diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/control_flow.nom | 28 | ||||
| -rw-r--r-- | core/metaprogramming.nom | 72 | ||||
| -rw-r--r-- | core/operators.nom | 2 |
3 files changed, 53 insertions, 49 deletions
diff --git a/core/control_flow.nom b/core/control_flow.nom index 0cc8f4e..61438d1 100644 --- a/core/control_flow.nom +++ b/core/control_flow.nom @@ -385,16 +385,18 @@ compile [result of %body] to Lua value "(\(compile as: [] -> %body))()" # Recurion control flow -using - compile [%var's stack] to: Lua value "stack\(%var as lua id)" -..compile - parse [for %var in recursive %structure %body] as - with local {(%var's stack): [%structure], action: recurse % on %} - action [recurse %v on %x] - add %x to (%v's stack) - repeat while: (length of (%var's stack)) > 0 - %var <- (remove 1 from (%var's stack)) - %body - === next %var == - === stop %var === - +compile [for %var in recursive %structure %body] to + with local compile actions + compile [recurse %v on %x] to + Lua "table.insert(stack\(%v as lua id), \(%x as lua expr))" + return + Lua ".." + do + local stack\(%var as lua id) = list{\(%structure as lua expr)} + while #stack\(%var as lua id) > 0 do + \(%var as lua expr) = table.remove(stack\(%var as lua id), 1) + \(%body as lua statements) + \(compile as: === next %var ===) + end + \(compile as: === stop %var ===) + end diff --git a/core/metaprogramming.nom b/core/metaprogramming.nom index d22a457..242db04 100644 --- a/core/metaprogramming.nom +++ b/core/metaprogramming.nom @@ -61,20 +61,6 @@ compile [call %fn with %args] to lua:append(")") return lua -compile [using %defs compile %body] to - lua> ".." - local lua = LuaCode(tree.source) - lua:append( - "local old_nomsu = nomsu\n", - "local nomsu = table.fork(old_nomsu, {COMPILE_ACTIONS=table.fork(old_nomsu.COMPILE_ACTIONS)})") - lua:append(nomsu:compile(\%defs)) - lua:append("\n") - lua:append("local ret = nomsu:compile(tree)\n") - lua:append("return ret") - nomsu = table.fork(nomsu, {tree=\%body}) - local output = nomsu:run_lua(lua) - return output - compile [local action %actions %body] to lua> ".." local fn_name = "A"..string.as_lua_id(\%actions[1].stub) @@ -138,33 +124,28 @@ compile [parse %actions as %body] to return ret ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +compile [%tree as lua expr] to + Lua value "nomsu:compile(\(=lua "nomsu:compile(\%tree):as_expr()")):as_expr()" -compile [remove action %action] to - Lua ".." - A\(=lua "string.as_lua_id(\(%action.stub))") = nil - -action [%tree as nomsu] - =lua "nomsu:tree_to_nomsu(\%tree)" +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +compile [%tree as lua] to + Lua value "nomsu:compile(\(%tree as lua expr))" -action [%tree as inline nomsu] - =lua "nomsu:tree_to_nomsu(\%tree, true)" +compile [%tree as lua statements] to + Lua value "nomsu:compile(\(%tree as lua expr)):as_statements()" -action [%tree as lua] - =lua "nomsu:compile(\%tree)" +compile [%tree as lua return] to + Lua value "nomsu:compile(\(%tree as lua expr)):as_statements('return ')" -action [%tree as lua expr] - lua> ".." - local lua = nomsu:compile(\%tree) - if not lua.is_value then - nomsu:compile_error(\%tree, "Invalid thing to convert to lua expr:\n%s") - end - return lua +compile [remove action %action] to + Lua ".." + A\(=lua "string.as_lua_id(\(%action.stub))") = nil -action [%tree as lua statements] - =lua "nomsu:compile(\%tree):as_statements()" +compile [%tree as nomsu] to + Lua value "nomsu:tree_to_nomsu(\(%tree as lua expr))" -action [%tree as lua return] - =lua "nomsu:compile(\%tree):as_statements('return ')" +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] lua> ".." @@ -174,6 +155,12 @@ action [%var as lua identifier, %var as lua id] end ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +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 Lua value ".." @@ -215,6 +202,10 @@ compile [parse %text] to Lua value ".." nomsu:parse(NomsuCode("\("\(%text.source)")", \(%text as lua expr))) +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(NomsuCode(\(quote "\(%nomsu_code.source)"), \(%nomsu_code as lua expr)))" @@ -238,8 +229,19 @@ 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] use "lib/version.nom" return "\(Nomsu syntax version).\(core version).\(Nomsu compiler version).\(lib version)" diff --git a/core/operators.nom b/core/operators.nom index 0756751..d434ea7 100644 --- a/core/operators.nom +++ b/core/operators.nom @@ -163,7 +163,7 @@ compile [%x ARSHIFT %shift, %x >> %shift] to: Lua value "(\(%x as lua expr) >> \ # Unary operators compile [- %] to: Lua value "(- \(% as lua expr))" compile [not %] to: Lua value "(not \(% as lua expr))" -compile [length of %list] to: Lua value "(#\(%list as lua expr))" +compile [length of %list, || %list ||] to: Lua value "(#\(%list as lua expr))" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |