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add import *

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This commit is contained in:
blueloveTH 2023-02-26 02:25:22 +08:00
parent 7ebf5f1e88
commit d6451b55d6
4 changed files with 20 additions and 5 deletions
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8
src/ceval.h
View File

@ -301,6 +301,14 @@ PyVar VM::run_frame(Frame* frame){
frame->push(*ext_mod);
}
} continue;
case OP_STORE_ALL_NAMES: {
PyVar obj = frame->pop_value(this);
for(auto& [name, value]: obj->attr().items()){
Str s = name.str();
if(s.empty() || s[0] == '_') continue;
frame->f_globals().set(name, value);
}
}; continue;
case OP_YIELD_VALUE: return _py_op_yield;
// TODO: using "goto" inside with block may cause __exit__ not called
case OP_WITH_ENTER: call(frame->pop_value(this), __enter__); continue;

8
src/cffi.h
View File

@ -3,7 +3,7 @@
#include "vm.h"
struct CType{
PY_CLASS(c, type)
PY_CLASS(c, _type)
const char* name; // must be a literal
int size;
@ -15,7 +15,7 @@ struct CType{
vm->bind_method<0>(type, "__repr__", [](VM* vm, pkpy::Args& args) {
CType& self = vm->py_cast<CType>(args[0]);
StrStream ss;
ss << "<c.type '" << self.name << "'>";
ss << "<c._type '" << self.name << "'>";
return vm->PyStr(ss.str());
});
}
@ -44,7 +44,7 @@ constexpr CType ctype_t(const char name[]){
}
struct Pointer{
PY_CLASS(c, ptr)
PY_CLASS(c, _ptr)
void* ptr;
CType _ctype;
@ -165,7 +165,7 @@ void add_module_c(VM* vm){
Pointer& p = vm->py_cast<Pointer>(args[0]);
return vm->new_object<Pointer>(strdup(p.cast<char*>()), ctype_t("char"));
}else{
vm->TypeError("strdup() argument must be 'str' or 'c.ptr'");
vm->TypeError("strdup() argument must be 'str' or 'c._ptr'");
return vm->None;
}
});

8
src/compiler.h
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@ -745,6 +745,12 @@ __LISTCOMP:
void compile_from_import() {
Token tkmodule = _compile_import();
consume(TK("import"));
if (match(TK("*"))) {
if(name_scope() != NAME_GLOBAL) SyntaxError("import * can only be used in global scope");
emit(OP_STORE_ALL_NAMES);
consume_end_stmt();
return;
}
do {
emit(OP_DUP_TOP_VALUE);
consume(TK("@id"));
@ -971,7 +977,7 @@ __LISTCOMP:
consume_end_stmt();
// If last op is not an assignment, pop the result.
uint8_t last_op = co()->codes.back().op;
if( last_op!=OP_STORE_NAME && last_op!=OP_STORE_REF && last_op!=OP_INPLACE_BINARY_OP && last_op!=OP_INPLACE_BITWISE_OP){
if( last_op!=OP_STORE_NAME && last_op!=OP_STORE_REF && last_op!=OP_INPLACE_BINARY_OP && last_op!=OP_INPLACE_BITWISE_OP && last_op!=OP_STORE_ALL_NAMES){
if(last_op == OP_BUILD_TUPLE_REF) co()->codes.back().op = OP_BUILD_TUPLE;
if(mode()==REPL_MODE && name_scope() == NAME_GLOBAL) emit(OP_PRINT_EXPR, -1, true);
emit(OP_POP_TOP, -1, true);

1
src/opcodes.h
View File

@ -85,5 +85,6 @@ OPCODE(INPLACE_BITWISE_OP)
OPCODE(SETUP_CLOSURE)
OPCODE(SETUP_DECORATOR)
OPCODE(STORE_ALL_NAMES)
#endif