Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 1351 insertions, 0 deletions

diff --git a/vendor/pest_derive/tests/grammar.pest b/vendor/pest_derive/tests/grammar.pest
new file mode 100644
index 000000000..43a7b8cfd
--- /dev/null
+++ b/vendor/pest_derive/tests/grammar.pest
@@ -0,0 +1,83 @@
+// pest. The Elegant Parser
+// Copyright (c) 2018 Dragoș Tiselice
+//
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+string = { "abc" }
+insensitive = { ^"abc" }
+range = { '0'..'9' }
+ident = { string }
+pos_pred = { &string }
+neg_pred = { !string }
+double_neg_pred = { !!string }
+sequence = !{ string ~ string }
+sequence_compound = ${ string ~ string }
+sequence_atomic = @{ string ~ string }
+sequence_non_atomic = @{ sequence }
+sequence_atomic_compound = @{ sequence_compound }
+sequence_nested = { string ~ string }
+sequence_compound_nested = ${ sequence_nested }
+choice = { string | range }
+optional = { string? }
+repeat = { string* }
+repeat_atomic = @{ string* }
+repeat_once = { string+ }
+repeat_once_atomic = @{ string+ }
+repeat_min_max = { string{2, 3} }
+repeat_min_max_atomic = @{ string{2, 3} }
+repeat_exact = { string{2} }
+repeat_min = { string{2,} }
+repeat_min_atomic = @{ string{2,} }
+repeat_max = { string{, 2} }
+repeat_max_atomic = @{ string{, 2} }
+soi_at_start = { SOI ~ string }
+repeat_mutate_stack = { (PUSH('a'..'c') ~ ",")* ~ POP ~ POP ~ POP }
+peek_ = { PUSH(range) ~ PUSH(range) ~ PEEK ~ PEEK }
+peek_all = { PUSH(range) ~ PUSH(range) ~ PEEK_ALL }
+peek_slice_23 = { PUSH(range) ~ PUSH(range) ~ PUSH(range) ~ PUSH(range) ~ PUSH(range) ~ PEEK[1..-2] }
+pop_ = { PUSH(range) ~ PUSH(range) ~ POP ~ POP }
+pop_all = { PUSH(range) ~ PUSH(range) ~ POP_ALL }
+pop_fail = { PUSH(range) ~ !POP ~ range ~ POP }
+checkpoint_restore = ${
+		PUSH("") ~ (PUSH("a") ~ "b" ~ POP | DROP ~ "b" | POP ~ "a") ~ EOI
+}
+ascii_digits = { ASCII_DIGIT+ }
+ascii_nonzero_digits = { ASCII_NONZERO_DIGIT+ }
+ascii_bin_digits = { ASCII_BIN_DIGIT+ }
+ascii_oct_digits = { ASCII_OCT_DIGIT+ }
+ascii_hex_digits = { ASCII_HEX_DIGIT+ }
+ascii_alpha_lowers = { ASCII_ALPHA_LOWER+ }
+ascii_alpha_uppers = { ASCII_ALPHA_UPPER+ }
+ascii_alphas = { ASCII_ALPHA+ }
+ascii_alphanumerics = { ASCII_ALPHANUMERIC+ }
+asciis = { ASCII+ }
+newline = { NEWLINE+ }
+unicode = { XID_START ~ XID_CONTINUE* }
+SYMBOL = { "shadows builtin" }
+
+WHITESPACE = _{ " " }
+COMMENT = _{ "$"+ }
+
+// Line comment
+
+/* 1-line multiline comment */
+
+/*
+	N-line multiline comment
+*/
+
+/*
+	// Line comment inside multiline
+
+	/*
+		(Multiline inside) multiline
+	*/
+
+	Invalid segment of grammar below (repeated rule)
+
+	WHITESPACE = _{ "hi" }
+*/
diff --git a/vendor/pest_derive/tests/grammar.rs b/vendor/pest_derive/tests/grammar.rs
new file mode 100644
index 000000000..799beb7e0
--- /dev/null
+++ b/vendor/pest_derive/tests/grammar.rs
@@ -0,0 +1,951 @@
+// pest. The Elegant Parser
+// Copyright (c) 2018 Dragoș Tiselice
+//
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+#[macro_use]
+extern crate pest;
+#[macro_use]
+extern crate pest_derive;
+
+#[derive(Parser)]
+#[grammar = "../tests/grammar.pest"]
+struct GrammarParser;
+
+#[test]
+fn string() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::string,
+        tokens: [
+            string(0, 3)
+        ]
+    };
+}
+
+#[test]
+fn insensitive() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "aBC",
+        rule: Rule::insensitive,
+        tokens: [
+            insensitive(0, 3)
+        ]
+    };
+}
+
+#[test]
+fn range() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "6",
+        rule: Rule::range,
+        tokens: [
+            range(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ident() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::ident,
+        tokens: [
+            ident(0, 3, [
+                string(0, 3)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn pos_pred() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::pos_pred,
+        tokens: [
+            pos_pred(0, 0)
+        ]
+    };
+}
+
+#[test]
+fn neg_pred() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "",
+        rule: Rule::neg_pred,
+        tokens: [
+            neg_pred(0, 0)
+        ]
+    };
+}
+
+#[test]
+fn double_neg_pred() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::double_neg_pred,
+        tokens: [
+            double_neg_pred(0, 0)
+        ]
+    };
+}
+
+#[test]
+fn sequence() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc   abc",
+        rule: Rule::sequence,
+        tokens: [
+            sequence(0, 9, [
+                string(0, 3),
+                string(6, 9)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn sequence_compound() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::sequence_compound,
+        tokens: [
+            sequence_compound(0, 6, [
+                string(0, 3),
+                string(3, 6)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn sequence_atomic() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::sequence_atomic,
+        tokens: [
+            sequence_atomic(0, 6)
+        ]
+    };
+}
+
+#[test]
+fn sequence_non_atomic() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc   abc",
+        rule: Rule::sequence_non_atomic,
+        tokens: [
+            sequence_non_atomic(0, 9, [
+                sequence(0, 9, [
+                    string(0, 3),
+                    string(6, 9)
+                ])
+            ])
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn sequence_atomic_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::sequence_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn sequence_atomic_compound() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::sequence_atomic_compound,
+        tokens: [
+            sequence_atomic_compound(0, 6, [
+                sequence_compound(0, 6, [
+                    string(0, 3),
+                    string(3, 6)
+                ])
+            ])
+        ]
+    };
+}
+
+#[test]
+fn sequence_compound_nested() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::sequence_compound_nested,
+        tokens: [
+            sequence_compound_nested(0, 6, [
+                sequence_nested(0, 6, [
+                    string(0, 3),
+                    string(3, 6)
+                ])
+            ])
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn sequence_compound_nested_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::sequence_compound_nested,
+        tokens: []
+    };
+}
+
+#[test]
+fn choice_string() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::choice,
+        tokens: [
+            choice(0, 3, [
+                string(0, 3)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn choice_range() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "0",
+        rule: Rule::choice,
+        tokens: [
+            choice(0, 1, [
+                range(0, 1)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn optional_string() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::optional,
+        tokens: [
+            optional(0, 3, [
+                string(0, 3)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn optional_empty() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "",
+        rule: Rule::optional,
+        tokens: [
+            optional(0, 0)
+        ]
+    };
+}
+
+#[test]
+fn repeat_empty() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "",
+        rule: Rule::repeat,
+        tokens: [
+            repeat(0, 0)
+        ]
+    };
+}
+
+#[test]
+fn repeat_strings() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc   abc",
+        rule: Rule::repeat,
+        tokens: [
+            repeat(0, 9, [
+                string(0, 3),
+                string(6, 9)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn repeat_atomic_empty() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "",
+        rule: Rule::repeat_atomic,
+        tokens: [
+            repeat_atomic(0, 0)
+        ]
+    };
+}
+
+#[test]
+fn repeat_atomic_strings() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::repeat_atomic,
+        tokens: [
+            repeat_atomic(0, 6)
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_atomic_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_once_empty() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "",
+        rule: Rule::repeat_once,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_once_strings() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc   abc",
+        rule: Rule::repeat_once,
+        tokens: [
+            repeat_once(0, 9, [
+                string(0, 3),
+                string(6, 9)
+            ])
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_once_atomic_empty() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "",
+        rule: Rule::repeat_once_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_once_atomic_strings() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::repeat_once_atomic,
+        tokens: [
+            repeat_once_atomic(0, 6)
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_once_atomic_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_once_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_min_max_twice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_min_max,
+        tokens: [
+            repeat_min_max(0, 7, [
+                string(0, 3),
+                string(4, 7)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn repeat_min_max_thrice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc abc",
+        rule: Rule::repeat_min_max,
+        tokens: [
+            repeat_min_max(0, 11, [
+                string(0, 3),
+                string(4, 7),
+                string(8, 11)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn repeat_min_max_atomic_twice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::repeat_min_max_atomic,
+        tokens: [
+            repeat_min_max_atomic(0, 6)
+        ]
+    };
+}
+
+#[test]
+fn repeat_min_max_atomic_thrice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabcabc",
+        rule: Rule::repeat_min_max_atomic,
+        tokens: [
+            repeat_min_max_atomic(0, 9)
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_min_max_atomic_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_min_max_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_exact() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_exact,
+        tokens: [
+            repeat_exact(0, 7, [
+                string(0, 3),
+                string(4, 7)
+            ])
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_min_once() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::repeat_min,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_min_twice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_min,
+        tokens: [
+            repeat_min(0, 7, [
+                string(0, 3),
+                string(4, 7)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn repeat_min_thrice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc  abc",
+        rule: Rule::repeat_min,
+        tokens: [
+            repeat_min(0, 12, [
+                string(0, 3),
+                string(4, 7),
+                string(9, 12)
+            ])
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_min_atomic_once() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::repeat_min_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_min_atomic_twice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::repeat_min_atomic,
+        tokens: [
+            repeat_min_atomic(0, 6)
+        ]
+    };
+}
+
+#[test]
+fn repeat_min_atomic_thrice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabcabc",
+        rule: Rule::repeat_min_atomic,
+        tokens: [
+            repeat_min_atomic(0, 9)
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_min_atomic_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_min_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_max_once() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::repeat_max,
+        tokens: [
+            repeat_max(0, 3, [
+                string(0, 3)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn repeat_max_twice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_max,
+        tokens: [
+            repeat_max(0, 7, [
+                string(0, 3),
+                string(4, 7)
+            ])
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_max_thrice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_max,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_max_atomic_once() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::repeat_max_atomic,
+        tokens: [
+            repeat_max_atomic(0, 3)
+        ]
+    };
+}
+
+#[test]
+fn repeat_max_atomic_twice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabc",
+        rule: Rule::repeat_max_atomic,
+        tokens: [
+            repeat_max_atomic(0, 6)
+        ]
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_max_atomic_thrice() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abcabcabc",
+        rule: Rule::repeat_max_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+#[should_panic]
+fn repeat_max_atomic_space() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc abc",
+        rule: Rule::repeat_max_atomic,
+        tokens: []
+    };
+}
+
+#[test]
+fn repeat_comment() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc$$$ $$$abc",
+        rule: Rule::repeat_once,
+        tokens: [
+            repeat_once(0, 13, [
+                string(0, 3),
+                string(10, 13)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn soi_at_start() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::soi_at_start,
+        tokens: [
+            soi_at_start(0, 3, [
+                string(0, 3)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn peek() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "0111",
+        rule: Rule::peek_,
+        tokens: [
+            peek_(0, 4, [
+                range(0, 1),
+                range(1, 2)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn peek_all() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "0110",
+        rule: Rule::peek_all,
+        tokens: [
+            peek_all(0, 4, [
+                range(0, 1),
+                range(1, 2)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn peek_slice_23() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "0123412",
+        rule: Rule::peek_slice_23,
+        tokens: [
+            peek_slice_23(0, 7, [
+                range(0, 1),
+                range(1, 2),
+                range(2, 3),
+                range(3, 4),
+                range(4, 5),
+            ])
+        ]
+    };
+}
+
+#[test]
+fn pop() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "0110",
+        rule: Rule::pop_,
+        tokens: [
+            pop_(0, 4, [
+                range(0, 1),
+                range(1, 2)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn pop_all() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "0110",
+        rule: Rule::pop_all,
+        tokens: [
+            pop_all(0, 4, [
+                range(0, 1),
+                range(1, 2)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn pop_fail() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "010",
+        rule: Rule::pop_fail,
+        tokens: [
+            pop_fail(0, 3, [
+                range(0, 1),
+                range(1, 2)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn repeat_mutate_stack() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "a,b,c,cba",
+        rule: Rule::repeat_mutate_stack,
+        tokens: [
+            repeat_mutate_stack(0, 9)
+        ]
+    };
+}
+
+#[test]
+fn checkpoint_restore() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "a",
+        rule: Rule::checkpoint_restore,
+        tokens: [
+            checkpoint_restore(0, 1, [EOI(1, 1)])
+        ]
+    };
+}
+
+#[test]
+fn ascii_digits() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "6",
+        rule: Rule::ascii_digits,
+        tokens: [
+            ascii_digits(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ascii_nonzero_digits() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "5",
+        rule: Rule::ascii_nonzero_digits,
+        tokens: [
+            ascii_nonzero_digits(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ascii_bin_digits() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "1",
+        rule: Rule::ascii_bin_digits,
+        tokens: [
+            ascii_bin_digits(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ascii_oct_digits() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "3",
+        rule: Rule::ascii_oct_digits,
+        tokens: [
+            ascii_oct_digits(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ascii_hex_digits() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "6bC",
+        rule: Rule::ascii_hex_digits,
+        tokens: [
+            ascii_hex_digits(0, 3)
+        ]
+    };
+}
+
+#[test]
+fn ascii_alpha_lowers() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "a",
+        rule: Rule::ascii_alpha_lowers,
+        tokens: [
+            ascii_alpha_lowers(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ascii_alpha_uppers() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "K",
+        rule: Rule::ascii_alpha_uppers,
+        tokens: [
+            ascii_alpha_uppers(0, 1)
+        ]
+    };
+}
+
+#[test]
+fn ascii_alphas() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "wF",
+        rule: Rule::ascii_alphas,
+        tokens: [
+            ascii_alphas(0, 2)
+        ]
+    };
+}
+
+#[test]
+fn ascii_alphanumerics() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "4jU",
+        rule: Rule::ascii_alphanumerics,
+        tokens: [
+            ascii_alphanumerics(0, 3)
+        ]
+    };
+}
+
+#[test]
+fn asciis() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "x02",
+        rule: Rule::asciis,
+        tokens: [
+            asciis(0, 3)
+        ]
+    };
+}
+
+#[test]
+fn newline() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "\n\r\n\r",
+        rule: Rule::newline,
+        tokens: [
+            newline(0, 4)
+        ]
+    };
+}
+
+#[test]
+fn unicode() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "نامهای",
+        rule: Rule::unicode,
+        tokens: [
+            unicode(0, 12)
+        ]
+    }
+}
+
+#[test]
+fn shadowing() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "shadows builtin",
+        rule: Rule::SYMBOL,
+        tokens: [
+            SYMBOL(0, 15)
+        ]
+    }
+}
diff --git a/vendor/pest_derive/tests/grammar_inline.rs b/vendor/pest_derive/tests/grammar_inline.rs
new file mode 100644
index 000000000..2cc730afc
--- /dev/null
+++ b/vendor/pest_derive/tests/grammar_inline.rs
@@ -0,0 +1,26 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+#[macro_use]
+extern crate pest;
+#[macro_use]
+extern crate pest_derive;
+
+#[derive(Parser)]
+#[grammar_inline = "string = { \"abc\" }"]
+struct GrammarParser;
+
+#[test]
+fn inline_string() {
+    parses_to! {
+        parser: GrammarParser,
+        input: "abc",
+        rule: Rule::string,
+        tokens: [
+            string(0, 3)
+        ]
+    };
+}
diff --git a/vendor/pest_derive/tests/lists.pest b/vendor/pest_derive/tests/lists.pest
new file mode 100644
index 000000000..47756b764
--- /dev/null
+++ b/vendor/pest_derive/tests/lists.pest
@@ -0,0 +1,18 @@
+// pest. The Elegant Parser
+// Copyright (c) 2018 Dragoș Tiselice
+//
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+item = { (!"\n" ~ ANY)* }
+
+lists        = _{ lines ~ EOI }
+lines        = _{ top_first ~ ("\n" ~ top_continue)* }
+top_first    = _{ "- " ~ item ~ ("\n" ~ children)? }
+top_continue = _{ PEEK_ALL ~ "- " ~ item ~ ("\n" ~ children)? }
+
+indentation = _{ (" " | "\t")+ }
+children    =  { PEEK_ALL ~ PUSH(indentation) ~ lines ~ DROP }
diff --git a/vendor/pest_derive/tests/lists.rs b/vendor/pest_derive/tests/lists.rs
new file mode 100644
index 000000000..4ba0effce
--- /dev/null
+++ b/vendor/pest_derive/tests/lists.rs
@@ -0,0 +1,121 @@
+// pest. The Elegant Parser
+// Copyright (c) 2018 Dragoș Tiselice
+//
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+#[macro_use]
+extern crate pest;
+#[macro_use]
+extern crate pest_derive;
+
+#[derive(Parser)]
+#[grammar = "../tests/lists.pest"]
+struct ListsParser;
+
+#[test]
+fn item() {
+    parses_to! {
+        parser: ListsParser,
+        input: "- a",
+        rule: Rule::lists,
+        tokens: [
+            item(2, 3)
+        ]
+    };
+}
+
+#[test]
+fn items() {
+    parses_to! {
+        parser: ListsParser,
+        input: "- a\n- b",
+        rule: Rule::lists,
+        tokens: [
+            item(2, 3),
+            item(6, 7)
+        ]
+    };
+}
+
+#[test]
+fn children() {
+    parses_to! {
+        parser: ListsParser,
+        input: "  - b",
+        rule: Rule::children,
+        tokens: [
+            children(0, 5, [
+                item(4, 5)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn nested_item() {
+    parses_to! {
+        parser: ListsParser,
+        input: "- a\n  - b",
+        rule: Rule::lists,
+        tokens: [
+            item(2, 3),
+            children(4, 9, [
+                item(8, 9)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn nested_items() {
+    parses_to! {
+        parser: ListsParser,
+        input: "- a\n  - b\n  - c",
+        rule: Rule::lists,
+        tokens: [
+            item(2, 3),
+            children(4, 15, [
+                item(8, 9),
+                item(14, 15)
+            ])
+        ]
+    };
+}
+
+#[test]
+fn nested_two_levels() {
+    parses_to! {
+        parser: ListsParser,
+        input: "- a\n  - b\n    - c",
+        rule: Rule::lists,
+        tokens: [
+            item(2, 3),
+            children(4, 17, [
+                item(8, 9),
+                children(10, 17, [
+                    item(16, 17)
+                ])
+            ])
+        ]
+    };
+}
+
+#[test]
+fn nested_then_not() {
+    parses_to! {
+        parser: ListsParser,
+        input: "- a\n  - b\n- c",
+        rule: Rule::lists,
+        tokens: [
+            item(2, 3),
+            children(4, 9, [
+                item(8, 9)
+            ]),
+            item(12, 13)
+        ]
+    };
+}
diff --git a/vendor/pest_derive/tests/reporting.pest b/vendor/pest_derive/tests/reporting.pest
new file mode 100644
index 000000000..060dbfc20
--- /dev/null
+++ b/vendor/pest_derive/tests/reporting.pest
@@ -0,0 +1,27 @@
+// pest. The Elegant Parser
+// Copyright (c) 2018 Dragoș Tiselice
+//
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+a = { "a" }
+b = { "b" }
+c = { "c" }
+d = { ANY }
+
+choices = _{ a | b | c }
+choices_no_progress = { a | b | c }
+choices_a_progress = { a ~ a | b | c }
+choices_b_progress = { a | b ~ b | c }
+
+level1 = _{ level2 }
+level2 = _{ a | b | c }
+
+negative = _{ !d }
+negative_match = _{ !a ~ b }
+mixed = _{ !d | a }
+mixed_progress = _{ (!d | a | b) ~ a }
+
diff --git a/vendor/pest_derive/tests/reporting.rs b/vendor/pest_derive/tests/reporting.rs
new file mode 100644
index 000000000..aa0a974e0
--- /dev/null
+++ b/vendor/pest_derive/tests/reporting.rs
@@ -0,0 +1,125 @@
+// pest. The Elegant Parser
+// Copyright (c) 2018 Dragoș Tiselice
+//
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT
+// license <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. All files in the project carrying such notice may not be copied,
+// modified, or distributed except according to those terms.
+
+#[macro_use]
+extern crate pest;
+#[macro_use]
+extern crate pest_derive;
+
+#[derive(Parser)]
+#[grammar = "../tests/reporting.pest"]
+struct ReportingParser;
+
+#[test]
+fn choices() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "x",
+        rule: Rule::choices,
+        positives: vec![Rule::a, Rule::b, Rule::c],
+        negatives: vec![],
+        pos: 0
+    };
+}
+
+#[test]
+fn choices_no_progress() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "x",
+        rule: Rule::choices_no_progress,
+        positives: vec![Rule::choices_no_progress],
+        negatives: vec![],
+        pos: 0
+    };
+}
+
+#[test]
+fn choices_a_progress() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "a",
+        rule: Rule::choices_a_progress,
+        positives: vec![Rule::a],
+        negatives: vec![],
+        pos: 1
+    };
+}
+
+#[test]
+fn choices_b_progress() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "b",
+        rule: Rule::choices_b_progress,
+        positives: vec![Rule::b],
+        negatives: vec![],
+        pos: 1
+    };
+}
+
+#[test]
+fn nested() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "x",
+        rule: Rule::level1,
+        positives: vec![Rule::a, Rule::b, Rule::c],
+        negatives: vec![],
+        pos: 0
+    };
+}
+
+#[test]
+fn negative() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "x",
+        rule: Rule::negative,
+        positives: vec![],
+        negatives: vec![Rule::d],
+        pos: 0
+    };
+}
+
+#[test]
+fn negative_match() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "x",
+        rule: Rule::negative_match,
+        positives: vec![Rule::b],
+        negatives: vec![],
+        pos: 0
+    };
+}
+
+#[test]
+fn mixed() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "x",
+        rule: Rule::mixed,
+        positives: vec![Rule::a],
+        negatives: vec![Rule::d],
+        pos: 0
+    };
+}
+
+#[test]
+fn mixed_progress() {
+    fails_with! {
+        parser: ReportingParser,
+        input: "b",
+        rule: Rule::mixed_progress,
+        positives: vec![Rule::a],
+        negatives: vec![],
+        pos: 1
+    };
+}