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-rw-r--r--lib/parsetools/test/Makefile78
-rw-r--r--lib/parsetools/test/leex_SUITE.erl909
-rw-r--r--lib/parsetools/test/parsetools.spec1
-rw-r--r--lib/parsetools/test/yecc_SUITE.erl1795
4 files changed, 2783 insertions, 0 deletions
diff --git a/lib/parsetools/test/Makefile b/lib/parsetools/test/Makefile
new file mode 100644
index 0000000000..19354b87b2
--- /dev/null
+++ b/lib/parsetools/test/Makefile
@@ -0,0 +1,78 @@
+#
+# %CopyrightBegin%
+#
+# Copyright Ericsson AB 2005-2009. All Rights Reserved.
+#
+# The contents of this file are subject to the Erlang Public License,
+# Version 1.1, (the "License"); you may not use this file except in
+# compliance with the License. You should have received a copy of the
+# Erlang Public License along with this software. If not, it can be
+# retrieved online at http://www.erlang.org/.
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# %CopyrightEnd%
+#
+include $(ERL_TOP)/make/target.mk
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+
+MODULES = \
+ leex_SUITE \
+ yecc_SUITE
+
+ERL_FILES= $(MODULES:%=%.erl)
+
+TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
+INSTALL_PROGS= $(TARGET_FILES)
+
+EMAKEFILE=Emakefile
+
+# ----------------------------------------------------
+# Release directory specification
+# ----------------------------------------------------
+RELSYSDIR = $(RELEASE_PATH)/parsetools_test
+
+# ----------------------------------------------------
+# FLAGS
+# ----------------------------------------------------
+ERL_MAKE_FLAGS +=
+ERL_COMPILE_FLAGS += -I$(ERL_TOP)/lib/test_server/include
+
+EBIN = .
+
+# ----------------------------------------------------
+# Targets
+# ----------------------------------------------------
+.PHONY: make_emakefile
+
+make_emakefile:
+ $(ERL_TOP)/make/make_emakefile $(ERL_COMPILE_FLAGS) -o$(EBIN) $(MODULES)\
+ > $(EMAKEFILE)
+
+tests debug opt: make_emakefile
+ erl $(ERL_MAKE_FLAGS) -make
+
+clean:
+ rm -f $(EMAKEFILE)
+ rm -f $(TARGET_FILES)
+ rm -f core
+
+docs:
+
+# ----------------------------------------------------
+# Release Target
+# ----------------------------------------------------
+include $(ERL_TOP)/make/otp_release_targets.mk
+
+release_spec: opt
+
+release_tests_spec: make_emakefile
+ $(INSTALL_DIR) $(RELSYSDIR)
+ $(INSTALL_DATA) parsetools.spec $(EMAKEFILE) $(ERL_FILES) $(RELSYSDIR)
+ chmod -f -R u+w $(RELSYSDIR)
+ # @tar cf - *_SUITE_data | (cd $(RELSYSDIR); tar xf -)
+
+release_docs_spec:
diff --git a/lib/parsetools/test/leex_SUITE.erl b/lib/parsetools/test/leex_SUITE.erl
new file mode 100644
index 0000000000..069f780b5e
--- /dev/null
+++ b/lib/parsetools/test/leex_SUITE.erl
@@ -0,0 +1,909 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2009. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(leex_SUITE).
+
+%-define(debug, true).
+
+-include_lib("stdlib/include/erl_compile.hrl").
+-include_lib("kernel/include/file.hrl").
+
+-ifdef(debug).
+-define(line, put(line, ?LINE), ).
+-define(config(X,Y), foo).
+-define(datadir, "leex_SUITE_data").
+-define(privdir, "leex_SUITE_priv").
+-define(t, test_server).
+-else.
+-include("test_server.hrl").
+-define(datadir, ?config(data_dir, Config)).
+-define(privdir, ?config(priv_dir, Config)).
+-endif.
+
+-export([all/1, init_per_testcase/2, fin_per_testcase/2]).
+
+-export([checks/1,
+ file/1, compile/1, syntax/1,
+ examples/1,
+ pt/1, man/1, ex/1, ex2/1, not_yet/1]).
+
+% Default timetrap timeout (set in init_per_testcase).
+-define(default_timeout, ?t:minutes(1)).
+
+init_per_testcase(_Case, Config) ->
+ ?line Dog = ?t:timetrap(?default_timeout),
+ [{watchdog, Dog} | Config].
+
+fin_per_testcase(_Case, Config) ->
+ Dog = ?config(watchdog, Config),
+ test_server:timetrap_cancel(Dog),
+ ok.
+
+all(suite) -> [checks, examples].
+
+checks(suite) ->
+ [file, compile, syntax].
+
+file(doc) ->
+ "Bad files and options.";
+file(suite) -> [];
+file(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Ret = [return, {report, false}],
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file("not_a_file", Ret),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file("not_a_file", [{return,true}]),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file("not_a_file", [{report,false},return_errors]),
+ ?line error = leex:file("not_a_file"),
+ ?line error = leex:file("not_a_file", [{return,false},report]),
+ ?line error = leex:file("not_a_file", [return_warnings,{report,false}]),
+
+ Filename = filename:join(Dir, "file.xrl"),
+ file:delete(Filename),
+
+ ?line {'EXIT', {badarg, _}} = (catch leex:file({foo})),
+ ?line {'EXIT', {badarg, _}} =
+ (catch leex:file(Filename, {parserfile,{foo}})),
+ ?line {'EXIT', {badarg, _}} =
+ (catch leex:file(Filename, {includefile,{foo}})),
+
+ ?line {'EXIT', {badarg, _}} = (catch leex:file(Filename, no_option)),
+ ?line {'EXIT', {badarg, _}} =
+ (catch leex:file(Filename, [return | report])),
+ ?line {'EXIT', {badarg, _}} =
+ (catch leex:file(Filename, {return,foo})),
+ ?line {'EXIT', {badarg, _}} =
+ (catch leex:file(Filename, includefile)),
+
+ Mini = <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ : {token,{word,TokenLine,TokenChars}}.\n"
+ "Erlang code.\n">>,
+ ?line ok = file:write_file(Filename, Mini),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file(Filename, [{scannerfile,"//"} | Ret]),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file(Filename, [{includefile,"//"} | Ret]),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file(Filename, [{includefile,"/ /"} | Ret]),
+
+ LeexPre = filename:join(Dir, "leexinc.hrl"),
+ ?line ok = file:write_file(LeexPre, <<"syntax error.\n">>),
+ PreErrors = run_test(Config, Mini, LeexPre),
+ ?line {errors,
+ [{1,_,["syntax error before: ","error"]},
+ {3,_,undefined_module}],
+ []} =
+ extract(LeexPre, PreErrors),
+ file:delete(LeexPre),
+
+ Ret2 = [return, report_errors, report_warnings, verbose],
+ Scannerfile = filename:join(Dir, "file.erl"),
+ ?line ok = file:write_file(Scannerfile, <<"nothing">>),
+ ?line unwritable(Scannerfile),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file(Filename, Ret2),
+ ?line writable(Scannerfile),
+ file:delete(Scannerfile),
+
+ Dotfile = filename:join(Dir, "file.dot"),
+ ?line ok = file:write_file(Dotfile, <<"nothing">>),
+ ?line unwritable(Dotfile),
+ ?line {error,[{_,[{none,leex,{file_error,_}}]}],[]} =
+ leex:file(Filename, [dfa_graph | Ret2]),
+ ?line writable(Dotfile),
+ file:delete(Dotfile),
+
+ file:delete(Filename),
+ ok.
+
+compile(doc) ->
+ "Check of compile/3.";
+compile(suite) -> [];
+compile(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Filename = filename:join(Dir, "file.xrl"),
+ Scannerfile = filename:join(Dir, "file.erl"),
+ Mini = <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ : {token,{word,TokenLine,TokenChars}}.\n"
+ "Erlang code.\n">>,
+ ?line ok = file:write_file(Filename, Mini),
+ ?line error = leex:compile(Filename, "//", #options{}),
+ ?line ok = leex:compile(Filename, Scannerfile, #options{}),
+ file:delete(Scannerfile),
+ file:delete(Filename),
+ ok.
+
+syntax(doc) ->
+ "Syntax checks.";
+syntax(suite) -> [];
+syntax(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Filename = filename:join(Dir, "file.xrl"),
+ Ret = [return, {report, true}],
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "%% comment\n"
+ "Rules.\n"
+ "{L}+ : {token,{word,TokenLine,TokenChars}}.\n
+ ">>),
+ ?line {error,[{_,[{7,leex,missing_code}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ : \n">>),
+ ?line {error,[{_,[{5,leex,missing_code}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "[] :">>),
+ ?line {error,[{_,[{4,leex,{regexp,_}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ : .\n"
+ "[] : ">>),
+ ?line {error,[{_,[{5,leex,{regexp,_}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "[] : .\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,_}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ ">>),
+ ?line {error,[{_,[{5,leex,bad_rule}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ ; ">>),
+ ?line {error,[{_,[{4,leex,bad_rule}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "[] : '99\n">>),
+ ?line {error,[{_,[{4,erl_scan,_}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n">>),
+ ?line {error,[{_,[{3,leex,empty_rules}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "Erlang code.\n">>),
+ ?line {error,[{_,[{4,leex,empty_rules}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n">>),
+ ?line {error,[{_,[{2,leex,missing_rules}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Erlang code.\n">>),
+ ?line {error,[{_,[{3,leex,missing_rules}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"">>),
+ %% This is a weird line:
+ ?line {error,[{_,[{0,leex,missing_defs}]}],[]} = leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Rules.\n">>),
+ ?line {error,[{_,[{1,leex,missing_defs}]}],[]} = leex:file(Filename, Ret),
+
+ %% Check that correct line number is used in messages.
+ ErlFile = filename:join(Dir, "file.erl"),
+ Ret1 = [{scannerfile,ErlFile}|Ret],
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ : {token,\n"
+ " {word,TokenLine,TokenChars,\n"
+ " DDDD}}.\n" % unbound
+ "Erlang code.\n"
+ "an error.\n">>), % syntax error
+ ?line {ok, _, []} = leex:file(Filename, Ret1),
+ ?line {error,
+ [{_,[{8,_,["syntax error before: ","error"]}]},
+ {_,[{6,_,{unbound_var,'DDDD'}}]}],
+ []} =
+ compile:file(ErlFile, [basic_validation, return]),
+
+ %% Ignored characters
+ ?line ok = file:write_file(Filename,
+ <<"Definitions. D = [0-9]\n"
+ "Rules. [a-z] : .\n"
+ "1 : skip_token.\n"
+ "Erlang code. f() -> a.\n">>),
+ ?line {ok,_,[{_,
+ [{1,leex,ignored_characters},
+ {2,leex,ignored_characters},
+ {4,leex,ignored_characters}]}]} =
+ leex:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+\\ : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,{unterminated,"\\"}}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+\\x : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,{illegal_char,"\\x"}}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+\\x{ : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,{unterminated,"\\x{"}}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "[^ab : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,{unterminated,"["}}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "(a : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,{unterminated,"("}}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "[b-a] : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,{char_class,"b-a"}}}]}],[]} =
+ leex:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "\\x{333333333333333333333333} : token.\n">>),
+ ?line {error,[{_,[{4,leex,{regexp,
+ {illegal_char,
+ "\\x{333333333333333333333333}"}}}]}],[]} =
+ leex:file(Filename, Ret),
+ ok.
+
+examples(suite) ->
+ [pt,man,ex,ex2,not_yet].
+
+pt(doc) ->
+ "Pushing back characters.";
+pt(suite) -> [];
+pt(Config) when is_list(Config) ->
+ %% Needs more testing...
+ Ts = [{pt_1,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "L = [a-z]\n"
+
+ "Rules.\n"
+ "{L}+ : {token,{word,TokenLine,TokenChars}}.\n"
+ "abc{D}+ : {skip_token,\"sture\" ++ string:substr(TokenChars, 4)}.\n"
+ "{D}+ : {token,{integer,TokenLine,list_to_integer(TokenChars)}}.\n"
+ "\\s : .\n"
+ "\\r\\n : {end_token,{crlf,TokenLine}}.\n"
+
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->
+ {ok,[{word,1,\"sture\"},{integer,1,123}],1} =
+ string(\"abc123\"), ok. ">>,
+ default,
+ ok}],
+
+ ?line run(Config, Ts),
+ ok.
+
+man(doc) ->
+ "Examples from the manpage.";
+man(suite) -> [];
+man(Config) when is_list(Config) ->
+ Ts = [{man_1,
+ <<"Definitions.\n"
+ "Rules.\n"
+ "[a-z][0-9a-zA-Z_]* :\n"
+ " {token,{atom,TokenLine,list_to_atom(TokenChars)}}.\n"
+ "[A-Z_][0-9a-zA-Z_]* :\n"
+ " {token,{var,TokenLine,list_to_atom(TokenChars)}}.\n"
+ "(\\+|-)?[0-9]+\\.[0-9]+((E|e)(\\+|-)?[0-9]+)? : \n"
+ " {token,{float,TokenLine,list_to_float(TokenChars)}}.\n"
+ "\\s : skip_token.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[{float,1,3.14},{atom,1,atom},{var,1,'V314'}],1} =\n"
+ " string(\"3.14atom V314\"),\n"
+ " ok.\n">>,
+ default,
+ ok},
+
+ {man_2,
+ <<"Definitions.\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{D}+ :\n"
+ " {token,{integer,TokenLine,list_to_integer(TokenChars)}}.\n"
+ "{D}+\\.{D}+((E|e)(\\+|\\-)?{D}+)? :\n"
+ " {token,{float,TokenLine,list_to_float(TokenChars)}}.\n"
+ "\\s : skip_token.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[{float,1,3.14},{integer,1,314}],1} = \n"
+ " string(\"3.14 314\"),\n"
+ " ok.\n">>,
+ default,
+ ok}],
+
+ ?line run(Config, Ts),
+ ok.
+
+ex(doc) ->
+ "Examples.";
+ex(suite) -> [];
+ex(Config) when is_list(Config) ->
+ Ts = [{ex_1,
+ <<"Definitions.\n"
+ "D = [0-543-705-982]\n"
+ "Rules.\n"
+ "{D}+ :\n"
+ " {token,{integer,TokenLine,list_to_integer(TokenChars)}}.\n"
+ "[^235]+ :\n"
+ " {token,{list_to_atom(TokenChars),TokenLine}}.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[{integer,1,12},{' c\\na',1},{integer,2,34},{b789a,2}],2} =\n"
+ " string(\"12 c\\na34b789a\"),\n"
+ " ok.\n">>,
+ default,
+ ok},
+
+ {ex_2,
+ <<"Definitions.\n"
+ "L = [a-z]\n"
+ "D = [0-9]\n"
+ "Rules.\n"
+ "{L}+ : {token,chars}.\n"
+ "zyx{D}+ : {token,zyx}.\n"
+ "\\s : skip_token.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[chars,zyx],1} = string(\"abcdef zyx123\"),\n"
+ " ok.\n">>,
+ default,
+ ok},
+
+ {ex_3,
+ <<"Definitions.\n"
+ "NL = [\\n]\n"
+ "Rules.\n"
+ "{NL}* : {token,newlines}.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[],1} = string(\"\"), ok.\n">>, % string("a") would loop...
+ default,
+ ok},
+
+ {ex_4,
+ <<"Definitions.\n"
+ "SP1 = [\\n-\\s]\n"
+ "SP0 = [\\000-\\n]\n"
+ "Rules.\n"
+ "{SP0}+ : {token,{small,TokenChars}}.\n"
+ "{SP1}+ : {token,{big,TokenChars}}.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " string(\"\\x00\\n\\s\\n\\n\"),\n"
+ " ok.\n">>,
+ default,
+ ok},
+
+ {ex_5,
+ <<"Definitions.\n"
+ "L = [a-z]\n"
+ "W = [\\s\\b\\n\\r\\t\\e\\v\\d\\f]\n"
+ "Rules.\n"
+ "\\[{L}+(,{L}+)*\\] : {token,{list,TokenChars}}.\n"
+ "\"{L}+\" : {token,{string,TokenChars}}.\n"
+ "\\$. : {token,{char,TokenChars}}.\n"
+ "{W}+ : {token,{white,TokenChars}}.\n"
+ "ff\\f+ : {token,{form,TokenChars}}.\n"
+ "\\$\\^+\\\\+ : {token,{other,TokenChars}}.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[{white,\"\\b\\f\"}],1} = string(\"\\b\\f\"),\n"
+ " {ok,[{form,\"ff\\f\"}],1} = string(\"ff\\f\"),\n"
+ " {ok,[{string,\"\\\"foo\\\"\"}],1} = string(\"\\\"foo\\\"\"),\n"
+ " {ok,[{char,\"$.\"}],1} = string(\"$\\.\"),\n"
+ " {ok,[{list,\"[a,b,c]\"}],1} = string(\"[a,b,c]\"),\n"
+ " {ok,[{other,\"$^\\\\\"}],1} = string(\"$^\\\\\"),\n"
+ " ok.\n">>,
+ default,
+ ok},
+
+ {ex_6,
+ <<"Definitions.\n"
+ "L = [a-z]\n"
+ "Rules.\n"
+ "L}+ : {token,{TokenChars,#r.f}}.\n"
+ "Erlang code.\n"
+ "-record(r, {f}).\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " string(\"abc\"),\n"
+ " ok.\n">>,
+ default,
+ ok},
+
+ {ex_7, %% Assumes regexp can handle \x
+ <<"Definitions.\n"
+ "H1 = \\x11\\x{ab}\n"
+ "H2 = [\\x{30}\\x{ac}]\n"
+ "Rules.\n"
+ "{H1}{H2}+ : {token,{hex,TokenChars}}.\n"
+ "Erlang code.\n"
+ "-export([t/0]).\n"
+ "t() ->\n"
+ " {ok,[{hex,[17,171,48,172]}],1} =\n"
+ " string(\"\\x{11}\\xab0\\xac\"),\n"
+ " ok.\n">>,
+ default,
+ ok}],
+
+ ?line run(Config, Ts),
+ ok.
+
+ex2(doc) ->
+ "More examples.";
+ex2(suite) -> [];
+ex2(Config) when is_list(Config) ->
+ Xrl =
+ <<"
+%%% File : erlang_scan.xrl
+%%% Author : Robert Virding
+%%% Purpose : Tkoen definitions for Erlang.
+
+Definitions.
+O = [0-7]
+D = [0-9]
+H = [0-9a-fA-F]
+U = [A-Z]
+L = [a-z]
+A = ({U}|{L}|{D}|_|@)
+WS = ([\\000-\\s]|%.*)
+
+Rules.
+{D}+\\.{D}+((E|e)(\\+|\\-)?{D}+)? :
+ {token,{float,TokenLine,list_to_float(TokenChars)}}.
+{D}+#{H}+ : base(TokenLine, TokenChars).
+{D}+ : {token,{integer,TokenLine,list_to_integer(TokenChars)}}.
+{L}{A}* : Atom = list_to_atom(TokenChars),
+ {token,case reserved_word(Atom) of
+ true -> {Atom,TokenLine};
+ false -> {atom,TokenLine,Atom}
+ end}.
+'(\\\\\\^.|\\\\.|[^'])*' :
+ %% Strip quotes.
+ S = lists:sublist(TokenChars, 2, TokenLen - 2),
+ case catch list_to_atom(string_gen(S)) of
+ {'EXIT',_} -> {error,\"illegal atom \" ++ TokenChars};
+ Atom -> {token,{atom,TokenLine,Atom}}
+ end.
+({U}|_){A}* : {token,{var,TokenLine,list_to_atom(TokenChars)}}.
+\"(\\\\\\^.|\\\\.|[^\"])*\" :
+ %% Strip quotes.
+ S = lists:sublist(TokenChars, 2, TokenLen - 2),
+ {token,{string,TokenLine,string_gen(S)}}.
+\\$(\\\\{O}{O}{O}|\\\\\\^.|\\\\.|.) :
+ {token,{char,TokenLine,cc_convert(TokenChars)}}.
+-> : {token,{'->',TokenLine}}.
+:- : {token,{':-',TokenLine}}.
+\\|\\| : {token,{'||',TokenLine}}.
+<- : {token,{'<-',TokenLine}}.
+\\+\\+ : {token,{'++',TokenLine}}.
+-- : {token,{'--',TokenLine}}.
+=/= : {token,{'=/=',TokenLine}}.
+== : {token,{'==',TokenLine}}.
+=:= : {token,{'=:=',TokenLine}}.
+/= : {token,{'/=',TokenLine}}.
+>= : {token,{'>=',TokenLine}}.
+=< : {token,{'=<',TokenLine}}.
+<= : {token,{'<=',TokenLine}}.
+<< : {token,{'<<',TokenLine}}.
+>> : {token,{'>>',TokenLine}}.
+:: : {token,{'::',TokenLine}}.
+[]()[}{|!?/;:,.*+#<>=-] :
+ {token,{list_to_atom(TokenChars),TokenLine}}.
+\\.{WS} : {end_token,{dot,TokenLine}}.
+{WS}+ : skip_token.
+
+Erlang code.
+
+-export([reserved_word/1]).
+
+%% reserved_word(Atom) -> Bool
+%% return 'true' if Atom is an Erlang reserved word, else 'false'.
+
+reserved_word('after') -> true;
+reserved_word('begin') -> true;
+reserved_word('case') -> true;
+reserved_word('try') -> true;
+reserved_word('cond') -> true;
+reserved_word('catch') -> true;
+reserved_word('andalso') -> true;
+reserved_word('orelse') -> true;
+reserved_word('end') -> true;
+reserved_word('fun') -> true;
+reserved_word('if') -> true;
+reserved_word('let') -> true;
+reserved_word('of') -> true;
+reserved_word('query') -> true;
+reserved_word('receive') -> true;
+reserved_word('when') -> true;
+reserved_word('bnot') -> true;
+reserved_word('not') -> true;
+reserved_word('div') -> true;
+reserved_word('rem') -> true;
+reserved_word('band') -> true;
+reserved_word('and') -> true;
+reserved_word('bor') -> true;
+reserved_word('bxor') -> true;
+reserved_word('bsl') -> true;
+reserved_word('bsr') -> true;
+reserved_word('or') -> true;
+reserved_word('xor') -> true;
+reserved_word('spec') -> true;
+reserved_word(_) -> false.
+
+base(L, Cs) ->
+ H = string:chr(Cs, $#),
+ case list_to_integer(string:substr(Cs, 1, H-1)) of
+ B when B > 16 -> {error,\"illegal base\"};
+ B ->
+ case base(string:substr(Cs, H+1), B, 0) of
+ error -> {error,\"illegal based number\"};
+ N -> {token,{integer,L,N}}
+ end
+ end.
+
+base([C|Cs], Base, SoFar) when C >= $0, C =< $9, C < Base + $0 ->
+ Next = SoFar * Base + (C - $0),
+ base(Cs, Base, Next);
+base([C|Cs], Base, SoFar) when C >= $a, C =< $f, C < Base + $a - 10 ->
+ Next = SoFar * Base + (C - $a + 10),
+ base(Cs, Base, Next);
+base([C|Cs], Base, SoFar) when C >= $A, C =< $F, C < Base + $A - 10 ->
+ Next = SoFar * Base + (C - $A + 10),
+ base(Cs, Base, Next);
+base([_|_], _, _) -> error; %Unknown character
+base([], _, N) -> N.
+
+cc_convert([$$,$\\\\|Cs]) ->
+ hd(string_escape(Cs));
+cc_convert([$$,C]) -> C.
+
+string_gen([$\\\\|Cs]) ->
+ string_escape(Cs);
+string_gen([C|Cs]) ->
+ [C|string_gen(Cs)];
+string_gen([]) -> [].
+
+string_escape([O1,O2,O3|S]) when
+ O1 >= $0, O1 =< $7, O2 >= $0, O2 =< $7, O3 >= $0, O3 =< $7 ->
+ [(O1*8 + O2)*8 + O3 - 73*$0|string_gen(S)];
+string_escape([$^,C|Cs]) ->
+ [C band 31|string_gen(Cs)];
+string_escape([C|Cs]) when C >= $\\000, C =< $\\s ->
+ string_gen(Cs);
+string_escape([C|Cs]) ->
+ [escape_char(C)|string_gen(Cs)].
+
+escape_char($n) -> $\\n; %\\n = LF
+escape_char($r) -> $\\r; %\\r = CR
+escape_char($t) -> $\\t; %\\t = TAB
+escape_char($v) -> $\\v; %\\v = VT
+escape_char($b) -> $\\b; %\\b = BS
+escape_char($f) -> $\\f; %\\f = FF
+escape_char($e) -> $\\e; %\\e = ESC
+escape_char($s) -> $\\s; %\\s = SPC
+escape_char($d) -> $\\d; %\\d = DEL
+escape_char(C) -> C.
+ ">>,
+ Dir = ?privdir,
+ XrlFile = filename:join(Dir, "erlang_scan.xrl"),
+ ?line ok = file:write_file(XrlFile, Xrl),
+ ErlFile = filename:join(Dir, "erlang_scan.erl"),
+ ?line {ok, _} = leex:file(XrlFile, []),
+ ?line {ok, _} = compile:file(ErlFile, [{outdir,Dir}]),
+ code:purge(erlang_scan),
+ AbsFile = filename:rootname(ErlFile, ".erl"),
+ code:load_abs(AbsFile, erlang_scan),
+
+ F = fun(Cont, Chars, Location) ->
+ erlang_scan:tokens(Cont, Chars, Location)
+ end,
+ F1 = fun(Cont, Chars, Location) ->
+ erlang_scan:token(Cont, Chars, Location)
+ end,
+ fun() ->
+ S = "ab cd. ",
+ {ok, Ts, 1} = scan_tokens_1(S, F, 1),
+ {ok, Ts, 1} = scan_token_1(S, F1, 1),
+ {ok, Ts, 1} = scan_tokens(S, F, 1),
+ {ok, Ts, 1} = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "'ab\n cd'. ",
+ {ok, Ts, 2} = scan_tokens_1(S, F, 1),
+ {ok, Ts, 2} = scan_token_1(S, F1, 1),
+ {ok, Ts, 2} = scan_tokens(S, F, 1),
+ {ok, Ts, 2} = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "99. ",
+ {ok, Ts, 1} = scan_tokens_1(S, F, 1),
+ {ok, Ts, 1} = scan_token_1(S, F1, 1),
+ {ok, Ts, 1} = scan_tokens(S, F, 1),
+ {ok, Ts, 1} = erlang_scan:string(S, 1)
+ end(),
+ {ok,[{integer,1,99},{dot,1}],1} = erlang_scan:string("99. "),
+ fun() ->
+ Atom = "'" ++ lists:duplicate(1000,$a) ++ "'",
+ S = Atom ++ ". ",
+ Reason = "illegal atom " ++ Atom,
+ Err = {error,{1,erlang_scan,{user,Reason}},1},
+ {done,Err,[]} = scan_tokens_1(S, F, 1),
+ {done,Err,[]} = scan_token_1(S, F1, 1),
+ {done,Err,[]} = scan_tokens(S, F, 1),
+ Err = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "\x{aaa}. ",
+ Err = {error,{1,erlang_scan,{illegal,[2730]}},1},
+ {done,Err,[]} = scan_tokens_1(S, F, 1),
+ {done,Err,[_]} = scan_token_1(S, F1, 1), % Note: Rest non-empty
+ {done,Err,[]} = scan_tokens(S, F, 1),
+ Err = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "\x{aaa} + 1. 34",
+ Err = {error,{1,erlang_scan,{illegal,[2730]}},1},
+ {done,Err,[]} = scan_tokens_1(S, F, 1),
+ {done,Err,[_]} = scan_token_1(S, F1, 1), % Note: Rest non-empty
+ {done,Err,"34"} = scan_tokens(S, F, 1),
+ Err = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "\x{aaa} \x{bbb}. 34",
+ Err = {error,{1,erlang_scan,{illegal,[2730]}},1},
+ {done,Err,[]} = scan_tokens_1(S, F, 1),
+ {done,Err,[_]} = scan_token_1(S, F1, 1), % Note: Rest non-empty
+ {done,Err,"34"} = scan_tokens(S, F, 1),
+ Err = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "\x{aaa} 18#34. 34",
+ Err = {error,{1,erlang_scan,{illegal,[2730]}},1},
+ {done,Err,[]} = scan_tokens_1(S, F, 1),
+ {done,Err,[_]} = scan_token_1(S, F1, 1), % Note: Rest non-empty
+ {done,Err,"34"} = scan_tokens(S, F, 1),
+ Err = erlang_scan:string(S, 1)
+ end(),
+ fun() ->
+ S = "\x{aaa}"++eof,
+ Err = {error,{1,erlang_scan,{illegal,[2730]}},1},
+ {done,Err,eof} = scan_tokens_1(S, F, 1),
+ {done,Err,[_]} = scan_token_1(S, F1, 1), % Note: Rest non-empty
+ {done,Err,eof} = scan_tokens(S, F, 1),
+ Err = erlang_scan:string(S, 1)
+ end(),
+ ok.
+
+scan_tokens(String, Fun, Location) ->
+ scan_tokens(String, Fun, Location, []).
+
+scan_tokens(String, Fun, Location, Rs) ->
+ case Fun([], String, Location) of
+ {done, {error,_,_}, _} = Error ->
+ Error;
+ {done, {ok,Ts,End}, ""} ->
+ {ok, lists:append(lists:reverse([Ts|Rs])), End};
+ {done, {ok,Ts,End}, Rest} ->
+ scan_tokens(Rest, Fun, End, [Ts|Rs])
+ end.
+
+scan_tokens_1(String, Fun, Location) ->
+ scan_tokens_1({more, []}, String, Fun, Location, []).
+
+scan_tokens_1({done, {error, _, _}, _}=Error, _Cs, _Fun, _Location, _Rs) ->
+ Error;
+scan_tokens_1({done, {ok,Ts,End}, ""}, "", _Fun, _Location, Rs) ->
+ {ok,lists:append(lists:reverse([Ts|Rs])),End};
+scan_tokens_1({done, {ok,Ts,End}, Rest}, Cs, Fun, _Location, Rs) ->
+ scan_tokens_1({more,[]}, Rest++Cs, Fun, End, [Ts|Rs]);
+scan_tokens_1({more, Cont}, [C | Cs], Fun, Loc, Rs) ->
+ R = Fun(Cont, [C], Loc),
+ scan_tokens_1(R, Cs, Fun, Loc, Rs);
+scan_tokens_1({more, Cont}, eof, Fun, Loc, Rs) ->
+ R = Fun(Cont, eof, Loc),
+ scan_tokens_1(R, eof, Fun, Loc, Rs).
+
+scan_token_1(String, Fun, Location) ->
+ scan_token_1({more, []}, String, Fun, Location, []).
+
+scan_token_1({done, {error, _, _}, _}=Error, _Cs, _Fun, _Location, _Rs) ->
+ Error;
+scan_token_1({done, {ok,Ts,End}, ""}, "", _Fun, _Location, Rs) ->
+ {ok,lists:reverse([Ts|Rs]),End};
+scan_token_1({done, {ok,Ts,End}, Rest}, Cs, Fun, _Location, Rs) ->
+ scan_token_1({more,[]}, Rest++Cs, Fun, End, [Ts|Rs]);
+scan_token_1({more, Cont}, [C | Cs], Fun, Loc, Rs) ->
+ R = Fun(Cont, [C], Loc),
+ scan_token_1(R, Cs, Fun, Loc, Rs).
+
+%% End of ex2
+
+not_yet(doc) ->
+ "Not yet implemented.";
+not_yet(suite) -> [];
+not_yet(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Filename = filename:join(Dir, "file.xrl"),
+ Ret = [return, {report, true}],
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "Rules.\n"
+ "$ : .\n"
+ "Erlang code.\n">>),
+ ?line {error,[{_,[{3,leex,{regexp,_}}]}],[]} =
+ leex:file(Filename, Ret),
+ ?line ok = file:write_file(Filename,
+ <<"Definitions.\n"
+ "Rules.\n"
+ "^ : .\n"
+ "Erlang code.\n">>),
+ ?line {error,[{_,[{3,leex,{regexp,_}}]}],[]} =
+ leex:file(Filename, Ret),
+
+ ok.
+
+unwritable(Fname) ->
+ {ok, Info} = file:read_file_info(Fname),
+ Mode = Info#file_info.mode - 8#00200,
+ ok = file:write_file_info(Fname, Info#file_info{mode = Mode}).
+
+writable(Fname) ->
+ {ok, Info} = file:read_file_info(Fname),
+ Mode = Info#file_info.mode bor 8#00200,
+ ok = file:write_file_info(Fname, Info#file_info{mode = Mode}).
+
+run(Config, Tests) ->
+ F = fun({N,P,Pre,E}) ->
+ case catch run_test(Config, P, Pre) of
+ E ->
+ ok;
+ Bad ->
+ ?t:format("~nTest ~p failed. Expected~n ~p~n"
+ "but got~n ~p~n", [N, E, Bad]),
+ fail()
+ end
+ end,
+ lists:foreach(F, Tests).
+
+run_test(Config, Def, Pre) ->
+ %% io:format("testing ~s~n", [binary_to_list(Def)]),
+ DefFile = 'leex_test.xrl',
+ Filename = 'leex_test.erl',
+ DataDir = ?privdir,
+ XrlFile = filename:join(DataDir, DefFile),
+ ErlFile = filename:join(DataDir, Filename),
+ Opts = [return, warn_unused_vars,{outdir,DataDir}],
+ ok = file:write_file(XrlFile, Def),
+ LOpts = [return, {report, false} |
+ case Pre of
+ default ->
+ [];
+ _ ->
+ [{includefile,Pre}]
+ end],
+ XOpts = [verbose, dfa_graph], % just to get some code coverage...
+ LRet = leex:file(XrlFile, XOpts ++ LOpts),
+ case LRet of
+ {ok, _Outfile, _LWs} ->
+ CRet = compile:file(ErlFile, Opts),
+ case CRet of
+ {ok, _M, _Ws} ->
+ AbsFile = filename:rootname(ErlFile, ".erl"),
+ Mod = leex_test,
+ code:purge(Mod),
+ code:load_abs(AbsFile, Mod),
+ Mod:t();
+ %% warnings(ErlFile, Ws);
+ {error, [{ErlFile,Es}], []} -> {error, Es, []};
+ {error, [{ErlFile,Es}], [{ErlFile,Ws}]} -> {error, Es, Ws};
+ Error -> Error
+ end;
+ {error, [{XrlFile,LEs}], []} -> {error, LEs, []};
+ {error, [{XrlFile,LEs}], [{XrlFile,LWs}]} -> {error, LEs, LWs};
+ LError -> LError
+ end.
+
+extract(File, {error, Es, Ws}) ->
+ {errors, extract(File, Es), extract(File, Ws)};
+extract(File, Ts) ->
+ lists:append([T || {F, T} <- Ts, F =:= File]).
+
+fail() ->
+ ?t:fail().
diff --git a/lib/parsetools/test/parsetools.spec b/lib/parsetools/test/parsetools.spec
new file mode 100644
index 0000000000..5b34633378
--- /dev/null
+++ b/lib/parsetools/test/parsetools.spec
@@ -0,0 +1 @@
+{topcase, {dir, "../parsetools_test"}}.
diff --git a/lib/parsetools/test/yecc_SUITE.erl b/lib/parsetools/test/yecc_SUITE.erl
new file mode 100644
index 0000000000..212557194c
--- /dev/null
+++ b/lib/parsetools/test/yecc_SUITE.erl
@@ -0,0 +1,1795 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2005-2010. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(yecc_SUITE).
+
+%-define(debug, true).
+
+-include_lib("stdlib/include/erl_compile.hrl").
+
+-ifdef(debug).
+-define(line, put(line, ?LINE), ).
+-define(config(X,Y), foo).
+-define(datadir, "yecc_SUITE_data").
+-define(privdir, "yecc_SUITE_priv").
+-define(t, test_server).
+-else.
+-include("test_server.hrl").
+-define(datadir, ?config(data_dir, Config)).
+-define(privdir, ?config(priv_dir, Config)).
+-endif.
+
+-export([all/1, init_per_testcase/2, fin_per_testcase/2]).
+
+-export([app_test/1,
+ checks/1,
+ file/1, syntax/1, compile/1, rules/1, expect/1,
+ conflicts/1,
+ examples/1,
+ empty/1, prec/1, yeccpre/1, lalr/1, old_yecc/1,
+ other_examples/1,
+ bugs/1,
+ otp_5369/1, otp_6362/1, otp_7945/1,
+ improvements/1,
+ otp_7292/1, otp_7969/1]).
+
+% Default timetrap timeout (set in init_per_testcase).
+-define(default_timeout, ?t:minutes(1)).
+
+init_per_testcase(_Case, Config) ->
+ ?line Dog = ?t:timetrap(?default_timeout),
+ [{watchdog, Dog} | Config].
+
+fin_per_testcase(_Case, Config) ->
+ Dog = ?config(watchdog, Config),
+ test_server:timetrap_cancel(Dog),
+ ok.
+
+all(suite) -> [app_test, checks, examples, bugs, improvements].
+
+app_test(doc) ->
+ ["Tests the applications consistency."];
+app_test(suite) ->
+ [];
+app_test(Config) when is_list(Config) ->
+ ?line ok=?t:app_test(parsetools),
+ ok.
+
+checks(suite) ->
+ [file, syntax, compile, rules, expect, conflicts].
+
+file(doc) ->
+ "Bad files and options.";
+file(suite) -> [];
+file(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Ret = [return, {report, false}],
+ ?line {error,[{_,[{none,yecc,{file_error,_}}]}],[]} =
+ yecc:file("not_a_file", Ret),
+ ?line {error,[{_,[{none,yecc,{file_error,_}}]}],[]} =
+ yecc:file("not_a_file", [{return,true}]),
+ ?line {error,[{_,[{none,yecc,{file_error,_}}]}],[]} =
+ yecc:file("not_a_file", [{report,false},return_errors]),
+ ?line error = yecc:file("not_a_file"),
+ ?line error = yecc:file("not_a_file", [{return,false},report]),
+ ?line error = yecc:file("not_a_file", [return_warnings,{report,false}]),
+ Filename = filename:join(Dir, "file.yrl"),
+ file:delete(Filename),
+
+ ?line {'EXIT', {badarg, _}} = (catch yecc:file({foo})),
+ ?line {'EXIT', {badarg, _}} =
+ (catch yecc:file(Filename, {parserfile,{foo}})),
+ ?line {'EXIT', {badarg, _}} =
+ (catch yecc:file(Filename, {includefile,{foo}})),
+
+ ?line {'EXIT', {badarg, _}} = (catch yecc:file(Filename, no_option)),
+ ?line {'EXIT', {badarg, _}} =
+ (catch yecc:file(Filename, [return | report])),
+ ?line {'EXIT', {badarg, _}} =
+ (catch yecc:file(Filename, {return,foo})),
+ ?line {'EXIT', {badarg, _}} =
+ (catch yecc:file(Filename, includefile)),
+
+ Mini = <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ nt -> t.">>,
+ ?line ok = file:write_file(Filename, Mini),
+ ?line {error,[{_,[{none,yecc,{file_error,_}}]}],[]} =
+ yecc:file(Filename, [{parserfile,"//"} | Ret]),
+
+ ?line {error,[{_,[{none,yecc,{file_error,_}}]}],[]} =
+ yecc:file(Filename, [{includefile,"//"} | Ret]),
+ ?line {error,[{_,[{none,yecc,{file_error,_}}]}],[]} =
+ yecc:file(Filename, [{includefile,"/ /"} | Ret]),
+
+ YeccPre = filename:join(Dir, "yeccpre.hrl"),
+ ?line ok = file:write_file(YeccPre, <<"syntax error. ">>),
+ PreErrors1 = run_test(Config, Mini, YeccPre),
+ ?line {errors,[_],[]} = extract(YeccPre, PreErrors1),
+ ?line ok = file:write_file(YeccPre, my_yeccpre()),
+ ?line {'EXIT', {undef,_}} = (catch run_test(Config, Mini, YeccPre)),
+
+ MiniCode = <<"
+ Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ nt -> t.
+ Erlang code.
+ ">>,
+ ?line {'EXIT', {undef,_}} = (catch run_test(Config, MiniCode, YeccPre)),
+
+ file:delete(YeccPre),
+ file:delete(Filename),
+
+ ok.
+
+syntax(doc) ->
+ "Syntax checks.";
+syntax(suite) -> [];
+syntax(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ %% Report errors. Very simple test of format_error/1.
+ Ret = [return, {report, true}],
+ Filename = filename:join(Dir, "file.yrl"),
+ Parserfile1 = filename:join(Dir, "a file"),
+
+ ?line ok = file:write_file(Filename, <<"">>),
+ ?line {error,[{_,[{none,yecc,no_grammar_rules},
+ {none,yecc,nonterminals_missing},
+ {none,yecc,rootsymbol_missing},
+ {none,yecc,terminals_missing}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"Nonterminals">>),
+ ?line {error,[{_,[{_,yecc,{error,yeccparser,_}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"Nonterminals nt.">>),
+ ?line {error,[{_,[{none,yecc,no_grammar_rules},
+ {none,yecc,rootsymbol_missing},
+ {none,yecc,terminals_missing}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"Nonterminals nt. Terminals t.">>),
+ ?line {error,[{_,[{none,yecc,no_grammar_rules},
+ {none,yecc,rootsymbol_missing}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Nonterminals and terminals not disjoint.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt 't t'. Terminals t 't t'. Rootsymbol nt.">>),
+ ?line {error,[{_,[{1,yecc,{symbol_terminal_and_nonterminal,'t t'}},
+ {none,yecc,no_grammar_rules}]}],
+ []} = yecc:file(Filename, Ret),
+
+ %% Rootsymbol is not a nonterminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t.
+ Rootsymbol t. nt -> t.">>),
+ ?line {error,[{_,[{2,yecc,{bad_rootsymbol,t}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Rootsymbol is not a nonterminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t.
+ Rootsymbol t. nt -> t.">>),
+ ?line {error,[{_,[{2,yecc,{bad_rootsymbol,t}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Endsymbol is a nonterminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt.
+ Endsymbol nt.
+ nt -> t.">>),
+ ?line {error,[{_,[{2,yecc,{endsymbol_is_nonterminal,nt}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Endsymbol is a terminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt.
+ Endsymbol t.
+ nt -> t.">>),
+ ?line {error,[{_,[{2,yecc,{endsymbol_is_terminal,t}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% No grammar rules.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt. Endsymbol e.">>),
+ ?line {error,[{_,[{none,yecc,no_grammar_rules}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Bad declaration.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt. Endsymbol e.
+ nt -> t. e e.">>),
+ ?line {ok,_,[{_,[{2,yecc,bad_declaration}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Bad declaration.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t.
+ Rootsymbol nt nt. Rootsymbol nt. Endsymbol e.
+ nt -> t.">>),
+ ?line {ok,_,[{_,[{2,yecc,bad_declaration}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Syntax error found by yeccparser.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt. Endsymbol e.
+ a - a.">>),
+ ?line {error,[{_,[{2,yecc,{error,_yeccparser,_}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Syntax error: unknown nonterminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt. Endsymbol e.
+ 'unknown ' -> t.">>),
+ ?line {error,[{_,[{2,yecc,{undefined_nonterminal,'unknown '}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Undefined rhs symbols. Note quotes in output.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals Nonterminals nt.
+ Terminals t Terminals.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> Nonterminals.
+ Nonterminals -> Terminals receive foo 45
+ '17' 'a b'.">>),
+ ?line {error,[{_,[{6,yecc,{undefined_symbol,45}},
+ {6,yecc,{undefined_symbol,foo}},
+ {6,yecc,{undefined_symbol,'receive'}},
+ {7,yecc,{undefined_symbol,'17'}},
+ {7,yecc,{undefined_symbol,'a b'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% '$empty' used early, before Terminals. OK.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ nt -> '$empty'.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.">>),
+ ?line {ok,_,[{_,[{3,yecc,{unused_terminal,t}}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Illegal use of '$empty'.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt nt2.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t.
+ nt2 -> t '$empty'.">>),
+ ?line {error,[{_,[{6,yecc,illegal_empty}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ ParserFile3 = [{parserfile, Parserfile1}],
+
+ %% Bad Erlang expression in action. Changed in OTP-7224.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t : a bad code.">>),
+ ?line {ok, _, []} = yecc:file(Filename, ParserFile3 ++ Ret),
+
+ SzYeccPre = yeccpre_size(),
+ %% Note: checking the line numbers. Changes when yeccpre.hrl changes.
+ fun() ->
+ ?line {error,[{_,[{5,_,["syntax error before: ","bad"]}]},
+ {_,[{L1,_,{undefined_function,{yeccpars2_2_,1}}},
+ {L2,_,{bad_inline,{yeccpars2_2_,1}}}]}],
+ []} = compile:file(Parserfile1, [basic_validation,return]),
+ ?line L1 = 24 + SzYeccPre,
+ ?line L2 = 31 + SzYeccPre
+ end(),
+
+ %% Bad macro in action. OTP-7224.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t : ?F(3).">>),
+ ?line {ok, _, []} = yecc:file(Filename, ParserFile3 ++ Ret),
+ %% Note: checking the line numbers. Changes when yeccpre.hrl changes.
+ fun() ->
+ ?line {error,[{_,[{5,_,{undefined,'F'}}]},
+ {_,[{L1,_,{undefined_function,{yeccpars2_2_,1}}},
+ {L2,_,{bad_inline,{yeccpars2_2_,1}}}]}],
+ []} = compile:file(Parserfile1, [basic_validation,return]),
+ ?line L1 = 24 + SzYeccPre,
+ ?line L2 = 31 + SzYeccPre
+ end(),
+
+ %% Check line numbers. OTP-7224.
+ ?line ok = file:write_file(Filename,
+ <<"Terminals t.
+ Nonterminals nt.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t : ?F(3).
+ Erlang code.
+ -define(F(X), X).
+ t() ->
+ bad().">>),
+ ?line {ok, _, []} = yecc:file(Filename, ParserFile3 ++ Ret),
+ ?line {error,[{_,[{9,_,{undefined_function,{bad,0}}}]}],
+ [{_,[{8,_,{unused_function,{t,0}}}]}]}
+ = compile:file(Parserfile1, [basic_validation, return]),
+
+ %% Terminals defined before nonterminals. (One of many checks...)
+ %% Used to give an error message, but now allowed.
+ ?line ok = file:write_file(Filename,
+ <<"Terminals t.
+ Nonterminals nt.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t.
+ Erlang code.">>),
+ ?line {ok, _, []} = yecc:file(Filename, Ret),
+
+ %% Precedence with swapped arguments. Bad declaration.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t.
+ Right t.
+ Left nt 100.">>),
+ ?line {ok,_,[{_,[{6,yecc,bad_declaration},{7,yecc,bad_declaration}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Precedence with unknown operator.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t.
+ Unary 100 '-'.">>),
+ ?line {error,[{_,[{6,yecc,{precedence_op_is_unknown,'-'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Precedence with endsymbol operator.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t.
+ Unary 100 e.">>),
+ ?line {error,[{_,[{6,yecc,{precedence_op_is_endsymbol,e}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Duplicated precedence.
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals nt.
+ Terminals t '+'.
+ Rootsymbol nt.
+ nt -> t '+' nt.
+ Left 100 '+'.
+ Right 200 t.
+ Left 200 '+'.
+ Left 200 '+'.
+ Right 200 t.">>),
+ ?line {error,[{_,[{8,yecc,{duplicate_precedence,'+'}},
+ {9,yecc,{duplicate_precedence,'+'}},
+ {10,yecc,{duplicate_precedence,t}}]}],
+ []} = yecc:file(Filename, Ret),
+
+ %% Duplicated nonterminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals 'n t' 'n t'. Terminals t.
+ Rootsymbol 'n t'. 'n t' -> t.">>),
+ ?line {ok, _, [{_,[{1,yecc,{duplicate_nonterminal,'n t'}}]}]} =
+ yecc:file(Filename, Ret),
+ ?line {ok, _, [{_,[{1,yecc,{duplicate_nonterminal,'n t'}}]}]} =
+ yecc:file(Filename, [return_warnings, {report, false}]),
+ ?line {ok, _} = yecc:file(Filename),
+ ?line {ok, _} =
+ yecc:file(Filename, [{report,false}, {return_warnings,false}]),
+
+ %% Duplicated terminal.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals 't t' 't t'.
+ Rootsymbol nt. nt -> 't t'.">>),
+ ?line {ok, _, [{_,[{1,yecc,{duplicate_terminal,'t t'}}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Two Nonterminals declarations.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t.
+ Nonterminals nt2.
+ Rootsymbol nt2. nt -> t. nt2 -> nt.">>),
+ ?line {error,[{_,[{2,yecc,{duplicate_declaration,'Nonterminals'}}]}],
+ []} = yecc:file(Filename, Ret),
+
+ %% Three Terminals declarations.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t.
+ Terminals t1.
+ Terminals t1.
+ Rootsymbol nt. nt -> t t1.">>),
+ ?line {error,[{_,[{2,yecc,{duplicate_declaration,'Terminals'}},
+ {3,yecc,{duplicate_declaration,'Terminals'}}]}],
+ []} = yecc:file(Filename, Ret),
+
+ %% Two root symbols.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol t.
+ Rootsymbol nt. nt -> t.">>),
+ ?line {error,[{_,[{2,yecc,{duplicate_declaration,'Rootsymbol'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Two end symbols.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol t.
+ Endsymbol e.
+ Endsymbol e. nt -> t.">>),
+ ?line {error,[{_,[{3,yecc,{duplicate_declaration,'Endsymbol'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Two end symbols.
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol t.
+ Expect 1.
+ Expect 0.
+ Endsymbol e. nt -> t.">>),
+ ?line {error,[{_,[{3,yecc,{duplicate_declaration,'Expect'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Some words should not be used.
+ ?line ok = file:write_file(Filename, <<"
+ Terminals '$empty' '$end'.
+ Nonterminals '$undefined'.
+ Rootsymbol '$undefined'.
+ Endsymbol '$end'.
+ '$undefined' -> '$empty'.
+ ">>),
+ ?line {error,[{_,[{2,yecc,{reserved,'$empty'}},
+ {2,yecc,{reserved,'$end'}},
+ {3,yecc,{reserved,'$undefined'}},
+ {5,yecc,{endsymbol_is_terminal,'$end'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Undefined pseudo variable.
+ ?line ok = file:write_file(Filename,<<"
+ Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ nt -> t : '$2'.
+ ">>),
+ ?line {error,[{_,[{5,yecc,{undefined_pseudo_variable,'$2'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Space in module name.
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals list.
+ Terminals element.
+ Rootsymbol list.
+
+ list -> element : {single, '$1'}.
+ list -> list element : {pair, '$1', '$2'}.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ L = [{element, 1}, {element, 2}, {element, 3}],
+ {ok,_} = parse(L),
+ ok.
+ ">>),
+
+ Parserfile2 = filename:join(Dir, "a \"file\""),
+ %% The parser (yeccgramm.yrl) allows many symbol names...
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals Nonterminals Rootsymbol ':' '->'.
+ Terminals Terminals.
+ Rootsymbol Rootsymbol.
+ Endsymbol e.
+ Rootsymbol -> Nonterminals ':' '->'.
+ Nonterminals -> Terminals.
+ ':' -> '->'.
+ '->' -> Terminals.
+ ">>),
+ ?line {ok, _} = yecc:file(Filename, [{parserfile, Parserfile1}]),
+ ?line {ok, _} = yecc:file(Filename, [{parserfile, Parserfile1},time]),
+ ?line {ok,[]} = compile:file(Parserfile1, [basic_validation]),
+
+ Quotes = <<"
+ Nonterminals
+ tail try 17 42 Unused ' unused ' '42' 'fnutt\\'' receive.
+
+ Terminals
+ ']' '|' ',' '\"hi\"' 'there\\'' 'you\\'' ACCEPT.
+
+ Rootsymbol 17.
+
+ Endsymbol '$end'.
+
+ 17 -> try : '$1':more([\"hi \\\" there\", '.', 3.14, % $3 , % '$1' is a module
+ -104, ' ', ' a', '->', $a, $\t]), '$1'.
+
+ try -> tail 'you\\'' 'fnutt\\''.
+
+ 'fnutt\\'' -> 'you\\'' ACCEPT.
+
+ '42' -> tail.
+
+ tail -> ']' :
+ (fun(Strange) -> foo end)(apa).
+ tail -> '|' try ']' :
+ (fun(Strange) -> foo;
+ (_) -> 'when' % warning
+ end)('ap a', foo),
+ %% This line intentionally left blank.
+ R = #rec{},
+ A = R#rec.a,
+ <<\"hi\">> = <<\"hi\">>,
+ there.
+ tail -> ',' try tail : {cons,line('$2'),'$2','$3'}.
+
+
+ Erlang code.
+
+ -export([t/0]).
+
+ -record(rec, {a}).
+
+ just(Some, Code) ->
+ true.
+
+ more(Code) ->
+ io:format(\"~p~n\", [Code]), true.
+
+ line(_) ->
+ 17.
+
+ t() ->
+ ok. % compiled successfully...
+
+ ">>,
+
+ ?line ok = file:write_file(Filename, Quotes),
+ ?line {ok,_,[{_,
+ [{3,yecc,{unused_nonterminal,42}},
+ {3,yecc,{unused_nonterminal,' unused '}},
+ {3,yecc,{unused_nonterminal,'42'}},
+ {3,yecc,{unused_nonterminal,'Unused'}},
+ {3,yecc,{unused_nonterminal,'receive'}},
+ {6,yecc,{unused_terminal,'"hi"'}},
+ {6,yecc,{unused_terminal,'there\''}}]}]} =
+ yecc:file(Filename, Ret),
+
+ Ts = [{quotes, Quotes, default, ok}],
+ ?line run(Config, Ts),
+
+ %% Non-terminal has no rules, but is unused.
+ ?line ok = file:write_file(Filename,<<"
+ Nonterminals nt bad.
+ Terminals t.
+ Rootsymbol nt.
+
+ nt -> t : something.
+ ">>),
+ ?line {ok,_,[{_,[{2,yecc,{unused_nonterminal,bad}}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Non-terminal has no rules and is used.
+ ?line ok = file:write_file(Filename,<<"
+ Nonterminals nt bad.
+ Terminals t.
+ Rootsymbol nt.
+
+ nt -> t bad : something.
+ ">>),
+ ?line {error,[{_,[{2,yecc,{missing_syntax_rule,bad}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% Warning in Erlang code. With and without file attributes.
+ ?line ok = file:write_file(Filename,<<"
+ Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+
+ nt -> t : t(17).
+
+ Erlang code.
+
+ t(A) ->
+ b.
+ ">>),
+ ?line {ok, _, []} =
+ yecc:file(Filename, [file_attributes | Ret]),
+ Opts = [basic_validation, return],
+ Erlfile = filename:join(Dir, "file.erl"),
+ ?line {ok,[],[{_,[{10,_,_}]}]} = compile:file(Erlfile, Opts),
+ ?line {ok, _, []} =
+ yecc:file(Filename, [{file_attributes,false} | Ret]),
+ ?line {ok,[],[{_,[{4,_,_}]}]} = compile:file(Erlfile, Opts),
+
+ file:delete(Parserfile1 ++ ".erl"),
+ file:delete(Parserfile2 ++ ".erl"),
+ file:delete(Filename),
+
+ ok.
+
+compile(doc) ->
+ "Check of compile/3.";
+compile(suite) -> [];
+compile(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Filename = filename:join(Dir, "file.yrl"),
+ Parserfile = filename:join(Dir, "file.erl"),
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ nt -> t.">>),
+ ?line error = yecc:compile(Filename, "//", #options{}),
+ ?line ok = yecc:compile(Filename, Parserfile, #options{}),
+ file:delete(Parserfile),
+ file:delete(Filename),
+ ok.
+
+rules(doc) ->
+ "Check of rules.";
+rules(suite) -> [];
+rules(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Ret = [return, {report, false}],
+ Filename = filename:join(Dir, "file.yrl"),
+
+ ?line ok = file:write_file(Filename,
+ <<"Nonterminals nt. Terminals t. Rootsymbol nt.
+ nt -> t. nt -> t.">>),
+ ?line {error,[{_,[{none,yecc,{conflict,_}}]}],
+ [{_,[{none,yecc,{conflicts,0,1}}]}]} =
+ yecc:file(Filename, [return, report]),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals A B E.
+ Terminals c d f x y.
+ Rootsymbol A.
+
+ A -> B c d.
+ A -> E c f.
+ B -> x y.
+ E -> x y.
+ ">>),
+ ?line {error,[{_,[{none,yecc,{conflict,_}}]}],
+ [{_,[{none,yecc,{conflicts,0,1}}]}]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename,<<"
+ Terminals t.
+ Nonterminals nt.
+ Rootsymbol nt.
+ nt -> '$empty' : '$1'.
+ nt -> t.
+ ">>),
+ ?line {error,[{_,[{5,yecc,{undefined_pseudo_variable,'$1'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename,<<"
+ Terminals t.
+ Nonterminals nt.
+ Rootsymbol nt.
+ nt -> '$empty' : '$0'.
+ nt -> t.
+ ">>),
+ ?line {error,[{_,[{5,yecc,{undefined_pseudo_variable,'$0'}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ file:delete(Filename),
+
+ %% No precedences.
+ Ts = [{rules_1,<<"
+ Nonterminals exp.
+ Terminals number '*' '+' '(' ')'.
+ Rootsymbol exp.
+
+ exp -> exp '+' exp : {plus,'$1','$3'}.
+ exp -> exp '*' exp : {times,'$1','$3'}.
+ exp -> number : element(2, '$1').
+ exp -> '(' exp ')' : '$2'.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {ok, {times, 1, {plus, 3, 5}}} =
+ parse([{number,1}, {'*',2}, {number,3},
+ {'+',4}, {number,5}]),
+ ok.
+ ">>,
+ default,
+ ok}],
+ ?line run(Config, Ts),
+ ok.
+
+examples(suite) ->
+ [empty, prec, yeccpre, lalr, old_yecc, other_examples].
+
+expect(doc) ->
+ "Check of expect.";
+expect(suite) -> [];
+expect(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Ret = [return, {report, true}],
+ Filename = filename:join(Dir, "file.yrl"),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals e.
+ Terminals i t else.
+ Rootsymbol e.
+ Expect a.
+
+ e -> i e t e.
+ e -> i e t e else e.
+ ">>),
+ ?line {error,[{_,[{5,yecc,{bad_expect,a}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals e.
+ Terminals i t else.
+ Rootsymbol e.
+ Expect 1.
+
+ e -> i e t e.
+ e -> i e t e else e.
+ ">>),
+ ?line {ok, _, []} = yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals e.
+ Terminals i t else.
+ Rootsymbol e.
+ Expect 2.
+
+ e -> i e t e.
+ e -> i e t e else e.
+ ">>),
+ ?line {ok, _, [{_,[{none,yecc,{conflicts,1,0}}]}]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals e.
+ Terminals i t else.
+ Rootsymbol e.
+ Expect -2.
+
+ e -> i e t e.
+ e -> i e t e else e.
+ ">>),
+ ?line {error,[{_,[{5,yecc,{error,_yeccparser,_}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ %% States N. An undocumented declaration used for testing.
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ States 100.
+ nt -> t.">>),
+ ?line {ok,_,[{_, [{none,yecc,{n_states,100,3}}]}]} =
+ yecc:file(Filename, Ret),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ States bad.
+ nt -> t.">>),
+ ?line {error,[{_,[{5,yecc,{bad_states,bad}}]}],[]} =
+ yecc:file(Filename, Ret),
+
+ file:delete(Filename),
+ ok.
+
+conflicts(doc) ->
+ "Shift/reduce and reduce/reduce conflicts.";
+conflicts(suite) -> [];
+conflicts(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Ret = [return, {report, true}],
+ Filename = filename:join(Dir, "file.yrl"),
+
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals S List Tuple Elements Element.
+ Terminals '{' '}' '[' ']' ',' nil e.
+ Rootsymbol S.
+
+ S -> '$empty' : empty.
+ S -> List : '$1'.
+
+ List -> '$empty' : [].
+ List -> nil : [].
+ List -> '[' Tuple ']' : {list, '$2'}.
+
+ Tuple -> '$empty' : {}.
+ Tuple -> '{' '}' : {}.
+ Tuple -> '{' Elements '}' : {tuple, '$2'}.
+
+ Elements -> '$empty' : none.
+ Elements -> Elements ',' Element : {elements, '$3', '$1'}.
+ Elements -> Element : '$1'.
+
+ Element -> List : '$1'.
+ Element -> Tuple : '$1'.
+ Element -> e : '$1'.
+ ">>),
+ ?line {error,[{_,_}],[{_,[{none,yecc,{conflicts,1,5}}]}]} =
+ yecc:file(Filename, Ret),
+
+ %% Can easily be resolved (but don't do it!).
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals S List Tuple Elements Element.
+ Terminals '{' '}' '[' ']' ',' nil e.
+ Rootsymbol S.
+
+ Right 100 List.
+
+ S -> '$empty' : empty.
+ S -> List : '$1'.
+
+ List -> '$empty' : [].
+ List -> nil : [].
+ List -> '[' Tuple ']' : {list, '$2'}.
+
+ Tuple -> '$empty' : {}.
+ Tuple -> '{' '}' : {}.
+ Tuple -> '{' Elements '}' : {tuple, '$2'}.
+
+ Elements -> '$empty' : none.
+ Elements -> Elements ',' Element : {elements, '$3', '$1'}.
+ Elements -> Element : '$1'.
+
+ Element -> List : '$1'.
+ Element -> Tuple : '$1'.
+ Element -> e : '$1'.
+ ">>),
+ ?line {ok, _, []} =
+ yecc:file(Filename, Ret),
+
+ file:delete(Filename),
+ ok.
+
+empty(doc) ->
+ "'$empty'.";
+empty(suite) -> [];
+empty(Config) when is_list(Config) ->
+ Ts = [{empty_1, <<"
+ Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> '$empty': nothing.
+ nt -> t : something.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {ok, nothing} = parse([{e,2}]),
+ {ok, something} = parse([{t,1},{e,2}]),
+ ok.">>,
+ default,
+ ok},
+ {empty_2, <<"
+ %% There used to be a bug when it came to the left
+ %% corners. In this example rule 2 is a prefix of rule 1
+ %% such that the rule 2 generates $empty but rule 1 does
+ %% not. The old buggy code seemingly worked well too.
+ Nonterminals top A B C D.
+ Terminals t.
+ Rootsymbol top.
+
+ top -> A B C D : {'$1','$2','$3','$4'}.
+ top -> A B C : {'$1','$2','$3'}.
+
+ A -> '$empty' : e.
+ B -> '$empty' : e.
+ C -> '$empty' : e.
+
+ D -> t : t.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {ok,{e,e,e,t}} = parse([{t, 1}]),
+ {ok,{e,e,e}} = parse([]),
+ ok.
+ ">>,
+ default,
+ ok}],
+ ?line run(Config, Ts),
+ ok.
+
+prec(doc) ->
+ "Precedence.";
+prec(suite) -> [];
+prec(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Ret = [return, {report, false}],
+ Filename = filename:join(Dir, "file.yrl"),
+
+ %% Don't know what 'Unary' actually means, but this is how it has
+ %% always worked...
+ ?line ok = file:write_file(Filename, <<"
+ Nonterminals E.
+ Terminals '*' '+' '=' integer.
+ Rootsymbol E.
+
+ E -> E '=' E : {op, '=', '$1', '$3'}.
+ E -> E '*' E : {op, '*', '$1', '$3'}.
+ E -> E '+' E : {op, '+', '$1', '$3'}.
+ E -> integer : '$1'.
+
+ Unary 100 '='.
+ Left 200 '+'.
+ Left 400 '*'.
+ ">>),
+ ?line {error,[{_,[{none,yecc,{conflict,_}}]}],
+ [{_,[{none,yecc,{conflicts,1,0}}]}]} =
+ yecc:file(Filename, Ret),
+
+ Ts = [{prec_1, <<"
+ Nonterminals E Expr Uminus.
+ Terminals '=' '+' '*' '-' '(' ')' integer var dot.
+ Rootsymbol Expr.
+
+ Expr -> E dot : '$1'.
+ E -> var '=' E : {match, line_of('$1'), '$1', '$3'}.
+ E -> E '+' E : {op, line_of('$1'), '+', '$1', '$3'}.
+ E -> E '-' E : {op, line_of('$1'), '-', '$1', '$3'}.
+ E -> E '*' E : {op, line_of('$1'), '*', '$1', '$3'}.
+ E -> Uminus : '$1'.
+ E -> '(' E ')' : '$2'.
+ E -> integer : '$1'.
+
+ Uminus -> '-' E : {op, line_of('$1'), '-', '$2'}.
+
+ Right 200 '='.
+ Left 300 '+'.
+ Left 300 '-'.
+ Left 400 '*'.
+ Unary 500 Uminus.
+
+ Erlang code.
+
+ -export([t/0, t/1]).
+
+ line_of(Token) ->
+ element(2, Token).
+
+ t() ->
+ {ok, -56} = t(\"A = (4 + 3) * - 8. \"),
+ {ok, 28} = t(\"A = 4 + B=3 * 8. \"),
+ {ok, 28} = t(\"4 - 3 * - 8. \"),
+ {ok, -20} = t(\"4 - 3 * 8. \"),
+ {ok, 2} = t(\"1 - - 1.\"),
+ ok.
+
+ t(S) ->
+ case erl_scan:string(S) of
+ {ok, Tokens, _Line} ->
+ case parse(Tokens) of
+ {ok, Expr} ->
+ case catch erl_eval:expr(Expr, []) of
+ {value, Value, _Bs} ->
+ {ok, Value};
+ {'EXIT', Reason} ->
+ {error, Reason}
+ end;
+ Error ->
+ Error
+ end;
+ Error ->
+ Error
+ end.
+ ">>,
+ default,
+ ok},
+
+ {prec_2, <<"
+ Nonterminals E uminus.
+ Terminals '*' '-' integer.
+ Rootsymbol E.
+
+ E -> E '-' E : {op, '-', '$1', '$3'}.
+ E -> E '*' E : {op, '*', '$1', '$3'}.
+ E -> uminus: '$1'.
+ E -> integer : '$1'.
+
+ uminus -> '-' E : {op, '-', '$2'}.
+
+ Left 200 '-'.
+ Left 400 '*'.
+ Unary 500 uminus.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ %% This used to be parsed -(4 * 3), but that has been corrected:
+ {ok,{op,'*',{op,'-',{integer,1,4}},{integer,3,12}}} =
+ parse([{'-',0},{integer,1,4},{'*',2},{integer,3,12}]),
+
+ {ok,{op,'-',{op,'-',{integer,1,4}},{integer,3,12}}} =
+ parse([{'-',0},{integer,1,4},{'-',2},{integer,3,12}]),
+ {ok,{op,'*',{op,'-',{op,'-',{integer,2,4}}},{integer,4,12}}} =
+ parse([{'-',0},{'-',1},{integer,2,4},{'*',3},{integer,4,12}]),
+ {ok,{op,'-',{integer,1,4},{op,'-',{integer,4,12}}}} =
+ parse([{integer,1,4},{'-',2},{'-',3},{integer,4,12}]),
+ ok.
+ ">>,
+ default,
+ ok},
+ {prec_3, <<"
+ Nonterminals nt.
+ Terminals '(' ')' t op.
+ Rootsymbol nt.
+
+ Nonassoc 100 op.
+
+ nt -> nt op nt : {'$2', '$1', '$3'}.
+ nt -> '(' nt ')' : '$2'.
+ nt -> t : '$1'.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {error,{4,yecc_test,[\"syntax error before: \",\"op\"]}} =
+ parse([{t,1},{op,2},{t,3},{op,4},{t,5}]),
+ {ok,{{op,2},{t,1},{{op,5},{t,4},{t,6}}}} =
+ parse([{t,1},{op,2},{'(',3},{t,4},{op,5},{t,6},{')',7}]),
+ ok.
+ ">>,
+ default,
+ ok},
+
+ {prec_4, <<"
+ Nonterminals E.
+ Terminals '-' '+' '=' id.
+ Rootsymbol E.
+
+ E -> E '=' E : {op, '=', '$1', '$3'}.
+ E -> E '+' E : {op, '+', '$1', '$3'}.
+ E -> '-' E : {op, '-', '$2'}.
+ E -> id : '$1'.
+
+ Nonassoc 100 '='.
+ Right 200 '+' '-'.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {ok,{op,'=',{id,1},{op,'-',{op,'+',{id,4},{id,6}}}}} =
+ parse([{id,1},{'=',2},{'-',3},{id,4},{'+',5},{id,6}]),
+ ok.
+
+ ">>,
+ default,
+ ok}],
+
+ ?line run(Config, Ts),
+ ok.
+
+yeccpre(doc) ->
+ "Errors etc. in actions, handled by yeccpre. parse_and_scan.";
+yeccpre(suite) -> [];
+yeccpre(Config) when is_list(Config) ->
+ Ts = [{error_1, <<"
+ Nonterminals list.
+ Terminals element e.
+ Rootsymbol list.
+
+ list -> element : {single, '$1'}.
+ list -> list element : throw(error).
+ list -> e : return_error(element(2, '$1'), bad_element).
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ error = (catch parse([{element,1},{element,2}])),
+ {error, {2, _, Mess}} = parse([{element,1},{e,2}]),
+ ok.
+ ">>,
+ default,
+ ok},
+
+ {error_2, <<"
+ Nonterminals list.
+ Terminals element.
+ Rootsymbol list.
+
+ list -> element.
+
+ Erlang code.
+
+ -export([t/0, scan/1]).
+
+ scan(How) ->
+ case How of
+ thrown -> throw(thrown);
+ error -> erlang:error(error);
+ exit -> exit(exit)
+ end.
+
+ t() ->
+ try parse_and_scan({yecc_test, scan, [thrown]})
+ catch throw: thrown ->
+ ok
+ end,
+ try parse_and_scan({yecc_test, scan, [error]})
+ catch error: error ->
+ ok
+ end,
+ try parse_and_scan({{yecc_test, scan}, [exit]})
+ catch exit: exit ->
+ ok
+ end,
+ try parse_and_scan({fun scan/1, [thrown]})
+ catch throw: thrown ->
+ ok
+ end,
+ ok.
+ ">>,
+ default,
+ ok}],
+
+ ?line run(Config, Ts),
+ ok.
+
+lalr(doc) ->
+ "Examples of grammars that are LALR(1) but not SLR(1).";
+lalr(suite) -> [];
+lalr(Config) when is_list(Config) ->
+ Ts = [{lalr_1, <<"
+ %% http://inst.cs.berkeley.edu/~cs164/lectures/slide14a.pdf
+ %% http://pages.cpsc.ucalgary.ca/~robin/class/411/LR.1.html
+ %% b d . c. Shift or reduce?
+ Nonterminals S A.
+ Terminals a b c d.
+ Rootsymbol S.
+ S -> A a : {r1,'$1','$2'}.
+ S -> b A c : {r2,'$1','$2','$3'}.
+ S -> d c : {r3,'$1','$2'}.
+ S -> b d a : {r4,'$1','$2','$3'}.
+
+ A -> d : {r5,'$1'}.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ %% Reduce!
+ {ok,{r2,{b,1},{r5,{d,2}},{c,3}}} = parse([{b,1},{d,2},{c,3}]),
+ ok.
+ ">>,
+ default,
+ ok},
+ {lalr_2, <<"
+ %% http://www.cs.pitt.edu/~mock/cs2210/lectures/lecture5.pdf
+ Nonterminals S L R.
+ Terminals '*' id '='.
+ Rootsymbol S.
+ S -> L '=' R : {r1,'$1','$3'}.
+ S -> R : {r2,'$1'}.
+
+ L -> '*' R : {r3,'$2'}.
+ L -> id : {r4,'$1'}.
+
+ R -> L : {r5,'$1'}.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {ok,{r1,{r3,{r5,{r4,{id,1}}}},{r5,{r4,{id,3}}}}} =
+ parse([{'*',0},{id,1},{'=',2},{id,3}]),
+ ok.
+ ">>,
+ default,
+ ok}],
+ ?line run(Config, Ts),
+ ok.
+
+old_yecc(doc) ->
+ "The old interface yecc:yecc/2,3,4.";
+old_yecc(suite) -> [];
+old_yecc(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Filename = filename:join(Dir, "file.yrl"),
+ Parserfile = filename:join(Dir, "file.erl"),
+ Mini = <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ nt -> t.">>,
+ ?line ok = file:write_file(Filename, Mini),
+ ?line {_, _} = yecc:yecc(Filename, Parserfile),
+ ?line {_, _} = yecc:yecc(Filename, Parserfile, true),
+ ?line {_, _} = yecc:yecc(Filename, Parserfile, true),
+ TE = process_flag(trap_exit, true),
+ ?line {'EXIT', error} =
+ (catch yecc:yecc(Filename, Parserfile, false, Parserfile)),
+ _ = process_flag(trap_exit, TE),
+ ok.
+
+other_examples(doc) ->
+ "Misc examples.";
+other_examples(suite) -> [];
+other_examples(Config) when is_list(Config) ->
+ Ts = [{empty, <<"
+ %% G1 from the 1974 article.
+
+ Nonterminals LIST ELEMENT.
+ Terminals ',' a b.
+ Rootsymbol LIST.
+
+ LIST -> LIST ',' ELEMENT : {'$1', '$3'}.
+ LIST -> ELEMENT : '$1'.
+
+ ELEMENT -> a : '$1'.
+ ELEMENT -> b : '$1'.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ L = [{a, 1}, {',', 2}, {b, 3}],
+ {ok,{{a,1},{b,3}}} = parse(L),
+ ok.
+ ">>,
+ default,
+ ok}],
+ ?line run(Config, Ts),
+ ok.
+
+bugs(suite) ->
+ [otp_5369, otp_6362, otp_7945].
+
+otp_5369(doc) ->
+ "OTP-5369. A bug in parse_and_scan reported on erlang questions.";
+otp_5369(suite) -> [];
+otp_5369(Config) when is_list(Config) ->
+ Ts = [{otp_5369,<<"
+ Nonterminals list.
+ Terminals element.
+ Rootsymbol list.
+
+ list -> element : {single, '$1'}.
+ list -> list element : {pair, '$1', '$2'}.
+
+ Erlang code.
+
+ -export([t/0, scan/1]).
+
+ scan(Lexer) ->
+ Lexer ! {scan, self()},
+ receive
+ {ok, Lexer, [Token], Position} ->
+ {ok, [Token], Position};
+ {eof, Lexer, Position} ->
+ {eof, Position}
+ end.
+
+ make_scanner(L) ->
+ spawn_link(fun() ->
+ loop(L)
+ end).
+
+ loop([]) ->
+ receive
+ {scan, Pid} ->
+ Pid ! {eof, self(), 1000}
+ end;
+ loop([Token = {_, P}|T]) ->
+ receive
+ {scan, Pid} ->
+ Pid ! {ok, self(), [Token], P},
+ loop(T)
+ end.
+
+ t(L) ->
+ case parse_and_scan({yecc_test, scan, [make_scanner(L)]}) of
+ {ok, _Result} ->
+ ok;
+ {error, {_LineNumber, Module, Message}} ->
+ _M = apply(Module, format_error, [Message]),
+ not_ok
+ end.
+
+ t() ->
+ not_ok = t([]), %% This test has been added afterwards.
+ %% OTP-5369 did not fix this bug!
+ L = [{element, 1},
+ {element, 2},
+ {element, 3}],
+ t(L).
+ ">>,
+ default,
+ ok}],
+ ?line run(Config, Ts),
+ ok.
+
+otp_6362(doc) ->
+ "OTP-6362. A precedence declaration bug reported on erlang questions.";
+otp_6362(suite) -> [];
+otp_6362(Config) when is_list(Config) ->
+ Ts = [{otp_6362_1,<<"
+ Nonterminals cmp compare expr.
+ Terminals 'string' '>' '='.
+ Rootsymbol compare.
+ Nonassoc 250 cmp.
+ compare -> expr cmp expr : {cmp, '$2', '$1', '$3'}.
+ compare -> expr : {cmp, '==', '$1', {string, \"TRUE\"}}.
+ cmp -> '>' '=' : '>='.
+ cmp -> '>' : '>'.
+ expr -> 'string' : '$1'.
+
+ Erlang code.
+
+ -export([t/0]).
+
+ t() ->
+ {ok,{cmp,'>',{string,1},{string,3}}} =
+ parse([{string,1}, {'>', 2}, {string,3}]),
+ ok.
+ ">>,
+ default,
+ ok}],
+ ?line run(Config, Ts),
+
+ Dir = ?privdir,
+ %% Report errors. Very simple test of format_error/1.
+ Ret = [return, {report, true}],
+ Filename = filename:join(Dir, "file.yrl"),
+
+ %% An error introduced due to this ticket. Terminals can be
+ %% assigned conflicting precedences, which cannot be resolved.
+ ?line ok = file:write_file(Filename,<<"
+ Nonterminals cmp compare expr fopp.
+ Terminals string '>' '='.
+ Rootsymbol compare.
+ Nonassoc 250 cmp.
+ Left 300 '>'.
+
+ compare -> expr cmp expr : {cmp, '$2', '$1', '$3'}.
+ compare -> expr fopp expr : {cmp, '$2', '$1', '$3'}.
+ compare -> expr '=' expr : '$1'.
+ compare -> expr : {cmp, '==', '$1', {string, foo}}.
+ cmp -> '>' '=' : '>='.
+ cmp -> '>' : '>'.
+ expr -> string : '$1'.
+
+ fopp -> '>' '=' : '>='.
+ fopp -> '>' : '>'.">>),
+
+ Ret = [return, {report, true}],
+ ?line {error,[{_,[{none,yecc,{conflict,_}}]}],[]} =
+ yecc:file(Filename, Ret),
+ file:delete(Filename),
+ ok.
+
+my_yeccpre() ->
+ %% Version 1.1.
+ <<"parse(Tokens) ->
+ yeccpars0(Tokens, false).
+
+ parse_and_scan({F, A}) -> % Fun or {M, F}
+ yeccpars0([], {F, A});
+ parse_and_scan({M, F, A}) ->
+ yeccpars0([], {{M, F}, A}).
+
+ format_error(Message) ->
+ case io_lib:deep_char_list(Message) of
+ true ->
+ Message;
+ _ ->
+ io_lib:write(Message)
+ end.
+
+ % To be used in grammar files to throw an error message to the parser
+ % toplevel. Doesn't have to be exported!
+ -compile({nowarn_unused_function,{return_error,2}}).
+ return_error(Line, Message) ->
+ throw({error, {Line, yecc_test, Message}}).
+
+ yeccpars0(Tokens, MFA) ->
+ try yeccpars1(Tokens, MFA, 0, [], [])
+ catch
+ throw: {error, {_Line, yecc_test, _M}} = Error ->
+ Error % probably from return_error/1
+ end.
+
+ % Don't change yeccpars1/6 too much, it is called recursively by yeccpars2/8!
+ yeccpars1([Token | Tokens], Tokenizer, State, States, Vstack) ->
+ yeccpars2(State, element(1, Token), States, Vstack, Token, Tokens,
+ Tokenizer);
+ yeccpars1([], {F, A}, State, States, Vstack) ->
+ case apply(F, A) of
+ {ok, Tokens, _Endline} ->
+ yeccpars1(Tokens, {F, A}, State, States, Vstack);
+ {eof, _Endline} ->
+ yeccpars1([], false, State, States, Vstack);
+ {error, Descriptor, _Endline} ->
+ {error, Descriptor}
+ end;
+ yeccpars1([], false, State, States, Vstack) ->
+ yeccpars2(State, '$end', States, Vstack, {'$end', 999999}, [], false).
+
+ % For internal use only.
+ yeccerror(Token) ->
+ {error,
+ {element(2, Token), yecc_test,
+ [\"syntax error before: \", yecctoken2string(Token)]}}.
+
+ yecctoken2string({atom, _, A}) -> io_lib:write(A);
+ yecctoken2string({integer,_,N}) -> io_lib:write(N);
+ yecctoken2string({float,_,F}) -> io_lib:write(F);
+ yecctoken2string({char,_,C}) -> io_lib:write_char(C);
+ yecctoken2string({var,_,V}) -> io_lib:format('~s', [V]);
+ yecctoken2string({string,_,S}) -> io_lib:write_string(S);
+ yecctoken2string({reserved_symbol, _, A}) -> io_lib:format('~w', [A]);
+ yecctoken2string({_Cat, _, Val}) -> io_lib:format('~w', [Val]);
+ yecctoken2string({'dot', _}) -> io_lib:format('~w', ['.']);
+ yecctoken2string({'$end', _}) ->
+ [];
+ yecctoken2string({Other, _}) when is_atom(Other) ->
+ io_lib:format('~w', [Other]);
+ yecctoken2string(Other) ->
+ io_lib:write(Other).
+">>.
+
+otp_7945(doc) ->
+ "OTP-7945. A bug introduced in R13A.";
+otp_7945(suite) -> [];
+otp_7945(Config) when is_list(Config) ->
+ ?line {error,_} = erl_parse:parse([{atom,3,foo},{'.',2,9,9}]),
+ ok.
+
+improvements(suite) ->
+ [otp_7292, otp_7969].
+
+otp_7292(doc) ->
+ "OTP-7292. Header declarations for edoc.";
+otp_7292(suite) -> [];
+otp_7292(Config) when is_list(Config) ->
+ Dir = ?privdir,
+ Filename = filename:join(Dir, "file.yrl"),
+ Parserfile1 = filename:join(Dir, "a file"),
+
+ Contents = <<"Nonterminals nt.
+ Terminals t.
+ Rootsymbol nt.
+ Endsymbol e.
+ nt -> t : a bad code.
+
+ Header \"%% copyright bla bla bla\"
+ \"%% @private\" \"%% foo\"
+ \"%% @author X.Y.\".
+
+ Erlang code.
+
+ %% @private
+ %% etc.
+
+ foo() ->
+ bar. ">>,
+
+ %% Check that correct line number is used in messages.
+ ?line ok = file:write_file(Filename, Contents),
+ ParserFile3 = [{parserfile, Parserfile1}],
+ Ret = [return, {report, true}],
+ ?line {ok, _, []} = yecc:file(Filename, ParserFile3 ++ Ret),
+
+ %% Note: checking the line numbers. Changes when yeccpre.hrl changes.
+ fun() ->
+ SzYeccPre = yeccpre_size(),
+ ?line {error,
+ [{_,[{5,_,["syntax error before: ","bad"]}]},
+ {_,[{L1,_,{undefined_function,{yeccpars2_2_,1}}},
+ {L2,_,{bad_inline,{yeccpars2_2_,1}}}]}],
+ [{_,[{16,_,{unused_function,{foo,0}}}]}]} =
+ compile:file(Parserfile1, [basic_validation, return]),
+ ?line L1 = 34 + SzYeccPre,
+ ?line L2 = 41 + SzYeccPre
+ end(),
+
+ YeccPre = filename:join(Dir, "yeccpre.hrl"),
+ ?line ok = file:write_file(YeccPre,
+ [<<"-export([parse/1, parse_and_scan/1, format_error/1]).\n">>,
+ yeccpre_v1_2()]),
+ Inc = [{includefile,YeccPre}],
+ ?line {ok, _, []} = yecc:file(Filename, ParserFile3 ++ Inc ++ Ret),
+ fun() ->
+ SzYeccPre = yeccpre_size(YeccPre),
+ ?line {error,
+ [{_,[{5,_,["syntax error before: ","bad"]}]},
+ {_,[{L1,_,{undefined_function,{yeccpars2_2_,1}}},
+ {L2,_,{bad_inline,{yeccpars2_2_,1}}}]}],
+ [{_,[{16,_,{unused_function,{foo,0}}}]}]} =
+ compile:file(Parserfile1, [basic_validation, return]),
+ ?line L1 = 33 + SzYeccPre,
+ ?line L2 = 40 + SzYeccPre
+ end(),
+
+ file:delete(YeccPre),
+ file:delete(Parserfile1 ++ ".erl"),
+ file:delete(Filename),
+
+ ok.
+
+yeccpre_v1_2() ->
+ <<"
+parse(Tokens) ->
+ yeccpars0(Tokens, false).
+
+parse_and_scan({F, A}) -> % Fun or {M, F}
+ yeccpars0([], {F, A});
+parse_and_scan({M, F, A}) ->
+ yeccpars0([], {{M, F}, A}).
+
+format_error(Message) ->
+ case io_lib:deep_char_list(Message) of
+ true ->
+ Message;
+ _ ->
+ io_lib:write(Message)
+ end.
+
+-define(CODE_VERSION, \"1.2\").
+
+yeccpars0(Tokens, MFA) ->
+ try yeccpars1(Tokens, MFA, 0, [], [])
+ catch
+ error: Error ->
+ Stacktrace = erlang:get_stacktrace(),
+ try yecc_error_type(Error, Stacktrace) of
+ {syntax_error, Token} ->
+ yeccerror(Token);
+ {missing_in_goto_table=Tag, State} ->
+ Desc = {State, Tag},
+ erlang:raise(error, {yecc_bug, ?CODE_VERSION, Desc},
+ Stacktrace);
+ {missing_in_goto_table=Tag, Symbol, State} ->
+ Desc = {Symbol, State, Tag},
+ erlang:raise(error, {yecc_bug, ?CODE_VERSION, Desc},
+ Stacktrace)
+ catch _:_ -> erlang:raise(error, Error, Stacktrace)
+ end;
+ throw: {error, {_Line, ?MODULE, _M}} = Error ->
+ Error % probably from return_error/2
+ end.
+
+yecc_error_type(function_clause, [{?MODULE,F,[_,_,_,_,Token,_,_]} | _]) ->
+ \"yeccpars2\" ++ _ = atom_to_list(F),
+ {syntax_error, Token};
+yecc_error_type({case_clause,{State}}, [{?MODULE,yeccpars2,_}|_]) ->
+ %% Inlined goto-function
+ {missing_in_goto_table, State};
+yecc_error_type(function_clause, [{?MODULE,F,[State]}|_]) ->
+ \"yeccgoto_\" ++ SymbolL = atom_to_list(F),
+ {ok,[{atom,_,Symbol}]} = erl_scan:string(SymbolL),
+ {missing_in_goto_table, Symbol, State}.
+
+yeccpars1([Token | Tokens], Tokenizer, State, States, Vstack) ->
+ yeccpars2(State, element(1, Token), States, Vstack, Token, Tokens,
+ Tokenizer);
+yeccpars1([], {F, A}, State, States, Vstack) ->
+ case apply(F, A) of
+ {ok, Tokens, _Endline} ->
+ yeccpars1(Tokens, {F, A}, State, States, Vstack);
+ {eof, _Endline} ->
+ yeccpars1([], false, State, States, Vstack);
+ {error, Descriptor, _Endline} ->
+ {error, Descriptor}
+ end;
+yeccpars1([], false, State, States, Vstack) ->
+ yeccpars2(State, '$end', States, Vstack, {'$end', 999999}, [], false).
+
+yeccpars1(State1, State, States, Vstack, Stack1, [Token | Tokens],
+ Tokenizer) ->
+ yeccpars2(State, element(1, Token), [State1 | States],
+ [Stack1 | Vstack], Token, Tokens, Tokenizer);
+yeccpars1(State1, State, States, Vstack, Stack1, [], {F, A}) ->
+ case apply(F, A) of
+ {ok, Tokens, _Endline} ->
+ yeccpars1(State1, State, States, Vstack, Stack1, Tokens, {F, A});
+ {eof, _Endline} ->
+ yeccpars1(State1, State, States, Vstack, Stack1, [], false);
+ {error, Descriptor, _Endline} ->
+ {error, Descriptor}
+ end;
+yeccpars1(State1, State, States, Vstack, Stack1, [], false) ->
+ yeccpars2(State, '$end', [State1 | States], [Stack1 | Vstack],
+ {'$end', 999999}, [], false).
+
+yeccerror(Token) ->
+ {error,
+ {element(2, Token), ?MODULE,
+ [\"syntax error before: \", yecctoken2string(Token)]}}.
+
+yecctoken2string({atom, _, A}) -> io_lib:write(A);
+yecctoken2string({integer,_,N}) -> io_lib:write(N);
+yecctoken2string({float,_,F}) -> io_lib:write(F);
+yecctoken2string({char,_,C}) -> io_lib:write_char(C);
+yecctoken2string({var,_,V}) -> io_lib:format('~s', [V]);
+yecctoken2string({string,_,S}) -> io_lib:write_string(S);
+yecctoken2string({reserved_symbol, _, A}) -> io_lib:format('~w', [A]);
+yecctoken2string({_Cat, _, Val}) -> io_lib:format('~w', [Val]);
+yecctoken2string({'dot', _}) -> io_lib:format('~w', ['.']);
+yecctoken2string({'$end', _}) ->
+ [];
+yecctoken2string({Other, _}) when is_atom(Other) ->
+ io_lib:format('~w', [Other]);
+yecctoken2string(Other) ->
+ io_lib:write(Other).
+">>.
+
+run(Config, Tests) ->
+ F = fun({N,P,Pre,E}) ->
+ case catch run_test(Config, P, Pre) of
+ E ->
+ ok;
+ Bad ->
+ ?t:format("~nTest ~p failed. Expected~n ~p~n"
+ "but got~n ~p~n", [N, E, Bad]),
+ fail()
+ end
+ end,
+ lists:foreach(F, Tests).
+
+otp_7969(doc) ->
+ "OTP-7969. Interface to the I/O protocol..";
+otp_7969(suite) -> [];
+otp_7969(Config) when is_list(Config) ->
+ ?line {ok,Ts1,_} =
+ erl_scan:string("'foo\nbar'", {1,1}, [text]),
+ ?line {error,{2,_,["syntax error before: ",[]]}} = erl_parse:parse(Ts1),
+
+ ?line {ok,Ts1_1,_} = erl_scan:string("'foo\nbar'", 1, [text]),
+ ?line {error,{2,_,["syntax error before: ",[]]}} = erl_parse:parse(Ts1_1),
+
+ ?line {ok,Ts2,_EndLocation} =
+ erl_scan:string("'foo\nbar'", {1,1}, []),
+ %% Can't do better than report possibly wrong line:
+ ?line {error,{1,_,["syntax error before: ",[]]}} = erl_parse:parse(Ts2),
+
+ ?line {ok, Ts11, _}=R1 = erl_scan:string("f() -> a."),
+ ?line F1 = fun() -> {ok,Ts11 ++ [{'$end',2}],2} end,
+ ?line{ok,{function,1,f,0,[{clause,1,[],[],[{atom,1,a}]}]}} =
+ erl_parse:parse_and_scan({F1, []}),
+ ?line F2 = fun() -> erl_scan:string("f() -> ,") end,
+ ?line {error,{1,erl_parse,_}} = erl_parse:parse_and_scan({F2, []}),
+ ?line F3 = fun() -> case erase(foo) of
+ bar ->
+ {ok,[{'$end',2}],3};
+ undefined ->
+ put(foo,bar), R1
+ end
+ end,
+ ?line {ok,{function,1,f,0,[{clause,1,[],[],[{atom,1,a}]}]}} =
+ erl_parse:parse_and_scan({F3,[]}),
+ F4 = fun() -> {error, {1, ?MODULE, bad}, 2} end,
+ ?line {error, {1,?MODULE,bad}} = erl_parse:parse_and_scan({F4, []}),
+ F5 = fun() -> {eof, 3} end,
+ ?line {error,{3,erl_parse,_}} = erl_parse:parse_and_scan({F5, []}),
+ ?line {error,{999999,erl_parse,_}} = erl_parse:parse([]),
+ ?line {ok, Ts21, EL} = erl_scan:string("f() -> a; g() -> b. ", {1,1}),
+ ?line F6 = fun() -> {ok, Ts21, EL} end,
+ ?line {error,{{1,11},erl_parse,_}} = erl_parse:parse_and_scan({F6, []}),
+ ok.
+
+yeccpre_size() ->
+ yeccpre_size(default_yeccpre()).
+
+yeccpre_size(File) ->
+ n_lines(File).
+
+default_yeccpre() ->
+ filename:join([code:lib_dir(parsetools),"include","yeccpre.hrl"]).
+
+n_lines(File) ->
+ {ok, Bin} = file:read_file(File),
+ length([C || C=$\n <- binary_to_list(Bin)]).
+
+run_test(Config, Def, Pre) ->
+ %% io:format("testing ~s~n", [binary_to_list(Def)]),
+ DefFile = 'yecc_test.yrl',
+ Filename = 'yecc_test.erl',
+ DataDir = ?privdir,
+ YrlFile = filename:join(DataDir, DefFile),
+ ErlFile = filename:join(DataDir, Filename),
+ Opts = [return, warn_unused_vars,{outdir,DataDir}],
+ ok = file:write_file(YrlFile, Def),
+ YOpts = [return, {report, false} |
+ case Pre of
+ default ->
+ [];
+ _ ->
+ [{includefile,Pre}]
+ end],
+ P0 = pps(),
+ YRet = yecc:file(YrlFile, [verbose | YOpts]),
+ case {pps(), YRet} of
+ {P0, {ok, _Outfile, _YWs}} ->
+ case compile:file(ErlFile, Opts) of
+ {ok, _M, _Ws} ->
+ AbsFile = filename:rootname(ErlFile, ".erl"),
+ Mod = yecc_test,
+ code:purge(Mod),
+ code:load_abs(AbsFile, Mod),
+ Mod:t();
+ %% warnings(ErlFile, Ws);
+ {error, [{ErlFile,Es}], []} -> {error, Es, []};
+ {error, [{ErlFile,Es}], [{ErlFile,Ws}]} -> {error, Es, Ws};
+ Error -> Error
+ end;
+ {P0, {error, [{YrlFile,YEs}], []}} -> {error, YEs, []};
+ {P0, {error, [{YrlFile,YEs}], [{YrlFile,YWs}]}} -> {error, YEs, YWs};
+ {P0, YError} -> YError;
+ {P, _} ->
+ io:format("failure, got ~p~n, expected ~p\n", [P, P0]),
+ fail()
+ end.
+
+extract(File, {error, Es, Ws}) ->
+ {errors, extract(File, Es), extract(File, Ws)};
+extract(File, Ts) ->
+ lists:append([T || {F, T} <- Ts, F =:= File]).
+
+pps() ->
+ {port_list(), process_list()}.
+
+port_list() ->
+ [{P,safe_second_element(erlang:port_info(P, name))} || P <- erlang:ports()].
+
+process_list() ->
+ [{P,process_info(P, registered_name),
+ safe_second_element(process_info(P, initial_call))} ||
+ P <- processes(), is_process_alive(P)].
+
+safe_second_element({_,Info}) -> Info;
+safe_second_element(Other) -> Other.
+
+fail() ->
+ ?t:fail().
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 19:22:56 +0000