diff options
Diffstat (limited to 'lib/core/metaprogramming.nom')
| -rw-r--r-- | lib/core/metaprogramming.nom | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/lib/core/metaprogramming.nom b/lib/core/metaprogramming.nom index 7bf04f2..bd0b6d7 100644 --- a/lib/core/metaprogramming.nom +++ b/lib/core/metaprogramming.nom @@ -1,5 +1,4 @@ #!/usr/bin/env nomsu -V7.0.0 - ### This File contains actions for making actions and compile-time actions and some helper functions to make that easier. @@ -56,10 +55,10 @@ lua> (" end COMPILE_RULES["->"] = COMPILE_RULES["1 ->"] COMPILE_RULES["for"] = COMPILE_RULES["1 ->"] - - COMPILE_RULES["`"] = function(\(nomsu environment), _tree, escaped) + + COMPILE_RULES["\\\\"] = function(\(nomsu environment), _tree, escaped) local function escape(t) - if t.type == "Action" and t:get_stub() == "`" and #t == 2 then + if t.type == "Action" and t:get_stub() == "\\\\" and #t == 2 then return \(nomsu environment):compile(t[2]) else local bits = {} @@ -128,11 +127,11 @@ lua> (" if a.type == "EscapedNomsu" then \$args:add(a[1]) end end return LuaCode("COMPILE_RULES[", \($action as lua), ":get_stub()] = ", - \(`(`$args -> `$body) as lua)) + \(\(\$args -> \$body) as lua)) else for _,a in ipairs(\$action:get_args()) do \$args:add(a) end return LuaCode("COMPILE_RULES[", \$action:get_stub():as_lua(), - "] = ", \(`(`$args -> `$body) as lua)) + "] = ", \(\(\$args -> \$body) as lua)) end end ") @@ -144,7 +143,7 @@ lua> (" if \$actions.type ~= "List" then at_1_fail(\$actions, "Compile error: This should be a list of actions.") end - local lua = \(`(`$actions.1 compiles to `$body) as lua) + local lua = \(\(\$actions.1 compiles to \$body) as lua) local \$args = a_List{"\(nomsu environment)", "\(this tree)", unpack(\$actions[1]:get_args())} local \$compiled_args = a_List{"\(nomsu environment)", "\(this tree)"}; for i=3,#\$args do \$compiled_args[i] = \(nomsu environment):compile(\$args[i]) end @@ -196,13 +195,13 @@ test: else at_1_fail(\$action, "Compile error: This is not an action or method call.") end - lua:add(" = ", \(`(`$action -> `$body) as lua), ";") + lua:add(" = ", \(\(\$action -> \$body) as lua), ";") return lua ") ($actions all mean $body) compiles to: lua> (" - local lua = \(`(`$actions.1 means `$body) as lua) + local lua = \(\(\$actions.1 means \$body) as lua) local first_def = (\$actions[1].type == "MethodCall" and LuaCode(\(nomsu environment):compile(\$actions[1][1]), ".", \$actions[1][2]:get_\ ..stub():as_lua_id()) @@ -221,7 +220,7 @@ test: if \$args == \$alias_args then lua:add(" = ", first_def, ";") else - lua:add(" = ", \(`(`$alias_args -> `$actions.1) as lua), ";") + lua:add(" = ", \(\(\$alias_args -> \$actions.1) as lua), ";") end end return lua @@ -323,7 +322,7 @@ test: local \$new_body = LuaCode:from(\$body.source, "local mangle = mangler()", "\\nreturn ", make_tree(\$body)) - return \(`(`$actions all compile to `$new_body) as lua) + return \(\(\$actions all compile to \$new_body) as lua) ") ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -339,7 +338,7 @@ test: ") ### Need to make sure the proper environment is used for compilation (i.e. the caller's environment) -($tree as lua expr) compiles to `((nomsu environment), `$tree as lua expr) +($tree as lua expr) compiles to \(nomsu environment, \$tree as lua expr) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -444,7 +443,7 @@ external: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ test: - assume ("Action" tree with "foo" ("Var" tree with "x")) == `(foo $x) + assume ("Action" tree with "foo" ("Var" tree with "x")) == \(foo $x) external: ($type tree with (*extra arguments*)) means @@ -475,7 +474,7 @@ test: ") ### Convenience helper: -(return Lua (*extra arguments*)) compiles to `(return (Lua `(*extra arguments*))) +(return Lua (*extra arguments*)) compiles to \(return (Lua \(*extra arguments*))) ### Literals (yes) compiles to "(true)" @@ -487,7 +486,7 @@ test: (at compilation $expr) compiles to: lua> (" - local value = \(nomsu environment):run(\(`(return `$expr))) + local value = \(nomsu environment):run(\(\(return \$expr))) if lua_type_of(value) == 'table' or lua_type_of(value) == 'string' and value.as_lua then return LuaCode(value:as_lua()) else @@ -514,11 +513,7 @@ test: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ### TODO: Remove shim -($tree with $t -> $replacement) parses as - $tree, with ($t -> $replacement) - +($tree with $t -> $replacement) parses as ($tree, with ($t -> $replacement)) [tree $tree with vars $replacements, $tree with vars $replacements] all parse as - ($tree, with $replacements) - -($tree has subtree $match_tree) parses as - $tree, contains $match_tree + $tree, with $replacements +($tree has subtree $match_tree) parses as ($tree, contains $match_tree) |