Compare commits

..
Author SHA1 Message Date
selimaj-dev a8ec265c1c Refactored cargo structure 2026-05-22 04:25:33 +02:00
selimaj-dev b7c68da6de Updated tags 2026-05-22 04:15:18 +02:00
selimaj-dev 8d0adb3bb9 Include mist build 2026-05-22 04:04:43 +02:00
selimaj-dev 76f5eccddf Improved cargo structure 2026-05-22 04:01:16 +02:00
selimaj-dev 5539ebde61 Updated versions 2026-05-22 03:49:54 +02:00
selimaj-dev ae25b0044b Merge pull request #44 from mist-go/statement-patches-and-errors
Statement patches and errors
2026-05-22 03:48:17 +02:00
selimaj-dev 1a026f69cb Fixed errors 2026-05-22 03:44:44 +02:00
selimaj-dev c5c5e885bf Improved loop bodies 2026-05-22 03:25:05 +02:00
selimaj-dev a26c1c31fb Added forever loop 2026-05-22 03:05:08 +02:00
selimaj-dev d33763be2e Fixed block statements 2026-05-22 03:00:43 +02:00
selimaj-dev b7cfa9fbe6 Improved for loops 2026-05-22 02:52:22 +02:00
selimaj-dev 960cc40886 Improved codegen 2026-05-22 02:34:01 +02:00
selimaj-dev c9a3c4693c Optimised main.mist 2026-05-21 15:21:04 +02:00
selimaj-dev 76b267a886 Merge pull request #43 from mist-go/rewritten-codegen
Rewritten codegen
2026-05-21 15:16:38 +02:00
selimaj-dev 119f93cf79 Prettier codegen output 2026-05-21 15:14:51 +02:00
selimaj-dev 4112dcac3b Improved match statements 2026-05-21 14:38:37 +02:00
selimaj-dev 80ff10503a Working constructor and statements 2026-05-21 14:19:32 +02:00
selimaj-dev f2257a4e81 Fixed some bugs 2026-05-21 14:04:12 +02:00
selimaj-dev 8703ac4254 Finished expr, and removed old codegen 2026-05-21 13:48:09 +02:00
selimaj-dev 70a1fa332b Top level 2026-05-21 13:43:42 +02:00
selimaj-dev 7b94969379 Top level 2026-05-21 13:36:38 +02:00
selimaj-dev 357a25a859 base top level 2026-05-21 13:14:48 +02:00
selimaj-dev 7af6416921 Statements 2026-05-21 13:03:46 +02:00
selimaj-dev 827b674be2 Expression 2026-05-21 12:25:06 +02:00
selimaj-dev 87bc8a0d69 Rewriting codegen' 2026-05-21 11:29:01 +02:00
selimaj-dev aba8badd90 Merge pull request #42 from mist-go/init-and-expr-statements
Init and expression statements
2026-05-21 11:16:48 +02:00
selimaj-dev 224b367ff1 Removed trailing semicolons 2026-05-21 11:10:44 +02:00
selimaj-dev 9da4a50ef5 Removed invalid statement 2026-05-21 11:07:49 +02:00
selimaj-dev 2fcb8c3831 Fixed naming error 2026-05-21 11:05:00 +02:00
selimaj-dev 702af9da3b Fixed self and added tests back 2026-05-21 08:09:26 +02:00
selimaj-dev 7688599504 Working soft return 2026-05-21 07:59:00 +02:00
selimaj-dev 70e6eb6276 Control flow 2026-05-21 07:28:19 +02:00
selimaj-dev 197afbfb35 bin op stuff 2026-05-21 07:23:11 +02:00
selimaj-dev 0878b9f0b9 Improving operators and suffix 2026-05-21 07:05:58 +02:00
selimaj-dev b28591f9e6 Working expr statements 2026-05-21 06:51:34 +02:00
selimaj-dev 0c8dc53617 Rewriting statement system for expr statements 2026-05-21 06:34:27 +02:00
selimaj-dev cc7bc49efe Added init to list 2026-05-21 06:16:51 +02:00
selimaj-dev 959f786dc8 Working init 2026-05-21 06:14:50 +02:00
selimaj-dev da819c22f6 Init project 2026-05-21 05:43:10 +02:00
selimaj-dev d408d01002 Using .mist/src 2026-05-21 05:33:23 +02:00
selimaj-dev 856c9dfdfa Rewriting mist project structure 2026-05-21 05:26:52 +02:00
selimaj-dev 812fa5d540 Merge pull request #39 from mist-go/lsp-base
Lsp base
2026-05-20 13:34:21 +02:00
selimaj-dev b55b35623b Preparing for mapping 2026-05-20 13:14:48 +02:00
selimaj-dev ff38c809e7 Simple completion example 2026-05-20 10:17:14 +02:00
selimaj-dev 64418cb52d cargo lock 2026-05-20 09:31:58 +02:00
selimaj-dev 674b809586 cargo lock 2026-05-20 09:31:50 +02:00
selimaj-dev 6b14ab0308 Working hello world lsp 2026-05-20 09:03:00 +02:00
selimaj-dev b86b4831ce Added analyzer 2026-05-20 08:54:56 +02:00
selimaj-dev 949135bd3b Include 2026-05-19 12:37:49 +02:00
selimaj-dev c30d686eb5 Merge pull request #38 from mist-go/snake
A snake is eating itself
2026-05-19 12:31:25 +02:00
selimaj-dev 47e62f96d9 Updated version 2026-05-19 12:30:29 +02:00
selimaj-dev b856450cc1 Header for rust IDE support 2026-05-19 12:27:32 +02:00
selimaj-dev 3ed17e007f Multiple commands bootstrapped 2026-05-19 12:23:57 +02:00
selimaj-dev bffc9f073b Match multiple patterns 2026-05-19 12:21:20 +02:00
selimaj-dev 318480f0b5 Fixed string and macro, and main 2026-05-19 12:14:25 +02:00
selimaj-dev 1a469689a7 Fixed amgibuitiy 2026-05-19 11:25:14 +02:00
selimaj-dev 6d7beb20ca Bootstrapped main 2026-05-19 11:19:49 +02:00
selimaj-dev 5f7dcc859c Preparing for bootstrapping 2026-05-19 11:06:26 +02:00
selimaj-dev 7febf84cd8 Updated version (again) 2026-05-19 11:02:06 +02:00
selimaj-dev 93eb467814 Updated quick patch version 2026-05-19 10:47:54 +02:00
selimaj-dev 0e27344012 Merge pull request #37 from mist-go/quick-patches
Quick patches
2026-05-19 10:45:50 +02:00
selimaj-dev 8f820bfb50 Fix: future ambiguities via !keyword 2026-05-19 10:44:51 +02:00
selimaj-dev 0031fb7152 Fix: statement 2026-05-19 10:39:35 +02:00
selimaj-dev 28a7658ce7 Updated version 2026-05-19 10:18:26 +02:00
selimaj-dev 67b60a9e4f Fix: statement order 2026-05-19 10:14:24 +02:00
selimaj-dev 16bca21981 Merge pull request #36 from mist-go/refactors-and-patches
Refactors and patches
2026-05-19 10:02:25 +02:00
selimaj-dev 349f9ba59e Refactor: Error handling in builder 2026-05-19 10:01:29 +02:00
selimaj-dev 3620f0432a Fix: mappings 2026-05-19 09:46:24 +02:00
selimaj-dev 69e5ab2a5e Dyn type 2026-05-19 06:55:58 +02:00
selimaj-dev bcefabe2d2 Fixed expression statement bug 2026-05-19 06:39:38 +02:00
selimaj-dev 551f14f81e Merge pull request #35 from mist-go/errors-and-caching
Errors and caching
2026-05-19 06:36:42 +02:00
selimaj-dev a5ccd9651a Added check command and updated help 2026-05-19 06:24:35 +02:00
selimaj-dev 9d051c68e9 Impl spanned functions 2026-05-19 06:11:52 +02:00
selimaj-dev fd7455c71e Fixed traits 2026-05-19 06:06:04 +02:00
selimaj-dev 1e191cf3c8 Class items, struct items, enum items, mapping 2026-05-19 06:00:35 +02:00
selimaj-dev 6412daa514 Dramatically improved transpile times by caching 2026-05-19 05:28:14 +02:00
selimaj-dev 1b4c925f9f Improved transpiler output 2026-05-19 05:24:59 +02:00
selimaj-dev bfd768a162 Working app stdout 2026-05-19 05:20:16 +02:00
selimaj-dev ffe868e0cd Fixed build stdout 2026-05-19 05:08:27 +02:00
selimaj-dev 8343740b11 Fixed build error on inner dir 2026-05-19 04:40:33 +02:00
selimaj-dev 4e98257438 Improved paths 2026-05-19 04:36:35 +02:00
selimaj-dev 95ae7b8d52 Improved paths, and added rust specific errors 2026-05-19 04:35:12 +02:00
selimaj-dev e30722dde3 Warning 2026-05-19 03:32:17 +02:00
selimaj-dev eb84103ed6 Improved diagnostic conversion 2026-05-19 03:24:12 +02:00
selimaj-dev 49a3186d26 Diagnostic conversion 2026-05-19 02:58:57 +02:00
selimaj-dev 670835a5e7 Added cargo_metadata and renamed compiler module 2026-05-19 02:04:37 +02:00
selimaj-dev 2b43e0c004 Working mapping 2026-05-19 01:47:02 +02:00
selimaj-dev 11e408cc17 find mapping 2026-05-19 00:46:07 +02:00
selimaj-dev 5e8946a126 Mapping 2026-05-19 00:40:28 +02:00
selimaj-dev 6b314dabf4 Spanned statements 2026-05-18 21:56:07 +02:00
selimaj-dev c5d8c12c14 Fix: visibility spacing 2026-05-18 21:42:22 +02:00
selimaj-dev d1330500b2 Spanned 2026-05-18 21:40:01 +02:00
selimaj-dev a88ff4c8dd Spanned impl 2026-05-18 14:42:41 +02:00
selimaj-dev 5648c1da61 Spanned 2026-05-18 13:58:59 +02:00
selimaj-dev de1784f914 Merge pull request #32 from mist-go/refactor-generics
Refactor generics & Sidefiles
2026-05-17 20:10:36 +02:00
selimaj-dev aa948a50cb Moving instead of borrowing in codegen 2026-05-17 20:02:07 +02:00
selimaj-dev f9f86fcc67 Implementation: sidefiles 2026-05-17 19:39:21 +02:00
selimaj-dev 907d9d7f9d Fix: Generics decl constraints 2026-05-17 19:30:20 +02:00
selimaj-dev 1d4473906f Fix: Generics decl not working 2026-05-17 19:21:10 +02:00
selimaj-dev 7fe91b8e36 Fix: Generics 2026-05-17 11:39:18 +02:00
selimaj-dev 94e113d227 Fix: Generics decl 2026-05-17 11:26:04 +02:00
selimaj-dev c566ac9a54 Fix: reveresed type postfix 2026-05-17 11:13:29 +02:00
selimaj-dev 5fa3e77b8f Added expr? syntax 2026-05-17 06:08:53 +02:00
selimaj-dev e270ec727e Merge pull request #31 from mist-go/assignments-expressions
Improved Assignments & expressions
2026-05-17 06:03:11 +02:00
selimaj-dev e89f5e805c Cleaned up AST 2026-05-17 06:00:26 +02:00
selimaj-dev dd647afd59 Indentation increment 2026-05-17 05:55:43 +02:00
selimaj-dev 46c6f5ffdd Fixed range 2026-05-17 05:52:23 +02:00
selimaj-dev 212d5d69b5 Fixed as 2026-05-17 05:49:37 +02:00
selimaj-dev a893f9a12d Increment and decrement via ++ or -- 2026-05-17 05:43:16 +02:00
selimaj-dev 77f35e0517 Removed incrementing tmp 2026-05-17 05:32:46 +02:00
selimaj-dev 1bcbca00b8 Fixed loose error 2026-05-17 05:13:28 +02:00
selimaj-dev c7529412f4 Adding increment 2026-05-17 04:44:38 +02:00
selimaj-dev 9b632fcc0e New generics 2026-05-17 04:35:00 +02:00
selimaj-dev 4742fbebf7 Codegen generics 2026-05-17 04:30:00 +02:00
selimaj-dev 82d748224f Fixed expression 2026-05-17 04:13:27 +02:00
selimaj-dev 16f169cdb0 Codegen 2026-05-17 04:00:15 +02:00
selimaj-dev 2a95ad4eb0 extended expression 2026-05-17 03:49:34 +02:00
selimaj-dev 33fae13c8a Updated AST for extensive expressions 2026-05-17 03:28:22 +02:00
selimaj-dev 23cf00975d Updated grammar for more extensive expressions 2026-05-17 03:25:02 +02:00
selimaj-dev 2c67d4e316 Tuple fix 2026-05-17 02:37:18 +02:00
selimaj-dev bfaaa4006b Codegen 2026-05-17 02:32:41 +02:00
selimaj-dev 50c98cf5f7 Adapted parser and ast with grammar 2026-05-17 02:30:03 +02:00
selimaj-dev 020eebdaba Updated expr ast 2026-05-17 02:21:12 +02:00
selimaj-dev 675e357297 Using term based expressions: grammar 2026-05-17 02:18:09 +02:00
selimaj-dev 6a0011c009 Restored grammar for now 2026-05-16 23:40:45 +02:00
selimaj-dev 95f253c0ce Refactored ast structure 2026-05-16 23:04:05 +02:00
selimaj-dev b802c51369 updated expr grammar 2026-05-16 22:53:08 +02:00
selimaj-dev 0bd8bc2f03 track caller on bug_unimplemented 2026-05-16 22:43:44 +02:00
selimaj-dev 13480b2c54 removed var assign statement struct 2026-05-16 22:40:39 +02:00
selimaj-dev c9030809fd Compound assign statement 2026-05-16 22:40:01 +02:00
selimaj-dev 60e5995dc6 Updated lib version 2026-05-16 11:18:20 +02:00
selimaj-dev c621a1bb8d Updated version 2026-05-16 11:17:12 +02:00
selimaj-dev 58a79ad2ef Merge pull request #30 from mist-go/improved-cli-readme
Improved cli and readme
2026-05-16 11:13:44 +02:00
selimaj-dev 490509cb14 Documentation website link 2026-05-16 11:11:41 +02:00
selimaj-dev bdca96212c improved usage style 2026-05-16 11:10:01 +02:00
selimaj-dev e3d885e22d improved usage style 2026-05-16 10:59:50 +02:00
selimaj-dev 6917d36ac4 short commands 2026-05-16 10:52:41 +02:00
selimaj-dev 90de040ae8 Cargo commands 2026-05-16 10:51:08 +02:00
selimaj-dev 9d024b7e25 Merge pull request #29 from mist-go/error-recovery-system
Error recovery system
2026-05-16 07:32:15 +02:00
selimaj-dev 50b05b6def Var decl and if statement 2026-05-16 07:28:18 +02:00
selimaj-dev 2c426c78c6 Added tests back 2026-05-16 07:23:03 +02:00
selimaj-dev 47b179b782 fix: statement branch 2026-05-16 07:22:43 +02:00
selimaj-dev 5174cc34ee error system: top level items 2026-05-16 07:14:02 +02:00
selimaj-dev b188ef0eb2 Removed unnecessary whole from unimplemented msg 2026-05-16 06:52:33 +02:00
selimaj-dev 3619f0e7dc Bug implementations 2026-05-16 06:50:24 +02:00
selimaj-dev ced2d47977 error system: types 2026-05-16 06:41:29 +02:00
selimaj-dev a6e52b0191 error system: statement 2026-05-16 06:33:00 +02:00
selimaj-dev 32c411ba78 error system: common 2026-05-16 05:55:00 +02:00
selimaj-dev 1a80fe074b Improved bug implementations 2026-05-16 05:32:10 +02:00
selimaj-dev cbd060149d error system: decl 2026-05-16 04:51:32 +02:00
selimaj-dev e6bf1e0d2c Expr error system 2026-05-16 04:42:45 +02:00
selimaj-dev 0c6723e967 Improved error casting system 2026-05-16 04:32:19 +02:00
selimaj-dev b22c0e8527 Improved error message 2026-05-15 22:20:06 +02:00
selimaj-dev 6346ffc771 Working error recovery 2026-05-15 22:06:09 +02:00
selimaj-dev efe32d8e5f Improved error handling 2026-05-15 21:57:59 +02:00
selimaj-dev c6b9588f4d ast error analyzer 2026-05-15 13:12:52 +02:00
selimaj-dev 216c61228c Making a error recovery system 2026-05-15 12:09:30 +02:00
selimaj-dev 3aba4a359b Merge pull request #28 from mist-go/refactor-error-handling
Refactor error handling
2026-05-15 10:45:35 +02:00
selimaj-dev fa2c0b2658 Fixed pattern bug 2026-05-15 10:37:06 +02:00
selimaj-dev 0bb7146d13 Fixed block bug 2026-05-15 10:29:02 +02:00
selimaj-dev 3c5b030bdd Finished error handling 2026-05-15 09:19:49 +02:00
selimaj-dev 6c7692208d enums, functions, impls error handling 2026-05-15 09:11:17 +02:00
selimaj-dev 8c89f9ff65 Attr and class error handling 2026-05-15 09:00:21 +02:00
selimaj-dev f9c5fb4ec8 types error handling 2026-05-15 08:54:48 +02:00
selimaj-dev 527e450f9e Common error handling 2026-05-15 08:44:01 +02:00
selimaj-dev 459c4b1ee0 Reverted back 2026-05-15 02:23:54 +02:00
selimaj-dev 933f102680 Might consider removing ast_expr 2026-05-15 02:02:43 +02:00
selimaj-dev 6fbc2a086e Decl using the ast macro 2026-05-15 01:33:43 +02:00
selimaj-dev 80e17ffafb Ast expression macro 2026-05-15 01:24:55 +02:00
selimaj-dev 25f4b5470d Getting error handling to work 2026-05-15 00:03:04 +02:00
selimaj-dev cdb34984db Error recovery 2026-05-14 23:46:38 +02:00
selimaj-dev 9b04a17fdd Error recovery 2026-05-14 23:37:48 +02:00
selimaj-dev 626990216c Moved pattern to general common 2026-05-14 21:55:32 +02:00
selimaj-dev 78cac259f2 Decl, Expr, and statement 2026-05-14 21:52:56 +02:00
selimaj-dev 5912032dff Enums and impl decl 2026-05-14 21:44:00 +02:00
selimaj-dev 00e10d1097 Separated classes, attributes, and types 2026-05-14 21:35:41 +02:00
selimaj-dev 50fa660392 Separating ast implementations 2026-05-14 21:27:50 +02:00
selimaj-dev 192769c8ad Separate error 2026-05-14 20:51:43 +02:00
selimaj-dev 5920a9f236 Error returning 2026-05-14 20:36:15 +02:00
selimaj-dev d8d3b327dd Visibility error stuff 2026-05-14 20:23:52 +02:00
selimaj-dev 5c732bb8d1 Finishing mass error rewrite 2026-05-14 20:19:22 +02:00
selimaj-dev 01532baf12 Mass improved error handling 2026-05-14 20:14:28 +02:00
selimaj-dev 03f9794671 Mass rewrite 2026-05-14 19:33:12 +02:00
selimaj-dev fd48d6c9c6 Making better errors 2026-05-14 19:25:29 +02:00
selimaj-dev ef7ccc5aed Error recovery 2026-05-14 19:07:36 +02:00
selimaj-dev 23f726fd41 Merge pull request #27 from mist-go/refactor-visibility
Refactor visibility
2026-05-13 22:25:59 +02:00
selimaj-dev a6ad375c58 fix logger 2026-05-13 07:37:55 +02:00
selimaj-dev e4eeb20a2c fix logger 2026-05-13 07:37:32 +02:00
selimaj-dev 5bdcd40edb Pub mod and pub use 2026-05-13 05:52:57 +02:00
selimaj-dev c1cb9bd7bf Refactor publicity system 2026-05-13 05:48:59 +02:00
51 changed files with 5311 additions and 2239 deletions
+3 -2
View File
@@ -26,5 +26,6 @@ target
/target
/mist-test/build
/mist-test/output.json
**/build
.mist/
Generated
+830 -3
View File
@@ -2,6 +2,40 @@
# It is not intended for manual editing.
version = 4
[[package]]
name = "async-trait"
version = "0.1.89"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "auto_impl"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ffdcb70bdbc4d478427380519163274ac86e52916e10f0a8889adf0f96d3fee7"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "bitflags"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bitflags"
version = "2.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3"
[[package]]
name = "block-buffer"
version = "0.10.4"
@@ -11,6 +45,45 @@ dependencies = [
"generic-array",
]
[[package]]
name = "bytes"
version = "1.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
[[package]]
name = "camino"
version = "1.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e629a66d692cb9ff1a1c664e41771b3dcaf961985a9774c0eb0bd1b51cf60a48"
dependencies = [
"serde_core",
]
[[package]]
name = "cargo-platform"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dd0061da739915fae12ea00e16397555ed4371a6bb285431aab930f61b0aa4ba"
dependencies = [
"serde",
"serde_core",
]
[[package]]
name = "cargo_metadata"
version = "0.23.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ef987d17b0a113becdd19d3d0022d04d7ef41f9efe4f3fb63ac44ba61df3ade9"
dependencies = [
"camino",
"cargo-platform",
"semver",
"serde",
"serde_json",
"thiserror",
]
[[package]]
name = "cfg-if"
version = "1.0.4"
@@ -26,6 +99,12 @@ dependencies = [
"libc",
]
[[package]]
name = "crossbeam-utils"
version = "0.8.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
[[package]]
name = "crypto-common"
version = "0.1.7"
@@ -36,6 +115,33 @@ dependencies = [
"typenum",
]
[[package]]
name = "dashmap"
version = "5.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "978747c1d849a7d2ee5e8adc0159961c48fb7e5db2f06af6723b80123bb53856"
dependencies = [
"cfg-if",
"hashbrown",
"lock_api",
"once_cell",
"parking_lot_core",
]
[[package]]
name = "dashmap"
version = "6.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e6361d5c062261c78a176addb82d4c821ae42bed6089de0e12603cd25de2059c"
dependencies = [
"cfg-if",
"crossbeam-utils",
"hashbrown",
"lock_api",
"once_cell",
"parking_lot_core",
]
[[package]]
name = "digest"
version = "0.10.7"
@@ -46,6 +152,112 @@ dependencies = [
"crypto-common",
]
[[package]]
name = "displaydoc"
version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
dependencies = [
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"quote",
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]
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"itoa",
"memchr",
"serde",
"serde_core",
"zmij",
]
[[package]]
name = "serde_repr"
version = "0.1.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "signal-hook-registry"
version = "1.4.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c4db69cba1110affc0e9f7bcd48bbf87b3f4fc7c61fc9155afd4c469eb3d6c1b"
dependencies = [
"errno",
"libc",
]
[[package]]
name = "slab"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "socket2"
version = "0.6.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
dependencies = [
"libc",
"windows-sys",
]
[[package]]
name = "stable_deref_trait"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
[[package]]
name = "syn"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "synstructure"
version = "0.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"proc-macro2",
"quote",
"syn",
]
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name = "tinystr"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"displaydoc",
"zerovec",
]
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name = "tokio"
version = "1.52.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8fc7f01b389ac15039e4dc9531aa973a135d7a4135281b12d7c1bc79fd57fffe"
dependencies = [
"bytes",
"libc",
"mio",
"parking_lot",
"pin-project-lite",
"signal-hook-registry",
"socket2",
"tokio-macros",
"windows-sys",
]
[[package]]
name = "tokio-macros"
version = "2.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"proc-macro2",
"quote",
"syn",
]
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name = "tokio-util"
version = "0.7.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ae9cec805b01e8fc3fd2fe289f89149a9b66dd16786abd8b19cfa7b48cb0098"
dependencies = [
"bytes",
"futures-core",
"futures-sink",
"pin-project-lite",
"tokio",
]
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name = "tower"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"futures-core",
"futures-util",
"pin-project",
"pin-project-lite",
"tower-layer",
"tower-service",
]
[[package]]
name = "tower-layer"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"async-trait",
"auto_impl",
"bytes",
"dashmap 5.5.3",
"futures",
"httparse",
"lsp-types",
"memchr",
"serde",
"serde_json",
"tokio",
"tokio-util",
"tower",
"tower-lsp-macros",
"tracing",
]
[[package]]
name = "tower-lsp-macros"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"proc-macro2",
"quote",
"syn",
]
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name = "tower-service"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
[[package]]
name = "tracing"
version = "0.1.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
dependencies = [
"pin-project-lite",
"tracing-attributes",
"tracing-core",
]
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name = "tracing-attributes"
version = "0.1.31"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"proc-macro2",
"quote",
"syn",
]
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name = "tracing-core"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"once_cell",
]
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name = "unicode-ident"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
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name = "url"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"idna",
"percent-encoding",
"serde",
"serde_derive",
]
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name = "utf8_iter"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "wasi"
version = "0.11.1+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
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name = "windows-link"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
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name = "windows-sys"
version = "0.61.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
dependencies = [
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]
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name = "writeable"
version = "0.6.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ffae5123b2d3fc086436f8834ae3ab053a283cfac8fe0a0b8eaae044768a4c4"
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name = "yoke"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "abe8c5fda708d9ca3df187cae8bfb9ceda00dd96231bed36e445a1a48e66f9ca"
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"stable_deref_trait",
"yoke-derive",
"zerofrom",
]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"syn",
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name = "zerotrie"
version = "0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0f9152d31db0792fa83f70fb2f83148effb5c1f5b8c7686c3459e361d9bc20bf"
dependencies = [
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"yoke",
"zerofrom",
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name = "zerovec"
version = "0.11.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"yoke",
"zerofrom",
"zerovec-derive",
]
[[package]]
name = "zerovec-derive"
version = "0.11.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "625dc425cab0dca6dc3c3319506e6593dcb08a9f387ea3b284dbd52a92c40555"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "zmij"
version = "1.0.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
+17
View File
@@ -0,0 +1,17 @@
[package]
name = "mist-analyzer"
version = "0.0.2"
edition = "2024"
description = "The Mist programming language Analyzer LSP"
license = "Apache-2.0"
repository = "https://github.com/mist-go/mist"
keywords = ["language-server", "language", "mist"]
categories = ["compilers"]
[dependencies]
mist-parser = { workspace = true }
mist-codegen = { workspace = true }
dashmap = "6.2.1"
tokio = { version = "1.52.3", features = ["full", "macros", "rt", "rt-multi-thread"] }
tower-lsp = "0.20.0"
+56
View File
@@ -0,0 +1,56 @@
use tower_lsp::jsonrpc::Result;
use tower_lsp::lsp_types::*;
use tower_lsp::{Client, LanguageServer, LspService, Server};
#[derive(Debug)]
struct Backend {
client: Client,
}
#[tower_lsp::async_trait]
impl LanguageServer for Backend {
async fn initialize(&self, _: InitializeParams) -> Result<InitializeResult> {
let mut res = InitializeResult::default();
res.capabilities.completion_provider = Some(CompletionOptions {
resolve_provider: None,
trigger_characters: None,
all_commit_characters: None,
work_done_progress_options: WorkDoneProgressOptions {
work_done_progress: None,
},
completion_item: None,
});
Ok(res)
}
async fn initialized(&self, _: InitializedParams) {
self.client
.log_message(MessageType::INFO, "server initialized!")
.await;
}
async fn completion(&self, _params: CompletionParams) -> Result<Option<CompletionResponse>> {
self.client
.log_message(MessageType::INFO, "getting completion")
.await;
Ok(Some(CompletionResponse::Array(vec![
CompletionItem::new_simple("new".to_string(), "The new keyword".to_string()),
])))
}
async fn shutdown(&self) -> Result<()> {
Ok(())
}
}
#[tokio::main]
pub async fn start() {
let stdin = tokio::io::stdin();
let stdout = tokio::io::stdout();
let (service, socket) = LspService::new(|client| Backend { client });
Server::new(stdin, stdout, socket).serve(service).await;
}
+12
View File
@@ -0,0 +1,12 @@
[package]
name = "mist-codegen"
version = "0.1.1"
edition = "2024"
description = "The Mist programming language Rust code generator"
license = "Apache-2.0"
repository = "https://github.com/mist-go/mist"
keywords = ["compiler", "language", "mist"]
categories = ["compilers"]
[dependencies]
mist-parser = { workspace = true }
+250
View File
@@ -0,0 +1,250 @@
use mist_parser::ast::*;
use crate::Context;
use crate::{GenRust, GetRust, RustCodegen};
impl GetRust for ExprPath {
fn get_rust(&self) -> String {
self.0
.iter()
.map(ExprPathSegment::get_rust)
.collect::<Vec<_>>()
.join("::")
}
}
impl GetRust for ExprPathSegment {
fn get_rust(&self) -> String {
format!(
"{}{}",
self.ident.get_rust(),
self.generics
.as_ref()
.map(|v| format!("::{}", v.get_rust()))
.unwrap_or_default()
)
}
}
impl GenRust for Literal {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
match self {
Self::Int(n) => cg.add(&n.to_string()),
Self::Float(n) => cg.add(&format!("{n:?}")),
Self::Bool(b) => cg.add(&b.to_string()),
Self::String(s) => cg.add(&format!("\"{s}\"")),
Self::Tuple(values) => {
cg.add("(");
for val in values {
val.gen_rust(ctx, cg);
}
cg.add(")");
}
Self::Array(values) => {
cg.add("[");
for val in values {
val.gen_rust(ctx, cg);
}
cg.add("]");
}
Self::ArrayRepeat(value, repeat) => {
cg.add("[");
value.gen_rust(ctx, cg);
cg.add("; ");
repeat.gen_rust(ctx, cg);
cg.add("]");
}
}
}
}
impl GenRust for Expression {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
let ensure_semicolon = if ctx.expr_ensure_semicolon {
ctx.expr_ensure_semicolon = false;
true
} else {
false
};
match self {
Expression::Path(path) => cg.add(&path.get_rust()),
Expression::Literal(literal) => literal.gen_rust(ctx, cg),
Expression::Statement(stmt) => stmt.gen_rust(ctx, cg),
Expression::Fix {
initial,
prefixes,
postfixes,
} => {
cg.add(&prefixes.get_rust());
initial.gen_rust(ctx, cg);
cg.add(&Some(prefixes).get_rust());
for postfix in postfixes {
postfix.gen_rust(ctx, cg);
}
}
// Safely integrated to handle the tree structure built by the Pratt Parser
Expression::Binary { lhs, op, rhs } => {
lhs.gen_rust(ctx, cg);
cg.add(op);
rhs.gen_rust(ctx, cg);
}
}
if ensure_semicolon {
ctx.expr_ensure_semicolon = true;
if !self.is_block() {
cg.add(";");
}
}
}
}
impl GetRust for Prefix {
fn get_rust(&self) -> String {
match self {
Self::Deref => "*",
Self::Ref => "&",
Self::RefMut => "&mut ",
Self::Not => "!",
Self::New(_) => "",
Self::Neg => "-",
}
.to_string()
}
}
impl GetRust for Vec<Prefix> {
fn get_rust(&self) -> String {
self.into_iter().map(Prefix::get_rust).collect()
}
}
impl GetRust for Option<&Vec<Prefix>> {
fn get_rust(&self) -> String {
if let Some(prefixes) = self {
prefixes
.into_iter()
.last()
.map(|p| match p {
Prefix::New(generics) => format!(
"::new{}",
generics
.clone()
.map(|v| format!("::{}", v.get_rust()))
.unwrap_or_default(),
),
_ => String::new(),
})
.unwrap_or_default()
.to_string()
} else {
String::new()
}
}
}
impl GenRust for Postfix {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
match self {
Postfix::FieldAccess(field, generics) => cg.add(&format!(
".{}{}",
field.get_rust(),
generics
.iter()
.map(|v| format!("::{}", v.get_rust()))
.collect::<String>()
)),
Postfix::Call(args) => {
cg.add("(");
for (i, arg) in args.iter().enumerate() {
if i > 0 {
cg.add(", ");
}
arg.gen_rust(ctx, cg);
}
cg.add(")");
}
Postfix::MacroCall(inner) => {
cg.add("!(");
cg.add(inner);
cg.add(")");
}
Postfix::StructCall(fields) => {
cg.add("{");
for (name, expr) in fields {
cg.add(&name.get_rust());
cg.add(": ");
expr.gen_rust(ctx, cg);
cg.add(",");
}
cg.add("}");
}
Postfix::Index(idx) => {
cg.add("[");
idx.gen_rust(ctx, cg);
cg.add("]");
}
Postfix::As(ty) => {
cg.add(" as ");
cg.add(&ty.get_rust());
}
Postfix::Try => cg.add("?"),
Postfix::Assign(cmp, expr) => {
cg.add(" ");
cg.add(cmp);
expr.gen_rust(ctx, cg);
}
Postfix::Increment => cg.add("+=1"),
Postfix::Decrement => cg.add("-=1"),
}
}
}
impl GetRust for Generics {
fn get_rust(&self) -> String {
if self.0.len() == 0 {
String::new()
} else {
format!(
"<{}>",
self.0
.iter()
.map(Generic::get_rust)
.collect::<Vec<_>>()
.join(", ")
)
}
}
}
impl GetRust for Generic {
fn get_rust(&self) -> String {
match self {
Self::Lifetime(name) => format!("'{}", name.get_rust()),
Self::Type(ty) => ty.get_rust(),
}
}
}
+264
View File
@@ -0,0 +1,264 @@
pub mod expr;
pub mod statement;
pub mod top_level;
use mist_parser::ast::*;
pub fn get_mutable(mutable: bool) -> String {
if mutable { "mut " } else { "" }.to_string()
}
pub struct Context {
pub expr_ensure_semicolon: bool,
}
pub trait GenRust {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen);
}
pub trait GetRust {
fn get_rust(&self) -> String;
}
#[derive(Default)]
pub struct RustCodegen {
output: String,
indent: usize,
}
impl RustCodegen {
pub fn new() -> Self {
Self {
output: String::new(),
indent: 0,
}
}
fn indent_str(&self) -> String {
" ".repeat(self.indent)
}
fn add(&mut self, s: &str) {
self.output.push_str(s);
}
fn addln(&mut self, s: &str) {
self.add(s);
self.add("\n");
}
fn add_indented(&mut self, s: &str) {
let line = format!("{}{}", self.indent_str(), s);
self.add(&line);
}
fn add_indentedln(&mut self, s: &str) {
let line = format!("{}{}\n", self.indent_str(), s);
self.add(&line);
}
pub fn generate(&mut self, toplevels: Vec<TopLevel>) -> String {
let mut ctx = Context {
expr_ensure_semicolon: true,
};
for tl in toplevels {
tl.gen_rust(&mut ctx, self);
}
self.output.clone()
}
pub fn ensure_brackets(&mut self, ctx: &mut Context, stmt: &Box<Statement>) {
match &**stmt {
Statement::Block(_) => stmt.gen_rust(ctx, self),
_ => {
self.add("{");
self.indent += 1;
stmt.gen_rust(ctx, self);
self.indent -= 1;
self.add("}");
}
}
}
pub fn ensure_brackets_expr(&mut self, ctx: &mut Context, expr: &Expression) {
match expr {
Expression::Statement(stmt) => self.ensure_brackets(ctx, stmt),
_ => {
self.add("{");
self.indent += 1;
expr.gen_rust(ctx, self);
self.indent -= 1;
self.add("}");
}
}
}
}
impl GenRust for Attribute {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
match self {
Self::Path(path) => cg.add(&path.get_rust()),
Self::NameValue { path, value } => {
cg.add(&format!("{} =", path.get_rust()));
value.gen_rust(ctx, cg);
}
Self::List { path, items } => {
cg.add(&path.get_rust());
for (i, item) in items.iter().enumerate() {
if i > 0 {
cg.add(", ");
}
item.gen_rust(ctx, cg);
}
}
}
}
}
impl<T: GetRust> GetRust for Spanned<T> {
fn get_rust(&self) -> String {
format!(
"/* {}:{} */ {}",
self.line,
self.column,
self.item.get_rust()
)
}
}
impl<T: GenRust> GenRust for Spanned<T> {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
cg.add_indentedln(&format!("/* {}:{} */", self.line, self.column));
cg.add_indented("");
self.item.gen_rust(ctx, cg);
}
}
impl GetRust for Path {
fn get_rust(&self) -> String {
self.0
.iter()
.map(Identifier::get_rust)
.collect::<Vec<String>>()
.join("::")
}
}
impl GetRust for TypePostfix {
fn get_rust(&self) -> String {
match self {
TypePostfix::Ref => format!("&"),
TypePostfix::RefMut => format!("&mut "),
TypePostfix::RefLifetime(lifetime) => format!("&'{} ", lifetime.get_rust()),
TypePostfix::RefMutLifetime(lifetime) => format!("&'{} mut ", lifetime.get_rust()),
TypePostfix::Dyn => format!("dyn "),
}
}
}
impl GetRust for Visibility {
fn get_rust(&self) -> String {
match self {
Visibility::Public => "pub ".to_string(),
Visibility::PublicTarget(path) => format!("pub({}) ", path.get_rust()),
Visibility::Private => "".to_string(),
}
}
}
impl GetRust for Identifier {
fn get_rust(&self) -> String {
self.0.clone()
}
}
impl GetRust for TypeExpr {
fn get_rust(&self) -> String {
self.1
.iter()
.map(TypePostfix::get_rust)
.rev()
.collect::<String>()
+ &self.0.get_rust()
}
}
pub fn get_static_type_path(path: &Path) -> String {
let rust_path = path.get_rust();
if rust_path == "void" {
format!("()")
} else {
rust_path
}
}
impl GetRust for TypeExprKind {
fn get_rust(&self) -> String {
match self {
TypeExprKind::Path(path) => get_static_type_path(path),
TypeExprKind::Lifetime(name) => format!("'{}", name.get_rust()),
TypeExprKind::PathParams(path, params) => {
format!(
"{}<{}>",
get_static_type_path(path),
params
.into_iter()
.map(|t| t.get_rust())
.collect::<Vec<_>>()
.join(", ")
)
}
TypeExprKind::Tuple(types) => format!(
"({})",
types
.into_iter()
.map(|t| t.get_rust())
.collect::<Vec<_>>()
.join(", ")
),
}
}
}
impl GenRust for Pattern {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
match self {
Self::Id(id) => cg.add(&id.get_rust()),
Self::Path(path) => cg.add(&path.get_rust()),
Self::Literal(lit) => lit.gen_rust(ctx, cg),
Self::Struct(path, ids) => {
cg.add(&path.get_rust());
cg.add(" {");
for id in ids {
cg.add(&id.get_rust());
cg.add(",");
}
cg.add("}");
}
Self::NamedTuple(path, ids) => {
cg.add(&path.get_rust());
cg.add(" (");
for id in ids {
cg.add(&id.get_rust());
cg.add(",");
}
cg.add(")");
}
Self::Tuple(ids) => {
cg.add("(");
for id in ids {
cg.add(&id.get_rust());
cg.add(",");
}
cg.add(")");
}
}
}
}
+189
View File
@@ -0,0 +1,189 @@
use mist_parser::ast::*;
use crate::{Context, get_mutable};
use crate::{GenRust, GetRust, RustCodegen};
impl GenRust for Block {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
cg.addln("{");
cg.indent += 1;
for stmt in &self.0 {
ctx.expr_ensure_semicolon = true;
stmt.gen_rust(ctx, cg);
cg.addln("");
}
if let Some(soft_return) = &self.1 {
ctx.expr_ensure_semicolon = false;
soft_return.gen_rust(ctx, cg);
cg.addln("");
}
cg.indent -= 1;
cg.add_indented("}");
}
}
impl GenRust for Statement {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
match self {
Statement::Block(block) => block.gen_rust(ctx, cg),
Statement::VarDecl(VarDeclStmt { decl, init }) => {
cg.add("let ");
decl.gen_rust(ctx, cg);
if let Some(init) = init {
cg.add(" = ");
init.gen_rust(ctx, cg);
}
}
Statement::Match(expr, match_items) => {
cg.add("match ");
expr.gen_rust(ctx, cg);
cg.add(" {");
cg.indent += 1;
for (pat, body) in match_items {
for (i, p) in pat.iter().enumerate() {
cg.addln("");
cg.add_indented("");
if i > 0 {
cg.add(" | ");
}
p.gen_rust(ctx, cg);
}
cg.add(" => ");
cg.ensure_brackets_expr(ctx, body);
}
cg.indent -= 1;
cg.addln("");
cg.add_indented("}");
}
Statement::If {
initial,
else_if,
else_branch,
} => {
cg.add("if ");
initial.condition.gen_rust(ctx, cg);
cg.add(" ");
cg.ensure_brackets_expr(ctx, &initial.body);
for else_if_branch in else_if {
cg.add("else if");
else_if_branch.condition.gen_rust(ctx, cg);
cg.add(" ");
cg.ensure_brackets_expr(ctx, &else_if_branch.body);
}
if let Some(else_br) = else_branch {
cg.add(" else ");
cg.ensure_brackets_expr(ctx, else_br);
}
}
Statement::While(StatementBranch { condition, body }) => {
cg.add("while ");
condition.gen_rust(ctx, cg);
cg.add(" ");
cg.ensure_brackets_expr(ctx, body);
}
Statement::Loop(body) => {
cg.add("loop ");
cg.ensure_brackets_expr(ctx, body);
}
Statement::CStyleFor {
init,
condition,
update,
body,
} => {
cg.addln("{");
cg.indent += 1;
ctx.expr_ensure_semicolon = true;
cg.add_indented("");
init.gen_rust(ctx, cg);
cg.addln("");
cg.add_indented("while ");
ctx.expr_ensure_semicolon = false;
condition.gen_rust(ctx, cg);
cg.add(" ");
cg.add("{");
cg.indent += 1;
ctx.expr_ensure_semicolon = true;
body.gen_rust(ctx, cg);
update.gen_rust(ctx, cg);
cg.addln("");
cg.indent -= 1;
cg.add_indentedln("}");
cg.indent -= 1;
cg.add_indented("}");
}
Statement::For {
mutable,
pattern,
iterator,
body,
} => {
cg.add("for ");
cg.add(&get_mutable(*mutable));
pattern.gen_rust(ctx, cg);
cg.add(" in ");
iterator.gen_rust(ctx, cg);
cg.ensure_brackets_expr(ctx, body);
}
Statement::Return(expr) => {
cg.add("return ");
if let Some(expr) = expr {
expr.gen_rust(ctx, cg);
}
}
Statement::Break => cg.add_indentedln("break"),
Statement::Continue => cg.add_indentedln("continue"),
}
}
}
impl GenRust for VarDecl {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
cg.add(&get_mutable(self.mutable));
self.name.gen_rust(ctx, cg);
cg.add(
&self
.type_
.as_ref()
.map(|t| format!(": {}", t.get_rust()))
.unwrap_or_default(),
);
}
}
+402
View File
@@ -0,0 +1,402 @@
use mist_parser::ast::*;
use crate::Context;
use crate::{GenRust, GetRust, RustCodegen};
impl GetRust for GenericsDecl {
fn get_rust(&self) -> String {
if self.0.len() == 0 {
String::new()
} else {
format!(
"<{}>",
self.0
.iter()
.map(|v| v.get_rust())
.collect::<Vec<_>>()
.join(", ")
)
}
}
}
impl GetRust for GenericDecl {
fn get_rust(&self) -> String {
match self {
GenericDecl::Lifetime(name) => format!("'{}", name.get_rust()),
GenericDecl::Type(name, requirements) => {
name.get_rust()
+ &(if requirements.len() != 0 {
format!(
": {}",
requirements
.into_iter()
.map(TypeExpr::get_rust)
.collect::<Vec<_>>()
.join("+")
)
} else {
String::new()
})
}
}
}
}
impl GenRust for ImplDecl {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
if let Some(trait_) = &self.trait_ {
cg.add_indentedln(&format!(
"impl{} {} for {} {{",
self.generics.get_rust(),
trait_.get_rust(),
self.target.get_rust()
));
} else {
cg.add_indentedln(&format!(
"impl{} {} {{",
self.generics.get_rust(),
self.target.get_rust()
));
}
cg.indent += 1;
for method in &self.methods {
method.gen_rust(ctx, cg);
}
cg.indent -= 1;
cg.add_indentedln("}");
}
}
impl GenRust for FunctionDecl {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
cg.add(&format!(
"{}fn {}{}(",
self.visibility.get_rust(),
self.name.get_rust(),
self.generics.get_rust(),
));
for (i, param) in self.params.0.iter().enumerate() {
if i > 0 {
cg.add(", ");
}
param.gen_rust(ctx, cg);
}
cg.add(") -> ");
cg.add(&self.return_type.get_rust());
if let Some(body) = &self.body {
cg.add(" ");
body.gen_rust(ctx, cg);
} else {
cg.add(";");
}
}
}
impl GetRust for FieldDecl {
fn get_rust(&self) -> String {
format!(
"{}{}: {},",
self.visibility.get_rust(),
self.name.get_rust(),
self.type_.get_rust()
)
}
}
impl GetRust for EnumItem {
fn get_rust(&self) -> String {
match self {
Self::Named(id) => id.get_rust(),
Self::Struct(id, s) => format!(
"{} {{{}}}",
id.get_rust(),
s.into_iter()
.map(|field| format!("{}: {}", field.name.get_rust(), field.type_.get_rust()))
.collect::<Vec<_>>()
.join(", ")
),
Self::Tuple(id, t) => format!(
"{} ({})",
id.get_rust(),
t.into_iter()
.map(TypeExpr::get_rust)
.collect::<Vec<_>>()
.join(", ")
),
}
}
}
impl GenRust for ParamList {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
for (i, param) in self.0.iter().enumerate() {
if i > 0 {
cg.add(", ");
}
param.gen_rust(ctx, cg);
}
}
}
impl GenRust for TopLevel {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
if let TopLevelKind::ModAttribute = self.0.item {
for attr in &self.1 {
cg.add("#![");
attr.gen_rust(ctx, cg);
cg.addln("]");
}
} else {
for attr in &self.1 {
cg.add("#[");
attr.gen_rust(ctx, cg);
cg.addln("]");
}
}
self.0.gen_rust(ctx, cg);
}
}
impl GenRust for (&Vec<Spanned<FieldDeclStmt>>, &Spanned<ClassConstructor>) {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
cg.add_indented(&format!(
"{}fn new{}(",
self.1.item.visibility.get_rust(),
self.1.item.generics.get_rust()
));
self.1.item.params.gen_rust(ctx, cg);
cg.addln(") -> Self {");
cg.indent += 1;
cg.add_indentedln("let mut this: Self = unsafe { std::mem::MaybeUninit::<Self>::zeroed().assume_init() };");
for field in self.0 {
let comment = field.get_comment();
if let Some(init) = &field.item.init {
cg.add_indentedln(&comment);
cg.add_indentedln(&format!("this.{} = ", field.item.decl.name.get_rust()));
init.gen_rust(ctx, cg);
}
}
cg.add_indented(&format!("this.constructor("));
for (i, param) in self.1.item.params.0.iter().enumerate() {
if i > 0 {
cg.add(", ");
}
param.name.gen_rust(ctx, cg);
}
cg.addln(");");
cg.add_indentedln("this");
cg.indent -= 1;
cg.add_indentedln("}\n");
let mut constructor_params = vec![VarDecl {
mutable: false,
name: Pattern::Id(Identifier(String::from("self"))),
type_: Some(TypeExpr(
TypeExprKind::Path(Path(vec![Identifier(String::from("Self"))])),
vec![TypePostfix::RefMut],
)),
}];
constructor_params.append(&mut self.1.item.params.0.clone());
Spanned {
line: self.1.line,
column: self.1.column,
item: FunctionDecl {
visibility: self.1.item.visibility.clone(),
name: Identifier(String::from("constructor")),
generics: self.1.item.generics.clone(),
params: ParamList(constructor_params),
return_type: TypeExpr::no_px(TypeExprKind::Tuple(Vec::new())),
body: Some(self.1.item.body.clone()),
},
}
.gen_rust(ctx, cg);
}
}
impl GenRust for TopLevelKind {
fn gen_rust(&self, ctx: &mut Context, cg: &mut RustCodegen) {
match self {
Self::ModAttribute => {}
Self::Import(vis, path) => {
cg.addln(&format!("{}use {};", vis.get_rust(), path.get_rust()))
}
Self::Mod(vis, id) => cg.addln(&format!("{}mod {};", vis.get_rust(), id.get_rust())),
Self::FunctionDecl(decl) => decl.gen_rust(ctx, cg),
Self::ImplDecl(impl_) => impl_.gen_rust(ctx, cg),
Self::StructDecl {
visibility,
name,
generics,
fields,
} => {
cg.addln(&format!(
"{}struct {}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust()
));
cg.indent += 1;
for field in fields {
cg.add_indentedln(&field.get_rust());
}
cg.indent -= 1;
cg.addln("}\n");
}
Self::EnumDecl {
visibility,
name,
generics,
fields,
} => {
cg.addln(&format!(
"{}enum {}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust()
));
cg.indent += 1;
for field in fields {
cg.add_indentedln(&(field.get_rust() + ","));
}
cg.indent -= 1;
cg.addln("}\n");
}
Self::TraitDecl {
visibility,
name,
generics,
requirements,
items,
} => {
cg.addln(&format!(
"{}trait {}{}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust(),
if requirements.len() != 0 {
String::from(": ")
+ &requirements
.into_iter()
.map(TypeExpr::get_rust)
.collect::<Vec<_>>()
.join("+")
} else {
String::new()
},
));
cg.indent += 1;
for item in items {
item.gen_rust(ctx, cg);
}
cg.indent -= 1;
cg.addln("}\n");
}
Self::ClassDecl {
visibility,
name,
generics,
fields,
constructor,
items,
} => {
// Struct decl
cg.addln(&format!(
"{}struct {}{} {{",
visibility.get_rust(),
name.clone().get_rust(),
generics.clone().get_rust()
));
cg.indent += 1;
for field in fields.clone() {
cg.add_indentedln(&field.get_comment());
cg.add_indentedln(&field.item.decl.get_rust());
}
cg.indent -= 1;
cg.addln("}\n");
// Constructor
cg.addln(&format!(
"impl{} {}{} {{",
generics.clone().get_rust(),
name.clone().get_rust(),
format!(
"<{}>",
generics
.clone()
.0
.into_iter()
.map(|v| Generic::from(v).get_rust())
.collect::<Vec<_>>()
.join(", ")
)
));
cg.indent += 1;
let constructor_comment = constructor.get_comment();
cg.add_indentedln("#[allow(invalid_value)]");
cg.add_indentedln(&constructor_comment);
(fields, constructor).gen_rust(ctx, cg);
for item in items.clone() {
match item {
ClassItem::ImplDecl(_) => {}
ClassItem::Method(method) => method.gen_rust(ctx, cg),
}
}
cg.indent -= 1;
cg.addln("}\n");
for item in items {
match item {
ClassItem::ImplDecl(impl_) => {
let mut impl_ = impl_.clone();
impl_.item.trait_ = Some(impl_.item.target);
impl_.item.target =
TypeExpr(TypeExprKind::Path(Path(vec![name.clone()])), Vec::new());
impl_.gen_rust(ctx, cg);
}
ClassItem::Method(_) => {}
}
}
}
}
}
}
@@ -1,12 +1,12 @@
[package]
name = "mist-parser"
version = "0.1.0"
version = "0.1.5"
edition = "2024"
description = "The Mist programming language parser"
license = "Apache-2.0"
repository = "https://github.com/mist-go/mist"
keywords = ["compiler", "language", "mist"]
categories = ["compilers"]
categories = ["compilers", "parser-implementations", "parsing"]
[dependencies]
pest = "2.8.6"
+93
View File
@@ -0,0 +1,93 @@
use serde::Serialize;
use super::*;
#[derive(Debug, Clone, Serialize)]
pub enum Expression {
Literal(Literal),
Path(ExprPath),
Statement(Box<Statement>),
Fix {
initial: Box<Expression>,
prefixes: Vec<Prefix>,
postfixes: Vec<Postfix>,
},
Binary {
lhs: Box<Expression>,
op: String,
rhs: Box<Expression>,
},
}
#[derive(Debug, Clone, Serialize)]
pub enum Literal {
String(String),
Int(i64),
Float(f64),
Bool(bool),
Tuple(Vec<Expression>),
Array(Vec<Expression>),
ArrayRepeat(Box<Expression>, Box<Expression>),
}
#[derive(Debug, Clone, Serialize)]
pub enum Pattern {
NamedTuple(Path, Vec<Identifier>),
Struct(Path, Vec<Identifier>),
Tuple(Vec<Identifier>),
Literal(Literal),
Path(Path),
Id(Identifier),
}
#[derive(Debug, Clone, Serialize)]
pub enum Postfix {
FieldAccess(Identifier, Option<Generics>),
Call(Vec<Expression>),
MacroCall(String),
StructCall(Vec<(Identifier, Expression)>),
Assign(String, Box<Expression>),
Index(Expression),
As(TypeExpr),
Increment,
Decrement,
Try,
}
#[derive(Debug, Clone, Serialize)]
pub enum Prefix {
Ref,
RefMut,
Deref,
New(Option<Generics>),
Not,
Neg,
}
#[derive(Debug, Clone, Serialize)]
pub struct ExprPathSegment {
pub ident: Identifier,
pub generics: Option<Generics>,
}
#[derive(Debug, Clone, Serialize)]
pub struct ExprPath(pub Vec<ExprPathSegment>);
#[derive(Debug, Clone, Serialize)]
pub struct Generics(pub Vec<Generic>);
#[derive(Debug, Clone, Serialize)]
pub enum Generic {
Lifetime(Identifier),
Type(TypeExpr),
}
impl Expression {
pub fn is_block(&self) -> bool {
if let Expression::Statement(stmt) = self {
stmt.is_block()
} else {
false
}
}
}
+68
View File
@@ -0,0 +1,68 @@
use serde::Serialize;
pub mod expr;
pub mod statement;
pub mod top_level;
pub use expr::*;
pub use statement::*;
pub use top_level::*;
#[derive(Debug, Clone, Serialize)]
pub struct Path(pub Vec<Identifier>);
#[derive(Debug, Clone, Serialize)]
pub struct Identifier(pub String);
#[derive(Debug, Clone, Serialize, Default)]
pub struct ParamList(pub Vec<VarDecl>);
#[derive(Debug, Clone, Serialize)]
pub struct TypeExpr(pub TypeExprKind, pub Vec<TypePostfix>);
#[derive(Debug, Clone, Serialize)]
pub enum TypePostfix {
Ref,
RefMut,
RefLifetime(Identifier),
RefMutLifetime(Identifier),
Dyn,
}
#[derive(Debug, Clone, Serialize)]
pub enum TypeExprKind {
Path(Path),
PathParams(Path, Vec<TypeExpr>),
Tuple(Vec<TypeExpr>),
Lifetime(Identifier),
}
#[derive(Debug, Clone, Serialize)]
pub struct Spanned<T> {
pub line: usize,
pub column: usize,
pub item: T,
}
impl TypeExpr {
pub fn no_px(kind: TypeExprKind) -> Self {
Self(kind, Vec::new())
}
}
impl From<GenericDecl> for Generic {
fn from(value: GenericDecl) -> Self {
match value {
GenericDecl::Lifetime(life) => Generic::Lifetime(life),
GenericDecl::Type(ty, _) => {
Generic::Type(TypeExpr(TypeExprKind::Path(Path(vec![ty])), Vec::new()))
}
}
}
}
impl<T> Spanned<T> {
pub fn get_comment(&self) -> String {
format!("/* {}:{} */", self.line, self.column)
}
}
+82
View File
@@ -0,0 +1,82 @@
use serde::Serialize;
use super::*;
#[derive(Debug, Clone, Serialize, Default)]
pub struct Block(
pub Vec<Spanned<Expression>>,
pub Option<Spanned<Expression>>,
);
#[derive(Debug, Clone, Serialize)]
pub enum Statement {
Block(Block),
If {
initial: StatementBranch,
else_if: Vec<StatementBranch>,
else_branch: Option<Box<Expression>>,
},
Loop(Expression),
While(StatementBranch),
CStyleFor {
init: Expression,
condition: Expression,
update: Expression,
body: Expression,
},
For {
mutable: bool,
pattern: Pattern,
iterator: Expression,
body: Box<Expression>,
},
Match(Expression, Vec<(Vec<Pattern>, Expression)>),
VarDecl(VarDeclStmt),
Return(Option<Expression>),
Break,
Continue,
}
#[derive(Debug, Clone, Serialize)]
pub struct VarDecl {
pub mutable: bool,
pub name: Pattern,
pub type_: Option<TypeExpr>,
}
#[derive(Debug, Clone, Serialize)]
pub struct VarDeclStmt {
pub decl: VarDecl,
pub init: Option<Expression>,
}
#[derive(Debug, Clone, Serialize)]
pub struct StatementBranch {
pub condition: Expression,
pub body: Box<Expression>,
}
impl Statement {
pub fn is_block(&self) -> bool {
match self {
Self::Block(_) => true,
Self::If {
initial,
else_if,
else_branch,
} => {
else_branch
.as_ref()
.map(|v| v.is_block())
.unwrap_or_default()
|| else_if
.last()
.map(|b| b.body.is_block())
.unwrap_or_default()
|| initial.body.is_block()
}
_ => false,
}
}
}
+122
View File
@@ -0,0 +1,122 @@
use serde::Serialize;
use super::*;
#[derive(Debug, Clone, Serialize)]
pub enum Visibility {
Public,
PublicTarget(Path),
Private,
}
#[derive(Debug, Clone, Serialize)]
pub enum Attribute {
/// #[test]
Path(Path),
/// #[name = "value"]
NameValue { path: Path, value: Literal },
/// #[derive(Clone, Copy)]
List { path: Path, items: Vec<Attribute> },
}
#[derive(Debug, Clone, Serialize)]
pub struct TopLevel(pub Spanned<TopLevelKind>, pub Vec<Attribute>);
#[derive(Debug, Clone, Serialize)]
pub enum TopLevelKind {
ModAttribute,
Import(Visibility, Path),
Mod(Visibility, Identifier),
ImplDecl(ImplDecl),
TraitDecl {
visibility: Visibility,
name: Identifier,
generics: GenericsDecl,
requirements: Vec<TypeExpr>,
items: Vec<Spanned<FunctionDecl>>,
},
EnumDecl {
visibility: Visibility,
name: Identifier,
generics: GenericsDecl,
fields: Vec<Spanned<EnumItem>>,
},
StructDecl {
visibility: Visibility,
name: Identifier,
generics: GenericsDecl,
fields: Vec<Spanned<FieldDecl>>,
},
FunctionDecl(FunctionDecl),
ClassDecl {
visibility: Visibility,
name: Identifier,
generics: GenericsDecl,
fields: Vec<Spanned<FieldDeclStmt>>,
constructor: Spanned<ClassConstructor>,
items: Vec<ClassItem>,
},
}
#[derive(Debug, Clone, Serialize)]
pub enum ClassItem {
Method(Spanned<FunctionDecl>),
ImplDecl(Spanned<ImplDecl>),
}
#[derive(Debug, Clone, Serialize, Default)]
pub struct GenericsDecl(pub Vec<GenericDecl>);
#[derive(Debug, Clone, Serialize)]
pub enum GenericDecl {
Lifetime(Identifier),
Type(Identifier, Vec<TypeExpr>),
}
#[derive(Debug, Clone, Serialize)]
pub enum EnumItem {
Named(Identifier),
Tuple(Identifier, Vec<TypeExpr>),
Struct(Identifier, Vec<FieldDecl>),
}
#[derive(Debug, Clone, Serialize)]
pub struct ClassConstructor {
pub visibility: Visibility,
pub generics: GenericsDecl,
pub params: ParamList,
pub body: Block,
}
#[derive(Debug, Clone, Serialize)]
pub struct FunctionDecl {
pub visibility: Visibility,
pub name: Identifier,
pub generics: GenericsDecl,
pub params: ParamList,
pub return_type: TypeExpr,
pub body: Option<Block>,
}
#[derive(Debug, Clone, Serialize)]
pub struct ImplDecl {
pub generics: GenericsDecl,
pub target: TypeExpr,
pub trait_: Option<TypeExpr>,
pub methods: Vec<Spanned<FunctionDecl>>,
}
#[derive(Debug, Clone, Serialize)]
pub struct FieldDecl {
pub visibility: Visibility,
pub type_: TypeExpr,
pub name: Identifier,
}
#[derive(Debug, Clone, Serialize)]
pub struct FieldDeclStmt {
pub decl: FieldDecl,
pub init: Option<Expression>,
}
+167
View File
@@ -0,0 +1,167 @@
use std::fmt::Debug;
use pest::iterators::Pair;
use crate::Rule;
pub type AstResult<'a, T, ET = T> = Result<T, AstError<'a, ET>>;
#[derive(Debug, Clone)]
pub enum ParseError<'a, T> {
PreAst(pest::error::Error<Rule>),
Ast(AstError<'a, T>),
}
#[derive(Debug, Clone)]
pub struct AstError<'a, T> {
pub span: pest::Span<'a>,
pub error_code: ErrorCode,
pub error_message: String,
pub recovered: Option<T>,
}
#[derive(Debug, Clone)]
pub enum ErrorCode {
InvalidStatement,
AstGenBug,
}
impl<T> From<pest::error::Error<Rule>> for ParseError<'_, T> {
fn from(value: pest::error::Error<Rule>) -> Self {
Self::PreAst(value)
}
}
impl<'a, T> From<AstError<'a, T>> for ParseError<'a, T> {
fn from(value: AstError<'a, T>) -> Self {
Self::Ast(value)
}
}
impl<'a, F> AstError<'a, F> {
pub fn get<T>(self) -> AstError<'a, T> {
AstError {
span: self.span,
error_code: self.error_code,
error_message: self.error_message,
recovered: None,
}
}
#[track_caller]
pub fn bug_unimplemented<T>(pair: Pair<'a, Rule>) -> AstResult<'a, T, F> {
let loc = std::panic::Location::caller();
Err(Self {
span: pair.as_span(),
error_code: ErrorCode::AstGenBug,
error_message: format!(
"Possible bug, unimplemented: {:#?}, at {}:{}",
pair.as_rule(),
loc.file(),
loc.line(),
),
recovered: None,
})
}
}
pub trait IntoErr<T, FA, FR> {
fn get(self) -> T;
fn get_map(self, m: impl Fn(FA) -> FR) -> T;
}
impl<'a, T, TE, TE2> IntoErr<AstResult<'a, T, TE2>, TE, TE2> for AstResult<'a, T, TE> {
fn get(self) -> AstResult<'a, T, TE2> {
self.map_err(AstError::get)
}
fn get_map(self, m: impl Fn(TE) -> TE2) -> AstResult<'a, T, TE2> {
self.map_err(|e| AstError {
span: e.span,
error_code: e.error_code,
error_message: e.error_message,
recovered: e.recovered.map(m),
})
}
}
pub trait GetLength {
fn len(&self) -> usize;
}
impl<T, E> GetLength for Result<Vec<T>, E> {
fn len(&self) -> usize {
if let Ok(v) = self { v.len() } else { 0 }
}
}
pub fn collect_recovered<'a, T: Debug, ET>(
pairs: impl Iterator<Item = pest::iterators::Pair<'a, Rule>>,
) -> AstResult<'a, Vec<T>, Vec<T>>
where
T: TryFrom<pest::iterators::Pair<'a, Rule>, Error = AstError<'a, ET>>,
{
collect_recovered_map(pairs, T::try_from)
}
pub fn collect_recovered_map<'a, T: Debug, F, ET>(
pairs: impl Iterator<Item = pest::iterators::Pair<'a, Rule>>,
f: F,
) -> AstResult<'a, Vec<T>, Vec<T>>
where
F: Fn(pest::iterators::Pair<'a, Rule>) -> AstResult<'a, T, ET>,
{
let mut items = Vec::new();
let mut last_error: Option<AstError<'a, ET>> = None;
for pair in pairs {
match f(pair) {
Ok(item) => items.push(item),
Err(e) => {
last_error = Some(e);
}
}
}
match last_error {
Some(ast_err) => Err(AstError {
span: ast_err.span,
error_code: ast_err.error_code,
error_message: ast_err.error_message,
recovered: Some(items),
}),
None => Ok(items),
}
}
pub struct AstErrorAnalyzer<'a, T>(pub Option<AstError<'a, T>>);
impl<'a, T> AstErrorAnalyzer<'a, T> {
pub fn get<V: Clone, V2: Clone + Into<V>>(
&mut self,
r: AstResult<'a, V, V2>,
) -> AstResult<'a, V, V2> {
if let Err(e) = r {
self.0 = Some(e.clone().get());
if let Some(recovered) = e.recovered {
Ok(recovered.into())
} else {
Err(e)
}
} else {
r
}
}
pub fn build(self, v: T) -> AstResult<'a, T> {
if let Some(mut e) = self.0 {
e.recovered = Some(v);
Err(e)
} else {
Ok(v)
}
}
}
@@ -9,7 +9,32 @@ COMMENT = _{ "//" ~ (!"\n" ~ ANY)* }
// PRIMITIVES
// ------------------------------------------------------
identifier = @{ (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "_")* }
keyword = {
"if"
| "else"
| "for"
| "while"
| "match"
| "return"
| "break"
| "continue"
| "struct"
| "enum"
| "class"
| "trait"
| "impl"
| "pub"
| "mut"
| "var"
| "true"
| "false"
| "dyn"
| "loop"
}
identifier = @{
!(keyword ~ !(ASCII_ALPHANUMERIC | "_")) ~ (ASCII_ALPHA | "_") ~ (ASCII_ALPHANUMERIC | "_")*
}
integer = @{ ASCII_DIGIT+ }
@@ -48,14 +73,17 @@ program = {
// MODIFIERS
// ======================================================
export = { "public" }
visibility = { "pub" ~ ("(" ~ static_path ~ ")")? }
mutable = { "mut" }
var = { "var" }
// ======================================================
// GENERICS
// ======================================================
generic = { lifetime | (identifier ~ (":" ~ type_expr_param ~ ("+" ~ type_expr_param)*)?) }
generic_decl = { lifetime | (identifier ~ (":" ~ type_expr_param ~ ("+" ~ type_expr_param)*)?) }
generics_decl = { "<" ~ (generic_decl ~ ("," ~ generic_decl)*)? ~ ">" }
generic = { lifetime | type_expr_param }
generics = { "<" ~ (generic ~ ("," ~ generic)*)? ~ ">" }
// ======================================================
@@ -74,8 +102,12 @@ ref_type = {
mutable? ~ lifetime? ~ "*"
}
dyn_type = {
"dyn"
}
type_expr = {
(path_type | tuple_type) ~ ref_type*
(path_type | tuple_type) ~ (ref_type | dyn_type)*
}
lifetime = {
@@ -103,11 +135,11 @@ literal = {
// ======================================================
tuple_pattern = {
"(" ~ (identifier ~ ("," ~ identifier)*)? ~ ")"
"[" ~ (identifier ~ ("," ~ identifier)*) ~ "]"
}
named_tuple_pattern = {
static_path ~ "(" ~ (identifier ~ ("," ~ identifier)*)? ~ ")"
static_path ~ "[" ~ (identifier ~ ("," ~ identifier)*)? ~ "]"
}
struct_pattern = {
@@ -154,7 +186,7 @@ var_decl = {
}
field = {
export? ~ type_expr ~ identifier
visibility? ~ type_expr ~ identifier
}
field_list = {
@@ -170,11 +202,11 @@ param_list = {
// ======================================================
import = {
"use" ~ "<" ~ static_path ~ ">" ~ semicolon
visibility? ~ "use" ~ "<" ~ static_path ~ ">" ~ semicolon
}
mod_package = {
"mod" ~ identifier ~ semicolon
visibility? ~ "mod" ~ identifier ~ semicolon
}
// ======================================================
@@ -182,7 +214,7 @@ mod_package = {
// ======================================================
struct_decl = {
export? ~ "struct" ~ identifier ~ generics? ~ "{" ~ field_list? ~ "}"
visibility? ~ "struct" ~ identifier ~ generics_decl? ~ "{" ~ field_list? ~ "}"
}
// ======================================================
@@ -212,7 +244,7 @@ enum_fields = _{
}
enum_decl = {
export? ~ "enum" ~ identifier ~ generics? ~ "{" ~ enum_fields ~ "}"
visibility? ~ "enum" ~ identifier ~ generics_decl? ~ "{" ~ enum_fields ~ "}"
}
// ======================================================
@@ -220,7 +252,7 @@ enum_decl = {
// ======================================================
class_constructor = {
export? ~ "constructor" ~ generics? ~ "(" ~ param_list? ~ ")" ~ block
visibility? ~ "constructor" ~ generics_decl? ~ "(" ~ param_list? ~ ")" ~ block
}
class_fields = {
@@ -236,7 +268,7 @@ self_param = {
}
method = {
export? ~ type_expr ~ identifier ~ generics? ~ "(" ~ self_param? ~ ("," ~ param_list?)? ~ ")" ~ block
visibility? ~ type_expr ~ identifier ~ generics_decl? ~ "(" ~ self_param? ~ ("," ~ param_list?)? ~ ")" ~ block
}
class_item = _{
@@ -245,18 +277,18 @@ class_item = _{
}
class_decl = {
export? ~ "class" ~ identifier ~ generics? ~ "{" ~ class_fields ~ class_constructor ~ class_item* ~ "}"
visibility? ~ "class" ~ identifier ~ generics_decl? ~ "{" ~ class_fields ~ class_constructor ~ class_item* ~ "}"
}
// ======================================================
// IMPL
// ======================================================
impl_for_decl = {
"impl" ~ generics? ~ type_expr ~ "for" ~ type_expr ~ "{" ~ method* ~ "}"
"impl" ~ generics_decl? ~ type_expr ~ "for" ~ type_expr ~ "{" ~ method* ~ "}"
}
impl_decl = {
"impl" ~ generics? ~ type_expr ~ "{" ~ method* ~ "}"
"impl" ~ generics_decl? ~ type_expr ~ "{" ~ method* ~ "}"
}
// ======================================================
@@ -265,7 +297,7 @@ impl_decl = {
trait_requirements = { ":" ~ type_expr_param ~ ("+" ~ type_expr_param)* }
method_no_body = {
export? ~ type_expr ~ identifier ~ generics? ~ "(" ~ self_param? ~ ("," ~ param_list?)? ~ ")" ~ semicolon
visibility? ~ type_expr ~ identifier ~ generics_decl? ~ "(" ~ self_param? ~ ("," ~ param_list?)? ~ ")" ~ semicolon
}
trait_item = _{
@@ -274,7 +306,7 @@ trait_item = _{
}
trait_decl = {
export? ~ "trait" ~ identifier ~ generics? ~ trait_requirements? ~ "{" ~ trait_item* ~ "}"
visibility? ~ "trait" ~ identifier ~ generics_decl? ~ trait_requirements? ~ "{" ~ trait_item* ~ "}"
}
// ======================================================
@@ -282,7 +314,7 @@ trait_decl = {
// ======================================================
function_decl = {
export? ~ type_expr ~ identifier ~ "(" ~ param_list? ~ ")" ~ block
visibility? ~ type_expr ~ identifier ~ "(" ~ param_list? ~ ")" ~ block
}
// ======================================================
@@ -299,7 +331,7 @@ top_level = {
// ======================================================
block = {
"{" ~ statement_list ~ "}"
"{" ~ statement_list ~ expr? ~ "}"
}
statement_list = {
@@ -307,54 +339,55 @@ statement_list = {
}
statement = _{
expr_stmt
| match_stmt
| assign_statement
| if_stmt
| while_stmt
| c_for_stmt
| for_stmt
| return_stmt
| break_stmt
| continue_stmt
| block
| var_decl_statement
control_flow
| (expr ~ semicolon)
}
// ------------------------------------------------------
// BASIC STATEMENTS
// ------------------------------------------------------
expr_stmt = {
expr ~ semicolon
basic_stmt = {
return_stmt
| break_stmt
| continue_stmt
| var_decl_statement
}
return_stmt = {
"return" ~ expr? ~ semicolon
"return" ~ expr?
}
break_stmt = {
"break" ~ semicolon
"break"
}
continue_stmt = {
"continue" ~ semicolon
"continue"
}
var_decl_statement = {
var_decl ~ ("=" ~ expr)? ~ semicolon
}
assign_statement = {
expr ~ "=" ~ expr ~ semicolon
var_decl ~ ("=" ~ expr)?
}
// ------------------------------------------------------
// CONDITIONALS
// ------------------------------------------------------
control_flow = {
if_stmt
| while_stmt
| c_for_stmt
| for_stmt
| match_stmt
| loop_stmt
| block
}
statement_branch = { "(" ~ expr ~ ")" ~ statement }
else_if = {
"else" ~ "if" ~ "(" ~ expr ~ ")" ~ statement
"else" ~ "if" ~ statement_branch
}
else_if_list = {
@@ -362,7 +395,7 @@ else_if_list = {
}
if_stmt = {
"if" ~ "(" ~ expr ~ ")" ~ statement ~ else_if_list ~ ("else" ~ statement)?
"if" ~ statement_branch ~ else_if_list ~ ("else" ~ statement)?
}
// ------------------------------------------------------
@@ -370,23 +403,29 @@ if_stmt = {
// ------------------------------------------------------
while_stmt = {
"while" ~ "(" ~ expr ~ ")" ~ statement
"while" ~ statement_branch
}
c_for_stmt = {
"for" ~ "(" ~ statement ~ expr ~ semicolon ~ statement ~ ")" ~ statement
"for" ~ "(" ~ statement ~ statement ~ expr ~ ")" ~ statement
}
for_stmt = {
"for" ~ "(" ~ mutable? ~ pattern ~ "in" ~ expr ~ ")" ~ statement
"for" ~ "(" ~ mutable? ~ pattern ~ ":" ~ expr ~ ")" ~ statement
}
loop_stmt = {
"loop" ~ statement
}
// ------------------------------------------------------
// MATCH
// ------------------------------------------------------
pattern_list = { pattern ~ ("|" ~ pattern)* }
match_item = {
pattern ~ "=>" ~ block
pattern_list ~ "=>" ~ statement
}
match_stmt = {
@@ -398,19 +437,26 @@ match_stmt = {
// ======================================================
// ------------------------------------------------------
// TUPLES
// TUPLES & ARRAYS
// ------------------------------------------------------
tuple = {
"(" ~ (expr ~ ("," ~ expr)*)? ~ ")"
}
array = {
"[" ~ expr ~ ";" ~ expr ~ "]" // Repeat notation: [0; 10]
| "[" ~ (expr ~ ("," ~ expr)* ~ ","?)? ~ "]" // Standard elements initialization
}
// ------------------------------------------------------
// MACROS
// ------------------------------------------------------
macro_inner_v = {
"(" ~ macro_inner_v* ~ ")"
macro_inner_v = @{
string_lit
| ("(" ~ macro_inner_v* ~ ")")
| (!("(" | ")") ~ ANY)
}
@@ -418,10 +464,21 @@ macro_inner_v = {
// PRIMARY EXPRESSIONS
// ------------------------------------------------------
expr_path_segment = {
identifier ~ ("::" ~ generics)?
}
expr_path = {
expr_path_segment ~ ("::" ~ expr_path_segment)*
}
primary = {
literal
| static_path
control_flow
| basic_stmt
| literal
| expr_path
| tuple
| array
}
// ------------------------------------------------------
@@ -429,7 +486,7 @@ primary = {
// ------------------------------------------------------
field_px = {
"." ~ identifier
"." ~ identifier ~ ("::" ~ generics)?
}
call_px = {
@@ -452,8 +509,20 @@ index_px = {
"[" ~ expr ~ "]"
}
binary_px = {
bin_op ~ expr
as_px = {
"as" ~ type_expr
}
try_px = {
"?"
}
increment = {
"++"
}
decrement = {
"--"
}
postfix = {
@@ -462,32 +531,22 @@ postfix = {
| macro_call_px
| struct_px
| index_px
| binary_px
| as_px
| try_px
| increment
| decrement
}
// ------------------------------------------------------
// PREFIX EXPRESSIONS
// ------------------------------------------------------
deref_px = {
"*"
}
mut_ref_px = {
"&" ~ mutable
}
ref_px = {
"&"
}
new_px = {
"new"
}
not_px = {
"!"
}
deref_px = { "*" }
mut_ref_px = { "&" ~ mutable }
ref_px = { "&" }
new_px = { "new" ~ generics? }
not_px = { "!" }
neg_px = { "-" }
prefix = {
deref_px
@@ -495,10 +554,7 @@ prefix = {
| ref_px
| new_px
| not_px
}
prefix_list = {
prefix*
| neg_px
}
// ------------------------------------------------------
@@ -506,7 +562,20 @@ prefix_list = {
// ------------------------------------------------------
bin_op = {
"<="
"+="
| "-="
| "/="
| "%="
| "&="
| "|="
| "^="
| "<<="
| ">>="
| "<<"
| ">>"
| "..="
| ".."
| "<="
| ">="
| "=="
| "!="
@@ -519,12 +588,16 @@ bin_op = {
| "%"
| "<"
| ">"
| "&"
| "|"
| "^"
| "="
}
// ------------------------------------------------------
// EXPRESSIONS
// ------------------------------------------------------
expr = {
prefix_list ~ primary ~ postfix*
}
expr = { term ~ (bin_op ~ term)* }
term = { prefix* ~ primary ~ postfix* }
+83
View File
@@ -0,0 +1,83 @@
use pest::Parser;
use pest_derive::Parser;
pub mod ast;
pub mod error;
pub mod parser;
pub mod rev_mapper;
use ast::*;
use crate::error::{IntoErr, ParseError};
#[derive(Parser)]
#[grammar = "./src/grammar.pest"]
pub struct MistParser;
pub fn parse<'a>(source: &'a str) -> Result<Vec<TopLevel>, ParseError<'a, Vec<TopLevel>>> {
let mut pairs = MistParser::parse(Rule::program, source)?;
let mut statements = vec![];
let mut analyzer = error::AstErrorAnalyzer(None);
for pair in pairs.next().unwrap().into_inner() {
if pair.as_rule() != Rule::EOI {
statements.push(analyzer.get(TopLevel::try_from(pair)).get()?);
}
}
match analyzer.build(statements) {
Ok(v) => Ok(v),
Err(e) => Err(ParseError::Ast(e)),
}
}
#[macro_export]
macro_rules! ast_ensure {
($pair:expr, $rule:expr $(, $rules:expr)* => $body:block) => {
if $pair.as_rule() == $rule $(|| $pair.as_rule() == $rules)*
$body
else {
Err(AstError {
span: $pair.as_span(),
error_code: crate::error::ErrorCode::AstGenBug,
error_message: format!("Possible bug: expected {:?}, got {:?}", $rule, $pair.as_rule()),
recovered: None,
})
}
};
}
#[macro_export]
macro_rules! ast_expr {
(use $r:expr, $($v:expr),* $(,)?) => {{
let mut analyzer = $crate::error::AstErrorAnalyzer(None);
$(
analyzer.get($v).get()?;
)*
analyzer.build($r)
}};
($($item:ident)::+ { $($k:ident: $v:expr),* $(,)? }) => {{
let mut analyzer = $crate::error::AstErrorAnalyzer(None);
let v = $($item)::+ { $($k: analyzer.get($v).get()?),* };
analyzer.build(v)
}};
($($item:ident)::+ ( $($v:expr),* $(,)? )) => {{
let mut analyzer = $crate::error::AstErrorAnalyzer(None);
let v = $($item)::+ ( $(analyzer.get($v).get()?),* );
analyzer.build(v)
}};
($($item:ident)::+) => {
$($item)::+
};
}
+100
View File
@@ -0,0 +1,100 @@
use crate::{
Rule,
ast::*,
ast_expr,
error::{AstError, AstResult, IntoErr},
parser::listen_rule,
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for VarDeclStmt {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
match pair.as_rule() {
Rule::var_decl_statement => {
let mut inner = pair.into_inner();
ast_expr!(VarDeclStmt {
decl: inner.next().unwrap().try_into(),
init: inner.next().map(Expression::try_from).transpose()
})
}
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for FieldDeclStmt {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
match pair.as_rule() {
Rule::class_field => {
let mut inner = pair.into_inner();
ast_expr!(FieldDeclStmt {
decl: inner.next().unwrap().try_into(),
init: inner.next().map(Expression::try_from).transpose(),
})
}
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for VarDecl {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
match pair.as_rule() {
Rule::var_decl => {
let mut inner = pair.into_inner();
let type_ = inner
.next()
.and_then(|pair| {
if pair.as_str().trim() == "var" {
None
} else {
Some(TypeExpr::try_from(pair))
}
})
.transpose();
let mutable: AstResult<'_, bool> = Ok(listen_rule(&mut inner, Rule::mutable));
let name = Pattern::try_from(inner.next().unwrap());
ast_expr!(VarDecl {
type_: type_,
mutable: mutable,
name: name,
})
}
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for FieldDecl {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
match pair.as_rule() {
Rule::field => {
let mut inner = pair.into_inner();
ast_expr!(FieldDecl {
visibility: Visibility::try_from(&mut inner),
type_: TypeExpr::try_from(inner.next().unwrap()),
name: Identifier::try_from(inner.next().unwrap()),
})
}
_ => AstError::bug_unimplemented(pair),
}
}
}
+183
View File
@@ -0,0 +1,183 @@
use crate::{
Rule,
ast::*,
ast_ensure, ast_expr,
error::{AstError, AstResult, GetLength, IntoErr, collect_recovered, collect_recovered_map},
};
use pest::pratt_parser::PrattParser;
use std::sync::OnceLock;
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Expression {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let inner = pair.clone().into_inner();
match rule {
Rule::expr => {
static PRATT_PARSER: OnceLock<PrattParser<Rule>> = OnceLock::new();
let pratt = PRATT_PARSER.get_or_init(|| {
use pest::pratt_parser::{Assoc::*, Op};
PrattParser::new().op(Op::infix(Rule::bin_op, Left))
});
pratt
.map_primary(|primary_pair| Expression::try_from(primary_pair))
.map_infix(|expr, op, rhs| {
ast_expr!(Expression::Binary {
lhs: expr.map(Box::new).get_map(Box::new),
op: Ok(op.as_str().to_string()) as AstResult<'_, String>,
rhs: rhs.map(Box::new).get_map(Box::new),
})
})
.parse(inner)
}
Rule::term => {
let mut prefix_pairs = Vec::new();
let mut primary_pair = None;
let mut postfix_pairs = Vec::new();
for p in inner {
match p.as_rule() {
Rule::prefix => prefix_pairs.push(p),
Rule::primary => primary_pair = Some(p),
Rule::postfix => postfix_pairs.push(p),
_ => {}
}
}
let prefixes = collect_recovered::<Prefix, Prefix>(prefix_pairs.into_iter());
let exp = Expression::try_from(
primary_pair.expect("Term must contain a primary expression"),
);
let postfixes = collect_recovered::<Postfix, Postfix>(postfix_pairs.into_iter());
if postfixes.len() > 0 || prefixes.len() > 0 {
ast_expr!(Expression::Fix {
initial: exp.map(Box::new),
prefixes: prefixes,
postfixes: postfixes,
})
} else {
ast_expr!(use exp?, prefixes, postfixes)
}
}
Rule::tuple => {
ast_expr!(Expression::Literal(
collect_recovered(pair.into_inner())
.map(Literal::Tuple)
.get_map(Literal::Tuple)
))
}
Rule::primary => pair.into_inner().next().unwrap().try_into(),
Rule::static_path => ast_expr!(Expression::Path(pair.try_into())),
Rule::literal => ast_expr!(Expression::Literal(pair.try_into())),
Rule::expr_path => ast_expr!(Expression::Path(pair.try_into())),
Rule::statement | Rule::basic_stmt | Rule::control_flow => ast_expr!(
Expression::Statement(pair.try_into().get_map(Box::new).map(Box::new))
),
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Prefix {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
Ok(match pair.as_rule() {
Rule::prefix => Self::try_from(pair.into_inner().next().unwrap())?,
Rule::deref_px => Self::Deref,
Rule::mut_ref_px => Self::RefMut,
Rule::ref_px => Self::Ref,
Rule::new_px => Self::New(
pair.into_inner()
.next()
.map(|v| v.try_into().get())
.transpose()?,
),
Rule::not_px => Self::Not,
Rule::neg_px => Self::Neg,
_ => return AstError::bug_unimplemented(pair),
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Postfix {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::postfix => Postfix::try_from(inner.next().unwrap()),
Rule::field_px => {
ast_expr!(Postfix::FieldAccess(
inner.next().unwrap().try_into(),
inner.next().map(Generics::try_from).transpose()
))
}
Rule::call_px => ast_expr!(Postfix::Call(collect_recovered(inner))),
Rule::struct_px => ast_expr!(Postfix::StructCall(collect_recovered_map(inner, |p| {
let mut pi = p.into_inner();
Ok((
Identifier::try_from(pi.next().unwrap())?,
Expression::try_from(pi.next().unwrap()).get()?,
))
}))),
Rule::index_px => {
ast_expr!(Postfix::Index(Expression::try_from(inner.next().unwrap())))
}
Rule::macro_call_px => Ok(Postfix::MacroCall(inner.as_str().to_string())),
Rule::as_px => {
ast_expr!(Postfix::As(inner.next().unwrap().try_into()))
}
Rule::try_px => Ok(Postfix::Try),
Rule::increment => Ok(Postfix::Increment),
Rule::decrement => Ok(Postfix::Decrement),
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for ExprPath {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
ast_ensure!(pair, Rule::expr_path => {
ast_expr!(ExprPath(collect_recovered(pair.into_inner())))
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for ExprPathSegment {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::expr_path_segment => {
ast_expr!(ExprPathSegment {
ident: Identifier::try_from(inner.next().unwrap()),
generics: inner.next().map(Generics::try_from).transpose(),
})
})
}
}
+101
View File
@@ -0,0 +1,101 @@
pub mod decl;
pub mod expr;
pub mod statement;
pub mod types;
use crate::{
Rule,
ast::*,
ast_ensure, ast_expr,
error::{AstError, IntoErr, collect_recovered},
parser::consume_rule,
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Identifier {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
ast_ensure!(pair, Rule::identifier => {
Ok(Identifier(pair.as_str().to_string()))
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Path {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
match pair.as_rule() {
Rule::static_path => Ok(Path(collect_recovered(pair.into_inner()).get()?)),
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Literal {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
Ok(match rule {
Rule::primary => Self::try_from(inner.next().unwrap())?,
Rule::literal => Self::try_from(inner.next().unwrap())?,
Rule::integer => Literal::Int(pair.as_str().parse::<i64>().unwrap()),
Rule::float => Literal::Float(pair.as_str().parse::<f64>().unwrap()),
Rule::boolean => Literal::Bool(pair.as_str().parse::<bool>().unwrap()),
Rule::string_lit => Literal::String(inner.as_str().to_string()),
Rule::tuple => Literal::Tuple(collect_recovered(inner).get()?),
_ => return AstError::bug_unimplemented(pair),
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Pattern {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::tuple_pattern => ast_expr!(Pattern::Tuple(collect_recovered(pair.into_inner()))),
Rule::named_tuple_pattern => ast_expr!(Pattern::NamedTuple(
Path::try_from(inner.next().unwrap()),
collect_recovered(inner),
)),
Rule::struct_pattern => ast_expr!(Pattern::Struct(
Path::try_from(inner.next().unwrap()),
collect_recovered(inner),
)),
Rule::literal => ast_expr!(Pattern::Literal(pair.try_into())),
Rule::identifier => ast_expr!(Pattern::Id(pair.try_into())),
Rule::static_path => ast_expr!(Pattern::Path(pair.try_into())),
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<&mut pest::iterators::Pairs<'a, Rule>> for Visibility {
type Error = AstError<'a, Self>;
fn try_from(pairs: &mut pest::iterators::Pairs<'a, Rule>) -> Result<Self, Self::Error> {
Ok(consume_rule(pairs, Rule::visibility)
.map(|pair| -> Result<Visibility, AstError<'a, Self>> {
if let Some(path) = pair.into_inner().next() {
ast_expr!(Visibility::PublicTarget(Path::try_from(path)))
} else {
Ok(Visibility::Public)
}
})
.transpose()?
.unwrap_or_else(|| Visibility::Private))
}
}
@@ -0,0 +1,109 @@
use crate::{
Rule,
ast::*,
ast_ensure, ast_expr,
error::{AstError, AstResult, IntoErr, collect_recovered},
parser::listen_rule,
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Block {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::block => {
ast_expr!(Block(collect_recovered(inner.next().unwrap().into_inner()), inner.next().map(Spanned::try_from).transpose()))
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for StatementBranch {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::statement_branch => {
ast_expr!(StatementBranch {
condition: inner.next().unwrap().try_into(),
body: inner.next().unwrap().try_into().map(Box::new),
})
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Statement {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::statement | Rule::basic_stmt | Rule::control_flow => {
Statement::try_from(inner.next().unwrap())
}
Rule::block => ast_expr!(Statement::Block(pair.try_into())),
Rule::var_decl_statement => ast_expr!(Statement::VarDecl(pair.try_into())),
Rule::return_stmt => {
ast_expr!(Statement::Return(
inner.next().map(Expression::try_from).transpose()
))
}
Rule::break_stmt => Ok(Statement::Break),
Rule::continue_stmt => Ok(Statement::Continue),
Rule::if_stmt => {
ast_expr!(Statement::If {
initial: inner.next().unwrap().try_into(),
else_if: collect_recovered(inner.next().unwrap().into_inner()),
else_branch: inner
.next()
.map(Expression::try_from)
.transpose()
.map(|v| v.map(Box::new))
.get_map(|v| { Some(Box::new(v)) }),
})
}
Rule::while_stmt => ast_expr!(Statement::While(inner.next().unwrap().try_into())),
Rule::loop_stmt => ast_expr!(Statement::Loop(inner.next().unwrap().try_into())),
Rule::c_for_stmt => ast_expr!(Statement::CStyleFor {
init: inner.next().unwrap().try_into(),
condition: inner.next().unwrap().try_into(),
update: inner.next().unwrap().try_into(),
body: inner.next().unwrap().try_into(),
}),
Rule::for_stmt => ast_expr!(Statement::For {
mutable: Ok(listen_rule(&mut inner, Rule::mutable)) as AstResult<'_, bool>,
pattern: inner.next().unwrap().try_into(),
iterator: inner.next().unwrap().try_into(),
body: inner.next().unwrap().try_into().map(Box::new),
}),
Rule::match_stmt => ast_expr!(Statement::Match(
inner.next().unwrap().try_into(),
inner
.map(|match_itms| {
let mut match_inner = match_itms.into_inner();
Ok((
collect_recovered(match_inner.next().unwrap().into_inner()).get()?,
Expression::try_from(match_inner.next().unwrap()).get()?,
))
})
.collect::<AstResult<'a, Vec<_>>>(),
)),
_ => AstError::bug_unimplemented(pair),
}
}
}
+155
View File
@@ -0,0 +1,155 @@
use crate::{
Rule,
ast::*,
ast_ensure, ast_expr,
error::{AstError, GetLength, IntoErr, collect_recovered},
parser::{consume_rule, listen_rule},
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for TypePostfix {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::ref_type => {
let mutable = listen_rule(&mut inner, Rule::mutable);
let lifetime = consume_rule(&mut inner, Rule::lifetime)
.map(|pair| Identifier::try_from(pair.into_inner().next().unwrap()))
.transpose()
.get()?;
Ok(if mutable {
if let Some(lifetime) = lifetime {
TypePostfix::RefMutLifetime(lifetime)
} else {
TypePostfix::RefMut
}
} else {
if let Some(lifetime) = lifetime {
TypePostfix::RefLifetime(lifetime)
} else {
TypePostfix::Ref
}
})
}
Rule::dyn_type => Ok(TypePostfix::Dyn),
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for TypeExprKind {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::tuple_type => ast_expr!(TypeExprKind::Tuple(collect_recovered(inner))),
Rule::path_type => {
let path = Path::try_from(inner.next().unwrap());
let params = collect_recovered(inner);
if params.len() == 0 {
ast_expr!(TypeExprKind::Path(path))
} else {
ast_expr!(TypeExprKind::PathParams(path, params))
}
}
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for TypeExpr {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::type_expr => ast_expr!(TypeExpr(
inner.next().unwrap().try_into(),
collect_recovered(inner),
)),
Rule::type_expr_param => Self::try_from(inner.next().unwrap()),
Rule::lifetime => ast_expr!(TypeExprKind::Lifetime(inner.next().unwrap().try_into()))
.get_map(TypeExpr::no_px)
.map(TypeExpr::no_px),
_ => AstError::bug_unimplemented(pair),
}
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for GenericsDecl {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::generics_decl => {
ast_expr!(GenericsDecl(collect_recovered(inner)))
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for GenericDecl {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::generic_decl => {
if let Some(pair) = consume_rule(&mut inner, Rule::lifetime) {
ast_expr!(GenericDecl::Lifetime(
pair.into_inner().next().unwrap().try_into(),
))
} else {
ast_expr!(GenericDecl::Type(
inner.next().unwrap().try_into(),
collect_recovered(inner),
))
}
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Generics {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::generics => {
ast_expr!(Generics(collect_recovered(inner)))
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Generic {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.clone().into_inner();
ast_ensure!(pair, Rule::generic => {
if let Some(pair) = consume_rule(&mut inner, Rule::lifetime) {
ast_expr!(Generic::Lifetime(
pair.into_inner().next().unwrap().try_into(),
))
} else {
ast_expr!(Generic::Type(
inner.next().unwrap().try_into()
))
}
})
}
}
@@ -0,0 +1,68 @@
use crate::{
Rule,
ast::*,
error::{AstError, IntoErr, collect_recovered},
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for Attribute {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
match pair.as_rule() {
Rule::attribute => {
// unwrap #[ ... ]
Attribute::try_from(pair.into_inner().next().unwrap())
}
Rule::meta => {
let mut inner = pair.into_inner();
// first item is always the path
let path = inner.next().unwrap().try_into().get()?;
// check what comes next
match inner.next() {
None => {
// #[path]
Ok(Attribute::Path(path))
}
Some(next) => match next.as_rule() {
Rule::primary => {
// #[path = literal]
Ok(Attribute::NameValue {
path,
value: inner.next().unwrap().try_into().get()?,
})
}
Rule::meta_list => {
// #[path(...)]
Ok(Attribute::List {
path,
items: collect_recovered(next.into_inner()).get()?,
})
}
_ => unreachable!("unexpected rule in meta: {:?}", next.as_rule()),
},
}
}
Rule::meta_list => {
// This case usually won't be hit directly,
// but it's nice to keep it safe if reused
let items = pair
.into_inner()
.map(Attribute::try_from)
.collect::<Vec<_>>();
// NOTE: this shouldn't normally construct an Attribute alone
// but you can panic or wrap depending on your design
panic!("meta_list should be handled inside meta: {:?}", items);
}
_ => unreachable!("unexpected rule: {:?}", pair.as_rule()),
}
}
}
+50
View File
@@ -0,0 +1,50 @@
use crate::{
Rule,
ast::*,
error::{AstError, IntoErr},
parser::consume_rule,
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for ClassConstructor {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.into_inner();
Ok(Self {
visibility: Visibility::try_from(&mut inner).get()?,
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.get()?
.unwrap_or_default(),
params: consume_rule(&mut inner, Rule::param_list)
.map(ParamList::try_from)
.transpose()
.get()?
.unwrap_or_default(),
body: inner.next().unwrap().try_into().get()?,
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for ClassItem {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
match rule {
Rule::impl_decl | Rule::impl_for_decl => {
Ok(ClassItem::ImplDecl(pair.try_into().get()?))
}
Rule::method => Ok(ClassItem::Method(pair.try_into().get()?)),
_ => AstError::bug_unimplemented(pair),
}
}
}
+35
View File
@@ -0,0 +1,35 @@
use crate::{
Rule,
ast::*,
error::{AstError, IntoErr, collect_recovered},
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for EnumItem {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::enum_named => Ok(EnumItem::Named(inner.next().unwrap().try_into().get()?)),
Rule::enum_tuple => Ok(EnumItem::Tuple(
inner.next().unwrap().try_into().get()?,
collect_recovered(inner.next().unwrap().into_inner()).get()?,
)),
Rule::enum_struct => Ok(EnumItem::Struct(
inner.next().unwrap().try_into().get()?,
inner
.next()
.map(|pair| collect_recovered::<FieldDecl, FieldDecl>(pair.into_inner()))
.transpose()
.get()?
.unwrap_or_default(),
)),
_ => AstError::bug_unimplemented(pair),
}
}
}
@@ -0,0 +1,83 @@
use crate::{
Rule,
ast::*,
ast_ensure, ast_expr,
error::{AstError, AstResult, IntoErr, collect_recovered},
parser::{consume_rule, listen_rule},
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for FunctionDecl {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
ast_ensure!(pair, Rule::function_decl, Rule::method, Rule::method_no_body => {
let mut inner = pair.into_inner();
let visibility = Visibility::try_from(&mut inner);
let return_type = TypeExpr::try_from(inner.next().unwrap());
let name = Identifier::try_from(inner.next().unwrap());
let generics = consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.map(|v| v.unwrap_or_default());
let self_param = consume_rule(&mut inner, Rule::self_param).map(|param| {
let mut param_inner = param.into_inner();
let name = Pattern::Id(Identifier(String::from("self")));
let mutable = listen_rule(&mut param_inner, Rule::mutable);
let is_ref = listen_rule(&mut param_inner, Rule::deref_px);
VarDecl {
mutable: mutable && !is_ref,
name: name.clone(),
type_: Some(TypeExpr(
TypeExprKind::Path(Path(vec![Identifier("Self".to_string())])),
if is_ref {
vec![if mutable {
TypePostfix::RefMut
} else {
TypePostfix::Ref
}]
} else {
Vec::new()
},
)),
}
});
let params = consume_rule(&mut inner, Rule::param_list)
.map({
let self_param = self_param.clone();
|params_pair| -> AstResult<'a, ParamList> {
let mut params = ParamList::try_from(params_pair)?;
if let Some(x) = self_param {
params.0.insert(0, x);
}
Ok(params)
}
})
.unwrap_or_else(|| Ok(ParamList(self_param.into_iter().collect())));
let body = inner.next().map(Block::try_from).transpose();
ast_expr!(Self {
visibility: visibility,
return_type: return_type,
name: name,
generics: generics,
params: params,
body: body,
})
})
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for ParamList {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
Ok(ParamList(collect_recovered(pair.into_inner()).get()?))
}
}
@@ -0,0 +1,41 @@
use crate::{
Rule,
ast::*,
error::{AstError, IntoErr, collect_recovered},
parser::consume_rule,
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for ImplDecl {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::impl_for_decl => Ok(ImplDecl {
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.get()?
.unwrap_or_default(),
trait_: Some(inner.next().unwrap().try_into().get()?),
target: inner.next().unwrap().try_into().get()?,
methods: collect_recovered(inner).get()?,
}),
Rule::impl_decl => Ok(ImplDecl {
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.get()?
.unwrap_or_default(),
trait_: None,
target: inner.next().unwrap().try_into().get()?,
methods: collect_recovered(inner).get()?,
}),
_ => AstError::bug_unimplemented(pair),
}
}
}
+122
View File
@@ -0,0 +1,122 @@
pub mod attribute;
pub mod class;
pub mod enums;
pub mod function;
pub mod impl_decl;
use crate::{
Rule,
ast::*,
ast_expr,
error::{AstError, IntoErr, collect_recovered},
parser::consume_rule,
};
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for TopLevel {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let mut inner = pair.into_inner();
let attributes = collect_recovered(inner.next().unwrap().into_inner());
ast_expr!(TopLevel(
inner.next().map(Spanned::try_from).unwrap(),
attributes,
))
}
}
impl<'a> TryFrom<pest::iterators::Pair<'a, Rule>> for TopLevelKind {
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::import => ast_expr!(TopLevelKind::Import(
Visibility::try_from(&mut inner),
Path::try_from(inner.next().unwrap()),
)),
Rule::function_decl => ast_expr!(TopLevelKind::FunctionDecl(pair.try_into())),
Rule::struct_decl => ast_expr!(TopLevelKind::StructDecl {
visibility: Visibility::try_from(&mut inner),
name: inner.next().unwrap().try_into(),
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.map(|v| v.unwrap_or_default()),
fields: inner
.next()
.map(|pair| collect_recovered(pair.into_inner()))
.transpose()
.map(|v| v.unwrap_or_default()),
}),
Rule::class_decl => ast_expr!(TopLevelKind::ClassDecl {
visibility: Visibility::try_from(&mut inner),
name: inner.next().unwrap().try_into(),
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.map(|v| v.unwrap_or_default()),
fields: collect_recovered(inner.next().unwrap().into_inner()),
constructor: inner.next().unwrap().try_into(),
items: collect_recovered(inner),
}),
Rule::enum_decl => ast_expr!(TopLevelKind::EnumDecl {
visibility: Visibility::try_from(&mut inner),
name: inner.next().unwrap().try_into(),
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.map(|v| v.unwrap_or_default()),
fields: collect_recovered(inner),
}),
Rule::mod_package => ast_expr!(TopLevelKind::Mod(
Visibility::try_from(&mut inner),
inner.next().unwrap().try_into(),
)),
Rule::impl_for_decl | Rule::impl_decl => {
ast_expr!(TopLevelKind::ImplDecl(pair.try_into()))
}
Rule::trait_decl => ast_expr!(TopLevelKind::TraitDecl {
visibility: Visibility::try_from(&mut inner),
name: inner.next().unwrap().try_into(),
generics: consume_rule(&mut inner, Rule::generics_decl)
.map(GenericsDecl::try_from)
.transpose()
.map(|v| v.unwrap_or_default()),
requirements: consume_rule(&mut inner, Rule::trait_requirements)
.map(|pair| collect_recovered(pair.into_inner()))
.transpose()
.map(|v| v.unwrap_or_default()),
items: collect_recovered(&mut inner),
}),
_ => AstError::bug_unimplemented(pair),
}
}
}
+54
View File
@@ -0,0 +1,54 @@
pub mod common;
pub mod items;
use crate::{Rule, ast::Spanned, error::AstError};
pub fn listen_rule(pairs: &mut pest::iterators::Pairs<'_, Rule>, rule: Rule) -> bool {
let consumed = pairs
.peek()
.map(|p| p.as_rule() == rule)
.unwrap_or_default();
if consumed {
pairs.next();
}
consumed
}
pub fn consume_rule<'a>(
pairs: &mut pest::iterators::Pairs<'a, Rule>,
rule: Rule,
) -> Option<pest::iterators::Pair<'a, Rule>> {
let consumed = pairs
.peek()
.map(|p| p.as_rule() == rule)
.unwrap_or_default();
if consumed { pairs.next() } else { None }
}
impl<'a, T: TryFrom<pest::iterators::Pair<'a, Rule>, Error = AstError<'a, T>>>
TryFrom<pest::iterators::Pair<'a, Rule>> for Spanned<T>
{
type Error = AstError<'a, Self>;
fn try_from(pair: pest::iterators::Pair<'a, Rule>) -> Result<Self, Self::Error> {
let span = pair.as_span().start_pos().line_col();
Ok(Self {
line: span.0,
column: span.1,
item: pair.try_into().map_err(|err: AstError<'_, T>| AstError {
span: err.span,
error_code: err.error_code,
error_message: err.error_message,
recovered: err.recovered.map(|v| Spanned {
line: span.0,
column: span.1,
item: v,
}),
})?,
})
}
}
@@ -0,0 +1,9 @@
WHITESPACE = _{ " " | "\t" | "\r" | "\n" }
integer = @{ ASCII_DIGIT+ }
map = { "/*" ~ integer ~ ":" ~ integer ~ "*/" }
non_map = { (!map ~ ANY)+ }
mapping = { SOI ~ (map | non_map)* ~ EOI }
+51
View File
@@ -0,0 +1,51 @@
use std::collections::HashSet;
use pest::Parser;
use pest_derive::Parser;
#[derive(Parser)]
#[grammar = "./src/rev_mapper/grammar.pest"]
pub struct MistMapperParser;
#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord)]
pub struct MistMap(pub usize, pub usize);
#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord)]
pub struct RustMap(pub usize, pub usize);
pub fn get_mapping(input: &str) -> HashSet<(RustMap, MistMap)> {
let mut mapping = HashSet::new();
let pairs = MistMapperParser::parse(Rule::mapping, input)
.unwrap()
.next()
.unwrap()
.into_inner();
for pair in pairs {
if pair.as_rule() == Rule::map {
let rs = pair.as_span().start_pos().line_col();
let mut inner = pair.into_inner();
let (line, col) = (
inner.next().unwrap().as_str().parse().unwrap(),
inner.next().unwrap().as_str().parse().unwrap(),
);
mapping.insert((RustMap(rs.0, rs.1), MistMap(line, col)));
}
}
mapping
}
pub fn find_mapping(
mapping: &HashSet<(RustMap, MistMap)>,
target: &RustMap,
) -> Option<(RustMap, MistMap)> {
mapping
.iter()
.copied()
.filter(|(rust, _)| rust <= target)
.max_by_key(|(rust, _)| *rust)
}
+1 -1
View File
@@ -5,6 +5,6 @@ edition = "2024"
[[bin]]
name = "main"
path = "build/main.rs"
path = ".mist/src/main.rs"
[dependencies]
+39 -11
View File
@@ -2,7 +2,7 @@ use <super::task>;
use <super::logger>;
use <super::event>;
public class Application {
pub class Application {
String name;
Vec<task::Task> tasks;
@@ -13,9 +13,8 @@ public class Application {
bool running;
i32 ticks;
public constructor(str* name) {
pub constructor(str* name) {
self.name = name.to_string();
self.tasks = new Vec();
self.plugins = new Vec();
@@ -25,7 +24,7 @@ public class Application {
self.ticks = 0;
}
public void boot(self mut*) {
pub void boot(self mut*) {
self.logger.info("booting application");
self.running = true;
@@ -33,7 +32,7 @@ public class Application {
self.emit(event::Event::Startup);
}
public void run(self mut*) {
pub void run(self mut*) {
while(self.running) {
self.tick();
@@ -46,7 +45,7 @@ public class Application {
void tick(self mut*) {
self.logger.info("tick");
self.ticks = self.ticks + 1;
self.ticks++;
var task = task::create_task("background-job");
@@ -55,7 +54,7 @@ public class Application {
println!("tasks: {}", self.tasks.len());
}
public void shutdown(self mut*) {
pub void shutdown(self mut*) {
self.emit(event::Event::Shutdown);
self.logger.warning("shutdown");
@@ -63,7 +62,7 @@ public class Application {
self.running = false;
}
public void register_plugin(self mut*, String name) {
pub void register_plugin(self mut*, String name) {
self.plugins.push(name.clone());
self.emit(event::Event::PluginLoaded(name));
@@ -79,17 +78,46 @@ public class Application {
self.logger.info("shutdown event");
}
event::Event::PluginLoaded(name) => {
event::Event::PluginLoaded[name] => {
println!("plugin loaded: {}", name);
}
event::Event::TaskExecuted(name) => {
event::Event::TaskExecuted[name] => {
println!("task executed: {}", name);
}
event::Event::Error(message) => {
event::Event::Error[message] => {
self.logger.error(&message);
}
}
}
}
i32 test_stmt() {
if (0 == 0) {
0
}
else {
1
}
}
void loops_test() {
for (x : 0..10) {
println!("{x}");
}
for (var mut i = 0; i < 10; i++) {
println!("{i}");
}
var i = 0;
while (i == 1) {
println!("hi");
}
loop {
println!("loop!");
}
}
+1 -1
View File
@@ -1,4 +1,4 @@
public enum Event {
pub enum Event {
Startup,
Shutdown,
TaskExecuted(String),
+22 -21
View File
@@ -1,49 +1,50 @@
use <std::fmt::Formatter>;
use <std::fmt>;
public trait TestLogging<T: fmt::Display>: fmt::Display {
String get();
pub trait TestLogging<T: fmt::Display>: fmt::Display {
String get(self*);
}
public enum LogLevel {
pub enum LogLevel {
Info,
Warning,
Error,
}
impl fmt::Display for LogLevel {
std::fmt::Result fmt(self*, std::fmt::Formatter<'_> mut* f) {
fmt::Result fmt(self*, Formatter<'_> mut* f) {
match (self) {
LogLevel::Info => {
return write!(f, "[INFO]");
}
LogLevel::Info => write!(f, "[INFO]");
LogLevel::Warning => {
return write!(f, "[WARN]");
}
LogLevel::Warning => write!(f, "[WARN]");
LogLevel::Error => {
return write!(f, "[ERROR]");
}
LogLevel::Error => write!(f, "[ERROR]");
}
}
}
public class Logger {
impl TestLogging<LogLevel> for LogLevel {
String get(self*) {
return format!("{self}");
}
}
pub class Logger {
String prefix;
public constructor(str* prefix) {
pub constructor(str* prefix) {
self.prefix = prefix.to_string();
}
public void info(self*, str* message) {
pub void info(self*, str* message) {
self.log(LogLevel::Info, message);
}
public void warning(self*, str* message) {
pub void warning(self*, str* message) {
self.log(LogLevel::Warning, message);
}
public void error(self*, str* message) {
pub void error(self*, str* message) {
self.log(LogLevel::Error, message);
}
@@ -54,7 +55,7 @@ public class Logger {
}
LogLevel::Warning => {
println!("{level} {} {}", self.prefix, message);
println!("{} {} {}", level.get(), self.prefix, message);
}
LogLevel::Error => {
@@ -64,8 +65,8 @@ public class Logger {
}
impl fmt::Display {
std::fmt::Result fmt(self*, std::fmt::Formatter<'_> mut* f) {
return write!(f, "logger ({})", self.prefix);
fmt::Result fmt(self*, Formatter<'_> mut* f) {
write!(f, "logger ({})", self.prefix)
}
}
}
+5 -8
View File
@@ -1,15 +1,12 @@
mod app;
mod task;
mod plugin;
mod logger;
mod event;
pub mod app;
pub mod task;
pub mod plugin;
pub mod logger;
pub mod event;
void main() {
var mut app_instance = new app::Application("mist-app");
// greeting::register(&mut app_instance);
// statistics::register(&mut app_instance);
app_instance.boot();
app_instance.run();
}
+6 -6
View File
@@ -1,16 +1,16 @@
public struct PluginInfo {
public String name,
public String version,
pub struct PluginInfo {
pub String name,
pub String version,
}
public class PluginRegistry<T> {
pub class PluginRegistry<T> {
T plugins;
public constructor(T plugins) {
pub constructor(T plugins) {
self.plugins = plugins;
}
public T plugins(self) {
pub T plugins(self) {
return self.plugins;
}
}
+8 -8
View File
@@ -1,20 +1,20 @@
public enum TaskState {
pub enum TaskState {
Pending,
Running,
Finished,
Failed,
}
public struct Task {
public String name,
public TaskState state,
public i32 executions,
pub struct Task {
pub String name,
pub TaskState state,
pub i32 executions,
}
public Task create_task(str* name) {
return Task {
pub Task create_task(str* name) {
Task {
name: name.to_string(),
state: TaskState::Pending,
executions: 0,
};
}
}
View File
-273
View File
@@ -1,273 +0,0 @@
use serde::Serialize;
#[derive(Debug, Clone, Serialize)]
pub struct Identifier(pub String);
#[derive(Debug, Clone, Serialize, Default)]
pub struct ParamList(pub Vec<VarDecl>);
#[derive(Debug, Clone, Serialize, Default)]
pub struct Block(pub Vec<Statement>);
#[derive(Debug, Clone, Serialize)]
pub enum TypePostfix {
Ref,
RefMut,
RefLifetime(Identifier),
RefMutLifetime(Identifier),
}
#[derive(Debug, Clone, Serialize)]
pub enum Visibility {
Public,
Private,
}
#[derive(Debug, Clone, Serialize)]
pub enum Attribute {
/// #[test]
Path(Path),
/// #[name = "value"]
NameValue { path: Path, value: Literal },
/// #[derive(Clone, Copy)]
List { path: Path, items: Vec<Attribute> },
}
#[derive(Debug, Clone, Serialize)]
pub enum TypeExprKind {
Path(Path),
PathParams(Path, Vec<TypeExpr>),
Tuple(Vec<TypeExpr>),
Lifetime(Identifier),
}
#[derive(Debug, Clone, Serialize)]
pub struct TypeExpr(pub TypeExprKind, pub Vec<TypePostfix>);
#[derive(Debug, Clone, Serialize)]
pub struct Path(pub Vec<Identifier>);
#[derive(Debug, Clone, Serialize)]
pub enum BinaryOp {
Plus,
Minus,
Multiply,
Divide,
Modulo,
Equal,
NotEqual,
LessThan,
GreaterThan,
LessThanOrEqual,
GreaterThanOrEqual,
And,
Or,
}
#[derive(Debug, Clone, Serialize)]
pub struct TopLevel(pub TopLevelKind, pub Vec<Attribute>);
#[derive(Debug, Clone, Serialize)]
pub enum TopLevelKind {
ModAttribute,
Import(Path),
Mod(Identifier),
ImplDecl(ImplDecl),
TraitDecl {
visibility: Visibility,
name: Identifier,
generics: Generics,
requirements: Vec<TypeExpr>,
items: Vec<FunctionDecl>,
},
EnumDecl {
visibility: Visibility,
name: Identifier,
generics: Generics,
fields: Vec<EnumItem>,
},
StructDecl {
visibility: Visibility,
name: Identifier,
generics: Generics,
fields: Vec<FieldDecl>,
},
FunctionDecl(FunctionDecl),
ClassDecl {
visibility: Visibility,
name: Identifier,
generics: Generics,
fields: Vec<FieldDeclStmt>,
constructor: ClassConstructor,
items: Vec<ClassItem>,
},
}
#[derive(Debug, Clone, Serialize)]
pub enum ClassItem {
Method(FunctionDecl),
ImplDecl(ImplDecl),
}
#[derive(Debug, Clone, Serialize, Default)]
pub struct Generics(pub Vec<Generic>);
#[derive(Debug, Clone, Serialize)]
pub enum Generic {
Lifetime(Identifier),
Type(Identifier, Vec<TypeExpr>),
}
#[derive(Debug, Clone, Serialize)]
pub enum Pattern {
NamedTuple(Path, Vec<Identifier>),
Struct(Path, Vec<Identifier>),
Tuple(Vec<Identifier>),
Literal(Literal),
Path(Path),
Id(Identifier),
}
#[derive(Debug, Clone, Serialize)]
pub enum EnumItem {
Named(Identifier),
Tuple(Identifier, Vec<TypeExpr>),
Struct(Identifier, Vec<FieldDecl>),
}
#[derive(Debug, Clone, Serialize)]
pub struct ClassConstructor {
pub visibility: Visibility,
pub generics: Generics,
pub params: ParamList,
pub body: Block,
}
#[derive(Debug, Clone, Serialize)]
pub struct FunctionDecl {
pub visibility: Visibility,
pub name: Identifier,
pub generics: Generics,
pub params: ParamList,
pub return_type: TypeExpr,
pub body: Option<Block>,
}
#[derive(Debug, Clone, Serialize)]
pub enum Postfix {
FieldAccess(Identifier),
Call(Vec<Expression>),
MacroCall(String),
StructCall(Vec<(Identifier, Expression)>),
Index(Expression),
Binary(BinaryOp, Expression),
}
#[derive(Debug, Clone, Serialize)]
pub enum Prefix {
Ref,
RefMut,
Deref,
New,
Not,
}
#[derive(Debug, Clone, Serialize)]
pub enum Statement {
Expression(Expression),
Block(Block),
VarDecl(VarDeclStmt),
VarAssign(VarAssignStmt),
If {
initial: StatementBranch,
else_if: Vec<StatementBranch>,
else_branch: Option<Box<Statement>>,
},
While(StatementBranch),
CStyleFor {
init: Box<Statement>,
condition: Expression,
update: Box<Statement>,
body: Box<Statement>,
},
For {
mutable: bool,
pattern: Pattern,
iterator: Expression,
body: Box<Statement>,
},
Match(Expression, Vec<(Pattern, Block)>),
Return(Option<Expression>),
Break,
Continue,
}
#[derive(Debug, Clone, Serialize)]
pub struct ImplDecl {
pub generics: Generics,
pub target: TypeExpr,
pub trait_: Option<TypeExpr>,
pub methods: Vec<FunctionDecl>,
}
#[derive(Debug, Clone, Serialize)]
pub struct VarDecl {
pub mutable: bool,
pub name: Pattern,
pub type_: Option<TypeExpr>,
}
#[derive(Debug, Clone, Serialize)]
pub struct VarDeclStmt {
pub decl: VarDecl,
pub init: Option<Expression>,
}
#[derive(Debug, Clone, Serialize)]
pub struct FieldDecl {
pub visibility: Visibility,
pub type_: TypeExpr,
pub name: Identifier,
}
#[derive(Debug, Clone, Serialize)]
pub struct FieldDeclStmt {
pub decl: FieldDecl,
pub init: Option<Expression>,
}
#[derive(Debug, Clone, Serialize)]
pub struct VarAssignStmt {
pub target: Expression,
pub value: Expression,
}
#[derive(Debug, Clone, Serialize)]
pub struct StatementBranch {
pub condition: Expression,
pub body: Box<Statement>,
}
#[derive(Debug, Clone, Serialize)]
pub enum Expression {
Literal(Literal),
Path(Path),
Fix {
initial: Box<Expression>,
prefixes: Vec<Prefix>,
postfixes: Vec<Postfix>,
},
}
#[derive(Debug, Clone, Serialize)]
pub enum Literal {
String(String),
Int(i64),
Float(f64),
Bool(bool),
Tuple(Vec<Expression>),
}
-831
View File
@@ -1,831 +0,0 @@
use pest::Parser;
use pest_derive::Parser;
pub mod ast;
use ast::*;
#[derive(Parser)]
#[grammar = "./src/grammar.pest"]
pub struct MistParser;
// convenience alias for pest errors
pub type ParseError = pest::error::Error<Rule>;
pub fn parse(source: &str) -> Result<Vec<TopLevel>, ParseError> {
let mut pairs = MistParser::parse(Rule::program, source)?;
let mut statements = vec![];
for pair in pairs.next().unwrap().into_inner() {
if pair.as_rule() != Rule::EOI {
statements.push(TopLevel::from(pair));
}
}
Ok(statements)
}
impl From<pest::iterators::Pair<'_, Rule>> for TypeExpr {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.into_inner();
match rule {
Rule::type_expr => TypeExpr(
TypeExprKind::from(inner.next().unwrap()),
inner.map(TypePostfix::from).collect(),
),
Rule::type_expr_param => TypeExpr::from(inner.next().unwrap()),
Rule::lifetime => TypeExpr(
TypeExprKind::Lifetime(Identifier::from(inner.next().unwrap())),
Vec::new(),
),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for TypePostfix {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.into_inner();
match rule {
Rule::ref_type => {
let mutable = listen_rule(&mut inner, Rule::mutable);
let lifetime = consume_rule(&mut inner, Rule::lifetime)
.map(|pair| Identifier::from(pair.into_inner().next().unwrap()));
if mutable {
if let Some(lifetime) = lifetime {
TypePostfix::RefMutLifetime(lifetime)
} else {
TypePostfix::RefMut
}
} else {
if let Some(lifetime) = lifetime {
TypePostfix::RefLifetime(lifetime)
} else {
TypePostfix::Ref
}
}
}
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for TypeExprKind {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.into_inner();
match rule {
Rule::tuple_type => TypeExprKind::Tuple(inner.map(TypeExpr::from).collect()),
Rule::path_type => {
let path = Path::from(inner.next().unwrap());
let params = inner.map(TypeExpr::from).collect::<Vec<_>>();
if params.len() == 0 {
TypeExprKind::Path(path)
} else {
TypeExprKind::PathParams(path, params)
}
}
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Path {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
match pair.as_rule() {
Rule::static_path => Path(pair.into_inner().map(Identifier::from).collect()),
_ => unimplemented!("{pair:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for ParamList {
fn from(pair: pest::iterators::Pair<Rule>) -> Self {
ParamList(pair.into_inner().map(VarDecl::from).collect())
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Attribute {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
match pair.as_rule() {
Rule::attribute => {
// unwrap #[ ... ]
Attribute::from(pair.into_inner().next().unwrap())
}
Rule::meta => {
let mut inner = pair.into_inner();
// first item is always the path
let path = Path::from(inner.next().unwrap());
// check what comes next
match inner.next() {
None => {
// #[path]
Attribute::Path(path)
}
Some(next) => match next.as_rule() {
Rule::primary => {
// #[path = literal]
Attribute::NameValue {
path,
value: Literal::from(next),
}
}
Rule::meta_list => {
// #[path(...)]
let items = next.into_inner().map(Attribute::from).collect();
Attribute::List { path, items }
}
_ => unreachable!("unexpected rule in meta: {:?}", next.as_rule()),
},
}
}
Rule::meta_list => {
// This case usually won't be hit directly,
// but it's nice to keep it safe if reused
let items = pair.into_inner().map(Attribute::from).collect::<Vec<_>>();
// NOTE: this shouldn't normally construct an Attribute alone
// but you can panic or wrap depending on your design
panic!("meta_list should be handled inside meta: {:?}", items);
}
_ => unreachable!("unexpected rule: {:?}", pair.as_rule()),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for TopLevel {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let mut inner = pair.into_inner();
let attributes = inner
.next()
.unwrap()
.into_inner()
.map(Attribute::from)
.collect::<Vec<_>>();
TopLevel(
inner
.next()
.map(TopLevelKind::from)
.unwrap_or(TopLevelKind::ModAttribute),
attributes,
)
}
}
impl From<pest::iterators::Pair<'_, Rule>> for StatementBranch {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let mut inner = pair.into_inner();
let condition = Expression::from(inner.next().unwrap());
let body = Statement::from(inner.next().unwrap());
StatementBranch {
condition,
body: Box::new(body),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for ClassConstructor {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let mut inner = pair.into_inner();
let visibility = Visibility::from(&mut inner);
let generics = consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default();
let params = consume_rule(&mut inner, Rule::param_list)
.map(ParamList::from)
.unwrap_or_else(|| ParamList(Vec::new()));
Self {
visibility,
generics,
params,
body: Block::from(inner.next().unwrap()),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Generics {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let inner = pair.clone().into_inner();
match rule {
Rule::generics => Generics(
inner
.map(|pair| {
let mut inner = pair.into_inner();
if let Some(pair) = consume_rule(&mut inner, Rule::lifetime) {
Generic::Lifetime(Identifier::from(pair.into_inner().next().unwrap()))
} else {
Generic::Type(
Identifier::from(inner.next().unwrap()),
inner.map(TypeExpr::from).collect(),
)
}
})
.collect(),
),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for TopLevelKind {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::import => TopLevelKind::Import(Path::from(inner.next().unwrap())),
Rule::function_decl => TopLevelKind::FunctionDecl(FunctionDecl::from(pair)),
Rule::struct_decl => TopLevelKind::StructDecl {
visibility: Visibility::from(&mut inner),
name: Identifier::from(inner.next().unwrap()),
generics: consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default(),
fields: inner
.next()
.map(|pair| pair.into_inner().map(FieldDecl::from).collect())
.unwrap_or_default(),
},
Rule::class_decl => TopLevelKind::ClassDecl {
visibility: Visibility::from(&mut inner),
name: Identifier::from(inner.next().unwrap()),
generics: consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default(),
fields: inner
.next()
.unwrap()
.into_inner()
.map(FieldDeclStmt::from)
.collect(),
constructor: ClassConstructor::from(inner.next().unwrap()),
items: inner.into_iter().map(ClassItem::from).collect(),
},
Rule::enum_decl => TopLevelKind::EnumDecl {
visibility: Visibility::from(&mut inner),
name: Identifier::from(inner.next().unwrap()),
generics: consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default(),
fields: inner.map(EnumItem::from).collect(),
},
Rule::mod_package => TopLevelKind::Mod(Identifier::from(inner.next().unwrap())),
Rule::impl_for_decl | Rule::impl_decl => TopLevelKind::ImplDecl(ImplDecl::from(pair)),
Rule::trait_decl => TopLevelKind::TraitDecl {
visibility: Visibility::from(&mut inner),
name: Identifier::from(inner.next().unwrap()),
generics: consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default(),
requirements: consume_rule(&mut inner, Rule::trait_requirements)
.map(|pair| pair.into_inner().map(TypeExpr::from).collect())
.unwrap_or_default(),
items: inner.map(FunctionDecl::from).collect(),
},
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for ClassItem {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
match rule {
Rule::impl_decl | Rule::impl_for_decl => ClassItem::ImplDecl(ImplDecl::from(pair)),
Rule::method => ClassItem::Method(FunctionDecl::from(pair)),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for ImplDecl {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::impl_for_decl => ImplDecl {
generics: consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default(),
trait_: Some(TypeExpr::from(inner.next().unwrap())),
target: TypeExpr::from(inner.next().unwrap()),
methods: inner.map(FunctionDecl::from).collect(),
},
Rule::impl_decl => ImplDecl {
generics: consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default(),
trait_: None,
target: TypeExpr::from(inner.next().unwrap()),
methods: inner.map(FunctionDecl::from).collect(),
},
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for EnumItem {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::enum_named => EnumItem::Named(Identifier::from(inner.next().unwrap())),
Rule::enum_tuple => EnumItem::Tuple(
Identifier::from(inner.next().unwrap()),
inner
.next()
.unwrap()
.into_inner()
.map(TypeExpr::from)
.collect(),
),
Rule::enum_struct => EnumItem::Struct(
Identifier::from(inner.next().unwrap()),
inner
.next()
.map(|pair| pair.into_inner().map(FieldDecl::from).collect())
.unwrap_or_default(),
),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Block {
fn from(pair: pest::iterators::Pair<Rule>) -> Self {
let statements = pair
.into_inner()
.flat_map(|pair| {
if pair.as_rule() == Rule::statement_list {
pair.into_inner().map(Statement::from).collect()
} else {
vec![Statement::from(pair)]
}
})
.collect();
Block(statements)
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Statement {
fn from(pair: pest::iterators::Pair<Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::statement => Statement::from(inner.next().unwrap()),
Rule::expr_stmt => Statement::Expression(Expression::from(inner.next().unwrap())),
Rule::block => Statement::Block(Block::from(inner.next().unwrap())),
Rule::var_decl_statement => Statement::VarDecl(VarDeclStmt::from(pair)),
Rule::return_stmt => {
let expr = inner.next().map(Expression::from);
Statement::Return(expr)
}
Rule::break_stmt => Statement::Break,
Rule::continue_stmt => Statement::Continue,
Rule::if_stmt => {
let mut inner = inner.skip(2);
Statement::If {
initial: pair.into(),
else_if: inner
.next()
.unwrap()
.into_inner()
.map(StatementBranch::from)
.collect(),
else_branch: inner.next().map(Statement::from).map(Box::new),
}
}
Rule::while_stmt => Statement::While(pair.into()),
Rule::c_for_stmt => Statement::CStyleFor {
init: Box::new(Statement::from(inner.next().unwrap())),
condition: inner.next().unwrap().into(),
update: Box::new(Statement::from(inner.next().unwrap())),
body: Box::new(Statement::from(inner.next().unwrap())),
},
Rule::for_stmt => Statement::For {
mutable: listen_rule(&mut inner, Rule::mutable),
pattern: Pattern::from(inner.next().unwrap()),
iterator: inner.next().unwrap().into(),
body: Box::new(Statement::from(inner.next().unwrap())),
},
Rule::assign_statement => Statement::VarAssign(VarAssignStmt {
target: Expression::from(inner.next().unwrap()),
value: Expression::from(inner.next().unwrap()),
}),
Rule::match_stmt => Statement::Match(
Expression::from(inner.next().unwrap()),
inner
.map(|match_itms| {
let mut match_inner = match_itms.into_inner();
(
Pattern::from(match_inner.next().unwrap()),
Block::from(match_inner.next().unwrap()),
)
})
.collect(),
),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Literal {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::primary => Self::from(inner.next().unwrap()),
Rule::literal => Self::from(inner.next().unwrap()),
Rule::integer => Literal::Int(pair.as_str().parse::<i64>().unwrap()),
Rule::float => Literal::Float(pair.as_str().parse::<f64>().unwrap()),
Rule::boolean => Literal::Bool(pair.as_str().parse::<bool>().unwrap()),
Rule::string_lit => Literal::String(inner.as_str().to_string()),
Rule::tuple => Literal::Tuple(inner.map(Expression::from).collect()),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Expression {
fn from(pair: pest::iterators::Pair<Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::expr => {
let prefixes: Vec<Prefix> = inner
.next()
.map(|p| p.into_inner().into_iter().map(Prefix::from).collect())
.unwrap_or_default();
let exp = Expression::from(inner.next().unwrap());
if inner.len() > 0 || prefixes.len() > 0 {
Expression::Fix {
initial: Box::new(exp),
prefixes,
postfixes: inner.map(|p| Postfix::from(p)).collect(),
}
} else {
exp
}
}
Rule::primary => Expression::from(inner.next().unwrap()),
Rule::static_path => Expression::Path(Path::from(pair)),
Rule::literal => Expression::Literal(Literal::from(pair)),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Prefix {
fn from(pair: pest::iterators::Pair<Rule>) -> Self {
match pair.as_rule() {
Rule::prefix => Self::from(pair.into_inner().next().unwrap()),
Rule::deref_px => Self::Deref,
Rule::mut_ref_px => Self::RefMut,
Rule::ref_px => Self::Ref,
Rule::new_px => Self::New,
Rule::not_px => Self::Not,
_ => unimplemented!("{pair:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Postfix {
fn from(pair: pest::iterators::Pair<Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.into_inner();
match rule {
Rule::postfix => Postfix::from(inner.next().unwrap()),
Rule::field_px => Postfix::FieldAccess(Identifier::from(inner.next().unwrap())),
Rule::call_px => Postfix::Call(inner.map(Expression::from).collect()),
Rule::struct_px => Postfix::StructCall(
inner
.map(|p| {
let mut pi = p.into_inner();
(
Identifier::from(pi.next().unwrap()),
Expression::from(pi.next().unwrap()),
)
})
.collect(),
),
Rule::index_px => Postfix::Index(Expression::from(inner.next().unwrap())),
Rule::binary_px => {
let op_pair = inner.next().unwrap();
let op = match op_pair.as_str() {
"+" => BinaryOp::Plus,
"-" => BinaryOp::Minus,
"*" => BinaryOp::Multiply,
"/" => BinaryOp::Divide,
"%" => BinaryOp::Modulo,
"==" => BinaryOp::Equal,
"!=" => BinaryOp::NotEqual,
"<" => BinaryOp::LessThan,
">" => BinaryOp::GreaterThan,
"<=" => BinaryOp::LessThanOrEqual,
">=" => BinaryOp::GreaterThanOrEqual,
"&&" => BinaryOp::And,
"||" => BinaryOp::Or,
_ => {
unimplemented!("Binary operator not implemented yet: {}", op_pair.as_str())
}
};
Postfix::Binary(op, Expression::from(inner.next().unwrap()))
}
Rule::macro_call_px => Postfix::MacroCall(inner.as_str().to_string()),
_ => unimplemented!("{rule:#?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for VarDeclStmt {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
match pair.as_rule() {
Rule::var_decl_statement => {
let mut inner = pair.into_inner();
let decl = VarDecl::from(inner.next().unwrap());
let init = inner.next().map(Expression::from);
VarDeclStmt { decl, init }
}
_ => unimplemented!(),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for FieldDeclStmt {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
match pair.as_rule() {
Rule::class_field => {
let mut inner = pair.into_inner();
let decl = FieldDecl::from(inner.next().unwrap());
let init = inner.next().map(Expression::from);
FieldDeclStmt { decl, init }
}
_ => unimplemented!(),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for Pattern {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let rule = pair.as_rule();
let mut inner = pair.clone().into_inner();
match rule {
Rule::tuple_pattern => Pattern::Tuple(inner.map(Identifier::from).collect()),
Rule::named_tuple_pattern => Pattern::NamedTuple(
Path::from(inner.next().unwrap()),
inner.map(Identifier::from).collect(),
),
Rule::struct_pattern => Pattern::Struct(
Path::from(inner.next().unwrap()),
inner.map(Identifier::from).collect(),
),
Rule::literal => Pattern::Literal(Literal::from(pair)),
Rule::identifier => Pattern::Id(Identifier::from(pair)),
Rule::static_path => Pattern::Path(Path::from(pair)),
_ => unimplemented!("{rule:?}"),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for VarDecl {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
match pair.as_rule() {
Rule::var_decl => {
let mut inner = pair.into_inner();
let type_ = inner.next().and_then(|pair| {
if pair.as_str().trim() == "var" {
None
} else {
Some(TypeExpr::from(pair))
}
});
let mutable = listen_rule(&mut inner, Rule::mutable);
let name = Pattern::from(inner.next().unwrap());
VarDecl {
mutable,
name,
type_,
}
}
_ => unimplemented!("{:?}", pair.as_rule()),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for FieldDecl {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
match pair.as_rule() {
Rule::field => {
let mut inner = pair.into_inner();
let visibility = Visibility::from(&mut inner);
let type_ = TypeExpr::from(inner.next().unwrap());
let name = Identifier::from(inner.next().unwrap());
FieldDecl {
visibility,
type_,
name,
}
}
_ => unimplemented!("{:?}", pair.as_rule()),
}
}
}
impl From<pest::iterators::Pair<'_, Rule>> for FunctionDecl {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
let mut inner = pair.into_inner();
let visibility = Visibility::from(&mut inner);
let return_type = TypeExpr::from(inner.next().unwrap());
let name = Identifier::from(inner.next().unwrap());
let generics = consume_rule(&mut inner, Rule::generics)
.map(Generics::from)
.unwrap_or_default();
let self_param = consume_rule(&mut inner, Rule::self_param).map(|param| {
let mut param_inner = param.into_inner();
let name = Pattern::Id(Identifier(String::from("self")));
let mutable = listen_rule(&mut param_inner, Rule::mutable);
let is_ref = listen_rule(&mut param_inner, Rule::deref_px);
VarDecl {
mutable: mutable && !is_ref,
name: name.clone(),
type_: Some(TypeExpr(
TypeExprKind::Path(Path(vec![Identifier("Self".to_string())])),
if is_ref {
vec![if mutable {
TypePostfix::RefMut
} else {
TypePostfix::Ref
}]
} else {
Vec::new()
},
)),
}
});
let params = consume_rule(&mut inner, Rule::param_list)
.map({
let self_param = self_param.clone();
|params_pair| {
let mut params = ParamList::from(params_pair);
if let Some(x) = self_param {
params.0.insert(0, x);
}
params
}
})
.unwrap_or_else(|| ParamList(self_param.into_iter().collect()));
let body = inner.next().map(Block::from);
Self {
visibility,
name,
generics,
params,
return_type,
body,
}
}
}
impl From<&mut pest::iterators::Pairs<'_, Rule>> for Visibility {
fn from(pairs: &mut pest::iterators::Pairs<'_, Rule>) -> Self {
if listen_rule(pairs, Rule::export) {
Visibility::Public
} else {
Visibility::Private
}
}
}
pub fn listen_rule(pairs: &mut pest::iterators::Pairs<'_, Rule>, rule: Rule) -> bool {
let consumed = pairs
.peek()
.map(|p| p.as_rule() == rule)
.unwrap_or_default();
if consumed {
pairs.next();
}
consumed
}
pub fn consume_rule<'a>(
pairs: &mut pest::iterators::Pairs<'a, Rule>,
rule: Rule,
) -> Option<pest::iterators::Pair<'a, Rule>> {
let consumed = pairs
.peek()
.map(|p| p.as_rule() == rule)
.unwrap_or_default();
if consumed { pairs.next() } else { None }
}
impl From<pest::iterators::Pair<'_, Rule>> for Identifier {
fn from(pair: pest::iterators::Pair<'_, Rule>) -> Self {
Identifier(pair.as_str().to_string())
}
}
+4
View File
@@ -0,0 +1,4 @@
pub mod builder;
pub mod transpiler;
fn main() {}
+5
View File
@@ -0,0 +1,5 @@
use <mist_analyzer>;
void main() {
mist_analyzer::start();
}
+183
View File
@@ -0,0 +1,183 @@
use std::{
collections::HashMap,
env, fs,
path::{MAIN_SEPARATOR, PathBuf},
process::{Command, Stdio},
};
use cargo_metadata::{CompilerMessage, Message};
use mist_parser::rev_mapper::{RustMap, find_mapping, get_mapping};
#[derive(Debug, Clone)]
pub struct MistDiagnosticMessage {
pub message: String,
pub file_path: PathBuf,
pub file_name: String,
pub line: usize,
pub column: usize,
}
#[derive(Debug, Clone)]
pub enum MistDiagnostic {
Error(MistDiagnosticMessage),
Warning(MistDiagnosticMessage),
Rust(CompilerMessage),
}
pub fn build(mut args: Vec<String>, root: PathBuf) -> bool {
args.remove(0);
args.insert(1, "--message-format=json".to_string());
let is_root = root == env::current_dir().expect("Failed getting env");
let mut command = Command::new("cargo")
.args(args)
.stdout(Stdio::piped())
.stderr(Stdio::inherit())
.stdin(Stdio::inherit())
.spawn()
.expect("Failed to run cargo");
let mut reader = std::io::BufReader::new(command.stdout.take().expect("Failed to get reader"));
let mut diagnostics = Vec::new();
let mut mapping = HashMap::new();
let mist_src = format!(".mist{MAIN_SEPARATOR}src");
for message in cargo_metadata::Message::parse_stream(&mut reader) {
match message {
Ok(Message::CompilerMessage(msg)) => {
for span in &msg.message.spans {
if span.is_primary {
let rust_path = root.join(&span.file_name);
let mist_file = span
.file_name
.replacen(&mist_src, "src", 1)
.trim_end_matches(".rs")
.to_string()
+ ".mist";
let mist_path = root.join(&mist_file);
if !fs::exists(&mist_path).expect("Unable to check if mist file exists") {
diagnostics.push(MistDiagnostic::Rust(msg));
break;
}
let map = mapping.entry(rust_path.clone()).or_insert_with(|| {
get_mapping(
&fs::read_to_string(rust_path)
.expect("Failed to read file for mapping"),
)
});
let mist_span =
find_mapping(&map, &RustMap(span.line_end, span.column_start))
.expect("Unable to find mapping");
let mist_msg = MistDiagnosticMessage {
message: span.label.clone().unwrap_or(msg.message.message.clone()),
file_name: if is_root {
mist_file
} else {
mist_path.to_string_lossy().to_string()
},
file_path: mist_path,
line: mist_span.1.0,
column: mist_span.1.1,
};
match msg.message.level {
cargo_metadata::diagnostic::DiagnosticLevel::Error => {
diagnostics.push(MistDiagnostic::Error(mist_msg))
}
cargo_metadata::diagnostic::DiagnosticLevel::Warning => {
diagnostics.push(MistDiagnostic::Warning(mist_msg))
}
_ => {}
}
}
}
}
Ok(Message::BuildFinished(finish)) => {
print_diagnostics(&diagnostics);
let mut raw_reader = reader.into_inner();
let mut stdout = std::io::stdout();
std::io::copy(&mut raw_reader, &mut stdout)
.map_err(|v| v.to_string())
.expect("(Mist) Failed to copy IO");
command.wait().unwrap();
return finish.success;
}
Ok(Message::TextLine(text)) => println!("{text}"),
_ => {}
}
}
false
}
pub fn print_diagnostics(diagnostics: &Vec<MistDiagnostic>) {
let mut files = HashMap::new();
for diag in diagnostics {
match diag {
MistDiagnostic::Error(msg) => {
let line = get_line(&mut files, &msg);
println!(
"\n{}:{}:{}\n \x1b[31mError\x1b[0m: {}\n\t{}",
msg.file_name,
msg.line,
msg.column,
msg.message,
line.unwrap_or_default(),
)
}
MistDiagnostic::Warning(msg) => {
let line = get_line(&mut files, &msg);
println!(
"\n{}:{}:{}\n \x1b[33mWarning\x1b[0m: {}\n\t{}",
msg.file_name,
msg.line,
msg.column,
msg.message,
line.unwrap_or_default(),
)
}
MistDiagnostic::Rust(rs) => println!("{rs}"),
}
}
}
pub fn get_line(
files: &mut HashMap<PathBuf, Vec<String>>,
msg: &MistDiagnosticMessage,
) -> Option<String> {
let src_path = msg.file_path.clone();
let lines = files.entry(src_path.clone()).or_insert_with(|| {
fs::read_to_string(src_path)
.expect("Unable to read mist file")
.lines()
.into_iter()
.map(String::from)
.collect()
});
lines.get(msg.line).map(|v| v.trim().to_string())
}
-881
View File
@@ -1,881 +0,0 @@
use mist_parser::ast::{
Attribute, BinaryOp, Block, ClassItem, EnumItem, Expression, FieldDecl, FunctionDecl, Generic,
Generics, Identifier, ImplDecl, Literal, Path, Pattern, Postfix, Prefix, Statement,
StatementBranch, TopLevel, TopLevelKind, TypeExpr, TypeExprKind, TypePostfix, VarAssignStmt,
VarDecl, VarDeclStmt, Visibility,
};
// ---------------------------------------------------------------------------
// Traits
// ---------------------------------------------------------------------------
/// Implemented by nodes that *write* into the codegen output buffer.
/// Requires `&mut RustCodegen` because it calls `add` / `addln` / indentation helpers.
pub trait ToRust {
fn to_rust(&self, cg: &mut RustCodegen);
}
/// Implemented by nodes that *produce* a `String` without mutating the codegen.
/// Only needs `&RustCodegen` (e.g. for indent level or helper access).
pub trait GetRust {
fn get_rust(&self) -> String;
}
// ---------------------------------------------------------------------------
// Codegen struct
// ---------------------------------------------------------------------------
pub struct RustCodegen {
output: String,
indent: usize,
}
impl RustCodegen {
pub fn new() -> Self {
Self {
output: String::new(),
indent: 0,
}
}
fn indent_str(&self) -> String {
" ".repeat(self.indent)
}
fn add(&mut self, s: &str) {
self.output.push_str(s);
}
fn addln(&mut self, s: &str) {
self.add(s);
self.add("\n");
}
fn add_indentedln(&mut self, s: &str) {
let line = format!("{}{}\n", self.indent_str(), s);
self.add(&line);
}
pub fn generate(&mut self, toplevels: &[TopLevel]) -> String {
for tl in toplevels {
tl.to_rust(self);
}
self.output.clone()
}
pub fn ensure_brackets(&mut self, stmt: &Statement) {
match stmt {
Statement::Block(_) => stmt.to_rust(self),
_ => {
self.add_indentedln("{");
self.indent += 1;
stmt.to_rust(self);
self.indent -= 1;
self.add_indentedln("}");
}
}
}
}
impl Default for RustCodegen {
fn default() -> Self {
Self::new()
}
}
// ---------------------------------------------------------------------------
// GetRust — pure string production (expressions, types)
// ---------------------------------------------------------------------------
impl GetRust for TypeExpr {
fn get_rust(&self) -> String {
get_type_postfixes(&self.1) + &self.0.get_rust()
}
}
impl GetRust for TypeExprKind {
fn get_rust(&self) -> String {
match self {
TypeExprKind::Path(path) => get_static_type_path(path),
TypeExprKind::Lifetime(name) => format!("'{}", name.get_rust()),
TypeExprKind::PathParams(path, params) => {
format!(
"{}<{}>",
get_static_type_path(path),
params
.iter()
.map(|t| t.get_rust())
.collect::<Vec<_>>()
.join(", ")
)
}
TypeExprKind::Tuple(types) => format!(
"({})",
types
.iter()
.map(|t| t.get_rust())
.collect::<Vec<_>>()
.join(", ")
),
}
}
}
impl GetRust for Literal {
fn get_rust(&self) -> String {
match self {
Self::Int(n) => n.to_string(),
Self::Float(n) => format!("{n:?}"),
Self::Bool(b) => b.to_string(),
Self::String(s) => format!("\"{s}\""),
Self::Tuple(t) => {
format!(
"({})",
t.iter()
.map(Expression::get_rust)
.collect::<Vec<_>>()
.join(", ")
)
}
}
}
}
impl GetRust for Expression {
fn get_rust(&self) -> String {
match self {
Expression::Path(path) => path.get_rust(),
Expression::Literal(literal) => literal.get_rust(),
Expression::Fix {
initial,
prefixes,
postfixes,
} => {
prefixes.get_rust()
+ &initial.get_rust()
+ &Some(prefixes).get_rust()
+ &postfixes.get_rust()
}
}
}
}
impl GetRust for Prefix {
fn get_rust(&self) -> String {
match self {
Self::Deref => "*",
Self::Ref => "&",
Self::RefMut => "&mut ",
Self::Not => "!",
Self::New => "",
}
.to_string()
}
}
impl GetRust for [Prefix] {
fn get_rust(&self) -> String {
self.iter().map(Prefix::get_rust).collect()
}
}
impl GetRust for Option<&Vec<Prefix>> {
fn get_rust(&self) -> String {
self.map(|prefixes| {
prefixes
.iter()
.last()
.map(|p| match p {
Prefix::New => "::new",
_ => "",
})
.unwrap_or_default()
.to_string()
})
.unwrap_or_default()
}
}
impl GetRust for Postfix {
fn get_rust(&self) -> String {
match self {
Postfix::FieldAccess(field) => format!(".{}", field.get_rust()),
Postfix::Call(args) => {
let args = args
.iter()
.map(|a| a.get_rust())
.collect::<Vec<_>>()
.join(", ");
format!("({})", args)
}
Postfix::MacroCall(inner) => {
format!("!({})", inner)
}
Postfix::StructCall(fields) => {
let fields = fields
.iter()
.map(|(k, v)| format!("{}: {}", k.get_rust(), v.get_rust()))
.collect::<Vec<_>>()
.join(", ");
format!("{{ {} }}", fields)
}
Postfix::Index(idx) => {
format!("[{}]", idx.get_rust())
}
Postfix::Binary(op, rhs) => {
let op_str = match op {
BinaryOp::Plus => "+",
BinaryOp::Minus => "-",
BinaryOp::Multiply => "*",
BinaryOp::Divide => "/",
BinaryOp::Modulo => "%",
BinaryOp::Equal => "==",
BinaryOp::NotEqual => "!=",
BinaryOp::LessThan => "<",
BinaryOp::GreaterThan => ">",
BinaryOp::LessThanOrEqual => "<=",
BinaryOp::GreaterThanOrEqual => ">=",
BinaryOp::And => "&&",
BinaryOp::Or => "||",
};
format!(" {} {}", op_str, rhs.get_rust())
}
}
}
}
impl GetRust for [Postfix] {
fn get_rust(&self) -> String {
self.iter().map(Postfix::get_rust).collect()
}
}
// ---------------------------------------------------------------------------
// ToRust — output-writing (top-level, statements, blocks)
// ---------------------------------------------------------------------------
impl ToRust for Block {
fn to_rust(&self, cg: &mut RustCodegen) {
for stmt in &self.0 {
stmt.to_rust(cg);
}
}
}
impl ToRust for TopLevel {
fn to_rust(&self, cg: &mut RustCodegen) {
match &self.0 {
TopLevelKind::ModAttribute => {
for attr in &self.1 {
cg.addln(&format!("#![{}]", attr.get_rust()));
}
}
_ => {
for attr in &self.1 {
cg.addln(&format!("#[{}]", attr.get_rust()));
}
}
}
self.0.to_rust(cg);
}
}
impl GetRust for Attribute {
fn get_rust(&self) -> String {
match self {
Self::Path(path) => path.get_rust(),
Self::NameValue { path, value } => {
format!("{} = {}", path.get_rust(), value.get_rust())
}
Self::List { path, items } => {
format!(
"{}({})",
path.get_rust(),
items
.iter()
.map(Attribute::get_rust)
.collect::<Vec<_>>()
.join(", ")
)
}
}
}
}
impl ToRust for TopLevelKind {
fn to_rust(&self, cg: &mut RustCodegen) {
match self {
Self::ModAttribute => {}
Self::Import(path) => cg.addln(&format!("use {};", path.get_rust())),
Self::Mod(id) => cg.addln(&format!("mod {};", id.get_rust())),
Self::FunctionDecl(decl) => decl.to_rust(cg),
Self::ImplDecl(impl_) => impl_.to_rust(cg),
Self::StructDecl {
visibility,
name,
generics,
fields,
} => {
cg.addln(&format!(
"{}struct {}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust()
));
cg.indent += 1;
for field in fields {
cg.add_indentedln(&field.get_rust());
}
cg.indent -= 1;
cg.addln("}\n");
}
Self::EnumDecl {
visibility,
name,
generics,
fields,
} => {
cg.addln(&format!(
"{}enum {}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust()
));
cg.indent += 1;
for field in fields {
cg.add_indentedln(&(format!("{}", field.get_rust()) + ","));
}
cg.indent -= 1;
cg.addln("}\n");
}
Self::TraitDecl {
visibility,
name,
generics,
requirements,
items,
} => {
cg.addln(&format!(
"{}trait {}{}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust(),
if requirements.len() != 0 {
String::from(": ")
+ &requirements
.iter()
.map(TypeExpr::get_rust)
.collect::<Vec<_>>()
.join("+")
} else {
String::new()
},
));
cg.indent += 1;
for item in items {
item.to_rust(cg);
}
cg.indent -= 1;
cg.addln("}\n");
}
Self::ClassDecl {
visibility,
name,
generics,
fields,
constructor,
items,
} => {
// Struct decl
cg.addln(&format!(
"{}struct {}{} {{",
visibility.get_rust(),
name.get_rust(),
generics.get_rust()
));
cg.indent += 1;
for field in fields {
cg.add_indentedln(&field.decl.get_rust());
}
cg.indent -= 1;
cg.addln("}\n");
// Constructor
cg.addln(&format!(
"impl{} {}{} {{",
generics.get_rust(),
name.get_rust(),
format!(
"<{}>",
generics
.0
.iter()
.map(|v| (false, v).get_rust())
.collect::<Vec<_>>()
.join(", ")
)
));
cg.indent += 1;
let params_str = constructor
.params
.0
.iter()
.map(VarDecl::get_rust)
.collect::<Vec<_>>()
.join(", ");
cg.add_indentedln("#[allow(invalid_value)]");
cg.add_indentedln(&format!(
"{}fn new{}({}) -> Self {{",
constructor.visibility.get_rust(),
constructor.generics.get_rust(),
params_str
));
cg.indent += 1;
cg.add_indentedln("let mut this: Self = unsafe { std::mem::MaybeUninit::<Self>::zeroed().assume_init() };");
for field in fields {
if let Some(init) = &field.init {
cg.add_indentedln(&format!(
"this.{} = {};",
field.decl.name.get_rust(),
init.get_rust()
));
}
}
cg.add_indentedln(&format!(
"this.construct_class({});",
constructor
.params
.0
.iter()
.map(|e| e.name.get_rust())
.collect::<Vec<_>>()
.join(", ")
));
cg.add_indentedln("this");
cg.indent -= 1;
cg.add_indentedln("}\n");
// Constructor function
cg.add_indentedln(&format!(
"{}fn construct_class{}(&mut self, {}) {{",
constructor.visibility.get_rust(),
constructor.generics.get_rust(),
params_str
));
cg.indent += 1;
constructor.body.to_rust(cg);
cg.indent -= 1;
cg.add_indentedln("}\n");
for item in items {
match item {
ClassItem::ImplDecl(_) => {}
ClassItem::Method(method) => method.to_rust(cg),
}
}
cg.indent -= 1;
cg.addln("}\n");
for item in items {
match item {
ClassItem::ImplDecl(impl_) => {
let mut impl_ = impl_.clone();
impl_.trait_ = Some(impl_.target);
impl_.target =
TypeExpr(TypeExprKind::Path(Path(vec![name.clone()])), Vec::new());
impl_.to_rust(cg);
}
ClassItem::Method(_) => {}
}
}
}
}
}
}
impl ToRust for Statement {
fn to_rust(&self, cg: &mut RustCodegen) {
match self {
Statement::Expression(expr) => {
cg.add_indentedln(&format!("{};", expr.get_rust()));
}
Statement::Block(block) => {
cg.add_indentedln("{");
cg.indent += 1;
block.to_rust(cg);
cg.indent -= 1;
cg.add_indentedln("}");
}
Statement::VarDecl(VarDeclStmt { decl, init }) => {
let init = init
.as_ref()
.map(|e| format!(" = {}", e.get_rust()))
.unwrap_or_default();
cg.add_indentedln(&format!("let {}{};", decl.get_rust(), init));
}
Statement::VarAssign(VarAssignStmt { target, value }) => {
cg.add_indentedln(&format!("{} = {};", target.get_rust(), value.get_rust(),));
}
Statement::Match(expr, match_items) => {
cg.add_indentedln(&format!("match {} {{", expr.get_rust()));
cg.indent += 1;
for itm in match_items {
cg.add_indentedln(&format!("{} =>", itm.0.get_rust()));
cg.add_indentedln("{");
cg.indent += 1;
itm.1.to_rust(cg);
cg.indent -= 1;
cg.add_indentedln("}");
}
cg.indent -= 1;
cg.add_indentedln("}");
}
Statement::If {
initial,
else_if,
else_branch,
} => {
cg.add_indentedln(&format!("if {}", initial.condition.get_rust()));
cg.ensure_brackets(&initial.body);
for else_if_branch in else_if {
cg.add_indentedln(&format!("else if {}", else_if_branch.condition.get_rust()));
cg.ensure_brackets(&else_if_branch.body);
}
if let Some(else_br) = else_branch {
cg.add_indentedln("else");
cg.ensure_brackets(else_br);
}
}
Statement::While(StatementBranch { condition, body }) => {
cg.add_indentedln(&format!("while {}", condition.get_rust()));
cg.ensure_brackets(body);
}
Statement::CStyleFor {
init,
condition,
update,
body,
} => {
cg.add_indentedln("{");
cg.indent += 1;
init.to_rust(cg);
cg.add_indentedln(&format!("while {}", condition.get_rust()));
cg.add_indentedln("{");
cg.indent += 1;
cg.ensure_brackets(body);
update.to_rust(cg);
cg.indent -= 1;
cg.add_indentedln("}");
cg.indent -= 1;
cg.add_indentedln("}");
}
Statement::For {
mutable,
pattern,
iterator,
body,
} => {
cg.add_indentedln(&format!(
"for {}{} in {}",
get_mutable(*mutable),
pattern.get_rust(),
iterator.get_rust()
));
cg.ensure_brackets(body);
}
Statement::Return(expr) => {
let val = expr.as_ref().map(|e| e.get_rust()).unwrap_or_default();
cg.add_indentedln(&format!("return {};", val));
}
Statement::Break => cg.add_indentedln("break;"),
Statement::Continue => cg.add_indentedln("continue;"),
}
}
}
impl ToRust for FunctionDecl {
fn to_rust(&self, cg: &mut RustCodegen) {
let params_str = self
.params
.0
.iter()
.map(VarDecl::get_rust)
.collect::<Vec<_>>()
.join(", ");
cg.add_indentedln(&format!(
"{}fn {}{}({}) -> {}",
self.visibility.get_rust(),
self.name.get_rust(),
self.generics.get_rust(),
params_str,
self.return_type.get_rust()
));
if let Some(body) = &self.body {
cg.add_indentedln("{\n");
cg.indent += 1;
body.to_rust(cg);
cg.indent -= 1;
cg.add_indentedln("}\n");
} else {
cg.add(";");
}
}
}
impl ToRust for ImplDecl {
fn to_rust(&self, cg: &mut RustCodegen) {
if let Some(trait_) = &self.trait_ {
cg.add_indentedln(&format!(
"impl{} {} for {} {{",
self.generics.get_rust(),
trait_.get_rust(),
self.target.get_rust()
));
} else {
cg.add_indentedln(&format!(
"impl{} {} {{",
self.generics.get_rust(),
self.target.get_rust()
));
}
cg.indent += 1;
for method in &self.methods {
method.to_rust(cg);
}
cg.indent -= 1;
cg.add_indentedln("}");
}
}
impl GetRust for VarDecl {
fn get_rust(&self) -> String {
let ty = self
.type_
.as_ref()
.map(|t| format!(": {}", t.get_rust()))
.unwrap_or_default();
format!(
"{}{}{}",
get_mutable(self.mutable),
self.name.get_rust(),
ty
)
}
}
impl GetRust for Path {
fn get_rust(&self) -> String {
self.0
.iter()
.map(Identifier::get_rust)
.collect::<Vec<String>>()
.join("::")
}
}
impl GetRust for TypePostfix {
fn get_rust(&self) -> String {
match self {
TypePostfix::Ref => format!("&"),
TypePostfix::RefMut => format!("&mut "),
TypePostfix::RefLifetime(lifetime) => format!("&'{} ", lifetime.get_rust()),
TypePostfix::RefMutLifetime(lifetime) => format!("&'{} mut ", lifetime.get_rust()),
}
}
}
impl GetRust for Visibility {
fn get_rust(&self) -> String {
match self {
Visibility::Public => "pub ",
Visibility::Private => "",
}
.to_string()
}
}
impl GetRust for Identifier {
fn get_rust(&self) -> String {
self.0.clone()
}
}
impl GetRust for EnumItem {
fn get_rust(&self) -> String {
match self {
Self::Named(id) => id.get_rust(),
Self::Struct(id, s) => format!(
"{} {{{}}}",
id.get_rust(),
s.iter()
.map(|field| format!("{}: {}", field.name.get_rust(), field.type_.get_rust()))
.collect::<Vec<_>>()
.join(", ")
),
Self::Tuple(id, t) => format!(
"{} ({})",
id.get_rust(),
t.iter()
.map(TypeExpr::get_rust)
.collect::<Vec<_>>()
.join(", ")
),
}
}
}
impl GetRust for Pattern {
fn get_rust(&self) -> String {
match self {
Self::Id(id) => id.get_rust(),
Self::Path(path) => path.get_rust(),
Self::Literal(lit) => lit.get_rust(),
Self::Struct(path, ids) => format!(
"{} {{{}}}",
path.get_rust(),
ids.iter()
.map(Identifier::get_rust)
.collect::<Vec<_>>()
.join(", ")
),
Self::Tuple(ids) => format!(
"({})",
ids.iter()
.map(Identifier::get_rust)
.collect::<Vec<_>>()
.join(", ")
),
Self::NamedTuple(path, ids) => {
format!(
"{} ({})",
path.get_rust(),
ids.iter()
.map(Identifier::get_rust)
.collect::<Vec<_>>()
.join(", ")
)
}
}
}
}
impl GetRust for Generics {
fn get_rust(&self) -> String {
if self.0.len() == 0 {
String::new()
} else {
format!(
"<{}>",
self.0
.iter()
.map(|v| (true, v).get_rust())
.collect::<Vec<_>>()
.join(", ")
)
}
}
}
impl GetRust for (bool, &Generic) {
fn get_rust(&self) -> String {
match &self.1 {
Generic::Lifetime(name) => format!("'{}", name.get_rust()),
Generic::Type(name, requirements) => {
name.get_rust()
+ &(if !self.0 && requirements.len() == 0 {
String::new()
} else {
format!(
": {}",
requirements
.iter()
.map(TypeExpr::get_rust)
.collect::<Vec<_>>()
.join("+")
)
})
}
}
}
}
impl GetRust for FieldDecl {
fn get_rust(&self) -> String {
format!(
"{}{}: {},",
self.visibility.get_rust(),
self.name.get_rust(),
self.type_.get_rust()
)
}
}
pub fn get_static_type_path(path: &Path) -> String {
let rust_path = path.get_rust();
if rust_path == "void" {
format!("()")
} else {
rust_path
}
}
pub fn get_type_postfixes(postfixes: &[TypePostfix]) -> String {
postfixes.iter().map(TypePostfix::get_rust).collect()
}
pub fn get_mutable(mutable: bool) -> String {
if mutable { "mut " } else { "" }.to_string()
}
+106
View File
@@ -0,0 +1,106 @@
use <std::process>;
use <std::env>;
use <std::fs>;
pub mod builder;
pub mod transpiler;
void main() {
Vec<String> args = env::args().collect();
if (args.len() < 2) {
print_usage();
process::exit(1);
}
match (args[1].as_str()) {
"run" | "build" | "check" | "r" | "b" | "c" => {
var root = transpiler::build(false);
println!("");
if (builder::build(args, root)) {
println!("\x1b[32m\nBuild successful\x1b[0m");
} else {
println!("\x1b[31m\nBuild failed\x1b[0m");
}
}
"transpile" | "t" => {
transpiler::build(args.get(2).is_some());
}
"init" => {
init_project(args);
}
"version" | "--version" | "-v" => {
println!("mist {}", env!("CARGO_PKG_VERSION"));
}
"help" | "--help" | "-h" => {
print_usage();
}
unknown => {
eprintln!("error: unknown command '{}'\n", unknown);
print_usage();
process::exit(1);
}
}
}
void print_usage() {
println!("Mist - the mist compiler\n");
println!("󰖟 View our documentation! \x1b[35mhttps://mist.selimaj.dev\x1b[0m");
println!(" Follow us on github! \x1b[35mhttps://github.com/mist-go\x1b[0m\n");
println!("usage:");
println!(" \x1b[36m mist run\x1b[0m,\x1b[36m r\x1b[0m run the project in the current directory\n");
println!(
" \x1b[36m mist build\x1b[0m,\x1b[36m b\x1b[0m build the project in the current directory\n"
);
println!(
" \x1b[36m mist transpile\x1b[0m,\x1b[36m t\x1b[0m transpile the project in the current directory\n"
);
println!(
" \x1b[36m mist check\x1b[0m,\x1b[36m c\x1b[0m check the project in the current directory\n"
);
println!(
" \x1b[36m mist init\x1b[0m initialize a project in the current folder\n"
);
println!(" \x1b[36m mist version \x1b[0m print the compiler version\n");
println!(" \x1b[36m mist help\x1b[0m print this message\n");
}
void init_project(Vec<String> mut args) {
args.remove(0);
new process::Command("cargo")
.args(args)
.stdout(process::Stdio::inherit())
.stderr(process::Stdio::inherit())
.stdin(process::Stdio::inherit())
.spawn()
.expect("Failed to run cargo").wait().expect("Unable to wait");
bool is_lib = fs::metadata("src/lib.rs").is_ok();
if (is_lib) {
fs::remove_file("src/lib.rs").expect("Failed to remove src/lib.rs");
fs::write("src/lib.mist", "void test() {\n}").expect("Failed to create src/lib.mist");
} else {
fs::remove_file("src/main.rs").expect("Failed to remove src/main.rs");
fs::write("src/main.mist", "void main() {\n println!(\"Hello, World!\");\n}\n").expect("Failed to create src/main.mist");
}
inject_mist_target(is_lib);
println!("\n\x1b[34minfo\x1b[0m: Please open Cargo.toml and adjust `\x1b[35mname\x1b[0m = ` as needed, Thank you for using Mist!\n");
}
void inject_mist_target(bool is_lib) {
String toml_content = fs::read_to_string("Cargo.toml").expect("Failed to read Cargo.toml");
str* inject = if (is_lib) {
"\n[lib]\nname = \"my_lib\"\npath = \".mist/src/lib.rs\"\n"
} else {
"\n[[bin]]\nname = \"my_bin\"\npath = \".mist/src/main.rs\"\n"
};
fs::write("Cargo.toml", toml_content+inject).expect("Failed to create src/main.mist");
}
-44
View File
@@ -1,44 +0,0 @@
use std::process;
pub mod codegen;
pub mod compiler;
fn main() {
let args: Vec<String> = std::env::args().collect();
if args.len() < 2 {
print_usage();
process::exit(1);
}
match args[1].as_str() {
"build" => {
if args.len() < 2 {
eprintln!("error: expected a file path\n usage: mist build");
process::exit(1);
}
compiler::build();
}
"version" | "--version" | "-v" => {
println!("mist {}", env!("CARGO_PKG_VERSION"));
}
"help" | "--help" | "-h" => {
print_usage();
}
unknown => {
eprintln!("error: unknown command '{}'\n", unknown);
print_usage();
process::exit(1);
}
}
}
fn print_usage() {
println!("mist - the mist compiler");
println!();
println!("usage:");
println!(" mist build compile the project in the current directory");
println!(" mist check <file.ms> parse and validate without compiling");
println!(" mist version print the compiler version");
println!(" mist help print this message");
}
+64 -47
View File
@@ -5,38 +5,31 @@ use std::{
time::Instant,
};
use serde::Deserialize;
use mist_parser::error::ParseError;
#[derive(Deserialize)]
struct Config {
src: String,
output: String,
}
pub fn build() {
pub fn build(force: bool) -> PathBuf {
let start = Instant::now();
// 1. find project root
let root = find_project_root().unwrap_or_else(|| {
panic!("error: could not find project root (mist.json)");
});
let root = std::env::current_dir()
.ok()
.expect("Unable to find project root");
println!("mistc build ({})", root.display());
let src_dir = root.join("src");
let out_dir = root.join(".mist/src");
// 2. load config
let config = load_config(&root);
let src_dir = root.join(&config.src);
let out_dir = root.join(&config.output);
build_dir(&root, &src_dir, &src_dir, &out_dir);
build_dir(&root, &src_dir, &src_dir, &out_dir, force);
let elapsed = start.elapsed();
println!("build finished in {:.2?}", elapsed);
println!(
"\x1b[32m\nTranspile successful\x1b[0m in \x1b[34m{:.2?}\x1b[0m",
elapsed
);
root
}
fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path) {
fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path, force: bool) {
let entries = match fs::read_dir(current_dir) {
Ok(entries) => entries,
Err(e) => {
@@ -64,19 +57,36 @@ fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path) {
// recurse into nested directories
if path.is_dir() {
build_dir(root, base_src, &path, out_dir);
continue;
}
// skip non-mist files
if path.extension().and_then(|e| e.to_str()) != Some("mist") {
build_dir(root, base_src, &path, out_dir, force);
continue;
}
let relative = path.strip_prefix(base_src).unwrap();
// Handle non-mist files with a cache check
if path.extension().and_then(|e| e.to_str()) != Some("mist") {
let dest_path = out_dir.join(relative);
// Create parent directories for static assets if needed
if let Some(parent) = dest_path.parent() {
let _ = fs::create_dir_all(parent);
}
if !force && should_skip(&path, &dest_path) {
continue;
}
fs::copy(&path, dest_path).expect("Failed to copy non-mist file");
continue;
}
let output_path = out_dir.join(relative).with_extension("rs");
// Cache layer: Skip if the generated .rs file is newer than the .mist source
if !force && should_skip(&path, &output_path) {
continue;
}
// create parent directories
if let Some(parent) = output_path.parent() {
if let Err(e) = fs::create_dir_all(parent) {
@@ -100,7 +110,25 @@ fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path) {
}
};
let parser_result = mist_parser::parse(&source).map_err(|e| e.to_string());
let parser_result = mist_parser::parse(&source).map_err(|e| match e {
ParseError::Ast(e) => {
let start_pos = e.span.start_pos().line_col();
let span = e.span.as_str();
format!(
"\n{}:{}:{}\n \x1b[31mError\x1b[0m: {}\n\t{}{}\t{}",
path.as_os_str().display(),
start_pos.0,
start_pos.1,
e.error_message,
span,
if span.ends_with("\n") { "" } else { "\n" },
"^".repeat(span.trim().len()),
)
}
ParseError::PreAst(e) => format!("{e}"),
});
let ast = match parser_result {
Ok(ast) => ast,
@@ -113,8 +141,8 @@ fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path) {
// semantic::walk_ast(semantic::scope::Scope::from_top(root, &ast), &mut ast);
let mut gc = crate::codegen::RustCodegen::new();
let output = gc.generate(&ast);
let mut gc = mist_codegen::RustCodegen::new();
let output = gc.generate(ast);
if let Err(e) = fs::write(&output_path, output) {
eprintln!(
@@ -128,22 +156,11 @@ fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path) {
}
}
pub fn find_project_root() -> Option<PathBuf> {
let mut dir = std::env::current_dir().ok()?;
loop {
if dir.join("mist.json").exists() {
return Some(dir);
}
if !dir.pop() {
return None;
fn should_skip(source: &Path, output: &Path) -> bool {
if let (Ok(src_meta), Ok(out_meta)) = (fs::metadata(source), fs::metadata(output)) {
if let (Ok(src_time), Ok(out_time)) = (src_meta.modified(), out_meta.modified()) {
return out_time >= src_time;
}
}
}
fn load_config(root: &Path) -> Config {
let content = fs::read_to_string(root.join("mist.json")).expect("failed to read mist.json");
serde_json::from_str(&content).expect("invalid mist.json format")
false
}