@@ -16,10 +16,12 @@ These two files generate Reia's scanner and parser, and thus define the syntax o Things to look out for: shift/reduce or reduce/reduce conflicts from yecc. These are only warnings, but they indicate your grammar is somehow ambiguous. If you want to get a patch accepted to the grammar, be sure it's free of these warnings. -There are a number of ways to parse Reia code to parse trees. The easiest is to do it straight from "ire": +There are a number of ways to parse Reia code to parse trees. The easiest is to do it straight from "ire" the Reia shell: +<pre><code> >> "2+2".to_parsetree() => [(:op,1,:'+',(:integer,1,2),(:integer,1,2))] +</code></pre> This outputs Reia parse trees in Reia syntax. @@ -38,6 +40,14 @@ The list of passes and basic compiler API are defined in: Here's the present list of passes performed by the compiler: -* Branches: Converts if statements to nested case statements and adds a catchall clause to all if/case statements that returns nil unless another catchall clause is defined. -* Ivars: Implemenets "instance variables", i.e. adding hidden state to gen_server which compiles to pure functional state passing -* ssa, methods, r2e, dynamic]. \ No newline at end of file +* branches: Converts if statements to nested case statements and adds a catchall clause to all if/case statements that returns nil unless another catchall clause is defined +* ivars: Implemenets "instance variables", i.e. adding hidden state to gen_server which compiles to pure functional state passing +* ssa: Static single assignment transform, implements destructive assignment +* methods: Handles hidden state passing between method calls within the same object +* r2e: Final Reia-to-Erlang pass, handles final conversion of Reia syntax trees into the Erlang abstract format + +These passes are defined in the: + + src/compiler/ + +directory. \ No newline at end of file INTERNALS.textile @@ -5,8 +5,8 @@ the Erlang virtual machine (BEAM). h2. Compiling Reia -Reia requires Erlang version of R12B-3 (5.6.3). The latest version of Erlang -is available here: +Reia requires Erlang version R12B-3 (5.6.3) or later. The latest version of +Erlang is available here: "http://www.erlang.org/download.html":http://www.erlang.org/download.html README.textile 30e021001a948aed1fedcfe116baadd911681e53 Tony Arcieri tony@medioh.com http://github.com/tarcieri/reia/commit/8b111771d257ab0397fc97387474abde0e6e7b1a 8b111771d257ab0397fc97387474abde0e6e7b1a 2009-05-10T00:11:04-07:00 2009-05-10T00:11:04-07:00 Doc fixups f83c31727c6e4b5829bf2b8e4b36b59c58f5452c Tony Arcieri tony@medioh.com