Struct rustc_resolve::resolve_imports::ImportResolver[][src]

pub struct ImportResolver<'a, 'b: 'a> {
    pub resolver: &'a mut Resolver<'b>,
}
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Fields

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Methods

impl<'a, 'b: 'a> ImportResolver<'a, 'b>
[src]

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Resolves all imports for the crate. This method performs the fixed- point iteration.

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Attempts to resolve the given import, returning true if its resolution is determined. If successful, the resolved bindings are written into the module.

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Methods from Deref<Target = Resolver<'b>>

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Error if ext is a Macros 1.1 procedural macro being imported by #[macro_use]

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Defines name in namespace ns of module parent to be def if it is not yet defined; otherwise, reports an error.

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Constructs the reduced graph for one item.

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Constructs the reduced graph for one foreign item.

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Builds the reduced graph for a single item in an external crate.

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Ensures that the reduced graph rooted at the given external module is built, building it if it is not.

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Attempts to resolve ident in namespaces ns of module. Invariant: if record_used is Some, expansion and import resolution must be complete.

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Rustdoc uses this to resolve things in a recoverable way. ResolutionError<'a> isn't something that can be returned because it can't be made to live that long, and also it's a private type. Fortunately rustdoc doesn't need to know the error, just that an error occurred.

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resolve_hir_path, but takes a callback in case there was an error

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Runs the function on each namespace.

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Entry point to crate resolution.

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This resolves the identifier ident in the namespace ns in the current lexical scope. More specifically, we proceed up the hierarchy of scopes and return the binding for ident in the first scope that defines it (or None if no scopes define it).

A block's items are above its local variables in the scope hierarchy, regardless of where the items are defined in the block. For example,

fn f() {
   g(); // Since there are no local variables in scope yet, this resolves to the item.
   let g = || {};
   fn g() {}
   g(); // This resolves to the local variable `g` since it shadows the item.
}

Invariant: This must only be called during main resolution, not during import resolution.

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Searches the current set of local scopes for labels. Returns the first non-None label that is returned by the given predicate function

Stops after meeting a closure.

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For the most part, use trees are desugared into ImportDirective instances when building the reduced graph (see build_reduced_graph_for_use_tree). But there is one special case we handle here: an empty nested import like a::{b::{}}, which desugares into...no import directives.

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This is called to resolve a trait reference from an impl (i.e. impl Trait for Foo)

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A variant of smart_resolve_path where you also specify extra information about where the path came from; this extra info is sometimes needed for the lint that recommends rewriting absolute paths to crate, so that it knows how to frame the suggestion. If you are just resolving a path like foo::bar that appears...somewhere, though, then you just want CrateLint::SimplePath, which is what smart_resolve_path already provides.

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Handles paths that may refer to associated items.

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Important traits for Vec<u8>

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Important traits for Vec<u8>

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When name resolution fails, this method can be used to look up candidate entities with the expected name. It allows filtering them using the supplied predicate (which should be used to only accept the types of definitions expected e.g. traits). The lookup spans across all crates.

NOTE: The method does not look into imports, but this is not a problem, since we report the definitions (thus, the de-aliased imports).

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Trait Implementations

impl<'a, 'b: 'a> Deref for ImportResolver<'a, 'b>
[src]

The resulting type after dereferencing.

Dereferences the value.

impl<'a, 'b: 'a> DerefMut for ImportResolver<'a, 'b>
[src]

Mutably dereferences the value.

impl<'a, 'b: 'a> DefIdTree for &'a ImportResolver<'a, 'b>
[src]

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Auto Trait Implementations

impl<'a, 'b> !Send for ImportResolver<'a, 'b>

impl<'a, 'b> !Sync for ImportResolver<'a, 'b>