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|
||||
checksum = "9109e19fbfac3458f2970189719fa19f1007c6fd4e08c44fdebf4be0ddbe261d"
|
||||
checksum = "15d9c00ce56221b2150e2d4d51887ff139fce5a0e50346c744861d1e66d2f7c4"
|
||||
dependencies = [
|
||||
"cc",
|
||||
"lazy_static",
|
||||
|
|
@ -423,34 +357,35 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "lock_api"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"scopeguard",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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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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|
||||
"cfg-if 0.1.10",
|
||||
"cfg-if",
|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"codespan-reporting",
|
||||
"inkwell",
|
||||
"num-bigint",
|
||||
"num-bigint 0.3.2",
|
||||
"num-traits",
|
||||
"rustpython-parser",
|
||||
]
|
||||
|
|
@ -482,9 +417,20 @@ checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
|
|||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"autocfg",
|
||||
"num-integer",
|
||||
"num-traits",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-bigint"
|
||||
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|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"autocfg",
|
||||
"num-integer",
|
||||
|
|
@ -512,15 +458,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "once_cell"
|
||||
version = "1.5.2"
|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
name = "parking_lot"
|
||||
|
|
@ -535,11 +475,11 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "parking_lot_core"
|
||||
version = "0.8.1"
|
||||
version = "0.8.3"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"cfg-if 1.0.0",
|
||||
"cfg-if",
|
||||
"instant",
|
||||
"libc",
|
||||
"redox_syscall",
|
||||
|
|
@ -576,6 +516,41 @@ dependencies = [
|
|||
"indexmap",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"phf_macros",
|
||||
"phf_shared",
|
||||
"proc-macro-hack",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_generator"
|
||||
version = "0.8.0"
|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"phf_shared",
|
||||
"rand",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_macros"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7f6fde18ff429ffc8fe78e2bf7f8b7a5a5a6e2a8b58bc5a9ac69198bbda9189c"
|
||||
dependencies = [
|
||||
"phf_generator",
|
||||
"phf_shared",
|
||||
"proc-macro-hack",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_shared"
|
||||
version = "0.8.0"
|
||||
|
|
@ -585,6 +560,18 @@ dependencies = [
|
|||
"siphasher",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "pico-args"
|
||||
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|
||||
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||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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||||
|
|
@ -599,9 +586,9 @@ checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
|
|||
|
||||
[[package]]
|
||||
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|
||||
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|
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|
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||||
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||||
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|
||||
"unicode-xid",
|
||||
]
|
||||
|
|
@ -646,84 +633,132 @@ dependencies = [
|
|||
|
||||
[[package]]
|
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|
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|
||||
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|
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|
||||
|
||||
[[package]]
|
||||
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||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
"libc",
|
||||
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||||
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|
||||
"rand_hc",
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||||
"rand_pcg",
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|
||||
|
||||
[[package]]
|
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||||
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||||
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|
||||
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||||
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||||
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|
||||
|
||||
[[package]]
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||||
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|
||||
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|
||||
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|
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|
||||
[[package]]
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||||
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||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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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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|
||||
|
||||
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|
||||
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|
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|
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|
||||
|
||||
[[package]]
|
||||
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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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|
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|
||||
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|
||||
|
||||
[[package]]
|
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|
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|
||||
[[package]]
|
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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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|
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|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"num-bigint",
|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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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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|
||||
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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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|
||||
"unic-emoji-char",
|
||||
"unic-ucd-ident",
|
||||
"unicode_names2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
name = "scopeguard"
|
||||
version = "1.1.0"
|
||||
|
|
@ -745,49 +780,17 @@ version = "0.7.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"serde_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
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|
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|
||||
dependencies = [
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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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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|
||||
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|
||||
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|
||||
]
|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
name = "string_cache"
|
||||
|
|
@ -799,20 +802,13 @@ dependencies = [
|
|||
"new_debug_unreachable",
|
||||
"phf_shared",
|
||||
"precomputed-hash",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.9.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.54"
|
||||
version = "1.0.73"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9a2af957a63d6bd42255c359c93d9bfdb97076bd3b820897ce55ffbfbf107f44"
|
||||
checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
|
|
@ -821,29 +817,32 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "term"
|
||||
version = "0.5.2"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "edd106a334b7657c10b7c540a0106114feadeb4dc314513e97df481d5d966f42"
|
||||
checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
|
||||
dependencies = [
|
||||
"byteorder",
|
||||
"dirs",
|
||||
"dirs-next",
|
||||
"rustversion",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "1.0.1"
|
||||
name = "termcolor"
|
||||
version = "1.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
|
||||
checksum = "2dfed899f0eb03f32ee8c6a0aabdb8a7949659e3466561fc0adf54e26d88c5f4"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "typenum"
|
||||
version = "1.12.0"
|
||||
name = "tiny-keccak"
|
||||
version = "2.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
|
||||
checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
|
||||
dependencies = [
|
||||
"crunchy",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unic-char-property"
|
||||
|
|
@ -898,10 +897,16 @@ dependencies = [
|
|||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.1"
|
||||
name = "unicode-width"
|
||||
version = "0.1.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||
checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
|
||||
|
||||
[[package]]
|
||||
name = "unicode_names2"
|
||||
|
|
@ -915,12 +920,24 @@ version = "0.1.7"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f14ee04d9415b52b3aeab06258a3f07093182b88ba0f9b8d203f211a7a7d41c7"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.9.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.10.2+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
|
|
@ -937,6 +954,15 @@ version = "0.4.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-util"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
|
||||
dependencies = [
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
|
|
|
|||
|
|
@ -9,3 +9,5 @@ num-bigint = "0.3"
|
|||
num-traits = "0.2"
|
||||
inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm10-0"] }
|
||||
rustpython-parser = { git = "https://github.com/RustPython/RustPython", branch = "master" }
|
||||
codespan-reporting = "0.11.1"
|
||||
|
||||
|
|
|
|||
|
|
@ -1,922 +0,0 @@
|
|||
use crate::context::InferenceContext;
|
||||
use crate::inference_core::resolve_call;
|
||||
use crate::magic_methods::*;
|
||||
use crate::primitives::*;
|
||||
use crate::typedef::{Type, TypeEnum::*};
|
||||
use rustpython_parser::ast::{
|
||||
Comparison, Comprehension, ComprehensionKind, Expression, ExpressionType, Operator,
|
||||
UnaryOperator,
|
||||
};
|
||||
use std::convert::TryInto;
|
||||
|
||||
type ParserResult = Result<Option<Type>, String>;
|
||||
|
||||
pub fn infer_expr<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
expr: &'b Expression,
|
||||
) -> ParserResult {
|
||||
match &expr.node {
|
||||
ExpressionType::Number { value } => infer_constant(ctx, value),
|
||||
ExpressionType::Identifier { name } => infer_identifier(ctx, name),
|
||||
ExpressionType::List { elements } => infer_list(ctx, elements),
|
||||
ExpressionType::Tuple { elements } => infer_tuple(ctx, elements),
|
||||
ExpressionType::Attribute { value, name } => infer_attribute(ctx, value, name),
|
||||
ExpressionType::BoolOp { values, .. } => infer_bool_ops(ctx, values),
|
||||
ExpressionType::Binop { a, b, op } => infer_bin_ops(ctx, op, a, b),
|
||||
ExpressionType::Unop { op, a } => infer_unary_ops(ctx, op, a),
|
||||
ExpressionType::Compare { vals, ops } => infer_compare(ctx, vals, ops),
|
||||
ExpressionType::Call {
|
||||
args,
|
||||
function,
|
||||
keywords,
|
||||
} => {
|
||||
if !keywords.is_empty() {
|
||||
Err("keyword is not supported".into())
|
||||
} else {
|
||||
infer_call(ctx, &args, &function)
|
||||
}
|
||||
}
|
||||
ExpressionType::Subscript { a, b } => infer_subscript(ctx, a, b),
|
||||
ExpressionType::IfExpression { test, body, orelse } => {
|
||||
infer_if_expr(ctx, &test, &body, orelse)
|
||||
}
|
||||
ExpressionType::Comprehension { kind, generators } => match kind.as_ref() {
|
||||
ComprehensionKind::List { element } => {
|
||||
if generators.len() == 1 {
|
||||
infer_list_comprehension(ctx, element, &generators[0])
|
||||
} else {
|
||||
Err("only 1 generator statement is supported".into())
|
||||
}
|
||||
}
|
||||
_ => Err("only list comprehension is supported".into()),
|
||||
},
|
||||
ExpressionType::True | ExpressionType::False => Ok(Some(ctx.get_primitive(BOOL_TYPE))),
|
||||
_ => Err("not supported".into()),
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_constant(
|
||||
ctx: &mut InferenceContext,
|
||||
value: &rustpython_parser::ast::Number,
|
||||
) -> ParserResult {
|
||||
use rustpython_parser::ast::Number;
|
||||
match value {
|
||||
Number::Integer { value } => {
|
||||
let int32: Result<i32, _> = value.try_into();
|
||||
if int32.is_ok() {
|
||||
Ok(Some(ctx.get_primitive(INT32_TYPE)))
|
||||
} else {
|
||||
Err("integer out of range".into())
|
||||
}
|
||||
}
|
||||
Number::Float { .. } => Ok(Some(ctx.get_primitive(FLOAT_TYPE))),
|
||||
_ => Err("not supported".into()),
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_identifier(ctx: &mut InferenceContext, name: &str) -> ParserResult {
|
||||
Ok(Some(ctx.resolve(name)?))
|
||||
}
|
||||
|
||||
fn infer_list<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
elements: &'b [Expression],
|
||||
) -> ParserResult {
|
||||
if elements.is_empty() {
|
||||
return Ok(Some(ParametricType(LIST_TYPE, vec![BotType.into()]).into()));
|
||||
}
|
||||
|
||||
let mut types = elements.iter().map(|v| infer_expr(ctx, v));
|
||||
|
||||
let head = types.next().unwrap()?;
|
||||
if head.is_none() {
|
||||
return Err("list elements must have some type".into());
|
||||
}
|
||||
for v in types {
|
||||
// TODO: try virtual type...
|
||||
if v? != head {
|
||||
return Err("inhomogeneous list is not allowed".into());
|
||||
}
|
||||
}
|
||||
Ok(Some(ParametricType(LIST_TYPE, vec![head.unwrap()]).into()))
|
||||
}
|
||||
|
||||
fn infer_tuple<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
elements: &'b [Expression],
|
||||
) -> ParserResult {
|
||||
let types: Result<Option<Vec<_>>, String> =
|
||||
elements.iter().map(|v| infer_expr(ctx, v)).collect();
|
||||
if let Some(t) = types? {
|
||||
Ok(Some(ParametricType(TUPLE_TYPE, t).into()))
|
||||
} else {
|
||||
Err("tuple elements must have some type".into())
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_attribute<'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
value: &'a Expression,
|
||||
name: &str,
|
||||
) -> ParserResult {
|
||||
let value = infer_expr(ctx, value)?.ok_or_else(|| "no value".to_string())?;
|
||||
if let TypeVariable(_) = value.as_ref() {
|
||||
return Err("no fields for type variable".into());
|
||||
}
|
||||
|
||||
value
|
||||
.get_base(ctx)
|
||||
.and_then(|b| b.fields.get(name).cloned())
|
||||
.map_or_else(|| Err("no such field".to_string()), |v| Ok(Some(v)))
|
||||
}
|
||||
|
||||
fn infer_bool_ops<'a>(ctx: &mut InferenceContext<'a>, values: &'a [Expression]) -> ParserResult {
|
||||
assert_eq!(values.len(), 2);
|
||||
let left = infer_expr(ctx, &values[0])?.ok_or_else(|| "no value".to_string())?;
|
||||
let right = infer_expr(ctx, &values[1])?.ok_or_else(|| "no value".to_string())?;
|
||||
|
||||
let b = ctx.get_primitive(BOOL_TYPE);
|
||||
if left == b && right == b {
|
||||
Ok(Some(b))
|
||||
} else {
|
||||
Err("bool operands must be bool".into())
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_bin_ops<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
op: &Operator,
|
||||
left: &'b Expression,
|
||||
right: &'b Expression,
|
||||
) -> ParserResult {
|
||||
let left = infer_expr(ctx, left)?.ok_or_else(|| "no value".to_string())?;
|
||||
let right = infer_expr(ctx, right)?.ok_or_else(|| "no value".to_string())?;
|
||||
let fun = binop_name(op);
|
||||
resolve_call(ctx, Some(left), fun, &[right])
|
||||
}
|
||||
|
||||
fn infer_unary_ops<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
op: &UnaryOperator,
|
||||
obj: &'b Expression,
|
||||
) -> ParserResult {
|
||||
let ty = infer_expr(ctx, obj)?.ok_or_else(|| "no value".to_string())?;
|
||||
if let UnaryOperator::Not = op {
|
||||
if ty == ctx.get_primitive(BOOL_TYPE) {
|
||||
Ok(Some(ty))
|
||||
} else {
|
||||
Err("logical not must be applied to bool".into())
|
||||
}
|
||||
} else {
|
||||
resolve_call(ctx, Some(ty), unaryop_name(op), &[])
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_compare<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
vals: &'b [Expression],
|
||||
ops: &'b [Comparison],
|
||||
) -> ParserResult {
|
||||
let types: Result<Option<Vec<_>>, _> = vals.iter().map(|v| infer_expr(ctx, v)).collect();
|
||||
let types = types?;
|
||||
if types.is_none() {
|
||||
return Err("comparison operands must have type".into());
|
||||
}
|
||||
let types = types.unwrap();
|
||||
let boolean = ctx.get_primitive(BOOL_TYPE);
|
||||
let left = &types[..types.len() - 1];
|
||||
let right = &types[1..];
|
||||
|
||||
for ((a, b), op) in left.iter().zip(right.iter()).zip(ops.iter()) {
|
||||
let fun = comparison_name(op).ok_or_else(|| "unsupported comparison".to_string())?;
|
||||
let ty = resolve_call(ctx, Some(a.clone()), fun, &[b.clone()])?;
|
||||
if ty.is_none() || ty.unwrap() != boolean {
|
||||
return Err("comparison result must be boolean".into());
|
||||
}
|
||||
}
|
||||
Ok(Some(boolean))
|
||||
}
|
||||
|
||||
fn infer_call<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
args: &'b [Expression],
|
||||
function: &'b Expression,
|
||||
) -> ParserResult {
|
||||
// TODO: special handling for int64 constant
|
||||
let types: Result<Option<Vec<_>>, _> = args.iter().map(|v| infer_expr(ctx, v)).collect();
|
||||
let types = types?;
|
||||
if types.is_none() {
|
||||
return Err("function params must have type".into());
|
||||
}
|
||||
|
||||
let (obj, fun) = match &function.node {
|
||||
ExpressionType::Identifier { name } => (None, name),
|
||||
ExpressionType::Attribute { value, name } => (
|
||||
Some(infer_expr(ctx, &value)?.ok_or_else(|| "no value".to_string())?),
|
||||
name,
|
||||
),
|
||||
_ => return Err("not supported".into()),
|
||||
};
|
||||
resolve_call(ctx, obj, fun.as_str(), &types.unwrap())
|
||||
}
|
||||
|
||||
fn infer_subscript<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
a: &'b Expression,
|
||||
b: &'b Expression,
|
||||
) -> ParserResult {
|
||||
let a = infer_expr(ctx, a)?.ok_or_else(|| "no value".to_string())?;
|
||||
let t = if let ParametricType(LIST_TYPE, ls) = a.as_ref() {
|
||||
ls[0].clone()
|
||||
} else {
|
||||
return Err("subscript is not supported for types other than list".into());
|
||||
};
|
||||
|
||||
match &b.node {
|
||||
ExpressionType::Slice { elements } => {
|
||||
let int32 = ctx.get_primitive(INT32_TYPE);
|
||||
let types: Result<Option<Vec<_>>, _> = elements
|
||||
.iter()
|
||||
.map(|v| {
|
||||
if let ExpressionType::None = v.node {
|
||||
Ok(Some(int32.clone()))
|
||||
} else {
|
||||
infer_expr(ctx, v)
|
||||
}
|
||||
})
|
||||
.collect();
|
||||
let types = types?.ok_or_else(|| "slice must have type".to_string())?;
|
||||
if types.iter().all(|v| v == &int32) {
|
||||
Ok(Some(a))
|
||||
} else {
|
||||
Err("slice must be int32 type".into())
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
let b = infer_expr(ctx, b)?.ok_or_else(|| "no value".to_string())?;
|
||||
if b == ctx.get_primitive(INT32_TYPE) {
|
||||
Ok(Some(t))
|
||||
} else {
|
||||
Err("index must be either slice or int32".into())
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_if_expr<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
test: &'b Expression,
|
||||
body: &'b Expression,
|
||||
orelse: &'b Expression,
|
||||
) -> ParserResult {
|
||||
let test = infer_expr(ctx, test)?.ok_or_else(|| "no value".to_string())?;
|
||||
if test != ctx.get_primitive(BOOL_TYPE) {
|
||||
return Err("test should be bool".into());
|
||||
}
|
||||
|
||||
let body = infer_expr(ctx, body)?;
|
||||
let orelse = infer_expr(ctx, orelse)?;
|
||||
if body.as_ref() == orelse.as_ref() {
|
||||
Ok(body)
|
||||
} else {
|
||||
Err("divergent type".into())
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_simple_binding<'a: 'b, 'b>(
|
||||
ctx: &mut InferenceContext<'b>,
|
||||
name: &'a Expression,
|
||||
ty: Type,
|
||||
) -> Result<(), String> {
|
||||
match &name.node {
|
||||
ExpressionType::Identifier { name } => {
|
||||
if name == "_" {
|
||||
Ok(())
|
||||
} else if ctx.defined(name.as_str()) {
|
||||
Err("duplicated naming".into())
|
||||
} else {
|
||||
ctx.assign(name.as_str(), ty)?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
ExpressionType::Tuple { elements } => {
|
||||
if let ParametricType(TUPLE_TYPE, ls) = ty.as_ref() {
|
||||
if elements.len() == ls.len() {
|
||||
for (a, b) in elements.iter().zip(ls.iter()) {
|
||||
infer_simple_binding(ctx, a, b.clone())?;
|
||||
}
|
||||
Ok(())
|
||||
} else {
|
||||
Err("different length".into())
|
||||
}
|
||||
} else {
|
||||
Err("not supported".into())
|
||||
}
|
||||
}
|
||||
_ => Err("not supported".into()),
|
||||
}
|
||||
}
|
||||
|
||||
fn infer_list_comprehension<'b: 'a, 'a>(
|
||||
ctx: &mut InferenceContext<'a>,
|
||||
element: &'b Expression,
|
||||
comprehension: &'b Comprehension,
|
||||
) -> ParserResult {
|
||||
if comprehension.is_async {
|
||||
return Err("async is not supported".into());
|
||||
}
|
||||
|
||||
let iter = infer_expr(ctx, &comprehension.iter)?.ok_or_else(|| "no value".to_string())?;
|
||||
if let ParametricType(LIST_TYPE, ls) = iter.as_ref() {
|
||||
ctx.with_scope(|ctx| {
|
||||
infer_simple_binding(ctx, &comprehension.target, ls[0].clone())?;
|
||||
|
||||
let boolean = ctx.get_primitive(BOOL_TYPE);
|
||||
for test in comprehension.ifs.iter() {
|
||||
let result =
|
||||
infer_expr(ctx, test)?.ok_or_else(|| "no value in test".to_string())?;
|
||||
if result != boolean {
|
||||
return Err("test must be bool".into());
|
||||
}
|
||||
}
|
||||
let result = infer_expr(ctx, element)?.ok_or_else(|| "no value")?;
|
||||
Ok(Some(ParametricType(LIST_TYPE, vec![result]).into()))
|
||||
})
|
||||
.1
|
||||
} else {
|
||||
Err("iteration is supported for list only".into())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod test {
|
||||
use super::*;
|
||||
use crate::context::*;
|
||||
use crate::typedef::*;
|
||||
use rustpython_parser::parser::parse_expression;
|
||||
use std::collections::HashMap;
|
||||
use std::rc::Rc;
|
||||
|
||||
fn get_inference_context(ctx: TopLevelContext) -> InferenceContext {
|
||||
InferenceContext::new(ctx, Box::new(|_| Err("unbounded identifier".into())))
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_constants() {
|
||||
let ctx = basic_ctx();
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
|
||||
let ast = parse_expression("123").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("2147483647").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("2147483648").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("integer out of range".into()));
|
||||
//
|
||||
// let ast = parse_expression("2147483648").unwrap();
|
||||
// let result = infer_expr(&mut ctx, &ast);
|
||||
// assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT64_TYPE));
|
||||
|
||||
// let ast = parse_expression("9223372036854775807").unwrap();
|
||||
// let result = infer_expr(&mut ctx, &ast);
|
||||
// assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT64_TYPE));
|
||||
|
||||
// let ast = parse_expression("9223372036854775808").unwrap();
|
||||
// let result = infer_expr(&mut ctx, &ast);
|
||||
// assert_eq!(result, Err("integer out of range".into()));
|
||||
|
||||
let ast = parse_expression("123.456").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(FLOAT_TYPE));
|
||||
|
||||
let ast = parse_expression("True").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(BOOL_TYPE));
|
||||
|
||||
let ast = parse_expression("False").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(BOOL_TYPE));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_identifier() {
|
||||
let ctx = basic_ctx();
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("abc", ctx.get_primitive(INT32_TYPE)).unwrap();
|
||||
|
||||
let ast = parse_expression("abc").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("ab").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("unbounded identifier".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_list() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"foo",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("abc", ctx.get_primitive(INT32_TYPE)).unwrap();
|
||||
// def is reserved...
|
||||
ctx.assign("efg", ctx.get_primitive(INT32_TYPE)).unwrap();
|
||||
ctx.assign("xyz", ctx.get_primitive(FLOAT_TYPE)).unwrap();
|
||||
|
||||
let ast = parse_expression("[]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(LIST_TYPE, vec![BotType.into()]).into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("[abc]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(LIST_TYPE, vec![ctx.get_primitive(INT32_TYPE)]).into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("[abc, efg]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(LIST_TYPE, vec![ctx.get_primitive(INT32_TYPE)]).into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("[abc, efg, xyz]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("inhomogeneous list is not allowed".into()));
|
||||
|
||||
let ast = parse_expression("[foo()]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("list elements must have some type".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_tuple() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"foo",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("abc", ctx.get_primitive(INT32_TYPE)).unwrap();
|
||||
ctx.assign("efg", ctx.get_primitive(FLOAT_TYPE)).unwrap();
|
||||
|
||||
let ast = parse_expression("(abc, efg)").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(
|
||||
TUPLE_TYPE,
|
||||
vec![ctx.get_primitive(INT32_TYPE), ctx.get_primitive(FLOAT_TYPE)]
|
||||
)
|
||||
.into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("(abc, efg, foo())").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("tuple elements must have some type".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_attribute() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"none",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let int32 = ctx.get_primitive(INT32_TYPE);
|
||||
let float = ctx.get_primitive(FLOAT_TYPE);
|
||||
|
||||
let foo = ctx.add_class(ClassDef {
|
||||
base: TypeDef {
|
||||
name: "Foo",
|
||||
fields: HashMap::new(),
|
||||
methods: HashMap::new(),
|
||||
},
|
||||
parents: vec![],
|
||||
});
|
||||
let foo_def = ctx.get_class_def_mut(foo);
|
||||
foo_def.base.fields.insert("a", int32.clone());
|
||||
foo_def.base.fields.insert("b", ClassType(foo).into());
|
||||
foo_def.base.fields.insert("c", int32.clone());
|
||||
|
||||
let bar = ctx.add_class(ClassDef {
|
||||
base: TypeDef {
|
||||
name: "Bar",
|
||||
fields: HashMap::new(),
|
||||
methods: HashMap::new(),
|
||||
},
|
||||
parents: vec![],
|
||||
});
|
||||
let bar_def = ctx.get_class_def_mut(bar);
|
||||
bar_def.base.fields.insert("a", int32);
|
||||
bar_def.base.fields.insert("b", ClassType(bar).into());
|
||||
bar_def.base.fields.insert("c", float);
|
||||
|
||||
let v0 = ctx.add_variable(VarDef {
|
||||
name: "v0",
|
||||
bound: vec![],
|
||||
});
|
||||
|
||||
let v1 = ctx.add_variable(VarDef {
|
||||
name: "v1",
|
||||
bound: vec![ClassType(foo).into(), ClassType(bar).into()],
|
||||
});
|
||||
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("foo", Rc::new(ClassType(foo))).unwrap();
|
||||
ctx.assign("bar", Rc::new(ClassType(bar))).unwrap();
|
||||
ctx.assign("foobar", Rc::new(VirtualClassType(foo)))
|
||||
.unwrap();
|
||||
ctx.assign("v0", ctx.get_variable(v0)).unwrap();
|
||||
ctx.assign("v1", ctx.get_variable(v1)).unwrap();
|
||||
ctx.assign("bot", Rc::new(BotType)).unwrap();
|
||||
|
||||
let ast = parse_expression("foo.a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("foo.d").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no such field".into()));
|
||||
|
||||
let ast = parse_expression("foobar.a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("v0.a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no fields for type variable".into()));
|
||||
|
||||
let ast = parse_expression("v1.a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no fields for type variable".into()));
|
||||
|
||||
let ast = parse_expression("none().a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no value".into()));
|
||||
|
||||
let ast = parse_expression("bot.a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no such field".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_bool_ops() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"none",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
|
||||
let ast = parse_expression("True and False").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(BOOL_TYPE));
|
||||
|
||||
let ast = parse_expression("True and none()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no value".into()));
|
||||
|
||||
let ast = parse_expression("True and 123").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("bool operands must be bool".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_bin_ops() {
|
||||
let mut ctx = basic_ctx();
|
||||
let v0 = ctx.add_variable(VarDef {
|
||||
name: "v0",
|
||||
bound: vec![ctx.get_primitive(INT32_TYPE), ctx.get_primitive(INT64_TYPE)],
|
||||
});
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("a", TypeVariable(v0).into()).unwrap();
|
||||
|
||||
let ast = parse_expression("1 + 2 + 3").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("a + a + a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_unary_ops() {
|
||||
let mut ctx = basic_ctx();
|
||||
let v0 = ctx.add_variable(VarDef {
|
||||
name: "v0",
|
||||
bound: vec![ctx.get_primitive(INT32_TYPE), ctx.get_primitive(INT64_TYPE)],
|
||||
});
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("a", TypeVariable(v0).into()).unwrap();
|
||||
|
||||
let ast = parse_expression("-(123)").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("-a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
|
||||
let ast = parse_expression("not True").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(BOOL_TYPE));
|
||||
|
||||
let ast = parse_expression("not (1)").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("logical not must be applied to bool".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_compare() {
|
||||
let mut ctx = basic_ctx();
|
||||
let v0 = ctx.add_variable(VarDef {
|
||||
name: "v0",
|
||||
bound: vec![ctx.get_primitive(INT32_TYPE), ctx.get_primitive(INT64_TYPE)],
|
||||
});
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("a", TypeVariable(v0).into()).unwrap();
|
||||
|
||||
let ast = parse_expression("a == a == a").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
|
||||
let ast = parse_expression("a == a == 1").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
|
||||
let ast = parse_expression("True > False").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no such function".into()));
|
||||
|
||||
let ast = parse_expression("True in False").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("unsupported comparison".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_call() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"none",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
|
||||
let foo = ctx.add_class(ClassDef {
|
||||
base: TypeDef {
|
||||
name: "Foo",
|
||||
fields: HashMap::new(),
|
||||
methods: HashMap::new(),
|
||||
},
|
||||
parents: vec![],
|
||||
});
|
||||
let foo_def = ctx.get_class_def_mut(foo);
|
||||
foo_def.base.methods.insert(
|
||||
"a",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: Some(Rc::new(ClassType(foo))),
|
||||
},
|
||||
);
|
||||
|
||||
let bar = ctx.add_class(ClassDef {
|
||||
base: TypeDef {
|
||||
name: "Bar",
|
||||
fields: HashMap::new(),
|
||||
methods: HashMap::new(),
|
||||
},
|
||||
parents: vec![],
|
||||
});
|
||||
let bar_def = ctx.get_class_def_mut(bar);
|
||||
bar_def.base.methods.insert(
|
||||
"a",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: Some(Rc::new(ClassType(bar))),
|
||||
},
|
||||
);
|
||||
|
||||
let v0 = ctx.add_variable(VarDef {
|
||||
name: "v0",
|
||||
bound: vec![],
|
||||
});
|
||||
let v1 = ctx.add_variable(VarDef {
|
||||
name: "v1",
|
||||
bound: vec![ClassType(foo).into(), ClassType(bar).into()],
|
||||
});
|
||||
let v2 = ctx.add_variable(VarDef {
|
||||
name: "v2",
|
||||
bound: vec![
|
||||
ClassType(foo).into(),
|
||||
ClassType(bar).into(),
|
||||
ctx.get_primitive(INT32_TYPE),
|
||||
],
|
||||
});
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("foo", Rc::new(ClassType(foo))).unwrap();
|
||||
ctx.assign("bar", Rc::new(ClassType(bar))).unwrap();
|
||||
ctx.assign("foobar", Rc::new(VirtualClassType(foo)))
|
||||
.unwrap();
|
||||
ctx.assign("v0", ctx.get_variable(v0)).unwrap();
|
||||
ctx.assign("v1", ctx.get_variable(v1)).unwrap();
|
||||
ctx.assign("v2", ctx.get_variable(v2)).unwrap();
|
||||
ctx.assign("bot", Rc::new(BotType)).unwrap();
|
||||
|
||||
let ast = parse_expression("foo.a()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ClassType(foo).into());
|
||||
|
||||
let ast = parse_expression("v1.a()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
|
||||
let ast = parse_expression("foobar.a()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ClassType(foo).into());
|
||||
|
||||
let ast = parse_expression("none().a()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no value".into()));
|
||||
|
||||
let ast = parse_expression("bot.a()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
|
||||
let ast = parse_expression("[][0].a()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("not supported".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn infer_subscript() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"none",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("[[1]][0][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][1:2]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(LIST_TYPE, vec![ctx.get_primitive(INT32_TYPE)]).into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][1:2:2]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(LIST_TYPE, vec![ctx.get_primitive(INT32_TYPE)]).into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][1:1.2]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("slice must be int32 type".into()));
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][1:none()]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("slice must have type".into()));
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][1.2]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("index must be either slice or int32".into()));
|
||||
|
||||
let ast = parse_expression("[1, 2, 3][none()]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no value".into()));
|
||||
|
||||
let ast = parse_expression("none()[1.2]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no value".into()));
|
||||
|
||||
let ast = parse_expression("123[1]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result,
|
||||
Err("subscript is not supported for types other than list".into())
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_if_expr() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"none",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
|
||||
let ast = parse_expression("1 if True else 0").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), ctx.get_primitive(INT32_TYPE));
|
||||
|
||||
let ast = parse_expression("none() if True else none()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap(), None);
|
||||
|
||||
let ast = parse_expression("none() if 1 else none()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("test should be bool".into()));
|
||||
|
||||
let ast = parse_expression("1 if True else none()").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("divergent type".into()));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_list_comp() {
|
||||
let mut ctx = basic_ctx();
|
||||
ctx.add_fn(
|
||||
"none",
|
||||
FnDef {
|
||||
args: vec![],
|
||||
result: None,
|
||||
},
|
||||
);
|
||||
let int32 = ctx.get_primitive(INT32_TYPE);
|
||||
let mut ctx = get_inference_context(ctx);
|
||||
ctx.assign("z", int32.clone()).unwrap();
|
||||
|
||||
let ast = parse_expression("[x for x in [(1, 2), (2, 3), (3, 4)]][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result.unwrap().unwrap(),
|
||||
ParametricType(TUPLE_TYPE, vec![int32.clone(), int32.clone()]).into()
|
||||
);
|
||||
|
||||
let ast = parse_expression("[x for (x, y) in [(1, 2), (2, 3), (3, 4)]][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), int32);
|
||||
|
||||
let ast =
|
||||
parse_expression("[x for (x, y) in [(1, 2), (2, 3), (3, 4)] if x > 0][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result.unwrap().unwrap(), int32);
|
||||
|
||||
let ast = parse_expression("[x for (x, y) in [(1, 2), (2, 3), (3, 4)] if x][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("test must be bool".into()));
|
||||
|
||||
let ast = parse_expression("[y for x in []][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("unbounded identifier".into()));
|
||||
|
||||
let ast = parse_expression("[none() for x in []][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("no value".into()));
|
||||
|
||||
let ast = parse_expression("[z for z in []][0]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(result, Err("duplicated naming".into()));
|
||||
|
||||
let ast = parse_expression("[x for x in [] for y in []]").unwrap();
|
||||
let result = infer_expr(&mut ctx, &ast);
|
||||
assert_eq!(
|
||||
result,
|
||||
Err("only 1 generator statement is supported".into())
|
||||
);
|
||||
}
|
||||
}
|
||||
|
|
@ -5,589 +5,5 @@ extern crate num_bigint;
|
|||
extern crate inkwell;
|
||||
extern crate rustpython_parser;
|
||||
|
||||
pub mod expression_inference;
|
||||
pub mod inference_core;
|
||||
mod magic_methods;
|
||||
pub mod primitives;
|
||||
pub mod typedef;
|
||||
pub mod context;
|
||||
mod typecheck;
|
||||
|
||||
use std::error::Error;
|
||||
use std::fmt;
|
||||
use std::path::Path;
|
||||
use std::collections::HashMap;
|
||||
|
||||
use num_traits::cast::ToPrimitive;
|
||||
|
||||
use rustpython_parser::ast;
|
||||
|
||||
use inkwell::OptimizationLevel;
|
||||
use inkwell::builder::Builder;
|
||||
use inkwell::context::Context;
|
||||
use inkwell::module::Module;
|
||||
use inkwell::targets::*;
|
||||
use inkwell::types;
|
||||
use inkwell::types::BasicType;
|
||||
use inkwell::values;
|
||||
use inkwell::{IntPredicate, FloatPredicate};
|
||||
use inkwell::basic_block;
|
||||
use inkwell::passes;
|
||||
|
||||
|
||||
#[derive(Debug)]
|
||||
enum CompileErrorKind {
|
||||
Unsupported(&'static str),
|
||||
MissingTypeAnnotation,
|
||||
UnknownTypeAnnotation,
|
||||
IncompatibleTypes,
|
||||
UnboundIdentifier,
|
||||
BreakOutsideLoop,
|
||||
Internal(&'static str)
|
||||
}
|
||||
|
||||
impl fmt::Display for CompileErrorKind {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
match self {
|
||||
CompileErrorKind::Unsupported(feature)
|
||||
=> write!(f, "The following Python feature is not supported by NAC3: {}", feature),
|
||||
CompileErrorKind::MissingTypeAnnotation
|
||||
=> write!(f, "Missing type annotation"),
|
||||
CompileErrorKind::UnknownTypeAnnotation
|
||||
=> write!(f, "Unknown type annotation"),
|
||||
CompileErrorKind::IncompatibleTypes
|
||||
=> write!(f, "Incompatible types"),
|
||||
CompileErrorKind::UnboundIdentifier
|
||||
=> write!(f, "Unbound identifier"),
|
||||
CompileErrorKind::BreakOutsideLoop
|
||||
=> write!(f, "Break outside loop"),
|
||||
CompileErrorKind::Internal(details)
|
||||
=> write!(f, "Internal compiler error: {}", details),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct CompileError {
|
||||
location: ast::Location,
|
||||
kind: CompileErrorKind,
|
||||
}
|
||||
|
||||
impl fmt::Display for CompileError {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
write!(f, "{}, at {}", self.kind, self.location)
|
||||
}
|
||||
}
|
||||
|
||||
impl Error for CompileError {}
|
||||
|
||||
type CompileResult<T> = Result<T, CompileError>;
|
||||
|
||||
pub struct CodeGen<'ctx> {
|
||||
context: &'ctx Context,
|
||||
module: Module<'ctx>,
|
||||
pass_manager: passes::PassManager<values::FunctionValue<'ctx>>,
|
||||
builder: Builder<'ctx>,
|
||||
current_source_location: ast::Location,
|
||||
namespace: HashMap<String, values::PointerValue<'ctx>>,
|
||||
break_bb: Option<basic_block::BasicBlock<'ctx>>,
|
||||
}
|
||||
|
||||
impl<'ctx> CodeGen<'ctx> {
|
||||
pub fn new(context: &'ctx Context) -> CodeGen<'ctx> {
|
||||
let module = context.create_module("kernel");
|
||||
|
||||
let pass_manager = passes::PassManager::create(&module);
|
||||
pass_manager.add_instruction_combining_pass();
|
||||
pass_manager.add_reassociate_pass();
|
||||
pass_manager.add_gvn_pass();
|
||||
pass_manager.add_cfg_simplification_pass();
|
||||
pass_manager.add_basic_alias_analysis_pass();
|
||||
pass_manager.add_promote_memory_to_register_pass();
|
||||
pass_manager.add_instruction_combining_pass();
|
||||
pass_manager.add_reassociate_pass();
|
||||
pass_manager.initialize();
|
||||
|
||||
let i32_type = context.i32_type();
|
||||
let fn_type = i32_type.fn_type(&[i32_type.into()], false);
|
||||
module.add_function("output", fn_type, None);
|
||||
|
||||
CodeGen {
|
||||
context, module, pass_manager,
|
||||
builder: context.create_builder(),
|
||||
current_source_location: ast::Location::default(),
|
||||
namespace: HashMap::new(),
|
||||
break_bb: None,
|
||||
}
|
||||
}
|
||||
|
||||
fn set_source_location(&mut self, location: ast::Location) {
|
||||
self.current_source_location = location;
|
||||
}
|
||||
|
||||
fn compile_error(&self, kind: CompileErrorKind) -> CompileError {
|
||||
CompileError {
|
||||
location: self.current_source_location,
|
||||
kind
|
||||
}
|
||||
}
|
||||
|
||||
fn get_basic_type(&self, name: &str) -> CompileResult<types::BasicTypeEnum<'ctx>> {
|
||||
match name {
|
||||
"bool" => Ok(self.context.bool_type().into()),
|
||||
"int32" => Ok(self.context.i32_type().into()),
|
||||
"int64" => Ok(self.context.i64_type().into()),
|
||||
"float32" => Ok(self.context.f32_type().into()),
|
||||
"float64" => Ok(self.context.f64_type().into()),
|
||||
_ => Err(self.compile_error(CompileErrorKind::UnknownTypeAnnotation))
|
||||
}
|
||||
}
|
||||
|
||||
fn compile_function_def(
|
||||
&mut self,
|
||||
name: &str,
|
||||
args: &ast::Parameters,
|
||||
body: &ast::Suite,
|
||||
decorator_list: &[ast::Expression],
|
||||
returns: &Option<ast::Expression>,
|
||||
is_async: bool,
|
||||
) -> CompileResult<values::FunctionValue<'ctx>> {
|
||||
if is_async {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("async functions")))
|
||||
}
|
||||
for decorator in decorator_list.iter() {
|
||||
self.set_source_location(decorator.location);
|
||||
if let ast::ExpressionType::Identifier { name } = &decorator.node {
|
||||
if name != "kernel" && name != "portable" {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("custom decorators")))
|
||||
}
|
||||
} else {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("decorator must be an identifier")))
|
||||
}
|
||||
}
|
||||
|
||||
let args_type = args.args.iter().map(|val| {
|
||||
self.set_source_location(val.location);
|
||||
if let Some(annotation) = &val.annotation {
|
||||
if let ast::ExpressionType::Identifier { name } = &annotation.node {
|
||||
Ok(self.get_basic_type(&name)?)
|
||||
} else {
|
||||
Err(self.compile_error(CompileErrorKind::Unsupported("type annotation must be an identifier")))
|
||||
}
|
||||
} else {
|
||||
Err(self.compile_error(CompileErrorKind::MissingTypeAnnotation))
|
||||
}
|
||||
}).collect::<CompileResult<Vec<types::BasicTypeEnum>>>()?;
|
||||
let return_type = if let Some(returns) = returns {
|
||||
self.set_source_location(returns.location);
|
||||
if let ast::ExpressionType::Identifier { name } = &returns.node {
|
||||
if name == "None" { None } else { Some(self.get_basic_type(name)?) }
|
||||
} else {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("type annotation must be an identifier")))
|
||||
}
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let fn_type = match return_type {
|
||||
Some(ty) => ty.fn_type(&args_type, false),
|
||||
None => self.context.void_type().fn_type(&args_type, false)
|
||||
};
|
||||
|
||||
let function = self.module.add_function(name, fn_type, None);
|
||||
let basic_block = self.context.append_basic_block(function, "entry");
|
||||
self.builder.position_at_end(basic_block);
|
||||
|
||||
for (n, arg) in args.args.iter().enumerate() {
|
||||
let param = function.get_nth_param(n as u32).unwrap();
|
||||
let alloca = self.builder.build_alloca(param.get_type(), &arg.arg);
|
||||
self.builder.build_store(alloca, param);
|
||||
self.namespace.insert(arg.arg.clone(), alloca);
|
||||
}
|
||||
|
||||
self.compile_suite(body, return_type)?;
|
||||
|
||||
Ok(function)
|
||||
}
|
||||
|
||||
fn compile_expression(
|
||||
&mut self,
|
||||
expression: &ast::Expression
|
||||
) -> CompileResult<values::BasicValueEnum<'ctx>> {
|
||||
self.set_source_location(expression.location);
|
||||
|
||||
match &expression.node {
|
||||
ast::ExpressionType::True => Ok(self.context.bool_type().const_int(1, false).into()),
|
||||
ast::ExpressionType::False => Ok(self.context.bool_type().const_int(0, false).into()),
|
||||
ast::ExpressionType::Number { value: ast::Number::Integer { value } } => {
|
||||
let mut bits = value.bits();
|
||||
if value.sign() == num_bigint::Sign::Minus {
|
||||
bits += 1;
|
||||
}
|
||||
match bits {
|
||||
0..=32 => Ok(self.context.i32_type().const_int(value.to_i32().unwrap() as _, true).into()),
|
||||
33..=64 => Ok(self.context.i64_type().const_int(value.to_i64().unwrap() as _, true).into()),
|
||||
_ => Err(self.compile_error(CompileErrorKind::Unsupported("integers larger than 64 bits")))
|
||||
}
|
||||
},
|
||||
ast::ExpressionType::Number { value: ast::Number::Float { value } } => {
|
||||
Ok(self.context.f64_type().const_float(*value).into())
|
||||
},
|
||||
ast::ExpressionType::Identifier { name } => {
|
||||
match self.namespace.get(name) {
|
||||
Some(value) => Ok(self.builder.build_load(*value, name).into()),
|
||||
None => Err(self.compile_error(CompileErrorKind::UnboundIdentifier))
|
||||
}
|
||||
},
|
||||
ast::ExpressionType::Unop { op, a } => {
|
||||
let a = self.compile_expression(&a)?;
|
||||
match (op, a) {
|
||||
(ast::UnaryOperator::Pos, values::BasicValueEnum::IntValue(a))
|
||||
=> Ok(a.into()),
|
||||
(ast::UnaryOperator::Pos, values::BasicValueEnum::FloatValue(a))
|
||||
=> Ok(a.into()),
|
||||
(ast::UnaryOperator::Neg, values::BasicValueEnum::IntValue(a))
|
||||
=> Ok(self.builder.build_int_neg(a, "tmpneg").into()),
|
||||
(ast::UnaryOperator::Neg, values::BasicValueEnum::FloatValue(a))
|
||||
=> Ok(self.builder.build_float_neg(a, "tmpneg").into()),
|
||||
(ast::UnaryOperator::Inv, values::BasicValueEnum::IntValue(a))
|
||||
=> Ok(self.builder.build_not(a, "tmpnot").into()),
|
||||
(ast::UnaryOperator::Not, values::BasicValueEnum::IntValue(a)) => {
|
||||
// boolean "not"
|
||||
if a.get_type().get_bit_width() != 1 {
|
||||
Err(self.compile_error(CompileErrorKind::Unsupported("unimplemented unary operation")))
|
||||
} else {
|
||||
Ok(self.builder.build_not(a, "tmpnot").into())
|
||||
}
|
||||
},
|
||||
_ => Err(self.compile_error(CompileErrorKind::Unsupported("unimplemented unary operation"))),
|
||||
}
|
||||
},
|
||||
ast::ExpressionType::Binop { a, op, b } => {
|
||||
let a = self.compile_expression(&a)?;
|
||||
let b = self.compile_expression(&b)?;
|
||||
if a.get_type() != b.get_type() {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
use ast::Operator::*;
|
||||
match (op, a, b) {
|
||||
(Add, values::BasicValueEnum::IntValue(a), values::BasicValueEnum::IntValue(b))
|
||||
=> Ok(self.builder.build_int_add(a, b, "tmpadd").into()),
|
||||
(Sub, values::BasicValueEnum::IntValue(a), values::BasicValueEnum::IntValue(b))
|
||||
=> Ok(self.builder.build_int_sub(a, b, "tmpsub").into()),
|
||||
(Mult, values::BasicValueEnum::IntValue(a), values::BasicValueEnum::IntValue(b))
|
||||
=> Ok(self.builder.build_int_mul(a, b, "tmpmul").into()),
|
||||
|
||||
(Add, values::BasicValueEnum::FloatValue(a), values::BasicValueEnum::FloatValue(b))
|
||||
=> Ok(self.builder.build_float_add(a, b, "tmpadd").into()),
|
||||
(Sub, values::BasicValueEnum::FloatValue(a), values::BasicValueEnum::FloatValue(b))
|
||||
=> Ok(self.builder.build_float_sub(a, b, "tmpsub").into()),
|
||||
(Mult, values::BasicValueEnum::FloatValue(a), values::BasicValueEnum::FloatValue(b))
|
||||
=> Ok(self.builder.build_float_mul(a, b, "tmpmul").into()),
|
||||
|
||||
(Div, values::BasicValueEnum::FloatValue(a), values::BasicValueEnum::FloatValue(b))
|
||||
=> Ok(self.builder.build_float_div(a, b, "tmpdiv").into()),
|
||||
(FloorDiv, values::BasicValueEnum::IntValue(a), values::BasicValueEnum::IntValue(b))
|
||||
=> Ok(self.builder.build_int_signed_div(a, b, "tmpdiv").into()),
|
||||
_ => Err(self.compile_error(CompileErrorKind::Unsupported("unimplemented binary operation"))),
|
||||
}
|
||||
},
|
||||
ast::ExpressionType::Compare { vals, ops } => {
|
||||
let mut vals = vals.iter();
|
||||
let mut ops = ops.iter();
|
||||
|
||||
let mut result = None;
|
||||
let mut a = self.compile_expression(vals.next().unwrap())?;
|
||||
loop {
|
||||
if let Some(op) = ops.next() {
|
||||
let b = self.compile_expression(vals.next().unwrap())?;
|
||||
if a.get_type() != b.get_type() {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
let this_result = match (a, b) {
|
||||
(values::BasicValueEnum::IntValue(a), values::BasicValueEnum::IntValue(b)) => {
|
||||
match op {
|
||||
ast::Comparison::Equal
|
||||
=> self.builder.build_int_compare(IntPredicate::EQ, a, b, "tmpeq"),
|
||||
ast::Comparison::NotEqual
|
||||
=> self.builder.build_int_compare(IntPredicate::NE, a, b, "tmpne"),
|
||||
ast::Comparison::Less
|
||||
=> self.builder.build_int_compare(IntPredicate::SLT, a, b, "tmpslt"),
|
||||
ast::Comparison::LessOrEqual
|
||||
=> self.builder.build_int_compare(IntPredicate::SLE, a, b, "tmpsle"),
|
||||
ast::Comparison::Greater
|
||||
=> self.builder.build_int_compare(IntPredicate::SGT, a, b, "tmpsgt"),
|
||||
ast::Comparison::GreaterOrEqual
|
||||
=> self.builder.build_int_compare(IntPredicate::SGE, a, b, "tmpsge"),
|
||||
_ => return Err(self.compile_error(CompileErrorKind::Unsupported("special comparison"))),
|
||||
}
|
||||
},
|
||||
(values::BasicValueEnum::FloatValue(a), values::BasicValueEnum::FloatValue(b)) => {
|
||||
match op {
|
||||
ast::Comparison::Equal
|
||||
=> self.builder.build_float_compare(FloatPredicate::OEQ, a, b, "tmpoeq"),
|
||||
ast::Comparison::NotEqual
|
||||
=> self.builder.build_float_compare(FloatPredicate::UNE, a, b, "tmpune"),
|
||||
ast::Comparison::Less
|
||||
=> self.builder.build_float_compare(FloatPredicate::OLT, a, b, "tmpolt"),
|
||||
ast::Comparison::LessOrEqual
|
||||
=> self.builder.build_float_compare(FloatPredicate::OLE, a, b, "tmpole"),
|
||||
ast::Comparison::Greater
|
||||
=> self.builder.build_float_compare(FloatPredicate::OGT, a, b, "tmpogt"),
|
||||
ast::Comparison::GreaterOrEqual
|
||||
=> self.builder.build_float_compare(FloatPredicate::OGE, a, b, "tmpoge"),
|
||||
_ => return Err(self.compile_error(CompileErrorKind::Unsupported("special comparison"))),
|
||||
}
|
||||
},
|
||||
_ => return Err(self.compile_error(CompileErrorKind::Unsupported("comparison of non-numerical types"))),
|
||||
};
|
||||
match result {
|
||||
Some(last) => {
|
||||
result = Some(self.builder.build_and(last, this_result, "tmpand"));
|
||||
}
|
||||
None => {
|
||||
result = Some(this_result);
|
||||
}
|
||||
}
|
||||
a = b;
|
||||
} else {
|
||||
return Ok(result.unwrap().into())
|
||||
}
|
||||
}
|
||||
},
|
||||
ast::ExpressionType::Call { function, args, keywords } => {
|
||||
if !keywords.is_empty() {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("keyword arguments")))
|
||||
}
|
||||
let args = args.iter().map(|val| self.compile_expression(val))
|
||||
.collect::<CompileResult<Vec<values::BasicValueEnum>>>()?;
|
||||
self.set_source_location(expression.location);
|
||||
if let ast::ExpressionType::Identifier { name } = &function.node {
|
||||
match (name.as_str(), args[0]) {
|
||||
("int32", values::BasicValueEnum::IntValue(a)) => {
|
||||
let nbits = a.get_type().get_bit_width();
|
||||
if nbits < 32 {
|
||||
Ok(self.builder.build_int_s_extend(a, self.context.i32_type(), "tmpsext").into())
|
||||
} else if nbits > 32 {
|
||||
Ok(self.builder.build_int_truncate(a, self.context.i32_type(), "tmptrunc").into())
|
||||
} else {
|
||||
Ok(a.into())
|
||||
}
|
||||
},
|
||||
("int64", values::BasicValueEnum::IntValue(a)) => {
|
||||
let nbits = a.get_type().get_bit_width();
|
||||
if nbits < 64 {
|
||||
Ok(self.builder.build_int_s_extend(a, self.context.i64_type(), "tmpsext").into())
|
||||
} else {
|
||||
Ok(a.into())
|
||||
}
|
||||
},
|
||||
("int32", values::BasicValueEnum::FloatValue(a)) => {
|
||||
Ok(self.builder.build_float_to_signed_int(a, self.context.i32_type(), "tmpfptosi").into())
|
||||
},
|
||||
("int64", values::BasicValueEnum::FloatValue(a)) => {
|
||||
Ok(self.builder.build_float_to_signed_int(a, self.context.i64_type(), "tmpfptosi").into())
|
||||
},
|
||||
("float32", values::BasicValueEnum::IntValue(a)) => {
|
||||
Ok(self.builder.build_signed_int_to_float(a, self.context.f32_type(), "tmpsitofp").into())
|
||||
},
|
||||
("float64", values::BasicValueEnum::IntValue(a)) => {
|
||||
Ok(self.builder.build_signed_int_to_float(a, self.context.f64_type(), "tmpsitofp").into())
|
||||
},
|
||||
("float32", values::BasicValueEnum::FloatValue(a)) => {
|
||||
if a.get_type() == self.context.f64_type() {
|
||||
Ok(self.builder.build_float_trunc(a, self.context.f32_type(), "tmptrunc").into())
|
||||
} else {
|
||||
Ok(a.into())
|
||||
}
|
||||
},
|
||||
("float64", values::BasicValueEnum::FloatValue(a)) => {
|
||||
if a.get_type() == self.context.f32_type() {
|
||||
Ok(self.builder.build_float_ext(a, self.context.f64_type(), "tmpext").into())
|
||||
} else {
|
||||
Ok(a.into())
|
||||
}
|
||||
},
|
||||
|
||||
("output", values::BasicValueEnum::IntValue(a)) => {
|
||||
let fn_value = self.module.get_function("output").unwrap();
|
||||
Ok(self.builder.build_call(fn_value, &[a.into()], "call")
|
||||
.try_as_basic_value().left().unwrap())
|
||||
},
|
||||
_ => Err(self.compile_error(CompileErrorKind::Unsupported("unrecognized call")))
|
||||
}
|
||||
} else {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("function must be an identifier")))
|
||||
}
|
||||
},
|
||||
_ => return Err(self.compile_error(CompileErrorKind::Unsupported("unimplemented expression"))),
|
||||
}
|
||||
}
|
||||
|
||||
fn compile_statement(
|
||||
&mut self,
|
||||
statement: &ast::Statement,
|
||||
return_type: Option<types::BasicTypeEnum>
|
||||
) -> CompileResult<()> {
|
||||
self.set_source_location(statement.location);
|
||||
|
||||
use ast::StatementType::*;
|
||||
match &statement.node {
|
||||
Assign { targets, value } => {
|
||||
let value = self.compile_expression(value)?;
|
||||
for target in targets.iter() {
|
||||
self.set_source_location(target.location);
|
||||
if let ast::ExpressionType::Identifier { name } = &target.node {
|
||||
let builder = &self.builder;
|
||||
let target = self.namespace.entry(name.clone()).or_insert_with(
|
||||
|| builder.build_alloca(value.get_type(), name));
|
||||
if target.get_type() != value.get_type().ptr_type(inkwell::AddressSpace::Generic) {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
builder.build_store(*target, value);
|
||||
} else {
|
||||
return Err(self.compile_error(CompileErrorKind::Unsupported("assignment target must be an identifier")))
|
||||
}
|
||||
}
|
||||
},
|
||||
Expression { expression } => { self.compile_expression(expression)?; },
|
||||
If { test, body, orelse } => {
|
||||
let test = self.compile_expression(test)?;
|
||||
if test.get_type() != self.context.bool_type().into() {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
|
||||
let parent = self.builder.get_insert_block().unwrap().get_parent().unwrap();
|
||||
let then_bb = self.context.append_basic_block(parent, "then");
|
||||
let else_bb = self.context.append_basic_block(parent, "else");
|
||||
let cont_bb = self.context.append_basic_block(parent, "ifcont");
|
||||
self.builder.build_conditional_branch(test.into_int_value(), then_bb, else_bb);
|
||||
|
||||
self.builder.position_at_end(then_bb);
|
||||
self.compile_suite(body, return_type)?;
|
||||
self.builder.build_unconditional_branch(cont_bb);
|
||||
|
||||
self.builder.position_at_end(else_bb);
|
||||
if let Some(orelse) = orelse {
|
||||
self.compile_suite(orelse, return_type)?;
|
||||
}
|
||||
self.builder.build_unconditional_branch(cont_bb);
|
||||
self.builder.position_at_end(cont_bb);
|
||||
},
|
||||
While { test, body, orelse } => {
|
||||
let parent = self.builder.get_insert_block().unwrap().get_parent().unwrap();
|
||||
let test_bb = self.context.append_basic_block(parent, "test");
|
||||
self.builder.build_unconditional_branch(test_bb);
|
||||
self.builder.position_at_end(test_bb);
|
||||
let test = self.compile_expression(test)?;
|
||||
if test.get_type() != self.context.bool_type().into() {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
|
||||
let then_bb = self.context.append_basic_block(parent, "then");
|
||||
let else_bb = self.context.append_basic_block(parent, "else");
|
||||
let cont_bb = self.context.append_basic_block(parent, "ifcont");
|
||||
self.builder.build_conditional_branch(test.into_int_value(), then_bb, else_bb);
|
||||
|
||||
self.break_bb = Some(cont_bb);
|
||||
|
||||
self.builder.position_at_end(then_bb);
|
||||
self.compile_suite(body, return_type)?;
|
||||
self.builder.build_unconditional_branch(test_bb);
|
||||
|
||||
self.builder.position_at_end(else_bb);
|
||||
if let Some(orelse) = orelse {
|
||||
self.compile_suite(orelse, return_type)?;
|
||||
}
|
||||
self.builder.build_unconditional_branch(cont_bb);
|
||||
self.builder.position_at_end(cont_bb);
|
||||
|
||||
self.break_bb = None;
|
||||
},
|
||||
Break => {
|
||||
if let Some(bb) = self.break_bb {
|
||||
self.builder.build_unconditional_branch(bb);
|
||||
let parent = self.builder.get_insert_block().unwrap().get_parent().unwrap();
|
||||
let unreachable_bb = self.context.append_basic_block(parent, "unreachable");
|
||||
self.builder.position_at_end(unreachable_bb);
|
||||
} else {
|
||||
return Err(self.compile_error(CompileErrorKind::BreakOutsideLoop));
|
||||
}
|
||||
}
|
||||
Return { value: Some(value) } => {
|
||||
if let Some(return_type) = return_type {
|
||||
let value = self.compile_expression(value)?;
|
||||
if value.get_type() != return_type {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
self.builder.build_return(Some(&value));
|
||||
} else {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
},
|
||||
Return { value: None } => {
|
||||
if !return_type.is_none() {
|
||||
return Err(self.compile_error(CompileErrorKind::IncompatibleTypes));
|
||||
}
|
||||
self.builder.build_return(None);
|
||||
},
|
||||
Pass => (),
|
||||
_ => return Err(self.compile_error(CompileErrorKind::Unsupported("special statement"))),
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn compile_suite(
|
||||
&mut self,
|
||||
suite: &ast::Suite,
|
||||
return_type: Option<types::BasicTypeEnum>
|
||||
) -> CompileResult<()> {
|
||||
for statement in suite.iter() {
|
||||
self.compile_statement(statement, return_type)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn compile_toplevel(&mut self, statement: &ast::Statement) -> CompileResult<()> {
|
||||
self.set_source_location(statement.location);
|
||||
if let ast::StatementType::FunctionDef {
|
||||
is_async,
|
||||
name,
|
||||
args,
|
||||
body,
|
||||
decorator_list,
|
||||
returns,
|
||||
} = &statement.node {
|
||||
let function = self.compile_function_def(name, args, body, decorator_list, returns, *is_async)?;
|
||||
self.pass_manager.run_on(&function);
|
||||
Ok(())
|
||||
} else {
|
||||
Err(self.compile_error(CompileErrorKind::Internal("top-level is not a function definition")))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn print_ir(&self) {
|
||||
self.module.print_to_stderr();
|
||||
}
|
||||
|
||||
pub fn output(&self, filename: &str) {
|
||||
//let triple = TargetTriple::create("riscv32-none-linux-gnu");
|
||||
let triple = TargetMachine::get_default_triple();
|
||||
let target = Target::from_triple(&triple)
|
||||
.expect("couldn't create target from target triple");
|
||||
|
||||
let target_machine = target
|
||||
.create_target_machine(
|
||||
&triple,
|
||||
"",
|
||||
"",
|
||||
OptimizationLevel::Default,
|
||||
RelocMode::Default,
|
||||
CodeModel::Default,
|
||||
)
|
||||
.expect("couldn't create target machine");
|
||||
|
||||
target_machine
|
||||
.write_to_file(&self.module, FileType::Object, Path::new(filename))
|
||||
.expect("couldn't write module to file");
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
use super::TopLevelContext;
|
||||
use crate::typedef::*;
|
||||
use super::super::typedef::*;
|
||||
use std::boxed::Box;
|
||||
use std::collections::HashMap;
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
use crate::typedef::*;
|
||||
use super::super::typedef::*;
|
||||
use std::collections::HashMap;
|
||||
use std::rc::Rc;
|
||||
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
use crate::context::InferenceContext;
|
||||
use crate::typedef::{TypeEnum::*, *};
|
||||
use super::context::InferenceContext;
|
||||
use super::typedef::{TypeEnum::*, *};
|
||||
use std::collections::HashMap;
|
||||
|
||||
fn find_subst(
|
||||
|
|
@ -168,8 +168,8 @@ pub fn resolve_call(
|
|||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use crate::context::TopLevelContext;
|
||||
use crate::primitives::*;
|
||||
use super::super::context::TopLevelContext;
|
||||
use super::super::primitives::*;
|
||||
use std::rc::Rc;
|
||||
|
||||
fn get_inference_context(ctx: TopLevelContext) -> InferenceContext {
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
use rustpython_parser::ast::{Comparison, Operator, UnaryOperator};
|
||||
use rustpython_parser::ast::{Cmpop, Operator, Unaryop};
|
||||
|
||||
pub fn binop_name(op: &Operator) -> &'static str {
|
||||
match op {
|
||||
|
|
@ -36,23 +36,23 @@ pub fn binop_assign_name(op: &Operator) -> &'static str {
|
|||
}
|
||||
}
|
||||
|
||||
pub fn unaryop_name(op: &UnaryOperator) -> &'static str {
|
||||
pub fn unaryop_name(op: &Unaryop) -> &'static str {
|
||||
match op {
|
||||
UnaryOperator::Pos => "__pos__",
|
||||
UnaryOperator::Neg => "__neg__",
|
||||
UnaryOperator::Not => "__not__",
|
||||
UnaryOperator::Inv => "__inv__",
|
||||
Unaryop::UAdd => "__pos__",
|
||||
Unaryop::USub => "__neg__",
|
||||
Unaryop::Not => "__not__",
|
||||
Unaryop::Invert => "__inv__",
|
||||
}
|
||||
}
|
||||
|
||||
pub fn comparison_name(op: &Comparison) -> Option<&'static str> {
|
||||
pub fn comparison_name(op: &Cmpop) -> Option<&'static str> {
|
||||
match op {
|
||||
Comparison::Less => Some("__lt__"),
|
||||
Comparison::LessOrEqual => Some("__le__"),
|
||||
Comparison::Greater => Some("__gt__"),
|
||||
Comparison::GreaterOrEqual => Some("__ge__"),
|
||||
Comparison::Equal => Some("__eq__"),
|
||||
Comparison::NotEqual => Some("__ne__"),
|
||||
Cmpop::Lt => Some("__lt__"),
|
||||
Cmpop::LtE => Some("__le__"),
|
||||
Cmpop::Gt => Some("__gt__"),
|
||||
Cmpop::GtE => Some("__ge__"),
|
||||
Cmpop::Eq => Some("__eq__"),
|
||||
Cmpop::NotEq => Some("__ne__"),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
pub mod inference_core;
|
||||
pub mod magic_methods;
|
||||
pub mod primitives;
|
||||
pub mod typedef;
|
||||
pub mod context;
|
||||
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
use super::typedef::{TypeEnum::*, *};
|
||||
use crate::context::*;
|
||||
use super::context::*;
|
||||
use std::collections::HashMap;
|
||||
|
||||
pub const TUPLE_TYPE: ParamId = ParamId(0);
|
||||
Loading…
Reference in New Issue