Reimplement exec parsing. Instead of special-casing exec as a command,

promote it to a decoration (like 'command' or 'builtin'). This makes tab
completion and syntax highlighting treat exec's first argument as a
command and is otherwise a nice simplification. Fixes #1300

1 files changed, 1 insertions, 1 deletions

diff --git a/highlight.cpp b/highlight.cpp
index dc9da156..55db8a5a 100644
--- a/highlight.cpp
+++ b/highlight.cpp
@@ -1236,7 +1236,7 @@ static bool command_is_valid(const wcstring &cmd, enum parse_statement_decoratio
 {
     /* Determine which types we check, based on the decoration */
     bool builtin_ok = true, function_ok = true, abbreviation_ok = true, command_ok = true, implicit_cd_ok = true;
-    if (decoration == parse_statement_decoration_command)
+    if (decoration == parse_statement_decoration_command || decoration == parse_statement_decoration_exec)
     {
         builtin_ok = false;
         function_ok = false;