xxq250/Nasal-Interpreter
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add new option -op & --optimize to use optimizer | delete bytecode op_pone & op_pzero

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ValKmjolnir
2022-01-22 13:37:49 +08:00
parent 40344455e6
commit c68b4c5947
4 changed files with 57 additions and 72 deletions
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23
main.cpp
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@@ -8,6 +8,7 @@ constexpr uint32_t VM_OPCALLNUM=16;
constexpr uint32_t VM_EXEC =32;
constexpr uint32_t VM_DBGINFO =64;
constexpr uint32_t VM_DEBUG =128;
constexpr uint32_t VM_OPTIMIZE =256;
void help()
{
@@ -24,13 +25,14 @@ void help()
<<" input file name to execute script file.\n\n"
<<"nasal [options...] <file>\n"
<<"option:\n"
<<" -l, --lex | view token info.\n"
<<" -a, --ast | view abstract syntax tree.\n"
<<" -c, --code | view bytecode.\n"
<<" -t, --time | execute and get the running time.\n"
<<" -o, --opcnt | execute and count used operands.\n"
<<" -d, --detail| execute and get detail crash info.\n"
<<" -dbg, --debug | debug mode (this will ignore -t -o -d).\n"
<<" -l, --lex | view token info.\n"
<<" -a, --ast | view abstract syntax tree.\n"
<<" -c, --code | view bytecode.\n"
<<" -t, --time | execute and get the running time.\n"
<<" -o, --opcnt | execute and count used operands.\n"
<<" -d, --detail | execute and get detail crash info.\n"
<<" -op, --optimize| use optimizer(beta).\n"
<<" -dbg, --debug | debug mode (this will ignore -t -o -d).\n"
<<"file:\n"
<<" input file name to execute script file.\n";
}
@@ -82,8 +84,11 @@ void execute(const std::string& file,const uint32_t cmd)
if(cmd&VM_ASTINFO)
parse.print();
// optimizer does simple optimization on ast
if(cmd&VM_OPTIMIZE)
optimize(parse.ast());
// code generator gets parser's ast and linker's import file list to generate code
optimize(parse.ast());
gen.compile(parse,linker);
if(cmd&VM_CODEINFO)
gen.print();
@@ -140,6 +145,8 @@ int main(int argc,const char* argv[])
cmd|=VM_EXECTIME;
else if(s=="--detail" || s=="-d")
cmd|=VM_DBGINFO|VM_EXEC;
else if(s=="--optimize" || s=="-op")
cmd|=VM_OPTIMIZE;
else if(s=="--debug" || s=="-dbg")
cmd|=VM_DEBUG;
else