diff options
| -rw-r--r-- | lib/stdlib/src/erl_parse.yrl | 12 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_scan.erl | 10 | ||||
| -rw-r--r-- | lib/stdlib/test/erl_scan_SUITE.erl | 5 |
3 files changed, 18 insertions, 9 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 5287f55e59..141ee18afd 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -61,7 +61,7 @@ char integer float atom string var '++' '--' '==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<=' '<<' '>>' -'!' '=' '::' +'!' '=' '::' '..' '...' 'spec' % helper dot. @@ -135,7 +135,7 @@ type -> atom ':' atom '(' top_types ')' : {remote_type, ?line('$1'), ['$1', '$3', '$5']}. type -> '[' ']' : {type, ?line('$1'), nil, []}. type -> '[' top_type ']' : {type, ?line('$1'), list, ['$2']}. -type -> '[' top_type ',' '.' '.' '.' ']' : {type, ?line('$1'), +type -> '[' top_type ',' '...' ']' : {type, ?line('$1'), nonempty_list, ['$2']}. type -> '{' '}' : {type, ?line('$1'), tuple, []}. type -> '{' top_types '}' : {type, ?line('$1'), tuple, '$2'}. @@ -144,8 +144,8 @@ type -> '#' atom '{' field_types '}' : {type, ?line('$1'), record, ['$2'|'$4']}. type -> binary_type : '$1'. type -> int_type : '$1'. -type -> int_type '.' '.' int_type : {type, ?line('$1'), range, - ['$1', '$4']}. +type -> int_type '..' int_type : {type, ?line('$1'), range, + ['$1', '$3']}. type -> 'fun' '(' ')' : {type, ?line('$1'), 'fun', []}. type -> 'fun' '(' fun_type_100 ')' : '$3'. @@ -153,9 +153,9 @@ int_type -> integer : '$1'. int_type -> '-' integer : abstract(-normalise('$2'), ?line('$2')). -fun_type_100 -> '(' '.' '.' '.' ')' '->' top_type +fun_type_100 -> '(' '...' ')' '->' top_type : {type, ?line('$1'), 'fun', - [{type, ?line('$1'), any}, '$7']}. + [{type, ?line('$1'), any}, '$5']}. fun_type_100 -> fun_type : '$1'. fun_type -> '(' ')' '->' top_type : {type, ?line('$1'), 'fun', diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl index 1013d54bdc..c179c3d067 100644 --- a/lib/stdlib/src/erl_scan.erl +++ b/lib/stdlib/src/erl_scan.erl @@ -442,6 +442,14 @@ scan1([$\%=C|Cs], St, Line, Col, Toks) -> scan_comment(Cs, St, Line, Col, Toks, [C]); scan1([C|Cs], St, Line, Col, Toks) when ?DIGIT(C) -> scan_number(Cs, St, Line, Col, Toks, [C]); +scan1("..."++Cs, St, Line, Col, Toks) -> + tok2(Cs, St, Line, Col, Toks, "...", '...', 3); +scan1(".."=Cs, _St, Line, Col, Toks) -> + {more,{Cs,Col,Toks,Line,[],fun scan/6}}; +scan1(".."++Cs, St, Line, Col, Toks) -> + tok2(Cs, St, Line, Col, Toks, "..", '..', 2); +scan1("."=Cs, _St, Line, Col, Toks) -> + {more,{Cs,Col,Toks,Line,[],fun scan/6}}; scan1([$.=C|Cs], St, Line, Col, Toks) -> scan_dot(Cs, St, Line, Col, Toks, [C]); scan1([$"|Cs], St, Line, Col, Toks) -> %" Emacs @@ -644,8 +652,6 @@ scan_dot([$\n=C|Cs], St, Line, Col, Toks, Ncs) -> scan_dot([C|Cs], St, Line, Col, Toks, Ncs) when ?WHITE_SPACE(C) -> Attrs = attributes(Line, Col, St, Ncs++[C]), {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 2)}; -scan_dot([]=Cs, _St, Line, Col, Toks, Ncs) -> - {more,{Cs,Col,Toks,Line,Ncs,fun scan_dot/6}}; scan_dot(eof=Cs, St, Line, Col, Toks, Ncs) -> Attrs = attributes(Line, Col, St, Ncs), {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 1)}; diff --git a/lib/stdlib/test/erl_scan_SUITE.erl b/lib/stdlib/test/erl_scan_SUITE.erl index afeb67eeb1..32eb97bc92 100644 --- a/lib/stdlib/test/erl_scan_SUITE.erl +++ b/lib/stdlib/test/erl_scan_SUITE.erl @@ -185,7 +185,7 @@ reserved_words() -> 'andalso', 'orelse', 'end', 'fun', 'if', 'let', 'of', 'query', 'receive', 'when', 'bnot', 'not', 'div', 'rem', 'band', 'and', 'bor', 'bxor', 'bsl', 'bsr', - 'or', 'xor'] , + 'or', 'xor'], [begin ?line {RW, true} = {RW, erl_scan:reserved_word(RW)}, S = atom_to_list(RW), @@ -244,6 +244,9 @@ punctuations() -> {'\\',1},{'^',1},{'`',1},{'~',1}], ?line test_string("#&*+/:<>?@\\^`~", PTs2), + ?line test_string(".. ", [{'..',1}]), + ?line test("1 .. 2"), + ?line test_string("...", [{'...',1}]), ok. comments() -> |