harn_vm/
stdlib.rs

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

harn_vm/
stdlib.rs
