harn_vm/
stdlib.rs

1//! Standard library builtins for the Harn VM.
2
3mod agent_sessions;
4pub mod agent_state;
5mod agents;
6mod agents_daemon;
7mod bytes;
8mod concurrency;
9mod connectors;
10mod crypto;
11mod datetime;
12mod fs;
13pub(crate) mod hitl;
14mod hitl_read;
15pub mod host;
16mod io;
17mod iter;
18pub(crate) mod json;
19mod logging;
20mod math;
21mod monitors;
22mod path;
23pub mod process;
24mod project;
25mod project_catalog;
26mod project_enrich;
27mod regex;
28mod review;
29pub mod secret_scan;
30mod sets;
31mod shapes;
32mod skills;
33mod strings;
34pub mod template;
35mod testing;
36pub(crate) mod tools;
37pub mod tracing;
38mod transcript_compact;
39mod triggers_stdlib;
40mod types;
41mod vision;
42pub(crate) mod waitpoint;
43mod waitpoints;
44pub mod workflow_messages;
45
46use crate::http::register_http_builtins;
47use crate::llm::register_llm_builtins;
48use crate::mcp::register_mcp_builtins;
49use crate::mcp_server::register_mcp_server_builtins;
50use crate::vm::Vm;
51
52pub(crate) use crate::schema::{json_to_vm_value, schema_result_value};
53pub(crate) fn set_thread_source_dir(dir: &std::path::Path) {
54    process::set_thread_source_dir(dir);
55}
56
57/// Register core builtins: pure/deterministic, no I/O.
58pub fn register_core_stdlib(vm: &mut Vm) {
59    crate::runtime_context::register_runtime_context_builtins(vm);
60    types::register_type_builtins(vm);
61    math::register_math_builtins(vm);
62    strings::register_string_builtins(vm);
63    json::register_json_builtins(vm);
64    datetime::register_datetime_builtins(vm);
65    regex::register_regex_builtins(vm);
66    bytes::register_bytes_builtins(vm);
67    crypto::register_crypto_builtins(vm);
68    path::register_path_helper_builtins(vm);
69    sets::register_set_builtins(vm);
70    iter::register_iter_builtins(vm);
71    shapes::register_shape_builtins(vm);
72    testing::register_testing_builtins(vm);
73}
74
75/// Register I/O builtins (requires OS access).
76pub fn register_io_stdlib(vm: &mut Vm) {
77    io::register_io_builtins(vm);
78    host::register_host_builtins(vm);
79    fs::register_fs_builtins(vm);
80    vision::register_vision_builtins(vm);
81    agent_state::register_agent_state_builtins(vm);
82    process::register_process_builtins(vm);
83    process::register_path_builtins(vm);
84    project::register_project_builtins(vm);
85    tracing::register_tracing_builtins(vm);
86}
87
88/// Register agent builtins (requires network access and async runtime).
89pub fn register_agent_stdlib(vm: &mut Vm) {
90    concurrency::register_concurrency_builtins(vm);
91    connectors::register_connector_builtins(vm);
92    review::register_review_builtins(vm);
93    secret_scan::register_secret_scan_builtins(vm);
94    tools::register_tool_builtins(vm);
95    skills::register_skill_builtins(vm);
96    agents_daemon::register_daemon_builtins(vm);
97    triggers_stdlib::register_trigger_builtins(vm);
98    waitpoints::register_waitpoint_builtins(vm);
99    monitors::register_monitor_builtins(vm);
100    hitl::register_hitl_builtins(vm);
101    hitl_read::register_hitl_read_builtins(vm);
102    waitpoint::register_waitpoint_builtins(vm);
103    agents::register_agent_builtins(vm);
104    agent_sessions::register_agent_session_builtins(vm);
105    workflow_messages::register_workflow_message_builtins(vm);
106    transcript_compact::register_transcript_compaction_builtins(vm);
107    register_http_builtins(vm);
108    register_llm_builtins(vm);
109    register_mcp_builtins(vm);
110    register_mcp_server_builtins(vm);
111}
112
113/// Register all standard builtins on a VM (core + io + agent).
114pub fn register_vm_stdlib(vm: &mut Vm) {
115    register_core_stdlib(vm);
116    register_io_stdlib(vm);
117    register_agent_stdlib(vm);
118}
119
120/// Return the canonical list of all stdlib builtin names. Used by
121/// harn-lint and harn-lsp to avoid hardcoded duplicate lists.
122pub fn stdlib_builtin_names() -> Vec<String> {
123    let mut vm = Vm::new();
124    register_vm_stdlib(&mut vm);
125    let tmp = std::path::PathBuf::from("/tmp");
126    crate::store::register_store_builtins(&mut vm, &tmp);
127    crate::checkpoint::register_checkpoint_builtins(&mut vm, &tmp, "default");
128    crate::metadata::register_metadata_builtins(&mut vm, &tmp);
129    crate::metadata::register_scan_builtins(&mut vm);
130    let mut names = vm.builtin_names();
131    // Special opcodes/keywords, not registered builtins, but linter
132    // should recognize them as valid function calls.
133    for extra in [
134        "spawn",
135        "await",
136        "cancel",
137        "cancel_graceful",
138        "is_cancelled",
139    ] {
140        names.push(extra.to_string());
141    }
142    names
143}
144
145/// Reset thread-local stdlib state. Call between test runs.
146pub fn reset_stdlib_state() {
147    logging::reset_logging_state();
148    process::reset_process_state();
149    fs::reset_fs_state();
150    json::reset_json_state();
151    host::reset_host_state();
152    hitl::reset_hitl_state();
153    monitors::reset_monitor_state();
154    waitpoints::reset_waitpoint_state();
155    waitpoint::reset_waitpoint_state();
156    agents::records::reset_eval_metrics();
157    tools::clear_current_tool_registry();
158    vision::reset_vision_state();
159    crate::skills::clear_current_skill_registry();
160    template::reset_prompt_registry();
161}
harn_vm/stdlib.rs

harn_vm/
stdlib.rs
