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unnecessary variable i on parser

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selimaj-dev
2024-04-03 18:44:45 +02:00
parent 5eb7361a4a
commit 5e7871eac9
1 changed files with 10 additions and 11 deletions
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src/parser.rs
+10 -11
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@@ -46,7 +46,7 @@ pub fn parse(tokens: &mut Vec<Token>) -> Box<Vec<Ast>> {
]; ];
let tokens_len = tokens.len(); let tokens_len = tokens.len();
let mut ast: Vec<Ast> = Vec::new(); let mut ast: Vec<Ast> = Vec::new();
let mut i = 0; // let mut i = 0;
while tokens.len()>0 { while tokens.len()>0 {
for ast_node in &ast_def { for ast_node in &ast_def {
if tokens_len < ast_node.ast_match.len() { if tokens_len < ast_node.ast_match.len() {
@@ -57,8 +57,8 @@ pub fn parse(tokens: &mut Vec<Token>) -> Box<Vec<Ast>> {
for ast_match in &ast_node.ast_match { for ast_match in &ast_node.ast_match {
match ast_match { match ast_match {
AstDef::Normal(token_type) => { AstDef::Normal(token_type) => {
if &tokens[i].token_type == token_type { if &tokens[0].token_type == token_type {
matched.push(tokens[i].clone()); matched.push(tokens[0].clone());
tokens.drain(0..1); tokens.drain(0..1);
is_match = true; is_match = true;
} else { } else {
@@ -67,8 +67,8 @@ pub fn parse(tokens: &mut Vec<Token>) -> Box<Vec<Ast>> {
} }
} }
AstDef::NormalValue(token_type, token_value) => { AstDef::NormalValue(token_type, token_value) => {
if &tokens[i].token_type == token_type && &tokens[i].token_values == token_value { if &tokens[0].token_type == token_type && &tokens[0].token_values == token_value {
matched.push(tokens[i].clone()); matched.push(tokens[0].clone());
tokens.drain(0..1); tokens.drain(0..1);
is_match = true; is_match = true;
} else { } else {
@@ -80,8 +80,8 @@ pub fn parse(tokens: &mut Vec<Token>) -> Box<Vec<Ast>> {
loop { loop {
let mut node_match = false; let mut node_match = false;
for &node_ in nodes { for &node_ in nodes {
if node_ == tokens[i].token_type { if node_ == tokens[0].token_type {
matched.push(tokens[i].clone()); matched.push(tokens[0].clone());
node_match = true; node_match = true;
tokens.drain(0..1); tokens.drain(0..1);
} }
@@ -94,15 +94,15 @@ pub fn parse(tokens: &mut Vec<Token>) -> Box<Vec<Ast>> {
} }
} }
AstDef::Optional(token_type) => { AstDef::Optional(token_type) => {
if &tokens[i].token_type == token_type { if &tokens[0].token_type == token_type {
matched.push(tokens[i].clone()); matched.push(tokens[0].clone());
tokens.drain(0..1); tokens.drain(0..1);
is_match = true; is_match = true;
break; break;
} }
} }
AstDef::Else => { AstDef::Else => {
matched.push(tokens[i].clone()); matched.push(tokens[0].clone());
tokens.drain(0..1); tokens.drain(0..1);
is_match = true; is_match = true;
} }
@@ -110,7 +110,6 @@ pub fn parse(tokens: &mut Vec<Token>) -> Box<Vec<Ast>> {
} }
} }
if is_match { if is_match {
i = 0;
ast.push(Ast {values: matched, type_: ast_node.ast_type.clone()}); ast.push(Ast {values: matched, type_: ast_node.ast_type.clone()});
matched = Vec::new(); matched = Vec::new();
break; break;