added while, break
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parent
9565ca41fa
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c3a3c9032a
2 changed files with 43 additions and 0 deletions
10
src/main.rs
10
src/main.rs
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@ -55,6 +55,16 @@ fn log_ast_part(part: &ASTPart, prefix: String) {
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log_ast_part(part, format!("{} ", prefix));
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}
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},
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ASTPart::While(while_part) => {
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println!("{}{}: While:", prefix, while_part.pos);
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println!("{} Condition:", prefix);
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log_ast_part(&while_part.condition, format!("{} ", prefix));
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println!("{} Body:", prefix);
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for part in &while_part.body {
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log_ast_part(part, format!("{} ", prefix));
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}
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},
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ASTPart::Break(brk) => println!("{}{}: Break", prefix, brk.pos),
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ASTPart::NOOP => println!("{}NOOP", prefix)
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}
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}
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@ -15,6 +15,8 @@ pub enum ASTPart {
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VarUpdate(AstVarUpdate),
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Function(AstFunction),
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If(AstIf),
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While(AstWhile),
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Break(AstBreak),
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NOOP
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}
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#[derive(Debug, Clone, PartialEq)]
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@ -78,6 +80,16 @@ pub struct AstIf {
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pub body: Vec<ASTPart>,
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pub pos: usize
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}
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#[derive(Debug, Clone, PartialEq)]
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pub struct AstWhile {
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pub condition: Box<ASTPart>,
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pub body: Vec<ASTPart>,
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pub pos: usize
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}
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#[derive(Debug, Clone, PartialEq)]
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pub struct AstBreak {
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pub pos: usize
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}
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fn is_end(input: &Token, end: &Vec<Token>) -> bool {
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for token in end {
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@ -370,6 +382,27 @@ fn next_operation(pos: &mut usize, input: &Vec<Token>, op_ends: &Vec<Token>, par
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_ => panic!("Expected function body at {}", token.pos)
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};
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return ASTPart::If(AstIf { condition: Box::new(condition), body: real_body, pos: token.pos });
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} else if token.value == "amíg geny" {
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if next_token.typ != TokenType::SEPARATOR || next_token.value != "(" {
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panic!("Expected ( at {}", token.pos);
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}
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*pos += 1;
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let condition_end = vec![
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Token { typ: TokenType::SEPARATOR, value: String::from(")"), pos: 0 }
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];
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let condition = read_exp(pos, input, &condition_end, &condition_end);
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if input[*pos].typ != TokenType::SEPARATOR || input[*pos].value != ")" {
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panic!("Unexpected end of condition at {}", token.pos);
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}
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*pos += 1;
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let body = read_function(input, pos, false);
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let real_body = match body {
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ASTPart::Function(func) => func.body,
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_ => panic!("Expected function body at {}", token.pos)
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};
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return ASTPart::While(AstWhile { condition: Box::new(condition), body: real_body, pos: token.pos });
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} else if token.value == "kraf" {
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return ASTPart::Break(AstBreak { pos: token.pos });
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} else {
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panic!("Unexpected {:?}({}) at {}", token.typ, token.value, token.pos);
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}
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