Antlr4 ANTLR postscript树

使用antlr4 TestRig，您可以使用

-ps

生成PostScript树。我不能看我的树

附言：

%!PS-Adobe-3.0 EPSF-3.0
%%BoundingBox: 0 0 54 48

0.3 setlinewidth
%% x y w h highlight
/highlight {
        4 dict begin
        /h exch def
        /w exch def
        /y exch def
        /x exch def
        gsave
        newpath
        x y moveto
        0 h rlineto     % up to left corner
        w 0 rlineto     % to upper right corner
        0 h neg rlineto % to lower right corner
        w neg 0 rlineto % back home to lower left corner
        closepath
        .95 .83 .82 setrgbcolor
        fill
        grestore
        end
} def
/ArialMT findfont 11 scalefont setfont
27,662 32,395 moveto
12,616 15,395 lineto
27,662 32,395 moveto
42,709 15,395 lineto
25,831 37,395 moveto
(r) show
stroke
1,000 5,000 moveto
(hello) show
stroke
33,232 5,000 moveto
(part) show
stroke
%%Trailer

重影视图中的错误：

GSview 5.0 2012-01-17
Unknown in Prolog section at line 5:
  %% x y w h highlight


GPL Ghostscript 9.07 (2013-02-14)
Copyright (C) 2012 Artifex Software, Inc.  All rights reserved.
This software comes with NO WARRANTY: see the file PUBLIC for details.
Displaying DSC file C:/develop/libro/test/arbol.ps without pages
Scanning c:\psfonts for fonts... 0 files, 0 scanned, 0 new fonts.
Can't find (or can't open) font file %rom%Resource/Font/ArialMT.
Can't find (or can't open) font file ArialMT.
Querying operating system for font files...
Didn't find this font on the system!
Substituting font Helvetica for ArialMT.
Loading NimbusSanL-Regu font from %rom%Resource/Font/NimbusSanL-Regu... 3168784 1824261 3249480 1962181 2 done.
Error: /undefined in 27,662
Operand stack:

Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   false   1   %stopped_push   1932   1   3   %oparray_pop   1931   1   3   %oparray_pop   1915   1   3   %oparray_pop   1803   1   3   %oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--
Dictionary stack:
   --dict:1182/1684(ro)(G)--   --dict:0/20(G)--   --dict:82/200(L)--
Current allocation mode is local
Last OS error: No such file or directory

--- Begin offending input ---
0.3 setlinewidth
%% x y w h highlight
/highlight {
        4 dict begin
        /h exch def
        /w exch def
        /y exch def
        /x exch def
        gsave
        newpath
        x y moveto
        0 h rlineto     % up to left corner
        w 0 rlineto     % to upper right corner
        0 h neg rlineto % to lower right corner
        w neg 0 rlineto % back home to lower left corner
        closepath
        .95 .83 .82 setrgbcolor
        fill
        grestore
        end
} def
/ArialMT findfont 11 scalefont setfont
27,662 32,395 moveto
12,616 15,395 lineto
27,662 32,395 moveto
42,709 15,395 lineto
25,831 37,395 moveto
(r) show
stroke
1,000 5,000 moveto
(hello) show
stroke
33,232 5,000 moveto
(part) show
stroke

--- End offending input ---
file offset = 784
gsapi_run_string_continue returns -101

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好的，简单的，在法国，你可以在一个地方吃四块芝麻，这是一个可怕的地方，这是一个完美的地方。这是一个很好的例子，它的后记是n'en trave que dalle

解决你的问题很简单。ANTLR 4似乎使用区域设置生成数字，即在法语中使用逗号。遗憾的是，PostScript不懂法语（拉丁语？）浮点数

你应该填写一份报告给ANTLR 4

在Unix上，可以临时更改bash上的区域设置

export LANG=C

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非常感谢。我手动更改了数字格式，工作正常，我会报告错误。