@a & !@b.c]  0 {0}
+  [!@a & @b.c]  0 {1}
+  [@a & @b.c]   0 {0 1}
+  --END--
 /* Some comment */
 HOA: v1
 States: 2
@@ -565,6 +615,22 @@ State: 0
 [0&1&2] 0 {0 1}
 --END--
 HOA: v1
+name: "GFa & GF(b & c)"
+States: 1
+Start: 0
+AP: 3 "a" "b" "c"
+acc-name: generalized-Buchi 2
+Acceptance: 2 Inf(0)&Inf(1)
+properties: trans-labels explicit-labels trans-acc complete
+properties: deterministic
+--BODY--
+State: 0
+[!0&!1 | !0&!2] 0
+[0&!1 | 0&!2] 0 {0}
+[!0&1&2] 0 {1}
+[0&1&2] 0 {0 1}
+--END--
+HOA: v1
 States: 2
 Start: 0
 AP: 1 "a"
@@ -581,7 +647,8 @@ EOF
 
 expectok input --stats='%F:%L' <<EOF
 input:1.5-16.11
-input:18.1-26.7
+input:17.3-32.9
+input:34.1-42.7
 EOF
 
 cat >input <<EOF