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Use "Unresolved reference" error message when no symbols were found

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in a symbolic reference resolution. Remove .expr and -expr from
	the shown reference when the reference is unresolved.

	* src/scan-code.l: Change the error message, adjust location columns,
	rename variable "exact_mode" to "explicit_bracketing".
	* tests/named-ref.at: Adjust existing tests and add a new one.
This commit is contained in:
Alex Rozenman
2009-09-05 13:16:45 +03:00
parent f4c75eaf2a
commit 61bc57e533
3 changed files with 118 additions and 20 deletions
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85
tests/named-refs.at
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@@ -255,14 +255,14 @@ exp:
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:50.51-60: invalid reference: `$<ival>lo9', symbol not found
[[test.y:50.51-60: unresolved reference: `$<ival>lo9'
test.y:51.51-60: warning: misleading reference: `$<ival>exp'
test.y:42.1-3: warning: refers to: $exp at $$
test.y:51.7: warning: possibly meant: $x, hiding $exp at $1
test.y:51.41: warning: possibly meant: $r, hiding $exp at $4
test.y:52.51-52: $l of `exp' has no declared type
test.y:55.46-49: invalid reference: `$r12', symbol not found
test.y:56.29-33: invalid reference: `$expo', symbol not found
test.y:55.46-49: unresolved reference: `$r12'
test.y:56.29-33: unresolved reference: `$expo'
]])
AT_CLEANUP
@@ -353,7 +353,7 @@ factor: '(' expr ')' { $$ = $2; }
;
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:24.36-41: invalid reference: `$cond1', symbol not found
[[test.y:24.36-41: unresolved reference: `$cond1'
test.y:26.43-53: invalid reference: `$stmt.field'
test.y:25.35-38: possibly meant: $then.field, hiding $stmt.field at $4
test.y:28.43-52: invalid reference: `$stmt.list'
@@ -454,3 +454,80 @@ AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:11.9: unexpected identifier in bracketed name: `s'
]])
AT_CLEANUP
#######################################################################
AT_SETUP([Unresolved references])
AT_DATA_GRAMMAR([test.y],
[[
%%
stat:
sym_a sym_b
{ func($sym.field); }
|
sym_a sym_b
{ func($<aa>sym.field); }
|
sym_a sym_b
{ func($[sym.field]); }
|
sym_a sym_b
{ func($<aa>[sym.field]); }
|
sym_a sym_b
{ func($sym); }
|
sym_a sym_b
{ func($<aa>sym); }
|
sym_a sym_b
{ func($[sym]); }
sym_a sym_b
{ func($<aa>[sym]); }
;
stat1:
sym_a sym_b
{ func($sym-field); }
|
sym_a sym_b
{ func($<aa>sym-field); }
|
sym_a sym_b
{ func($[sym-field]); }
|
sym_a sym_b
{ func($<aa>[sym-field]); }
|
sym_a sym_b
{ func($sym); }
|
sym_a sym_b
{ func($<aa>sym); }
|
sym_a sym_b
{ func($[sym]); }
sym_a sym_b
{ func($<aa>[sym]); }
;
sym_a : 'a';
sym_b : 'b';
]])
AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:13.8-11: unresolved reference: `$sym'
test.y:16.8-15: unresolved reference: `$<aa>sym'
test.y:19.8-19: unresolved reference: `$[sym.field]'
test.y:22.8-23: unresolved reference: `$<aa>[sym.field]'
test.y:25.8-11: unresolved reference: `$sym'
test.y:28.8-15: unresolved reference: `$<aa>sym'
test.y:31.8-13: unresolved reference: `$[sym]'
test.y:33.8-17: unresolved reference: `$<aa>[sym]'
test.y:37.8-11: unresolved reference: `$sym'
test.y:40.8-15: unresolved reference: `$<aa>sym'
test.y:43.8-19: unresolved reference: `$[sym-field]'
test.y:46.8-23: unresolved reference: `$<aa>[sym-field]'
test.y:49.8-11: unresolved reference: `$sym'
test.y:52.8-15: unresolved reference: `$<aa>sym'
test.y:55.8-13: unresolved reference: `$[sym]'
test.y:57.8-17: unresolved reference: `$<aa>[sym]'
]])
AT_CLEANUP