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-rw-r--r--lib/stdlib/src/erl_lint.erl41
1 files changed, 0 insertions, 41 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 22f435aff8..94ad560549 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -1940,8 +1940,6 @@ expr({'case',Line,E,Cs}, Vt, St0) ->
{Evt,St1} = expr(E, Vt, St0),
{Cvt,St2} = icrt_clauses(Cs, {'case',Line}, vtupdate(Evt, Vt), St1),
{vtmerge(Evt, Cvt),St2};
-expr({'cond',Line,Cs}, Vt, St) ->
- cond_clauses(Cs,{'cond',Line}, Vt, St);
expr({'receive',Line,Cs}, Vt, St) ->
icrt_clauses(Cs, {'receive',Line}, Vt, St);
expr({'receive',Line,Cs,To,ToEs}, Vt, St0) ->
@@ -2717,45 +2715,6 @@ icrt_clause({clause,_Line,H,G,B}, Vt0, St0) ->
{Bvt,St3} = exprs(B, Vt2, St2),
{vtupdate(Bvt, Vt2),St3}.
-%% The tests of 'cond' clauses are normal expressions - not guards.
-%% Variables bound in a test is visible both in the corresponding body
-%% and in the tests and bodies of subsequent clauses: a 'cond' is
-%% *equivalent* to nested case-switches on boolean expressions.
-
-cond_clauses([C], In, Vt, St) ->
- last_cond_clause(C, In, Vt, St);
-cond_clauses([C | Cs], In, Vt, St) ->
- cond_clause(C, Cs, In, Vt, St).
-
-%% see expr/3 for 'case'
-cond_clause({clause,_L,[],[[E]],B}, Cs, In, Vt, St0) ->
- {Evt,St1} = expr(E, Vt, St0),
- {Cvt, St2} = cond_cases(B, Cs, In, vtupdate(Evt, Vt), St1),
- Mvt = vtmerge(Evt, Cvt),
- {Mvt,St2}.
-
-%% see icrt_clauses/4
-cond_cases(B, Cs, In, Vt, St0) ->
- %% note that Vt is used for both cases
- {Bvt,St1} = exprs(B, Vt, St0), % true case
- Vt1 = vtupdate(Bvt, Vt),
- {Cvt, St2} = cond_clauses(Cs, In, Vt, St1), % false case
- Vt2 = vtupdate(Cvt, Vt),
- %% and this also uses Vt
- icrt_export([Vt1,Vt2], Vt, In, St2).
-
-%% last case must call icrt_export/4 with only one vartable
-last_cond_clause({clause,_L,[],[[E]],B}, In, Vt, St0) ->
- {Evt,St1} = expr(E, Vt, St0),
- {Cvt, St2} = last_cond_case(B, In, vtupdate(Evt, Vt), St1),
- Mvt = vtmerge(Evt, Cvt),
- {Mvt,St2}.
-
-last_cond_case(B, In, Vt, St0) ->
- {Bvt,St1} = exprs(B, Vt, St0),
- Vt1 = vtupdate(Bvt, Vt),
- icrt_export([Vt1], Vt, In, St1).
-
icrt_export(Csvt, Vt, In, St) ->
Vt1 = vtmerge(Csvt),
All = ordsets:subtract(vintersection(Csvt), vtnames(Vt)),