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fix assorted issues relating to cutting keys off early

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This commit is contained in:
abbie 2024-01-16 22:49:32 +00:00
parent aa1408eaf3
commit c83183e0e8
Signed by: threeoh6000
GPG key ID: 801FE4AD456E922C
4 changed files with 143 additions and 7 deletions
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2
Cargo.toml
View file

@ -1,6 +1,6 @@
[package]
name = "frostwalker"
version = "0.0.3"
version = "0.0.4"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

8
src/lexer.rs
View file

@ -27,6 +27,7 @@ pub fn tokenize(source: &str) -> Vec<Token> {
let mut tree: Vec<Token> = vec![];
for line in lines {
println!("{}", line);
let mut added = false;
let mut words: Vec<&str> = line.split(" ").collect();
let mut i = 0;
@ -138,6 +139,13 @@ pub fn tokenize(source: &str) -> Vec<Token> {
break;
}
if words.len() - i < 2 && tree[tree.len()-1].class == Class::NEWLINE {
tree.push(Token { class: Class::IDENTIFIER, value: Some(words[i].to_string()) });
added = true;
i = i + 1;
continue;
}
tree.push(Token { class: Class::UNKNOWN, value: Some(words[i].to_string()) });
i = i + 1;
}

50
src/validator.rs
View file

@ -7,6 +7,8 @@ enum ExpectedClass {
EQUALS,
NEWLINE,
LITERALORSEPARATOR,
LITERAL,
SEPARATOR,
}
pub fn validate(tree: &Vec<Token>) -> Option<String> {
@ -14,6 +16,7 @@ pub fn validate(tree: &Vec<Token>) -> Option<String> {
let mut i = 0;
let mut line = 1;
while i < tree.len() {
if tree[i].class == Class::NEWLINE && i == 0 {
i = i + 1;
line = line + 1;
@ -27,12 +30,11 @@ pub fn validate(tree: &Vec<Token>) -> Option<String> {
continue;
}
if tree[i].class == Class::UNKNOWN {
return Some(format!("Invalid token {} at line {}.", tree[i].value.clone().unwrap_or("None".to_string()), line));
}
if tree[i].class == Class::IDENTIFIER && expected_token == ExpectedClass::IDENTIFIER {
i = i + 1;
if tree.len() - i == 0 {
return Some(format!("Key left undefined on line {}.", line));
}
expected_token = ExpectedClass::EQUALS;
continue;
}
@ -40,6 +42,9 @@ pub fn validate(tree: &Vec<Token>) -> Option<String> {
if tree[i].class == Class::EQUALS && expected_token == ExpectedClass::EQUALS {
i = i + 1;
expected_token = ExpectedClass::LITERALORSEPARATOR;
if tree.len() - i == 0 {
return Some(format!("Key left undefined on line {}.", line));
}
continue;
}
@ -49,7 +54,44 @@ pub fn validate(tree: &Vec<Token>) -> Option<String> {
continue;
}
if (tree[i].class == Class::LITERAL || tree[i].class == Class::BOOLEAN) && expected_token == ExpectedClass::LITERAL {
i = i + 1;
expected_token = ExpectedClass::SEPARATOR;
continue;
}
if tree[i].class == Class::SEPARATOR && expected_token == ExpectedClass::LITERALORSEPARATOR {
if tree[i].value.clone().unwrap_or("".to_string()) == "[".to_string() {
expected_token = ExpectedClass::LITERAL;
i = i + 1;
if tree.len() - i == 0 {
return Some(format!("Key left undefined on line {}.", line));
}
continue;
} else {
return Some(format!("Invalid use of separator syntax on line {}.", line));
}
}
if tree[i].class == Class::SEPARATOR && expected_token == ExpectedClass::SEPARATOR {
if tree[i].value.clone().unwrap_or("".to_string()) == "]".to_string() {
expected_token = ExpectedClass::NEWLINE;
i = i + 1;
continue;
} else if tree[i].value.clone().unwrap_or("".to_string()) == ",".to_string() {
expected_token = ExpectedClass::LITERAL;
i = i + 1;
continue;
} else {
return Some(format!("Invalid use of separator syntax on line {}.", line));
}
}
if tree[i].value.is_none() {
return Some(format!("{:?} found where {:?} expected at line {}.", tree[i].class, expected_token, line));
} else {
return Some(format!("{:?} {} found where {:?} expected at line {}.", tree[i].class, tree[i].value.clone().unwrap_or("None".to_string()), expected_token, line));
}
}
return None;
}

88
src/validator_tests.rs
View file

@ -11,6 +11,92 @@ fn single_key() {
assert_eq!(result.is_none(), true);
}
#[test]
fn single_key_array() {
let id = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
let op = Token { class: Class::EQUALS, value: None };
let t1 = Token { class: Class::SEPARATOR, value: Some("[".to_string()) };
let strn = Token { class: Class::LITERAL, value: Some("value".to_string()) };
let t2 = Token { class: Class::SEPARATOR, value: Some(",".to_string()) };
let strn2 = Token { class: Class::LITERAL, value: Some("6".to_string()) };
let t3 = Token { class: Class::SEPARATOR, value: Some("]".to_string()) };
let result = validator::validate(&vec![id, op, t1, strn, t2, strn2, t3]);
assert_eq!(result.is_none(), true);
}
#[test]
fn double_array() {
let id = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
let op = Token { class: Class::EQUALS, value: None };
let t1 = Token { class: Class::SEPARATOR, value: Some("[".to_string()) };
let strn = Token { class: Class::LITERAL, value: Some("value".to_string()) };
let t2 = Token { class: Class::SEPARATOR, value: Some(",".to_string()) };
let t4 = Token { class: Class::SEPARATOR, value: Some("[".to_string()) };
let strn2 = Token { class: Class::LITERAL, value: Some("6".to_string()) };
let t3 = Token { class: Class::SEPARATOR, value: Some("]".to_string()) };
let t5 = Token { class: Class::SEPARATOR, value: Some("]".to_string()) };
let result = validator::validate(&vec![id, op, t1, strn, t2, t4, strn2, t3, t5]);
assert_eq!(result.unwrap_or("".to_string()), "SEPARATOR [ found where LITERAL expected at line 1.");
}
#[test]
fn long_array() {
let id = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
let op = Token { class: Class::EQUALS, value: None };
let t1 = Token { class: Class::SEPARATOR, value: Some("[".to_string()) };
let strn = Token { class: Class::LITERAL, value: Some("value".to_string()) };
let t2 = Token { class: Class::SEPARATOR, value: Some(",".to_string()) };
let strn2 = Token { class: Class::LITERAL, value: Some("6".to_string()) };
let t3 = Token { class: Class::SEPARATOR, value: Some(",".to_string()) };
let strn3 = Token { class: Class::LITERAL, value: Some("7".to_string()) };
let t4 = Token { class: Class::SEPARATOR, value: Some(",".to_string()) };
let strn4 = Token { class: Class::LITERAL, value: Some("8".to_string()) };
let t5 = Token { class: Class::SEPARATOR, value: Some(",".to_string()) };
let strn5 = Token { class: Class::BOOLEAN, value: Some("true".to_string()) };
let t6 = Token { class: Class::SEPARATOR, value: Some("]".to_string()) };
let result = validator::validate(&vec![id, op, t1, strn, t2, strn2, t3, strn3, t4, strn4, t5, strn5, t6]);
assert_eq!(result.is_none(), true);
}
#[test]
fn stray_element_with_no_value() {
let t1 = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
let t2 = Token { class: Class::EQUALS, value: None };
let t4 = Token { class: Class::EQUALS, value: None };
let t3 = Token { class: Class::LITERAL, value: Some("10".to_string()) };
let result = validator::validate(&vec![t1, t2, t4, t3]);
assert_eq!(result.unwrap_or("".to_string()), "EQUALS found where LITERALORSEPARATOR expected at line 1.".to_string());
}
#[test]
fn unknown_element() {
let t1 = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
let t4 = Token { class: Class::EQUALS, value: None };
let t3 = Token { class: Class::UNKNOWN, value: Some("10".to_string()) };
let result = validator::validate(&vec![t1, t4, t3]);
assert_eq!(result.unwrap_or("".to_string()), "UNKNOWN 10 found where LITERALORSEPARATOR expected at line 1.".to_string());
}
#[test]
fn stray_element_with_no_value_on_newline() {
let at1 = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
let at2 = Token { class: Class::EQUALS, value: None };
let at3 = Token { class: Class::LITERAL, value: Some("10".to_string()) };
let nl = Token { class: Class::NEWLINE, value: None };
let t1 = Token { class: Class::IDENTIFIER, value: Some("key2".to_string()) };
let t2 = Token { class: Class::EQUALS, value: None };
let t4 = Token { class: Class::EQUALS, value: None };
let t3 = Token { class: Class::LITERAL, value: Some("11".to_string()) };
let result = validator::validate(&vec![at1, at2, at3, nl, t1, t2, t4, t3]);
assert_eq!(result.unwrap_or("".to_string()), "EQUALS found where LITERALORSEPARATOR expected at line 2.".to_string());
}
#[test]
fn triple_key() {
let t1 = Token { class: Class::IDENTIFIER, value: Some("key".to_string()) };
@ -35,5 +121,5 @@ fn triple_key_no_newline() {
let t6 = Token { class: Class::LITERAL, value: Some("13".to_string()) };
let result = validator::validate(&vec![t1, t2, t3, t4, t5, t6]);
assert_eq!(result.unwrap_or("".to_string()), "IDENTIFIER found where NEWLINE expected at line 1.".to_string());
assert_eq!(result.unwrap_or("".to_string()), "IDENTIFIER key2 found where NEWLINE expected at line 1.".to_string());
}