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add precompile

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This commit is contained in:
blueloveTH 2024-04-13 21:35:25 +08:00
parent 790e87f688
commit e02292c03d
4 changed files with 31 additions and 8 deletions
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1
include/pocketpy/compiler.h
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@ -121,6 +121,7 @@ class Compiler {
public:
Compiler(VM* vm, std::string_view source, const Str& filename, CompileMode mode, bool unknown_global_scope=false);
void precompile();
CodeObject_ compile();
};

8
include/pocketpy/lexer.h
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@ -59,14 +59,6 @@ struct Token{
Str str() const { return Str(start, length);}
std::string_view sv() const { return std::string_view(start, length);}
// Str info() const {
// SStream ss;
// ss << line << ": " << TK_STR(type) << " '" << (
// sv()=="\n" ? "\\n" : sv()
// ) << "'";
// return ss.str();
// }
};
// https://docs.python.org/3/reference/expressions.html#operator-precedence

29
src/compiler.cpp
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@ -1225,6 +1225,35 @@ __EAT_DOTS_END:
init_pratt_rules();
}
void Compiler::precompile(){
SStream ss;
ss << PK_VERSION << '\n'; // L1: version string
ss << lexer.src->filename << '\n'; // L2: filename
ss << mode() << '\n'; // L3: compile mode
ss << (int)unknown_global_scope << '\n'; // L4: unknown global scope
auto tokens = lexer.run();
ss << '=' << (int)tokens.size() << '\n'; // L5: token count
for(auto token: lexer.run()){
ss << (int)token.type << '\n';
int offset = token.start - lexer.src->source.c_str();
ss << offset << '\n';
ss << token.length << '\n';
ss << token.line << '\n';
ss << token.brackets_level << '\n';
// visit token value
std::visit([&ss](auto&& arg){
using T = std::decay_t<decltype(arg)>;
if constexpr(std::is_same_v<T, i64>){
ss << 'i' << arg << '\n';
}else if constexpr(std::is_same_v<T, f64>){
ss << 'f' << arg << '\n';
}else if constexpr(std::is_same_v<T, Str>){
ss << 's' << arg.escape() << '\n';
}
}, token.value);
}
std::cout << ss.str() << std::endl;
}
CodeObject_ Compiler::compile(){
PK_ASSERT(i == 0) // make sure it is the first time to compile

1
src/lexer.cpp
View File

@ -486,6 +486,7 @@ static bool is_unicode_Lo_char(uint32_t c) {
}
std::vector<Token> Lexer::run() {
PK_ASSERT(curr_char == src->source.c_str());
while (lex_one_token());
return std::move(nexts);
}