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

5 files changed, 15 insertions, 5 deletions

diff --git a/bash/core.sh b/bash/core.sh
index e0cba38..c8a0261 100644
--- a/bash/core.sh
+++ b/bash/core.sh
@@ -56,6 +56,12 @@ num_gte      () { r=$(( ${ANON["${1}"]} >= ${ANON["${2}"]} )); _num_bool "${r}";
 num_lt       () { r=$(( ${ANON["${1}"]} <  ${ANON["${2}"]} )); _num_bool "${r}"; }
 num_lte      () { r=$(( ${ANON["${1}"]} <= ${ANON["${2}"]} )); _num_bool "${r}"; }
 
+# return number of milliseconds since epoch
+time_ms () {
+    local ms=$(date +%s%3N)
+    _number "${ms}"
+}
+
 
 # String functions
 
@@ -280,7 +286,7 @@ meta () {
 }
 
 
-# atoms
+# Atom functions
 
 atom? () { _atom? "${1}" && r="${__true}" || r="${__false}"; }
 deref () {
@@ -327,6 +333,7 @@ declare -A core_ns=(
     [-]=num_minus
     [__STAR__]=num_multiply
     [/]=num_divide
+    [time-ms]=time_ms
 
     [list]=_list
     [list?]=list?
diff --git a/bash/step7_quote.sh b/bash/step7_quote.sh
index b541d67..14721ba 100755
--- a/bash/step7_quote.sh
+++ b/bash/step7_quote.sh
@@ -14,7 +14,7 @@ READ () {
 }
 
 IS_PAIR () {
-    if _list? "${1}"; then
+    if _sequential? "${1}"; then
         _count "${1}"
         [[ "${r}" > 0 ]] && return 0
     fi
diff --git a/bash/step8_macros.sh b/bash/step8_macros.sh
index 0e58404..e311489 100755
--- a/bash/step8_macros.sh
+++ b/bash/step8_macros.sh
@@ -14,7 +14,7 @@ READ () {
 }
 
 IS_PAIR () {
-    if _list? "${1}"; then
+    if _sequential? "${1}"; then
         _count "${1}"
         [[ "${r}" > 0 ]] && return 0
     fi
diff --git a/bash/step9_interop.sh b/bash/step9_interop.sh
index c2b0931..0491f7f 100755
--- a/bash/step9_interop.sh
+++ b/bash/step9_interop.sh
@@ -14,7 +14,7 @@ READ () {
 }
 
 IS_PAIR () {
-    if _list? "${1}"; then
+    if _sequential? "${1}"; then
         _count "${1}"
         [[ "${r}" > 0 ]] && return 0
     fi
diff --git a/bash/stepA_more.sh b/bash/stepA_more.sh
index d968942..8a8366a 100755
--- a/bash/stepA_more.sh
+++ b/bash/stepA_more.sh
@@ -14,7 +14,7 @@ READ () {
 }
 
 IS_PAIR () {
-    if _list? "${1}"; then
+    if _sequential? "${1}"; then
         _count "${1}"
         [[ "${r}" > 0 ]] && return 0
     fi
@@ -254,8 +254,11 @@ _fref () { _function "${2} \"\${@}\""; ENV_SET "${REPL_ENV}" "${1}" "${r}"; }
 for n in "${!core_ns[@]}"; do _fref "${n}" "${core_ns["${n}"]}"; done
 _eval () { EVAL "${1}" "${REPL_ENV}"; }
 _fref "eval" _eval
+_time_ms () { local ms=$(date +%s%3N); _number "${ms}"; }
+_fref "time-ms" _time_ms
 
 # core.mal: defined using the language itself
+REP "(def! *host-language* \"bash\")"
 REP "(def! not (fn* (a) (if a false true)))"
 REP "(def! load-file (fn* (f) (eval (read-string (str \"(do \" (slurp f) \")\")))))"
 REP "(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)))))))"