All: perf test, Makefile refactor, add *host-language*

Other:
- bash,make,postscript: quasiquote of vectors
- Fix Java slurp
- add time function to core.mal
    - switches on *host-language* for make time-secs vs time-ms
- Ignore */experiments directories

9 files changed, 6 insertions, 14 deletions

diff --git a/ps/core.ps b/ps/core.ps
index f9397fa..191e5c3 100644
--- a/ps/core.ps
+++ b/ps/core.ps
@@ -1,5 +1,3 @@
-(in core.ps\n) print
-
 % requires types.ps
 
 % Errors/Exceptions
@@ -239,6 +237,7 @@ end } def
     (-)       { dup 0 _nth exch 1 _nth sub }
     (*)       { dup 0 _nth exch 1 _nth mul }
     (/)       { dup 0 _nth exch 1 _nth idiv }
+    (time-ms) { pop realtime }
 
     (list)    { /data get _list_from_array }
     (list?)   { 0 _nth _list? }
diff --git a/ps/env.ps b/ps/env.ps
index 4eb3484..f6d5b88 100644
--- a/ps/env.ps
+++ b/ps/env.ps
@@ -1,5 +1,3 @@
-(in env.ps\n) print
-
 % outer binds exprs -> env_new -> new_env
 /env_new { 3 dict begin
     %(in env_new\n) print
diff --git a/ps/printer.ps b/ps/printer.ps
index de91d80..3062e2d 100644
--- a/ps/printer.ps
+++ b/ps/printer.ps
@@ -1,5 +1,3 @@
-(in printer.ps\n) print
-
 % requires types.ps to be included first
 
 % ast print_readably -> _pr_str -> string
diff --git a/ps/reader.ps b/ps/reader.ps
index 188a121..f1f63f6 100644
--- a/ps/reader.ps
+++ b/ps/reader.ps
@@ -1,5 +1,3 @@
-(in reader\n) print
-
 % requires types.ps to be included first
 
 /token_delim (;,"` \n{}\(\)[]) def
diff --git a/ps/step7_quote.ps b/ps/step7_quote.ps
index f335683..93bf464 100644
--- a/ps/step7_quote.ps
+++ b/ps/step7_quote.ps
@@ -17,7 +17,7 @@
 % is_pair?: ast -> is_pair? -> bool
 % return true if non-empty list, otherwise false
 /is_pair? { 
-    dup _list? { _count 0 gt }{ pop false } ifelse
+    dup _sequential? { _count 0 gt }{ pop false } ifelse
 } def
 
 % ast -> quasiquote -> new_ast
diff --git a/ps/step8_macros.ps b/ps/step8_macros.ps
index 87fafb1..814b62b 100644
--- a/ps/step8_macros.ps
+++ b/ps/step8_macros.ps
@@ -17,7 +17,7 @@
 % is_pair?: ast -> is_pair? -> bool
 % return true if non-empty list, otherwise false
 /is_pair? { 
-    dup _list? { _count 0 gt }{ pop false } ifelse
+    dup _sequential? { _count 0 gt }{ pop false } ifelse
 } def
 
 % ast -> quasiquote -> new_ast
diff --git a/ps/step9_interop.ps b/ps/step9_interop.ps
index fbf51a5..e8d837f 100644
--- a/ps/step9_interop.ps
+++ b/ps/step9_interop.ps
@@ -17,7 +17,7 @@
 % is_pair?: ast -> is_pair? -> bool
 % return true if non-empty list, otherwise false
 /is_pair? { 
-    dup _list? { _count 0 gt }{ pop false } ifelse
+    dup _sequential? { _count 0 gt }{ pop false } ifelse
 } def
 
 % ast -> quasiquote -> new_ast
diff --git a/ps/stepA_more.ps b/ps/stepA_more.ps
index 1720b94..73403b0 100644
--- a/ps/stepA_more.ps
+++ b/ps/stepA_more.ps
@@ -17,7 +17,7 @@
 % is_pair?: ast -> is_pair? -> bool
 % return true if non-empty list, otherwise false
 /is_pair? { 
-    dup _list? { _count 0 gt }{ pop false } ifelse
+    dup _sequential? { _count 0 gt }{ pop false } ifelse
 } def
 
 % ast -> quasiquote -> new_ast
@@ -252,6 +252,7 @@ core_ns { _ref } forall
 (eval) { 0 _nth repl_env EVAL } _ref
 
 % core.mal: defined using the language itself
+(\(def! *host-language* "postscript"\)) RE pop
 (\(def! not \(fn* \(a\) \(if a false true\)\)\)) RE pop
 (\(def! load-file \(fn* \(f\) \(eval \(read-string \(str "\(do " \(slurp f\) "\)"\)\)\)\)\)) RE pop
 (\(defmacro! cond \(fn* \(& xs\) \(if \(> \(count xs\) 0\) \(list 'if \(first xs\) \(if \(> \(count xs\) 1\) \(nth xs 1\) \(throw "odd number of forms to cond"\)\) \(cons 'cond \(rest \(rest xs\)\)\)\)\)\)\)) RE pop
diff --git a/ps/types.ps b/ps/types.ps
index 2b26582..82be9c2 100644
--- a/ps/types.ps
+++ b/ps/types.ps
@@ -1,5 +1,3 @@
-(in types.ps\n) print
-
 % General functions
 
 % concatenate: concatenate two strings or two arrays