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merge dev, add tests

This commit is contained in:
dark64 2021-10-14 21:44:21 +02:00
commit 740b7ee935
41 changed files with 830 additions and 568 deletions

363
Cargo.lock generated
View file

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checksum = "b9f5105d4fdaab20335ca9565e106a5d9b82b6219b5ba735731124ac6711d23d"
dependencies = [
"unicode-xid 0.2.2",
]
@ -1545,11 +1545,11 @@ dependencies = [
[[package]]
name = "quote"
version = "1.0.9"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05"
dependencies = [
"proc-macro2 1.0.27",
"proc-macro2 1.0.29",
]
[[package]]
@ -1681,9 +1681,9 @@ dependencies = [
[[package]]
name = "redox_syscall"
version = "0.2.9"
version = "0.2.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5ab49abadf3f9e1c4bc499e8845e152ad87d2ad2d30371841171169e9d75feee"
checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
dependencies = [
"bitflags",
]
@ -1760,9 +1760,9 @@ dependencies = [
[[package]]
name = "rustc-demangle"
version = "0.1.20"
version = "0.1.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dead70b0b5e03e9c814bcb6b01e03e68f7c57a80aa48c72ec92152ab3e818d49"
checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
[[package]]
name = "rustc_version"
@ -1838,29 +1838,29 @@ dependencies = [
[[package]]
name = "serde"
version = "1.0.126"
version = "1.0.130"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
dependencies = [
"serde_derive",
]
[[package]]
name = "serde_derive"
version = "1.0.126"
version = "1.0.130"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
checksum = "d7bc1a1ab1961464eae040d96713baa5a724a8152c1222492465b54322ec508b"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"syn 1.0.73",
"proc-macro2 1.0.29",
"quote 1.0.10",
"syn 1.0.80",
]
[[package]]
name = "serde_json"
version = "1.0.64"
version = "1.0.68"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
checksum = "0f690853975602e1bfe1ccbf50504d67174e3bcf340f23b5ea9992e0587a52d8"
dependencies = [
"itoa",
"ryu",
@ -1893,9 +1893,9 @@ dependencies = [
[[package]]
name = "sha2"
version = "0.9.5"
version = "0.9.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b362ae5752fd2137731f9fa25fd4d9058af34666ca1966fb969119cc35719f12"
checksum = "b69f9a4c9740d74c5baa3fd2e547f9525fa8088a8a958e0ca2409a514e33f5fa"
dependencies = [
"block-buffer 0.9.0",
"cfg-if 1.0.0",
@ -1930,9 +1930,9 @@ dependencies = [
[[package]]
name = "slab"
version = "0.4.3"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f173ac3d1a7e3b28003f40de0b5ce7fe2710f9b9dc3fc38664cebee46b3b6527"
checksum = "c307a32c1c5c437f38c7fd45d753050587732ba8628319fbdf12a7e289ccc590"
[[package]]
name = "strsim"
@ -1942,9 +1942,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
[[package]]
name = "subtle"
version = "2.4.0"
version = "2.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
[[package]]
name = "syn"
@ -1959,24 +1959,24 @@ dependencies = [
[[package]]
name = "syn"
version = "1.0.73"
version = "1.0.80"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
checksum = "d010a1623fbd906d51d650a9916aaefc05ffa0e4053ff7fe601167f3e715d194"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"proc-macro2 1.0.29",
"quote 1.0.10",
"unicode-xid 0.2.2",
]
[[package]]
name = "synstructure"
version = "0.12.4"
version = "0.12.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"syn 1.0.73",
"proc-macro2 1.0.29",
"quote 1.0.10",
"syn 1.0.80",
"unicode-xid 0.2.2",
]
@ -2042,9 +2042,9 @@ dependencies = [
[[package]]
name = "tinyvec"
version = "1.2.0"
version = "1.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
checksum = "f83b2a3d4d9091d0abd7eba4dc2710b1718583bd4d8992e2190720ea38f391f7"
dependencies = [
"tinyvec_macros",
]
@ -2057,9 +2057,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
[[package]]
name = "tracing"
version = "0.1.26"
version = "0.1.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09adeb8c97449311ccd28a427f96fb563e7fd31aabf994189879d9da2394b89d"
checksum = "375a639232caf30edfc78e8d89b2d4c375515393e7af7e16f01cd96917fb2105"
dependencies = [
"cfg-if 1.0.0",
"pin-project-lite",
@ -2069,20 +2069,20 @@ dependencies = [
[[package]]
name = "tracing-attributes"
version = "0.1.15"
version = "0.1.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c42e6fa53307c8a17e4ccd4dc81cf5ec38db9209f59b222210375b54ee40d1e2"
checksum = "f4f480b8f81512e825f337ad51e94c1eb5d3bbdf2b363dcd01e2b19a9ffe3f8e"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"syn 1.0.73",
"proc-macro2 1.0.29",
"quote 1.0.10",
"syn 1.0.80",
]
[[package]]
name = "tracing-core"
version = "0.1.18"
version = "0.1.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a9ff14f98b1a4b289c6248a023c1c2fa1491062964e9fed67ab29c4e4da4a052"
checksum = "1f4ed65637b8390770814083d20756f87bfa2c21bf2f110babdc5438351746e4"
[[package]]
name = "typed-arena"
@ -2092,9 +2092,9 @@ checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
[[package]]
name = "typenum"
version = "1.13.0"
version = "1.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
checksum = "b63708a265f51345575b27fe43f9500ad611579e764c79edbc2037b1121959ec"
[[package]]
name = "ucd-trie"
@ -2119,12 +2119,9 @@ dependencies = [
[[package]]
name = "unicode-bidi"
version = "0.3.5"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
dependencies = [
"matches",
]
checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
[[package]]
name = "unicode-normalization"
@ -2137,9 +2134,9 @@ dependencies = [
[[package]]
name = "unicode-width"
version = "0.1.8"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
[[package]]
name = "unicode-xid"
@ -2220,9 +2217,9 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
[[package]]
name = "wasm-bindgen"
version = "0.2.74"
version = "0.2.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d54ee1d4ed486f78874278e63e4069fc1ab9f6a18ca492076ffb90c5eb2997fd"
checksum = "632f73e236b219150ea279196e54e610f5dbafa5d61786303d4da54f84e47fce"
dependencies = [
"cfg-if 1.0.0",
"wasm-bindgen-macro",
@ -2230,24 +2227,24 @@ dependencies = [
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.74"
version = "0.2.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3b33f6a0694ccfea53d94db8b2ed1c3a8a4c86dd936b13b9f0a15ec4a451b900"
checksum = "a317bf8f9fba2476b4b2c85ef4c4af8ff39c3c7f0cdfeed4f82c34a880aa837b"
dependencies = [
"bumpalo",
"lazy_static",
"log",
"proc-macro2 1.0.27",
"quote 1.0.9",
"syn 1.0.73",
"proc-macro2 1.0.29",
"quote 1.0.10",
"syn 1.0.80",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-futures"
version = "0.4.24"
version = "0.4.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5fba7978c679d53ce2d0ac80c8c175840feb849a161664365d1287b41f2e67f1"
checksum = "8e8d7523cb1f2a4c96c1317ca690031b714a51cc14e05f712446691f413f5d39"
dependencies = [
"cfg-if 1.0.0",
"js-sys",
@ -2257,38 +2254,38 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.74"
version = "0.2.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "088169ca61430fe1e58b8096c24975251700e7b1f6fd91cc9d59b04fb9b18bd4"
checksum = "d56146e7c495528bf6587663bea13a8eb588d39b36b679d83972e1a2dbbdacf9"
dependencies = [
"quote 1.0.9",
"quote 1.0.10",
"wasm-bindgen-macro-support",
]
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.74"
version = "0.2.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be2241542ff3d9f241f5e2cb6dd09b37efe786df8851c54957683a49f0987a97"
checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"syn 1.0.73",
"proc-macro2 1.0.29",
"quote 1.0.10",
"syn 1.0.80",
"wasm-bindgen-backend",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.74"
version = "0.2.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7cff876b8f18eed75a66cf49b65e7f967cb354a7aa16003fb55dbfd25b44b4f"
checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
[[package]]
name = "wasm-bindgen-test"
version = "0.3.24"
version = "0.3.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8cab416a9b970464c2882ed92d55b0c33046b08e0bdc9d59b3b718acd4e1bae8"
checksum = "96f1aa7971fdf61ef0f353602102dbea75a56e225ed036c1e3740564b91e6b7e"
dependencies = [
"console_error_panic_hook",
"js-sys",
@ -2300,19 +2297,19 @@ dependencies = [
[[package]]
name = "wasm-bindgen-test-macro"
version = "0.3.24"
version = "0.3.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dd4543fc6cf3541ef0d98bf720104cc6bd856d7eba449fd2aa365ef4fed0e782"
checksum = "6006f79628dfeb96a86d4db51fbf1344cd7fd8408f06fc9aa3c84913a4789688"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"proc-macro2 1.0.29",
"quote 1.0.10",
]
[[package]]
name = "web-sys"
version = "0.3.51"
version = "0.3.55"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e828417b379f3df7111d3a2a9e5753706cae29c41f7c4029ee9fd77f3e09e582"
checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
dependencies = [
"js-sys",
"wasm-bindgen",
@ -2351,22 +2348,22 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "zeroize"
version = "1.3.0"
version = "1.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4756f7db3f7b5574938c3eb1c117038b8e07f95ee6718c0efad4ac21508f1efd"
checksum = "bf68b08513768deaa790264a7fac27a58cbf2705cfcdc9448362229217d7e970"
dependencies = [
"zeroize_derive",
]
[[package]]
name = "zeroize_derive"
version = "1.1.0"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2c1e130bebaeab2f23886bf9acbaca14b092408c452543c857f66399cd6dab1"
checksum = "bdff2024a851a322b08f179173ae2ba620445aef1e838f0c196820eade4ae0c7"
dependencies = [
"proc-macro2 1.0.27",
"quote 1.0.9",
"syn 1.0.73",
"proc-macro2 1.0.29",
"quote 1.0.10",
"syn 1.0.80",
"synstructure",
]
@ -2445,7 +2442,7 @@ dependencies = [
"regex 0.2.11",
"serde",
"serde_json",
"sha2 0.9.5",
"sha2 0.9.8",
"typed-arena",
"wasm-bindgen-test",
"zokrates_common",

View file

@ -0,0 +1 @@
Add optional message to assert statement

View file

@ -0,0 +1 @@
Allow more postfix expressions, exit gracefully when trying to call anything else than an identifier

View file

@ -0,0 +1 @@
Add Marlin proving scheme to the backend table in the book

View file

@ -1,2 +1,2 @@
[toolchain]
channel = "nightly-2021-08-01"
channel = "nightly-2021-08-01"

View file

@ -49,7 +49,7 @@ ZoKrates supports multiple backends. The options are the following:
| ---- | -------- | --------------- | ------ |
| Bellman | `--backend bellman` | G16 | ALTBN_128, BLS12_381 |
| Libsnark | `--backend libsnark` | GM17, PGHR13 | ALTBN_128 |
| Ark | `--backend ark` | GM17 | ALTBN_128, BLS12_377, BW6_761 |
| Ark | `--backend ark` | GM17, MARLIN | ALTBN_128, BLS12_377, BW6_761 |
Default: `bellman`

View file

@ -0,0 +1,3 @@
def main():
assert([1f] == [2f])
return

View file

@ -0,0 +1,2 @@
def main(field[3] a) -> field:
return [...a][0] + [a[0]][0] + [a[0]; 1][0]

View file

@ -346,8 +346,11 @@ impl<'ast> From<pest::AssertionStatement<'ast>> for absy::StatementNode<'ast> {
fn from(statement: pest::AssertionStatement<'ast>) -> absy::StatementNode<'ast> {
use crate::absy::NodeValue;
absy::Statement::Assertion(absy::ExpressionNode::from(statement.expression))
.span(statement.span)
absy::Statement::Assertion(
absy::ExpressionNode::from(statement.expression),
statement.message.map(|m| m.value),
)
.span(statement.span)
}
}
@ -599,17 +602,17 @@ impl<'ast> From<pest::PostfixExpression<'ast>> for absy::ExpressionNode<'ast> {
fn from(expression: pest::PostfixExpression<'ast>) -> absy::ExpressionNode<'ast> {
use crate::absy::NodeValue;
let id_str = expression.id.span.as_str();
let id = absy::ExpressionNode::from(expression.id);
let base = absy::ExpressionNode::from(*expression.base);
// pest::PostFixExpression contains an array of "accesses": `a(34)[42]` is represented as `[a, [Call(34), Select(42)]]`, but absy::ExpressionNode
// is recursive, so it is `Select(Call(a, 34), 42)`. We apply this transformation here
// we start with the id, and we fold the array of accesses by wrapping the current value
expression.accesses.into_iter().fold(id, |acc, a| match a {
pest::Access::Call(a) => match acc.value {
absy::Expression::Identifier(_) => absy::Expression::FunctionCall(
id_str,
// we start with the base, and we fold the array of accesses by wrapping the current value
expression
.accesses
.into_iter()
.fold(base, |acc, a| match a {
pest::Access::Call(a) => absy::Expression::FunctionCall(
Box::new(acc),
a.explicit_generics.map(|explicit_generics| {
explicit_generics
.values
@ -630,18 +633,17 @@ impl<'ast> From<pest::PostfixExpression<'ast>> for absy::ExpressionNode<'ast> {
.into_iter()
.map(absy::ExpressionNode::from)
.collect(),
),
e => unimplemented!("only identifiers are callable, found \"{}\"", e),
}
.span(a.span),
pest::Access::Select(a) => {
absy::Expression::Select(box acc, box absy::RangeOrExpression::from(a.expression))
.span(a.span)
}
pest::Access::Member(m) => {
absy::Expression::Member(box acc, box m.id.span.as_str()).span(m.span)
}
})
)
.span(a.span),
pest::Access::Select(a) => absy::Expression::Select(
box acc,
box absy::RangeOrExpression::from(a.expression),
)
.span(a.span),
pest::Access::Member(m) => {
absy::Expression::Member(box acc, box m.id.span.as_str()).span(m.span)
}
})
}
}
@ -1082,7 +1084,7 @@ mod tests {
"a(3)[4]",
absy::Expression::Select(
box absy::Expression::FunctionCall(
"a",
box absy::Expression::Identifier("a").mock(),
None,
vec![absy::Expression::IntConstant(3usize.into()).into()],
)
@ -1097,7 +1099,7 @@ mod tests {
absy::Expression::Select(
box absy::Expression::Select(
box absy::Expression::FunctionCall(
"a",
box absy::Expression::Identifier("a").mock(),
None,
vec![absy::Expression::IntConstant(3usize.into()).into()],
)
@ -1123,21 +1125,45 @@ mod tests {
}
#[test]
#[should_panic]
fn call_array_element() {
// a call after an array access should be rejected
// a call after an array access should be accepted
let source = "def main(): return a[2](3)";
let ast = pest::generate_ast(source).unwrap();
absy::Module::from(ast);
assert_eq!(
absy::Module::from(ast),
wrap(absy::Expression::FunctionCall(
box absy::Expression::Select(
box absy::Expression::Identifier("a").mock(),
box absy::RangeOrExpression::Expression(
absy::Expression::IntConstant(2u32.into()).mock()
)
)
.mock(),
None,
vec![absy::Expression::IntConstant(3u32.into()).mock()],
))
);
}
#[test]
#[should_panic]
fn call_call_result() {
// a call after a call should be rejected
// a call after a call should be accepted
let source = "def main(): return a(2)(3)";
let ast = pest::generate_ast(source).unwrap();
absy::Module::from(ast);
assert_eq!(
absy::Module::from(ast),
wrap(absy::Expression::FunctionCall(
box absy::Expression::FunctionCall(
box absy::Expression::Identifier("a").mock(),
None,
vec![absy::Expression::IntConstant(2u32.into()).mock()]
)
.mock(),
None,
vec![absy::Expression::IntConstant(3u32.into()).mock()],
))
);
}
}
#[test]
@ -1195,10 +1221,10 @@ mod tests {
span: span.clone(),
})],
expression: pest::Expression::Postfix(pest::PostfixExpression {
id: pest::IdentifierExpression {
base: box pest::Expression::Identifier(pest::IdentifierExpression {
value: String::from("foo"),
span: span.clone(),
},
}),
accesses: vec![pest::Access::Call(pest::CallAccess {
explicit_generics: None,
arguments: pest::Arguments {
@ -1248,10 +1274,10 @@ mod tests {
}),
],
expression: pest::Expression::Postfix(pest::PostfixExpression {
id: pest::IdentifierExpression {
base: box pest::Expression::Identifier(pest::IdentifierExpression {
value: String::from("foo"),
span: span.clone(),
},
}),
accesses: vec![pest::Access::Call(pest::CallAccess {
explicit_generics: None,
arguments: pest::Arguments {

View file

@ -13,7 +13,7 @@ pub mod variable;
pub use crate::absy::node::{Node, NodeValue};
pub use crate::absy::parameter::{Parameter, ParameterNode};
use crate::absy::types::{FunctionIdentifier, UnresolvedSignature, UnresolvedType, UserTypeId};
use crate::absy::types::{UnresolvedSignature, UnresolvedType, UserTypeId};
pub use crate::absy::variable::{Variable, VariableNode};
use crate::embed::FlatEmbed;
use std::path::{Path, PathBuf};
@ -337,7 +337,7 @@ pub enum Statement<'ast> {
Return(ExpressionListNode<'ast>),
Declaration(VariableNode<'ast>),
Definition(AssigneeNode<'ast>, ExpressionNode<'ast>),
Assertion(ExpressionNode<'ast>),
Assertion(ExpressionNode<'ast>, Option<String>),
For(
VariableNode<'ast>,
ExpressionNode<'ast>,
@ -355,7 +355,13 @@ impl<'ast> fmt::Display for Statement<'ast> {
Statement::Return(ref expr) => write!(f, "return {}", expr),
Statement::Declaration(ref var) => write!(f, "{}", var),
Statement::Definition(ref lhs, ref rhs) => write!(f, "{} = {}", lhs, rhs),
Statement::Assertion(ref e) => write!(f, "assert({})", e),
Statement::Assertion(ref e, ref message) => {
write!(f, "assert({}", e)?;
match message {
Some(m) => write!(f, ", \"{}\")", m),
None => write!(f, ")"),
}
}
Statement::For(ref var, ref start, ref stop, ref list) => {
writeln!(f, "for {} in {}..{} do", var, start, stop)?;
for l in list {
@ -479,7 +485,7 @@ pub enum Expression<'ast> {
Box<ExpressionNode<'ast>>,
),
FunctionCall(
FunctionIdentifier<'ast>,
Box<ExpressionNode<'ast>>,
Option<Vec<Option<ExpressionNode<'ast>>>>,
Vec<ExpressionNode<'ast>>,
),

View file

@ -56,8 +56,6 @@ impl<'ast> UnresolvedType<'ast> {
}
}
pub type FunctionIdentifier<'ast> = &'ast str;
pub use self::signature::UnresolvedSignature;
mod signature {

View file

@ -43,18 +43,18 @@ pub enum RuntimeError {
Euclidean,
ShaXor,
Division,
Source,
SourceAssertion(String),
ArgumentBitness,
SelectRangeCheck,
}
impl RuntimeError {
fn is_malicious(&self) -> bool {
pub(crate) fn is_malicious(&self) -> bool {
use RuntimeError::*;
!matches!(
self,
Source | Inverse | LtSum | SelectRangeCheck | ArgumentBitness
SourceAssertion(_) | Inverse | LtSum | SelectRangeCheck | ArgumentBitness
)
}
}
@ -87,19 +87,12 @@ impl fmt::Display for RuntimeError {
Euclidean => "Euclidean check failed",
ShaXor => "Internal Sha check failed",
Division => "Division check failed",
Source => "User assertion failed",
SourceAssertion(m) => m.as_str(),
ArgumentBitness => "Argument bitness check failed",
SelectRangeCheck => "Out of bounds array access",
};
write!(f, "{}", msg)?;
if self.is_malicious() {
writeln!(f)?;
write!(f, "The default ZoKrates interpreter should not yield this error. Please open an issue")?;
}
write!(f, "")
write!(f, "{}", msg)
}
}

View file

@ -12,7 +12,7 @@ use crate::ir::Interpreter;
use crate::compile::CompileConfig;
use crate::embed::FlatEmbed;
use crate::flat_absy::*;
use crate::flat_absy::{RuntimeError, *};
use crate::solvers::Solver;
use crate::zir::types::{Type, UBitwidth};
use crate::zir::*;
@ -146,6 +146,15 @@ impl<T: Field> FlatUExpression<T> {
}
}
impl From<crate::zir::RuntimeError> for RuntimeError {
fn from(error: crate::zir::RuntimeError) -> Self {
match error {
crate::zir::RuntimeError::SourceAssertion(s) => RuntimeError::SourceAssertion(s),
crate::zir::RuntimeError::SelectRangeCheck => RuntimeError::SelectRangeCheck,
}
}
}
impl<'ast, T: Field> Flattener<'ast, T> {
pub fn flatten(p: ZirProgram<'ast, T>, config: &CompileConfig) -> FlatProg<T> {
Flattener::new(config).flatten_program(p)
@ -2370,13 +2379,13 @@ impl<'ast, T: Field> Flattener<'ast, T> {
.insert(FlatExpression::Identifier(var), bits);
}
}
ZirStatement::Assertion(e) => {
ZirStatement::Assertion(e, error) => {
match e {
BooleanExpression::And(..) => {
for boolean in e.into_conjunction_iterator() {
self.flatten_statement(
statements_flattened,
ZirStatement::Assertion(boolean),
ZirStatement::Assertion(boolean, error.clone()),
)
}
}
@ -2384,7 +2393,12 @@ impl<'ast, T: Field> Flattener<'ast, T> {
let lhs = self.flatten_field_expression(statements_flattened, lhs);
let rhs = self.flatten_field_expression(statements_flattened, rhs);
self.flatten_equality_assertion(statements_flattened, lhs, rhs)
self.flatten_equality_assertion(
statements_flattened,
lhs,
rhs,
error.into(),
)
}
BooleanExpression::UintEq(box lhs, box rhs) => {
let lhs = self
@ -2394,13 +2408,23 @@ impl<'ast, T: Field> Flattener<'ast, T> {
.flatten_uint_expression(statements_flattened, rhs)
.get_field_unchecked();
self.flatten_equality_assertion(statements_flattened, lhs, rhs)
self.flatten_equality_assertion(
statements_flattened,
lhs,
rhs,
error.into(),
)
}
BooleanExpression::BoolEq(box lhs, box rhs) => {
let lhs = self.flatten_boolean_expression(statements_flattened, lhs);
let rhs = self.flatten_boolean_expression(statements_flattened, rhs);
self.flatten_equality_assertion(statements_flattened, lhs, rhs)
self.flatten_equality_assertion(
statements_flattened,
lhs,
rhs,
error.into(),
)
}
_ => {
// naive approach: flatten the boolean to a single field element and constrain it to 1
@ -2410,14 +2434,14 @@ impl<'ast, T: Field> Flattener<'ast, T> {
statements_flattened.push(FlatStatement::Condition(
e,
FlatExpression::Number(T::from(1)),
RuntimeError::Source,
error.into(),
));
} else {
// swap so that left side is linear
statements_flattened.push(FlatStatement::Condition(
FlatExpression::Number(T::from(1)),
e,
RuntimeError::Source,
error.into(),
));
}
}
@ -2529,6 +2553,7 @@ impl<'ast, T: Field> Flattener<'ast, T> {
statements_flattened: &mut FlatStatements<T>,
lhs: FlatExpression<T>,
rhs: FlatExpression<T>,
error: RuntimeError,
) {
let (lhs, rhs) = match (lhs, rhs) {
(FlatExpression::Mult(box x, box y), z) | (z, FlatExpression::Mult(box x, box y)) => (
@ -2546,7 +2571,7 @@ impl<'ast, T: Field> Flattener<'ast, T> {
),
),
};
statements_flattened.push(FlatStatement::Condition(lhs, rhs, RuntimeError::Source));
statements_flattened.push(FlatStatement::Condition(lhs, rhs, error));
}
/// Identifies a non-linear expression by assigning it to a new identifier.
@ -2653,6 +2678,7 @@ impl<'ast, T: Field> Flattener<'ast, T> {
#[cfg(test)]
mod tests {
use super::*;
use crate::zir;
use crate::zir::types::Signature;
use crate::zir::types::Type;
use zokrates_field::Bn128Field;
@ -2679,10 +2705,13 @@ mod tests {
Variable::boolean("y".into()),
BooleanExpression::Value(true).into(),
),
ZirStatement::Assertion(BooleanExpression::BoolEq(
box BooleanExpression::Identifier("x".into()),
box BooleanExpression::Identifier("y".into()),
)),
ZirStatement::Assertion(
BooleanExpression::BoolEq(
box BooleanExpression::Identifier("x".into()),
box BooleanExpression::Identifier("y".into()),
),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -2711,7 +2740,7 @@ mod tests {
box FlatExpression::Identifier(FlatVariable::new(0)),
box FlatExpression::Number(Bn128Field::from(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};
@ -2741,13 +2770,16 @@ mod tests {
Variable::field_element("y"),
FieldElementExpression::Number(Bn128Field::from(2)).into(),
),
ZirStatement::Assertion(BooleanExpression::FieldEq(
box FieldElementExpression::Add(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Number(Bn128Field::from(1)),
ZirStatement::Assertion(
BooleanExpression::FieldEq(
box FieldElementExpression::Add(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Number(Bn128Field::from(1)),
),
box FieldElementExpression::Identifier("y".into()),
),
box FieldElementExpression::Identifier("y".into()),
)),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -2779,7 +2811,7 @@ mod tests {
),
box FlatExpression::Number(Bn128Field::from(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};
@ -2811,12 +2843,15 @@ mod tests {
.metadata(metadata.clone()),
),
),
ZirStatement::Assertion(BooleanExpression::UintEq(
box UExpressionInner::Identifier("x".into())
.annotate(32)
.metadata(metadata.clone()),
box UExpressionInner::Value(42).annotate(32).metadata(metadata),
)),
ZirStatement::Assertion(
BooleanExpression::UintEq(
box UExpressionInner::Identifier("x".into())
.annotate(32)
.metadata(metadata.clone()),
box UExpressionInner::Value(42).annotate(32).metadata(metadata),
),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -2841,7 +2876,7 @@ mod tests {
box FlatExpression::Identifier(FlatVariable::new(0)),
box FlatExpression::Number(Bn128Field::from(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};
@ -2871,10 +2906,13 @@ mod tests {
Variable::field_element("y"),
FieldElementExpression::Number(Bn128Field::from(2)).into(),
),
ZirStatement::Assertion(BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
)),
ZirStatement::Assertion(
BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -2903,7 +2941,7 @@ mod tests {
box FlatExpression::Identifier(FlatVariable::new(0)),
box FlatExpression::Number(Bn128Field::from(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};
@ -2939,13 +2977,16 @@ mod tests {
Variable::field_element("z"),
FieldElementExpression::Number(Bn128Field::from(4)).into(),
),
ZirStatement::Assertion(BooleanExpression::FieldEq(
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
ZirStatement::Assertion(
BooleanExpression::FieldEq(
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
),
box FieldElementExpression::Identifier("z".into()),
),
box FieldElementExpression::Identifier("z".into()),
)),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -2978,7 +3019,7 @@ mod tests {
box FlatExpression::Identifier(FlatVariable::new(0)),
box FlatExpression::Identifier(FlatVariable::new(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};
@ -3014,13 +3055,16 @@ mod tests {
Variable::field_element("z"),
FieldElementExpression::Number(Bn128Field::from(4)).into(),
),
ZirStatement::Assertion(BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("z".into()),
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
ZirStatement::Assertion(
BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("z".into()),
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
),
),
)),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -3053,7 +3097,7 @@ mod tests {
box FlatExpression::Identifier(FlatVariable::new(0)),
box FlatExpression::Identifier(FlatVariable::new(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};
@ -3096,16 +3140,19 @@ mod tests {
Variable::field_element("t"),
FieldElementExpression::Number(Bn128Field::from(2)).into(),
),
ZirStatement::Assertion(BooleanExpression::FieldEq(
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
ZirStatement::Assertion(
BooleanExpression::FieldEq(
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
),
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("z".into()),
box FieldElementExpression::Identifier("t".into()),
),
),
box FieldElementExpression::Mult(
box FieldElementExpression::Identifier("z".into()),
box FieldElementExpression::Identifier("t".into()),
),
)),
zir::RuntimeError::mock(),
),
],
signature: Signature {
inputs: vec![],
@ -3149,7 +3196,7 @@ mod tests {
box FlatExpression::Identifier(FlatVariable::new(0)),
box FlatExpression::Identifier(FlatVariable::new(1)),
),
RuntimeError::Source,
zir::RuntimeError::mock().into(),
),
],
};

View file

@ -1,4 +1,5 @@
use crate::flat_absy::flat_variable::FlatVariable;
use crate::flat_absy::RuntimeError;
use crate::ir::{LinComb, Prog, QuadComb, Statement, Witness};
use crate::solvers::Solver;
use serde::{Deserialize, Serialize};
@ -37,7 +38,7 @@ impl Interpreter {
for statement in program.statements.iter() {
match statement {
Statement::Constraint(quad, lin, message) => match lin.is_assignee(&witness) {
Statement::Constraint(quad, lin, error) => match lin.is_assignee(&witness) {
true => {
let val = quad.evaluate(&witness).unwrap();
witness.insert(lin.0.get(0).unwrap().0, val);
@ -47,12 +48,7 @@ impl Interpreter {
let rhs_value = lin.evaluate(&witness).unwrap();
if lhs_value != rhs_value {
return Err(Error::UnsatisfiedConstraint {
left: lhs_value.to_dec_string(),
right: rhs_value.to_dec_string(),
message: message
.as_ref()
.map(|m| m.to_string())
.unwrap_or_else(|| "Unknown".to_string()),
error: error.to_owned(),
});
}
}
@ -275,26 +271,32 @@ impl<T: Field> QuadComb<T> {
#[derive(PartialEq, Serialize, Deserialize, Clone)]
pub enum Error {
UnsatisfiedConstraint {
left: String,
right: String,
message: String,
},
UnsatisfiedConstraint { error: Option<RuntimeError> },
Solver,
WrongInputCount {
expected: usize,
received: usize,
},
WrongInputCount { expected: usize, received: usize },
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::UnsatisfiedConstraint {
ref left,
ref right,
ref message,
} => write!(f, "{}: expected {} to equal {}", message, left, right),
Error::UnsatisfiedConstraint { ref error } => {
write!(
f,
"{}",
error
.as_ref()
.map(|m| m.to_string())
.expect("Found an unsatisfied constraint without an attached error.")
)?;
match error {
Some(e) if e.is_malicious() => {
writeln!(f)?;
write!(f, "The default ZoKrates interpreter should not yield this error. Please open an issue.")
}
_ => write!(f, ""),
}
}
Error::Solver => write!(f, ""),
Error::WrongInputCount { expected, received } => write!(
f,

View file

@ -1,6 +1,6 @@
use std::fmt;
#[derive(Clone, PartialEq, Copy)]
#[derive(Clone, PartialEq, Eq, Copy, Hash, Default, PartialOrd, Ord)]
pub struct Position {
pub line: usize,
pub col: usize,

View file

@ -1733,13 +1733,20 @@ impl<'ast, T: Field> Checker<'ast, T> {
.map(|rhs| TypedStatement::Definition(var, rhs))
.map_err(|e| vec![e])
}
Statement::Assertion(e) => {
Statement::Assertion(e, message) => {
let e = self
.check_expression(e, module_id, types)
.map_err(|e| vec![e])?;
match e {
TypedExpression::Boolean(e) => Ok(TypedStatement::Assertion(e)),
TypedExpression::Boolean(e) => Ok(TypedStatement::Assertion(
e,
RuntimeError::SourceAssertion(AssertionMetadata {
file: module_id.display().to_string(),
position: pos.0,
message,
}),
)),
e => Err(ErrorInner {
pos: Some(pos),
message: format!(
@ -1763,7 +1770,19 @@ impl<'ast, T: Field> Checker<'ast, T> {
Statement::MultipleDefinition(assignees, rhs) => {
match rhs.value {
// Right side has to be a function call
Expression::FunctionCall(fun_id, generics, arguments) => {
Expression::FunctionCall(fun_id_expression, generics, arguments) => {
let fun_id = match fun_id_expression.value {
Expression::Identifier(id) => Ok(id),
e => Err(vec![ErrorInner {
pos: Some(pos),
message: format!(
"Expected function in function call to be an identifier, found {}",
e
),
}])
}?;
// check the generic arguments, if any
let generics_checked: Option<Vec<Option<UExpression<'ast, T>>>> = generics
.map(|generics|
@ -2317,7 +2336,18 @@ impl<'ast, T: Field> Checker<'ast, T> {
Expression::U16Constant(n) => Ok(UExpressionInner::Value(n.into()).annotate(16).into()),
Expression::U32Constant(n) => Ok(UExpressionInner::Value(n.into()).annotate(32).into()),
Expression::U64Constant(n) => Ok(UExpressionInner::Value(n.into()).annotate(64).into()),
Expression::FunctionCall(fun_id, generics, arguments) => {
Expression::FunctionCall(fun_id_expression, generics, arguments) => {
let fun_id = match fun_id_expression.value {
Expression::Identifier(id) => Ok(id),
e => Err(ErrorInner {
pos: Some(pos),
message: format!(
"Expected function in function call to be an identifier, found `{}`",
e
),
}),
}?;
// check the generic arguments, if any
let generics_checked: Option<Vec<Option<UExpression<'ast, T>>>> = generics
.map(|generics| {
@ -4513,7 +4543,8 @@ mod tests {
.mock(),
Statement::MultipleDefinition(
vec![Assignee::Identifier("a").mock()],
Expression::FunctionCall("foo", None, vec![]).mock(),
Expression::FunctionCall(box Expression::Identifier("foo").mock(), None, vec![])
.mock(),
)
.mock(),
Statement::Return(
@ -4570,9 +4601,15 @@ mod tests {
Statement::Assertion(
Expression::Eq(
box Expression::IntConstant(2usize.into()).mock(),
box Expression::FunctionCall("foo", None, vec![]).mock(),
box Expression::FunctionCall(
box Expression::Identifier("foo").mock(),
None,
vec![],
)
.mock(),
)
.mock(),
None,
)
.mock(),
Statement::Return(
@ -4629,7 +4666,8 @@ mod tests {
.mock(),
Statement::MultipleDefinition(
vec![Assignee::Identifier("a").mock()],
Expression::FunctionCall("foo", None, vec![]).mock(),
Expression::FunctionCall(box Expression::Identifier("foo").mock(), None, vec![])
.mock(),
)
.mock(),
Statement::Return(
@ -4714,8 +4752,12 @@ mod tests {
Assignee::Identifier("a").mock(),
Assignee::Identifier("b").mock(),
],
Expression::FunctionCall("foo", None, vec![Expression::Identifier("x").mock()])
.mock(),
Expression::FunctionCall(
box Expression::Identifier("foo").mock(),
None,
vec![Expression::Identifier("x").mock()],
)
.mock(),
)
.mock(),
Statement::Return(
@ -4803,7 +4845,8 @@ mod tests {
Assignee::Identifier("a").mock(),
Assignee::Identifier("b").mock(),
],
Expression::FunctionCall("foo", None, vec![]).mock(),
Expression::FunctionCall(box Expression::Identifier("foo").mock(), None, vec![])
.mock(),
)
.mock(),
Statement::Return(
@ -4918,7 +4961,8 @@ mod tests {
),
)
.mock()],
Expression::FunctionCall("foo", None, vec![]).mock(),
Expression::FunctionCall(box Expression::Identifier("foo").mock(), None, vec![])
.mock(),
)
.mock(),
Statement::Return(
@ -4970,9 +5014,15 @@ mod tests {
Statement::Assertion(
Expression::Eq(
box Expression::IntConstant(1usize.into()).mock(),
box Expression::FunctionCall("foo", None, vec![]).mock(),
box Expression::FunctionCall(
box Expression::Identifier("foo").mock(),
None,
vec![],
)
.mock(),
)
.mock(),
None,
)
.mock(),
Statement::Return(
@ -5068,7 +5118,8 @@ mod tests {
Assignee::Identifier("a").mock(),
Assignee::Identifier("b").mock(),
],
Expression::FunctionCall("foo", None, vec![]).mock(),
Expression::FunctionCall(box Expression::Identifier("foo").mock(), None, vec![])
.mock(),
)
.mock(),
Statement::Return(
@ -6125,7 +6176,7 @@ mod tests {
main.value.statements = vec![Statement::Return(
ExpressionList {
expressions: vec![Expression::FunctionCall(
"foo",
box Expression::Identifier("foo").mock(),
None,
vec![Expression::IntConstant(0usize.into()).mock()],
)

View file

@ -379,9 +379,15 @@ fn fold_statement<'ast, T: Field>(
typed_absy::TypedStatement::Declaration(..) => {
unreachable!()
}
typed_absy::TypedStatement::Assertion(e) => {
typed_absy::TypedStatement::Assertion(e, error) => {
let e = f.fold_boolean_expression(statements_buffer, e);
vec![zir::ZirStatement::Assertion(e)]
let error = match error {
typed_absy::RuntimeError::SourceAssertion(metadata) => {
zir::RuntimeError::SourceAssertion(metadata.to_string())
}
typed_absy::RuntimeError::SelectRangeCheck => zir::RuntimeError::SelectRangeCheck,
};
vec![zir::ZirStatement::Assertion(e, error)]
}
typed_absy::TypedStatement::For(..) => unreachable!(),
typed_absy::TypedStatement::MultipleDefinition(variables, elist) => {

View file

@ -620,15 +620,14 @@ impl<'ast, 'a, T: Field> ResultFolder<'ast, T> for Propagator<'ast, 'a, T> {
Ok(statements)
}
TypedStatement::Assertion(e) => {
TypedStatement::Assertion(e, ty) => {
let e_str = e.to_string();
let expr = self.fold_boolean_expression(e)?;
match expr {
BooleanExpression::Value(v) if !v => Err(Error::AssertionFailed(format!(
"Assertion failed on expression `{}`",
e_str
))),
_ => Ok(vec![TypedStatement::Assertion(expr)]),
BooleanExpression::Value(v) if !v => {
Err(Error::AssertionFailed(format!("{}: ({})", ty, e_str)))
}
_ => Ok(vec![TypedStatement::Assertion(expr, ty)]),
}
}
s @ TypedStatement::PushCallLog(..) => Ok(vec![s]),
@ -984,7 +983,10 @@ impl<'ast, 'a, T: Field> ResultFolder<'ast, T> for Propagator<'ast, 'a, T> {
}
fn fold_select_expression<
E: Expr<'ast, T> + Select<'ast, T> + From<TypedExpression<'ast, T>>,
E: Expr<'ast, T>
+ Select<'ast, T>
+ From<TypedExpression<'ast, T>>
+ Into<TypedExpression<'ast, T>>,
>(
&mut self,
_: &E::Ty,
@ -1001,12 +1003,7 @@ impl<'ast, 'a, T: Field> ResultFolder<'ast, T> for Propagator<'ast, 'a, T> {
(ArrayExpressionInner::Value(v), UExpressionInner::Value(n)) => {
if n < size {
Ok(SelectOrExpression::Expression(
E::from(
v.expression_at::<StructExpression<'ast, T>>(n as usize)
.unwrap()
.clone(),
)
.into_inner(),
v.expression_at::<E>(n as usize).unwrap().into_inner(),
))
} else {
Err(Error::OutOfBounds(n, size))
@ -1018,14 +1015,7 @@ impl<'ast, 'a, T: Field> ResultFolder<'ast, T> for Propagator<'ast, 'a, T> {
TypedExpression::Array(a) => match a.as_inner() {
ArrayExpressionInner::Value(v) => {
Ok(SelectOrExpression::Expression(
E::from(
v.expression_at::<StructExpression<'ast, T>>(
n as usize,
)
.unwrap()
.clone(),
)
.into_inner(),
v.expression_at::<E>(n as usize).unwrap().into_inner(),
))
}
_ => unreachable!("should be an array value"),

View file

@ -531,7 +531,7 @@ impl<'ast, T: Field> Folder<'ast, T> for UintOptimizer<'ast, T> {
}
}
}
ZirStatement::Assertion(BooleanExpression::UintEq(box left, box right)) => {
ZirStatement::Assertion(BooleanExpression::UintEq(box left, box right), metadata) => {
let left = self.fold_uint_expression(left);
let right = self.fold_uint_expression(right);
@ -539,9 +539,10 @@ impl<'ast, T: Field> Folder<'ast, T> for UintOptimizer<'ast, T> {
let left = force_reduce(left);
let right = force_reduce(right);
vec![ZirStatement::Assertion(BooleanExpression::UintEq(
box left, box right,
))]
vec![ZirStatement::Assertion(
BooleanExpression::UintEq(box left, box right),
metadata,
)]
}
s => fold_statement(self, s),
}

View file

@ -49,6 +49,7 @@ impl<'ast> VariableWriteRemover {
Access::Select(head) => {
statements.insert(TypedStatement::Assertion(
BooleanExpression::UintLt(box head.clone(), box size.into()),
RuntimeError::SelectRangeCheck,
));
ArrayExpressionInner::Value(

View file

@ -2,8 +2,8 @@ use crate::zir::result_folder::fold_statement;
use crate::zir::result_folder::ResultFolder;
use crate::zir::types::UBitwidth;
use crate::zir::{
BooleanExpression, FieldElementExpression, Identifier, UExpression, UExpressionInner,
ZirExpression, ZirProgram, ZirStatement,
BooleanExpression, FieldElementExpression, Identifier, RuntimeError, UExpression,
UExpressionInner, ZirExpression, ZirProgram, ZirStatement,
};
use std::collections::HashMap;
use std::fmt;
@ -15,7 +15,7 @@ type Constants<'ast, T> = HashMap<Identifier<'ast>, ZirExpression<'ast, T>>;
pub enum Error {
OutOfBounds(u128, u128),
DivisionByZero,
AssertionFailed,
AssertionFailed(RuntimeError),
}
impl fmt::Display for Error {
@ -29,7 +29,7 @@ impl fmt::Display for Error {
Error::DivisionByZero => {
write!(f, "Division by zero detected in zir during static analysis",)
}
Error::AssertionFailed => write!(f, "User assertion failed"),
Error::AssertionFailed(err) => write!(f, "{}", err),
}
}
}
@ -53,10 +53,10 @@ impl<'ast, T: Field> ResultFolder<'ast, T> for ZirPropagator<'ast, T> {
s: ZirStatement<'ast, T>,
) -> Result<Vec<ZirStatement<'ast, T>>, Self::Error> {
match s {
ZirStatement::Assertion(e) => match self.fold_boolean_expression(e)? {
ZirStatement::Assertion(e, error) => match self.fold_boolean_expression(e)? {
BooleanExpression::Value(true) => Ok(vec![]),
BooleanExpression::Value(false) => Err(Error::AssertionFailed),
e => Ok(vec![ZirStatement::Assertion(e)]),
BooleanExpression::Value(false) => Err(Error::AssertionFailed(error)),
e => Ok(vec![ZirStatement::Assertion(e, error)]),
},
ZirStatement::Definition(a, e) => {
let e = self.fold_expression(e)?;
@ -657,21 +657,31 @@ impl<'ast, T: Field> ResultFolder<'ast, T> for ZirPropagator<'ast, T> {
#[cfg(test)]
mod tests {
use super::*;
use crate::zir::RuntimeError;
use zokrates_field::Bn128Field;
impl RuntimeError {
pub fn mock() -> Self {
RuntimeError::SourceAssertion(String::default())
}
}
#[test]
fn propagation() {
// assert([x, 1] == [y, 1])
let statements = vec![ZirStatement::Assertion(BooleanExpression::And(
box BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
let statements = vec![ZirStatement::Assertion(
BooleanExpression::And(
box BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
),
box BooleanExpression::FieldEq(
box FieldElementExpression::Number(Bn128Field::from(1)),
box FieldElementExpression::Number(Bn128Field::from(1)),
),
),
box BooleanExpression::FieldEq(
box FieldElementExpression::Number(Bn128Field::from(1)),
box FieldElementExpression::Number(Bn128Field::from(1)),
),
))];
RuntimeError::mock(),
)];
let mut propagator = ZirPropagator::default();
let statements: Vec<ZirStatement<_>> = statements
@ -685,10 +695,13 @@ mod tests {
assert_eq!(
statements,
vec![ZirStatement::Assertion(BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
))]
vec![ZirStatement::Assertion(
BooleanExpression::FieldEq(
box FieldElementExpression::Identifier("x".into()),
box FieldElementExpression::Identifier("y".into()),
),
RuntimeError::mock()
)]
);
}

View file

@ -461,7 +461,9 @@ pub fn fold_statement<'ast, T: Field, F: Folder<'ast, T>>(
TypedStatement::Definition(f.fold_assignee(a), f.fold_expression(e))
}
TypedStatement::Declaration(v) => TypedStatement::Declaration(f.fold_variable(v)),
TypedStatement::Assertion(e) => TypedStatement::Assertion(f.fold_boolean_expression(e)),
TypedStatement::Assertion(e, error) => {
TypedStatement::Assertion(f.fold_boolean_expression(e), error)
}
TypedStatement::For(v, from, to, statements) => TypedStatement::For(
f.fold_variable(v),
f.fold_uint_expression(from),

View file

@ -24,6 +24,7 @@ pub use self::types::{
DeclarationSignature, DeclarationStructType, DeclarationType, GArrayType, GStructType, GType,
GenericIdentifier, IntoTypes, Signature, StructType, Type, Types, UBitwidth,
};
use crate::parser::Position;
use crate::typed_absy::types::ConcreteGenericsAssignment;
pub use self::variable::{ConcreteVariable, DeclarationVariable, GVariable, Variable};
@ -575,6 +576,38 @@ impl<'ast, T: fmt::Display> fmt::Display for TypedAssignee<'ast, T> {
}
}
#[derive(Clone, Debug, PartialEq, Hash, Eq, Default, PartialOrd, Ord)]
pub struct AssertionMetadata {
pub file: String,
pub position: Position,
pub message: Option<String>,
}
impl fmt::Display for AssertionMetadata {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Assertion failed at {}:{}", self.file, self.position)?;
match &self.message {
Some(m) => write!(f, ": \"{}\"", m),
None => write!(f, ""),
}
}
}
#[derive(Debug, Clone, PartialEq, Hash, Eq, PartialOrd, Ord)]
pub enum RuntimeError {
SourceAssertion(AssertionMetadata),
SelectRangeCheck,
}
impl fmt::Display for RuntimeError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
RuntimeError::SourceAssertion(metadata) => write!(f, "{}", metadata),
RuntimeError::SelectRangeCheck => write!(f, "Range check on array access"),
}
}
}
/// A statement in a `TypedFunction`
#[allow(clippy::large_enum_variant)]
#[derive(Clone, PartialEq, Debug, Hash, Eq, PartialOrd, Ord)]
@ -582,7 +615,7 @@ pub enum TypedStatement<'ast, T> {
Return(Vec<TypedExpression<'ast, T>>),
Definition(TypedAssignee<'ast, T>, TypedExpression<'ast, T>),
Declaration(Variable<'ast, T>),
Assertion(BooleanExpression<'ast, T>),
Assertion(BooleanExpression<'ast, T>, RuntimeError),
For(
Variable<'ast, T>,
UExpression<'ast, T>,
@ -630,7 +663,16 @@ impl<'ast, T: fmt::Display> fmt::Display for TypedStatement<'ast, T> {
}
TypedStatement::Declaration(ref var) => write!(f, "{}", var),
TypedStatement::Definition(ref lhs, ref rhs) => write!(f, "{} = {}", lhs, rhs),
TypedStatement::Assertion(ref e) => write!(f, "assert({})", e),
TypedStatement::Assertion(ref e, ref error) => {
write!(f, "assert({}", e)?;
match error {
RuntimeError::SourceAssertion(metadata) => match &metadata.message {
Some(m) => write!(f, ", \"{}\")", m),
None => write!(f, ")"),
},
error => write!(f, ") // {}", error),
}
}
TypedStatement::For(ref var, ref start, ref stop, ref list) => {
writeln!(f, "for {} in {}..{} do", var, start, stop)?;
for l in list {
@ -1141,31 +1183,29 @@ impl<'ast, T> IntoIterator for ArrayValue<'ast, T> {
}
}
impl<'ast, T: Clone> ArrayValue<'ast, T> {
fn expression_at_aux<U: Select<'ast, T> + Into<TypedExpression<'ast, T>>>(
impl<'ast, T: Clone + fmt::Debug> ArrayValue<'ast, T> {
fn expression_at_aux<
U: Select<'ast, T> + Into<TypedExpression<'ast, T>> + From<TypedExpression<'ast, T>>,
>(
v: TypedExpressionOrSpread<'ast, T>,
) -> Vec<Option<TypedExpression<'ast, T>>> {
) -> Vec<Option<U>> {
match v {
TypedExpressionOrSpread::Expression(e) => vec![Some(e.clone())],
TypedExpressionOrSpread::Expression(e) => vec![Some(e.into())],
TypedExpressionOrSpread::Spread(s) => match s.array.size().into_inner() {
UExpressionInner::Value(size) => {
let array_ty = s.array.ty().clone();
match s.array.into_inner() {
ArrayExpressionInner::Value(v) => v
.into_iter()
.flat_map(Self::expression_at_aux::<U>)
.collect(),
ArrayExpressionInner::Value(v) => {
v.into_iter().flat_map(Self::expression_at_aux).collect()
}
a => (0..size)
.map(|i| {
Some(
U::select(
a.clone()
.annotate(*array_ty.ty.clone(), array_ty.size.clone()),
i as u32,
)
.into(),
)
Some(U::select(
a.clone()
.annotate(*array_ty.ty.clone(), array_ty.size.clone()),
i as u32,
))
})
.collect(),
}
@ -1175,13 +1215,15 @@ impl<'ast, T: Clone> ArrayValue<'ast, T> {
}
}
pub fn expression_at<U: Select<'ast, T> + Into<TypedExpression<'ast, T>>>(
pub fn expression_at<
U: Select<'ast, T> + Into<TypedExpression<'ast, T>> + From<TypedExpression<'ast, T>>,
>(
&self,
index: usize,
) -> Option<TypedExpression<'ast, T>> {
) -> Option<U> {
self.0
.iter()
.map(|v| Self::expression_at_aux::<U>(v.clone()))
.map(|v| Self::expression_at_aux(v.clone()))
.flatten()
.take_while(|e| e.is_some())
.map(|e| e.unwrap())

View file

@ -212,7 +212,10 @@ pub trait ResultFolder<'ast, T: Field>: Sized {
}
fn fold_select_expression<
E: Expr<'ast, T> + Select<'ast, T> + From<TypedExpression<'ast, T>>,
E: Expr<'ast, T>
+ Select<'ast, T>
+ From<TypedExpression<'ast, T>>
+ Into<TypedExpression<'ast, T>>,
>(
&mut self,
ty: &E::Ty,
@ -455,7 +458,9 @@ pub fn fold_statement<'ast, T: Field, F: ResultFolder<'ast, T>>(
TypedStatement::Definition(f.fold_assignee(a)?, f.fold_expression(e)?)
}
TypedStatement::Declaration(v) => TypedStatement::Declaration(f.fold_variable(v)?),
TypedStatement::Assertion(e) => TypedStatement::Assertion(f.fold_boolean_expression(e)?),
TypedStatement::Assertion(e, error) => {
TypedStatement::Assertion(f.fold_boolean_expression(e)?, error)
}
TypedStatement::For(v, from, to, statements) => TypedStatement::For(
f.fold_variable(v)?,
f.fold_uint_expression(from)?,
@ -724,7 +729,10 @@ pub fn fold_member_expression<
pub fn fold_select_expression<
'ast,
T: Field,
E: Expr<'ast, T> + Select<'ast, T> + From<TypedExpression<'ast, T>>,
E: Expr<'ast, T>
+ Select<'ast, T>
+ From<TypedExpression<'ast, T>>
+ Into<TypedExpression<'ast, T>>,
F: ResultFolder<'ast, T>,
>(
f: &mut F,

View file

@ -115,7 +115,9 @@ pub fn fold_statement<'ast, T: Field, F: Folder<'ast, T>>(
.flat_map(|e| f.fold_statement(e))
.collect(),
),
ZirStatement::Assertion(e) => ZirStatement::Assertion(f.fold_boolean_expression(e)),
ZirStatement::Assertion(e, error) => {
ZirStatement::Assertion(f.fold_boolean_expression(e), error)
}
ZirStatement::MultipleDefinition(variables, elist) => ZirStatement::MultipleDefinition(
variables.into_iter().map(|v| f.fold_variable(v)).collect(),
f.fold_expression_list(elist),

View file

@ -19,7 +19,6 @@ use std::fmt;
use zokrates_field::Field;
pub use self::folder::Folder;
pub use self::identifier::{Identifier, SourceIdentifier};
/// A typed program as a collection of modules, one of them being the main
@ -86,8 +85,23 @@ impl<'ast, T: fmt::Debug> fmt::Debug for ZirFunction<'ast, T> {
pub type ZirAssignee<'ast> = Variable<'ast>;
#[derive(Debug, Clone, PartialEq, Hash, Eq)]
pub enum RuntimeError {
SourceAssertion(String),
SelectRangeCheck,
}
impl fmt::Display for RuntimeError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
RuntimeError::SourceAssertion(message) => write!(f, "{}", message),
RuntimeError::SelectRangeCheck => write!(f, "Range check on array access"),
}
}
}
/// A statement in a `ZirFunction`
#[derive(Clone, PartialEq, Hash, Eq)]
#[derive(Clone, PartialEq, Hash, Eq, Debug)]
pub enum ZirStatement<'ast, T> {
Return(Vec<ZirExpression<'ast, T>>),
Definition(ZirAssignee<'ast>, ZirExpression<'ast, T>),
@ -96,37 +110,10 @@ pub enum ZirStatement<'ast, T> {
Vec<ZirStatement<'ast, T>>,
Vec<ZirStatement<'ast, T>>,
),
Assertion(BooleanExpression<'ast, T>),
Assertion(BooleanExpression<'ast, T>, RuntimeError),
MultipleDefinition(Vec<ZirAssignee<'ast>>, ZirExpressionList<'ast, T>),
}
impl<'ast, T: fmt::Debug> fmt::Debug for ZirStatement<'ast, T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
ZirStatement::Return(ref exprs) => {
write!(f, "Return(")?;
for (i, expr) in exprs.iter().enumerate() {
write!(f, "{:?}", expr)?;
if i < exprs.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, ")")
}
ZirStatement::Definition(ref consequence, ref alternative) => {
write!(f, "Definition({:?}, {:?})", consequence, alternative)
}
ZirStatement::IfElse(ref condition, ref lhs, ref rhs) => {
write!(f, "IfElse({:?}, {:?}, {:?})", condition, lhs, rhs)
}
ZirStatement::Assertion(ref e) => write!(f, "Assertion({:?})", e),
ZirStatement::MultipleDefinition(ref lhs, ref rhs) => {
write!(f, "MultipleDefinition({:?}, {:?})", lhs, rhs)
}
}
}
}
impl<'ast, T: fmt::Display> fmt::Display for ZirStatement<'ast, T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
@ -158,7 +145,13 @@ impl<'ast, T: fmt::Display> fmt::Display for ZirStatement<'ast, T> {
.join("\n")
)
}
ZirStatement::Assertion(ref e) => write!(f, "assert({})", e),
ZirStatement::Assertion(ref e, ref error) => {
write!(f, "assert({}", e)?;
match error {
RuntimeError::SourceAssertion(message) => write!(f, ", \"{}\")", message),
error => write!(f, ") // {}", error),
}
}
ZirStatement::MultipleDefinition(ref ids, ref rhs) => {
for (i, id) in ids.iter().enumerate() {
write!(f, "{}", id)?;

View file

@ -137,7 +137,9 @@ pub fn fold_statement<'ast, T: Field, F: ResultFolder<'ast, T>>(
.flatten()
.collect(),
),
ZirStatement::Assertion(e) => ZirStatement::Assertion(f.fold_boolean_expression(e)?),
ZirStatement::Assertion(e, error) => {
ZirStatement::Assertion(f.fold_boolean_expression(e)?, error)
}
ZirStatement::MultipleDefinition(variables, elist) => ZirStatement::MultipleDefinition(
variables
.into_iter()

View file

@ -31,7 +31,7 @@
"UnsatisfiedConstraint": {
"left": "4",
"right": "2",
"message": "Argument bitness check failed"
"error": "ArgumentBitness"
}
}
}

View file

@ -42,7 +42,7 @@
"UnsatisfiedConstraint": {
"left": "1",
"right": "0",
"message": "Out of bounds array access"
"error": "SelectRangeCheck"
}
}
}

View file

@ -0,0 +1,32 @@
{
"entry_point": "./tests/tests/assert_array_equality.zok",
"curves": ["Bn128", "Bls12_381", "Bls12_377", "Bw6_761"],
"tests": [
{
"input": {
"values": ["1", "2"]
},
"output": {
"Ok": {
"values": []
}
}
},
{
"input": {
"values": ["1", "1"]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/assert_array_equality.zok:2:2"
}
}
}
}
}
]
}

View file

@ -0,0 +1,3 @@
def main(field[2] a):
assert(a == [1, 2])
return

View file

@ -1,20 +1,22 @@
{
"entry_point": "./tests/tests/assert_one.zok",
"curves": ["Bn128", "Bls12_381", "Bls12_377", "Bw6_761"],
"tests": [
{
"input": {
"values": ["0"]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"message": "User assertion failed"
}
}
}
}
]
"entry_point": "./tests/tests/assert_one.zok",
"curves": ["Bn128", "Bls12_381", "Bls12_377", "Bw6_761"],
"tests": [
{
"input": {
"values": ["0"]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/assert_one.zok:2:2"
}
}
}
}
}
]
}

View file

@ -1,7 +1,7 @@
{
"entry_point": "./tests/tests/panics/conditional_bound_throw.zok",
"curves": ["Bn128"],
"tests": [
"tests": [
{
"input": {
"values": [
@ -9,13 +9,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/conditional_bound_throw.zok:2:5"
}
}
}
}
},
{
@ -25,13 +27,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "1",
"right": "0",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "1",
"right": "0",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/conditional_bound_throw.zok:2:5"
}
}
}
}
},
{
@ -41,13 +45,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "2",
"right": "0",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "2",
"right": "0",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/conditional_bound_throw.zok:2:5"
}
}
}
}
}
]

View file

@ -1,7 +1,7 @@
{
"entry_point": "./tests/tests/panics/deep_branch.zok",
"curves": ["Bn128"],
"tests": [
"tests": [
{
"input": {
"values": [
@ -9,13 +9,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/deep_branch.zok:2:5"
}
}
}
}
}
]

View file

@ -1,7 +1,7 @@
{
"entry_point": "./tests/tests/panics/internal_panic.zok",
"curves": ["Bn128"],
"tests": [
"tests": [
{
"input": {
"values": [
@ -9,9 +9,9 @@
]
},
"output": {
"Ok": {
"values": ["1"]
}
"Ok": {
"values": ["1"]
}
}
},
{
@ -21,13 +21,13 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"message": "Division by zero"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"error": "Inverse"
}
}
}
}
]

View file

@ -1,7 +1,7 @@
{
"entry_point": "./tests/tests/panics/loop_bound.zok",
"curves": ["Bn128", "Bls12_381", "Bls12_377", "Bw6_761"],
"tests": [
"tests": [
{
"input": {
"values": [
@ -9,13 +9,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "0",
"right": "1",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/loop_bound.zok:2:3"
}
}
}
}
},
{
@ -25,9 +27,9 @@
]
},
"output": {
"Ok": {
"values": []
}
"Ok": {
"values": []
}
}
}
]

View file

@ -5,7 +5,7 @@
"isolate_branches": true
},
"curves": ["Bn128"],
"tests": [
"tests": [
{
"input": {
"values": [
@ -16,13 +16,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "1",
"right": "21888242871839275222246405745257275088548364400416034343698204186575808495577",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "1",
"right": "21888242871839275222246405745257275088548364400416034343698204186575808495577",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/panic_isolation.zok:18:5"
}
}
}
}
},
{
@ -35,14 +37,14 @@
]
},
"output": {
"Ok": {
"values": [
"Ok": {
"values": [
"1",
"1",
"1",
"1"
]
}
]
}
}
},
{
@ -55,14 +57,14 @@
]
},
"output": {
"Ok": {
"values": [
"Ok": {
"values": [
"0",
"2",
"2",
"0"
]
}
]
}
}
}
]

View file

@ -5,7 +5,7 @@
"isolate_branches": false
},
"curves": ["Bn128"],
"tests": [
"tests": [
{
"input": {
"values": [
@ -16,13 +16,15 @@
]
},
"output": {
"Err": {
"UnsatisfiedConstraint": {
"left": "1",
"right": "0",
"message": "User assertion failed"
}
}
"Err": {
"UnsatisfiedConstraint": {
"left": "1",
"right": "0",
"error": {
"SourceAssertion": "Assertion failed at ./tests/tests/panics/panic_isolation.zok:14:5"
}
}
}
}
}
]

View file

@ -31,7 +31,7 @@
"UnsatisfiedConstraint": {
"left": "9",
"right": "3",
"message": "Argument bitness check failed"
"error": "ArgumentBitness"
}
}
}

View file

@ -3,13 +3,14 @@ file = { SOI ~ NEWLINE* ~ pragma? ~ NEWLINE* ~ symbol_declaration* ~ EOI }
pragma = { "#pragma" ~ "curve" ~ curve }
curve = @{ (ASCII_ALPHANUMERIC | "_") * }
string = @{(!"\"" ~ ANY)*}
quoted_string = _{ "\"" ~ string ~ "\"" }
symbol_declaration = { (import_directive | ty_struct_definition | const_definition | function_definition) ~ NEWLINE* }
import_directive = { main_import_directive | from_import_directive }
from_import_directive = { "from" ~ "\"" ~ import_source ~ "\"" ~ "import" ~ import_symbol_list ~ NEWLINE* }
main_import_directive = { "import" ~ "\"" ~ import_source ~ "\"" ~ ("as" ~ identifier)? ~ NEWLINE+ }
import_source = @{(!"\"" ~ ANY)*}
from_import_directive = { "from" ~ quoted_string ~ "import" ~ import_symbol_list ~ NEWLINE* }
main_import_directive = { "import" ~ quoted_string ~ ("as" ~ identifier)? ~ NEWLINE+ }
import_symbol = { identifier ~ ("as" ~ identifier)? }
import_symbol_list = _{ import_symbol ~ ("," ~ import_symbol)* }
function_definition = {"def" ~ identifier ~ constant_generics_declaration? ~ "(" ~ parameter_list ~ ")" ~ return_types ~ ":" ~ NEWLINE* ~ statement* }
@ -55,7 +56,7 @@ statement = { (return_statement // does not require subsequent newline
iteration_statement = { "for" ~ ty ~ identifier ~ "in" ~ expression ~ ".." ~ expression ~ "do" ~ NEWLINE* ~ statement* ~ "endfor"}
return_statement = { "return" ~ expression_list}
definition_statement = { typed_identifier_or_assignee_list ~ "=" ~ expression } // declare and assign, so only identifiers are allowed, unlike `assignment_statement`
expression_statement = {"assert" ~ "(" ~ expression ~ ")"}
expression_statement = {"assert" ~ "(" ~ expression ~ ("," ~ quoted_string)? ~ ")"}
typed_identifier_or_assignee_list = _{ typed_identifier_or_assignee ~ ("," ~ typed_identifier_or_assignee)* }
typed_identifier_or_assignee = { typed_identifier | assignee } // we don't use { ty? ~ identifier } as with a single token, it gets parsed as `ty` but we want `identifier`
@ -65,8 +66,9 @@ expression_list = _{(expression ~ ("," ~ expression)*)?}
expression = { unaried_term ~ (op_binary ~ unaried_term)* }
unaried_term = { op_unary? ~ powered_term }
powered_term = { term ~ (op_pow ~ exponent_expression)? }
term = { ("(" ~ expression ~ ")") | inline_struct_expression | conditional_expression | postfix_expression | primary_expression | inline_array_expression | array_initializer_expression }
powered_term = { postfixed_term ~ (op_pow ~ exponent_expression)? }
postfixed_term = { term ~ access* }
term = { ("(" ~ expression ~ ")") | inline_struct_expression | conditional_expression | primary_expression | inline_array_expression | array_initializer_expression }
spread = { "..." ~ expression }
range = { from_expression? ~ ".." ~ to_expression? }
from_expression = { expression }
@ -74,7 +76,6 @@ to_expression = { expression }
conditional_expression = { "if" ~ expression ~ "then" ~ expression ~ "else" ~ expression ~ "fi"}
postfix_expression = { identifier ~ access+ } // we force there to be at least one access, otherwise this matches single identifiers
access = { array_access | call_access | member_access }
array_access = { "[" ~ range_or_expression ~ "]" }
call_access = { ("::" ~ explicit_generics)? ~ "(" ~ arguments ~ ")" }

View file

@ -13,7 +13,7 @@ pub use ast::{
CallAccess, ConstantDefinition, ConstantGenericValue, DecimalLiteralExpression, DecimalNumber,
DecimalSuffix, DefinitionStatement, ExplicitGenerics, Expression, FieldType, File,
FromExpression, FunctionDefinition, HexLiteralExpression, HexNumberExpression,
IdentifierExpression, ImportDirective, ImportSource, ImportSymbol, InlineArrayExpression,
IdentifierExpression, ImportDirective, ImportSymbol, InlineArrayExpression,
InlineStructExpression, InlineStructMember, IterationStatement, LiteralExpression, Parameter,
PostfixExpression, Range, RangeOrExpression, ReturnStatement, Span, Spread, SpreadOrExpression,
Statement, StructDefinition, StructField, SymbolDeclaration, TernaryExpression, ToExpression,
@ -194,7 +194,7 @@ mod ast {
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::main_import_directive))]
pub struct MainImportDirective<'ast> {
pub source: ImportSource<'ast>,
pub source: AnyString<'ast>,
pub alias: Option<IdentifierExpression<'ast>>,
#[pest_ast(outer())]
pub span: Span<'ast>,
@ -212,21 +212,12 @@ mod ast {
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::from_import_directive))]
pub struct FromImportDirective<'ast> {
pub source: ImportSource<'ast>,
pub source: AnyString<'ast>,
pub symbols: Vec<ImportSymbol<'ast>>,
#[pest_ast(outer())]
pub span: Span<'ast>,
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::import_source))]
pub struct ImportSource<'ast> {
#[pest_ast(outer(with(span_into_str)))]
pub value: String,
#[pest_ast(outer())]
pub span: Span<'ast>,
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::ty))]
pub enum Type<'ast> {
@ -357,10 +348,20 @@ mod ast {
pub span: Span<'ast>,
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::string))]
pub struct AnyString<'ast> {
#[pest_ast(outer(with(span_into_str)))]
pub value: String,
#[pest_ast(outer())]
pub span: Span<'ast>,
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::expression_statement))]
pub struct AssertionStatement<'ast> {
pub expression: Expression<'ast>,
pub message: Option<AnyString<'ast>>,
#[pest_ast(outer())]
pub span: Span<'ast>,
}
@ -427,16 +428,47 @@ mod ast {
Expression(Expression<'ast>),
InlineStruct(InlineStructExpression<'ast>),
Ternary(TernaryExpression<'ast>),
Postfix(PostfixExpression<'ast>),
Primary(PrimaryExpression<'ast>),
InlineArray(InlineArrayExpression<'ast>),
ArrayInitializer(ArrayInitializerExpression<'ast>),
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::postfixed_term))]
pub struct PostfixedTerm<'ast> {
pub base: Term<'ast>,
pub accesses: Vec<Access<'ast>>,
#[pest_ast(outer())]
pub span: Span<'ast>,
}
#[derive(Debug, Clone, PartialEq)]
pub struct PostfixExpression<'ast> {
pub base: Box<Expression<'ast>>,
pub accesses: Vec<Access<'ast>>,
pub span: Span<'ast>,
}
impl<'ast> From<PostfixedTerm<'ast>> for Expression<'ast> {
fn from(t: PostfixedTerm<'ast>) -> Self {
let base = Expression::from(t.base);
let accesses = t.accesses;
if accesses.is_empty() {
base
} else {
Expression::Postfix(PostfixExpression {
base: Box::new(base),
accesses,
span: t.span,
})
}
}
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::powered_term))]
struct PoweredTerm<'ast> {
base: Term<'ast>,
base: PostfixedTerm<'ast>,
op: Option<PowOperator>,
exponent: Option<ExponentExpression<'ast>>,
#[pest_ast(outer())]
@ -512,7 +544,6 @@ mod ast {
match t {
Term::Expression(e) => e,
Term::Ternary(e) => Expression::Ternary(e),
Term::Postfix(e) => Expression::Postfix(e),
Term::Primary(e) => e.into(),
Term::InlineArray(e) => Expression::InlineArray(e),
Term::InlineStruct(e) => Expression::InlineStruct(e),
@ -592,15 +623,6 @@ mod ast {
#[pest_ast(rule(Rule::to_expression))]
pub struct ToExpression<'ast>(pub Expression<'ast>);
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::postfix_expression))]
pub struct PostfixExpression<'ast> {
pub id: IdentifierExpression<'ast>,
pub accesses: Vec<Access<'ast>>,
#[pest_ast(outer())]
pub span: Span<'ast>,
}
#[derive(Debug, FromPest, PartialEq, Clone)]
#[pest_ast(rule(Rule::inline_array_expression))]
pub struct InlineArrayExpression<'ast> {
@ -1076,7 +1098,7 @@ mod tests {
pragma: None,
declarations: vec![
SymbolDeclaration::Import(ImportDirective::Main(MainImportDirective {
source: ImportSource {
source: AnyString {
value: String::from("foo"),
span: Span::new(source, 8, 11).unwrap()
},
@ -1137,7 +1159,7 @@ mod tests {
pragma: None,
declarations: vec![
SymbolDeclaration::Import(ImportDirective::Main(MainImportDirective {
source: ImportSource {
source: AnyString {
value: String::from("foo"),
span: Span::new(source, 8, 11).unwrap()
},
@ -1222,7 +1244,7 @@ mod tests {
pragma: None,
declarations: vec![
SymbolDeclaration::Import(ImportDirective::Main(MainImportDirective {
source: ImportSource {
source: AnyString {
value: String::from("foo"),
span: Span::new(source, 8, 11).unwrap()
},
@ -1359,10 +1381,10 @@ mod tests {
}),
],
expression: Expression::Postfix(PostfixExpression {
id: IdentifierExpression {
base: Box::new(Expression::Identifier(IdentifierExpression {
value: String::from("foo"),
span: Span::new(source, 36, 39).unwrap()
},
})),
accesses: vec![Access::Call(CallAccess {
explicit_generics: None,
arguments: Arguments {