xxq250/Nasal-Interpreter
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ValKmjolnir
2022-11-26 22:49:22 +08:00
parent 7c075a6071
commit 34e29e398a
20 changed files with 1965 additions and 2088 deletions
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63
main.cpp
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@@ -21,10 +21,8 @@ const u32 VM_TIME =0x04;
const u32 VM_EXEC =0x08;
const u32 VM_DETAIL=0x10;
const u32 VM_DEBUG =0x20;
const u32 VM_OPT =0x40;
std::ostream& help(std::ostream& out)
{
std::ostream& help(std::ostream& out) {
out
<<" ,--#-,\n"
<<"<3 / \\____\\ <3\n"
@@ -44,8 +42,6 @@ std::ostream& help(std::ostream& out)
<<" -d, --detail | get detail crash info.\n"
<<" | get detail path-not-found info.\n"
<<" | get detail gc info.\n"
<<" -o, --optimize | use optimizer (beta).\n"
<<" | use <-o -e> to run optimized code.\n"
<<" -dbg, --debug | debug mode (ignore -t -d).\n"
<<"file:\n"
<<" <filename> | execute file.\n"
@@ -54,8 +50,7 @@ std::ostream& help(std::ostream& out)
return out;
}
std::ostream& logo(std::ostream& out)
{
std::ostream& logo(std::ostream& out) {
out
<<" __ _\n"
<<" /\\ \\ \\__ _ ___ __ _| |\n"
@@ -72,16 +67,14 @@ std::ostream& logo(std::ostream& out)
}
[[noreturn]]
void err()
{
void err() {
std::cerr
<<"invalid argument(s).\n"
<<"use <nasal -h> to get help.\n";
std::exit(1);
}
void execute(const string& file,const std::vector<string>& argv,const u32 cmd)
{
void execute(const string& file,const std::vector<string>& argv,const u32 cmd) {
error err;
lexer lex(err);
parse parse(err);
@@ -96,46 +89,44 @@ void execute(const string& file,const std::vector<string>& argv,const u32 cmd)
// linker gets parser's ast and load import files to this ast
ld.link(parse,file,cmd&VM_DETAIL).chkerr();
// optimizer does simple optimization on ast
if(cmd&VM_OPT)
optimize(parse.tree());
if(cmd&VM_AST)
optimize(parse.tree());
if (cmd&VM_AST) {
parse.tree().dump();
}
// code generator gets parser's ast and linker's import file list to generate code
gen.compile(parse,ld).chkerr();
if(cmd&VM_CODE)
if (cmd&VM_CODE) {
gen.print();
}
// run
if(cmd&VM_DEBUG)
if (cmd&VM_DEBUG) {
debugger(err).run(gen,ld,argv);
else if(cmd&VM_TIME)
{
} else if (cmd&VM_TIME) {
auto start=ch_clk::now();
ctx.run(gen,ld,argv,cmd&VM_DETAIL);
auto end=ch_clk::now();
std::clog<<"process exited after "<<(end-start).count()*1.0/ch_clk::duration::period::den<<"s.\n";
}
else if(cmd&VM_EXEC)
} else if (cmd&VM_EXEC) {
ctx.run(gen,ld,argv,cmd&VM_DETAIL);
}
}
i32 main(i32 argc,const char* argv[])
{
if(argc<=1)
{
i32 main(i32 argc,const char* argv[]) {
if (argc<=1) {
std::clog<<logo;
return 0;
}
if(argc==2)
{
if (argc==2) {
string s(argv[1]);
if(s=="-h" || s=="--help")
if (s=="-h" || s=="--help") {
std::clog<<help;
else if(s[0]!='-')
} else if (s[0]!='-') {
execute(s,{},VM_EXEC);
else
} else {
err();
}
return 0;
}
std::unordered_map<string,u32> cmdlst={
@@ -144,23 +135,23 @@ i32 main(i32 argc,const char* argv[])
{"--exec",VM_EXEC},{"-e",VM_EXEC},
{"--time",VM_TIME|VM_EXEC},{"-t",VM_TIME|VM_EXEC},
{"--detail",VM_DETAIL|VM_EXEC},{"-d",VM_DETAIL|VM_EXEC},
{"--optimize",VM_OPT},{"-o",VM_OPT},
{"--debug",VM_DEBUG},{"-dbg",VM_DEBUG}
};
u32 cmd=0;
string filename="";
std::vector<string> vm_argv;
for(i32 i=1;i<argc;++i)
{
if(cmdlst.count(argv[i]))
for(i32 i=1;i<argc;++i) {
if (cmdlst.count(argv[i])) {
cmd|=cmdlst[argv[i]];
else if(!filename.length())
} else if (!filename.length()) {
filename=argv[i];
else
} else {
vm_argv.push_back(argv[i]);
}
}
if(!filename.length())
if (!filename.length()) {
err();
}
execute(filename,vm_argv,cmd?cmd:VM_EXEC);
return 0;
}