schala/schala-repl/src/directives.rs

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use crate::command_tree::CommandTree;
use crate::directive_actions::DirectiveAction;
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pub fn directives_from_pass_names(pass_names: &[String]) -> CommandTree {
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let passes_directives: Vec<CommandTree> = pass_names
.iter()
.map(|pass_name| {
if pass_name == "parsing" {
CommandTree::nonterm(
pass_name,
None,
vec![
CommandTree::nonterm_no_further_tab_completions("compact", None),
CommandTree::nonterm_no_further_tab_completions("expanded", None),
CommandTree::nonterm_no_further_tab_completions("trace", None),
],
)
} else {
CommandTree::nonterm_no_further_tab_completions(pass_name, None)
}
})
.collect();
CommandTree::Top(get_list(&passes_directives, true))
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}
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fn get_list(passes_directives: &[CommandTree], include_help: bool) -> Vec<CommandTree> {
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use DirectiveAction::*;
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vec![
CommandTree::terminal("exit", Some("exit the REPL"), vec![], QuitProgram),
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//TODO there should be an alias for this
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CommandTree::terminal("quit", Some("exit the REPL"), vec![], QuitProgram),
CommandTree::terminal(
"help",
Some("Print this help message"),
if include_help {
get_list(passes_directives, false)
} else {
vec![]
},
Help,
),
CommandTree::nonterm(
"debug",
Some("Configure debug information"),
vec![
CommandTree::terminal(
"list-passes",
Some("List all registered compiler passes"),
vec![],
ListPasses,
),
CommandTree::nonterm(
"total-time",
None,
vec![
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CommandTree::terminal("on", None, vec![], TotalTime(true)),
CommandTree::terminal("off", None, vec![], TotalTime(false)),
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],
),
CommandTree::nonterm(
"stage-times",
Some("Computation time per-stage"),
vec![
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CommandTree::terminal("on", None, vec![], StageTime(true)),
CommandTree::terminal("off", None, vec![], StageTime(false)),
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],
),
],
),
CommandTree::terminal(
"doc",
Some("Get language-specific help for an item"),
vec![],
Doc,
),
]
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}