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main: Clear screen on mode change

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This commit is contained in:
John
2025-10-20 00:40:22 -04:00
parent 0015ac5f1b
commit 22094f4862
1 changed files with 9 additions and 1 deletions
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10
src/main.rs
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@@ -20,13 +20,17 @@ use std::{
io::{IsTerminal, stdin}, io::{IsTerminal, stdin},
}; };
fn clear() {
print!("\x1b[H\x1b[2J\x1b[3J");
}
fn main() -> Result<(), Box<dyn Error>> { fn main() -> Result<(), Box<dyn Error>> {
if stdin().is_terminal() { if stdin().is_terminal() {
read_and("\x1b[32m", ".>", " >", |line| match line.trim_end() { read_and("\x1b[32m", ".>", " >", |line| match line.trim_end() {
"" => Ok(Response::Continue), "" => Ok(Response::Continue),
"exit" => Ok(Response::Break), "exit" => Ok(Response::Break),
"clear" => { "clear" => {
print!("\x1b[H\x1b[2J"); clear();
Ok(Response::Deny) Ok(Response::Deny)
} }
"lex" => { "lex" => {
@@ -66,6 +70,7 @@ fn main() -> Result<(), Box<dyn Error>> {
} }
fn lex() -> Result<(), Box<dyn Error>> { fn lex() -> Result<(), Box<dyn Error>> {
clear();
read_and("\x1b[93m", " >", "?>", |line| { read_and("\x1b[93m", " >", "?>", |line| {
let mut lexer = Lexer::new(line); let mut lexer = Lexer::new(line);
if line.trim().is_empty() { if line.trim().is_empty() {
@@ -90,6 +95,7 @@ fn lex() -> Result<(), Box<dyn Error>> {
} }
fn exprs() -> Result<(), Box<dyn Error>> { fn exprs() -> Result<(), Box<dyn Error>> {
clear();
read_and("\x1b[93m", ".>", " >", |line| { read_and("\x1b[93m", ".>", " >", |line| {
let mut parser = Parser::new(Lexer::new(line)); let mut parser = Parser::new(Lexer::new(line));
if line.trim().is_empty() { if line.trim().is_empty() {
@@ -113,6 +119,7 @@ fn exprs() -> Result<(), Box<dyn Error>> {
} }
fn pats() -> Result<(), Box<dyn Error>> { fn pats() -> Result<(), Box<dyn Error>> {
clear();
read_and("\x1b[94m", " >", "?>", |line| { read_and("\x1b[94m", " >", "?>", |line| {
let mut parser = Parser::new(Lexer::new(line)); let mut parser = Parser::new(Lexer::new(line));
if line.trim().is_empty() { if line.trim().is_empty() {
@@ -135,6 +142,7 @@ fn pats() -> Result<(), Box<dyn Error>> {
} }
fn tys() -> Result<(), Box<dyn Error>> { fn tys() -> Result<(), Box<dyn Error>> {
clear();
read_and("\x1b[94m", ".>", " >", |line| { read_and("\x1b[94m", ".>", " >", |line| {
let mut parser = Parser::new(Lexer::new(line)); let mut parser = Parser::new(Lexer::new(line));
if line.trim().is_empty() { if line.trim().is_empty() {