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Move the API json dumper to use rls-data too

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This commit is contained in:
Nick Cameron 2017-03-15 09:48:36 +13:00
parent bf07f1c6bb
commit 979a9881ea
2 changed files with 147 additions and 314 deletions
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459
src/librustc_save_analysis/json_api_dumper.rs
View File

@ -10,15 +10,14 @@
use std::io::Write;
use rustc::hir::def_id::DefId;
use rustc_serialize::json::as_json;
use external_data::*;
use data::{VariableKind, Visibility, SigElement};
use data::{VariableKind, Visibility};
use dump::Dump;
use super::Format;
use json_dumper::id_from_def_id;
use rls_data::{SpanData, CratePreludeData};
use rls_data::{Analysis, Import, ImportKind, Def, DefKind, CratePreludeData};
// A dumper to dump a restricted set of JSON information, designed for use with
@ -26,8 +25,7 @@
// information here, and (for example) generate Rustdoc URLs, but don't need
// information for navigating the source of the crate.
// Relative to the regular JSON save-analysis info, this form is filtered to
// remove non-visible items, but includes some extra info for items (e.g., the
// parent field for finding the struct to which a field belongs).
// remove non-visible items.
pub struct JsonApiDumper<'b, W: Write + 'b> {
output: &'b mut W,
result: Analysis,
@ -50,7 +48,7 @@ fn drop(&mut self) {
macro_rules! impl_fn {
($fn_name: ident, $data_type: ident, $bucket: ident) => {
fn $fn_name(&mut self, data: $data_type) {
if let Some(datum) = From::from(data) {
if let Some(datum) = data.into() {
self.result.$bucket.push(datum);
}
}
@ -79,11 +77,11 @@ fn crate_prelude(&mut self, data: CratePreludeData) {
fn impl_data(&mut self, data: ImplData) {
if data.self_ref.is_some() {
self.result.relations.push(From::from(data));
self.result.relations.push(data.into());
}
}
fn inheritance(&mut self, data: InheritanceData) {
self.result.relations.push(From::from(data));
self.result.relations.push(data.into());
}
}
@ -92,426 +90,261 @@ fn inheritance(&mut self, data: InheritanceData) {
// method, but not the supplied method). In both cases, we are currently
// ignoring it.
#[derive(Debug, RustcEncodable)]
struct Analysis {
kind: Format,
prelude: Option<CratePreludeData>,
imports: Vec<Import>,
defs: Vec<Def>,
relations: Vec<Relation>,
// These two fields are dummies so that clients can parse the two kinds of
// JSON data in the same way.
refs: Vec<()>,
macro_refs: Vec<()>,
}
impl Analysis {
fn new() -> Analysis {
Analysis {
kind: Format::JsonApi,
prelude: None,
imports: vec![],
defs: vec![],
relations: vec![],
refs: vec![],
macro_refs: vec![],
}
}
}
// DefId::index is a newtype and so the JSON serialisation is ugly. Therefore
// we use our own Id which is the same, but without the newtype.
#[derive(Debug, RustcEncodable)]
struct Id {
krate: u32,
index: u32,
}
impl From<DefId> for Id {
fn from(id: DefId) -> Id {
Id {
krate: id.krate.as_u32(),
index: id.index.as_u32(),
}
}
}
#[derive(Debug, RustcEncodable)]
struct Import {
kind: ImportKind,
id: Id,
span: SpanData,
name: String,
value: String,
}
#[derive(Debug, RustcEncodable)]
enum ImportKind {
Use,
GlobUse,
}
impl From<UseData> for Option<Import> {
fn from(data: UseData) -> Option<Import> {
match data.visibility {
impl Into<Option<Import>> for UseData {
fn into(self) -> Option<Import> {
match self.visibility {
Visibility::Public => Some(Import {
kind: ImportKind::Use,
id: From::from(data.id),
span: data.span,
name: data.name,
ref_id: self.mod_id.map(|id| id_from_def_id(id)),
span: self.span,
name: self.name,
value: String::new(),
}),
_ => None,
}
}
}
impl From<UseGlobData> for Option<Import> {
fn from(data: UseGlobData) -> Option<Import> {
match data.visibility {
impl Into<Option<Import>> for UseGlobData {
fn into(self) -> Option<Import> {
match self.visibility {
Visibility::Public => Some(Import {
kind: ImportKind::GlobUse,
id: From::from(data.id),
span: data.span,
ref_id: None,
span: self.span,
name: "*".to_owned(),
value: data.names.join(", "),
value: self.names.join(", "),
}),
_ => None,
}
}
}
#[derive(Debug, RustcEncodable)]
struct Def {
kind: DefKind,
id: Id,
span: SpanData,
name: String,
qualname: String,
value: String,
parent: Option<Id>,
children: Vec<Id>,
decl_id: Option<Id>,
docs: String,
sig: Option<JsonSignature>,
}
#[derive(Debug, RustcEncodable)]
enum DefKind {
// value = variant names
Enum,
// value = enum name + variant name + types
Tuple,
// value = [enum name +] name + fields
Struct,
// value = signature
Trait,
// value = type + generics
Function,
// value = type + generics
Method,
// No id, no value.
Macro,
// value = file_name
Mod,
// value = aliased type
Type,
// value = type and init expression (for all variable kinds).
Static,
Const,
Field,
}
impl From<EnumData> for Option<Def> {
fn from(data: EnumData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for EnumData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Enum,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
parent: None,
children: data.variants.into_iter().map(|id| From::from(id)).collect(),
children: self.variants.into_iter().map(|id| id_from_def_id(id)).collect(),
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<TupleVariantData> for Option<Def> {
fn from(data: TupleVariantData) -> Option<Def> {
impl Into<Option<Def>> for TupleVariantData {
fn into(self) -> Option<Def> {
Some(Def {
kind: DefKind::Tuple,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
parent: data.parent.map(|id| From::from(id)),
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
parent: self.parent.map(|id| id_from_def_id(id)),
children: vec![],
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
})
}
}
impl From<StructVariantData> for Option<Def> {
fn from(data: StructVariantData) -> Option<Def> {
impl Into<Option<Def>> for StructVariantData {
fn into(self) -> Option<Def> {
Some(Def {
kind: DefKind::Struct,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
parent: data.parent.map(|id| From::from(id)),
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
parent: self.parent.map(|id| id_from_def_id(id)),
children: vec![],
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
})
}
}
impl From<StructData> for Option<Def> {
fn from(data: StructData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for StructData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Struct,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
parent: None,
children: data.fields.into_iter().map(|id| From::from(id)).collect(),
children: self.fields.into_iter().map(|id| id_from_def_id(id)).collect(),
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<TraitData> for Option<Def> {
fn from(data: TraitData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for TraitData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Trait,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
children: data.items.into_iter().map(|id| From::from(id)).collect(),
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
children: self.items.into_iter().map(|id| id_from_def_id(id)).collect(),
parent: None,
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<FunctionData> for Option<Def> {
fn from(data: FunctionData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for FunctionData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Function,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
children: vec![],
parent: data.parent.map(|id| From::from(id)),
parent: self.parent.map(|id| id_from_def_id(id)),
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<MethodData> for Option<Def> {
fn from(data: MethodData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for MethodData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Method,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
children: vec![],
parent: data.parent.map(|id| From::from(id)),
decl_id: data.decl_id.map(|id| From::from(id)),
docs: data.docs,
sig: Some(From::from(data.sig)),
parent: self.parent.map(|id| id_from_def_id(id)),
decl_id: self.decl_id.map(|id| id_from_def_id(id)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<MacroData> for Option<Def> {
fn from(data: MacroData) -> Option<Def> {
impl Into<Option<Def>> for MacroData {
fn into(self) -> Option<Def> {
Some(Def {
kind: DefKind::Macro,
id: From::from(null_def_id()),
span: data.span,
name: data.name,
qualname: data.qualname,
id: id_from_def_id(null_def_id()),
span: self.span,
name: self.name,
qualname: self.qualname,
value: String::new(),
children: vec![],
parent: None,
decl_id: None,
docs: data.docs,
docs: self.docs,
sig: None,
attributes: vec![],
})
}
}
impl From<ModData> for Option<Def> {
fn from(data:ModData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for ModData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Mod,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.filename,
children: data.items.into_iter().map(|id| From::from(id)).collect(),
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.filename,
children: self.items.into_iter().map(|id| id_from_def_id(id)).collect(),
parent: None,
decl_id: None,
docs: data.docs,
sig: Some(From::from(data.sig)),
docs: self.docs,
sig: Some(self.sig.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<TypeDefData> for Option<Def> {
fn from(data: TypeDefData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for TypeDefData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: DefKind::Type,
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
children: vec![],
parent: data.parent.map(|id| From::from(id)),
parent: self.parent.map(|id| id_from_def_id(id)),
decl_id: None,
docs: String::new(),
sig: data.sig.map(|s| From::from(s)),
sig: self.sig.map(|s| s.into()),
attributes: vec![],
}),
_ => None,
}
}
}
impl From<VariableData> for Option<Def> {
fn from(data: VariableData) -> Option<Def> {
match data.visibility {
impl Into<Option<Def>> for VariableData {
fn into(self) -> Option<Def> {
match self.visibility {
Visibility::Public => Some(Def {
kind: match data.kind {
kind: match self.kind {
VariableKind::Static => DefKind::Static,
VariableKind::Const => DefKind::Const,
VariableKind::Local => { return None }
VariableKind::Field => DefKind::Field,
},
id: From::from(data.id),
span: data.span,
name: data.name,
qualname: data.qualname,
value: data.value,
id: id_from_def_id(self.id),
span: self.span,
name: self.name,
qualname: self.qualname,
value: self.value,
children: vec![],
parent: data.parent.map(|id| From::from(id)),
parent: self.parent.map(|id| id_from_def_id(id)),
decl_id: None,
docs: data.docs,
sig: data.sig.map(|s| From::from(s)),
docs: self.docs,
sig: self.sig.map(|s| s.into()),
attributes: vec![],
}),
_ => None,
}
}
}
#[derive(Debug, RustcEncodable)]
struct Relation {
span: SpanData,
kind: RelationKind,
from: Id,
to: Id,
}
#[derive(Debug, RustcEncodable)]
enum RelationKind {
Impl,
SuperTrait,
}
impl From<ImplData> for Relation {
fn from(data: ImplData) -> Relation {
Relation {
span: data.span,
kind: RelationKind::Impl,
from: From::from(data.self_ref.unwrap_or(null_def_id())),
to: From::from(data.trait_ref.unwrap_or(null_def_id())),
}
}
}
impl From<InheritanceData> for Relation {
fn from(data: InheritanceData) -> Relation {
Relation {
span: data.span,
kind: RelationKind::SuperTrait,
from: From::from(data.base_id),
to: From::from(data.deriv_id),
}
}
}
#[derive(Debug, RustcEncodable)]
pub struct JsonSignature {
span: SpanData,
text: String,
ident_start: usize,
ident_end: usize,
defs: Vec<JsonSigElement>,
refs: Vec<JsonSigElement>,
}
impl From<Signature> for JsonSignature {
fn from(data: Signature) -> JsonSignature {
JsonSignature {
span: data.span,
text: data.text,
ident_start: data.ident_start,
ident_end: data.ident_end,
defs: data.defs.into_iter().map(|s| From::from(s)).collect(),
refs: data.refs.into_iter().map(|s| From::from(s)).collect(),
}
}
}
#[derive(Debug, RustcEncodable)]
pub struct JsonSigElement {
id: Id,
start: usize,
end: usize,
}
impl From<SigElement> for JsonSigElement {
fn from(data: SigElement) -> JsonSigElement {
JsonSigElement {
id: From::from(data.id),
start: data.start,
end: data.end,
}
}
}

2
src/librustc_save_analysis/json_dumper.rs
View File

@ -136,7 +136,7 @@ fn inheritance(&mut self, data: InheritanceData) {
// DefId::index is a newtype and so the JSON serialisation is ugly. Therefore
// we use our own Id which is the same, but without the newtype.
fn id_from_def_id(id: DefId) -> Id {
pub fn id_from_def_id(id: DefId) -> Id {
Id {
krate: id.krate.as_u32(),
index: id.index.as_u32(),