mirror of https://github.com/azur1s/bobbylisp.git
feat: project structure, some gen code
parent
cb6b35a2dc
commit
4879cc2ffc
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@ -2,6 +2,237 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "atty"
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version = "0.2.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
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dependencies = [
|
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"hermit-abi",
|
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"libc",
|
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"winapi",
|
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]
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|
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[[package]]
|
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
|
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|
||||
[[package]]
|
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name = "bitflags"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "clap"
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version = "3.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b63edc3f163b3c71ec8aa23f9bd6070f77edbf3d1d198b164afa90ff00e4ec62"
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dependencies = [
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"atty",
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"bitflags",
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"clap_derive",
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"indexmap",
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"lazy_static",
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"os_str_bytes",
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"strsim",
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"termcolor",
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"textwrap",
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]
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[[package]]
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name = "clap_derive"
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version = "3.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9a1132dc3944b31c20dd8b906b3a9f0a5d0243e092d59171414969657ac6aa85"
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dependencies = [
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"heck",
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"proc-macro-error",
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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 = "hashbrown"
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version = "0.11.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
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[[package]]
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name = "heck"
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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 = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
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[[package]]
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name = "hermit-abi"
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version = "0.1.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "indexmap"
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version = "1.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
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dependencies = [
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"autocfg",
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"hashbrown",
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]
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "libc"
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version = "0.2.117"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
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[[package]]
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name = "memchr"
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version = "2.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
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[[package]]
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name = "os_str_bytes"
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version = "6.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "proc-macro-error"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
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dependencies = [
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"proc-macro-error-attr",
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"proc-macro2",
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"quote",
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"syn",
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"version_check",
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]
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[[package]]
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name = "proc-macro-error-attr"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
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dependencies = [
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"proc-macro2",
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"quote",
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"version_check",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.36"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
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dependencies = [
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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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version = "1.0.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "strsim"
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version = "0.10.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
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[[package]]
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name = "syn"
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version = "1.0.86"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-xid",
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]
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[[package]]
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name = "termcolor"
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version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
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dependencies = [
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"winapi-util",
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]
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[[package]]
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name = "textwrap"
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version = "0.14.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0066c8d12af8b5acd21e00547c3797fde4e8677254a7ee429176ccebbe93dd80"
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[[package]]
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name = "unicode-xid"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
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[[package]]
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name = "version_check"
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version = "0.9.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
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[[package]]
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name = "vyc"
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version = "0.1.0"
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dependencies = [
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"clap",
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]
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[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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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 = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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[[package]]
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name = "winapi-util"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
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dependencies = [
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"winapi",
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]
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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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 = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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@ -6,3 +6,4 @@ edition = "2021"
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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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clap = { version = "3.0.14", features = ["derive"] }
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@ -0,0 +1 @@
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(def number 1)
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@ -1,3 +1,2 @@
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(print '(Hello, World!))
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(print (format "Hello" (format "World")))
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)
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(def message str "Hello, World")
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(print message)
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@ -0,0 +1,27 @@
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use std::path::PathBuf;
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use clap::{ Parser, Subcommand };
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const VERSION: &str = env!("CARGO_PKG_VERSION");
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/// Vy language compiler.
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#[derive(Parser, Debug)]
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#[clap(
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version = VERSION,
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long_about = None)]
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pub struct Args {
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#[clap(subcommand)]
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pub options: Options,
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}
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#[derive(Subcommand, Debug)]
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pub enum Options {
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#[clap(about = "Compile a file.")]
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Compile {
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/// The input file to compile.
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#[clap(parse(from_os_str))]
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input: PathBuf,
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/// Print parsed AST and exit (for debugging).
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#[clap(short, long)]
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ast: bool,
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},
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}
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@ -0,0 +1 @@
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pub mod parser;
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@ -175,6 +175,12 @@ impl ParseError {
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pub fn at(&self, src: &str) -> String {
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let snip = &src[(self.pos.0.saturating_sub(5))..(if self.pos.0 + 5 > src.len() { src.len() } else { self.pos.0 + 5 })];
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format!("\n{}..{}\n{}\nError: {} at {}", " ".repeat(3), snip, format!("{}^", " ".repeat(10)), self.kind, self.pos.0)
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// Example:
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//
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// .."))) ) (pr
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// ^
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// Error: Unexpected ')' at 67
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}
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}
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100
src/main.rs
100
src/main.rs
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@ -1,70 +1,44 @@
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use std::{process::exit, fs::read_to_string};
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use std::fs::read_to_string;
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use clap::Parser;
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pub mod parser;
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pub mod compile;
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/// Arguments handler.
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pub mod args;
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use args::{ Args, Options };
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const EXECUTABLE_NAME: &str = env!("CARGO_PKG_NAME");
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const HELP_MESSAGE: &str = "\
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-h, --help
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Print this help message and exit.
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-v, --version
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Print version information and exit.
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-c FILE, --compile FILE
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Compile the given file and exit.\
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";
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/// A front-end for the compiler.
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/// Contains parser and tokenizer.
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/// TODO: Semantic analysis and Type checking.
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pub mod front;
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use front::parser::parse;
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/// A middle-end for the compiler.
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/// Contains instructions generator.
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pub mod middle;
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use middle::gen::generate_instructions;
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fn main() {
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let args = std::env::args().collect::<Vec<String>>();
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let mut args_index: usize = 0;
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match args.len() {
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// No argument provided
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1 => {
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println!("No argument provided.");
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display_help(1);
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},
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_ => {
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while args.len() > args_index {
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let arg: &str = &args[args_index];
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match arg {
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"-h" | "--help" => { display_help(0); },
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"-v" | "--version" => {
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println!("{} version {}", EXECUTABLE_NAME, env!("CARGO_PKG_VERSION"));
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exit(0);
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},
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"-c" | "--compile" => {
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args_index += 1;
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if args_index < args.len() {
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let file_path: &str = &args[args_index];
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let file_content: String = read_to_string(file_path).unwrap();
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// Used for error reporting
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let file_content_joined: String = file_content.split("\n").collect::<Vec<&str>>().join(" ");
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let parsed = parser::parse(&file_content);
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let mut ast = Vec::new();
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for node in parsed {
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match node {
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Ok(node) => { ast.push(node); },
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Err(error) => {
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eprintln!("{}", error.at(&file_content_joined));
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exit(1);
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}
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}
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}
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println!("{:#?}", ast);
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} else {
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println!("No file provided.");
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display_help(1);
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let args = Args::parse();
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match args.options {
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Options::Compile { input, ast } => {
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let code = read_to_string(input).unwrap();
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let tree = parse(&code);
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match ast {
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true => for node in tree { println!("{:#?}", node) },
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false => {
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let mut checked_tree = Vec::new();
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for node in tree {
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match node {
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Ok(node) => checked_tree.push(node),
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Err(err) => println!("{:?}", err),
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}
|
||||
}
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_ => { args_index += 1; }
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}
|
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}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
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||||
fn display_help(exit_code: i32) {
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println!("Usage: {} [OPTIONS]", EXECUTABLE_NAME);
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println!("{}", HELP_MESSAGE);
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exit(exit_code);
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let instructions = generate_instructions(checked_tree.into_iter());
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for instruction in instructions {
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println!("{:#?}", instruction);
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}
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},
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}
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},
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}
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}
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@ -0,0 +1,56 @@
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use std::borrow::Borrow;
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use crate::front::parser::Value;
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use super::instr::Instructions;
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pub fn generate_instructions(ast: impl Iterator<Item = (Value, (usize, usize))>) -> Vec<Instructions> {
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let mut instructions: Vec<Instructions> = Vec::new();
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for (value, _) in ast {
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match value {
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||||
Value::List(car, cdr) => {
|
||||
match &*car.borrow() {
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||||
Value::Symbol(ref function_name) => {
|
||||
match function_name.as_str() {
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"def" => {
|
||||
let name: Box<str> = match &cdr[0].borrow() {
|
||||
Value::Symbol(name) => name.clone().into(),
|
||||
_ => panic!("Expected symbol as first argument of define"),
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||||
};
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||||
match &cdr[1].borrow() {
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Value::Int(value) => instructions.push(Instructions::Store {
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||||
value: Value::Int(*value),
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name,
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}),
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Value::Float(value) => instructions.push(Instructions::Store {
|
||||
value: Value::Float(*value),
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name,
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}),
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Value::String(value) => instructions.push(Instructions::Store {
|
||||
value: Value::String(value.clone()),
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||||
name,
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||||
}),
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||||
_ => todo!(),
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||||
};
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},
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_ => {
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dbg!(function_name);
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||||
todo!();
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||||
}
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||||
} // --- End match `function_name` ---
|
||||
},
|
||||
_ => {
|
||||
dbg!(car);
|
||||
todo!();
|
||||
}
|
||||
} // --- End match `car` ---
|
||||
}
|
||||
_ => {
|
||||
dbg!(value);
|
||||
todo!();
|
||||
}
|
||||
} // --- End match `value` ---
|
||||
}
|
||||
|
||||
instructions
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
use crate::front::parser::Value;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum Instructions {
|
||||
Store { value: Value, name: Box<str> },
|
||||
Push { value: Value },
|
||||
}
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
pub mod instr;
|
||||
pub mod gen;
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
use crate::token::Expr::{self, List};
|
||||
|
||||
pub fn cover_paren(s: String) -> String {
|
||||
format!("({})", s)
|
||||
}
|
||||
|
||||
pub fn unescape(s: String) -> String {
|
||||
let mut result = String::new();
|
||||
let mut i = 0;
|
||||
while i < s.len() {
|
||||
if s.chars().nth(i).unwrap() == '\\' {
|
||||
match s.chars().nth(i + 1).unwrap() {
|
||||
'n' => result.push('\n'),
|
||||
't' => result.push('\t'),
|
||||
'r' => result.push('\r'),
|
||||
'\\' => result.push('\\'),
|
||||
'"' => result.push('"'),
|
||||
_ => result.push(s.chars().nth(i + 1).unwrap()),
|
||||
}
|
||||
i += 2;
|
||||
} else {
|
||||
result.push(s.chars().nth(i).unwrap());
|
||||
i += 1;
|
||||
}
|
||||
}
|
||||
result
|
||||
}
|
||||
|
||||
pub fn unwrap_list_nest(ast: Expr) -> Vec<Expr> {
|
||||
let mut result: Vec<Expr> = Vec::new();
|
||||
|
||||
match ast.clone() {
|
||||
List(l, _) => {
|
||||
for expr in l.iter() {
|
||||
|
||||
result.push(expr.clone());
|
||||
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
// This probably will not happen because everything is wrapped
|
||||
// in list. So it would be impossible that the ast is not a list.
|
||||
eprintln!("Possibly a bug in the compiler, you shouln't get this messages.");
|
||||
dbg!(ast);
|
||||
}
|
||||
};
|
||||
|
||||
result
|
||||
}
|
||||
Loading…
Reference in New Issue