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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;
7pub(crate) mod assemble;
8pub mod asset_paths;
9mod bytes;
10mod clock;
11mod collections;
12mod compression;
13mod concurrency;
14mod connectors;
15mod cookies;
16mod crypto;
17mod csv;
18mod datetime;
19mod flow;
20mod fs;
21pub(crate) mod hitl;
22mod hitl_read;
23pub mod host;
24pub(crate) mod io;
25mod iter;
26pub(crate) mod json;
27mod json_query;
28mod junit;
29mod logging;
30mod math;
31mod monitors;
32mod multipart;
33mod path;
34mod postgres;
35pub mod process;
36mod project;
37mod project_catalog;
38mod project_enrich;
39mod regex;
40mod review;
41pub(crate) mod sandbox;
42pub mod secret_scan;
43mod sets;
44mod shapes;
45mod skills;
46mod strings;
47pub(crate) mod supervisor;
48pub mod template;
49mod testing;
50pub(crate) mod tools;
51pub mod tracing;
52mod transcript_compact;
53mod triggers_stdlib;
54mod types;
55mod url_parse;
56mod vision;
57pub(crate) mod waitpoint;
58mod waitpoints;
59pub mod workflow_messages;
60
61use crate::http::register_http_builtins;
62use crate::llm::register_llm_builtins;
63use crate::mcp::register_mcp_builtins;
64use crate::mcp_server::register_mcp_server_builtins;
65use crate::vm::Vm;
66
67pub(crate) use crate::schema::{json_to_vm_value, schema_result_value};
68pub(crate) fn set_thread_source_dir(dir: &std::path::Path) {
69    process::set_thread_source_dir(dir);
70}
71
72/// Register core builtins: pure/deterministic, no I/O.
73pub fn register_core_stdlib(vm: &mut Vm) {
74    crate::runtime_context::register_runtime_context_builtins(vm);
75    types::register_type_builtins(vm);
76    math::register_math_builtins(vm);
77    strings::register_string_builtins(vm);
78    json::register_json_builtins(vm);
79    datetime::register_datetime_builtins(vm);
80    regex::register_regex_builtins(vm);
81    bytes::register_bytes_builtins(vm);
82    compression::register_compression_builtins(vm);
83    crypto::register_crypto_builtins(vm);
84    csv::register_csv_builtins(vm);
85    junit::register_junit_builtins(vm);
86    multipart::register_multipart_builtins(vm);
87    url_parse::register_url_builtins(vm);
88    cookies::register_cookie_builtins(vm);
89    path::register_path_helper_builtins(vm);
90    sets::register_set_builtins(vm);
91    collections::register_collection_builtins(vm);
92    iter::register_iter_builtins(vm);
93    shapes::register_shape_builtins(vm);
94    testing::register_testing_builtins(vm);
95    flow::register_flow_builtins(vm);
96}
97
98/// Register I/O builtins (requires OS access).
99pub fn register_io_stdlib(vm: &mut Vm) {
100    io::register_io_builtins(vm);
101    host::register_host_builtins(vm);
102    fs::register_fs_builtins(vm);
103    vision::register_vision_builtins(vm);
104    agent_state::register_agent_state_builtins(vm);
105    process::register_process_builtins(vm);
106    process::register_path_builtins(vm);
107    // Clock builtins overlay process::timestamp/elapsed so they honor
108    // mock_time / advance_time. Register AFTER process to take precedence.
109    clock::register_clock_builtins(vm);
110    project::register_project_builtins(vm);
111    tracing::register_tracing_builtins(vm);
112}
113
114/// Register agent builtins (requires network access and async runtime).
115pub fn register_agent_stdlib(vm: &mut Vm) {
116    concurrency::register_concurrency_builtins(vm);
117    connectors::register_connector_builtins(vm);
118    review::register_review_builtins(vm);
119    secret_scan::register_secret_scan_builtins(vm);
120    tools::register_tool_builtins(vm);
121    skills::register_skill_builtins(vm);
122    agents_daemon::register_daemon_builtins(vm);
123    triggers_stdlib::register_trigger_builtins(vm);
124    postgres::register_postgres_builtins(vm);
125    waitpoints::register_waitpoint_builtins(vm);
126    monitors::register_monitor_builtins(vm);
127    hitl::register_hitl_builtins(vm);
128    hitl_read::register_hitl_read_builtins(vm);
129    waitpoint::register_waitpoint_builtins(vm);
130    supervisor::register_supervisor_builtins(vm);
131    agents::register_agent_builtins(vm);
132    agent_sessions::register_agent_session_builtins(vm);
133    workflow_messages::register_workflow_message_builtins(vm);
134    transcript_compact::register_transcript_compaction_builtins(vm);
135    assemble::register_assemble_context_builtin(vm);
136    crate::egress::register_egress_builtins(vm);
137    register_http_builtins(vm);
138    register_llm_builtins(vm);
139    register_mcp_builtins(vm);
140    register_mcp_server_builtins(vm);
141}
142
143/// Register all standard builtins on a VM (core + io + agent).
144pub fn register_vm_stdlib(vm: &mut Vm) {
145    register_core_stdlib(vm);
146    register_io_stdlib(vm);
147    register_agent_stdlib(vm);
148}
149
150/// Return the canonical list of all stdlib builtin names. Used by
151/// harn-lint and harn-lsp to avoid hardcoded duplicate lists.
152pub fn stdlib_builtin_names() -> Vec<String> {
153    let mut vm = Vm::new();
154    register_vm_stdlib(&mut vm);
155    // Name-only introspection — the path is never accessed, but passing
156    // a real per-platform temp dir keeps the registration logic honest
157    // when the callee someday decides it needs a valid parent.
158    let tmp = std::env::temp_dir();
159    crate::store::register_store_builtins(&mut vm, &tmp);
160    crate::checkpoint::register_checkpoint_builtins(&mut vm, &tmp, "default");
161    crate::metadata::register_metadata_builtins(&mut vm, &tmp);
162    crate::metadata::register_scan_builtins(&mut vm);
163    let mut names = vm.builtin_names();
164    // Special opcodes/keywords, not registered builtins, but linter
165    // should recognize them as valid function calls.
166    for extra in [
167        "spawn",
168        "await",
169        "cancel",
170        "cancel_graceful",
171        "is_cancelled",
172    ] {
173        names.push(extra.to_string());
174    }
175    names
176}
177
178/// Reset thread-local stdlib state. Call between test runs.
179pub fn reset_stdlib_state() {
180    logging::reset_logging_state();
181    process::reset_process_state();
182    clock::reset_clock_state();
183    io::reset_io_state();
184    sandbox::reset_sandbox_state();
185    fs::reset_fs_state();
186    json::reset_json_state();
187    host::reset_host_state();
188    crate::egress::reset_egress_policy_for_host();
189    hitl::reset_hitl_state();
190    crate::http::reset_http_state();
191    monitors::reset_monitor_state();
192    waitpoints::reset_waitpoint_state();
193    waitpoint::reset_waitpoint_state();
194    postgres::reset_postgres_state();
195    supervisor::reset_supervisor_state();
196    agents::records::reset_eval_metrics();
197    agents::records::reset_friction_events();
198    tools::clear_current_tool_registry();
199    vision::reset_vision_state();
200    crate::skills::clear_current_skill_registry();
201    template::reset_prompt_registry();
202}