mirror of
https://github.com/kanaka/mal.git
synced 2024-11-10 12:47:45 +03:00
97 lines
3.0 KiB
Makefile
97 lines
3.0 KiB
Makefile
#
|
|
# mal (Make Lisp)
|
|
#
|
|
_TOP_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
|
|
include $(_TOP_DIR)types.mk
|
|
include $(_TOP_DIR)reader.mk
|
|
include $(_TOP_DIR)printer.mk
|
|
include $(_TOP_DIR)env.mk
|
|
include $(_TOP_DIR)core.mk
|
|
|
|
SHELL := /bin/bash
|
|
INTERACTIVE ?= yes
|
|
EVAL_DEBUG ?=
|
|
|
|
# READ: read and parse input
|
|
define READ
|
|
$(if $(READLINE_EOF)$(__ERROR),,$(call READ_STR,$(if $(1),$(1),$(call READLINE,"user> "))))
|
|
endef
|
|
|
|
# EVAL: evaluate the parameter
|
|
define LET
|
|
$(strip \
|
|
$(word 1,$(2) \
|
|
$(foreach var,$(call _nth,$(1),0),\
|
|
$(foreach val,$(call _nth,$(1),1),\
|
|
$(call ENV_SET,$(2),$($(var)_value),$(call EVAL,$(val),$(2)))\
|
|
$(foreach left,$(call srest,$(call srest,$(1))),
|
|
$(if $(call _EQ,0,$(call _count,$(left))),\
|
|
,\
|
|
$(call LET,$(left),$(2))))))))
|
|
endef
|
|
|
|
define EVAL_AST
|
|
$(strip \
|
|
$(and $(EVAL_DEBUG),$(info EVAL_AST: $(call _pr_str,$(1))))\
|
|
$(if $(call _symbol?,$(1)),\
|
|
$(foreach key,$($(1)_value),\
|
|
$(call ENV_GET,$(2),$(key))),\
|
|
$(if $(call _list?,$(1)),\
|
|
$(call _smap,EVAL,$(1),$(2)),\
|
|
$(if $(call _vector?,$(1)),\
|
|
$(call _smap_vec,EVAL,$(1),$(2)),\
|
|
$(if $(call _hash_map?,$(1)),\
|
|
$(foreach new_hmap,$(call __new_obj,hmap),\
|
|
$(foreach v,$(call __get_obj_values,$(1)),\
|
|
$(eval $(v:$(1)_%=$(new_hmap)_%) := $(call EVAL,$($(v)),$(2))))\
|
|
$(eval $(new_hmap)_size := $($(1)_size))\
|
|
$(new_hmap)),\
|
|
$(1))))))
|
|
endef
|
|
|
|
define EVAL_INVOKE
|
|
$(if $(__ERROR),,\
|
|
$(and $(EVAL_DEBUG),$(info EVAL_INVOKE: $(call _pr_str,$(1))))
|
|
$(foreach a0,$(call _nth,$(1),0),\
|
|
$(if $(call _EQ,def!,$($(a0)_value)),\
|
|
$(foreach a1,$(call _nth,$(1),1),\
|
|
$(foreach a2,$(call _nth,$(1),2),\
|
|
$(foreach res,$(call EVAL,$(a2),$(2)),\
|
|
$(if $(__ERROR),,\
|
|
$(if $(call ENV_SET,$(2),$($(a1)_value),$(res)),$(res),))))),\
|
|
$(if $(call _EQ,let*,$($(a0)_value)),\
|
|
$(foreach a1,$(call _nth,$(1),1),\
|
|
$(foreach a2,$(call _nth,$(1),2),\
|
|
$(call EVAL,$(a2),$(call LET,$(a1),$(call ENV,$(2)))))),\
|
|
$(foreach el,$(call EVAL_AST,$(1),$(2)),\
|
|
$(call _apply,$(call sfirst,$(el)),$(call srest,$(el))))))))
|
|
endef
|
|
|
|
define EVAL
|
|
$(strip $(if $(__ERROR),,\
|
|
$(and $(EVAL_DEBUG),$(info EVAL: $(call _pr_str,$(1))))\
|
|
$(if $(call _list?,$(1)),\
|
|
$(strip $(call EVAL_INVOKE,$(1),$(2))),\
|
|
$(call EVAL_AST,$(1),$(2)))))
|
|
endef
|
|
|
|
|
|
# PRINT:
|
|
define PRINT
|
|
$(if $(__ERROR),Error: $(call _pr_str,$(__ERROR),yes),$(if $(1),$(call _pr_str,$(1),yes)))$(if $(__ERROR),$(eval __ERROR :=),)
|
|
endef
|
|
|
|
# REPL:
|
|
REPL_ENV := $(call ENV)
|
|
REP = $(call PRINT,$(strip $(call EVAL,$(strip $(call READ,$(1))),$(REPL_ENV))))
|
|
REPL = $(info $(call REP,$(call READLINE,"user> ")))$(if $(READLINE_EOF),,$(call REPL))
|
|
|
|
# Setup the environment
|
|
REPL_ENV := $(call ENV_SET,$(REPL_ENV),+,number_plus)
|
|
REPL_ENV := $(call ENV_SET,$(REPL_ENV),-,number_subtract)
|
|
REPL_ENV := $(call ENV_SET,$(REPL_ENV),*,number_multiply)
|
|
REPL_ENV := $(call ENV_SET,$(REPL_ENV),/,number_divide)
|
|
|
|
# repl loop
|
|
$(if $(strip $(INTERACTIVE)),$(call REPL))
|