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✨ finish basic function of repl

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ValKmjolnir
2023-09-17 17:56:59 +08:00
parent b77d7fafb1
commit 3e01239722
8 changed files with 63 additions and 32 deletions
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49
src/nasal_vm.cpp
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@@ -20,19 +20,10 @@ void vm::init(
/* set native functions */
native = natives;
/* set canary and program counter */
ctx.pc = 0;
ctx.localr = nullptr;
ctx.memr = nullptr;
ctx.funcr = nil;
ctx.upvalr = nil;
ctx.canary = ctx.stack+STACK_DEPTH-1; // stack[STACK_DEPTH-1]
ctx.top = ctx.stack; // nothing is on stack
/* clear main stack and global */
for(u32 i = 0; i<STACK_DEPTH; ++i) {
ctx.stack[i] = nil;
global[i] = nil;
/* set context and global */
if (!is_repl_mode || first_exec_flag) {
context_and_global_init();
first_exec_flag = false;
}
/* init gc */
@@ -52,6 +43,27 @@ void vm::init(
arg_instance.vec().elems = ngc.env_argv;
}
void vm::context_and_global_init() {
/* set canary and program counter */
ctx.pc = 0;
ctx.localr = nullptr;
ctx.memr = nullptr;
ctx.funcr = nil;
ctx.upvalr = nil;
/* set canary = stack[STACK_DEPTH-1] */
ctx.canary = ctx.stack+STACK_DEPTH-1;
/* nothing is on stack */
ctx.top = ctx.stack;
/* clear main stack and global */
for(u32 i = 0; i<STACK_DEPTH; ++i) {
ctx.stack[i] = nil;
global[i] = nil;
}
}
void vm::valinfo(var& val) {
const auto p = reinterpret_cast<u64>(val.val.gcobj);
switch(val.type) {
@@ -240,9 +252,8 @@ void vm::die(const std::string& str) {
void vm::run(
const codegen& gen,
const linker& linker,
const std::vector<std::string>& argv,
const bool detail) {
verbose = detail;
const std::vector<std::string>& argv
) {
init(gen.strs(), gen.nums(), gen.natives(),
gen.codes(), gen.globals(), linker.get_file_list(), argv);
#ifndef _MSC_VER
@@ -341,11 +352,13 @@ void vm::run(
#endif
vmexit:
if (detail) {
if (verbose) {
ngc.info();
}
ngc.clear();
imm.clear();
if (!is_repl_mode) {
ngc.clear();
}
return;
#ifndef _MSC_VER