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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2019-10-08 09:44:26 +0100
committerGitHub <[email protected]>2019-10-08 09:44:26 +0100
commitd9338dfa98964c0dac8fc082c3d9201807feced0 (patch)
tree2e1f841be60665df9e5c61845fb49e93a6332c68 /crates/ra_syntax/test_data
parent523d7d2c8210b382146c76927e93f1cc8a6d31e2 (diff)
parentb4fe06bc17127b6007114a8ba8bf876fdef112e0 (diff)
Merge #1951
1951: Lower the precedence of the `as` operator. r=matklad a=goffrie Previously, the `as` operator was being parsed like a postfix expression, and therefore being given the highest possible precedence. That caused it to bind more tightly than prefix operators, which it should not. Instead, parse it somewhat like a normal binary expression with some special-casing. Fixes #1851. Co-authored-by: Geoffry Song <[email protected]>
Diffstat (limited to 'crates/ra_syntax/test_data')
-rw-r--r--crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rs3
-rw-r--r--crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.txt43
-rw-r--r--crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rs7
-rw-r--r--crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.txt97
4 files changed, 150 insertions, 0 deletions
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rs b/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rs
new file mode 100644
index 000000000..a06dec1fa
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rs
@@ -0,0 +1,3 @@
1fn foo() {
2 let _ = &1 as *const i32;
3}
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.txt b/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.txt
new file mode 100644
index 000000000..9e3767fb7
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.txt
@@ -0,0 +1,43 @@
1SOURCE_FILE@[0; 43)
2 FN_DEF@[0; 42)
3 FN_KW@[0; 2) "fn"
4 WHITESPACE@[2; 3) " "
5 NAME@[3; 6)
6 IDENT@[3; 6) "foo"
7 PARAM_LIST@[6; 8)
8 L_PAREN@[6; 7) "("
9 R_PAREN@[7; 8) ")"
10 WHITESPACE@[8; 9) " "
11 BLOCK_EXPR@[9; 42)
12 BLOCK@[9; 42)
13 L_CURLY@[9; 10) "{"
14 WHITESPACE@[10; 15) "\n "
15 LET_STMT@[15; 40)
16 LET_KW@[15; 18) "let"
17 WHITESPACE@[18; 19) " "
18 PLACEHOLDER_PAT@[19; 20)
19 UNDERSCORE@[19; 20) "_"
20 WHITESPACE@[20; 21) " "
21 EQ@[21; 22) "="
22 WHITESPACE@[22; 23) " "
23 CAST_EXPR@[23; 39)
24 REF_EXPR@[23; 25)
25 AMP@[23; 24) "&"
26 LITERAL@[24; 25)
27 INT_NUMBER@[24; 25) "1"
28 WHITESPACE@[25; 26) " "
29 AS_KW@[26; 28) "as"
30 WHITESPACE@[28; 29) " "
31 POINTER_TYPE@[29; 39)
32 STAR@[29; 30) "*"
33 CONST_KW@[30; 35) "const"
34 WHITESPACE@[35; 36) " "
35 PATH_TYPE@[36; 39)
36 PATH@[36; 39)
37 PATH_SEGMENT@[36; 39)
38 NAME_REF@[36; 39)
39 IDENT@[36; 39) "i32"
40 SEMI@[39; 40) ";"
41 WHITESPACE@[40; 41) "\n"
42 R_CURLY@[41; 42) "}"
43 WHITESPACE@[42; 43) "\n"
diff --git a/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rs b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rs
new file mode 100644
index 000000000..100fccc64
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rs
@@ -0,0 +1,7 @@
1fn foo() {
2 1 + *&2 + 3;
3 *&1 as u64;
4 *x(1);
5 &x[1];
6 -1..2;
7}
diff --git a/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.txt b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.txt
new file mode 100644
index 000000000..d30cb63ff
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.txt
@@ -0,0 +1,97 @@
1SOURCE_FILE@[0; 79)
2 FN_DEF@[0; 78)
3 FN_KW@[0; 2) "fn"
4 WHITESPACE@[2; 3) " "
5 NAME@[3; 6)
6 IDENT@[3; 6) "foo"
7 PARAM_LIST@[6; 8)
8 L_PAREN@[6; 7) "("
9 R_PAREN@[7; 8) ")"
10 WHITESPACE@[8; 9) " "
11 BLOCK_EXPR@[9; 78)
12 BLOCK@[9; 78)
13 L_CURLY@[9; 10) "{"
14 WHITESPACE@[10; 15) "\n "
15 EXPR_STMT@[15; 27)
16 BIN_EXPR@[15; 26)
17 BIN_EXPR@[15; 22)
18 LITERAL@[15; 16)
19 INT_NUMBER@[15; 16) "1"
20 WHITESPACE@[16; 17) " "
21 PLUS@[17; 18) "+"
22 WHITESPACE@[18; 19) " "
23 PREFIX_EXPR@[19; 22)
24 STAR@[19; 20) "*"
25 REF_EXPR@[20; 22)
26 AMP@[20; 21) "&"
27 LITERAL@[21; 22)
28 INT_NUMBER@[21; 22) "2"
29 WHITESPACE@[22; 23) " "
30 PLUS@[23; 24) "+"
31 WHITESPACE@[24; 25) " "
32 LITERAL@[25; 26)
33 INT_NUMBER@[25; 26) "3"
34 SEMI@[26; 27) ";"
35 WHITESPACE@[27; 32) "\n "
36 EXPR_STMT@[32; 43)
37 CAST_EXPR@[32; 42)
38 PREFIX_EXPR@[32; 35)
39 STAR@[32; 33) "*"
40 REF_EXPR@[33; 35)
41 AMP@[33; 34) "&"
42 LITERAL@[34; 35)
43 INT_NUMBER@[34; 35) "1"
44 WHITESPACE@[35; 36) " "
45 AS_KW@[36; 38) "as"
46 WHITESPACE@[38; 39) " "
47 PATH_TYPE@[39; 42)
48 PATH@[39; 42)
49 PATH_SEGMENT@[39; 42)
50 NAME_REF@[39; 42)
51 IDENT@[39; 42) "u64"
52 SEMI@[42; 43) ";"
53 WHITESPACE@[43; 48) "\n "
54 EXPR_STMT@[48; 54)
55 PREFIX_EXPR@[48; 53)
56 STAR@[48; 49) "*"
57 CALL_EXPR@[49; 53)
58 PATH_EXPR@[49; 50)
59 PATH@[49; 50)
60 PATH_SEGMENT@[49; 50)
61 NAME_REF@[49; 50)
62 IDENT@[49; 50) "x"
63 ARG_LIST@[50; 53)
64 L_PAREN@[50; 51) "("
65 LITERAL@[51; 52)
66 INT_NUMBER@[51; 52) "1"
67 R_PAREN@[52; 53) ")"
68 SEMI@[53; 54) ";"
69 WHITESPACE@[54; 59) "\n "
70 EXPR_STMT@[59; 65)
71 REF_EXPR@[59; 64)
72 AMP@[59; 60) "&"
73 INDEX_EXPR@[60; 64)
74 PATH_EXPR@[60; 61)
75 PATH@[60; 61)
76 PATH_SEGMENT@[60; 61)
77 NAME_REF@[60; 61)
78 IDENT@[60; 61) "x"
79 L_BRACK@[61; 62) "["
80 LITERAL@[62; 63)
81 INT_NUMBER@[62; 63) "1"
82 R_BRACK@[63; 64) "]"
83 SEMI@[64; 65) ";"
84 WHITESPACE@[65; 70) "\n "
85 EXPR_STMT@[70; 76)
86 RANGE_EXPR@[70; 75)
87 PREFIX_EXPR@[70; 72)
88 MINUS@[70; 71) "-"
89 LITERAL@[71; 72)
90 INT_NUMBER@[71; 72) "1"
91 DOTDOT@[72; 74) ".."
92 LITERAL@[74; 75)
93 INT_NUMBER@[74; 75) "2"
94 SEMI@[75; 76) ";"
95 WHITESPACE@[76; 77) "\n"
96 R_CURLY@[77; 78) "}"
97 WHITESPACE@[78; 79) "\n"
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