From dfc08ff2c6580bbeb3951b223e0332546ba3b0d9 Mon Sep 17 00:00:00 2001 From: Greg Brown Date: Thu, 6 May 2021 19:40:59 +0100 Subject: Introduce lambda expressions. --- autochomp/benches/parse.rs | 173 ----------------------------------- autochomp/benches/parse/data/12.nb | 1 + autochomp/benches/parse/data/1548.nb | 40 ++++++++ autochomp/benches/parse/data/194.nb | 7 ++ autochomp/benches/parse/data/24.nb | 1 + autochomp/benches/parse/data/3096.nb | 82 +++++++++++++++++ autochomp/benches/parse/data/387.nb | 13 +++ autochomp/benches/parse/data/48.nb | 2 + autochomp/benches/parse/data/774.nb | 21 +++++ autochomp/benches/parse/data/97.nb | 3 + autochomp/benches/parse/main.rs | 64 +++++++++++++ 11 files changed, 234 insertions(+), 173 deletions(-) delete mode 100644 autochomp/benches/parse.rs create mode 100644 autochomp/benches/parse/data/12.nb create mode 100644 autochomp/benches/parse/data/1548.nb create mode 100644 autochomp/benches/parse/data/194.nb create mode 100644 autochomp/benches/parse/data/24.nb create mode 100644 autochomp/benches/parse/data/3096.nb create mode 100644 autochomp/benches/parse/data/387.nb create mode 100644 autochomp/benches/parse/data/48.nb create mode 100644 autochomp/benches/parse/data/774.nb create mode 100644 autochomp/benches/parse/data/97.nb create mode 100644 autochomp/benches/parse/main.rs (limited to 'autochomp/benches') diff --git a/autochomp/benches/parse.rs b/autochomp/benches/parse.rs deleted file mode 100644 index a42543a..0000000 --- a/autochomp/benches/parse.rs +++ /dev/null @@ -1,173 +0,0 @@ -use std::error::Error; - -use chewed::{IterWrapper, Parser}; -use chomp::{ - chomp::ast::{Function, NamedExpression}, - nibble, -}; -use criterion::{ - criterion_group, criterion_main, AxisScale, BenchmarkId, Criterion, PlotConfiguration, - Throughput, -}; - -const INPUTS: &[&str] = &[ - r##"match _ : None | "a" : Some;"##, - r##"let opt(x) = _ : None | "a" : Some; - match [plus](("a" : First) . (opt(plus) : Next));"##, - r##"let opt(x) = _ : None | x : Some; - let plus(x) = [plus]((x : First) . (opt(plus) : Next)); - let star(x) = opt(plus(x)); - match [rec]("a" : Base | "b" . rec : Step);"##, - r##"let opt(x) = _ : None | x : Some; - let plus(x) = [plus]((x : First) . (opt(plus) : Next)); - let star(x) = opt(plus(x)); - let star_(base, step) = [rec](base : Base | step . rec : Step); - let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; - let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; - let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; - match "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9";"##, - r##"let opt(x) = _ : None | x : Some; - let plus(x) = [plus]((x : First) . (opt(plus) : Next)); - let star(x) = opt(plus(x)); - let star_(base, step) = [rec](base : Base | step . rec : Step); - let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; - let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; - let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; - let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | - "a" | "b" | "c" | "d" | "e" | "f" | - "A" | "B" | "C" | "D" | "E" | "F" ; - let XID_Start = - "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | - "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | - "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | - "y" | "z" ; - match "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" ;"##, - r##"let opt(x) = _ : None | x : Some; - let plus(x) = [plus]((x : First) . (opt(plus) : Next)); - let star(x) = opt(plus(x)); - let star_(base, step) = [rec](base : Base | step . rec : Step); - let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; - let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; - let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; - let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | - "a" | "b" | "c" | "d" | "e" | "f" | - "A" | "B" | "C" | "D" | "E" | "F" ; - let XID_Start = - "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | - "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | - "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | - "y" | "z" | - "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | - "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | - "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | - "Y" | "Z" ; - let XID_Continue = - XID_Start | "_" | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ; - let literal_char = - (" " | "!" | "#" | "$" | "%" | "&" | "'" | - "(" | ")" | "*" | "+" | "," | "-" | "." | "/" | - "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | - "8" | "9" | ":" | ";" | "<" | "=" | ">" | "?" | - "@" | "A" | "B" | "C" | "D" | "E" | "F" | "G" | - "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | - "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | - "X" | "Y" | "Z" | "[" | "]" | "^" | "_" | - "`" | "a" | "b" | "c" | "d" | "e" | "f" | "g" ); - match "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" ;"##, - r##"let opt(x) = _ : None | x : Some; - let plus(x) = [plus]((x : First) . (opt(plus) : Next)); - let star(x) = opt(plus(x)); - let star_(base, step) = [rec](base : Base | step . rec : Step); - let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; - let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; - let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; - let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | - "a" | "b" | "c" | "d" | "e" | "f" | - "A" | "B" | "C" | "D" | "E" | "F" ; - let XID_Start = - "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | - "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | - "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | - "y" | "z" | - "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | - "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | - "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | - "Y" | "Z" ; - let XID_Continue = - XID_Start | "_" | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ; - let literal_char = - (" " | "!" | "#" | "$" | "%" | "&" | "'" | - "(" | ")" | "*" | "+" | "," | "-" | "." | "/" | - "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | - "8" | "9" | ":" | ";" | "<" | "=" | ">" | "?" | - "@" | "A" | "B" | "C" | "D" | "E" | "F" | "G" | - "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | - "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | - "X" | "Y" | "Z" | "[" | "]" | "^" | "_" | - "`" | "a" | "b" | "c" | "d" | "e" | "f" | "g" | - "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" | - "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | - "x" | "y" | "z" | "{" | "|" | "}" | "~") : Literal | - "\\" . ( - ("\"" | "'" | "n" | "r" | "t" | "\\" | "0") : Ascii | - "x" . oct_digit . hex_digit : Oct | - "u{" .hex_digit - .opt(hex_digit - .opt(hex_digit - .opt(hex_digit - .opt(hex_digit . opt(hex_digit))))) . "}" : Unicode - ) : Escape ; - let ws = plus(Pattern_Whitespace); - let punctuated(x, p) = [rec]((x : First) . (opt(p . opt(ws) . rec) : Next)); - let list(x) = "(" . opt(ws) . [rec]((x : First) . (opt("," . opt(ws) . opt(rec)) : Next)) . ")"; - let epsilon = "_"; - let ident = XID_Start . star(XID_Continue); - let literal = "\"" . (plus(literal_char) : Contents) . "\""; - let parens(expr) = "(" . opt(ws) . (expr : Inner) . ")"; - let fix(expr) = "[" . opt(ws) . (ident : Arg) . opt(ws) . "]" . opt(ws) . (parens(expr) : Inner); - let term(expr) = - epsilon . opt(ws) : Epsilon - | literal . opt(ws) : Literal - | parens(expr) . opt(ws) : Parens - | fix(expr) . opt(ws) : Fix - | ident . opt(ws) . opt(list(expr) . opt(ws)) : CallOrVariable - ; - let label = ":" . opt(ws) . (ident : Label) . opt(ws); - let cat(expr) = punctuated(term(expr), "."); - let alt(expr) = punctuated((cat(expr) : Cat) . (opt(label) : Name), "|"); - let expr = [expr](alt(expr)); - let let = "let" . ws . (ident : Name) . opt(ws) . (opt(list(ident . opt(ws)) . opt(ws)) : Args) . "=" . opt(ws) . (expr : Expr) . ";" . opt(ws); - let goal = "match" . ws . (expr : Expr) . ";" . opt(ws); - match star_(star_(goal : Goal, let : Let), Pattern_Whitespace);"##, -]; - -fn parse_autochomp(input: &str) -> Result<(Vec, NamedExpression), Box> { - IterWrapper::new(input.chars()) - .parse::() - .map_err(|e| Box::new(e) as Box) - .and_then(|ast| ast.convert().map_err(|e| Box::new(e) as Box)) -} - -fn parse_chomp(input: &str) -> Result<(Vec, NamedExpression), Box> { - syn::parse_str::(input) - .map_err(|e| Box::new(e) as Box) - .and_then(|file| file.convert().map_err(|e| Box::new(e) as Box)) -} - -fn bench_parse(c: &mut Criterion) { - let plot_config = PlotConfiguration::default().summary_scale(AxisScale::Logarithmic); - let mut group = c.benchmark_group("Parse"); - group.plot_config(plot_config); - for (i, input) in INPUTS.iter().enumerate() { - group.throughput(Throughput::Bytes(input.len() as u64)); - group.bench_with_input(BenchmarkId::new("Chomp", i), *input, |b, i| { - b.iter(|| parse_chomp(i)) - }); - group.bench_with_input(BenchmarkId::new("AutoChomp", i), *input, |b, i| { - b.iter(|| parse_autochomp(i)) - }); - } -} - -criterion_group!(benches, bench_parse); -criterion_main!(benches); diff --git a/autochomp/benches/parse/data/12.nb b/autochomp/benches/parse/data/12.nb new file mode 100644 index 0000000..eaa4670 --- /dev/null +++ b/autochomp/benches/parse/data/12.nb @@ -0,0 +1 @@ +match "ab"; diff --git a/autochomp/benches/parse/data/1548.nb b/autochomp/benches/parse/data/1548.nb new file mode 100644 index 0000000..cabdfe9 --- /dev/null +++ b/autochomp/benches/parse/data/1548.nb @@ -0,0 +1,40 @@ +let bot = !(/rec/ "a" . rec); +let zero = /zero suc/ zero; +let suc n = /zero suc/ suc (n zero suc); + +let opt some = _ : None | some; +let plus iter = !(/plus/ iter . (opt plus)); +let star iter = opt (plus iter); + +let up_to x n = n bot (/rec/ x . opt rec); + +let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; + +let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; +let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; +let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | + "a" | "b" | "c" | "d" | "e" | "f" | + "A" | "B" | "C" | "D" | "E" | "F" ; + +let XID_Start = + "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | + "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | + "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | + "y" | "z" | + "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | + "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | + "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | + "Y" | "Z" ; +let XID_Continue = + XID_Start | "_" | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ; + +match + (" " | "!" | "#" | "$" | "%" | "&" | "'" | + "(" | ")" | "*" | "+" | "," | "-" | "." | "/" | + "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | + "8" | "9" | ":" | ";" | "<" | "=" | ">" | "?" | + "@" | "A" | "B" | "C" | "D" | "E" | "F" | "G" | + "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | + "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | + "X"|"Y" + ); diff --git a/autochomp/benches/parse/data/194.nb b/autochomp/benches/parse/data/194.nb new file mode 100644 index 0000000..01730c6 --- /dev/null +++ b/autochomp/benches/parse/data/194.nb @@ -0,0 +1,7 @@ +let bot = !(/rec/ "a" . rec); +let zero = /zero suc/ zero; +let suc n = /zero suc/ suc (n zero suc); + +let opt some = _ : None | some; +let plus iter = !(/plus/ iter . (opt plus)); +match opt "ab"; diff --git a/autochomp/benches/parse/data/24.nb b/autochomp/benches/parse/data/24.nb new file mode 100644 index 0000000..f960c3b --- /dev/null +++ b/autochomp/benches/parse/data/24.nb @@ -0,0 +1 @@ +match !(/rec/ "a".rec); diff --git a/autochomp/benches/parse/data/3096.nb b/autochomp/benches/parse/data/3096.nb new file mode 100644 index 0000000..f90100c --- /dev/null +++ b/autochomp/benches/parse/data/3096.nb @@ -0,0 +1,82 @@ +let bot = !(/rec/ "a" . rec); +let zero = /zero suc/ zero; +let suc n = /zero suc/ suc (n zero suc); + +let opt some = _ : None | some; +let plus iter = !(/plus/ iter . (opt plus)); +let star iter = opt (plus iter); + +let up_to x n = n bot (/rec/ x . opt rec); + +let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; + +let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; +let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; +let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | + "a" | "b" | "c" | "d" | "e" | "f" | + "A" | "B" | "C" | "D" | "E" | "F" ; + +let XID_Start = + "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | + "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | + "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | + "y" | "z" | + "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | + "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | + "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | + "Y" | "Z" ; +let XID_Continue = + XID_Start | "_" | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ; + +let literal_char = + (" " | "!" | "#" | "$" | "%" | "&" | "'" | + "(" | ")" | "*" | "+" | "," | "-" | "." | "/" | + "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | + "8" | "9" | ":" | ";" | "<" | "=" | ">" | "?" | + "@" | "A" | "B" | "C" | "D" | "E" | "F" | "G" | + "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | + "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | + "X" | "Y" | "Z" | "[" | "]" | "^" | "_" | + "`" | "a" | "b" | "c" | "d" | "e" | "f" | "g" | + "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" | + "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | + "x" | "y" | "z" | "{" | "|" | "}" | "~") : Literal | + "\\" . ( + ("\"" | "'" | "n" | "r" | "t" | "\\" | "0") : Ascii | + "x" . oct_digit . hex_digit : Oct | + "u{" . up_to hex_digit (suc (suc (suc (suc (suc (suc zero)))))) . "}" : Unicode + ) : Escape ; + +let ws = plus Pattern_Whitespace; +let ows = opt ws; + +let list inner = !(/list/ inner . opt (ws . opt list)); +let separated inner sep = !(/separated/ inner . opt (sep . ows . separated)); + +let epsilon = "_"; +let ident = XID_Start . star XID_Continue; +let literal = "\"" . (plus literal_char : Contents) . "\""; +let fix term = "!" . ows . term; +let parens expr = "(" . ows . expr . ")"; + +let names = list ident; + +let term expr = !(/term/ + epsilon : Epsilon + | literal : Literal + | parens expr : Parens + | fix term : Fix + | ident : Variable + ); + +let label = ":" . ows . ident . ows; + +let call expr = list (term expr); +let cat expr = separated (call expr) "."; +let alt expr = separated (cat expr . opt label : Labelled) "|"; +let lambda expr = "/" . ows . names . "/" . ows . alt expr; +let expr = !(/expr/ alt expr | lambda expr); +let goal = "match" . ws . expr . ";" . ows; +let let stmt = "let" . ws . names . "=" . ows . expr . ";" . ows . stmt; +let stmt = !(/stmt/ let stmt | goal); +match !(/skip/ Pattern_Whitespace . skip | stmt); diff --git a/autochomp/benches/parse/data/387.nb b/autochomp/benches/parse/data/387.nb new file mode 100644 index 0000000..0f60b89 --- /dev/null +++ b/autochomp/benches/parse/data/387.nb @@ -0,0 +1,13 @@ +let bot = !(/rec/ "a" . rec); +let zero = /zero suc/ zero; +let suc n = /zero suc/ suc (n zero suc); + +let opt some = _ : None | some; +let plus iter = !(/plus/ iter . (opt plus)); +let star iter = opt (plus iter); + +let up_to x n = n bot (/rec/ x . opt rec); + +let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; + +match = "0" |"1"; diff --git a/autochomp/benches/parse/data/48.nb b/autochomp/benches/parse/data/48.nb new file mode 100644 index 0000000..7059bb8 --- /dev/null +++ b/autochomp/benches/parse/data/48.nb @@ -0,0 +1,2 @@ +let bot = !(/rec/ "a" . rec); +match /zero/zero; diff --git a/autochomp/benches/parse/data/774.nb b/autochomp/benches/parse/data/774.nb new file mode 100644 index 0000000..89c22ca --- /dev/null +++ b/autochomp/benches/parse/data/774.nb @@ -0,0 +1,21 @@ +let bot = !(/rec/ "a" . rec); +let zero = /zero suc/ zero; +let suc n = /zero suc/ suc (n zero suc); + +let opt some = _ : None | some; +let plus iter = !(/plus/ iter . (opt plus)); +let star iter = opt (plus iter); + +let up_to x n = n bot (/rec/ x . opt rec); + +let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}"; + +let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ; +let digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"; +let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | + "a" | "b" | "c" | "d" | "e" | "f" | + "A" | "B" | "C" | "D" | "E" | "F" ; + +match + "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | + "i" | "j" | "k" | "l"; diff --git a/autochomp/benches/parse/data/97.nb b/autochomp/benches/parse/data/97.nb new file mode 100644 index 0000000..d0d00f9 --- /dev/null +++ b/autochomp/benches/parse/data/97.nb @@ -0,0 +1,3 @@ +let bot = !(/rec/ ("a" . rec)); +let zero = /zero suc/ zero; +match (/zero suc/ suc (_ zero suc)); diff --git a/autochomp/benches/parse/main.rs b/autochomp/benches/parse/main.rs new file mode 100644 index 0000000..64fd88a --- /dev/null +++ b/autochomp/benches/parse/main.rs @@ -0,0 +1,64 @@ +use std::error::Error; + +use chewed::{IterWrapper, Parser}; +use chomp::{ + chomp::ast::NamedExpression, + nibble::{ + self, + convert::{Context, Convert}, + }, +}; +use criterion::{ + criterion_group, criterion_main, AxisScale, BenchmarkId, Criterion, PlotConfiguration, + Throughput, +}; + +const INPUTS: &[&str] = &[ + include_str!("data/12.nb"), + include_str!("data/24.nb"), + include_str!("data/48.nb"), + include_str!("data/97.nb"), + include_str!("data/194.nb"), + include_str!("data/387.nb"), + include_str!("data/774.nb"), + include_str!("data/1548.nb"), + include_str!("data/3096.nb"), + +]; + +fn parse_autochomp(input: &str) -> Result> { + IterWrapper::new(input.chars()) + .parse::() + .map_err(|e| Box::new(e) as Box) + .and_then(|ast| { + ast.convert(&mut Context::default()) + .map_err(|e| Box::new(e) as Box) + }) +} + +fn parse_chomp(input: &str) -> Result> { + syn::parse_str::(input) + .map_err(|e| Box::new(e) as Box) + .and_then(|stmt| { + stmt.convert(&mut Context::default()) + .map_err(|e| Box::new(e) as Box) + }) +} + +fn bench_parse(c: &mut Criterion) { + let plot_config = PlotConfiguration::default().summary_scale(AxisScale::Logarithmic); + let mut group = c.benchmark_group("Parse"); + group.plot_config(plot_config); + for (i, input) in INPUTS.iter().enumerate() { + group.throughput(Throughput::Bytes(input.len() as u64)); + group.bench_with_input(BenchmarkId::new("Chomp", i), *input, |b, i| { + b.iter(|| parse_chomp(i)) + }); + group.bench_with_input(BenchmarkId::new("AutoChomp", i), *input, |b, i| { + b.iter(|| parse_autochomp(i)) + }); + } +} + +criterion_group!(benches, bench_parse); +criterion_main!(benches); -- cgit v1.2.3