KPGPMC/furlang
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this code is a mess and I am losing my mind

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This commit does not work and I am so down I don't even bother
committing to conventional commits until I fix this mess.
This commit is contained in:
Aleksander Krajewski
2026-07-19 21:38:00 +02:00
parent 9f950e45e7
commit a1e43576cc
12 changed files with 133 additions and 12 deletions
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furas/src/gen.cpp
+13 -1
View File
@@ -40,6 +40,7 @@ std::unordered_map<enum token::type, instruction> instructions = {
{ token::Set, { furvm::instruction_t::Set } },
{ token::Drop, { furvm::instruction_t::Drop } },
{ token::Dup, { furvm::instruction_t::Duplicate } },
{ token::Swap, { furvm::instruction_t::Swap } },
{ token::Clone, { furvm::instruction_t::Clone } },
{ token::Ref, { furvm::instruction_t::Reference } },
{ token::Add, { furvm::instruction_t::Add } },
@@ -89,6 +90,7 @@ const char* token_type(enum token::type type) {
case token::Set: return "set";
case token::Drop: return "drop";
case token::Dup: return "dup";
case token::Swap: return "swap";
case token::Clone: return "clone";
case token::Ref: return "ref";
case token::Add: return "add";
@@ -384,27 +386,36 @@ struct mod_context {
auto it = types.find(std::string(typeName->value.string));
if (it == types.end())
return { generator_error::UnexpectedToken, "Unknown type "s + std::string(typeName->value.string) };
// TODO: Add support for signed integers
auto value = eat_token(lexer, token::Unsigned);
if (!value) return result.error;
auto type = it->second;
switch (type->type) {
case furvm::mod_type::S8: {
mod.bytecode().push_back(static_cast<furvm::byte>(furvm::instruction_t::PushS8));
mod.bytecode().push_back(value->value.uint & 0xFF);
} break;
case furvm::mod_type::U8: {
mod.bytecode().push_back(static_cast<furvm::byte>(furvm::instruction_t::PushU8));
mod.bytecode().push_back(value->value.uint & 0xFF);
} break;
case furvm::mod_type::S16: {
mod.bytecode().push_back(static_cast<furvm::byte>(furvm::instruction_t::PushS16));
mod.bytecode().push_back(value->value.uint & 0xFF);
mod.bytecode().push_back((value->value.uint >> 8) & 0xFF);
} break;
case furvm::mod_type::U16: {
mod.bytecode().push_back(static_cast<furvm::byte>(furvm::instruction_t::PushU16));
mod.bytecode().push_back(value->value.uint & 0xFF);
mod.bytecode().push_back((value->value.uint >> 8) & 0xFF);
} break;
case furvm::mod_type::S32: {
mod.bytecode().push_back(static_cast<furvm::byte>(furvm::instruction_t::PushS32));
mod.bytecode().push_back(value->value.uint & 0xFF);
} break;
case furvm::mod_type::U32: {
mod.bytecode().push_back(static_cast<furvm::byte>(furvm::instruction_t::PushU32));
mod.bytecode().push_back(value->value.uint & 0xFF);
} break;
default:
return { generator_error::UnexpectedToken, "Unexpected type "s + std::string(typeName->value.string) };
@@ -417,6 +428,7 @@ struct mod_context {
case token::Set:
case token::Drop:
case token::Dup:
case token::Swap:
case token::Clone:
case token::Ref:
case token::Add:
@@ -503,7 +515,7 @@ struct mod_context {
mod.bytecode().push_back(0);
return { generator_error::Success };
}
std::ptrdiff_t jmpOff = static_cast<std::ptrdiff_t>(offset - mod.bytecode().size() + 1);
std::ptrdiff_t jmpOff = static_cast<std::ptrdiff_t>(offset - mod.bytecode().size() - 1);
if (jmpOff < std::numeric_limits<std::int8_t>::min() ||
jmpOff > std::numeric_limits<std::int8_t>::max()) {
assert(false); // TODO: Further jumps are not implemented
furas/src/lexer.cpp
+1
View File
@@ -46,6 +46,7 @@ token_r lexer::next_token() {
{ "set", token::Set },
{ "drop", token::Drop },
{ "dup", token::Dup },
{ "swap", token::Swap },
{ "clone", token::Clone },
{ "ref", token::Ref },
{ "add", token::Add },