1 files changed, 230 insertions, 0 deletions
diff --git a/core2.moon b/core2.moon
new file mode 100755
index 0000000..6298426
--- /dev/null
+++ b/core2.moon
@@ -0,0 +1,230 @@
+#!/usr/bin/env moon
+nomic = require 'nomic2'
+game = nomic()
+
+is_list = (t)->
+    i = 0
+    for _ in pairs(t)
+        i += 1
+        if t[i] == nil then return false
+    return true
+
+repr = (x)->
+    if type(x) == 'table'
+        if is_list x
+            "[#{table.concat([repr(i) for i in *x], ", ")}]"
+        else
+            "{#{table.concat(["#{k}: #{v}" for k,v in pairs x], ", ")}}"
+    else
+        tostring(x)
+
+game\def {[[print $str]], [[say $str]]}, (args)=> print(repr(args.str))
+game\def {[[printf $str]]}, (args)=>
+    for s in *args.str do io.write(repr(s))
+    io.write("\n")
+
+game\def [[return $value]], (args)=> args.value
+
+game\macro [[let $var = $value]], (var, value)->
+    "locals[#{var}] = #{value}"
+
+game\def [[$signature := $body]], (args)=>
+    invocations = if type(args.signature) == 'table' then args.signature else {args.signature}
+    for i in *invocations
+        unless @check_authorization(i)
+            print "You are not permitted to redefine this function"
+            return
+
+    @\def args.signature, args.body
+    print "Defined new rule: \"#{game.repr(args.signature)}\""
+    --print debug.getinfo(args.body, "S").source
+    return nil
+
+game\def [[compile $body]], (args)=>
+    print debug.getinfo(args.body, "S").source
+    return nil
+
+game\def [[help $invocation]], (args)=>
+    print_rule = (invocation, rule)->
+        print "\"#{invocation}\" :="
+        info = debug.getinfo(rule, "S")
+        i = 0
+        for line in info.source\gmatch("[^\n]+")
+            i+=1
+            if i >= info.linedefined+1
+                print(line)
+            if i >= info.lastlinedefined-1
+                return
+        print "    #{info.short_src}:#{info.linedefined}-#{info.lastlinedefined}"
+
+    with args
+        if rule = @rules[.invocation]
+            print_rule .invocation, rule
+            return nil
+        words = [w for w in .invocation\gmatch("%S+")]
+        match_count = (i)->
+            iws = [w for w in i\gmatch("[^ $]+")]
+            count = 0
+            for w in *words
+                for iw in *iws
+                    if w == iw then count += 1
+            count += 1/#iws
+            return count
+        rules = {}
+        invocations = {}
+        for i,r in pairs(@rules)
+            c = match_count(i)
+            if c > (rules[r] or 0)
+                rules[r] = c
+                invocations[r] = i
+        best = [r for r in pairs rules]
+        table.sort best, ((a,b)-> rules[a] > rules[b])
+        if rules[best[1]] > 0
+            for r in *best
+                if rules[r] < rules[best[1]]
+                    break
+                print_rule invocations[r], r
+        return nil
+
+game\macro "true", -> "true"
+game\macro "yes", -> "true"
+game\macro "false", -> "false"
+game\macro "no", -> "false"
+game\macro "nil", -> "nil"
+game\macro "None", -> "nil"
+game\macro "null", -> "nil"
+game\def [[nop]], ((args)=> nil), "... does nothing, returns nil ..."
+
+game\def [[$x == $y]], (args)=>
+    with args
+        if .x == .y then return true
+        if type(.x) != type(.y) then return false
+        if type(.x) != 'table' then return false
+        for k,v in pairs(.x)
+            if .y[k] != v
+                return false
+        for k,v in pairs(.y)
+            if .x[k] != v
+                return false
+        return true
+game\run [=[
+    ["$x != $y", "$x <> $y", "$x ~= $y"] := {return (not (x == y))}
+]=]
+game\def [[$x < $y]], (args)=> args.x < args.y
+game\def [[$x <= $y]], (args)=> args.x <= args.y
+game\def [[$x > $y]], (args)=> args.x > args.y
+game\def [[$x >= $y]], (args)=> args.x >= args.y
+
+game\macro [[$x + $y]], (x,y)-> "(#{x} + #{y})"
+game\macro [[$x - $y]], (x,y)-> "(#{x} - #{y})"
+game\macro [[$x * $y]], (x,y)-> "(#{x} * #{y})"
+game\macro [[$x / $y]], (x,y)-> "(#{x} / #{y})"
+game\macro [[$x ^ $y]], (x,y)-> "(#{x} ^ #{y})"
+
+game\macro [[$x < $y]], (x,y)-> "(#{x} < #{y})"
+game\macro [[$x <= $y]], (x,y)-> "(#{x} <= #{y})"
+game\macro [[$x > $y]], (x,y)-> "(#{x} > #{y})"
+game\macro [[$x >= $y]], (x,y)-> "(#{x} >= #{y})"
+
+game\macro [[not $x]], (x)-> "(not #{x})"
+game\macro [[$x and $y]], (x,y)-> "(#{x} and #{y})"
+game\macro [[$x or $y]], (x,y)-> "(#{x} or #{y})"
+
+
+[==[
+game\def [[if $condition $body else $else_body]], (args)=>
+    with args
+        if .condition
+            return .body(@, args)
+        else return .else_body(@, args)
+
+game\run [=[
+    ["if $condition $body", "when $condition $body"] := {if $condition $body else {}}
+    ["unless $condition $body"] := {if (not $condition) $body else {}}
+    ["unless $condition $body else $else_body"] := {if (not $condition) $body else $else_body}
+]=]
+]==]
+
+game\def [[random]], -> math.random()
+
+game\def [[sum $items]], (args)=>
+    tot = 0
+    for x in *args.items do tot += x
+    return tot
+
+game\def [[all $items]], (args)=>
+    for x in *args.items
+        if not x then return false
+    return true
+
+game\def [[any $items]], (args)=>
+    for x in *args.items
+        if x then return true
+    return false
+
+game\def {[[average $items]], [[avg $items]]}, (args)=>
+    tot = 0
+    for x in *args.items do tot += x
+    return tot / #args.items
+
+game\def {[[min $items]], [[smallest $items]], [[lowest $items]], [[fewest $items]]}, (args)=>
+    with args
+        min = .items[1]
+        for i=2,#.items
+            if .items[i] < min
+                min = .items[i]
+        return min
+
+game\def {[[max $items]], [[largest $items]], [[highest $items]], [[most $items]]}, (args)=>
+    with args
+        max = .items[1]
+        for i=2,#.items
+            if .items[i] > max
+                max = .items[i]
+        return max
+
+game\def {[[argmin $items]]}, (args)=>
+    with args
+        min = .items[1]
+        for i=2,#.items
+            if .items[i][2] < min[2]
+                min = .items[i]
+        return min
+
+game\def {[[argmax $items]]}, (args)=>
+    with args
+        max = .items[1]
+        for i=2,#.items
+            if .items[i][2] > max[2]
+                max = .items[i]
+        return max
+
+game\def {[[$index st in $list]], [[$index nd in $list]], [[$index rd in $list]], [[$index th in $list]]}, (args)=>
+    with args
+        if type(.list) != 'table'
+            print "Not a list: #{.list}"
+            return
+        .list[.index]
+
+game\def {[[index of $item in $list]]}, (args)=>
+    with args
+        if type(.list) != 'table'
+            print "Not a list: #{.list}"
+            return
+        for i,x in ipairs .list
+            if x == .item
+                return i
+        return nil
+game\run [=[
+    ["$item is in $list", "$list contains $item"] := {(index of $item in $list) != (nil)}
+]=]
+
+game\def {[[# $list]], [[length of $list]], [[size of $list]]}, (args)=>
+    with args
+        if type(.list) != 'table'
+            print "Not a list: #{.list}"
+            return
+        #.list
+
+
+return game