diff options
author | Ville Penttinen <[email protected]> | 2019-02-17 17:48:08 +0000 |
---|---|---|
committer | Ville Penttinen <[email protected]> | 2019-02-17 17:48:08 +0000 |
commit | 96e3ac389fbc3709cc6e7e8dbe25619daeb61f4b (patch) | |
tree | f92e14c1d9c09b8d1bc00d9135f43d3a6af4d7c1 | |
parent | 1c97c1ac11459d45f7bfc57dc72428d2b294520c (diff) |
Parse only outer_attributes for match arms for now
-rw-r--r-- | crates/ra_syntax/src/grammar/attributes.rs | 10 | ||||
-rw-r--r-- | crates/ra_syntax/src/grammar/expressions/atom.rs | 7 | ||||
-rw-r--r-- | crates/ra_syntax/tests/data/parser/err/0032_match_arms_inner_attrs.txt | 90 |
3 files changed, 60 insertions, 47 deletions
diff --git a/crates/ra_syntax/src/grammar/attributes.rs b/crates/ra_syntax/src/grammar/attributes.rs index 2624d2e16..cd30e8a45 100644 --- a/crates/ra_syntax/src/grammar/attributes.rs +++ b/crates/ra_syntax/src/grammar/attributes.rs | |||
@@ -1,15 +1,5 @@ | |||
1 | use super::*; | 1 | use super::*; |
2 | 2 | ||
3 | /// Parses both inner & outer attributes. | ||
4 | /// | ||
5 | /// Allowing to run validation for reporting errors | ||
6 | /// regarding attributes | ||
7 | pub(super) fn all_attributes(p: &mut Parser) { | ||
8 | while p.at(POUND) { | ||
9 | attribute(p, p.nth(1) == EXCL) | ||
10 | } | ||
11 | } | ||
12 | |||
13 | pub(super) fn inner_attributes(p: &mut Parser) { | 3 | pub(super) fn inner_attributes(p: &mut Parser) { |
14 | while p.current() == POUND && p.nth(1) == EXCL { | 4 | while p.current() == POUND && p.nth(1) == EXCL { |
15 | attribute(p, true) | 5 | attribute(p, true) |
diff --git a/crates/ra_syntax/src/grammar/expressions/atom.rs b/crates/ra_syntax/src/grammar/expressions/atom.rs index 67cd7e6b0..e74305b6a 100644 --- a/crates/ra_syntax/src/grammar/expressions/atom.rs +++ b/crates/ra_syntax/src/grammar/expressions/atom.rs | |||
@@ -331,11 +331,6 @@ pub(crate) fn match_arm_list(p: &mut Parser) { | |||
331 | continue; | 331 | continue; |
332 | } | 332 | } |
333 | 333 | ||
334 | // This may result in invalid attributes | ||
335 | // if there are inner attributes mixed in together | ||
336 | // with the outer attributes, but we allow parsing | ||
337 | // those so we can run validation and report better errors | ||
338 | |||
339 | // test match_arms_outer_attributes | 334 | // test match_arms_outer_attributes |
340 | // fn foo() { | 335 | // fn foo() { |
341 | // match () { | 336 | // match () { |
@@ -349,7 +344,7 @@ pub(crate) fn match_arm_list(p: &mut Parser) { | |||
349 | // _ => (), | 344 | // _ => (), |
350 | // } | 345 | // } |
351 | // } | 346 | // } |
352 | attributes::all_attributes(p); | 347 | attributes::outer_attributes(p); |
353 | 348 | ||
354 | // test match_arms_commas | 349 | // test match_arms_commas |
355 | // fn foo() { | 350 | // fn foo() { |
diff --git a/crates/ra_syntax/tests/data/parser/err/0032_match_arms_inner_attrs.txt b/crates/ra_syntax/tests/data/parser/err/0032_match_arms_inner_attrs.txt index b3ff36364..b7543abc9 100644 --- a/crates/ra_syntax/tests/data/parser/err/0032_match_arms_inner_attrs.txt +++ b/crates/ra_syntax/tests/data/parser/err/0032_match_arms_inner_attrs.txt | |||
@@ -33,18 +33,29 @@ SOURCE_FILE@[0; 293) | |||
33 | R_PAREN@[40; 41) | 33 | R_PAREN@[40; 41) |
34 | COMMA@[41; 42) | 34 | COMMA@[41; 42) |
35 | WHITESPACE@[42; 51) | 35 | WHITESPACE@[42; 51) |
36 | err: `Inner attributes are only allowed directly after the opening brace of the match expression` | 36 | ATTR@[51; 52) |
37 | ATTR@[51; 78) | ||
38 | POUND@[51; 52) | 37 | POUND@[51; 52) |
39 | EXCL@[52; 53) | 38 | err: `expected `[`` |
40 | TOKEN_TREE@[53; 78) | 39 | err: `expected pattern` |
40 | MATCH_ARM@[52; 78) | ||
41 | ERROR@[52; 53) | ||
42 | EXCL@[52; 53) | ||
43 | err: `expected FAT_ARROW` | ||
44 | ARRAY_EXPR@[53; 78) | ||
41 | L_BRACK@[53; 54) | 45 | L_BRACK@[53; 54) |
42 | IDENT@[54; 57) "doc" | 46 | CALL_EXPR@[54; 77) |
43 | TOKEN_TREE@[57; 77) | 47 | PATH_EXPR@[54; 57) |
44 | L_PAREN@[57; 58) | 48 | PATH@[54; 57) |
45 | STRING@[58; 76) | 49 | PATH_SEGMENT@[54; 57) |
46 | R_PAREN@[76; 77) | 50 | NAME_REF@[54; 57) |
51 | IDENT@[54; 57) "doc" | ||
52 | ARG_LIST@[57; 77) | ||
53 | L_PAREN@[57; 58) | ||
54 | LITERAL@[58; 76) | ||
55 | STRING@[58; 76) | ||
56 | R_PAREN@[76; 77) | ||
47 | R_BRACK@[77; 78) | 57 | R_BRACK@[77; 78) |
58 | err: `expected COMMA` | ||
48 | WHITESPACE@[78; 87) | 59 | WHITESPACE@[78; 87) |
49 | MATCH_ARM@[87; 94) | 60 | MATCH_ARM@[87; 94) |
50 | PLACEHOLDER_PAT@[87; 88) | 61 | PLACEHOLDER_PAT@[87; 88) |
@@ -92,23 +103,29 @@ SOURCE_FILE@[0; 293) | |||
92 | R_PAREN@[149; 150) | 103 | R_PAREN@[149; 150) |
93 | COMMA@[150; 151) | 104 | COMMA@[150; 151) |
94 | WHITESPACE@[151; 160) | 105 | WHITESPACE@[151; 160) |
95 | err: `Inner attributes are only allowed directly after the opening brace of the match expression` | 106 | ATTR@[160; 161) |
96 | ATTR@[160; 179) | ||
97 | POUND@[160; 161) | 107 | POUND@[160; 161) |
98 | EXCL@[161; 162) | 108 | err: `expected `[`` |
99 | TOKEN_TREE@[162; 179) | 109 | err: `expected pattern` |
110 | MATCH_ARM@[161; 179) | ||
111 | ERROR@[161; 162) | ||
112 | EXCL@[161; 162) | ||
113 | err: `expected FAT_ARROW` | ||
114 | ARRAY_EXPR@[162; 179) | ||
100 | L_BRACK@[162; 163) | 115 | L_BRACK@[162; 163) |
101 | IDENT@[163; 166) "doc" | 116 | CALL_EXPR@[163; 178) |
102 | TOKEN_TREE@[166; 178) | 117 | PATH_EXPR@[163; 166) |
103 | L_PAREN@[166; 167) | 118 | PATH@[163; 166) |
104 | STRING@[167; 177) | 119 | PATH_SEGMENT@[163; 166) |
105 | R_PAREN@[177; 178) | 120 | NAME_REF@[163; 166) |
121 | IDENT@[163; 166) "doc" | ||
122 | ARG_LIST@[166; 178) | ||
123 | L_PAREN@[166; 167) | ||
124 | LITERAL@[167; 177) | ||
125 | STRING@[167; 177) | ||
126 | R_PAREN@[177; 178) | ||
106 | R_BRACK@[178; 179) | 127 | R_BRACK@[178; 179) |
107 | WHITESPACE@[179; 184) | 128 | WHITESPACE@[179; 184) |
108 | err: `expected pattern` | ||
109 | err: `expected FAT_ARROW` | ||
110 | err: `expected expression` | ||
111 | MATCH_ARM@[184; 184) | ||
112 | R_CURLY@[184; 185) | 129 | R_CURLY@[184; 185) |
113 | WHITESPACE@[185; 191) | 130 | WHITESPACE@[185; 191) |
114 | MATCH_EXPR@[191; 290) | 131 | MATCH_EXPR@[191; 290) |
@@ -132,18 +149,29 @@ SOURCE_FILE@[0; 293) | |||
132 | R_PAREN@[220; 221) | 149 | R_PAREN@[220; 221) |
133 | R_BRACK@[221; 222) | 150 | R_BRACK@[221; 222) |
134 | WHITESPACE@[222; 231) | 151 | WHITESPACE@[222; 231) |
135 | err: `Inner attributes are only allowed directly after the opening brace of the match expression` | 152 | ATTR@[231; 232) |
136 | ATTR@[231; 250) | ||
137 | POUND@[231; 232) | 153 | POUND@[231; 232) |
138 | EXCL@[232; 233) | 154 | err: `expected `[`` |
139 | TOKEN_TREE@[233; 250) | 155 | err: `expected pattern` |
156 | MATCH_ARM@[232; 250) | ||
157 | ERROR@[232; 233) | ||
158 | EXCL@[232; 233) | ||
159 | err: `expected FAT_ARROW` | ||
160 | ARRAY_EXPR@[233; 250) | ||
140 | L_BRACK@[233; 234) | 161 | L_BRACK@[233; 234) |
141 | IDENT@[234; 237) "doc" | 162 | CALL_EXPR@[234; 249) |
142 | TOKEN_TREE@[237; 249) | 163 | PATH_EXPR@[234; 237) |
143 | L_PAREN@[237; 238) | 164 | PATH@[234; 237) |
144 | STRING@[238; 248) | 165 | PATH_SEGMENT@[234; 237) |
145 | R_PAREN@[248; 249) | 166 | NAME_REF@[234; 237) |
167 | IDENT@[234; 237) "doc" | ||
168 | ARG_LIST@[237; 249) | ||
169 | L_PAREN@[237; 238) | ||
170 | LITERAL@[238; 248) | ||
171 | STRING@[238; 248) | ||
172 | R_PAREN@[248; 249) | ||
146 | R_BRACK@[249; 250) | 173 | R_BRACK@[249; 250) |
174 | err: `expected COMMA` | ||
147 | WHITESPACE@[250; 259) | 175 | WHITESPACE@[250; 259) |
148 | MATCH_ARM@[259; 266) | 176 | MATCH_ARM@[259; 266) |
149 | PLACEHOLDER_PAT@[259; 260) | 177 | PLACEHOLDER_PAT@[259; 260) |