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[Syntax] Parse function call inside a binding

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This commit is contained in:
Araozu 2023-11-04 06:52:46 -05:00
parent 799cda1bf0
commit c02e1c1f8e
2 changed files with 11 additions and 10 deletions
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7
src/syntax/binding.rs
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@ -7,6 +7,7 @@ use crate::utils::Result3;
pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParseResult<Binding, ()> { pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParseResult<Binding, ()> {
let mut current_pos = pos; let mut current_pos = pos;
/* /*
* val/var keyword * val/var keyword
*/ */
@ -80,8 +81,9 @@ pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParseResult<Binding,
}); });
} }
}; };
current_pos += 1;
let (expression, _next) = match expression::try_parse(tokens, current_pos + 1) { let (expression, next_pos) = match expression::try_parse(tokens, current_pos) {
ParseResult::Ok(exp, next) => (exp, next), ParseResult::Ok(exp, next) => (exp, next),
_ => { _ => {
return ParseResult::Err(SyntaxError { return ParseResult::Err(SyntaxError {
@ -91,6 +93,7 @@ pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParseResult<Binding,
}); });
} }
}; };
current_pos = next_pos;
let binding = if is_val { let binding = if is_val {
Binding::Val(ValBinding { Binding::Val(ValBinding {
@ -106,7 +109,7 @@ pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParseResult<Binding,
}) })
}; };
ParseResult::Ok(binding, current_pos + 2) ParseResult::Ok(binding, current_pos)
} }
#[cfg(test)] #[cfg(test)]

14
src/syntax/expression.rs
View File

@ -1,4 +1,4 @@
use super::{ast::Expression, ParseResult}; use super::{ast::Expression, functions::function_call, ParseResult};
use crate::lexic::token::{Token, TokenType}; use crate::lexic::token::{Token, TokenType};
/// An expression can be: /// An expression can be:
@ -9,14 +9,12 @@ use crate::lexic::token::{Token, TokenType};
/// - An identifier /// - An identifier
/// - A function call /// - A function call
pub fn try_parse(tokens: &Vec<Token>, pos: usize) -> ParseResult<Expression, ()> { pub fn try_parse(tokens: &Vec<Token>, pos: usize) -> ParseResult<Expression, ()> {
/*
match function_call::try_parse(tokens, pos) { match function_call::try_parse(tokens, pos) {
super::ParseResult::Ok(_, _) => todo!(), super::ParseResult::Ok(function_call, next_pos) => {
super::ParseResult::Err(_) => todo!(), return ParseResult::Ok::<_, ()>(Expression::FunctionCall(function_call), next_pos)
super::ParseResult::Mismatch(_) => todo!(), }
super::ParseResult::Unmatched => todo!(), _ => {}
} };
*/
match tokens.get(pos) { match tokens.get(pos) {
Some(token) => match token.token_type { Some(token) => match token.token_type {