Will Anderson
f2c63f95fd
Migrates fs_read/write/exists/mkdir/write_bytes/list, exec/exec_bg/exec_command/exec_capture, env/args/exit_program, state_set/get/del/keys, uuid_new/v4, and list helpers get/len from el_runtime.c into El source as thin wrappers over seed primitives.
78 lines
2.5 KiB
EmacsLisp
78 lines
2.5 KiB
EmacsLisp
// runtime/env.el — environment and process
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// Covers: environment variables, command-line args, process exit, in-process
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// state store, UUID generation, and list convenience helpers.
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// env — read an environment variable. Returns "" if the variable is not set.
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fn env(key: String) -> String {
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return __env_get(key)
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}
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// args — command-line arguments as a list of strings.
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// __args_json returns a JSON array (e.g. ["prog","arg1","arg2"]).
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// The list is built by iterating over the array.
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fn args() -> [String] {
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let json: String = __args_json()
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let n: Int = json_array_len(json)
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let result: [String] = el_list_empty()
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let i: Int = 0
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while i < n {
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let item: String = json_array_get_string(json, i)
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let result = el_list_append(result, item)
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let i = i + 1
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}
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return result
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}
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// exit_program — terminate the process with the given exit code.
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fn exit_program(code: Int) {
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__exit_program(code)
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}
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// ── List convenience helpers ───────────────────────────────────────────────
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// get — index into a list. Thin alias for el_list_get used throughout the
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// El stdlib so call sites read like `get(lst, i)` rather than the verbose form.
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fn get(lst: [String], i: Int) -> String {
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return el_list_get(lst, i)
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}
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// len — length of a list.
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fn len(lst: [String]) -> Int {
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return el_list_len(lst)
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}
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// ── In-process key-value state store ──────────────────────────────────────
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// state_set — store a string value under key.
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fn state_set(key: String, val: String) {
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__state_set(key, val)
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}
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// state_get — retrieve value for key; returns "" if key not present.
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fn state_get(key: String) -> String {
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return __state_get(key)
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}
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// state_del — remove key from the store.
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fn state_del(key: String) {
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__state_del(key)
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}
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// state_keys — all keys currently in the store as a JSON array string.
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fn state_keys() -> String {
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return __state_keys()
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}
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// ── UUID generation ────────────────────────────────────────────────────────
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// uuid_new — generate a new random UUID v4.
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fn uuid_new() -> String {
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return __uuid_v4()
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}
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// uuid_v4 — alias for uuid_new(); explicit version name for callers that
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// need to be precise about the UUID variant.
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fn uuid_v4() -> String {
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return __uuid_v4()
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}
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