96 lines
2.5 KiB
Rust
96 lines
2.5 KiB
Rust
//! Intermediate representation for modules (AKA C++ namespaces).
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use super::context::BindgenContext;
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use super::dot::DotAttributes;
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use super::item::ItemSet;
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use crate::clang;
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use crate::parse::{ClangSubItemParser, ParseError, ParseResult};
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use crate::parse_one;
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use std::io;
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/// Whether this module is inline or not.
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#[derive(Debug, Copy, Clone, PartialEq, Eq)]
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pub(crate) enum ModuleKind {
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/// This module is not inline.
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Normal,
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/// This module is inline, as in `inline namespace foo {}`.
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Inline,
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}
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/// A module, as in, a C++ namespace.
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#[derive(Clone, Debug)]
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pub(crate) struct Module {
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/// The name of the module, or none if it's anonymous.
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name: Option<String>,
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/// The kind of module this is.
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kind: ModuleKind,
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/// The children of this module, just here for convenience.
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children: ItemSet,
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}
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impl Module {
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/// Construct a new `Module`.
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pub(crate) fn new(name: Option<String>, kind: ModuleKind) -> Self {
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Module {
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name,
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kind,
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children: ItemSet::new(),
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}
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}
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/// Get this module's name.
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pub(crate) fn name(&self) -> Option<&str> {
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self.name.as_deref()
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}
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/// Get a mutable reference to this module's children.
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pub(crate) fn children_mut(&mut self) -> &mut ItemSet {
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&mut self.children
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}
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/// Get this module's children.
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pub(crate) fn children(&self) -> &ItemSet {
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&self.children
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}
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/// Whether this namespace is inline.
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pub(crate) fn is_inline(&self) -> bool {
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self.kind == ModuleKind::Inline
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}
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}
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impl DotAttributes for Module {
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fn dot_attributes<W>(
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&self,
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_ctx: &BindgenContext,
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out: &mut W,
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) -> io::Result<()>
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where
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W: io::Write,
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{
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writeln!(out, "<tr><td>ModuleKind</td><td>{:?}</td></tr>", self.kind)
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}
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}
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impl ClangSubItemParser for Module {
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fn parse(
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cursor: clang::Cursor,
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ctx: &mut BindgenContext,
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) -> Result<ParseResult<Self>, ParseError> {
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use clang_sys::*;
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match cursor.kind() {
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CXCursor_Namespace => {
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let module_id = ctx.module(cursor);
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ctx.with_module(module_id, |ctx| {
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cursor.visit_sorted(ctx, |ctx, child| {
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parse_one(ctx, child, Some(module_id.into()))
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})
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});
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Ok(ParseResult::AlreadyResolved(module_id.into()))
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}
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_ => Err(ParseError::Continue),
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}
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}
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}
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