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Code Issues Projects Releases Wiki Activity

Support numbers and booleans (#64)

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vms 2021-02-16 09:45:33 +03:00 committed by GitHub
parent d8ff68843e
commit c6d8a458da
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22 changed files with 1462 additions and 748 deletions
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7
Cargo.lock generated
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@ -11,7 +11,7 @@ dependencies = [
[[package]]
name = "air-parser"
version = "0.3.0"
version = "0.4.0"
dependencies = [
"codespan",
"codespan-reporting",
@ -21,6 +21,7 @@ dependencies = [
"lalrpop-util",
"regex",
"serde",
"serde_json",
"thiserror",
]
@ -57,7 +58,7 @@ dependencies = [
[[package]]
name = "aquamarine"
version = "0.4.1"
version = "0.5.0"
dependencies = [
"fluence",
"log",
@ -1693,7 +1694,7 @@ dependencies = [
[[package]]
name = "stepper-lib"
version = "0.4.1"
version = "0.5.0"
dependencies = [
"air-parser",
"aqua-test-utils",

3
crates/air-parser/Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "air-parser"
version = "0.3.0"
version = "0.4.0"
authors = ["Fluence Labs"]
edition = "2018"
license = "Apache-2.0"
@ -16,6 +16,7 @@ codespan-reporting = "0.9.5"
# TODO: hide serde behind a feature
serde = { version = "=1.0.118", features = ["rc"] }
serde_json = "=1.0.61"
thiserror = "1.0.23"

5
crates/air-parser/src/parser/air.lalrpop
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@ -2,6 +2,7 @@ use crate::parser::ast::*;
use crate::parser::into_variable_and_path;
use crate::parser::lexer::LexerError;
use crate::parser::lexer::Token;
use crate::parser::lexer::Number;
use lalrpop_util::ErrorRecovery;
use std::rc::Rc;
@ -86,6 +87,8 @@ CallInstrArgValue: CallInstrArgValue<'input> = {
let (variable, path) = into_variable_and_path(v.0, v.1);
CallInstrArgValue::JsonPath { variable, path }
},
<n:Number> => CallInstrArgValue::Number(n),
<b:Boolean> => CallInstrArgValue::Boolean(b),
InitPeerId => CallInstrArgValue::InitPeerId,
LastError => CallInstrArgValue::LastError,
}
@ -121,6 +124,8 @@ extern {
Literal => Token::StringLiteral(<&'input str>),
JsonPath => Token::JsonPath(<&'input str>, <usize>),
Accumulator => Token::Accumulator(<&'input str>),
Number => Token::Number(<Number>),
Boolean => Token::Boolean(<bool>),
InitPeerId => Token::InitPeerId,
LastError => Token::LastError,

1170
crates/air-parser/src/parser/air.rs
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File diff suppressed because it is too large Load Diff

18
crates/air-parser/src/parser/air_parser.rs
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@ -126,8 +126,26 @@ fn lexical_error_to_label(file_id: usize, error: LexerError) -> Label<usize> {
EmptyAccName(start, end) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
EmptyVariableOrConst(start, end) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
InvalidJsonPath(start, end) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
UnallowedCharInNumber(start, end) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
ParseIntError(start, end, _) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
ParseFloatError(start, end, _) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
TooBigFloat(start, end) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
LeadingDot(start, end) => {
Label::primary(file_id, start..end).with_message(error.to_string())
}
}
}

54
crates/air-parser/src/parser/ast.rs
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@ -1,18 +1,4 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
pub use crate::parser::lexer::Number;
use serde::Deserialize;
use serde::Serialize;
@ -20,7 +6,7 @@ use serde::Serialize;
use std::rc::Rc;
#[allow(clippy::large_enum_variant)] // for Null and Error variants
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub enum Instruction<'i> {
Null(Null),
Call(Call<'i>),
@ -34,19 +20,19 @@ pub enum Instruction<'i> {
Error,
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub enum PeerPart<'i> {
PeerPk(CallInstrValue<'i>),
PeerPkWithServiceId(CallInstrValue<'i>, CallInstrValue<'i>),
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub enum FunctionPart<'i> {
FuncName(CallInstrValue<'i>),
ServiceIdWithFuncName(CallInstrValue<'i>, CallInstrValue<'i>),
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Call<'i> {
pub peer_part: PeerPart<'i>,
pub function_part: FunctionPart<'i>,
@ -54,7 +40,7 @@ pub struct Call<'i> {
pub output: CallOutputValue<'i>,
}
#[derive(Debug, PartialEq, Eq, Clone, Hash, Serialize, Deserialize)]
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub enum CallInstrValue<'i> {
InitPeerId,
Literal(&'i str),
@ -62,67 +48,71 @@ pub enum CallInstrValue<'i> {
JsonPath { variable: &'i str, path: &'i str },
}
#[derive(Debug, PartialEq, Eq, Clone, Hash, Serialize, Deserialize)]
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub enum CallInstrArgValue<'i> {
InitPeerId,
LastError,
Literal(&'i str),
Number(Number),
Boolean(bool),
Variable(&'i str),
JsonPath { variable: &'i str, path: &'i str },
}
#[derive(Debug, PartialEq, Eq, Clone, Hash, Serialize, Deserialize)]
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub enum IterableValue<'i> {
Variable(&'i str),
JsonPath { variable: &'i str, path: &'i str },
}
#[derive(Debug, PartialEq, Eq, Clone, Hash, Serialize, Deserialize)]
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub enum MatchableValue<'i> {
Literal(&'i str),
Number(Number),
Boolean(bool),
Variable(&'i str),
JsonPath { variable: &'i str, path: &'i str },
}
#[derive(Serialize, Debug, Hash, PartialEq, Eq, Clone)]
#[derive(Serialize, Debug, PartialEq, Clone)]
pub enum CallOutputValue<'i> {
Scalar(&'i str),
Accumulator(&'i str),
None,
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Seq<'i>(pub Box<Instruction<'i>>, pub Box<Instruction<'i>>);
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Par<'i>(pub Box<Instruction<'i>>, pub Box<Instruction<'i>>);
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Xor<'i>(pub Box<Instruction<'i>>, pub Box<Instruction<'i>>);
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Match<'i> {
pub left_value: MatchableValue<'i>,
pub right_value: MatchableValue<'i>,
pub instruction: Box<Instruction<'i>>,
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct MisMatch<'i> {
pub left_value: MatchableValue<'i>,
pub right_value: MatchableValue<'i>,
pub instruction: Box<Instruction<'i>>,
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Fold<'i> {
pub iterable: IterableValue<'i>,
pub iterator: &'i str,
pub instruction: Rc<Instruction<'i>>,
}
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Next<'i>(pub &'i str);
#[derive(Serialize, Debug, PartialEq, Eq)]
#[derive(Serialize, Debug, PartialEq)]
pub struct Null;

69
crates/air-parser/src/parser/lexer/air_lexer.rs
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@ -15,7 +15,9 @@
*/
use super::errors::LexerError;
use super::is_aqua_alphanumeric;
use super::token::Token;
use super::LexerResult;
use std::iter::Peekable;
use std::str::CharIndices;
@ -169,7 +171,7 @@ fn should_stop(ch: char, round_brackets_balance: i64, open_square_brackets_balan
ch.is_whitespace() || round_brackets_balance < 0 || open_square_brackets_balance < 0
}
fn string_to_token(input: &str, start_pos: usize) -> Result<Token, LexerError> {
fn string_to_token(input: &str, start_pos: usize) -> LexerResult<Token> {
match input {
"" => Err(LexerError::EmptyString(start_pos, start_pos)),
@ -186,12 +188,15 @@ fn string_to_token(input: &str, start_pos: usize) -> Result<Token, LexerError> {
INIT_PEER_ID => Ok(Token::InitPeerId),
LAST_ERROR => Ok(Token::LastError),
TRUE_VALUE => Ok(Token::Boolean(true)),
FALSE_VALUE => Ok(Token::Boolean(false)),
str if str.ends_with(ACC_END_TAG) => try_parse_accumulator(str, start_pos),
str => try_parse_call_variable(str, start_pos),
str => super::call_variable_parser::try_parse_call_variable(str, start_pos),
}
}
fn try_parse_accumulator(maybe_acc: &str, start: usize) -> Result<Token, LexerError> {
fn try_parse_accumulator(maybe_acc: &str, start: usize) -> LexerResult<Token> {
const ACC_END_TAG_SIZE: usize = 2;
let str_len = maybe_acc.len();
@ -211,25 +216,6 @@ fn try_parse_accumulator(maybe_acc: &str, start: usize) -> Result<Token, LexerEr
Ok(Token::Accumulator(maybe_acc))
}
fn try_parse_call_variable(maybe_var: &str, start: usize) -> Result<Token, LexerError> {
let mut json_path_start_pos = None;
for (pos, ch) in maybe_var.chars().enumerate() {
if !json_path_started(json_path_start_pos) && is_json_path_start_point(ch) {
json_path_start_pos = Some(pos);
} else if !json_path_started(json_path_start_pos) && !is_aqua_alphanumeric(ch) {
return Err(LexerError::IsNotAlphanumeric(start + pos, start + pos));
} else if json_path_started(json_path_start_pos) & !json_path_allowed_char(ch) {
return Err(LexerError::InvalidJsonPath(start + pos, start + pos));
}
}
match json_path_start_pos {
Some(pos) => Ok(Token::JsonPath(maybe_var, pos)),
None => Ok(Token::Alphanumeric(maybe_var)),
}
}
const CALL_INSTR: &str = "call";
const SEQ_INSTR: &str = "seq";
const PAR_INSTR: &str = "par";
@ -243,40 +229,7 @@ const MISMATCH_INSTR: &str = "mismatch";
const INIT_PEER_ID: &str = "%init_peer_id%";
const LAST_ERROR: &str = "%last_error%";
const TRUE_VALUE: &str = "true";
const FALSE_VALUE: &str = "false";
const ACC_END_TAG: &str = "[]";
fn is_json_path_start_point(ch: char) -> bool {
ch == '.'
}
fn json_path_started(first_dot_pos: Option<usize>) -> bool {
first_dot_pos.is_some()
}
fn json_path_allowed_char(ch: char) -> bool {
// we don't have spec for json path now, but some possible example could be found here
// https://packagist.org/packages/softcreatr/jsonpath
// good old switch faster here than hash set
match ch {
'$' => true,
'@' => true,
'[' => true,
']' => true,
'(' => true,
')' => true,
':' => true,
'?' => true,
'.' => true,
'*' => true,
',' => true,
'"' => true,
'\'' => true,
'!' => true,
ch => is_aqua_alphanumeric(ch),
}
}
fn is_aqua_alphanumeric(ch: char) -> bool {
ch.is_alphanumeric() || ch == '_' || ch == '-'
}

262
crates/air-parser/src/parser/lexer/call_variable_parser.rs Normal file
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@ -0,0 +1,262 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use super::LexerError;
use super::LexerResult;
use super::Token;
use std::convert::TryInto;
use std::iter::Peekable;
use std::str::CharIndices;
pub(super) fn try_parse_call_variable(
string_to_parse: &str,
start_pos: usize,
) -> LexerResult<Token<'_>> {
CallVariableParser::try_parse(string_to_parse, start_pos)
}
#[derive(Debug)]
struct ParserState {
pub(self) first_dot_met_pos: Option<usize>,
pub(self) non_numeric_met: bool,
pub(self) digit_met: bool,
pub(self) is_first_char: bool,
pub(self) current_char: char,
pub(self) current_pos: usize,
}
struct CallVariableParser<'input> {
string_to_parse_iter: Peekable<CharIndices<'input>>,
string_to_parse: &'input str,
start_pos: usize,
state: ParserState,
}
impl<'input> CallVariableParser<'input> {
fn new(string_to_parse: &'input str, start_pos: usize) -> LexerResult<Self> {
let mut string_to_parse_iter = string_to_parse.char_indices().peekable();
let (current_pos, current_char) = match string_to_parse_iter.next() {
Some(pos_and_ch) => pos_and_ch,
None => return Err(LexerError::EmptyVariableOrConst(start_pos, start_pos)),
};
let state = ParserState {
first_dot_met_pos: None,
non_numeric_met: false,
digit_met: false,
is_first_char: true,
current_char,
current_pos,
};
let parser = Self {
string_to_parse_iter,
string_to_parse,
start_pos,
state,
};
Ok(parser)
}
pub(self) fn try_parse(
string_to_parse: &'input str,
start_pos: usize,
) -> LexerResult<Token<'input>> {
let mut parser = Self::new(string_to_parse, start_pos)?;
loop {
if parser.is_possible_to_parse_as_number() {
parser.try_parse_as_number()?;
} else {
parser.try_parse_as_variable()?;
}
if !parser.next_char() {
break;
}
}
parser.to_token()
}
fn next_char(&mut self) -> bool {
let (pos, ch) = match self.string_to_parse_iter.next() {
Some(pos_and_ch) => pos_and_ch,
None => return false,
};
self.state.current_char = ch;
self.state.current_pos = pos;
self.state.is_first_char = false;
true
}
fn is_possible_to_parse_as_number(&self) -> bool {
!self.state.non_numeric_met
}
fn try_parse_as_number(&mut self) -> LexerResult<()> {
if self.try_parse_as_sign() || self.try_parse_as_digit() || self.try_parse_as_float_dot()? {
return Ok(());
}
self.handle_non_digit()
}
fn try_parse_as_sign(&self) -> bool {
let ch = self.current_char();
self.state.is_first_char && (ch == '-' || ch == '+')
}
fn try_parse_as_digit(&mut self) -> bool {
if self.current_char().is_numeric() {
self.state.digit_met = true;
return true;
}
false
}
fn try_parse_as_float_dot(&mut self) -> LexerResult<bool> {
let is_first_dot = self.try_parse_first_met_dot()?;
// filter out +.12 -.2315 variants
if is_first_dot && !self.state.digit_met {
let error_pos = self.pos_in_string_to_parse();
return Err(LexerError::LeadingDot(error_pos, error_pos));
}
Ok(is_first_dot)
}
fn handle_non_digit(&mut self) -> LexerResult<()> {
self.check_fallback_to_variable()?;
self.state.non_numeric_met = true;
self.try_parse_as_variable()
}
fn check_fallback_to_variable(&self) -> LexerResult<()> {
if self.dot_met() {
let error_pos = self.pos_in_string_to_parse();
return Err(LexerError::UnallowedCharInNumber(error_pos, error_pos));
}
Ok(())
}
fn try_parse_as_variable(&mut self) -> LexerResult<()> {
if self.try_parse_as_json_path_start()? {
return Ok(());
} else if self.is_json_path_started() {
self.try_parse_as_json_path()?;
} else {
self.try_parse_as_alphanumeric()?;
}
Ok(())
}
fn try_parse_as_json_path_start(&mut self) -> LexerResult<bool> {
self.try_parse_first_met_dot()
}
fn try_parse_as_alphanumeric(&self) -> LexerResult<()> {
if !self.aqua_alphanumeric() {
let error_pos = self.pos_in_string_to_parse();
return Err(LexerError::IsNotAlphanumeric(error_pos, error_pos));
}
Ok(())
}
fn try_parse_as_json_path(&self) -> LexerResult<()> {
if !self.json_path_allowed_char() {
let error_pos = self.pos_in_string_to_parse();
return Err(LexerError::InvalidJsonPath(error_pos, error_pos));
}
Ok(())
}
fn try_parse_first_met_dot(&mut self) -> LexerResult<bool> {
if !self.dot_met() && self.current_char() == '.' {
if self.current_pos() == 0 {
return Err(LexerError::LeadingDot(
self.start_pos,
self.pos_in_string_to_parse(),
));
}
self.state.first_dot_met_pos = Some(self.current_pos());
return Ok(true);
}
Ok(false)
}
fn is_json_path_started(&self) -> bool {
self.dot_met()
}
fn dot_met(&self) -> bool {
self.state.first_dot_met_pos.is_some()
}
fn aqua_alphanumeric(&self) -> bool {
super::is_aqua_alphanumeric(self.current_char())
}
fn json_path_allowed_char(&self) -> bool {
super::is_json_path_allowed_char(self.current_char())
}
fn pos_in_string_to_parse(&self) -> usize {
self.start_pos + self.current_pos()
}
fn current_pos(&self) -> usize {
self.state.current_pos
}
fn current_char(&self) -> char {
self.state.current_char
}
fn to_token(&self) -> LexerResult<Token<'input>> {
use super::token::UnparsedNumber;
match (self.is_possible_to_parse_as_number(), self.dot_met()) {
(true, false) => {
let number = UnparsedNumber::Int(self.string_to_parse, self.start_pos);
let number: super::Number = number.try_into()?;
Ok(number.into())
}
(true, true) => {
let number = UnparsedNumber::Float(self.string_to_parse, self.start_pos);
let number: super::Number = number.try_into()?;
Ok(number.into())
}
(false, false) => Ok(Token::Alphanumeric(self.string_to_parse)),
(false, true) => Ok(Token::JsonPath(
self.string_to_parse,
self.state.first_dot_met_pos.unwrap(),
)),
}
}
}

25
crates/air-parser/src/parser/lexer/errors.rs
View File

@ -16,7 +16,10 @@
use thiserror::Error as ThisError;
#[derive(ThisError, Debug, Clone, PartialEq, Eq, Hash)]
use std::num::ParseFloatError;
use std::num::ParseIntError;
#[derive(ThisError, Debug, Clone, PartialEq, Eq)]
pub enum LexerError {
#[error("this string literal has unclosed quote")]
UnclosedQuote(usize, usize),
@ -24,14 +27,32 @@ pub enum LexerError {
#[error("empty string aren't allowed in this position")]
EmptyString(usize, usize),
#[error("only alphanumeric and _, - characters are allowed in this position")]
#[error("only alphanumeric, '_', and '-' characters are allowed in this position")]
IsNotAlphanumeric(usize, usize),
#[error("an accumulator name should be non empty")]
EmptyAccName(usize, usize),
#[error("this variable or constant shouldn't have empty name")]
EmptyVariableOrConst(usize, usize),
#[error("invalid character in json path")]
InvalidJsonPath(usize, usize),
#[error("a digit could contain only digits or one dot")]
UnallowedCharInNumber(usize, usize),
#[error("{2}")]
ParseIntError(usize, usize, #[source] ParseIntError),
#[error("{2}")]
ParseFloatError(usize, usize, #[source] ParseFloatError),
#[error("this float is too big, a float could contain less than 12 digits")]
TooBigFloat(usize, usize),
#[error("leading dot without any symbols before - please write 0 if it's float or variable name if it's json path")]
LeadingDot(usize, usize),
}
impl From<std::convert::Infallible> for LexerError {

8
crates/air-parser/src/parser/lexer/mod.rs
View File

@ -15,12 +15,20 @@
*/
mod air_lexer;
mod call_variable_parser;
mod errors;
mod token;
mod utils;
#[cfg(test)]
pub mod tests;
pub use air_lexer::AIRLexer;
pub use errors::LexerError;
pub use token::Number;
pub use token::Token;
pub(super) type LexerResult<T> = std::result::Result<T, LexerError>;
pub(self) use utils::is_aqua_alphanumeric;
pub(self) use utils::is_json_path_allowed_char;

349
crates/air-parser/src/parser/lexer/tests.rs
View File

@ -17,6 +17,7 @@
use super::air_lexer::Spanned;
use super::AIRLexer;
use super::LexerError;
use super::Number;
use super::Token;
fn run_lexer(input: &str) -> Vec<Spanned<Token<'_>, usize, LexerError>> {
@ -24,110 +25,119 @@ fn run_lexer(input: &str) -> Vec<Spanned<Token<'_>, usize, LexerError>> {
lexer.collect()
}
#[allow(dead_code)]
enum TokenCompareStrategy<'token> {
All(Vec<Spanned<Token<'token>, usize, LexerError>>),
Some(Vec<usize>, Vec<Spanned<Token<'token>, usize, LexerError>>),
One(usize, Spanned<Token<'token>, usize, LexerError>),
Single(Spanned<Token<'token>, usize, LexerError>),
}
use TokenCompareStrategy::*;
fn lexer_test(input: &str, expected_tokens: TokenCompareStrategy) {
let actual_tokens = run_lexer(input);
match expected_tokens {
All(expected_tokens) => assert_eq!(actual_tokens, expected_tokens),
Some(token_ids, expected_tokens) => {
for (&id, token) in token_ids.iter().zip(expected_tokens) {
assert_eq!(actual_tokens[id], token);
}
}
One(id, token) => assert_eq!(actual_tokens[id], token),
Single(token) => assert_eq!(actual_tokens, vec![token]),
}
}
#[test]
fn air_instructions() {
let call_tokens = run_lexer("call");
assert_eq!(call_tokens, vec![Ok((0, Token::Call, 4))]);
lexer_test("call", Single(Ok((0, Token::Call, 4))));
let call_tokens = run_lexer("(call)");
assert_eq!(
call_tokens,
vec![
lexer_test(
"(call)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Call, 5)),
Ok((5, Token::CloseRoundBracket, 6))
]
Ok((5, Token::CloseRoundBracket, 6)),
]),
);
let par_tokens = run_lexer("par");
assert_eq!(par_tokens, vec![Ok((0, Token::Par, 3))]);
lexer_test("par", Single(Ok((0, Token::Par, 3))));
let par_tokens = run_lexer("(par)");
assert_eq!(
par_tokens,
vec![
lexer_test(
"(par)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Par, 4)),
Ok((4, Token::CloseRoundBracket, 5))
]
Ok((4, Token::CloseRoundBracket, 5)),
]),
);
let seq_tokens = run_lexer("seq");
assert_eq!(seq_tokens, vec![Ok((0, Token::Seq, 3))]);
lexer_test("seq", Single(Ok((0, Token::Seq, 3))));
let seq_tokens = run_lexer("(seq)");
assert_eq!(
seq_tokens,
vec![
lexer_test(
"(seq)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Seq, 4)),
Ok((4, Token::CloseRoundBracket, 5))
]
Ok((4, Token::CloseRoundBracket, 5)),
]),
);
let null_tokens = run_lexer("null");
assert_eq!(null_tokens, vec![Ok((0, Token::Null, 4))]);
lexer_test("null", Single(Ok((0, Token::Null, 4))));
let null_tokens = run_lexer("(null)");
assert_eq!(
null_tokens,
vec![
lexer_test(
"(null)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Null, 5)),
Ok((5, Token::CloseRoundBracket, 6))
]
Ok((5, Token::CloseRoundBracket, 6)),
]),
);
let fold_tokens = run_lexer("fold");
assert_eq!(fold_tokens, vec![Ok((0, Token::Fold, 4))]);
lexer_test("fold", Single(Ok((0, Token::Fold, 4))));
let fold_tokens = run_lexer("(fold)");
assert_eq!(
fold_tokens,
vec![
lexer_test(
"(fold)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Fold, 5)),
Ok((5, Token::CloseRoundBracket, 6))
]
Ok((5, Token::CloseRoundBracket, 6)),
]),
);
let next_tokens = run_lexer("next");
assert_eq!(next_tokens, vec![Ok((0, Token::Next, 4))]);
lexer_test("next", Single(Ok((0, Token::Next, 4))));
let next_tokens = run_lexer("(next)");
assert_eq!(
next_tokens,
vec![
lexer_test(
"(next)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Next, 5)),
Ok((5, Token::CloseRoundBracket, 6))
]
Ok((5, Token::CloseRoundBracket, 6)),
]),
);
let match_tokens = run_lexer("match");
assert_eq!(match_tokens, vec![Ok((0, Token::Match, 5))]);
lexer_test("match", Single(Ok((0, Token::Match, 5))));
let match_tokens = run_lexer("(match)");
assert_eq!(
match_tokens,
vec![
lexer_test(
"(match)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::Match, 6)),
Ok((6, Token::CloseRoundBracket, 7))
]
Ok((6, Token::CloseRoundBracket, 7)),
]),
);
let mismatch_tokens = run_lexer("mismatch");
assert_eq!(mismatch_tokens, vec![Ok((0, Token::MisMatch, 8))]);
lexer_test("mismatch", Single(Ok((0, Token::MisMatch, 8))));
let mismatch_tokens = run_lexer("(mismatch)");
assert_eq!(
mismatch_tokens,
vec![
lexer_test(
"(mismatch)",
All(vec![
Ok((0, Token::OpenRoundBracket, 1)),
Ok((1, Token::MisMatch, 9)),
Ok((9, Token::CloseRoundBracket, 10))
]
Ok((9, Token::CloseRoundBracket, 10)),
]),
);
}
@ -135,10 +145,9 @@ fn air_instructions() {
fn init_peer_id() {
const INIT_PEER_ID: &str = "%init_peer_id%";
let init_peer_id_tokens = run_lexer(INIT_PEER_ID);
assert_eq!(
init_peer_id_tokens,
vec![Ok((0, Token::InitPeerId, INIT_PEER_ID.len()))]
lexer_test(
INIT_PEER_ID,
Single(Ok((0, Token::InitPeerId, INIT_PEER_ID.len()))),
);
}
@ -146,14 +155,13 @@ fn init_peer_id() {
fn accumulator() {
const ACC: &str = "accumulator____asdasd[]";
let init_peer_id_tokens = run_lexer(ACC);
assert_eq!(
init_peer_id_tokens,
vec![Ok((
lexer_test(
ACC,
Single(Ok((
0,
Token::Accumulator(&ACC[0..ACC.len() - 2]),
ACC.len()
))]
ACC.len(),
))),
);
}
@ -161,14 +169,100 @@ fn accumulator() {
fn string_literal() {
const STRING_LITERAL: &str = r#""some_string""#;
let string_literal_tokens = run_lexer(STRING_LITERAL);
assert_eq!(
string_literal_tokens,
vec![Ok((
lexer_test(
STRING_LITERAL,
Single(Ok((
0,
Token::StringLiteral(&STRING_LITERAL[1..STRING_LITERAL.len() - 1]),
STRING_LITERAL.len()
))]
STRING_LITERAL.len(),
))),
);
}
#[test]
fn integer_numbers() {
const NUMBER_WITH_PLUS_SIGN: &str = "+123";
let number = Number::Int(123);
lexer_test(
NUMBER_WITH_PLUS_SIGN,
Single(Ok((
0,
Token::Number(number.clone()),
NUMBER_WITH_PLUS_SIGN.len(),
))),
);
const NUMBER: &str = "123";
lexer_test(
NUMBER,
Single(Ok((0, Token::Number(number.clone()), NUMBER.len()))),
);
const NUMBER_WITH_MINUS_SIGN: &str = "-123";
let number = Number::Int(-123);
lexer_test(
NUMBER_WITH_MINUS_SIGN,
Single(Ok((0, Token::Number(number), NUMBER_WITH_MINUS_SIGN.len()))),
);
}
#[test]
fn float_number() {
const FNUMBER_WITH_PLUS_SIGN: &str = "+123.123";
let number = Number::Float(123.123);
lexer_test(
FNUMBER_WITH_PLUS_SIGN,
Single(Ok((
0,
Token::Number(number.clone()),
FNUMBER_WITH_PLUS_SIGN.len(),
))),
);
const FNUMBER: &str = "123.123";
lexer_test(
FNUMBER,
Single(Ok((0, Token::Number(number), FNUMBER.len()))),
);
const FNUMBER_WITH_MINUS_SIGN: &str = "-123.123";
let number = Number::Float(-123.123);
lexer_test(
FNUMBER_WITH_MINUS_SIGN,
Single(Ok((
0,
Token::Number(number),
FNUMBER_WITH_MINUS_SIGN.len(),
))),
);
}
#[test]
fn too_big_number() {
const NUMBER: &str = "1231231564564545684564646515313546547682131";
let number_tokens = run_lexer(NUMBER);
assert!(matches!(
number_tokens[0],
Err(LexerError::ParseIntError(..))
));
}
#[test]
fn too_big_float_number() {
const FNUMBER: &str =
"10000000000000000000000000000001.1231564564545684564646515313546547682131";
lexer_test(
FNUMBER,
Single(Err(LexerError::TooBigFloat(0, FNUMBER.len()))),
);
}
@ -177,10 +271,40 @@ fn json_path() {
// this json path contains all allowed in json path charactes
const JSON_PATH: &str = r#"value.$[$@[]():?.*,"!]"#;
let json_path_tokens = run_lexer(JSON_PATH);
assert_eq!(
json_path_tokens,
vec![Ok((0, Token::JsonPath(JSON_PATH, 5), JSON_PATH.len()))]
lexer_test(
JSON_PATH,
Single(Ok((0, Token::JsonPath(JSON_PATH, 5), JSON_PATH.len()))),
);
}
#[test]
fn json_path_numbers() {
const JSON_PATH: &str = r#"12345.$[$@[]():?.*,"!]"#;
lexer_test(
JSON_PATH,
Single(Err(LexerError::UnallowedCharInNumber(6, 6))),
);
const JSON_PATH1: &str = r#"+12345.$[$@[]():?.*,"!]"#;
lexer_test(
JSON_PATH1,
Single(Err(LexerError::UnallowedCharInNumber(7, 7))),
);
}
#[test]
fn leading_dot() {
const LEADING_DOT: &str = ".111";
lexer_test(LEADING_DOT, Single(Err(LexerError::LeadingDot(0, 0))));
const LEADING_DOT_AFTER_SIGN: &str = "+.1111";
lexer_test(
LEADING_DOT_AFTER_SIGN,
Single(Err(LexerError::LeadingDot(1, 1))),
);
}
@ -188,10 +312,9 @@ fn json_path() {
fn unclosed_quote() {
const UNCLOSED_QUOTE_AIR: &str = r#"(call ("peer_name) ("service_name" "function_name") [])"#;
let unclosed_quote_air_tokens = run_lexer(UNCLOSED_QUOTE_AIR);
assert_eq!(
unclosed_quote_air_tokens[4],
Err(LexerError::IsNotAlphanumeric(33, 33))
lexer_test(
UNCLOSED_QUOTE_AIR,
One(4, Err(LexerError::IsNotAlphanumeric(33, 33))),
);
}
@ -200,10 +323,9 @@ fn bad_value() {
// value contains ! that only allowed in json path
const INVALID_VALUE: &str = r#"val!ue.$[$@[]():?.*,"\!]"#;
let invalid_value_tokens = run_lexer(INVALID_VALUE);
assert_eq!(
invalid_value_tokens,
vec![Err(LexerError::IsNotAlphanumeric(3, 3))]
lexer_test(
INVALID_VALUE,
Single(Err(LexerError::IsNotAlphanumeric(3, 3))),
);
}
@ -211,9 +333,44 @@ fn bad_value() {
fn invalid_json_path() {
const INVALID_JSON_PATH: &str = r#"value.$%"#;
let invalid_json_path_tokens = run_lexer(INVALID_JSON_PATH);
assert_eq!(
invalid_json_path_tokens,
vec![Err(LexerError::InvalidJsonPath(7, 7))]
lexer_test(
INVALID_JSON_PATH,
Single(Err(LexerError::InvalidJsonPath(7, 7))),
);
}
#[test]
fn invalid_json_path_numbers() {
// this json path contains all allowed in json path charactes
const JSON_PATH: &str = r#"+12345$[$@[]():?.*,"!]"#;
lexer_test(JSON_PATH, Single(Err(LexerError::IsNotAlphanumeric(6, 6))));
}
#[test]
fn booleans() {
const TRUE_BOOL_CONST: &str = "true";
lexer_test(
TRUE_BOOL_CONST,
Single(Ok((0, Token::Boolean(true), TRUE_BOOL_CONST.len()))),
);
const FALSE_BOOL_CONST: &str = "false";
lexer_test(
FALSE_BOOL_CONST,
Single(Ok((0, Token::Boolean(false), FALSE_BOOL_CONST.len()))),
);
const NON_BOOL_CONST: &str = "true1";
lexer_test(
NON_BOOL_CONST,
Single(Ok((
0,
Token::Alphanumeric(NON_BOOL_CONST),
NON_BOOL_CONST.len(),
))),
);
}

77
crates/air-parser/src/parser/lexer/token.rs
View File

@ -14,7 +14,10 @@
* limitations under the License.
*/
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
use serde::Deserialize;
use serde::Serialize;
#[derive(Debug, Clone, PartialEq)]
pub enum Token<'input> {
OpenRoundBracket,
CloseRoundBracket,
@ -25,6 +28,8 @@ pub enum Token<'input> {
Alphanumeric(&'input str),
JsonPath(&'input str, usize),
Accumulator(&'input str),
Number(Number),
Boolean(bool),
InitPeerId,
LastError,
@ -39,3 +44,73 @@ pub enum Token<'input> {
Match,
MisMatch,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub enum Number {
Int(i64),
Float(f64),
}
impl From<Number> for Token<'_> {
fn from(value: Number) -> Self {
Token::Number(value)
}
}
impl From<Number> for serde_json::Value {
fn from(number: Number) -> Self {
number.into()
}
}
impl From<&Number> for serde_json::Value {
fn from(number: &Number) -> Self {
match number {
Number::Int(value) => (*value).into(),
Number::Float(value) => (*value).into(),
}
}
}
use super::LexerError;
use super::LexerResult;
use std::convert::TryFrom;
pub(crate) enum UnparsedNumber<'input> {
// raw value and starting pos
Int(&'input str, usize),
Float(&'input str, usize),
}
impl TryFrom<UnparsedNumber<'_>> for Number {
type Error = LexerError;
fn try_from(value: UnparsedNumber<'_>) -> LexerResult<Number> {
match value {
UnparsedNumber::Int(raw_value, start_pos) => {
let number = raw_value.parse::<i64>().map_err(|e| {
LexerError::ParseIntError(start_pos, start_pos + raw_value.len(), e)
})?;
let number = Self::Int(number);
Ok(number)
}
UnparsedNumber::Float(raw_value, start_pos) => {
if raw_value.len() > 11 {
return Err(LexerError::TooBigFloat(
start_pos,
start_pos + raw_value.len(),
));
}
let number = raw_value.parse::<f64>().map_err(|e| {
LexerError::ParseFloatError(start_pos, start_pos + raw_value.len(), e)
})?;
let number = Self::Float(number);
Ok(number)
}
}
}
}

43
crates/air-parser/src/parser/lexer/utils.rs Normal file
View File

@ -0,0 +1,43 @@
/*
* Copyright 2020 Fluence Labs Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
pub(super) fn is_aqua_alphanumeric(ch: char) -> bool {
ch.is_alphanumeric() || ch == '_' || ch == '-'
}
pub(super) fn is_json_path_allowed_char(ch: char) -> bool {
// we don't have spec for json path now, but some possible example could be found here
// https://packagist.org/packages/softcreatr/jsonpath
// good old switch faster here than hash set
match ch {
'$' => true,
'@' => true,
'[' => true,
']' => true,
'(' => true,
')' => true,
':' => true,
'?' => true,
'.' => true,
'*' => true,
',' => true,
'"' => true,
'\'' => true,
'!' => true,
ch => is_aqua_alphanumeric(ch),
}
}

2
stepper-lib/Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "stepper-lib"
version = "0.4.1"
version = "0.5.0"
authors = ["Fluence Labs"]
edition = "2018"

4
stepper-lib/src/execution/air/call/resolved_call.rs
View File

@ -35,14 +35,14 @@ use air_parser::ast::{CallInstrArgValue, CallOutputValue};
use std::rc::Rc;
/// Represents Call instruction with resolved internal parts.
#[derive(Debug, Clone, Eq, PartialEq, Hash)]
#[derive(Debug, Clone, PartialEq)]
pub(super) struct ResolvedCall<'i> {
triplet: Rc<ResolvedTriplet>,
function_arg_paths: Rc<Vec<CallInstrArgValue<'i>>>,
output: CallOutputValue<'i>,
}
#[derive(Debug, Clone, Eq, PartialEq, Hash)]
#[derive(Debug, Clone, PartialEq)]
struct ResolvedArguments {
call_arguments: String,
tetraplets: Vec<Vec<SecurityTetraplet>>,

79
stepper-lib/src/execution/air/compare_matchable/compare_matchable.rs
View File

@ -19,6 +19,7 @@ use crate::execution::air::ExecutionResult;
use crate::execution::utils::resolve_to_jvaluable;
use crate::JValue;
use air_parser::ast;
use air_parser::ast::MatchableValue;
pub(crate) fn are_matchable_eq<'ctx>(
@ -29,8 +30,17 @@ pub(crate) fn are_matchable_eq<'ctx>(
use MatchableValue::*;
match (left, right) {
(Literal(name), matchable) => compare_matchable_and_literal(matchable, name, exec_ctx),
(matchable, Literal(name)) => compare_matchable_and_literal(matchable, name, exec_ctx),
(Literal(left_name), Literal(right_name)) => Ok(left_name == right_name),
(Literal(value), matchable) => compare_matchable(matchable, exec_ctx, make_string_comparator(value)),
(matchable, Literal(value)) => compare_matchable(matchable, exec_ctx, make_string_comparator(value)),
(Boolean(value), matchable) => compare_matchable(matchable, exec_ctx, make_bool_comparator(value)),
(matchable, Boolean(value)) => compare_matchable(matchable, exec_ctx, make_bool_comparator(value)),
(Number(value), matchable) => compare_matchable(matchable, exec_ctx, make_number_comparator(value)),
(matchable, Number(value)) => compare_matchable(matchable, exec_ctx, make_number_comparator(value)),
(Variable(left_name), Variable(right_name)) => {
let left_jvaluable = resolve_to_jvaluable(left_name, exec_ctx)?;
let left_value = left_jvaluable.as_jvalue();
@ -53,29 +63,33 @@ pub(crate) fn are_matchable_eq<'ctx>(
}
}
fn compare_matchable_and_literal<'ctx>(
use std::borrow::Cow;
type Comparator<'a> = Box<dyn Fn(Cow<'_, JValue>) -> bool + 'a>;
fn compare_matchable<'ctx>(
matchable: &MatchableValue<'_>,
string_literal: &str,
exec_ctx: &'ctx ExecutionCtx<'_>,
comparator: Comparator<'ctx>,
) -> ExecutionResult<bool> {
use std::borrow::Cow;
use MatchableValue::*;
fn compare_jvalue_and_literal(jvalue: Cow<'_, JValue>, string_literal: &str) -> bool {
use std::ops::Deref;
match jvalue.deref() {
JValue::String(value) => value == string_literal,
_ => false,
}
}
match matchable {
Literal(name) => Ok(name == &string_literal),
Literal(str) => {
let jvalue = str.to_string().into();
Ok(comparator(Cow::Owned(jvalue)))
}
Number(number) => {
let jvalue = number.clone().into();
Ok(comparator(Cow::Owned(jvalue)))
}
Boolean(bool) => {
let jvalue = (*bool).into();
Ok(comparator(Cow::Owned(jvalue)))
}
Variable(name) => {
let jvaluable = resolve_to_jvaluable(name, exec_ctx)?;
let jvalue = jvaluable.as_jvalue();
Ok(compare_jvalue_and_literal(jvalue, string_literal))
Ok(comparator(jvalue))
}
JsonPath { variable, path } => {
let jvaluable = resolve_to_jvaluable(variable, exec_ctx)?;
@ -84,7 +98,38 @@ fn compare_matchable_and_literal<'ctx>(
return Ok(false);
}
Ok(compare_jvalue_and_literal(Cow::Borrowed(jvalues[0]), string_literal))
Ok(comparator(Cow::Borrowed(jvalues[0])))
}
}
}
fn make_string_comparator(comparable_string: &str) -> Comparator<'_> {
use std::ops::Deref;
Box::new(move |jvalue: Cow<'_, JValue>| -> bool {
match jvalue.deref() {
JValue::String(value) => value == comparable_string,
_ => false,
}
})
}
fn make_bool_comparator(comparable_bool: &bool) -> Comparator<'_> {
use std::ops::Deref;
let comparable_bool = *comparable_bool;
Box::new(move |jvalue: Cow<'_, JValue>| -> bool {
match jvalue.deref() {
JValue::Bool(jvalue) => jvalue == &comparable_bool,
_ => false,
}
})
}
fn make_number_comparator(comparable_number: &ast::Number) -> Comparator<'_> {
use std::ops::Deref;
let comparable_jvalue: JValue = comparable_number.into();
Box::new(move |jvalue: Cow<'_, JValue>| -> bool { jvalue.deref() == &comparable_jvalue })
}

7
stepper-lib/src/execution/mod.rs
View File

@ -26,3 +26,10 @@ pub(super) use errors::ExecutionError;
use std::rc::Rc;
pub(self) type ExecutionResult<T> = std::result::Result<T, Rc<ExecutionError>>;
#[macro_export]
macro_rules! exec_err {
($err:expr) => {
Err(std::rc::Rc::new($err))
};
}

13
stepper-lib/src/execution/utils/resolve.rs
View File

@ -30,16 +30,21 @@ pub(crate) fn resolve_to_args<'i>(
ctx: &ExecutionCtx<'i>,
) -> ExecutionResult<(JValue, Vec<SecurityTetraplet>)> {
match value {
CallInstrArgValue::InitPeerId => prepare_string_arg(ctx.init_peer_id.as_str(), ctx),
CallInstrArgValue::InitPeerId => prepare_consts(ctx.init_peer_id.clone(), ctx),
CallInstrArgValue::LastError => prepare_last_error(ctx),
CallInstrArgValue::Literal(value) => prepare_string_arg(value, ctx),
CallInstrArgValue::Literal(value) => prepare_consts(value.to_string(), ctx),
CallInstrArgValue::Boolean(value) => prepare_consts(*value, ctx),
CallInstrArgValue::Number(value) => prepare_consts(value, ctx),
CallInstrArgValue::Variable(name) => prepare_variable(name, ctx),
CallInstrArgValue::JsonPath { variable, path } => prepare_json_path(variable, path, ctx),
}
}
fn prepare_string_arg<'i>(arg: &str, ctx: &ExecutionCtx<'i>) -> ExecutionResult<(JValue, Vec<SecurityTetraplet>)> {
let jvalue = JValue::String(arg.to_string());
fn prepare_consts<'i>(
arg: impl Into<JValue>,
ctx: &ExecutionCtx<'i>,
) -> ExecutionResult<(JValue, Vec<SecurityTetraplet>)> {
let jvalue = arg.into();
let tetraplet = SecurityTetraplet::literal_tetraplet(ctx.init_peer_id.clone());
Ok((jvalue, vec![tetraplet]))

7
stepper-lib/src/lib.rs
View File

@ -57,10 +57,3 @@ pub mod parser {
}
pub(crate) type JValue = serde_json::Value;
#[macro_export]
macro_rules! exec_err {
($err:expr) => {
Err(std::rc::Rc::new($err))
};
}

3
stepper-lib/tests/security_tetraplets/auth_module/Cargo.lock generated
View File

@ -19,6 +19,7 @@ dependencies = [
"lalrpop-util",
"regex",
"serde",
"serde_json",
"thiserror",
]
@ -672,7 +673,7 @@ dependencies = [
[[package]]
name = "stepper-lib"
version = "0.4.0"
version = "0.4.1"
dependencies = [
"air-parser",
"boolinator",

3
stepper-lib/tests/security_tetraplets/log_storage/Cargo.lock generated
View File

@ -19,6 +19,7 @@ dependencies = [
"lalrpop-util",
"regex",
"serde",
"serde_json",
"thiserror",
]
@ -672,7 +673,7 @@ dependencies = [
[[package]]
name = "stepper-lib"
version = "0.4.0"
version = "0.4.1"
dependencies = [
"air-parser",
"boolinator",

2
stepper/Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "aquamarine"
version = "0.4.1"
version = "0.5.0"
authors = ["Fluence Labs"]
edition = "2018"