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Revert "Simplify handling of '.' and '-' after unbracketed named references."

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This reverts commit bf3e44fe46.

See discussion following
<http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00030.html>.
This commit is contained in:
Joel E. Denny
2011-01-29 10:58:03 -05:00
parent fe3cae17a1
commit 676997e53b
7 changed files with 159 additions and 147 deletions
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70
tests/named-refs.at
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@@ -279,9 +279,11 @@ start: foo foo.bar { $foo.bar; }
foo: '1'
foo.bar: '2'
]])
AT_BISON_CHECK([-o test.c test.y])
AT_CHECK([if $CC $CFLAGS $CPPFLAGS test.c; then false; else true; fi],
[0], [ignore], [ignore])
AT_BISON_CHECK([-o test.c test.y], 0, [],
[[test.y:11.22-29: warning: misleading reference: `$foo.bar'
test.y:11.8-10: warning: refers to: $foo at $1
test.y:11.12-18: warning: possibly meant: $[foo.bar] at $2
]])
AT_CLEANUP
#######################################################################
@@ -356,33 +358,43 @@ factor: '(' expr ')' { $$ = $2; }
AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:24.36-41: invalid reference: `$cond1'
test.y:23.11-24.62: symbol not found in production: cond1
test.y:26.43-47: invalid reference: `$stmt'
test.y:26.43-53: invalid reference: `$stmt.field'
test.y:25.11-26.60: symbol not found in production: stmt
test.y:25.35-38: possibly meant: $then, hiding $stmt at $4
test.y:28.43-47: invalid reference: `$stmt'
test.y:25.35-38: possibly meant: $then.field, hiding $stmt.field at $4
test.y:28.43-52: invalid reference: `$stmt.list'
test.y:27.11-28.59: symbol not found in production: stmt
test.y:27.30-38: possibly meant: $[stmt.list] at $4
test.y:30.43-46: ambiguous reference: `$xyz'
test.y:29.35-37: refers to: $xyz at $4
test.y:29.50-52: refers to: $xyz at $6
test.y:32.43-47: invalid reference: `$stmt'
test.y:32.43-52: invalid reference: `$stmt.list'
test.y:31.11-32.63: symbol not found in production: stmt
test.y:34.43-47: invalid reference: `$stmt'
test.y:31.40-43: possibly meant: $then, hiding $[stmt.list] at $4
test.y:31.61-64: possibly meant: $else, hiding $[stmt.list] at $6
test.y:34.43-58: invalid reference: `$stmt.list.field'
test.y:33.11-34.69: symbol not found in production: stmt
test.y:33.40-43: possibly meant: $then.field, hiding $[stmt.list].field at $4
test.y:33.61-64: possibly meant: $else.field, hiding $[stmt.list].field at $6
test.y:36.43-54: invalid reference: `$[stmt.list]'
test.y:35.11-36.71: symbol not found in production: stmt.list
test.y:35.40-43: possibly meant: $then, hiding $[stmt.list] at $4
test.y:35.61-64: possibly meant: $else, hiding $[stmt.list] at $6
test.y:38.43-47: invalid reference: `$then'
test.y:38.43-49: invalid reference: `$then.1'
test.y:37.11-38.60: symbol not found in production: then
test.y:40.43-47: invalid reference: `$then'
test.y:37.40-45: possibly meant: $[then.1] at $4
test.y:40.43-55: invalid reference: `$then.1.field'
test.y:39.11-40.66: symbol not found in production: then
test.y:42.44-48: invalid reference: `$stmt'
test.y:39.40-45: possibly meant: $[then.1].field at $4
test.y:42.44-50: invalid reference: `$stmt.x'
test.y:41.12-42.57: symbol not found in production: stmt
test.y:41.36-41: possibly meant: $[stmt.x], hiding $stmt at $4
test.y:44.13-15: invalid reference: `$if'
test.y:41.36-41: possibly meant: $[stmt.x].x, hiding $stmt.x at $4
test.y:41.36-41: possibly meant: $[stmt.x] at $4
test.y:44.13-22: invalid reference: `$if-stmt-a'
test.y:43.12-44.59: symbol not found in production: if
test.y:46.46-50: invalid reference: `$then'
test.y:43.1-9: possibly meant: $[if-stmt-a] at $$
test.y:46.46-54: invalid reference: `$then-a.f'
test.y:45.12-46.65: symbol not found in production: then
test.y:45.41-46: possibly meant: $[then-a].f at $4
]])
AT_CLEANUP
@@ -515,9 +527,9 @@ sym_a : 'a';
sym_b : 'b';
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:13.8-11: invalid reference: `$sym'
[[test.y:13.8-17: invalid reference: `$sym.field'
test.y:12.1-13.21: symbol not found in production: sym
test.y:16.8-15: invalid reference: `$<aa>sym'
test.y:16.8-21: invalid reference: `$<aa>sym.field'
test.y:15.1-16.25: symbol not found in production: sym
test.y:19.8-19: invalid reference: `$[sym.field]'
test.y:18.1-19.23: symbol not found in production: sym.field
@@ -531,9 +543,9 @@ test.y:31.8-13: invalid reference: `$[sym]'
test.y:30.1-33.21: symbol not found in production before $3: sym
test.y:33.8-17: invalid reference: `$<aa>[sym]'
test.y:30.1-33.21: symbol not found in production: sym
test.y:37.8-11: invalid reference: `$sym'
test.y:37.8-17: invalid reference: `$sym-field'
test.y:36.1-37.21: symbol not found in production: sym
test.y:40.8-15: invalid reference: `$<aa>sym'
test.y:40.8-21: invalid reference: `$<aa>sym-field'
test.y:39.1-40.25: symbol not found in production: sym
test.y:43.8-19: invalid reference: `$[sym-field]'
test.y:42.1-43.23: symbol not found in production: sym-field
@@ -560,15 +572,21 @@ start:
.field { $.field; }
| -field { @-field; }
| 'a' { @.field; }
| 'b' { $-field; }
| 'a' { $-field; }
;
.field: 'c' ;
-field: 'd' ;
.field: ;
-field: ;
]])
AT_BISON_CHECK([[test.y]], [], [],
[[test.y:4.12: warning: stray `$'
test.y:5.12: warning: stray `@'
test.y:6.12: warning: stray `@'
test.y:7.12: warning: stray `$'
AT_BISON_CHECK([[test.y]], [[1]], [],
[[test.y:4.12-18: invalid reference: `$.field'
test.y:4.13: syntax error after `$', expecting integer, letter, `_', `@<:@', or `$'
test.y:4.3-8: possibly meant: $[.field] at $1
test.y:5.12-18: invalid reference: `@-field'
test.y:5.13: syntax error after `@', expecting integer, letter, `_', `@<:@', or `$'
test.y:5.3-8: possibly meant: @[-field] at $1
test.y:6.12-18: invalid reference: `@.field'
test.y:6.13: syntax error after `@', expecting integer, letter, `_', `@<:@', or `$'
test.y:7.12-18: invalid reference: `$-field'
test.y:7.13: syntax error after `$', expecting integer, letter, `_', `@<:@', or `$'
]])
AT_CLEANUP