Add support for different Erlang/OTP releases

.gitignore

@@ -1,6 +1,9 @@
 ebin
 .eunit
 
+erlson_erlc/src/erl_parse.yrl
+erlson_shell/src/erl_parse.yrl
+
 *.beam
 *.P
 erl_parse.erl

erlson_erlc/rebar.config

@@ -0,0 +1,11 @@
+{pre_hooks, [
+    {compile, "ln -sf ../../`../otp_release.sh`/erl_parse_erlc.yrl src/erl_parse.yrl"}
+]}.
+
+
+{post_hooks, [
+    {clean, "rm -f src/erl_parse.yrl"}
+]}.
+
+
+% vim:ft=erlang

erlson_shell/rebar.config

@@ -0,0 +1,11 @@
+{pre_hooks, [
+    {compile, "ln -sf ../../`../otp_release.sh`/erl_parse_shell.yrl src/erl_parse.yrl"}
+]}.
+
+
+{post_hooks, [
+    {clean, "rm -f src/erl_parse.yrl"}
+]}.
+
+
+% vim:ft=erlang

otp_release.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+OTP_VERSION=`erl -eval 'io:format("~s", [erlang:system_info(otp_release)]), halt().'`
+
+case "$OTP_VERSION" in
+        R13*)
+                echo "r13"
+                ;;
+        R14*)
+                echo "r14"
+                ;;
+        R15*)
+                echo "r15"
+                ;;
+        *)
+                echo "error: unknown Erlang/OTP version: $OTP_VERSION" >&2
+                exit 1
+esac
+

rebar.config

@@ -1,17 +1,23 @@
+{require_otp_vsn, "R13B04|R14|R15"}.
+
+
 % this will allow us to load the Erlson rebar plugin during this build (e.g. for
 % running EUnit)
 {lib_dirs, [".."]}.
 
+
 {plugins, [erlson_rebar_plugin]}. % newest rebar
 {rebar_plugins, [erlson_rebar_plugin]}. % older rebar
 
+
 % version of the extended Erlang parser that generates Erlson at parse time
 {sub_dirs, ["erlson_erlc", "erlson_shell"]}.
 
+
 {post_hooks, [
-        {compile, "cp erlson_erlc/ebin/erl_parse.beam ebin/erl_parse_erlc.beam"},
-        {compile, "cp erlson_shell/ebin/erl_parse.beam ebin/erl_parse_shell.beam"}
-    ]}.
+    {compile, "cp erlson_erlc/ebin/erl_parse.beam ebin/erl_parse_erlc.beam"},
+    {compile, "cp erlson_shell/ebin/erl_parse.beam ebin/erl_parse_shell.beam"}
+]}.
 
 
 {erl_opts, [fail_on_warning, debug_info]}.
@@ -24,11 +30,10 @@
 {cover_enabled, false}.
 
 
-%{deps,
-%    [
+%{deps, [
 %        % we need Mochiweb for mochijson2
 %        {mochiweb, "", {git, "https://github.com/mochi/mochiweb.git", {branch, "master"}}}
-%    ]}.
+%]}.
 
 
 % vim:ft=erlang

src/Makefile

@@ -10,6 +10,9 @@ ERLC_FLAGS = -pa $(EBIN_DIR)
 ERL_OBJECTS = $(ERL_SOURCES:%.erl=$(EBIN_DIR)/%.beam)
 ERL_TEST_OBJECTS = $(ERL_TESTS:%.erl=$(EBIN_DIR)/%.beam)
 
+OTP_RELEASE := $(shell ../otp_release.sh)
+
+
 .PHONY: all test
 
 
@@ -25,11 +28,11 @@ erlson_tests.erl: $(ERL_SOURCES)
 
 
 erl_parse_shell.yrl:
-	test -s $@ || ln -s ../erlson_shell/src/erl_parse.yrl $@
+	test -s $@ || ln -s ../$(OTP_RELEASE)/erl_parse_shell.yrl $@
 
 
 erl_parse.yrl:
-	test -s $@ || ln -s ../erlson_erlc/src/erl_parse.yrl $@
+	test -s $@ || ln -s ../$(OTP_RELEASE)/erl_parse_erlc.yrl $@
 
 
 $(ERL_OBJECTS) $(ERL_TEST_OBJECTS): %.beam: %.erl