diff options
Diffstat (limited to 'lib/things.nom')
| -rw-r--r-- | lib/things.nom | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/lib/things.nom b/lib/things.nom deleted file mode 100644 index 9ca7e7d..0000000 --- a/lib/things.nom +++ /dev/null @@ -1,140 +0,0 @@ -#!/usr/bin/env nomsu -V6.15.13.8 -# - A library for simple object oriented programming. - -test: - an (Empty) is a thing - a (Buffer) is a thing: - $its.is_a_buffer = (yes) - ($its, set up) means: - $its.bits or= [] - ($it, as text) means - $it.bits, joined - [($its, add $bit), ($its, append $bit)] all mean: - $its.bits, add $bit - - assume (Buffer).is_a_buffer - $b = (a Buffer) - assume (type of $b) == "Buffer" - assume $b.is_a_buffer - assume "\$b" == "" - assume ($b, as text) == "" - $b = (a Buffer with {.bits = ["x"]}) - $b, - add "y" - append "z" - assume "\$b" == "xyz" - assume $b == (a Buffer with {.bits = ["x", "y", "z"]}) - assume $b != (a Buffer with {.bits = []}) - - a (Comma Buffer) is a (Buffer): - ($it, as text) means ($it.bits, joined with ",") - ($its, number of commas) means ((#$its.bits) - 1) - - $csv = (a Comma Buffer) - assume $csv.is_a_buffer - assume "\$csv" == "" - $csv, add "x" - $csv, add "y" - assume "\$csv" == "x,y" - assume ($csv, number of commas) == 1 - - a (Vec) is a thing with {.x, .y}: - ($its, + $other) means (Vec {.x = ($its.x + $other.x), .y = ($its.y + $other.y)}) - - assume ((Vec {.x = 1, .y = 2}) + (Vec {.x = 10, .y = 10})) == - Vec {.x = 11, .y = 12} - - assume - ((Vec {.x = 1, .y = 2}) + (Vec {.x = 10, .y = 10})) != (Vec {.x = 0, .y = 0}) - -$METAMETHOD_MAP = { - ."as text" = "__tostring", ."clean up" = "__gc", ."+" = "__add", ."-" = "__sub" - ."*" = "__mul", ."/" = "__div", .negative = "__unm", ."//" = "__idiv" - .mod = "__mod", ."^" = "__pow", ."&" = "__band", ."|" = "__bor", ."~" = "__bxor" - ."~" = "__bnot", ."<<" = "__bshl", .">>" = "__bshr", ."==" = "__eq" - ."<" = "__lt", ."<=" = "__le", ."set 1 =" = "__newindex" - .size = "__len", .iterate = "__ipairs", ."iterate all" = "__pairs" -} - -$($ as text like a dict) = ({}'s metatable).__tostring -external: - [ - a $parent class named $classname with $members $(initialize $) - an $parent class named $classname with $members $(initialize $) - ] all mean: - $class = {.__type = $classname} - $class.__index = $class - $class.class = $class - $class.__tostring = ($ -> "\($.__type) \($ as text like a dict)") - $class.__eq = ({}'s metatable).__eq - $class.__len = ({}'s metatable).__len - if $members: - $class.__members = $members - $class.__newindex = - for ($its $key = $value): - if $members.$key: - rawset $its $key $value - ..else: - fail "Cannot set \$key, it's not one of the allowed member fields." - - set $class's metatable to { - .__index = $parent - .__tostring = ($class -> $class.__type) - .__call = - for ($class with $initial_values): - if ($initial_values == (nil)): return $class - set $initial_values's metatable to $class - if $initial_values.set_up: - $initial_values, set up - return $initial_values - } - - if $(initialize $): - initialize $class - for $stub = $metamethod in $METAMETHOD_MAP: - if $class.($stub, as lua id): - $class.$metamethod = $class.($stub, as lua id) - - return $class - - [ - a $classname is a $parent with $members $class_body - an $classname is a $parent with $members $class_body - a $classname is an $parent with $members $class_body - an $classname is an $parent with $members $class_body - ] all compile to: - $class_id = ($classname.stub, as lua id) - $lua = - Lua (" - \$class_id = a_1_class_named_2_with(\($parent as lua), \(quote $classname.stub), \($members as lua)\( - ( - Lua (" - , function(\$class_id) - local it, its = \$class_id, \$class_id; - \($class_body as lua) - end - ") - ) if $class_body else "" - )) - a_\$class_id = function(initial_values) return \$class_id(initial_values or {}) end - an_\$class_id, a_\($class_id)_with, an_\($class_id)_with = a_\$class_id, a_\$class_id, a_\$class_id - ") - - $lua, add free vars [$class_id, "a_\$class_id", "an_\$class_id"] - return $lua - - [ - a $classname is a thing with $members $class_body - an $classname is a thing with $members $class_body - a $classname is an thing with $members $class_body - an $classname is an thing with $members $class_body - ] all parse as (a $classname is a (nil) with $members $class_body) - - [a $classname is a thing $class_body, an $classname is a thing $class_body] - ..all parse as (a $classname is a (nil) with (nil) $class_body) - - [ - a $classname is a $parent $class_body, an $classname is a $parent $class_body - a $classname is an $parent $class_body, an $classname is an $parent $class_body - ] all parse as (a $classname is a $parent with (nil) $class_body) |