Start writing forth compiler
This commit is contained in:
parent
173a857a5a
commit
ec7a147ec9
27 changed files with 790 additions and 221 deletions
204
Cargo.lock
generated
204
Cargo.lock
generated
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@ -19,9 +19,9 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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@ -87,9 +87,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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"bitflags",
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@ -104,9 +104,9 @@ dependencies = [
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[[package]]
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"heck",
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"proc-macro-error",
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@ -168,6 +168,18 @@ version = "0.3.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"cfg-if",
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"libc",
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"redox_syscall",
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"windows-sys",
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]
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[[package]]
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@ -223,6 +235,18 @@ dependencies = [
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"unescape",
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]
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[[package]]
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dependencies = [
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"anyhow",
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"clap",
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"hence",
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"itertools",
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"num-parse",
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"sailfish",
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]
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[[package]]
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name = "hermit-abi"
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version = "0.1.19"
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@ -232,6 +256,15 @@ dependencies = [
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"libc",
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]
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[[package]]
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name = "home"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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]
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[[package]]
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name = "indexmap"
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@ -251,6 +284,12 @@ dependencies = [
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"either",
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]
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[[package]]
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name = "itoap"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "libc"
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version = "0.2.132"
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@ -416,18 +455,18 @@ dependencies = [
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[[package]]
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name = "proc-macro2"
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version = "1.0.43"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"unicode-ident",
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"unicode-xid",
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]
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[[package]]
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name = "quote"
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checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
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checksum = "f53dc8cf16a769a6f677e09e7ff2cd4be1ea0f48754aac39520536962011de0d"
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dependencies = [
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"proc-macro2",
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]
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@ -468,6 +507,15 @@ dependencies = [
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"getrandom",
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]
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[[package]]
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name = "redox_syscall"
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version = "0.2.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
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"bitflags",
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]
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[[package]]
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name = "rhexdump"
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version = "0.1.1"
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@ -514,6 +562,50 @@ version = "0.1.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
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[[package]]
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name = "ryu"
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version = "1.0.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
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[[package]]
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name = "sailfish"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "948a7edfc2f03d7c58a097dda25ed29440a72e8528894a6e182fe9171195fed1"
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"itoap",
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"ryu",
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"sailfish-macros",
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"version_check",
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]
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[[package]]
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name = "sailfish-compiler"
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dependencies = [
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"filetime",
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"home",
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"memchr",
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"proc-macro2",
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"quote",
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"serde",
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"syn",
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"toml",
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]
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[[package]]
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"proc-macro2",
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"sailfish-compiler",
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[[package]]
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name = "same-file"
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@ -523,6 +615,26 @@ dependencies = [
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"winapi-util",
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]
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[[package]]
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"serde_derive",
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]
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[[package]]
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "sha2"
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@ -544,13 +656,13 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "syn"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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"unicode-xid",
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]
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[[package]]
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@ -578,6 +690,15 @@ version = "0.15.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "toml"
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version = "0.5.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"serde",
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]
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[[package]]
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name = "typenum"
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version = "1.15.0"
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@ -590,18 +711,18 @@ version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "unicode-ident"
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[[package]]
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name = "unicode-width"
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[[package]]
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name = "unicode-xid"
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[[package]]
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name = "version_check"
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version = "0.9.4"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "windows-sys"
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dependencies = [
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"windows_aarch64_msvc",
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"windows_i686_gnu",
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"windows_i686_msvc",
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"windows_x86_64_gnu",
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"windows_x86_64_msvc",
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]
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[[package]]
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name = "windows_aarch64_msvc"
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version = "0.36.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
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[[package]]
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name = "windows_i686_gnu"
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version = "0.36.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
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[[package]]
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name = "windows_i686_msvc"
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version = "0.36.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
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[[package]]
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name = "windows_x86_64_gnu"
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version = "0.36.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
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[[package]]
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name = "windows_x86_64_msvc"
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version = "0.36.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
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30
Cargo.toml
30
Cargo.toml
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[package]
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name = "hence"
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version = "0.1.0"
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edition = "2021"
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authors = ["Dominic Grimm <dominic@dergrimm.net>"]
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repository = "https://git.dergrimm.net/dergrimm/hence.git"
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[lib]
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name = "hence"
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path = "src/lib/lib.rs"
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[[bin]]
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name = "hence"
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path = "src/bin/main.rs"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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itertools = "0.10.2"
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num-parse = "0.1.2"
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clap = { version = "3.2.16", features = ["derive"] }
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rhexdump = "0.1.1"
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radix_fmt = "1"
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rand = "0.8.5"
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console = "0.15.1"
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anyhow = { version = "1.0.62", features = ["backtrace"] }
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rust-embed = "6.4.0"
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unescape = "0.1.0"
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[workspace]
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members = ["hence", "henceforth"]
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.requires "$lib/core.asm"
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.define MEM_INPUT_SIZE, 16
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.define MEM_INPUT_DYN_END, CORE_MEM_MEM
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.define MEM_INPUT_START, (MEM_INPUT_DYN_END + 1)
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.define MEM_INPUT_END, (MEM_INPUT_START + MEM_INPUT_SIZE)
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.include "$lib/core.asm"
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.include "$lib/std.asm"
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.include "$lib/main.asm"
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.include "constants.asm"
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.jump_main
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data:
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.main
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.std_rset CORE_REG_C, MEM_INPUT_START
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get_input_loop:
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.std_get CORE_MEM_KEY
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tlr CORE_REG_A
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@ tlr CORE_REG_D
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.std_set CORE_MEM_CHR
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tsr CORE_REG_C
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set
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@ .std_rset CORE_REG_B, ' '
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@ .std_alu CORE_ALU_EQ
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@ tlr CORE_REG_A
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@ .std_cond_jump get_input_loop
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@ .std_cp CORE_REG_D, CORE_REG_A
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tlr CORE_REG_A
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.std_rset CORE_REG_B, 1
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.std_alu CORE_ALU_ADD
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tlr CORE_REG_A
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tlr CORE_REG_C
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.std_rset CORE_REG_B, MEM_INPUT_END
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.std_alu CORE_ALU_LT
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tlr CORE_REG_A
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.std_cond_jump get_input_loop
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.std_cp CORE_REG_C, CORE_REG_A
|
||||
.std_set MEM_INPUT_DYN_END
|
||||
|
||||
.std_rset CORE_REG_A, '\n'
|
||||
.std_set CORE_MEM_CHR
|
||||
|
||||
.std_rset CORE_REG_B, MEM_INPUT_START
|
||||
.std_get MEM_INPUT_DYN_END
|
||||
tlr CORE_REG_D
|
||||
print_loop:
|
||||
tsr CORE_REG_B
|
||||
get
|
||||
tlr CORE_REG_A
|
||||
.std_set CORE_MEM_CHR
|
||||
|
||||
.std_rset CORE_REG_A, 1
|
||||
.std_alu CORE_ALU_ADD
|
||||
tlr CORE_REG_B
|
||||
|
||||
.std_cp CORE_REG_D, CORE_REG_A
|
||||
.std_alu CORE_ALU_GT
|
||||
tlr CORE_REG_A
|
||||
.std_cond_jump print_loop
|
||||
|
||||
.std_rset CORE_REG_A, '\n'
|
||||
.std_set CORE_MEM_CHR
|
||||
.std_stop
|
||||
28
hence/Cargo.toml
Normal file
28
hence/Cargo.toml
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
[package]
|
||||
name = "hence"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
authors = ["Dominic Grimm <dominic@dergrimm.net>"]
|
||||
repository = "https://git.dergrimm.net/dergrimm/hence.git"
|
||||
|
||||
[lib]
|
||||
name = "hence"
|
||||
path = "src/lib/lib.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "hence"
|
||||
path = "src/bin/main.rs"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
itertools = "0.10.2"
|
||||
num-parse = "0.1.2"
|
||||
clap = { version = "3.2.16", features = ["derive"] }
|
||||
rhexdump = "0.1.1"
|
||||
radix_fmt = "1"
|
||||
rand = "0.8.5"
|
||||
console = "0.15.1"
|
||||
anyhow = { version = "1.0.62", features = ["backtrace"] }
|
||||
rust-embed = "6.4.0"
|
||||
unescape = "0.1.0"
|
||||
|
|
@ -1,4 +1,5 @@
|
|||
; hence core lib
|
||||
|
||||
core:
|
||||
.define NULL, 0x0000
|
||||
.define VOID, NULL
|
||||
|
|
@ -3,16 +3,16 @@
|
|||
.requires "$lib/core.asm"
|
||||
.requires "$lib/std.asm"
|
||||
|
||||
.define main_local_jump_main, (CORE_MEM_ST - 3 - 1)
|
||||
.define lib_main_local_jump_main, (CORE_MEM_ST - 3 - 1)
|
||||
|
||||
.macro jump_main
|
||||
.std_jump main_local_jump_main
|
||||
.std_jump lib_main_local_jump_main
|
||||
.endmacro
|
||||
|
||||
.macro main
|
||||
main:
|
||||
|
||||
.org main_local_jump_main
|
||||
.org lib_main_local_jump_main
|
||||
ts main
|
||||
tlr CORE_REG_PC
|
||||
.org main
|
||||
62
hence/lib/std.asm
Normal file
62
hence/lib/std.asm
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
; hence standard lib
|
||||
|
||||
.requires "$lib/core.asm"
|
||||
|
||||
std:
|
||||
.macro std_tclr
|
||||
ts NULL
|
||||
.endmacro
|
||||
|
||||
.macro std_rclr, lib_std_rclr_arg_0_reg
|
||||
ts NULL
|
||||
tlr lib_std_rclr_arg_0_reg
|
||||
.endmacro
|
||||
|
||||
.macro std_alu, lib_std_alu_arg_0_op
|
||||
ts lib_std_alu_arg_0_op
|
||||
alu
|
||||
.endmacro
|
||||
|
||||
.macro std_get, lib_std_get_arg_0_addr
|
||||
ts lib_std_get_arg_0_addr
|
||||
get
|
||||
.endmacro
|
||||
|
||||
.macro std_set, lib_std_set_arg_0_addr
|
||||
ts lib_std_set_arg_0_addr
|
||||
set
|
||||
.endmacro
|
||||
|
||||
.macro std_cp, lib_std_cp_arg_0_from, lib_std_cp_arg_1_to
|
||||
tsr lib_std_cp_arg_0_from
|
||||
tlr lib_std_cp_arg_1_to
|
||||
.endmacro
|
||||
|
||||
.macro std_mv, lib_std_mv_arg_0_from, lib_std_cp_arg_1_to
|
||||
tsr lib_std_cp_arg_0_from
|
||||
tlr lib_std_cp_arg_1_to
|
||||
.std_rclr lib_std_cp_arg_1_to
|
||||
.endmacro
|
||||
|
||||
.macro std_rset, lib_std_init_arg_0_reg, lib_std_init_arg_1_val
|
||||
ts lib_std_init_arg_1_val
|
||||
tlr lib_std_init_arg_0_reg
|
||||
.endmacro
|
||||
|
||||
.macro std_jump, lib_std_jump_arg_0_label
|
||||
.std_rset CORE_REG_PC, lib_std_jump_arg_0_label
|
||||
.endmacro
|
||||
|
||||
.macro std_cond_jump, lib_std_cond_jump_arg_0_label
|
||||
ts lib_std_cond_jump_arg_0_label
|
||||
tlrc CORE_REG_PC
|
||||
.endmacro
|
||||
|
||||
.macro std_stop
|
||||
.std_rset CORE_REG_PC, 0xffff
|
||||
.endmacro
|
||||
|
||||
.macro std_inc, lib_std_inc_arg_0_reg
|
||||
.std_rset lib_std_inc_arg_0_reg, 1
|
||||
.std_alu CORE_ALU_ADD
|
||||
.endmacro
|
||||
|
|
@ -27,20 +27,15 @@ pub enum Arg {
|
|||
},
|
||||
}
|
||||
|
||||
impl assembler::ToAssembly for Arg {
|
||||
fn to_assembly(&self) -> String {
|
||||
impl assembler::ToCode for Arg {
|
||||
fn to_code(&self) -> String {
|
||||
match self {
|
||||
Arg::Char(x) => format!("'{}'", x),
|
||||
Arg::String(x) => format!("\"{}\"", x),
|
||||
Arg::Number(x) => x.to_string(),
|
||||
Arg::Variable(x) => x.clone(),
|
||||
Arg::BinaryExpression { left, right, op } => {
|
||||
format!(
|
||||
"({} {} {})",
|
||||
left.to_assembly(),
|
||||
op.to_assembly(),
|
||||
right.to_assembly()
|
||||
)
|
||||
format!("({} {} {})", left.to_code(), op.to_code(), right.to_code())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -199,8 +194,8 @@ pub enum BinaryExpressionOperator {
|
|||
Rnd,
|
||||
}
|
||||
|
||||
impl assembler::ToAssembly for BinaryExpressionOperator {
|
||||
fn to_assembly(&self) -> String {
|
||||
impl assembler::ToCode for BinaryExpressionOperator {
|
||||
fn to_code(&self) -> String {
|
||||
match self {
|
||||
BinaryExpressionOperator::Not => "~".to_string(),
|
||||
BinaryExpressionOperator::And => "&".to_string(),
|
||||
|
|
@ -11,8 +11,8 @@ use crate::arg;
|
|||
use crate::lexer;
|
||||
use crate::parser;
|
||||
|
||||
pub trait ToAssembly {
|
||||
fn to_assembly(&self) -> String;
|
||||
pub trait ToCode {
|
||||
fn to_code(&self) -> String;
|
||||
}
|
||||
|
||||
pub trait ByteResolvable<T> {
|
||||
|
|
@ -114,7 +114,7 @@ impl Data {
|
|||
parser::ast::Node::MacroCall { name, args } => match name.as_str() {
|
||||
"debug" => {
|
||||
for arg in args {
|
||||
let assembly = arg.to_assembly().replace('\n', "\\n");
|
||||
let assembly = arg.to_code().replace('\n', "\\n");
|
||||
let num = arg.resolve_number(self)?;
|
||||
let bytes = arg.resolve_bytes(self)?;
|
||||
|
||||
|
|
@ -356,7 +356,7 @@ impl Data {
|
|||
call_args = if args.is_empty() {
|
||||
"".to_string()
|
||||
} else {
|
||||
format!(" {}", args.iter().map(|a| a.to_assembly()).join(", "))
|
||||
format!(" {}", args.iter().map(|a| a.to_code()).join(", "))
|
||||
}
|
||||
);
|
||||
}
|
||||
|
|
@ -3,7 +3,7 @@ use itertools::Itertools;
|
|||
|
||||
use crate::assembler;
|
||||
|
||||
#[derive(Debug, PartialEq)]
|
||||
#[derive(Debug, PartialEq, Eq)]
|
||||
pub enum Token {
|
||||
Comment(String),
|
||||
|
||||
|
|
@ -47,8 +47,8 @@ pub enum Token {
|
|||
Whitespace(String),
|
||||
}
|
||||
|
||||
impl assembler::ToAssembly for Token {
|
||||
fn to_assembly(&self) -> String {
|
||||
impl assembler::ToCode for Token {
|
||||
fn to_code(&self) -> String {
|
||||
match self {
|
||||
Token::Comment(x) => format!(";{}", x),
|
||||
Token::CharLiteral(x) => format!("'{}'", x),
|
||||
|
|
@ -283,32 +283,29 @@ pub fn lex(source: String) -> Result<Vec<Token>> {
|
|||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use crate::assembler::ToAssembly;
|
||||
use crate::assembler::ToCode;
|
||||
|
||||
#[test]
|
||||
fn test_token_to_assembly() {
|
||||
assert_eq!(
|
||||
Token::Comment(" \"main function\" like definition macro".to_string()).to_assembly(),
|
||||
Token::Comment(" \"main function\" like definition macro".to_string()).to_code(),
|
||||
"; \"main function\" like definition macro".to_string()
|
||||
);
|
||||
assert_eq!(
|
||||
Token::CharLiteral("\\n".to_string()).to_assembly(),
|
||||
Token::CharLiteral("\\n".to_string()).to_code(),
|
||||
"'\\n'".to_string()
|
||||
);
|
||||
assert_eq!(
|
||||
Token::MacroLiteral("xyz".to_string()).to_assembly(),
|
||||
Token::MacroLiteral("xyz".to_string()).to_code(),
|
||||
"xyz".to_string()
|
||||
);
|
||||
assert_eq!(
|
||||
Token::Literal("xkcd".to_string()).to_assembly(),
|
||||
Token::Literal("xkcd".to_string()).to_code(),
|
||||
"xkcd".to_string()
|
||||
);
|
||||
assert_eq!(Token::Newline("\n".to_string()).to_code(), "\n".to_string());
|
||||
assert_eq!(
|
||||
Token::Newline("\n".to_string()).to_assembly(),
|
||||
"\n".to_string()
|
||||
);
|
||||
assert_eq!(
|
||||
Token::Whitespace(" ".to_string()).to_assembly(),
|
||||
Token::Whitespace(" ".to_string()).to_code(),
|
||||
" ".to_string()
|
||||
);
|
||||
}
|
||||
|
|
@ -8,7 +8,7 @@ pub mod ast;
|
|||
|
||||
pub fn parse(tokens: Vec<lexer::Token>) -> Result<ast::AST> {
|
||||
let mut iter = tokens.iter().peekable();
|
||||
let mut body: Vec<ast::Node> = Vec::new();
|
||||
let mut body: ast::Body = vec![];
|
||||
|
||||
while let Some(&token) = iter.peek() {
|
||||
match token {
|
||||
|
|
@ -11,14 +11,14 @@ pub enum Node {
|
|||
MacroCall { name: String, args: Vec<arg::Arg> },
|
||||
}
|
||||
|
||||
impl assembler::ToAssembly for Node {
|
||||
fn to_assembly(&self) -> String {
|
||||
impl assembler::ToCode for Node {
|
||||
fn to_code(&self) -> String {
|
||||
match self {
|
||||
Node::Comment(x) => format!("; {x}"),
|
||||
Node::Label(x) => format!("{x}:"),
|
||||
Node::Call { name, arg } => {
|
||||
if let Some(a) = arg {
|
||||
format!("{name} {arg}", arg = a.to_assembly())
|
||||
format!("{name} {arg}", arg = a.to_code())
|
||||
} else {
|
||||
name.clone()
|
||||
}
|
||||
|
|
@ -27,10 +27,7 @@ impl assembler::ToAssembly for Node {
|
|||
if args.is_empty() {
|
||||
format!(".{name}")
|
||||
} else {
|
||||
format!(
|
||||
".{name} {}",
|
||||
args.iter().map(|a| a.to_assembly()).join(", ")
|
||||
)
|
||||
format!(".{name} {}", args.iter().map(|a| a.to_code()).join(", "))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -44,8 +41,8 @@ pub struct AST {
|
|||
pub body: Vec<Node>,
|
||||
}
|
||||
|
||||
impl assembler::ToAssembly for AST {
|
||||
fn to_assembly(&self) -> String {
|
||||
self.body.iter().map(|n| n.to_assembly()).join("\n")
|
||||
impl assembler::ToCode for AST {
|
||||
fn to_code(&self) -> String {
|
||||
self.body.iter().map(|n| n.to_code()).join("\n")
|
||||
}
|
||||
}
|
||||
24
henceforth/Cargo.toml
Normal file
24
henceforth/Cargo.toml
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
[package]
|
||||
name = "henceforth"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
authors = ["Dominic Grimm <dominic@dergrimm.net>"]
|
||||
repository = "https://git.dergrimm.net/dergrimm/hence.git"
|
||||
|
||||
[lib]
|
||||
name = "henceforth"
|
||||
path = "src/lib/lib.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "henceforth"
|
||||
path = "src/bin/main.rs"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
hence = { path = "../hence" }
|
||||
clap = { version = "3.2.16", features = ["derive"] }
|
||||
anyhow = { version = "1.0.62", features = ["backtrace"] }
|
||||
itertools = "0.10.2"
|
||||
num-parse = "0.1.2"
|
||||
sailfish = "0.4.0"
|
||||
3
henceforth/examples/test.fth
Normal file
3
henceforth/examples/test.fth
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
40 2 + drop drop
|
||||
: test ( -- 42 ) 40 2 + ;
|
||||
test .
|
||||
74
henceforth/src/bin/main.rs
Normal file
74
henceforth/src/bin/main.rs
Normal file
|
|
@ -0,0 +1,74 @@
|
|||
use anyhow::Result;
|
||||
use clap::{Parser, Subcommand};
|
||||
use std::fs;
|
||||
|
||||
use henceforth::*;
|
||||
|
||||
#[derive(Debug, Parser)]
|
||||
#[clap(author, version, about, long_about = None)]
|
||||
struct Cli {
|
||||
#[clap(subcommand)]
|
||||
commands: Commands,
|
||||
}
|
||||
|
||||
#[derive(Debug, Subcommand)]
|
||||
enum Commands {
|
||||
#[clap(about = "Lexes source code and outputs tokens")]
|
||||
Lex {
|
||||
#[clap(value_parser)]
|
||||
src: String,
|
||||
},
|
||||
#[clap(about = "Parses source code and outputs AST")]
|
||||
Parse {
|
||||
#[clap(value_parser)]
|
||||
src: String,
|
||||
},
|
||||
#[clap(about = "Compiles assembly from source code")]
|
||||
Compile {
|
||||
#[clap(value_parser)]
|
||||
src: String,
|
||||
#[clap(value_parser)]
|
||||
out: Option<String>,
|
||||
#[clap(long, action)]
|
||||
dump: bool,
|
||||
},
|
||||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
let args = Cli::parse();
|
||||
match args.commands {
|
||||
Commands::Lex { src } => {
|
||||
let source = fs::read_to_string(src)?;
|
||||
let tokens = lexer::lex(source)?;
|
||||
dbg!(tokens);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Commands::Parse { src } => {
|
||||
let source = fs::read_to_string(src)?;
|
||||
let tokens = lexer::lex(source)?;
|
||||
let body = parser::parse(tokens)?;
|
||||
dbg!(body);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Commands::Compile { src, out, dump } => {
|
||||
let source = fs::read_to_string(&src)?;
|
||||
let tokens = lexer::lex(source)?;
|
||||
let ast = parser::parse(tokens)?;
|
||||
let assembly = compiler::compile(ast)?;
|
||||
|
||||
if let Some(x) = out {
|
||||
fs::write(x, &assembly)?;
|
||||
}
|
||||
if dump {
|
||||
println!("{}", assembly);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {}
|
||||
113
henceforth/src/lib/compiler.rs
Normal file
113
henceforth/src/lib/compiler.rs
Normal file
|
|
@ -0,0 +1,113 @@
|
|||
use std::collections::HashMap;
|
||||
|
||||
use anyhow::{bail, Result};
|
||||
use sailfish::TemplateOnce;
|
||||
|
||||
use crate::parser;
|
||||
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub enum Instruction {
|
||||
Push(u16),
|
||||
|
||||
Drop,
|
||||
Add,
|
||||
Sub,
|
||||
Dot,
|
||||
|
||||
Call(String),
|
||||
}
|
||||
|
||||
impl Instruction {
|
||||
pub fn from_word(word: &str) -> Option<Self> {
|
||||
match word {
|
||||
"drop" => Some(Instruction::Drop),
|
||||
"+" => Some(Instruction::Add),
|
||||
"-" => Some(Instruction::Sub),
|
||||
"." => Some(Instruction::Dot),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Word {
|
||||
id: u16,
|
||||
instructions: Vec<Instruction>,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Data {
|
||||
instructions: Vec<Instruction>,
|
||||
words: HashMap<String, Word>,
|
||||
}
|
||||
|
||||
impl Data {
|
||||
fn new() -> Self {
|
||||
Self {
|
||||
instructions: vec![],
|
||||
words: HashMap::new(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn generate_instructions(&mut self, body: parser::ast::Body) -> Result<()> {
|
||||
for node in body {
|
||||
match node {
|
||||
parser::ast::Node::Comment(_) => {}
|
||||
parser::ast::Node::String { mode, string } => {}
|
||||
parser::ast::Node::Number(x) => {
|
||||
self.instructions.push(Instruction::Push(x as u16));
|
||||
}
|
||||
parser::ast::Node::WordDefinition {
|
||||
name,
|
||||
stack: _,
|
||||
body,
|
||||
} => {
|
||||
if Instruction::from_word(&name).is_some() {
|
||||
bail!("Word already exists as compiler instruction: {}", name);
|
||||
} else if self.words.contains_key(&name) {
|
||||
bail!("Word already exists as user word definition: {}", name);
|
||||
}
|
||||
|
||||
let pre_instructions = self.instructions.clone();
|
||||
self.instructions.clear();
|
||||
self.generate_instructions(body)?;
|
||||
let instructions = self.instructions.clone();
|
||||
self.instructions = pre_instructions;
|
||||
|
||||
self.words.insert(
|
||||
name,
|
||||
Word {
|
||||
id: self.words.len() as u16,
|
||||
instructions,
|
||||
},
|
||||
);
|
||||
}
|
||||
parser::ast::Node::Word(x) => {
|
||||
if let Some(ins) = Instruction::from_word(&x) {
|
||||
self.instructions.push(ins);
|
||||
} else if self.words.contains_key(&x) {
|
||||
self.instructions.push(Instruction::Call(x));
|
||||
} else {
|
||||
bail!("Word does not exist: {}", x);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(TemplateOnce)]
|
||||
#[template(path = "assembly.asm")]
|
||||
pub struct Template {
|
||||
pub data: Data,
|
||||
}
|
||||
|
||||
pub fn compile(ast: parser::ast::AST) -> Result<String> {
|
||||
let mut data = Data::new();
|
||||
data.generate_instructions(ast.body)?;
|
||||
dbg!(&data);
|
||||
|
||||
Ok(Template { data }.render_once()?)
|
||||
}
|
||||
74
henceforth/src/lib/lexer.rs
Normal file
74
henceforth/src/lib/lexer.rs
Normal file
|
|
@ -0,0 +1,74 @@
|
|||
use anyhow::Result;
|
||||
use hence::assembler::ToCode;
|
||||
use itertools::Itertools;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Token {
|
||||
Newline(String),
|
||||
Whitespace(String),
|
||||
|
||||
ParenComment(String),
|
||||
BackslashComment(String),
|
||||
DoubleDashComment(String),
|
||||
|
||||
StringLiteral { mode: String, string: String },
|
||||
Number(String),
|
||||
Word(String),
|
||||
}
|
||||
|
||||
impl ToCode for Token {
|
||||
fn to_code(&self) -> String {
|
||||
match self {
|
||||
Token::Newline(x) | Token::Whitespace(x) => x.clone(),
|
||||
Token::ParenComment(x) => format!("( {})", x),
|
||||
Token::BackslashComment(x) => format!("\\{}", x),
|
||||
Token::DoubleDashComment(x) => format!("-- {}", x),
|
||||
Token::StringLiteral { mode, string } => format!("{}\" {}\"", mode, string),
|
||||
Token::Number(x) | Token::Word(x) => x.clone(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn is_space(c: char) -> bool {
|
||||
c.is_whitespace() || c == '\n'
|
||||
}
|
||||
|
||||
pub fn lex(source: String) -> Result<Vec<Token>> {
|
||||
let mut chars = source.chars().peekable();
|
||||
let mut tokens: Vec<Token> = vec![];
|
||||
|
||||
while let Some(&c) = chars.peek() {
|
||||
tokens.push(match c {
|
||||
'\n' => Token::Newline(chars.peeking_take_while(|&c| c == '\n').collect()),
|
||||
_ if c.is_whitespace() => {
|
||||
Token::Whitespace(chars.peeking_take_while(|&c| c.is_whitespace()).collect())
|
||||
}
|
||||
'\\' => {
|
||||
chars.next();
|
||||
Token::BackslashComment(chars.peeking_take_while(|&c| c != '\n').collect())
|
||||
}
|
||||
_ if c.is_numeric() => {
|
||||
Token::Number(chars.peeking_take_while(|&c| !is_space(c)).collect())
|
||||
}
|
||||
_ => {
|
||||
let x: String = chars.peeking_take_while(|&c| !is_space(c)).collect();
|
||||
|
||||
match x.as_str() {
|
||||
"(" => Token::ParenComment(
|
||||
chars.by_ref().skip(1).take_while(|&c| c != ')').collect(),
|
||||
),
|
||||
"--" => Token::DoubleDashComment(
|
||||
chars.by_ref().take_while(|&c| c != '\n').collect(),
|
||||
),
|
||||
_ if x.ends_with('"') => Token::StringLiteral {
|
||||
mode: x.chars().take(x.len() - 1).collect(),
|
||||
string: chars.by_ref().skip(1).take_while(|&c| c != '"').collect(),
|
||||
},
|
||||
_ => Token::Word(x),
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
Ok(tokens)
|
||||
}
|
||||
3
henceforth/src/lib/lib.rs
Normal file
3
henceforth/src/lib/lib.rs
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
pub mod compiler;
|
||||
pub mod lexer;
|
||||
pub mod parser;
|
||||
107
henceforth/src/lib/parser.rs
Normal file
107
henceforth/src/lib/parser.rs
Normal file
|
|
@ -0,0 +1,107 @@
|
|||
use anyhow::{bail, Result};
|
||||
use num_parse;
|
||||
|
||||
use crate::lexer;
|
||||
|
||||
pub mod ast;
|
||||
|
||||
fn process_raw_stack_result(s: Option<&str>) -> Vec<String> {
|
||||
match s {
|
||||
Some(x) if !x.trim().is_empty() => {
|
||||
x.split_whitespace().map(|x| x.trim().to_string()).collect()
|
||||
}
|
||||
_ => vec![],
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse_stack_result(s: String) -> ast::StackResult {
|
||||
let mut splitter = s.splitn(2, "--");
|
||||
|
||||
ast::StackResult {
|
||||
before: process_raw_stack_result(splitter.next()),
|
||||
after: process_raw_stack_result(splitter.next()),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse(tokens: Vec<lexer::Token>) -> Result<ast::AST> {
|
||||
let mut iter = tokens.into_iter().peekable();
|
||||
let mut body: ast::Body = vec![];
|
||||
|
||||
while let Some(token) = iter.next() {
|
||||
match token {
|
||||
lexer::Token::Newline(_) | lexer::Token::Whitespace(_) => {}
|
||||
lexer::Token::ParenComment(x)
|
||||
| lexer::Token::BackslashComment(x)
|
||||
| lexer::Token::DoubleDashComment(x) => {
|
||||
body.push(ast::Node::Comment(x.trim().to_string()));
|
||||
}
|
||||
lexer::Token::StringLiteral { mode, string } => {
|
||||
body.push(ast::Node::String { mode, string });
|
||||
}
|
||||
lexer::Token::Number(x) => match num_parse::parse_int::<i32>(x.as_str()) {
|
||||
Some(n) => {
|
||||
body.push(ast::Node::Number(n));
|
||||
}
|
||||
None => bail!("Invalid number: {}", x),
|
||||
},
|
||||
lexer::Token::Word(x) => match x.as_str() {
|
||||
":" => {
|
||||
let mut depth: usize = 1;
|
||||
let mut content = iter
|
||||
.by_ref()
|
||||
.take_while(|t| match t {
|
||||
lexer::Token::Word(x) => match x.as_str() {
|
||||
":" => {
|
||||
depth += 1;
|
||||
true
|
||||
}
|
||||
";" => {
|
||||
depth -= 1;
|
||||
depth != 0
|
||||
}
|
||||
_ => true,
|
||||
},
|
||||
_ => true,
|
||||
})
|
||||
.collect::<Vec<_>>()
|
||||
.into_iter();
|
||||
if depth != 0 {
|
||||
bail!("Unbalanced word definitions");
|
||||
}
|
||||
|
||||
let name = match content.find(|t| {
|
||||
!matches!(t, lexer::Token::Newline(_) | lexer::Token::Whitespace(_))
|
||||
}) {
|
||||
Some(t) => match t {
|
||||
lexer::Token::Word(x) => x.clone(),
|
||||
_ => bail!("Word definition name must be a word itself: {:?}", t),
|
||||
},
|
||||
None => bail!("Word definition can not be empty"),
|
||||
};
|
||||
let stack = match content.find(|t| {
|
||||
!matches!(t, lexer::Token::Newline(_) | lexer::Token::Whitespace(_))
|
||||
}) {
|
||||
Some(t) => match t {
|
||||
lexer::Token::ParenComment(x)
|
||||
| lexer::Token::BackslashComment(x)
|
||||
| lexer::Token::DoubleDashComment(x) => Some(parse_stack_result(x)),
|
||||
_ => None,
|
||||
},
|
||||
None => None,
|
||||
};
|
||||
|
||||
body.push(ast::Node::WordDefinition {
|
||||
name,
|
||||
stack,
|
||||
body: parse(content.collect())?.body,
|
||||
});
|
||||
}
|
||||
_ => {
|
||||
body.push(ast::Node::Word(x));
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
Ok(ast::AST { body })
|
||||
}
|
||||
75
henceforth/src/lib/parser/ast.rs
Normal file
75
henceforth/src/lib/parser/ast.rs
Normal file
|
|
@ -0,0 +1,75 @@
|
|||
use hence::assembler::ToCode;
|
||||
use itertools::Itertools;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct StackResult {
|
||||
pub before: Vec<String>,
|
||||
pub after: Vec<String>,
|
||||
}
|
||||
|
||||
impl ToCode for StackResult {
|
||||
fn to_code(&self) -> String {
|
||||
format!(
|
||||
"{}--{}",
|
||||
if self.before.is_empty() {
|
||||
"".to_string()
|
||||
} else {
|
||||
format!("{} ", self.before.join(" "))
|
||||
},
|
||||
if self.after.is_empty() {
|
||||
"".to_string()
|
||||
} else {
|
||||
format!("{} ", self.after.join(" "))
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Node {
|
||||
Comment(String),
|
||||
String {
|
||||
mode: String,
|
||||
string: String,
|
||||
},
|
||||
Number(i32),
|
||||
WordDefinition {
|
||||
name: String,
|
||||
stack: Option<StackResult>,
|
||||
body: Body,
|
||||
},
|
||||
Word(String),
|
||||
}
|
||||
|
||||
impl ToCode for Node {
|
||||
fn to_code(&self) -> String {
|
||||
match self {
|
||||
Node::Comment(x) => format!("\\ {}", x),
|
||||
Node::String { mode, string } => format!("{}\" {}\"", mode, string),
|
||||
Node::Number(x) => x.to_string(),
|
||||
Node::WordDefinition { name, stack, body } => format!(
|
||||
": {}{} {} ;",
|
||||
name,
|
||||
match stack {
|
||||
Some(x) => format!(" {}", x.to_code()),
|
||||
None => "".to_string(),
|
||||
},
|
||||
body.iter().map(|x| x.to_code()).join(" ")
|
||||
),
|
||||
Node::Word(x) => x.clone(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub type Body = Vec<Node>;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct AST {
|
||||
pub body: Body,
|
||||
}
|
||||
|
||||
impl ToCode for AST {
|
||||
fn to_code(&self) -> String {
|
||||
self.body.iter().map(|x| x.to_code()).join(" ")
|
||||
}
|
||||
}
|
||||
10
henceforth/templates/assembly.asm
Normal file
10
henceforth/templates/assembly.asm
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
.include "$lib/core.asm"
|
||||
.include "$lib/std.asm"
|
||||
.include "$lib/main.asm"
|
||||
|
||||
.jump_main
|
||||
|
||||
data:
|
||||
|
||||
.main
|
||||
.std_stop
|
||||
62
lib/std.asm
62
lib/std.asm
|
|
@ -1,62 +0,0 @@
|
|||
; hence standard lib
|
||||
|
||||
.requires "$lib/core.asm"
|
||||
|
||||
std:
|
||||
.macro std_tclr
|
||||
ts NULL
|
||||
.endmacro
|
||||
|
||||
.macro std_rclr, std_rclr_arg_0_reg
|
||||
ts NULL
|
||||
tlr std_rclr_arg_0_reg
|
||||
.endmacro
|
||||
|
||||
.macro std_alu, std_alu_arg_0_op
|
||||
ts std_alu_arg_0_op
|
||||
alu
|
||||
.endmacro
|
||||
|
||||
.macro std_get, std_get_arg_0_addr
|
||||
ts std_get_arg_0_addr
|
||||
get
|
||||
.endmacro
|
||||
|
||||
.macro std_set, std_set_arg_0_addr
|
||||
ts std_set_arg_0_addr
|
||||
set
|
||||
.endmacro
|
||||
|
||||
.macro std_cp, std_cp_arg_0_from, std_cp_arg_1_to
|
||||
tsr std_cp_arg_0_from
|
||||
tlr std_cp_arg_1_to
|
||||
.endmacro
|
||||
|
||||
.macro std_mv, std_mv_arg_0_from, std_cp_arg_1_to
|
||||
tsr std_cp_arg_0_from
|
||||
tlr std_cp_arg_1_to
|
||||
.std_rclr std_cp_arg_1_to
|
||||
.endmacro
|
||||
|
||||
.macro std_rset, std_init_arg_0_reg, std_init_arg_1_val
|
||||
ts std_init_arg_1_val
|
||||
tlr std_init_arg_0_reg
|
||||
.endmacro
|
||||
|
||||
.macro std_jump, std_jump_arg_0_label
|
||||
.std_rset CORE_REG_PC, std_jump_arg_0_label
|
||||
.endmacro
|
||||
|
||||
.macro std_cond_jump, std_cond_jump_arg_0_label
|
||||
ts std_cond_jump_arg_0_label
|
||||
tlrc CORE_REG_PC
|
||||
.endmacro
|
||||
|
||||
.macro std_stop
|
||||
.std_rset CORE_REG_PC, 0xffff
|
||||
.endmacro
|
||||
|
||||
.macro std_inc, std_inc_arg_0_reg
|
||||
.std_rset std_inc_arg_0_reg, 1
|
||||
.std_alu CORE_ALU_ADD
|
||||
.endmacro
|
||||
Loading…
Reference in a new issue