make/step0_repl.mk

   1 #
   2 # mal (Make Lisp)
   3 #
   4 _TOP_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
   5 include $(_TOP_DIR)readline.mk
   6
   7 SHELL := /bin/bash
   8
   9 define READ
  10 $(call READLINE)
  11 endef
  12
  13 define EVAL
  14 $(if $(READLINE_EOF),,$(1))
  15 endef
  16
  17 define PRINT
  18 $(1)
  19 endef
  20
  21 REP = $(call PRINT,$(strip $(call EVAL,$(strip $(call READ)))))
  22 REPL = $(info $(call REP))$(if $(READLINE_EOF),,$(call REPL))
  23
  24 # Call the read-eval-print loop
  25 $(call REPL)