LunaCON: fix Lua->CON line translation by recreating the line info, too.

git-svn-id: https://svn.eduke32.com/eduke32@3790 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/source/lunatic/defs.ilua

@@ -1661,17 +1661,17 @@ G_.projectile = projectile
 G_.g_tile = g_tile
 
 
----=== Lunatic interpreter setup ===---
+---=== Lunatic translator setup ===---
 
-local concode
+read_into_string = readintostr_mod  -- for lunacon
+local lunacon = require("lunacon")
+
+local concode, lineinfo
 local g_firstRun = (ffiC.g_elCONSize == 0)
 
 --- Get Lua code for CON (+ mutator) code.
 if (g_firstRun) then
     -- Compiling CON for the first time.
-    read_into_string = readintostr_mod  -- for lunacon
-    local lunacon = require("lunacon")
-
     local confn = { ffi.string(ffiC.G_ConFile()) }
 
     local nummods = ffiC.g_scriptModulesNum
@@ -1683,7 +1683,6 @@ if (g_firstRun) then
         end
     end
 
-    local lineinfo
     concode, lineinfo = lunacon.compile(confn)
 
     if (concode == nil) then
@@ -1697,6 +1696,12 @@ if (g_firstRun) then
 else
     -- CON was already compiled.
     concode = ffi.string(ffiC.g_elCON, ffiC.g_elCONSize)
+    lineinfo = lunacon.get_lineinfo(concode)
+end
+
+if (ffiC._DEBUG_LUNATIC ~= 0) then
+    -- XXX: lineinfo of 2nd up time has one line less.
+    printf("CON line info has %d Lua lines", #lineinfo.llines)
 end
 
 do

polymer/eduke32/source/lunatic/lunacon.lua

@@ -3076,17 +3076,8 @@ local lineinfo_mt = {
     __metatable = true,
 }
 
--- Construct Lua->CON line mapping info.  This walks the generated code and
--- looks for our inserted comment strings, so it's kind of hackish.
-local function get_lineinfo(flatcode)
-    local curline, curfile = { 0 }, { "<none>" }  -- stacks
-    -- llines: [<Lua code line number>] = <CON code line number>
-    -- lfiles: [<sequence number>] = { line=<Lua line number>, name=<filename> }
-    local llines, lfiles = {}, {}
-
-    for i=1,#flatcode do
-        local code = flatcode[i]
-
+-- Handle a line of translated CON->Lua code. Return its CON line number.
+local function lineinfo_handle_line(i, code, curline, curfile, lfiles)
     local lnumstr = code:match("%-%-([0-9]+)$")
     local begfn = lnumstr and nil or code:match("^%-%- BEGIN (.+)$")
     local endfn = lnumstr and nil or code:match("^%-%- END (.+)$")
@@ -3106,7 +3097,41 @@ local function get_lineinfo(flatcode)
         lfiles[#lfiles+1] = { line=i, name=curfile[#curfile] }
     end
 
-        llines[i] = assert(curline[#curline])
+    return assert(curline[#curline])
+end
+
+-- Construct Lua->CON line mapping info.  This walks the generated code and
+-- looks for our inserted comment strings, so it's kind of hackish.
+function get_lineinfo(flatcode)
+    local curline, curfile = { 0 }, { "<none>" }  -- stacks
+    -- llines: [<Lua code line number>] = <CON code line number>
+    -- lfiles: [<sequence number>] = { line=<Lua line number>, name=<filename> }
+    local llines, lfiles = {}, {}
+
+    if (type(flatcode)=="table") then
+        for i=1,#flatcode do
+            llines[i] = lineinfo_handle_line(i, flatcode[i], curline, curfile, lfiles)
+        end
+    else
+        -- Already concat'ed code given.
+        assert(type(flatcode)=="string")
+        local olinestart = 1
+
+        for i=1,math.huge do
+            local curnli = flatcode:find("\n", olinestart, true)
+            local line
+
+            if (curnli ~= nil) then
+                line = flatcode:sub(olinestart, curnli-1)
+                olinestart = curnli+1
+            else
+                -- Last line
+                line = flatcode:sub(olinestart, -1)
+                break
+            end
+
+            llines[i] = lineinfo_handle_line(i, line, curline, curfile, lfiles)
+        end
     end
 
     return setmetatable({ llines=llines, lfiles=lfiles }, lineinfo_mt)

polymer/eduke32/source/lunatic/lunatic_game.c

@@ -397,6 +397,8 @@ void El_DestroyState(L_State *estate)
 {
     L_DestroyState(estate);
 
+    g_tweakTracebackMsg = 0;
+
     // XXX: It would be cleaner to also clear stuff like g_elEvents[], but
     // currently, when the game Lua state is recreated, the array should have
     // the same values as before, so we're skipping that for now.