From ed005f68d6293154c81df8e8c6a811ad062fb617 Mon Sep 17 00:00:00 2001
From: tmeissner <programming@goodcleanfun.de>
Date: Sun, 21 Jun 2020 23:02:30 +0200
Subject: [PATCH] Add issue code for PSL endpoints used in inline mode 
 (ghdl/ghdl#1378)

---
 issues/issue_1378.vhd | 98 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 issues/issue_1378.vhd

diff --git a/issues/issue_1378.vhd b/issues/issue_1378.vhd
new file mode 100644
index 0000000..3350585
--- /dev/null
+++ b/issues/issue_1378.vhd
@@ -0,0 +1,98 @@
+library ieee;
+  use ieee.std_logic_1164.all;
+
+
+entity sequencer is
+  generic (
+    seq : string
+  );
+  port (
+    clk  : in  std_logic;
+    data : out std_logic
+  );
+end entity sequencer;
+
+
+architecture rtl of sequencer is
+
+  signal index : natural := seq'low;
+
+  function to_bit (a : in character) return std_logic is
+    variable ret : std_logic;
+  begin
+    case a is
+      when '0' | '_' => ret := '0';
+      when '1' | '-' => ret := '1';
+      when others    => ret := 'X';
+    end case;
+    return ret;
+  end function to_bit;
+
+begin
+
+  process (clk) is
+  begin
+    if rising_edge(clk) then
+      if (index < seq'high) then
+        index <= index + 1;
+      end if;
+    end if;
+  end process;
+
+  data <= to_bit(seq(index));
+
+end architecture rtl;
+
+
+library ieee;
+  use ieee.std_logic_1164.all;
+
+
+library ieee;
+  use ieee.std_logic_1164.all;
+  use ieee.numeric_std.all;
+
+
+entity issue is
+  port (
+    clk : in std_logic
+  );
+end entity issue;
+
+
+architecture psl of issue is
+
+  component sequencer is
+    generic (
+      seq : string
+    );
+    port (
+      clk  : in  std_logic;
+      data : out std_logic
+    );
+  end component sequencer;
+
+  signal a, b, c : std_logic;
+
+begin
+
+  --                              01234567890123
+  SEQ_A : sequencer generic map ("_-_____-______") port map (clk, a);
+  SEQ_B : sequencer generic map ("__--____---___") port map (clk, b);
+  SEQ_C : sequencer generic map ("____-______-__") port map (clk, c);
+
+
+  -- All is sensitive to rising edge of clk
+  default clock is rising_edge(clk);
+
+  -- Doesn't work with inline PSL
+  -- endpoint ENDPOINT_0_e is {a; b[*2]; c};
+
+  -- endpoint in psl comment works
+  -- psl endpoint ENDPOINT_1_e is {a; b[*3]; c};
+
+  assert not ENDPOINT_1_e
+    report "Endpoint hit"
+    severity note;
+
+end architecture psl;