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https://github.com/rust-lang/rust-analyzer.git
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internal: Split out a span crate
This commit is contained in:
Lukas Wirth
parent
cfc959d73a
commit
66e29be1bd
50 changed files with 477 additions and 403 deletions
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@ -1,13 +1,11 @@
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//! Builtin macro
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use base_db::{
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span::{SpanAnchor, SpanData, SyntaxContextId, ROOT_ERASED_FILE_AST_ID},
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AnchoredPath, Edition, FileId,
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};
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use base_db::{AnchoredPath, Edition, FileId};
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use cfg::CfgExpr;
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use either::Either;
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use itertools::Itertools;
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use mbe::{parse_exprs_with_sep, parse_to_token_tree};
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use span::{Span, SpanAnchor, SyntaxContextId, ROOT_ERASED_FILE_AST_ID};
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use syntax::{
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ast::{self, AstToken},
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SmolStr,
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@ -122,7 +120,7 @@ register_builtin! {
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(option_env, OptionEnv) => option_env_expand
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}
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fn mk_pound(span: SpanData) -> tt::Subtree {
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fn mk_pound(span: Span) -> tt::Subtree {
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crate::quote::IntoTt::to_subtree(
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vec![crate::tt::Leaf::Punct(crate::tt::Punct {
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char: '#',
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@ -138,7 +136,7 @@ fn module_path_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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// Just return a dummy result.
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ExpandResult::ok(quote! {span =>
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@ -150,7 +148,7 @@ fn line_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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// dummy implementation for type-checking purposes
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// Note that `line!` and `column!` will never be implemented properly, as they are by definition
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@ -168,7 +166,7 @@ fn log_syntax_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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ExpandResult::ok(quote! {span =>})
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}
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@ -177,7 +175,7 @@ fn trace_macros_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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ExpandResult::ok(quote! {span =>})
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}
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@ -186,7 +184,7 @@ fn stringify_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let pretty = ::tt::pretty(&tt.token_trees);
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@ -201,7 +199,7 @@ fn assert_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let args = parse_exprs_with_sep(tt, ',');
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let dollar_crate = tt::Ident { text: SmolStr::new_inline("$crate"), span };
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@ -233,7 +231,7 @@ fn file_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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// FIXME: RA purposefully lacks knowledge of absolute file names
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// so just return "".
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@ -250,7 +248,7 @@ fn format_args_expand(
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db: &dyn ExpandDatabase,
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id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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format_args_expand_general(db, id, tt, "", span)
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}
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@ -259,7 +257,7 @@ fn format_args_nl_expand(
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db: &dyn ExpandDatabase,
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id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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format_args_expand_general(db, id, tt, "\\n", span)
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}
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@ -270,7 +268,7 @@ fn format_args_expand_general(
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tt: &tt::Subtree,
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// FIXME: Make use of this so that mir interpretation works properly
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_end_string: &str,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let pound = mk_pound(span);
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let mut tt = tt.clone();
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@ -284,7 +282,7 @@ fn asm_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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// We expand all assembly snippets to `format_args!` invocations to get format syntax
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// highlighting for them.
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@ -314,7 +312,7 @@ fn global_asm_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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// Expand to nothing (at item-level)
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ExpandResult::ok(quote! {span =>})
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@ -324,7 +322,7 @@ fn cfg_expand(
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db: &dyn ExpandDatabase,
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id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let loc = db.lookup_intern_macro_call(id);
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let expr = CfgExpr::parse(tt);
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@ -337,7 +335,7 @@ fn panic_expand(
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db: &dyn ExpandDatabase,
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id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let loc: MacroCallLoc = db.lookup_intern_macro_call(id);
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let dollar_crate = tt::Ident { text: SmolStr::new_inline("$crate"), span };
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@ -357,7 +355,7 @@ fn unreachable_expand(
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db: &dyn ExpandDatabase,
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id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let loc: MacroCallLoc = db.lookup_intern_macro_call(id);
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// Expand to a macro call `$crate::panic::unreachable_{edition}`
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@ -395,7 +393,7 @@ fn compile_error_expand(
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_db: &dyn ExpandDatabase,
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_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let err = match &*tt.token_trees {
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[tt::TokenTree::Leaf(tt::Leaf::Literal(it))] => match unquote_str(it) {
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@ -412,7 +410,7 @@ fn concat_expand(
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_db: &dyn ExpandDatabase,
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_arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let mut err = None;
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let mut text = String::new();
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@ -459,7 +457,7 @@ fn concat_bytes_expand(
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_db: &dyn ExpandDatabase,
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_arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let mut bytes = Vec::new();
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let mut err = None;
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@ -543,7 +541,7 @@ fn concat_idents_expand(
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_db: &dyn ExpandDatabase,
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_arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let mut err = None;
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let mut ident = String::new();
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@ -596,7 +594,7 @@ fn include_expand(
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db: &dyn ExpandDatabase,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let file_id = match include_input_to_file_id(db, arg_id, tt) {
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Ok(it) => it,
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@ -629,7 +627,7 @@ fn include_bytes_expand(
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_db: &dyn ExpandDatabase,
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_arg_id: MacroCallId,
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_tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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// FIXME: actually read the file here if the user asked for macro expansion
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let res = tt::Subtree {
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@ -646,7 +644,7 @@ fn include_str_expand(
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db: &dyn ExpandDatabase,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let path = match parse_string(tt) {
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Ok(it) => it,
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@ -681,7 +679,7 @@ fn env_expand(
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db: &dyn ExpandDatabase,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let key = match parse_string(tt) {
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Ok(it) => it,
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@ -713,7 +711,7 @@ fn option_env_expand(
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db: &dyn ExpandDatabase,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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span: SpanData,
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span: Span,
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) -> ExpandResult<tt::Subtree> {
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let key = match parse_string(tt) {
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Ok(it) => it,
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