[Issue 3330] New: Compiler rejects mixin templates that generate moderately long code;

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3330

           Summary: Compiler rejects mixin templates that generate
                    moderately long code;
           Product: D
           Version: 2.032
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: peng2cheng2 at yahoo.com


--- Comment #0 from pc <peng2cheng2 at yahoo.com> 2009-09-18 14:20:21 PDT ---
Created an attachment (id=458)
a good mixin template(?) that dmd 2 cannot evaluate

Mixin template tests out fine, except if the generated code gets moderately
long. See attached file for example. When mixin produces the longer code, the
compiler produces following.

pc_ut$> dmd dcsv_ut.d -L-lpcd2
/opt/d2/src/druntime/import/core/memory.di(162): Error: cannot evaluate
gc_malloc(sz,ba) at compile time
/opt/d2/src/phobos/std/conv.d(2517): Error: cannot evaluate malloc(12u,2u) at
compile time
/opt/d2/src/phobos/std/conv.d(2987): Error: cannot evaluate to(_param_0) at
compile time
/opt/d2/src/phobos/std/conv.d(3003): Error: cannot evaluate textImpl(_param_0)
at compile time
/home/pc/d2libs/src/pcd2/pc/dcsv.d(306): Error: cannot evaluate text(i) at
compile time
/home/pc/d2libs/src/pcd2/pc/dcsv.d(331): Error: cannot evaluate
makeCSVRowMixin("struct ChartDataRow","\x0along fld1; ostring tb_group; long
fld2; ostring fs_group; \x0along fld3; ostring fs_line; long fld4; ostring
account_group; \x0along fld5; ostring account; long acct_id; ostring
print_name;\x0a",",\"") at compile time
/home/pc/d2libs/src/pcd2/pc/dcsv.d(331): Error: argument to mixin must be a
string, not (makeCSVRowMixin("struct ChartDataRow","\x0along fld1; ostring
tb_group; long fld2; ostring fs_group; \x0along fld3; ostring fs_line; long
fld4; ostring account_group; \x0along fld5; ostring account; long acct_id;
ostring print_name;\x0a",",\""))
dcsv_ut.d(49): Error: mixin dcsv_ut.CSVRow!("struct
ChartDataRow",csvChartDataFields) error instantiating
/home/pc/d2libs/src/pcd2/pc/dcsv.d(331): Error: cannot evaluate
makeCSVRowMixin("struct XRow","long i; javastr s; double d; SqlDate dt",",\"")
at compile time
/home/pc/d2libs/src/pcd2/pc/dcsv.d(331): Error: argument to mixin must be a
string, not (makeCSVRowMixin("struct XRow","long i; javastr s; double d;
SqlDate dt",",\""))
dcsv_ut.d(52): Error: mixin dcsv_ut.CSVRow!("struct XRow","long i; javastr s;
double d; SqlDate dt") error instantiating

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