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  • #114

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Opened Jan 14, 2016 by Jonathan Jenkins@jenkins
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bgp io language - variable names restricted to single character

The lexer treats each individual character as a token. The symbol table is simply an 26-element array of counters, one for each letter of the alphabet. Additionally, the errors when multi-character variables are used (asides from the keywords e.g. writeall) are cryptic and don't really help.

Input files are attached. Here is an output dump:

john@jtop:bin$ ./codes-workload-dump --type=bgp_io_workload --num-ranks=1 --i-meta=test_meta_ok.txt --i-rank-cnt=1 --i-use-relpath --i-bgp-config=blah loading bgp_io_workload, 0 op: rank:0 type:write file_id:0 off:0 size:2 op: rank:0 type:close file_id:0 op: rank:0 type:end

john@jtop:bin$ ./codes-workload-dump --type=bgp_io_workload --num-ranks=1 --i-meta=test_meta_error.txt --i-rank-cnt=1 --i-use-relpath --i-bgp-config=blah loading bgp_io_workload, 0 1 error = syntax error, unexpected VARIABLE 1 error = syntax error, unexpected '=', expecting $end op: rank:0 type:open file_id:0 flag:1 1 error = syntax error, unexpected VARIABLE op: rank:0 type:write file_id:0 off:0 size:0 1 error = syntax error, unexpected ',', expecting $end op: rank:0 type:close file_id:0 op: rank:0 type:end

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Reference: codes/codes#114