jolt/test/spec/predicates-spec.janet
Dmitri Sotnikov d3194aae59
Compiler research (#10)
adds self-hosted compiler is functionally:
 
- The default compile path is the portable pipeline using jolt.analyzer (Clojure) → host-neutral IR → backend.janet.
- The analyzer is itself Clojure, compiled by jolt for true self-hosting.
- bootstrap-fixpoint passes (stage1 == stage2 == stage3): rebuilding the compiler on its own output.
- clojure.core is now self-hosted in the overlay.
- Stateful forms (defmacro/ns/deftype/defmulti/require/in-ns) are interpreted by design.
2026-06-09 07:30:25 +08:00

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# Specification: type & value predicates.
(use ../support/harness)
(defspec "predicates / nil & boolean"
["nil? true" "true" "(nil? nil)"]
["nil? false" "false" "(nil? 0)"]
["some? true" "true" "(some? 0)"]
["some? on nil" "false" "(some? nil)"]
["true?" "true" "(true? true)"]
["false?" "true" "(false? false)"]
["boolean? true" "true" "(boolean? false)"]
["not nil" "true" "(not nil)"]
["not 0 is false" "false" "(not 0)"]
["boolean of nil" "false" "(boolean nil)"]
["boolean of value" "true" "(boolean 5)"])
(defspec "predicates / types"
["string?" "true" "(string? \"x\")"]
["number?" "true" "(number? 1)"]
["keyword?" "true" "(keyword? :a)"]
["symbol?" "true" "(symbol? (quote a))"]
["char?" "true" "(char? \\a)"]
["fn? on fn" "true" "(fn? inc)"]
["ifn? on keyword" "true" "(ifn? :a)"]
["vector?" "true" "(vector? [1])"]
["list?" "true" "(list? (list 1))"]
["map?" "true" "(map? {:a 1})"]
["set?" "true" "(set? #{1})"]
["coll? vector" "true" "(coll? [1])"]
["coll? map" "true" "(coll? {:a 1})"]
["coll? on number" "false" "(coll? 1)"]
["seq? list" "true" "(seq? (list 1))"]
["seq? vector" "false" "(seq? [1])"]
["sequential? vector" "true" "(sequential? [1])"]
["associative? map" "true" "(associative? {:a 1})"]
["associative? vec" "true" "(associative? [1])"]
["associative? list" "false" "(associative? '(1 2))"]
["associative? set" "false" "(associative? #{1})"]
["reversible? vec" "true" "(reversible? [1 2])"]
["reversible? list" "false" "(reversible? '(1 2))"]
["reversible? smap" "true" "(reversible? (sorted-map :a 1))"]
["reversible? hmap" "false" "(reversible? (hash-map :a 1))"]
["indexed? vector" "true" "(indexed? [1])"]
["counted? vector" "true" "(counted? [1])"])
(defspec "predicates / idents"
["ident? keyword" "true" "(ident? :a)"]
["ident? symbol" "true" "(ident? (quote a))"]
["simple-keyword?" "true" "(simple-keyword? :a)"]
["qualified-keyword?" "true" "(qualified-keyword? :a/b)"]
["simple-symbol?" "true" "(simple-symbol? (quote a))"]
["qualified-symbol?" "true" "(qualified-symbol? (quote a/b))"]
["name of keyword" "\"a\"" "(name :a)"]
["name of qualified" "\"b\"" "(name :a/b)"]
["namespace" "\"a\"" "(namespace :a/b)"]
["namespace simple" "nil" "(namespace :a)"]
["keyword constructor" ":foo" "(keyword \"foo\")"]
["keyword ns + name" ":a/b" "(keyword \"a\" \"b\")"]
["symbol constructor" "(quote x)" "(symbol \"x\")"]
["name of string" "\"s\"" "(name \"s\")"])
# Predicates moved from Janet to the Clojure overlay (jolt-1j0). Jolt has no
# ratio/bigdecimal types (so ratio?/decimal? are always false, rational?=int?),
# and no distinct host object/undefined types (object?/undefined? always false).
(defspec "predicates / overlay-migrated"
["not-any? true" "true" "(not-any? even? [1 3 5])"]
["not-any? false" "false" "(not-any? even? [1 2 3])"]
["not-every? true" "true" "(not-every? even? [2 4 5])"]
["not-every? false" "false" "(not-every? even? [2 4 6])"]
["ident? number" "false" "(ident? 1)"]
["qualified-ident?" "true" "(qualified-ident? :a/b)"]
["qualified-ident? no" "false" "(qualified-ident? :a)"]
["simple-ident?" "true" "(simple-ident? :a)"]
["ratio?" "false" "(ratio? 3)"]
["decimal?" "false" "(decimal? 3)"]
["rational? int" "true" "(rational? 3)"]
["rational? float" "false" "(rational? 3.5)"]
["nat-int? zero" "true" "(nat-int? 0)"]
["nat-int? neg" "false" "(nat-int? -1)"]
["pos-int?" "true" "(pos-int? 5)"]
["neg-int?" "true" "(neg-int? -3)"]
["NaN? on nan" "true" "(NaN? (/ 0.0 0.0))"]
["NaN? on number" "false" "(NaN? 5)"]
["abs negative" "3" "(abs -3)"]
["abs positive" "2.5" "(abs 2.5)"]
["object?" "false" "(object? 1)"]
["undefined?" "false" "(undefined? 1)"]
["keyword-identical?" "true" "(keyword-identical? :a :a)"]
["keyword-identical? no" "false" "(keyword-identical? :a :b)"])
# Tagged-value predicates moved to the overlay in Phase 4 (read the value's
# :jolt/type via get). The constructors stay native.
(defspec "predicates / tagged-value (Phase 4)"
["atom? yes" "true" "(atom? (atom 1))"]
["atom? no" "false" "(atom? 1)"]
["volatile? yes" "true" "(volatile? (volatile! 1))"]
["volatile? no" "false" "(volatile? (atom 1))"]
["record? yes" "true" "(do (defrecord Rp [a]) (record? (->Rp 1)))"]
["record? no map" "false" "(record? {:a 1})"]
["record? no nil" "false" "(record? nil)"]
["tagged-literal? yes" "true" "(tagged-literal? (tagged-literal (quote inst) \"2020\"))"]
["tagged-literal? no" "false" "(tagged-literal? 1)"]
["reader-conditional? no" "false" "(reader-conditional? 1)"]
["chunked-seq? always false" "false" "(chunked-seq? (seq [1 2 3]))"])
(defspec "predicates / equality & identity"
["= same" "true" "(= 1 1)"]
["= vectors" "true" "(= [1 2] [1 2])"]
["= vector & list" "true" "(= [1 2] (list 1 2))"]
["= maps" "true" "(= {:a 1} {:a 1})"]
["= sets" "true" "(= #{1 2} #{2 1})"]
["= nested" "true" "(= {:a [1 2]} {:a [1 2]})"]
["not= differs" "true" "(not= [1 2] [1 3])"]
["identical? same kw" "true" "(identical? :a :a)"]
["compare strings" "-1" "(compare \"a\" \"b\")"])