diff options
Diffstat (limited to 'lib/lace/compiler.lua')
| -rw-r--r-- | lib/lace/compiler.lua | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/lace/compiler.lua b/lib/lace/compiler.lua index bd57671..538c27b 100644 --- a/lib/lace/compiler.lua +++ b/lib/lace/compiler.lua @@ -92,6 +92,9 @@ local function internal_compile_ruleset(compcontext, sourcename, content) rules = {}, } + local prev_uncond_result = builtin.get_set_last_unconditional_result() + local prev_result = builtin.get_set_last_result() + for i = 1, #lexed_content.lines do local line = lexed_content.lines[i] if line.type == "rule" then @@ -106,6 +109,31 @@ local function internal_compile_ruleset(compcontext, sourcename, content) end end + -- And restore the builtin result (in case we were chained/included) + local uncond = builtin.get_set_last_unconditional_result(prev_uncond_result) + local result = builtin.get_set_last_result(prev_result) + -- Finally consider the default behaviour + -- Cases to consider are: + -- There's an unconditional result, in which case no problem + -- There's no result whatsoever, conditional or otherwise, error out + -- There's no unconditional result but there's a default + -- in which case use the default + -- There's no unconditional result and no default, fake up a default and + -- then use it. + if not uncond and not result then + return false, "No result set whatsoever" + end + + if not uncond then + if not compcontext[".lace"].default then + -- No default, fake one up + builtin.commands.default(compcontext, "default", + result == "allow" and "deny" or "allow") + end + -- Now, inject the default command at the end of the ruleset. + ruleset.rules[#ruleset.rules+1] = compcontext[".lace"].default + end + _setposition(compcontext) return ruleset end |