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Merge pull request #177 from jonathandturner/fix_numeric_filenames

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Check for barewords that start with a number
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Jonathan Turner 2019-07-16 06:04:00 +12:00 committed by GitHub
commit 59e3ca69f3
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1 changed files with 28 additions and 11 deletions
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39
src/parser/parse/parser.rs
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@ -80,7 +80,7 @@ pub fn raw_integer(input: NomSpan) -> IResult<NomSpan, Spanned<i64>> {
)) ))
}) })
} }
/*
pub fn integer(input: NomSpan) -> IResult<NomSpan, TokenNode> { pub fn integer(input: NomSpan) -> IResult<NomSpan, TokenNode> {
trace_step(input, "integer", move |input| { trace_step(input, "integer", move |input| {
let (input, int) = raw_integer(input)?; let (input, int) = raw_integer(input)?;
@ -88,6 +88,7 @@ pub fn integer(input: NomSpan) -> IResult<NomSpan, TokenNode> {
Ok((input, TokenTreeBuilder::spanned_int(*int, int.span))) Ok((input, TokenTreeBuilder::spanned_int(*int, int.span)))
}) })
} }
*/
pub fn operator(input: NomSpan) -> IResult<NomSpan, TokenNode> { pub fn operator(input: NomSpan) -> IResult<NomSpan, TokenNode> {
trace_step(input, "operator", |input| { trace_step(input, "operator", |input| {
@ -243,22 +244,37 @@ pub fn raw_unit(input: NomSpan) -> IResult<NomSpan, Spanned<Unit>> {
pub fn size(input: NomSpan) -> IResult<NomSpan, TokenNode> { pub fn size(input: NomSpan) -> IResult<NomSpan, TokenNode> {
trace_step(input, "size", move |input| { trace_step(input, "size", move |input| {
let mut is_size = false;
let start = input.offset; let start = input.offset;
let (input, int) = raw_integer(input)?; let (input, int) = raw_integer(input)?;
let (input, unit) = raw_unit(input)?; if let Ok((input, Some(size))) = opt(raw_unit)(input) {
let end = input.offset; let end = input.offset;
Ok(( // Check to make sure there is no trailing parseable characters
input, if let Ok((input, Some(extra))) = opt(bare)(input) {
TokenTreeBuilder::spanned_size((*int, *unit), (start, end)), return Err(nom::Err::Error((input, nom::error::ErrorKind::Char)));
)) }
Ok((
input,
TokenTreeBuilder::spanned_size((*int, *size), (start, end)),
))
} else {
let end = input.offset;
// Check to make sure there is no trailing parseable characters
if let Ok((input, Some(extra))) = opt(bare)(input) {
return Err(nom::Err::Error((input, nom::error::ErrorKind::Char)));
}
Ok((input, TokenTreeBuilder::spanned_int((*int), (start, end))))
}
}) })
} }
pub fn leaf(input: NomSpan) -> IResult<NomSpan, TokenNode> { pub fn leaf(input: NomSpan) -> IResult<NomSpan, TokenNode> {
trace_step(input, "leaf", move |input| { trace_step(input, "leaf", move |input| {
let (input, node) = let (input, node) = alt((size, string, operator, flag, shorthand, var, bare))(input)?;
alt((size, integer, string, operator, flag, shorthand, var, bare))(input)?;
Ok((input, node)) Ok((input, node))
}) })
@ -515,6 +531,7 @@ fn int<T>(frag: &str, neg: Option<T>) -> i64 {
fn is_start_bare_char(c: char) -> bool { fn is_start_bare_char(c: char) -> bool {
match c { match c {
_ if c.is_alphabetic() => true, _ if c.is_alphabetic() => true,
_ if c.is_numeric() => true,
'.' => true, '.' => true,
'\\' => true, '\\' => true,
'/' => true, '/' => true,
@ -598,12 +615,12 @@ mod tests {
#[test] #[test]
fn test_integer() { fn test_integer() {
assert_leaf! { assert_leaf! {
parsers [ integer ] parsers [ size ]
"123" -> 0..3 { Integer(123) } "123" -> 0..3 { Integer(123) }
} }
assert_leaf! { assert_leaf! {
parsers [ integer ] parsers [ size ]
"-123" -> 0..4 { Integer(-123) } "-123" -> 0..4 { Integer(-123) }
} }
} }