directive-related cleanup
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@ -2,19 +2,15 @@ use super::{Repl, InterpreterDirectiveOutput};
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use crate::repl::directive_actions::DirectiveAction;
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use colored::*;
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pub type BoxedCommandFunction = Box<(fn(&mut Repl, &[&str]) -> Option<String>)>;
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/// A CommandTree is either a `Terminal` or a `NonTerminal`. When command parsing reaches the first
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/// Terminal, it will use the `DirectiveAction` found there to find an appropriate function to execute,
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/// and then execute it with any remaining arguments
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//TODO remove function: BoxedCommandFunction
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#[derive(Clone)]
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pub enum CommandTree {
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Terminal {
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name: String,
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children: Vec<CommandTree>,
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help_msg: Option<String>,
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function: BoxedCommandFunction,
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action: DirectiveAction,
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},
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NonTerminal {
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@ -32,12 +28,8 @@ impl CommandTree {
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CommandTree::NonTerminal {name: s.to_string(), help_msg: help.map(|x| x.to_string()), children: vec![], action: DirectiveAction::Null }
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}
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pub fn terminal(s: &str, help: Option<&str>, children: Vec<CommandTree>, function: BoxedCommandFunction) -> CommandTree {
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CommandTree::Terminal {name: s.to_string(), help_msg: help.map(|x| x.to_string()), function, children, action: DirectiveAction::Null }
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}
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pub fn terminal_act(s: &str, help: Option<&str>, children: Vec<CommandTree>, action: DirectiveAction) -> CommandTree {
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CommandTree::Terminal {name: s.to_string(), help_msg: help.map(|x| x.to_string()), function: Box::new(|_,_| { None }), children, action}
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pub fn terminal(s: &str, help: Option<&str>, children: Vec<CommandTree>, action: DirectiveAction) -> CommandTree {
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CommandTree::Terminal {name: s.to_string(), help_msg: help.map(|x| x.to_string()), children, action}
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}
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pub fn nonterm(s: &str, help: Option<&str>, children: Vec<CommandTree>) -> CommandTree {
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@ -1,10 +1,5 @@
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use std::fmt::Write as FmtWrite;
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use crate::repl::Repl;
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use crate::repl::command_tree::CommandTree;
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use crate::repl::directive_actions::DirectiveAction;
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use crate::language::{LangMetaRequest, LangMetaResponse, DebugAsk, DebugResponse};
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pub fn directives_from_pass_names(pass_names: &Vec<String>) -> CommandTree {
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use DirectiveAction::*;
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@ -14,23 +9,23 @@ pub fn directives_from_pass_names(pass_names: &Vec<String>) -> CommandTree {
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.collect();
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CommandTree::Top(vec![
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CommandTree::terminal_act("exit", Some("exit the REPL"), vec![], QuitProgram),
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CommandTree::terminal_act("quit", Some("exit the REPL"), vec![], QuitProgram),
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CommandTree::terminal_act("help", Some("Print this help message"), vec![], Help),
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CommandTree::terminal("exit", Some("exit the REPL"), vec![], QuitProgram),
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CommandTree::terminal("quit", Some("exit the REPL"), vec![], QuitProgram),
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CommandTree::terminal("help", Some("Print this help message"), vec![], Help),
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CommandTree::nonterm("debug",
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Some("Configure debug information"),
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vec![
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CommandTree::terminal_act("list-passes", Some("List all registered compiler passes"), vec![], ListPasses),
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CommandTree::terminal_act("show-immediate", None, passes_directives.clone(), ShowImmediate),
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CommandTree::terminal_act("show", None, passes_directives.clone(), Show),
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CommandTree::terminal_act("hide", None, passes_directives.clone(), Hide),
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CommandTree::terminal("list-passes", Some("List all registered compiler passes"), vec![], ListPasses),
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CommandTree::terminal("show-immediate", None, passes_directives.clone(), ShowImmediate),
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CommandTree::terminal("show", None, passes_directives.clone(), Show),
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CommandTree::terminal("hide", None, passes_directives.clone(), Hide),
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CommandTree::nonterm("total-time", None, vec![
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CommandTree::terminal_act("on", None, vec![], TotalTimeOn),
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CommandTree::terminal_act("off", None, vec![], TotalTimeOff),
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CommandTree::terminal("on", None, vec![], TotalTimeOn),
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CommandTree::terminal("off", None, vec![], TotalTimeOff),
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]),
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CommandTree::nonterm("stage-times", Some("Computation time per-stage"), vec![
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CommandTree::terminal_act("on", None, vec![], StageTimeOn),
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CommandTree::terminal_act("off", None, vec![], StageTimeOff),
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CommandTree::terminal("on", None, vec![], StageTimeOn),
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CommandTree::terminal("off", None, vec![], StageTimeOff),
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])
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]
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),
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@ -42,7 +37,7 @@ pub fn directives_from_pass_names(pass_names: &Vec<String>) -> CommandTree {
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CommandTree::nonterm("go", None, vec![]),
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]
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),
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CommandTree::terminal_act("doc", Some("Get language-specific help for an item"), vec![], Doc),
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CommandTree::terminal("doc", Some("Get language-specific help for an item"), vec![], Doc),
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])
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}
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@ -8,7 +8,7 @@ ComputationRequest, ComputationResponse,
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DebugAsk, LangMetaResponse, LangMetaRequest};
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mod command_tree;
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use self::command_tree::{CommandTree, BoxedCommandFunction};
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use self::command_tree::CommandTree;
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mod repl_options;
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use repl_options::ReplOptions;
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mod directive_actions;
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