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add order of operations to the parser ( . | + - | * / % | == != < <= > >= | = )

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mark 2023-05-23 12:20:36 +02:00
parent 7af9902b6a
commit 14d1995d8b
1 changed files with 30 additions and 17 deletions
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47
mers/src/parsing/parse.rs
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@ -840,8 +840,16 @@ pub mod implementation {
// special characters that can follow a statement (loop because these can be chained)
loop {
file.skip_whitespaces();
// most local (a.b)
// 010 .
// 020 + -
// 025 * / %
// 050 == != > < >= <=
// 200 =
// least local (a == b) | -> a.b == c + 2 works as expected
out = match (chain_level, file.peek()) {
(0..=200, Some('.'))
// 010 .
(0..=10, Some('.'))
if !matches!(
file.get_char(file.get_pos().current_char_index + 1),
Some('.')
@ -849,7 +857,7 @@ pub mod implementation {
{
file.next();
let err_start_of_wrapper = *file.get_pos();
let wrapper = parse_statement_adv(file, true, 250)?;
let wrapper = parse_statement_adv(file, true, 11)?;
let err_end_of_wrapper = *file.get_pos();
match *wrapper.statement {
SStatementEnum::FunctionCall(func, args) => {
@ -891,49 +899,52 @@ pub mod implementation {
}
}
}
(0..=100, Some('+')) => {
// 20 + -
(0..=20, Some('+')) => {
file.next();
SStatementEnum::FunctionCall(
"add".to_owned(),
// AMONG
vec![out, parse_statement_adv(file, true, 100)?],
vec![out, parse_statement_adv(file, false, 21)?],
)
.to()
}
(0..=100, Some('-')) => {
(0..=20, Some('-')) => {
file.next();
SStatementEnum::FunctionCall(
"sub".to_owned(),
// US
vec![out, parse_statement_adv(file, true, 100)?],
vec![out, parse_statement_adv(file, false, 21)?],
)
.to()
}
(0..=100, Some('*')) => {
// 025 * / %
(0..=25, Some('*')) => {
file.next();
SStatementEnum::FunctionCall(
"mul".to_owned(),
vec![out, parse_statement_adv(file, true, 100)?],
vec![out, parse_statement_adv(file, false, 26)?],
)
.to()
}
(0..=100, Some('/')) => {
(0..=25, Some('/')) => {
file.next();
SStatementEnum::FunctionCall(
"div".to_owned(),
// RED SUSSY MOGUS MAN
vec![out, parse_statement_adv(file, true, 100)?],
vec![out, parse_statement_adv(file, false, 26)?],
)
.to()
}
(0..=100, Some('%')) => {
(0..=25, Some('%')) => {
file.next();
SStatementEnum::FunctionCall(
"mod".to_owned(),
vec![out, parse_statement_adv(file, true, 100)?],
vec![out, parse_statement_adv(file, false, 26)?],
)
.to()
}
// 050 == != > >= < <=
(0..=50, Some('>')) => {
file.next();
SStatementEnum::FunctionCall(
@ -943,7 +954,7 @@ pub mod implementation {
} else {
"gt".to_owned()
},
vec![out, parse_statement_adv(file, true, 50)?],
vec![out, parse_statement_adv(file, false, 51)?],
)
.to()
}
@ -956,7 +967,7 @@ pub mod implementation {
} else {
"lt".to_owned()
},
vec![out, parse_statement_adv(file, true, 50)?],
vec![out, parse_statement_adv(file, false, 51)?],
)
.to()
}
@ -970,7 +981,7 @@ pub mod implementation {
file.next();
SStatementEnum::FunctionCall(
"eq".to_owned(),
vec![out, parse_statement_adv(file, true, 50)?],
vec![out, parse_statement_adv(file, false, 51)?],
)
.to()
}
@ -984,11 +995,12 @@ pub mod implementation {
file.next();
SStatementEnum::FunctionCall(
"ne".to_owned(),
vec![out, parse_statement_adv(file, true, 50)?],
vec![out, parse_statement_adv(file, false, 51)?],
)
.to()
}
(0..=10, Some('=')) => {
// 200 =
(0..=200, Some('=')) => {
file.next();
match out.statement.as_mut() {
SStatementEnum::Variable(name, r) => {
@ -1000,6 +1012,7 @@ pub mod implementation {
}
_ => {}
}
// NOTE: Set this 0 to 201 to prevent a = b = c from being valid
parse_statement(file)?.output_to(out, 0)
}
_ => break,