├── .gitattributes ├── .github └── workflows │ └── ci.yml ├── .gitignore ├── Forc.toml ├── LICENSE ├── README.md └── src ├── lib.sw └── ops.sw /.gitattributes: -------------------------------------------------------------------------------- 1 | # Syntax highlighting of sway files as rust 2 | *.sw linguist-language=Rust 3 | -------------------------------------------------------------------------------- /.github/workflows/ci.yml: -------------------------------------------------------------------------------- 1 | name: CI 2 | 3 | on: 4 | push: 5 | branches: 6 | - master 7 | pull_request: 8 | release: 9 | types: [published] 10 | 11 | env: 12 | CARGO_TERM_COLOR: always 13 | 14 | jobs: 15 | build: 16 | runs-on: ubuntu-latest 17 | 18 | steps: 19 | - name: Cancel Previous Runs 20 | uses: styfle/cancel-workflow-action@0.9.1 21 | with: 22 | access_token: ${{ github.token }} 23 | 24 | - name: Checkout repository 25 | uses: actions/checkout@v2 26 | 27 | - name: Install toolchain 28 | uses: actions-rs/toolchain@v1 29 | with: 30 | profile: minimal 31 | toolchain: stable 32 | override: true 33 | 34 | - name: Install forc 35 | uses: actions-rs/cargo@v1 36 | with: 37 | command: install 38 | # We use debug here to reduce build time, since the performance difference 39 | # is minimal between release and debug builds for the purposes of these tests. 40 | args: --debug forc 41 | 42 | - name: Check formatting 43 | run: | 44 | forc fmt --check 45 | 46 | - name: Build 47 | run: | 48 | forc build 49 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Generated by Cargo 2 | # will have compiled files and executables 3 | /target/ 4 | 5 | # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries 6 | # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html 7 | Cargo.lock 8 | 9 | # These are backup files generated by rustfmt 10 | **/*.rs.bk 11 | 12 | out/ 13 | 14 | # Include Forc.lock in gitignore if creating a library 15 | Forc.lock 16 | -------------------------------------------------------------------------------- /Forc.toml: -------------------------------------------------------------------------------- 1 | [project] 2 | authors = ["Fuel Labs "] 3 | entry = "lib.sw" 4 | license = "Apache-2.0" 5 | name = "core" 6 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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Once `forc` is installed, run `forc build` in the root of this project to build it. 6 | -------------------------------------------------------------------------------- /src/lib.sw: -------------------------------------------------------------------------------- 1 | library core; 2 | 3 | dep ops; 4 | -------------------------------------------------------------------------------- /src/ops.sw: -------------------------------------------------------------------------------- 1 | library ops; 2 | 3 | pub trait Add { 4 | fn add(self, other: Self) -> Self; 5 | } 6 | 7 | impl Add for u64 { 8 | fn add(self, other: Self) -> Self { 9 | asm(r1: self, r2: other, r3) { 10 | add r3 r2 r1; 11 | r3: u64 12 | } 13 | } 14 | } 15 | 16 | impl Add for u32 { 17 | fn add(self, other: Self) -> Self { 18 | asm(r1: self, r2: other, r3) { 19 | add r3 r2 r1; 20 | r3: u32 21 | } 22 | } 23 | } 24 | 25 | impl Add for u16 { 26 | fn add(self, other: Self) -> Self { 27 | asm(r1: self, r2: other, r3) { 28 | add r3 r2 r1; 29 | r3: u16 30 | } 31 | } 32 | } 33 | 34 | impl Add for u8 { 35 | fn add(self, other: Self) -> Self { 36 | asm(r1: self, r2: other, r3) { 37 | add r3 r2 r1; 38 | r3: u8 39 | } 40 | } 41 | } 42 | 43 | pub trait Subtract { 44 | fn subtract(self, other: Self) -> Self; 45 | } 46 | 47 | impl Subtract for u64 { 48 | fn subtract(self, other: Self) -> Self { 49 | asm(r1: self, r2: other, r3) { 50 | sub r3 r1 r2; 51 | r3 52 | } 53 | } 54 | } 55 | 56 | impl Subtract for u32 { 57 | fn subtract(self, other: Self) -> Self { 58 | asm(r1: self, r2: other, r3) { 59 | sub r3 r1 r2; 60 | r3: u32 61 | } 62 | } 63 | } 64 | 65 | impl Subtract for u16 { 66 | fn subtract(self, other: Self) -> Self { 67 | asm(r1: self, r2: other, r3) { 68 | sub r3 r1 r2; 69 | r3: u16 70 | } 71 | } 72 | } 73 | 74 | impl Subtract for u8 { 75 | fn subtract(self, other: Self) -> Self { 76 | asm(r1: self, r2: other, r3) { 77 | sub r3 r1 r2; 78 | r3: u8 79 | } 80 | } 81 | } 82 | 83 | pub trait Multiply { 84 | fn multiply(self, other: Self) -> Self; 85 | } 86 | 87 | impl Multiply for u64 { 88 | fn multiply(self, other: Self) -> Self { 89 | asm(r1: self, r2: other, r3) { 90 | mul r3 r1 r2; 91 | r3 92 | } 93 | } 94 | } 95 | 96 | impl Multiply for u32 { 97 | fn multiply(self, other: Self) -> Self { 98 | asm(r1: self, r2: other, r3) { 99 | mul r3 r1 r2; 100 | r3: u32 101 | } 102 | } 103 | } 104 | 105 | impl Multiply for u16 { 106 | fn multiply(self, other: Self) -> Self { 107 | asm(r1: self, r2: other, r3) { 108 | mul r3 r1 r2; 109 | r3: u16 110 | } 111 | } 112 | } 113 | 114 | impl Multiply for u8 { 115 | fn multiply(self, other: Self) -> Self { 116 | asm(r1: self, r2: other, r3) { 117 | mul r3 r1 r2; 118 | r3: u8 119 | } 120 | } 121 | } 122 | 123 | pub trait Divide { 124 | fn divide(self, other: Self) -> Self; 125 | } 126 | 127 | impl Divide for u64 { 128 | fn divide(self, other: Self) -> Self { 129 | asm(r1: self, r2: other, r3) { 130 | div r3 r1 r2; 131 | r3 132 | } 133 | } 134 | } 135 | 136 | impl Divide for u32 { 137 | fn divide(self, other: Self) -> Self { 138 | asm(r1: self, r2: other, r3) { 139 | div r3 r1 r2; 140 | r3: u32 141 | } 142 | } 143 | } 144 | 145 | impl Divide for u16 { 146 | fn divide(self, other: Self) -> Self { 147 | asm(r1: self, r2: other, r3) { 148 | div r3 r1 r2; 149 | r3: u16 150 | } 151 | } 152 | } 153 | 154 | impl Divide for u8 { 155 | fn divide(self, other: Self) -> Self { 156 | asm(r1: self, r2: other, r3) { 157 | div r3 r1 r2; 158 | r3: u8 159 | } 160 | } 161 | } 162 | 163 | pub trait Mod { 164 | fn modulo(self, other: Self) -> Self; 165 | } 166 | 167 | impl Mod for u64 { 168 | fn modulo(self, other: Self) -> Self { 169 | asm(r1: self, r2: other, r3) { 170 | mod r3 r1 r2; 171 | r3: u64 172 | } 173 | } 174 | } 175 | 176 | impl Mod for u32 { 177 | fn modulo(self, other: Self) -> Self { 178 | asm(r1: self, r2: other, r3) { 179 | mod r3 r1 r2; 180 | r3: u32 181 | } 182 | } 183 | } 184 | 185 | impl Mod for u16 { 186 | fn modulo(self, other: Self) -> Self { 187 | asm(r1: self, r2: other, r3) { 188 | mod r3 r1 r2; 189 | r3: u16 190 | } 191 | } 192 | } 193 | 194 | impl Mod for u8 { 195 | fn modulo(self, other: Self) -> Self { 196 | asm(r1: self, r2: other, r3) { 197 | mod r3 r1 r2; 198 | r3: u8 199 | } 200 | } 201 | } 202 | 203 | pub trait Shiftable { 204 | fn lsh(self, other: Self) -> Self; 205 | fn rsh(self, other: Self) -> Self; 206 | } 207 | 208 | impl Shiftable for u64 { 209 | fn lsh(self, other: Self) -> Self { 210 | asm(r1: self, r2: other, r3) { 211 | sll r3 r1 r2; 212 | r3: u64 213 | } 214 | } 215 | fn rsh(self, other: Self) -> Self { 216 | asm(r1: self, r2: other, r3) { 217 | srl r3 r1 r2; 218 | r3: u64 219 | } 220 | } 221 | } 222 | 223 | impl Shiftable for u32 { 224 | fn lsh(self, other: Self) -> Self { 225 | asm(r1: self, r2: other, r3) { 226 | sll r3 r1 r2; 227 | r3: u32 228 | } 229 | } 230 | fn rsh(self, other: Self) -> Self { 231 | asm(r1: self, r2: other, r3) { 232 | srl r3 r1 r2; 233 | r3: u32 234 | } 235 | } 236 | } 237 | 238 | impl Shiftable for u16 { 239 | fn lsh(self, other: Self) -> Self { 240 | asm(r1: self, r2: other, r3) { 241 | sll r3 r1 r2; 242 | r3: u16 243 | } 244 | } 245 | fn rsh(self, other: Self) -> Self { 246 | asm(r1: self, r2: other, r3) { 247 | srl r3 r1 r2; 248 | r3: u16 249 | } 250 | } 251 | } 252 | 253 | impl Shiftable for u8 { 254 | fn lsh(self, other: Self) -> Self { 255 | asm(r1: self, r2: other, r3) { 256 | sll r3 r1 r2; 257 | r3: u8 258 | } 259 | } 260 | fn rsh(self, other: Self) -> Self { 261 | asm(r1: self, r2: other, r3) { 262 | srl r3 r1 r2; 263 | r3: u8 264 | } 265 | } 266 | } 267 | 268 | pub trait Eq { 269 | fn eq(self, other: Self) -> bool; 270 | } 271 | 272 | impl Eq for bool { 273 | fn eq(self, other: Self) -> bool { 274 | asm(r1: self, r2: other, r3) { 275 | eq r3 r1 r2; 276 | r3: bool 277 | } 278 | } 279 | } 280 | 281 | impl Eq for u64 { 282 | fn eq(self, other: Self) -> bool { 283 | asm(r1: self, r2: other, r3) { 284 | eq r3 r1 r2; 285 | r3: bool 286 | } 287 | } 288 | } 289 | 290 | impl Eq for u32 { 291 | fn eq(self, other: Self) -> bool { 292 | asm(r1: self, r2: other, r3) { 293 | eq r3 r1 r2; 294 | r3: bool 295 | } 296 | } 297 | } 298 | 299 | impl Eq for u16 { 300 | fn eq(self, other: Self) -> bool { 301 | asm(r1: self, r2: other, r3) { 302 | eq r3 r1 r2; 303 | r3: bool 304 | } 305 | } 306 | } 307 | 308 | impl Eq for u8 { 309 | fn eq(self, other: Self) -> bool { 310 | asm(r1: self, r2: other, r3) { 311 | eq r3 r1 r2; 312 | r3: bool 313 | } 314 | } 315 | } 316 | 317 | impl Eq for b256 { 318 | fn eq(self, other: Self) -> bool { 319 | // Both self and other are addresses of the values, so we can use MEQ. 320 | asm(r1: self, r2: other, r3, r4) { 321 | addi r3 zero i32; 322 | meq r4 r1 r2 r3; 323 | r4: bool 324 | } 325 | } 326 | } 327 | 328 | pub trait Ord { 329 | fn gt(self, other: Self) -> bool; 330 | fn lt(self, other: Self) -> bool; 331 | } { 332 | fn le(self, other: Self) -> bool { 333 | asm(r1: self, r2: other, r3, r4) { 334 | gt r3 r1 r2; 335 | not r4 r3; 336 | 337 | r4: bool 338 | } 339 | } 340 | fn ge(self, other: Self) -> bool { 341 | asm(r1: self, r2: other, r3, r4) { 342 | lt r3 r1 r2; 343 | not r4 r3; 344 | 345 | r4: bool 346 | } 347 | } 348 | fn neq(self, other: Self) -> bool { 349 | // TODO unary operator negation 350 | 351 | // Fix this ugly block which uses assembly rather than 352 | // importing and utilizing an eq method 353 | let is_equal: bool = asm(r1: self, r2: other, r3) { 354 | eq r3 r1 r2; 355 | 356 | r3: bool 357 | }; 358 | 359 | if is_equal { 360 | false 361 | } else { 362 | true 363 | } 364 | } 365 | } 366 | 367 | impl Ord for u64 { 368 | fn gt(self, other: Self) -> bool { 369 | asm(r1: self, r2: other, r3) { 370 | gt r3 r1 r2; 371 | r3: bool 372 | } 373 | } 374 | fn lt(self, other: Self) -> bool { 375 | asm(r1: self, r2: other, r3) { 376 | lt r3 r1 r2; 377 | r3: bool 378 | } 379 | } 380 | } 381 | 382 | impl Ord for u32 { 383 | fn gt(self, other: Self) -> bool { 384 | asm(r1: self, r2: other, r3) { 385 | gt r3 r1 r2; 386 | r3: bool 387 | } 388 | } 389 | fn lt(self, other: Self) -> bool { 390 | asm(r1: self, r2: other, r3) { 391 | lt r3 r1 r2; 392 | r3: bool 393 | } 394 | } 395 | } 396 | 397 | impl Ord for u16 { 398 | fn gt(self, other: Self) -> bool { 399 | asm(r1: self, r2: other, r3) { 400 | gt r3 r1 r2; 401 | r3: bool 402 | } 403 | } 404 | fn lt(self, other: Self) -> bool { 405 | asm(r1: self, r2: other, r3) { 406 | lt r3 r1 r2; 407 | r3: bool 408 | } 409 | } 410 | } 411 | 412 | impl Ord for u8 { 413 | fn gt(self, other: Self) -> bool { 414 | asm(r1: self, r2: other, r3) { 415 | gt r3 r1 r2; 416 | r3: bool 417 | } 418 | } 419 | fn lt(self, other: Self) -> bool { 420 | asm(r1: self, r2: other, r3) { 421 | lt r3 r1 r2; 422 | r3: bool 423 | } 424 | } 425 | } 426 | 427 | // Should this be a trait eventually? Do we want to allow people to customize what `!` does? 428 | // Scala says yes, Rust says perhaps... 429 | pub fn not(a: bool) -> bool { 430 | // using direct asm for perf 431 | asm(r1: a, r2) { 432 | eq r2 r1 zero; 433 | r2: bool 434 | } 435 | } 436 | 437 | impl b256 { 438 | fn neq(self, other: Self) -> bool { 439 | // Both self and other are addresses of the values, so we can use MEQ. 440 | not(asm(r1: self, r2: other, r3, r4) { 441 | addi r3 zero i32; 442 | meq r4 r1 r2 r3; 443 | r4: bool 444 | }) 445 | } 446 | } 447 | 448 | impl u64 { 449 | fn binary_and(self, other: Self) -> Self { 450 | asm(r1: self, r2: other, r3) { 451 | and r3 r1 r2; 452 | r3: u64 453 | } 454 | } 455 | 456 | fn binary_or(self, other: Self) -> Self { 457 | asm(r1: self, r2: other, r3) { 458 | or r3 r1 r2; 459 | r3: u64 460 | } 461 | } 462 | } 463 | --------------------------------------------------------------------------------