87 lines
2.9 KiB
Rust
87 lines
2.9 KiB
Rust
//! Using/namespace-related environment flags
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//!
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//! This module groups all `using` system and namespace flags.
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//! Use this for IDE autocomplete to discover using/namespace flags easily.
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use super::env_bool;
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use super::warn_alias_once;
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pub fn enable_using() -> bool {
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// Phase 15: デフォルトON（using systemはメイン機能）
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// NYASH_ENABLE_USING=0 で明示的に無効化可能。HAKO_ENABLE_USING は互換のため受理（警告）。
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match std::env::var("NYASH_ENABLE_USING").ok().as_deref() {
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Some("0") | Some("false") | Some("off") => return false,
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Some(_) => return true,
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None => {}
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}
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// Fallback to alias
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if let Some(v) = std::env::var("HAKO_ENABLE_USING").ok() {
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warn_alias_once("HAKO_ENABLE_USING", "NYASH_ENABLE_USING");
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let lv = v.to_ascii_lowercase();
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return !(lv == "0" || lv == "false" || lv == "off");
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}
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true // default ON
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}
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// ---- Using profiles (dev|ci|prod) ----
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/// Return using profile string; default is "dev".
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pub fn using_profile() -> String {
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std::env::var("NYASH_USING_PROFILE").unwrap_or_else(|_| "dev".to_string())
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}
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/// True when using profile is prod (disables some dev-only behaviors).
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pub fn using_is_prod() -> bool {
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using_profile().eq_ignore_ascii_case("prod")
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}
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/// True when using profile is ci.
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pub fn using_is_ci() -> bool {
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using_profile().eq_ignore_ascii_case("ci")
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}
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/// True when using profile is dev (default).
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pub fn using_is_dev() -> bool {
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using_profile().eq_ignore_ascii_case("dev")
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}
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/// Allow `using "path"` statements in source (dev-only by default).
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pub fn allow_using_file() -> bool {
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// SSOT 徹底: 全プロファイルで既定禁止（nyash.toml を唯一の真実に）
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// 明示オーバーライドでのみ許可（開発用緊急時）
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match std::env::var("NYASH_ALLOW_USING_FILE").ok().as_deref() {
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Some("1") | Some("true") | Some("on") => true,
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_ => false,
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}
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}
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/// Determine whether AST prelude merge for `using` is enabled.
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/// Precedence:
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/// 1) Explicit env `NYASH_USING_AST` = 1/true/on → enabled, = 0/false/off → disabled
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/// 2) Default by profile: dev/ci → ON, prod → OFF
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pub fn using_ast_enabled() -> bool {
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match std::env::var("NYASH_USING_AST")
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.ok()
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.as_deref()
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.map(|v| v.to_ascii_lowercase())
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{
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Some(ref s) if s == "1" || s == "true" || s == "on" => true,
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Some(ref s) if s == "0" || s == "false" || s == "off" => false,
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_ => !using_is_prod(), // dev/ci → true, prod → false
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}
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}
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// ---- Using/resolve diagnostics ----
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pub fn resolve_trace() -> bool {
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env_bool("NYASH_RESOLVE_TRACE")
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}
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pub fn resolve_seam_debug() -> bool {
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env_bool("NYASH_RESOLVE_SEAM_DEBUG")
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}
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pub fn resolve_dump_merged_path() -> Option<String> {
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std::env::var("NYASH_RESOLVE_DUMP_MERGED")
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.ok()
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.filter(|s| !s.is_empty())
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}
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