mirror of
https://github.com/roc-lang/roc.git
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Support basic diagnostic reporting
This commit is contained in:
parent
c50925240d
commit
9d365a8a57
46
Cargo.lock
generated
46
Cargo.lock
generated
@ -158,6 +158,17 @@ dependencies = [
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"stable_deref_trait",
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]
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[[package]]
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name = "async-trait"
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version = "0.1.59"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "31e6e93155431f3931513b243d371981bb2770112b370c82745a1d19d2f99364"
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dependencies = [
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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 = "atty"
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version = "0.2.14"
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@ -169,6 +180,18 @@ dependencies = [
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"winapi",
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]
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[[package]]
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name = "auto_impl"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7862e21c893d65a1650125d157eaeec691439379a1cee17ee49031b79236ada4"
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dependencies = [
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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 = "autocfg"
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version = "1.1.0"
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@ -3304,6 +3327,17 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "serde_repr"
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version = "0.1.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fe39d9fbb0ebf5eb2c7cb7e2a47e4f462fad1379f1166b8ae49ad9eae89a7ca"
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dependencies = [
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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 = "serde_urlencoded"
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version = "0.7.1"
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@ -3847,6 +3881,17 @@ dependencies = [
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"windows-sys 0.48.0",
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]
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[[package]]
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name = "tokio-macros"
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version = "1.8.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d266c00fde287f55d3f1c3e96c500c362a2b8c695076ec180f27918820bc6df8"
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dependencies = [
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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 = "tokio-rustls"
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version = "0.24.1"
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@ -4063,6 +4108,7 @@ dependencies = [
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"form_urlencoded",
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"idna",
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"percent-encoding",
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"serde",
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]
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[[package]]
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@ -26,6 +26,7 @@ members = [
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"crates/wasi-libc-sys",
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"crates/wasm_module",
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"crates/wasm_interp",
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"crates/lang_srv",
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]
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exclude = [
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@ -160,6 +160,13 @@ impl Error {
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Error::Unmatchable { .. } => Warning,
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}
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}
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pub fn region(&self) -> Region {
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match self {
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Error::Incomplete(region, _, _) => *region,
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Error::Redundant { branch_region, .. } => *branch_region,
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}
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}
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}
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#[derive(Clone, Copy, Debug, PartialEq, Eq)]
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@ -445,6 +445,14 @@ pub enum PrecedenceProblem {
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BothNonAssociative(Region, Loc<BinOp>, Loc<BinOp>),
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}
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impl PrecedenceProblem {
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pub fn region(&self) -> Region {
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match self {
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PrecedenceProblem::BothNonAssociative(region, _, _) => *region,
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}
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}
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}
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/// Enum to store the various types of errors that can cause parsing an integer to fail.
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum IntErrorKind {
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@ -619,6 +627,45 @@ impl RuntimeError {
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err => format!("{err:?}"),
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}
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}
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pub fn region(&self) -> Region {
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match self {
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RuntimeError::Shadowing { shadow, .. } => shadow.region,
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RuntimeError::InvalidOptionalValue { field_region, .. } => *field_region,
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RuntimeError::UnsupportedPattern(region)
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| RuntimeError::MalformedPattern(_, region)
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| RuntimeError::OpaqueOutsideScope {
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referenced_region: region,
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..
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}
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| RuntimeError::OpaqueAppliedToMultipleArgs(region)
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| RuntimeError::ValueNotExposed { region, .. }
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| RuntimeError::ModuleNotImported { region, .. }
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| RuntimeError::InvalidPrecedence(_, region)
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| RuntimeError::MalformedIdentifier(_, _, region)
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| RuntimeError::MalformedTypeName(_, region)
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| RuntimeError::MalformedClosure(region)
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| RuntimeError::InvalidRecordUpdate { region }
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| RuntimeError::InvalidFloat(_, region, _)
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| RuntimeError::InvalidInt(_, _, region, _)
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| RuntimeError::EmptySingleQuote(region)
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| RuntimeError::MultipleCharsInSingleQuote(region)
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| RuntimeError::DegenerateBranch(region)
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| RuntimeError::InvalidInterpolation(region)
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| RuntimeError::InvalidHexadecimal(region)
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| RuntimeError::InvalidUnicodeCodePt(region) => *region,
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RuntimeError::UnresolvedTypeVar | RuntimeError::ErroneousType => Region::zero(),
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RuntimeError::LookupNotInScope(ident, _) => ident.region,
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RuntimeError::OpaqueNotDefined { usage, .. } => usage.region,
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RuntimeError::OpaqueNotApplied(ident) => ident.region,
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RuntimeError::CircularDef(cycle) => cycle[0].symbol_region,
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RuntimeError::NonExhaustivePattern => Region::zero(),
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RuntimeError::NoImplementationNamed { .. }
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| RuntimeError::NoImplementation
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| RuntimeError::VoidValue
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| RuntimeError::ExposedButNotDefined(_) => Region::zero(),
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}
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}
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}
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#[derive(Clone, Copy, Debug, PartialEq, Eq)]
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@ -667,7 +667,7 @@ fn solve(
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}
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}
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None => {
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problems.push(TypeError::UnexposedLookup(*symbol));
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problems.push(TypeError::UnexposedLookup(*region, *symbol));
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state
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}
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22
crates/lang_srv/Cargo.toml
Normal file
22
crates/lang_srv/Cargo.toml
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@ -0,0 +1,22 @@
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[package]
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name = "roc_lang_srv"
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version = "0.0.1"
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edition = "2021"
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[[bin]]
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name = "roc_ls"
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path = "src/server.rs"
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[dependencies]
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roc_load = { path = "../compiler/load" }
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roc_problem = { path = "../compiler/problem" }
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roc_region = { path = "../compiler/region" }
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roc_reporting = { path = "../reporting" }
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roc_solve_problem = { path = "../compiler/solve_problem" }
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roc_target = { path = "../compiler/roc_target" }
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bumpalo = { version = "3.8.0", features = ["collections"] }
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tower-lsp = "0.17.0"
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tokio = { version = "1.20.1", features = [ "rt", "rt-multi-thread", "macros", "io-std", ] }
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parking_lot = "0.12.1"
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176
crates/lang_srv/src/convert.rs
Normal file
176
crates/lang_srv/src/convert.rs
Normal file
@ -0,0 +1,176 @@
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use roc_region::all::{LineColumnRegion, LineInfo, Region};
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use tower_lsp::lsp_types::{Position, Range};
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fn range_of_region(line_info: &LineInfo, region: Region) -> Range {
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let LineColumnRegion { start, end } = line_info.convert_region(region);
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Range {
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start: Position {
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line: start.line,
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character: start.column,
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},
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end: Position {
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line: end.line,
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character: end.column,
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},
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}
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}
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pub(crate) mod diag {
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use std::path::Path;
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use roc_load::LoadingProblem;
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use roc_region::all::LineInfo;
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use roc_solve_problem::TypeError;
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use roc_reporting::report::{RocDocAllocator, Severity};
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use tower_lsp::lsp_types::{Diagnostic, DiagnosticSeverity, Position, Range};
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use super::range_of_region;
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pub trait IntoLspSeverity {
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fn into_lsp_severity(self) -> DiagnosticSeverity;
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}
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impl IntoLspSeverity for Severity {
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fn into_lsp_severity(self) -> DiagnosticSeverity {
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match self {
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Severity::RuntimeError => DiagnosticSeverity::ERROR,
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Severity::Warning => DiagnosticSeverity::WARNING,
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}
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}
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}
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pub trait IntoLspDiagnostic<'a> {
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type Feed;
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fn into_lsp_diagnostic(self, feed: &'a Self::Feed) -> Option<Diagnostic>;
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}
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impl IntoLspDiagnostic<'_> for LoadingProblem<'_> {
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type Feed = ();
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fn into_lsp_diagnostic(self, _feed: &()) -> Option<Diagnostic> {
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let range = Range {
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start: Position {
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line: 0,
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character: 0,
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},
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end: Position {
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line: 0,
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character: 1,
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},
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};
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let msg;
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match self {
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LoadingProblem::FileProblem { filename, error } => {
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msg = format!(
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"Failed to load {} due to an I/O error: {}",
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filename.display(),
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error
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);
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}
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LoadingProblem::ParsingFailed(_) => {
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unreachable!("should be formatted before sent back")
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}
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LoadingProblem::UnexpectedHeader(header) => {
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msg = format!("Unexpected header: {}", header);
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}
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LoadingProblem::MsgChannelDied => {
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msg = format!("Internal error: message channel died");
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}
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LoadingProblem::ErrJoiningWorkerThreads => {
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msg = format!("Internal error: analysis worker threads died");
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}
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LoadingProblem::TriedToImportAppModule => {
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msg = format!("Attempted to import app module");
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}
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LoadingProblem::FormattedReport(report) => {
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msg = report;
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}
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};
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Some(Diagnostic {
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range,
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severity: Some(DiagnosticSeverity::ERROR),
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code: None,
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code_description: None,
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source: Some("load".to_owned()),
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message: msg,
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related_information: None,
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tags: None,
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data: None,
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})
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}
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}
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pub struct ProblemFmt<'a> {
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pub alloc: &'a RocDocAllocator<'a>,
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pub line_info: &'a LineInfo,
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pub path: &'a Path,
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}
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impl<'a> IntoLspDiagnostic<'a> for roc_problem::can::Problem {
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type Feed = ProblemFmt<'a>;
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fn into_lsp_diagnostic(self, fmt: &'a ProblemFmt<'a>) -> Option<Diagnostic> {
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let range = range_of_region(fmt.line_info, self.region());
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let report = roc_reporting::report::can_problem(
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&fmt.alloc,
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&fmt.line_info,
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fmt.path.to_path_buf(),
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self,
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);
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let severity = report.severity.into_lsp_severity();
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let mut msg = String::new();
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report.render_ci(&mut msg, fmt.alloc);
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Some(Diagnostic {
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range,
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severity: Some(severity),
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code: None,
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code_description: None,
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source: None,
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message: msg,
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related_information: None,
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tags: None,
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data: None,
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})
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}
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}
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impl<'a> IntoLspDiagnostic<'a> for TypeError {
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type Feed = ProblemFmt<'a>;
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fn into_lsp_diagnostic(self, fmt: &'a ProblemFmt<'a>) -> Option<Diagnostic> {
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let range = range_of_region(fmt.line_info, self.region());
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let report = roc_reporting::report::type_problem(
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&fmt.alloc,
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&fmt.line_info,
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fmt.path.to_path_buf(),
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self,
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)?;
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let severity = report.severity.into_lsp_severity();
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let mut msg = String::new();
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report.render_ci(&mut msg, fmt.alloc);
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Some(Diagnostic {
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range,
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severity: Some(severity),
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code: None,
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code_description: None,
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source: None,
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message: msg,
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related_information: None,
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tags: None,
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data: None,
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})
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}
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}
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}
|
158
crates/lang_srv/src/registry.rs
Normal file
158
crates/lang_srv/src/registry.rs
Normal file
@ -0,0 +1,158 @@
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use std::collections::HashMap;
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use bumpalo::Bump;
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use roc_load::{LoadedModule, LoadingProblem};
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use roc_region::all::LineInfo;
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use roc_reporting::report::RocDocAllocator;
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use tower_lsp::lsp_types::{Diagnostic, Url};
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use crate::convert::diag::{IntoLspDiagnostic, ProblemFmt};
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pub(crate) enum DocumentChange {
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Modified(Url, String),
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Closed(Url),
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}
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#[derive(Debug)]
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struct Document {
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url: Url,
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source: String,
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arena: Bump,
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|
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// Incrementally updated module, diagnostis, etc.
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module: Option<Result<LoadedModule, ()>>,
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diagnostics: Option<Vec<Diagnostic>>,
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}
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impl Document {
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fn new(url: Url, source: String) -> Self {
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Self {
|
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url,
|
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source,
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arena: Bump::new(),
|
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|
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module: None,
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diagnostics: None,
|
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}
|
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}
|
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|
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fn prime(&mut self, source: String) {
|
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self.source = source;
|
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self.module = None;
|
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self.diagnostics = None;
|
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}
|
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|
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fn module(&mut self) -> Result<&mut LoadedModule, LoadingProblem<'_>> {
|
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if let Some(Ok(module)) = &mut self.module {
|
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// Safety: returning for time self is alive
|
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return Ok(unsafe { std::mem::transmute(module) });
|
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}
|
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|
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let fi = self.url.to_file_path().unwrap();
|
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let src_dir = fi.parent().unwrap().to_path_buf();
|
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|
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let loaded = roc_load::load_and_typecheck_str(
|
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&self.arena,
|
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fi,
|
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&self.source,
|
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src_dir,
|
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Default::default(),
|
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roc_target::TargetInfo::default_x86_64(),
|
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roc_reporting::report::RenderTarget::Generic,
|
||||
);
|
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|
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match loaded {
|
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Ok(module) => {
|
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self.module = Some(Ok(module));
|
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Ok(self.module.as_mut().unwrap().as_mut().unwrap())
|
||||
}
|
||||
Err(problem) => {
|
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self.module = Some(Err(()));
|
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Err(problem)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
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fn diagnostics(&mut self) -> Vec<Diagnostic> {
|
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if let Some(diagnostics) = &self.diagnostics {
|
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return diagnostics.clone();
|
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}
|
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|
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let loaded: Result<&'static mut LoadedModule, LoadingProblem> =
|
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unsafe { std::mem::transmute(self.module()) };
|
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|
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let diagnostics = match loaded {
|
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Ok(module) => {
|
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let lines: Vec<_> = self.source.lines().collect();
|
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let line_info = LineInfo::new(&self.source);
|
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|
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let alloc = RocDocAllocator::new(&lines, module.module_id, &module.interns);
|
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|
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let mut all_problems = Vec::new();
|
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let module_path = self.url.to_file_path().unwrap();
|
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let fmt = ProblemFmt {
|
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alloc: &alloc,
|
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line_info: &line_info,
|
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path: &module_path,
|
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};
|
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|
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for can_problem in module
|
||||
.can_problems
|
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.remove(&module.module_id)
|
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.unwrap_or_default()
|
||||
{
|
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if let Some(diag) = can_problem.into_lsp_diagnostic(&fmt) {
|
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all_problems.push(diag);
|
||||
}
|
||||
}
|
||||
|
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for type_problem in module
|
||||
.type_problems
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.remove(&module.module_id)
|
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.unwrap_or_default()
|
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{
|
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if let Some(diag) = type_problem.into_lsp_diagnostic(&fmt) {
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all_problems.push(diag);
|
||||
}
|
||||
}
|
||||
|
||||
all_problems
|
||||
}
|
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Err(problem) => {
|
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let mut all_problems = vec![];
|
||||
all_problems.extend(problem.into_lsp_diagnostic(&()));
|
||||
all_problems
|
||||
}
|
||||
};
|
||||
|
||||
self.diagnostics = Some(diagnostics);
|
||||
self.diagnostics.as_ref().unwrap().clone()
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Default)]
|
||||
pub(crate) struct Registry {
|
||||
documents: HashMap<Url, Document>,
|
||||
}
|
||||
|
||||
impl Registry {
|
||||
pub fn apply_change(&mut self, change: DocumentChange) {
|
||||
match change {
|
||||
DocumentChange::Modified(url, source) => match self.documents.get_mut(&url) {
|
||||
Some(document) => document.prime(source),
|
||||
None => {
|
||||
self.documents
|
||||
.insert(url.clone(), Document::new(url, source));
|
||||
}
|
||||
},
|
||||
DocumentChange::Closed(url) => {
|
||||
self.documents.remove(&url);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn diagnostics(&mut self, document: &Url) -> Vec<Diagnostic> {
|
||||
self.documents.get_mut(document).unwrap().diagnostics()
|
||||
}
|
||||
}
|
112
crates/lang_srv/src/server.rs
Normal file
112
crates/lang_srv/src/server.rs
Normal file
@ -0,0 +1,112 @@
|
||||
use parking_lot::{Mutex, MutexGuard};
|
||||
use registry::{DocumentChange, Registry};
|
||||
use tower_lsp::jsonrpc::Result;
|
||||
use tower_lsp::lsp_types::*;
|
||||
use tower_lsp::{Client, LanguageServer, LspService, Server};
|
||||
|
||||
mod convert;
|
||||
mod registry;
|
||||
|
||||
#[derive(Debug)]
|
||||
struct RocLs {
|
||||
client: Client,
|
||||
registry: Mutex<Registry>,
|
||||
}
|
||||
|
||||
impl RocLs {
|
||||
pub fn new(client: Client) -> Self {
|
||||
Self {
|
||||
client,
|
||||
registry: Mutex::new(Registry::default()),
|
||||
}
|
||||
}
|
||||
|
||||
fn registry(&self) -> MutexGuard<Registry> {
|
||||
self.registry.lock()
|
||||
}
|
||||
|
||||
pub fn capabilities() -> ServerCapabilities {
|
||||
let text_document_sync = Some(TextDocumentSyncCapability::Options(
|
||||
// TODO: later on make this incremental
|
||||
TextDocumentSyncOptions {
|
||||
open_close: Some(true),
|
||||
change: Some(TextDocumentSyncKind::FULL),
|
||||
..TextDocumentSyncOptions::default()
|
||||
},
|
||||
));
|
||||
let hover_provider = Some(HoverProviderCapability::Simple(true));
|
||||
|
||||
ServerCapabilities {
|
||||
text_document_sync,
|
||||
hover_provider,
|
||||
..ServerCapabilities::default()
|
||||
}
|
||||
}
|
||||
|
||||
/// Records a document content change.
|
||||
async fn change(&self, fi: Url, text: String, version: i32) {
|
||||
self.registry()
|
||||
.apply_change(DocumentChange::Modified(fi.clone(), text));
|
||||
|
||||
let diagnostics = self.registry().diagnostics(&fi);
|
||||
self.client
|
||||
.publish_diagnostics(fi, diagnostics, Some(version))
|
||||
.await;
|
||||
}
|
||||
|
||||
async fn close(&self, fi: Url) {
|
||||
self.registry().apply_change(DocumentChange::Closed(fi));
|
||||
}
|
||||
}
|
||||
|
||||
#[tower_lsp::async_trait]
|
||||
impl LanguageServer for RocLs {
|
||||
async fn initialize(&self, _: InitializeParams) -> Result<InitializeResult> {
|
||||
Ok(InitializeResult {
|
||||
capabilities: Self::capabilities(),
|
||||
..InitializeResult::default()
|
||||
})
|
||||
}
|
||||
|
||||
async fn initialized(&self, _: InitializedParams) {
|
||||
self.client
|
||||
.log_message(MessageType::INFO, "Roc language server initialized.")
|
||||
.await;
|
||||
}
|
||||
|
||||
async fn did_open(&self, params: DidOpenTextDocumentParams) {
|
||||
let TextDocumentItem {
|
||||
uri, text, version, ..
|
||||
} = params.text_document;
|
||||
self.change(uri, text, version).await;
|
||||
}
|
||||
|
||||
async fn did_change(&self, params: DidChangeTextDocumentParams) {
|
||||
let VersionedTextDocumentIdentifier { uri, version, .. } = params.text_document;
|
||||
|
||||
// NOTE: We specify that we expect full-content syncs in the server capabilities,
|
||||
// so here we assume the only change passed is a change of the entire document's content.
|
||||
let TextDocumentContentChangeEvent { text, .. } =
|
||||
params.content_changes.into_iter().next().unwrap();
|
||||
|
||||
self.change(uri, text, version).await;
|
||||
}
|
||||
|
||||
async fn did_close(&self, params: DidCloseTextDocumentParams) {
|
||||
let TextDocumentIdentifier { uri } = params.text_document;
|
||||
self.close(uri).await;
|
||||
}
|
||||
|
||||
async fn shutdown(&self) -> Result<()> {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() {
|
||||
let stdin = tokio::io::stdin();
|
||||
let stdout = tokio::io::stdout();
|
||||
|
||||
let (service, socket) = LspService::new(RocLs::new);
|
||||
Server::new(stdin, stdout, socket).serve(service).await;
|
||||
}
|
@ -71,7 +71,7 @@ pub fn type_problem<'b>(
|
||||
symbol,
|
||||
overall_type,
|
||||
)),
|
||||
UnexposedLookup(symbol) => {
|
||||
UnexposedLookup(_, symbol) => {
|
||||
let title = "UNRECOGNIZED NAME".to_string();
|
||||
let doc = alloc
|
||||
.stack(vec![alloc
|
||||
|
@ -134,7 +134,7 @@ impl<'b> Report<'b> {
|
||||
}
|
||||
|
||||
/// Render to CI console output, where no colors are available.
|
||||
pub fn render_ci(self, buf: &'b mut String, alloc: &'b RocDocAllocator<'b>) {
|
||||
pub fn render_ci(self, buf: &mut String, alloc: &'b RocDocAllocator<'b>) {
|
||||
let err_msg = "<buffer is not a utf-8 encoded string>";
|
||||
|
||||
self.pretty(alloc)
|
||||
|
Loading…
Reference in New Issue
Block a user