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-rw-r--r--crates/hir_expand/src/builtin_macro.rs1
-rw-r--r--crates/hir_expand/src/db.rs71
-rw-r--r--crates/hir_expand/src/eager.rs7
-rw-r--r--crates/hir_expand/src/lib.rs68
4 files changed, 84 insertions, 63 deletions
diff --git a/crates/hir_expand/src/builtin_macro.rs b/crates/hir_expand/src/builtin_macro.rs
index 0142a06ed..af9802144 100644
--- a/crates/hir_expand/src/builtin_macro.rs
+++ b/crates/hir_expand/src/builtin_macro.rs
@@ -578,6 +578,7 @@ mod tests {
578 krate, 578 krate,
579 kind: MacroCallKind::FnLike { 579 kind: MacroCallKind::FnLike {
580 ast_id: AstId::new(file_id.into(), ast_id_map.ast_id(&macro_call)), 580 ast_id: AstId::new(file_id.into(), ast_id_map.ast_id(&macro_call)),
581 fragment: FragmentKind::Expr,
581 }, 582 },
582 }; 583 };
583 584
diff --git a/crates/hir_expand/src/db.rs b/crates/hir_expand/src/db.rs
index d61f4b31a..6647e57e7 100644
--- a/crates/hir_expand/src/db.rs
+++ b/crates/hir_expand/src/db.rs
@@ -8,9 +8,7 @@ use parser::FragmentKind;
8use syntax::{ 8use syntax::{
9 algo::diff, 9 algo::diff,
10 ast::{self, NameOwner}, 10 ast::{self, NameOwner},
11 AstNode, GreenNode, Parse, 11 AstNode, GreenNode, Parse, SyntaxNode, SyntaxToken,
12 SyntaxKind::*,
13 SyntaxNode, SyntaxToken,
14}; 12};
15 13
16use crate::{ 14use crate::{
@@ -160,7 +158,7 @@ pub fn expand_hypothetical(
160 158
161 let hypothetical_expansion = macro_def.expand(db, lazy_id, &tt); 159 let hypothetical_expansion = macro_def.expand(db, lazy_id, &tt);
162 160
163 let fragment_kind = to_fragment_kind(db, actual_macro_call); 161 let fragment_kind = macro_fragment_kind(db, actual_macro_call);
164 162
165 let (node, tmap_2) = 163 let (node, tmap_2) =
166 mbe::token_tree_to_syntax_node(&hypothetical_expansion.value, fragment_kind).ok()?; 164 mbe::token_tree_to_syntax_node(&hypothetical_expansion.value, fragment_kind).ok()?;
@@ -226,7 +224,7 @@ fn parse_macro_expansion(
226 None => return ExpandResult { value: None, err: result.err }, 224 None => return ExpandResult { value: None, err: result.err },
227 }; 225 };
228 226
229 let fragment_kind = to_fragment_kind(db, macro_file.macro_call_id); 227 let fragment_kind = macro_fragment_kind(db, macro_file.macro_call_id);
230 228
231 log::debug!("expanded = {}", tt.as_debug_string()); 229 log::debug!("expanded = {}", tt.as_debug_string());
232 log::debug!("kind = {:?}", fragment_kind); 230 log::debug!("kind = {:?}", fragment_kind);
@@ -427,62 +425,15 @@ fn hygiene_frame(db: &dyn AstDatabase, file_id: HirFileId) -> Arc<HygieneFrame>
427 Arc::new(HygieneFrame::new(db, file_id)) 425 Arc::new(HygieneFrame::new(db, file_id))
428} 426}
429 427
430/// Given a `MacroCallId`, return what `FragmentKind` it belongs to. 428fn macro_fragment_kind(db: &dyn AstDatabase, id: MacroCallId) -> FragmentKind {
431/// FIXME: Not completed 429 match id {
432fn to_fragment_kind(db: &dyn AstDatabase, id: MacroCallId) -> FragmentKind { 430 MacroCallId::LazyMacro(id) => {
433 let lazy_id = match id { 431 let loc: MacroCallLoc = db.lookup_intern_macro(id);
434 MacroCallId::LazyMacro(id) => id, 432 loc.kind.fragment_kind()
435 MacroCallId::EagerMacro(id) => {
436 return db.lookup_intern_eager_expansion(id).fragment;
437 }
438 };
439 let syn = db.lookup_intern_macro(lazy_id).kind.node(db).value;
440
441 let parent = match syn.parent() {
442 Some(it) => it,
443 None => return FragmentKind::Statements,
444 };
445
446 match parent.kind() {
447 MACRO_ITEMS | SOURCE_FILE => FragmentKind::Items,
448 MACRO_STMTS => FragmentKind::Statements,
449 MACRO_PAT => FragmentKind::Pattern,
450 MACRO_TYPE => FragmentKind::Type,
451 ITEM_LIST => FragmentKind::Items,
452 LET_STMT => {
453 // FIXME: Handle LHS Pattern
454 FragmentKind::Expr
455 } 433 }
456 EXPR_STMT => FragmentKind::Statements, 434 MacroCallId::EagerMacro(id) => {
457 BLOCK_EXPR => FragmentKind::Statements, 435 let loc: EagerCallLoc = db.lookup_intern_eager_expansion(id);
458 ARG_LIST => FragmentKind::Expr, 436 loc.fragment
459 TRY_EXPR => FragmentKind::Expr,
460 TUPLE_EXPR => FragmentKind::Expr,
461 PAREN_EXPR => FragmentKind::Expr,
462 ARRAY_EXPR => FragmentKind::Expr,
463 FOR_EXPR => FragmentKind::Expr,
464 PATH_EXPR => FragmentKind::Expr,
465 CLOSURE_EXPR => FragmentKind::Expr,
466 CONDITION => FragmentKind::Expr,
467 BREAK_EXPR => FragmentKind::Expr,
468 RETURN_EXPR => FragmentKind::Expr,
469 MATCH_EXPR => FragmentKind::Expr,
470 MATCH_ARM => FragmentKind::Expr,
471 MATCH_GUARD => FragmentKind::Expr,
472 RECORD_EXPR_FIELD => FragmentKind::Expr,
473 CALL_EXPR => FragmentKind::Expr,
474 INDEX_EXPR => FragmentKind::Expr,
475 METHOD_CALL_EXPR => FragmentKind::Expr,
476 FIELD_EXPR => FragmentKind::Expr,
477 AWAIT_EXPR => FragmentKind::Expr,
478 CAST_EXPR => FragmentKind::Expr,
479 REF_EXPR => FragmentKind::Expr,
480 PREFIX_EXPR => FragmentKind::Expr,
481 RANGE_EXPR => FragmentKind::Expr,
482 BIN_EXPR => FragmentKind::Expr,
483 _ => {
484 // Unknown , Just guess it is `Items`
485 FragmentKind::Items
486 } 437 }
487 } 438 }
488} 439}
diff --git a/crates/hir_expand/src/eager.rs b/crates/hir_expand/src/eager.rs
index f12132f84..85491fe8b 100644
--- a/crates/hir_expand/src/eager.rs
+++ b/crates/hir_expand/src/eager.rs
@@ -175,8 +175,13 @@ fn lazy_expand(
175) -> ExpandResult<Option<InFile<SyntaxNode>>> { 175) -> ExpandResult<Option<InFile<SyntaxNode>>> {
176 let ast_id = db.ast_id_map(macro_call.file_id).ast_id(&macro_call.value); 176 let ast_id = db.ast_id_map(macro_call.file_id).ast_id(&macro_call.value);
177 177
178 let fragment = crate::to_fragment_kind(&macro_call.value);
178 let id: MacroCallId = def 179 let id: MacroCallId = def
179 .as_lazy_macro(db, krate, MacroCallKind::FnLike { ast_id: macro_call.with_value(ast_id) }) 180 .as_lazy_macro(
181 db,
182 krate,
183 MacroCallKind::FnLike { ast_id: macro_call.with_value(ast_id), fragment },
184 )
180 .into(); 185 .into();
181 186
182 let err = db.macro_expand_error(id); 187 let err = db.macro_expand_error(id);
diff --git a/crates/hir_expand/src/lib.rs b/crates/hir_expand/src/lib.rs
index 0402640de..80ab3aeee 100644
--- a/crates/hir_expand/src/lib.rs
+++ b/crates/hir_expand/src/lib.rs
@@ -16,7 +16,9 @@ pub mod quote;
16pub mod eager; 16pub mod eager;
17 17
18use either::Either; 18use either::Either;
19
19pub use mbe::{ExpandError, ExpandResult}; 20pub use mbe::{ExpandError, ExpandResult};
21pub use parser::FragmentKind;
20 22
21use std::hash::Hash; 23use std::hash::Hash;
22use std::sync::Arc; 24use std::sync::Arc;
@@ -290,7 +292,7 @@ pub struct MacroCallLoc {
290 292
291#[derive(Debug, Clone, PartialEq, Eq, Hash)] 293#[derive(Debug, Clone, PartialEq, Eq, Hash)]
292pub enum MacroCallKind { 294pub enum MacroCallKind {
293 FnLike { ast_id: AstId<ast::MacroCall> }, 295 FnLike { ast_id: AstId<ast::MacroCall>, fragment: FragmentKind },
294 Derive { ast_id: AstId<ast::Item>, derive_name: String, derive_attr: AttrId }, 296 Derive { ast_id: AstId<ast::Item>, derive_name: String, derive_attr: AttrId },
295} 297}
296 298
@@ -324,6 +326,13 @@ impl MacroCallKind {
324 MacroCallKind::Derive { ast_id, .. } => Some(ast_id.to_node(db).syntax().clone()), 326 MacroCallKind::Derive { ast_id, .. } => Some(ast_id.to_node(db).syntax().clone()),
325 } 327 }
326 } 328 }
329
330 fn fragment_kind(&self) -> FragmentKind {
331 match self {
332 MacroCallKind::FnLike { fragment, .. } => *fragment,
333 MacroCallKind::Derive { .. } => FragmentKind::Items,
334 }
335 }
327} 336}
328 337
329impl MacroCallId { 338impl MacroCallId {
@@ -357,7 +366,6 @@ pub struct ExpansionInfo {
357} 366}
358 367
359pub use mbe::Origin; 368pub use mbe::Origin;
360use parser::FragmentKind;
361 369
362impl ExpansionInfo { 370impl ExpansionInfo {
363 pub fn call_node(&self) -> Option<InFile<SyntaxNode>> { 371 pub fn call_node(&self) -> Option<InFile<SyntaxNode>> {
@@ -562,3 +570,59 @@ impl<N: AstNode> InFile<N> {
562 self.with_value(self.value.syntax()) 570 self.with_value(self.value.syntax())
563 } 571 }
564} 572}
573
574/// Given a `MacroCallId`, return what `FragmentKind` it belongs to.
575/// FIXME: Not completed
576pub fn to_fragment_kind(call: &ast::MacroCall) -> FragmentKind {
577 use syntax::SyntaxKind::*;
578
579 let syn = call.syntax();
580
581 let parent = match syn.parent() {
582 Some(it) => it,
583 None => return FragmentKind::Statements,
584 };
585
586 match parent.kind() {
587 MACRO_ITEMS | SOURCE_FILE => FragmentKind::Items,
588 MACRO_STMTS => FragmentKind::Statements,
589 MACRO_PAT => FragmentKind::Pattern,
590 MACRO_TYPE => FragmentKind::Type,
591 ITEM_LIST => FragmentKind::Items,
592 LET_STMT => {
593 // FIXME: Handle LHS Pattern
594 FragmentKind::Expr
595 }
596 EXPR_STMT => FragmentKind::Statements,
597 BLOCK_EXPR => FragmentKind::Statements,
598 ARG_LIST => FragmentKind::Expr,
599 TRY_EXPR => FragmentKind::Expr,
600 TUPLE_EXPR => FragmentKind::Expr,
601 PAREN_EXPR => FragmentKind::Expr,
602 ARRAY_EXPR => FragmentKind::Expr,
603 FOR_EXPR => FragmentKind::Expr,
604 PATH_EXPR => FragmentKind::Expr,
605 CLOSURE_EXPR => FragmentKind::Expr,
606 CONDITION => FragmentKind::Expr,
607 BREAK_EXPR => FragmentKind::Expr,
608 RETURN_EXPR => FragmentKind::Expr,
609 MATCH_EXPR => FragmentKind::Expr,
610 MATCH_ARM => FragmentKind::Expr,
611 MATCH_GUARD => FragmentKind::Expr,
612 RECORD_EXPR_FIELD => FragmentKind::Expr,
613 CALL_EXPR => FragmentKind::Expr,
614 INDEX_EXPR => FragmentKind::Expr,
615 METHOD_CALL_EXPR => FragmentKind::Expr,
616 FIELD_EXPR => FragmentKind::Expr,
617 AWAIT_EXPR => FragmentKind::Expr,
618 CAST_EXPR => FragmentKind::Expr,
619 REF_EXPR => FragmentKind::Expr,
620 PREFIX_EXPR => FragmentKind::Expr,
621 RANGE_EXPR => FragmentKind::Expr,
622 BIN_EXPR => FragmentKind::Expr,
623 _ => {
624 // Unknown , Just guess it is `Items`
625 FragmentKind::Items
626 }
627 }
628}