Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 269 insertions, 0 deletions

diff --git a/third_party/rust/weedle2/src/literal.rs b/third_party/rust/weedle2/src/literal.rs
new file mode 100644
index 0000000000..295afe583d
--- /dev/null
+++ b/third_party/rust/weedle2/src/literal.rs
@@ -0,0 +1,269 @@
+ast_types! {
+    /// Represents an integer value
+    #[derive(Copy)]
+    enum IntegerLit<'a> {
+        /// Parses `-?[1-9][0-9]*`
+        #[derive(Copy)]
+        Dec(struct DecLit<'a>(
+            &'a str = crate::whitespace::ws(nom::combinator::recognize(nom::sequence::tuple((
+                nom::combinator::opt(nom::character::complete::char('-')),
+                nom::character::complete::one_of("123456789"),
+                nom::bytes::complete::take_while(nom::AsChar::is_dec_digit)
+            )))),
+        )),
+        /// Parses `-?0[Xx][0-9A-Fa-f]+)`
+        #[derive(Copy)]
+        Hex(struct HexLit<'a>(
+            &'a str = crate::whitespace::ws(nom::combinator::recognize(nom::sequence::tuple((
+                nom::combinator::opt(nom::character::complete::char('-')),
+                nom::character::complete::char('0'),
+                nom::character::complete::one_of("xX"),
+                nom::bytes::complete::take_while(nom::AsChar::is_hex_digit)
+            )))),
+        )),
+        /// Parses `-?0[0-7]*`
+        #[derive(Copy)]
+        Oct(struct OctLit<'a>(
+            &'a str = crate::whitespace::ws(nom::combinator::recognize(nom::sequence::tuple((
+                nom::combinator::opt(nom::character::complete::char('-')),
+                nom::character::complete::char('0'),
+                nom::bytes::complete::take_while(nom::AsChar::is_oct_digit)
+            )))),
+        )),
+    }
+
+    /// Represents a string value
+    ///
+    /// Follow `/"[^"]*"/`
+    #[derive(Copy)]
+    struct StringLit<'a>(
+        &'a str = crate::whitespace::ws(nom::sequence::delimited(
+            nom::character::complete::char('"'),
+            nom::bytes::complete::take_while(|c| c != '"'),
+            nom::character::complete::char('"'),
+        )),
+    )
+
+    /// Represents a default literal value. Ex: `34|34.23|"value"|[ ]|true|false|null`
+    #[derive(Copy)]
+    enum DefaultValue<'a> {
+        Boolean(BooleanLit),
+        /// Represents `[ ]`
+        #[derive(Copy, Default)]
+        EmptyArray(struct EmptyArrayLit {
+            open_bracket: term!(OpenBracket),
+            close_bracket: term!(CloseBracket),
+        }),
+        /// Represents `{ }`
+        #[derive(Copy, Default)]
+        EmptyDictionary(struct EmptyDictionaryLit {
+            open_brace: term!(OpenBrace),
+            close_brace: term!(CloseBrace),
+        }),
+        Float(FloatLit<'a>),
+        Integer(IntegerLit<'a>),
+        Null(term!(null)),
+        String(StringLit<'a>),
+    }
+
+    /// Represents `true`, `false`, `34.23`, `null`, `56`, ...
+    #[derive(Copy)]
+    enum ConstValue<'a> {
+        Boolean(BooleanLit),
+        Float(FloatLit<'a>),
+        Integer(IntegerLit<'a>),
+        Null(term!(null)),
+    }
+
+    /// Represents either `true` or `false`
+    #[derive(Copy)]
+    struct BooleanLit(
+        bool = nom::branch::alt((
+            nom::combinator::value(true, weedle!(term!(true))),
+            nom::combinator::value(false, weedle!(term!(false))),
+        )),
+    )
+
+    /// Represents a floating point value, `NaN`, `Infinity`, '+Infinity`
+    #[derive(Copy)]
+    enum FloatLit<'a> {
+        /// Parses `/-?(([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([Ee][+-]?[0-9]+)?|[0-9]+[Ee][+-]?[0-9]+)/`
+        #[derive(Copy)]
+        Value(struct FloatValueLit<'a>(
+            &'a str = crate::whitespace::ws(nom::combinator::recognize(nom::sequence::tuple((
+                nom::combinator::opt(nom::character::complete::char('-')),
+                nom::branch::alt((
+                    nom::combinator::value((), nom::sequence::tuple((
+                        // (?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)
+                        nom::branch::alt((
+                            nom::sequence::tuple((
+                                nom::bytes::complete::take_while1(nom::AsChar::is_dec_digit),
+                                nom::character::complete::char('.'),
+                                nom::bytes::complete::take_while(nom::AsChar::is_dec_digit),
+                            )),
+                            nom::sequence::tuple((
+                                nom::bytes::complete::take_while(nom::AsChar::is_dec_digit),
+                                nom::character::complete::char('.'),
+                                nom::bytes::complete::take_while1(nom::AsChar::is_dec_digit),
+                            )),
+                        )),
+                        // (?:[Ee][+-]?[0-9]+)?
+                        nom::combinator::opt(nom::sequence::tuple((
+                            nom::character::complete::one_of("eE"),
+                            nom::combinator::opt(nom::character::complete::one_of("+-")),
+                            nom::bytes::complete::take_while1(nom::AsChar::is_dec_digit),
+                        ))),
+                    ))),
+                    // [0-9]+[Ee][+-]?[0-9]+
+                    nom::combinator::value((), nom::sequence::tuple((
+                        nom::bytes::complete::take_while1(nom::AsChar::is_dec_digit),
+                        nom::character::complete::one_of("eE"),
+                        nom::combinator::opt(nom::character::complete::one_of("+-")),
+                        nom::bytes::complete::take_while1(nom::AsChar::is_dec_digit),
+                    ))),
+                )),
+            )))),
+        )),
+        NegInfinity(term!(-Infinity)),
+        Infinity(term!(Infinity)),
+        NaN(term!(NaN)),
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::term::*;
+    use crate::Parse;
+
+    test!(should_parse_integer { "45" =>
+        "";
+        IntegerLit => IntegerLit::Dec(DecLit("45"))
+    });
+
+    test!(should_parse_integer_surrounding_with_spaces { "  123123  " =>
+        "";
+        IntegerLit => IntegerLit::Dec(DecLit("123123"))
+    });
+
+    test!(should_parse_integer_preceding_others { "3453 string" =>
+        "string";
+        IntegerLit => IntegerLit::Dec(DecLit("3453"))
+    });
+
+    test!(should_parse_neg_integer { "-435" =>
+        "";
+        IntegerLit => IntegerLit::Dec(DecLit("-435"))
+    });
+
+    test!(should_parse_hex_number { "0X08" =>
+        "";
+        IntegerLit => IntegerLit::Hex(HexLit("0X08"))
+    });
+
+    test!(should_parse_hex_large_number { "0xA" =>
+        "";
+        IntegerLit => IntegerLit::Hex(HexLit("0xA"))
+    });
+
+    test!(should_parse_zero { "0" =>
+        "";
+        IntegerLit => IntegerLit::Oct(OctLit("0"))
+    });
+
+    test!(should_parse_oct_number { "-07561" =>
+        "";
+        IntegerLit => IntegerLit::Oct(OctLit("-07561"))
+    });
+
+    test!(should_parse_float { "45.434" =>
+        "";
+        FloatLit => FloatLit::Value(FloatValueLit("45.434"))
+    });
+
+    test!(should_parse_float_surrounding_with_spaces { "  2345.2345  " =>
+        "";
+        FloatLit => FloatLit::Value(FloatValueLit("2345.2345"))
+    });
+
+    test!(should_parse_float_preceding_others { "3453.32334 string" =>
+        "string";
+        FloatLit => FloatLit::Value(FloatValueLit("3453.32334"))
+    });
+
+    test!(should_parse_neg_float { "-435.3435" =>
+        "";
+        FloatLit => FloatLit::Value(FloatValueLit("-435.3435"))
+    });
+
+    test!(should_parse_float_exp { "3e23" =>
+        "";
+        FloatLit => FloatLit::Value(FloatValueLit("3e23"))
+    });
+
+    test!(should_parse_float_exp_with_decimal { "5.3434e23" =>
+        "";
+        FloatLit => FloatLit::Value(FloatValueLit("5.3434e23"))
+    });
+
+    test!(should_parse_neg_infinity { "-Infinity" =>
+        "";
+        FloatLit => FloatLit::NegInfinity(term!(-Infinity))
+    });
+
+    test!(should_parse_infinity { "Infinity" =>
+        "";
+        FloatLit => FloatLit::Infinity(term!(Infinity))
+    });
+
+    test!(should_parse_string { r#""this is a string""# =>
+        "";
+        StringLit => StringLit("this is a string")
+    });
+
+    test!(should_parse_string_surround_with_spaces { r#"  "this is a string"  "# =>
+        "";
+        StringLit => StringLit("this is a string")
+    });
+
+    test!(should_parse_string_followed_by_string { r#" "this is first"  "this is second" "# =>
+        r#""this is second" "#;
+        StringLit => StringLit("this is first")
+    });
+
+    test!(should_parse_string_with_spaces { r#"  "  this is a string  "  "# =>
+        "";
+        StringLit => StringLit("  this is a string  ")
+    });
+
+    test!(should_parse_string_with_comment { r#"  "// this is still a string"
+     "# =>
+        "";
+        StringLit => StringLit("// this is still a string")
+    });
+
+    test!(should_parse_string_with_multiline_comment { r#"  "/*"  "*/"  "# =>
+        r#""*/"  "#;
+        StringLit => StringLit("/*")
+    });
+
+    test!(should_parse_null { "null" =>
+        "";
+        Null => Null
+    });
+
+    test!(should_parse_empty_array { "[]" =>
+        "";
+        EmptyArrayLit => Default::default()
+    });
+
+    test!(should_parse_bool_true { "true" =>
+        "";
+        BooleanLit => BooleanLit(true)
+    });
+
+    test!(should_parse_bool_false { "false" =>
+        "";
+        BooleanLit => BooleanLit(false)
+    });
+}