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-rw-r--r--lib/debugger/src/dbg_iload.erl19
-rw-r--r--lib/debugger/test/bs_bincomp_SUITE.erl1
2 files changed, 17 insertions, 3 deletions
diff --git a/lib/debugger/src/dbg_iload.erl b/lib/debugger/src/dbg_iload.erl
index 369b456524..f83684b605 100644
--- a/lib/debugger/src/dbg_iload.erl
+++ b/lib/debugger/src/dbg_iload.erl
@@ -216,7 +216,7 @@ pattern({op,_,'-',{float,Anno,I}}) ->
pattern({op,_,'+',{float,Anno,I}}) ->
{value,ln(Anno),I};
pattern({bin,Anno,Grp}) ->
- Grp1 = pattern_list(Grp),
+ Grp1 = pattern_list(bin_expand_strings(Grp)),
{bin,ln(Anno),Grp1};
pattern({bin_element,Anno,Expr,Size,Type}) ->
Expr1 = pattern(Expr),
@@ -297,7 +297,7 @@ gexpr({map,Anno,E0,Fs0}) ->
Fs1 = map_fields(Fs0, fun gexpr/1),
{map,ln(Anno),E1,Fs1};
gexpr({bin,Anno,Flds0}) ->
- Flds = gexpr_list(Flds0),
+ Flds = gexpr_list(bin_expand_strings(Flds0)),
{bin,ln(Anno),Flds};
gexpr({bin_element,Anno,Expr0,Size0,Type}) ->
Expr = gexpr(Expr0),
@@ -506,7 +506,7 @@ expr({op,Anno,Op,L0,R0}, _Lc) ->
R1 = expr(R0, false), %They see the same variables
{op,ln(Anno),Op,[L1,R1]};
expr({bin,Anno,Grp}, _Lc) ->
- Grp1 = expr_list(Grp),
+ Grp1 = expr_list(bin_expand_strings(Grp)),
{bin,ln(Anno),Grp1};
expr({bin_element,Anno,Expr,Size,Type}, _Lc) ->
Expr1 = expr(Expr, false),
@@ -519,6 +519,19 @@ consify([A|As]) ->
{cons,0,A,consify(As)};
consify([]) -> {value,0,[]}.
+%% The debugger converts both strings "abc" and lists [67, 68, 69]
+%% into {value, Line, [67, 68, 69]}, making it impossible to later
+%% distingish one or the other inside binaries when evaluating. To
+%% avoid <<[67, 68, 69]>> from evaluating, we convert strings into
+%% chars to avoid the ambiguity.
+bin_expand_strings(Es) ->
+ lists:foldr(fun ({bin_element,Line,{string,_,S},Sz,Ts}, Es1) ->
+ lists:foldr(fun (C, Es2) ->
+ [{bin_element,Line,{char,Line,C},Sz,Ts}|Es2]
+ end, Es1, S);
+ (E, Es1) -> [E|Es1]
+ end, [], Es).
+
%% -type expr_list([Expression]) -> [Expression].
%% These expressions are processed "in parallel" for purposes of variable
%% definition etc.
diff --git a/lib/debugger/test/bs_bincomp_SUITE.erl b/lib/debugger/test/bs_bincomp_SUITE.erl
index 39e2240f2d..064e9567b3 100644
--- a/lib/debugger/test/bs_bincomp_SUITE.erl
+++ b/lib/debugger/test/bs_bincomp_SUITE.erl
@@ -66,6 +66,7 @@ end_per_group(_GroupName, Config) ->
byte_aligned(Config) when is_list(Config) ->
<<"abcdefg">> = << <<(X+32)>> || <<X>> <= <<"ABCDEFG">> >>,
+ <<"AxyzBxyzCxyz">> = << <<X, "xyz">> || <<X>> <= <<"ABC">> >>,
<<1:32/little,2:32/little,3:32/little,4:32/little>> =
<< <<X:32/little>> || <<X:32>> <= <<1:32,2:32,3:32,4:32>> >>,
<<1:32/little,2:32/little,3:32/little,4:32/little>> =