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-rw-r--r--core/metaprogramming.nom152
1 files changed, 73 insertions, 79 deletions
diff --git a/core/metaprogramming.nom b/core/metaprogramming.nom
index 17b3be4..f78ab50 100644
--- a/core/metaprogramming.nom
+++ b/core/metaprogramming.nom
@@ -1,10 +1,9 @@
-#!/usr/bin/env nomsu -V1
+#!/usr/bin/env nomsu -V2.2.4.3
#
This File contains actions for making actions and compile-time actions and some helper
functions to make that easier.
lua> "NOMSU_CORE_VERSION = 2"
-
lua> ".."
nomsu.COMPILE_ACTIONS["% -> %"] = function(nomsu, tree, \%args, \%body)
local lua = LuaCode.Value(tree.source, "function(")
@@ -29,73 +28,71 @@ lua> ".."
return lua
end
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lua> ".."
nomsu.COMPILE_ACTIONS["compile % to %"] = function(nomsu, tree, \%actions, \%body)
local \%args = {"nomsu", "tree", unpack(table.map(\%actions[1]:get_args(), function(a) return tostring(nomsu:compile(a)) end))}
local lua = LuaCode(tree.source, "nomsu.COMPILE_ACTIONS[", repr(\%actions[1].stub),
- "] = ", \(compile as: %args -> %body))
+ "] = ", \(compile as (%args -> %body)))
for i=2,#\%actions do
local alias = \%actions[i]
local \%alias_args = {"nomsu", "tree", unpack(table.map(alias:get_args(), function(a) return tostring(nomsu:compile(a)) end))}
- lua:append("\nnomsu.COMPILE_ACTIONS[", repr(alias.stub), "] = ")
+ lua:append("\\nnomsu.COMPILE_ACTIONS[", repr(alias.stub), "] = ")
if utils.equivalent(\%args, \%alias_args) then
lua:append("nomsu.COMPILE_ACTIONS[", repr(\%actions[1].stub), "]")
else
lua:append("function(")
lua:concat_append(\%alias_args, ", ")
- lua:append(")\n return nomsu.COMPILE_ACTIONS[", repr(\%actions[1].stub), "](")
+ lua:append(")\\n return nomsu.COMPILE_ACTIONS[", repr(\%actions[1].stub), "](")
lua:concat_append(\%args, ", ")
- lua:append(")\nend")
+ lua:append(")\\nend")
end
end
return lua
end
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-compile [call %fn with %args] to
+compile [call %fn with %args] to (..)
lua> ".."
local lua = LuaCode.Value(tree.source, nomsu:compile(\%fn), "(")
lua:concat_append(table.map(\%args, function(a) return nomsu:compile(a) end), ", ")
lua:append(")")
return lua
-compile [local action %actions %body] to
+compile [local action %actions %body] to (..)
lua> ".."
local fn_name = "A"..string.as_lua_id(\%actions[1].stub)
local \%args = table.map(\%actions[1]:get_args(), function(a) return tostring(nomsu:compile(a)) end)
- local lua = LuaCode(tree.source, fn_name, " = ", \(compile as: %args -> %body))
+ local lua = LuaCode(tree.source, fn_name, " = ", \(compile as (%args -> %body)))
lua:add_free_vars({fn_name})
for i=2,#\%actions do
local alias = \%actions[i]
local alias_name = "A"..string.as_lua_id(alias.stub)
lua:add_free_vars({alias_name})
local \%alias_args = table.map(alias:get_args(), function(a) return tostring(nomsu:compile(a)) end)
- lua:append("\n", alias_name, " = ")
+ lua:append("\\n", alias_name, " = ")
if utils.equivalent(\%args, \%alias_args) then
lua:append(fn_name)
else
lua:append("function(")
lua:concat_append(\%alias_args, ", ")
- lua:append(")\n return ", fn_name, "(")
+ lua:append(")\\n return ", fn_name, "(")
lua:concat_append(\%args, ", ")
- lua:append(")\nend")
+ lua:append(")\\nend")
end
end
return lua
-compile [action %actions %body] to
+compile [action %actions %body] to (..)
lua> ".."
- local lua = \(compile as: local action %actions %body)
+ local lua = \(compile as (local action %actions %body))
lua:remove_free_vars(table.map(\%actions, function(a) return "A"..string.as_lua_id(a.stub) end))
return lua
-compile [action %action] to
- Lua value "A\(%action.stub as lua id)"
-
-compile [parse %actions as %body] to
+compile [action %action] to (Lua value "A\(%action.stub as lua id)")
+compile [parse %actions as %body] to (..)
lua> ".."
local replacements = {}
for i,arg in ipairs(\%actions[1]:get_args()) do
@@ -115,56 +112,52 @@ compile [parse %actions as %body] to
end
local \%new_body = LuaCode(\%body.source,
"__MANGLE_INDEX = (__MANGLE_INDEX or 0) + 1",
- "\nlocal tree = ", make_tree(\%body),
- "\nlocal lua = nomsu:compile(tree); return lua")
- local ret = \(compile as: compile %actions to %new_body)
+ "\\nlocal tree = ", make_tree(\%body),
+ "\\nlocal lua = nomsu:compile(tree); return lua")
+ local ret = \(compile as (compile %actions to %new_body))
return ret
-compile [%tree as lua expr] to
+compile [%tree as lua expr] to (..)
Lua value "nomsu:compile(\(=lua "nomsu:compile(\%tree):as_expr()")):as_expr()"
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-compile [%tree as lua] to
- Lua value "nomsu:compile(\(%tree as lua expr))"
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-compile [%tree as lua statements] to
+compile [%tree as lua] to (Lua value "nomsu:compile(\(%tree as lua expr))")
+compile [%tree as lua statements] to (..)
Lua value "nomsu:compile(\(%tree as lua expr)):as_statements()"
-compile [%tree as lua return] to
+compile [%tree as lua return] to (..)
Lua value "nomsu:compile(\(%tree as lua expr)):as_statements('return ')"
-compile [remove action %action] to
- Lua ".."
- A\(=lua "string.as_lua_id(\(%action.stub))") = nil
+compile [remove action %action] to (..)
+ Lua "A\(=lua "string.as_lua_id(\(%action.stub))") = nil"
-compile [%tree as nomsu] to
+compile [%tree as nomsu] to (..)
Lua value "nomsu:tree_to_nomsu(\(%tree as lua expr))"
-compile [%tree as inline nomsu] to
+compile [%tree as inline nomsu] to (..)
Lua value "nomsu:tree_to_nomsu(\(%tree as lua expr), true)"
-action [%var as lua identifier, %var as lua id]
+action [%var as lua identifier, %var as lua id] (..)
lua> ".."
if type(\%var) == 'string' then return string.as_lua_id(\%var)
elseif \%var.type == 'Var' then return string.as_lua_id(\%var[1])
elseif \%var.type == 'Action' then return "A"..string.as_lua_id(\%var.stub)
end
-
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-compile [% is syntax tree] to
- Lua value "AST.is_syntax_tree(\(% as lua expr))"
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-compile [% is %kind syntax tree] to
+compile [% is syntax tree] to (Lua value "AST.is_syntax_tree(\(% as lua expr))")
+compile [% is %kind syntax tree] to (..)
Lua value "AST.is_syntax_tree(\(% as lua expr), \(%kind as lua expr))"
-compile [%tree with %t -> %replacement] to
+compile [%tree with %t -> %replacement] to (..)
Lua value ".."
\(%tree as lua expr):map(function(\(%t as lua expr))
\(%replacement as lua return)
end)
-action [%tree with vars %replacements]
+action [%tree with vars %replacements] (..)
=lua ".."
\%tree:map(function(\%t)
if \%t.type == "Var" then
@@ -172,68 +165,69 @@ action [%tree with vars %replacements]
end
end)
-compile [declare locals in %code] to
+compile [declare locals in %code] to (..)
Lua value "\(%code as lua expr):declare_locals()"
-compile [declare locals %locals in %code] to
+compile [declare locals %locals in %code] to (..)
Lua value "\(%code as lua expr):declare_locals(\(%locals as lua expr))"
-compile [add free vars %vars to %code] to
+compile [add free vars %vars to %code] to (..)
Lua "\(%code as lua expr):add_free_vars(\(%vars as lua expr));"
-compile [remove free vars %vars from %code] to
+compile [remove free vars %vars from %code] to (..)
Lua "\(%code as lua expr):remove_free_vars(\(%vars as lua expr));"
-compile [%lua <-write %code, to %lua write %code] to: Lua "\(%lua as lua expr):append(\(%code as lua expr));"
+compile [%lua <-write %code, to %lua write %code] to (..)
+ Lua "\(%lua as lua expr):append(\(%code as lua expr));"
-compile [to %lua write %code joined by %glue] to: Lua "\(%lua as lua expr):concat_append(\(%code as lua expr), \(%glue as lua expr));"
+compile [to %lua write %code joined by %glue] to (..)
+ Lua "\(%lua as lua expr):concat_append(\(%code as lua expr), \(%glue as lua expr));"
-compile [quote %s] to
- Lua value ".."
- repr(\(%s as lua expr))
-compile [type of %obj] to: Lua value "type(\(%obj as lua expr))"
-
-compile [parse %text] to
- Lua value ".."
- nomsu:parse(NomsuCode("\("\(%text.source)")", \(%text as lua expr)))
+compile [quote %s] to (Lua value "repr(\(%s as lua expr))")
+compile [type of %obj] to (Lua value "type(\(%obj as lua expr))")
+compile [parse %text] to (..)
+ Lua value "nomsu:parse(NomsuCode(\"\(%text.source)\", \(%text as lua expr)))"
-compile [parse %text from %filename] to
+compile [parse %text from %filename] to (..)
Lua value ".."
nomsu:parse(NomsuCode(Source(\(%filename as lua expr), 1, #\(%text as lua expr)), \(%text as lua expr)))
-compile [run %nomsu_code] to
- Lua value "nomsu:run(\(%nomsu_code as lua expr), \(=lua "repr(tostring(\(%nomsu_code.source)))"))"
-
-action [run tree %tree, %tree as value]
- lua> ".."
- return nomsu:run(\%tree)
+compile [run %nomsu_code] to (..)
+ Lua value ".."
+ nomsu:run(\(%nomsu_code as lua expr), \(=lua "repr(tostring(\(%nomsu_code.source)))"))
-compile [compile %block, compiled %block, %block compiled] to
+action [run tree %tree, %tree as value] (lua> "return nomsu:run(\%tree)")
+compile [compile %block, compiled %block, %block compiled] to (..)
Lua value "nomsu:compile(\(%block as lua))"
+
# Return statement is wrapped in a do..end block because Lua is unhappy if you
put code after a return statement, unless you wrap it in a block.
-compile [return] to: Lua "do return; end"
-compile [return %return_value] to: Lua "do return \(%return_value as lua expr) end"
+compile [return] to (Lua "do return; end")
+compile [return %return_value] to (..)
+ Lua "do return \(%return_value as lua expr) end"
+
# Literals
-compile [yes] to: Lua value "true"
-compile [no] to: Lua value "false"
-compile [nothing, nil, null] to: Lua value "nil"
-compile [Nomsu syntax version] to: Lua value "NOMSU_SYNTAX_VERSION"
-compile [Nomsu compiler version] to: Lua value "NOMSU_COMPILER_VERSION"
-compile [core version] to: Lua value "NOMSU_CORE_VERSION"
-compile [lib version] to: Lua value "NOMSU_LIB_VERSION"
-compile [command line args] to: Lua value "arg"
-
-~~~~
-compile [with local compile actions %body] to
+compile [yes] to (Lua value "true")
+compile [no] to (Lua value "false")
+compile [nothing, nil, null] to (Lua value "nil")
+compile [Nomsu syntax version] to (Lua value "NOMSU_SYNTAX_VERSION")
+compile [Nomsu compiler version] to (Lua value "NOMSU_COMPILER_VERSION")
+compile [core version] to (Lua value "NOMSU_CORE_VERSION")
+compile [lib version] to (Lua value "NOMSU_LIB_VERSION")
+compile [command line args] to (Lua value "arg")
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+compile [with local compile actions %body] to (..)
Lua ".."
do
local nomsu = table.fork(nomsu, {COMPILE_ACTIONS=table.fork(nomsu.COMPILE_ACTIONS)})
\(%body as lua statements)
end
-action [Nomsu version]
+action [Nomsu version]:
use "lib/version.nom"
- return "\(Nomsu syntax version).\(core version).\(Nomsu compiler version).\(lib version)"
+ return ".."
+ \(Nomsu syntax version).\(core version).\(Nomsu compiler version).\(lib version)
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-01 11:26:48 +0000