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compiler: start work on binary expressions & stuff

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Reviewed-on: #7
Co-authored-by: tema5002 <tema5002@tuta.io>
Co-committed-by: tema5002 <tema5002@tuta.io>
This commit was merged in pull request #7.
This commit is contained in:
tema5002
2026-06-09 20:11:29 +02:00
committed by Blendi
parent 8709efda7d
commit c29c2796d7
5 changed files with 191 additions and 62 deletions
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204
src/compiler.c
View File

@@ -30,7 +30,7 @@
// ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡘⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
void noomC_compiler_init(noomC_Compiler *compiler) {
compiler->parent = 0; // who is bro 😂✌️🥀
compiler->parent = 0;
compiler->localc = 0;
compiler->localcap = 0;
@@ -41,47 +41,6 @@ void noomC_compiler_init(noomC_Compiler *compiler) {
compiler->constcap = 0;
}
noomV_String *noomV_String_alloc(noom_LuaVM *vm, const char *str, const noom_uint_t len) {
noomV_String *s = (noomV_String*)noomV_allocObj(vm, NOOMV_OSTR, sizeof(noomV_String) + len + 1);
if (s == 0) return 0;
noom_memcpy(s->data, str, len);
s->data[len] = '\0';
return s;
}
noomV_Function *noomV_Function_alloc(noom_LuaVM *vm, const char *str, const noom_uint_t len) {
noomV_Function *f = (noomV_Function*)noomV_allocObj(vm, NOOMV_OFUNC, sizeof(noomV_Function));
if (f == 0) return 0;
f->chunkname = noomV_String_alloc(vm, str, len);
if (f->chunkname == 0) return 0;
f->code = 0;
f->consts = 0;
f->protos = 0;
f->upvals = 0;
f->locals = 0;
f->codesize = 0;
f->linedefined = 0;
f->lastlinedefined = 0;
f->argc = 0;
f->flags = 0;
f->constsize = 0;
f->protosize = 0;
f->upvalsize = 0;
f->localsize = 0;
return f;
}
noomV_Table *noomV_Table_alloc(noom_LuaVM *vm) {
noomV_Table *t = (noomV_Table *)noomV_allocObj(vm, NOOMV_OTABLE, sizeof(noomV_Table));
if (t == 0) return 0;
t->meta = 0;
t->entries = 0;
t->used = 0;
t->len = 0;
t->entrydata = 0;
return t;
}
static noom_Exit noomC_emit(noomV_Function *func, const noomV_Inst inst) {
func->code = noom_realloc(func->code, sizeof(noomV_Inst) * (func->codesize + 1));
if (func->code == 0) return NOOM_ENOMEM;
@@ -89,6 +48,10 @@ static noom_Exit noomC_emit(noomV_Function *func, const noomV_Inst inst) {
return NOOM_OK;
}
static noom_Exit noomC_emit_ABC(noomV_Function *func, const noomV_Opcode op, const unsigned char a, const unsigned char b, const unsigned char c) {
return noomC_emit(func, (noomV_Inst){.op = op, .a = a, .b = b, .c = c});
}
static noom_Exit noomC_emit_Aus(noomV_Function *func, const noomV_Opcode op, const unsigned char a, const unsigned short us) {
return noomC_emit(func, (noomV_Inst){.op = op, .a = a, .us = us});
}
@@ -101,44 +64,145 @@ static noom_Exit noomC_addconst(noomV_Function *func, const noomV_Value val) {
return NOOM_OK;
}
// TODO get rid of these two vvvv
static noom_Exit noomC_addconst_nil(noomV_Function *func) {
return noomC_addconst(func, (noomV_Value){.tag = NOOMV_VNIL, .autoclose = 0, .isptr = 0});
}
static noom_Exit noomC_addconst_bool(noomV_Function *func, const noom_bool_t b) {
return noomC_addconst(func, (noomV_Value){.tag = NOOMV_VBOOL, .autoclose = 0, .isptr = 0, .boolean = b});
}
// yeah ^^^^^^^^^
static noom_Exit noomC_addconst_str(noomV_Function *func, noom_LuaVM *vm, const char *str, const noom_uint_t len) {
noomV_String *s = noomV_allocStr(vm, str, len);
if (s == 0) return NOOM_ENOMEM;
return noomC_addconst(func, (noomV_Value){.tag = NOOMV_VOBJ, .autoclose = 0, .isptr = 0, .obj = (noomV_Object *)s});
}
static noomL_Token noomC_token_at(const noomP_Parser *parser, noom_uint_t offset) {
noomL_Token token;
noomL_lex(parser->code, offset, &token, parser->version);
return token;
}
// There is a high chance I forgot something here
static noomV_Opcode noomC_what_bop_is_this(const noomP_Parser *parser, noom_uint_t offset) {
// I AM THE LEXER NOW!!!!!!!!!
if (noom_startswith(parser->code + offset, "==")) return NOOMV_INSTR_EQ;
if (noom_startswith(parser->code + offset, "~=")) return NOOMV_INSTR_NEQ;
if (noom_startswith(parser->code + offset, "~=")) return NOOMV_INSTR_LTE;
if (noom_startswith(parser->code + offset, "~=")) return NOOMV_INSTR_GTE;
if (noom_startswith(parser->code + offset, "..")) return NOOMV_INSTR_CONCAT;
if (parser->version >= NOOM_VERSION_53) {
// Fucking atom forgot to put make an instruction
// update no i am unable to read
if (noom_startswith(parser->code + offset, "//")) return NOOMV_INSTR_FLOOR_DIV;
if (noom_startswith(parser->code + offset, ">>")) return NOOMV_INSTR_RSHIFT;
if (noom_startswith(parser->code + offset, "<<")) return NOOMV_INSTR_LSHIFT;
if (noom_startswith(parser->code + offset, "&")) return NOOMV_INSTR_BAND;
if (noom_startswith(parser->code + offset, "|")) return NOOMV_INSTR_BOR;
if (noom_startswith(parser->code + offset, "~")) return NOOMV_INSTR_BXOR;
}
if (noom_startswith(parser->code + offset, "+")) return NOOMV_INSTR_ADD;
if (noom_startswith(parser->code + offset, "-")) return NOOMV_INSTR_SUB;
if (noom_startswith(parser->code + offset, "*")) return NOOMV_INSTR_MUL;
if (noom_startswith(parser->code + offset, "/")) return NOOMV_INSTR_DIV;
if (noom_startswith(parser->code + offset, "%")) return NOOMV_INSTR_MOD;
if (noom_startswith(parser->code + offset, "^")) return NOOMV_INSTR_POW;
if (noom_startswith(parser->code + offset, "<")) return NOOMV_INSTR_LT;
if (noom_startswith(parser->code + offset, ">")) return NOOMV_INSTR_GT;
return 0;
}
static noom_Exit noomC_compile_expr(noom_LuaVM *vm, const noomC_Compiler *compiler, const noomP_Parser *parser, noomV_Function *func, const noomP_Node *node) {
// mmap ahh function 🥀🥀🥀🥀🥀🥀🥀
// What 6 argument syscalls there even are other than mmap and clone and is there anything longer
static noom_Exit noomC_compile_expr(
noom_LuaVM *vm,
noomC_Compiler *compiler,
const noomP_Parser *parser,
noomV_Function *func,
const noomP_Node *node
) {
// Baba is You OST is a very cool soundtrack to code to Can recommend
if (node->type == NOOMP_NODE_NILLITERAL) {
unsigned char fucking_destination = compiler->curstack++;
unsigned short fucking_constant = func->constsize;
noom_Exit result = noomC_addconst_nil(func);
if (result != NOOM_OK) return result;
result = noomC_emit_Aus(func, NOOMV_INSTR_LOADC, compiler->curstack, func->constsize - 1);
if (result != NOOM_OK) return result;
return NOOM_OK;
return noomC_emit_Aus(func, NOOMV_INSTR_LOADC, fucking_destination, fucking_constant);
}
if (node->type == NOOMP_NODE_BOOLEANLITERAL) {
unsigned char fucking_destination = compiler->curstack++;
unsigned short fucking_constant = func->constsize;
noomL_Token bool_token = noomC_token_at(parser, node->source_offset);
noom_bool_t val = noom_memeq(parser->code + bool_token.offset, bool_token.length, "true", 4);
noom_Exit result = noomC_addconst_bool(func, val);
if (result != NOOM_OK) return result;
result = noomC_emit_Aus(func, NOOMV_INSTR_LOADC, compiler->curstack, func->constsize - 1);
if (result != NOOM_OK) return result;
return NOOM_OK;
return noomC_emit_Aus(func, NOOMV_INSTR_LOADC, fucking_destination, fucking_constant);
}
if (node->type == NOOMP_NODE_NUMBERLITERAL) {
unsigned char fucking_destination = compiler->curstack++;
return NOOM_PLEASEHELPMEIAMSCARED; // 😭😭😭😭😭😭😭😭
}
if (node->type == NOOMP_NODE_STRINGLITERAL) {
return NOOM_IAMNOTSCAREDJUSTLAZYTHISTIME;
unsigned char fucking_destination = compiler->curstack++;
noom_Exit result = noomC_addconst_str(func, vm, "but DID YOU KNOW", 16);
return result;
}
return NOOM_EINTERNAL; // Idk what else I forgot
if (node->type == NOOMP_NODE_BINARYOPERATOR) {
unsigned char fucking_destination = compiler->curstack++;
if (node->subnodec != 2) return NOOM_EINTERNAL;
const unsigned char B = compiler->curstack++;
noom_Exit result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[0]);
if (result != NOOM_OK) return result;
const unsigned char C = compiler->curstack++;
result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[1]);
if (result != NOOM_OK) return result;
return noomC_emit_ABC(func, noomC_what_bop_is_this(parser, node->source_offset), fucking_destination, B, C);
}
if (node->type == NOOMP_NODE_CALL) {
unsigned char fucking_destination = compiler->curstack;
// Here we don't fucking increment this fucking destination
// Because the fucking function call fucking increments it fucking anyway
for (int i = 1; i < node->subnodec; i++) {
// push node->subnodes[i] to stack or something
}
return noomC_emit_Aus(func, NOOMV_INSTR_JMP, 0, /* where do i start......... */ 0);
}
if (node->type == NOOMP_NODE_METHODCALL) {
unsigned char fucking_destination = compiler->curstack;
// Here we don't fucking increment this fucking destination
// Because the fucking function call fucking increments it fucking anyway
// push parent value... probably already processed below if you make it i = 0
for (int i = 1; i < node->subnodec; i++) {
// push node->subnodes[i] to stack or something
}
return noomC_emit_Aus(func, NOOMV_INSTR_JMP, 0, /* where do i start......... */ 0);
}
if (node->type == NOOMP_NODE_GETFIELD) {
unsigned char fucking_destination = compiler->curstack++;
if (node->subnodec != 2) return NOOM_EINTERNAL;
unsigned char B = compiler->curstack;
noom_Exit result = noomC_compile_expr(vm, compiler, parser, func, node->subnodes[0]);
if (result != NOOM_OK) return result;
unsigned char C = compiler->curstack;
unsigned short C_constant = func->constsize;
noomL_Token field_token = noomC_token_at(parser, node->subnodes[1]->source_offset);
result = noomC_addconst_str(func, vm, parser->code + field_token.offset, field_token.length);
if (result != NOOM_OK) return result;
result = noomC_emit_Aus(func, NOOMV_INSTR_LOADC, C, C_constant);
if (result != NOOM_OK) return result;
return noomC_emit_ABC(func, NOOMV_INSTR_GET, fucking_destination, B, C);
}
return NOOM_EINTERNAL;
}
static noom_Exit noomC_add_stuff_to_function(noom_LuaVM *vm, noomC_Compiler *compiler, const noomP_Parser *parser, noomV_Function *func, const noomP_Node *node);
@@ -198,9 +262,10 @@ static noom_Exit noomC_add_stuff_to_function(noom_LuaVM *vm, noomC_Compiler *com
if (node->subnodec == 1) {
// according to atom this should be nil
const unsigned short constptr = func->constsize;
const noom_Exit result = noomC_addconst_nil(func);
noom_Exit result = noomC_addconst_nil(func);
if (result != NOOM_OK) return result;
result = noomC_emit_Aus(func, NOOMV_INSTR_LOADC, destination, constptr);
if (result != NOOM_OK) return result;
if (noomC_emit_Aus(func, NOOMV_INSTR_LOADC, destination, constptr) < 0) return NOOM_ENOMEM;
}
else {
const noomP_Node *value_node = node->subnodes[1];
@@ -232,7 +297,7 @@ static noom_Exit noomC_add_stuff_to_function(noom_LuaVM *vm, noomC_Compiler *com
if (block_node->type != NOOMP_NODE_BLOCK) return NOOM_EINTERNAL;
const noomL_Token name_token = noomC_token_at(parser, varname_node->source_offset);
noomV_Function *proto = noomV_Function_alloc(vm, parser->code + name_token.offset, name_token.length);
noomV_Function *proto = noomV_allocFunc(vm, parser->code + name_token.offset, name_token.length);
if (proto == 0) return NOOM_ENOMEM;
proto->argc = (unsigned char)params_node->subnodec;
@@ -249,9 +314,19 @@ static noom_Exit noomC_add_stuff_to_function(noom_LuaVM *vm, noomC_Compiler *com
if (func->protos == 0) return NOOM_ENOMEM;
func->protos[func->protosize++] = proto;
// I think something should be here but idfk what
// TODO
noomC_emit_Aus(func, NOOMV_INSTR_NOP, 0, 0);
noomC_Local local;
local.startpc = proto->codesize;
local.endpc = 0;
local.dropped = 0; // FIXME?
local.close = 0;
local.constant = 0;
local.name = noom_strndup(parser->code + varname_node->source_offset, varname_node->source_offset);
compiler->locals = noom_realloc(compiler->locals, sizeof(noomC_Local) * (compiler->localc + 1));
if (compiler->locals == 0) return NOOM_ENOMEM;
compiler->locals[compiler->localc++] = local;
// I guess???????
if (compiler->localc > compiler->localcap) compiler->localcap = compiler->localc;
return NOOM_OK;
}
@@ -272,10 +347,19 @@ static noom_Exit noomC_add_stuff_to_function(noom_LuaVM *vm, noomC_Compiler *com
noom_Exit noomC_compile(noom_LuaVM *vm, const noomP_Parser *parser, const noomP_Node *node) {
if (node->type != NOOMP_NODE_PROGRAM) return NOOM_EINTERNAL;
noomV_Function* program = noomV_Function_alloc(vm, "main", 4);
noomV_Function* program = noomV_allocFunc(vm, "main", 4);
noomC_Compiler compiler;
noomC_compiler_init(&compiler);
return noomC_compile_block(vm, &compiler, parser, program, node);
noom_Exit status = noomC_compile_block(vm, &compiler, parser, program, node);
if (status != NOOM_OK) return status;
if (vm->mainThread->stacklen == vm->mainThread->stackcap) {
vm->mainThread->stackcap = vm->mainThread->stackcap ? vm->mainThread->stackcap * 2 : 16;
vm->mainThread->stack = noom_realloc(vm->mainThread->stack, sizeof(noomV_Value) * vm->mainThread->stackcap);
}
vm->mainThread->stack[vm->mainThread->stacklen++] =
(noomV_Value){.tag = NOOMV_VOBJ, .autoclose = 0, .isptr = 0, .obj = (noomV_Object*)program};
return NOOM_OK;
}

1
src/lexer.c
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@@ -580,7 +580,6 @@ noomL_ErrorType noomL_lex(const char* s, noom_uint_t start, noomL_Token* token,
}
}
// god damn it we errorrreed
return NOOML_ERROR_UNKNOWN;
}

4
src/main.c
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@@ -241,7 +241,9 @@ int main(int argc, char **argv) {
}
char* code = read_file(params.script_path);
if (code == 0) return 1;
return the_theoretical_function_to_execute_your_code_that_should_be_replaced_later(code, argv[0], params.script_path);
int offset = 0;
if (code[0] == '#' && code[1] == '!') for (offset = 2; code[offset] && code[offset] != '\n'; offset++);
return the_theoretical_function_to_execute_your_code_that_should_be_replaced_later(code + offset, argv[0], params.script_path);
}
if (params.use_stdin) {
char* code = read_stdin();

41
src/vm.c
View File

@@ -13,6 +13,47 @@ noomV_Object *noomV_allocObj(noom_LuaVM *vm, noomV_ObjTag tag, noom_uint_t size)
return o;
}
noomV_String *noomV_allocStr(noom_LuaVM *vm, const char *str, noom_uint_t len) {
noomV_String *s = (noomV_String*)noomV_allocObj(vm, NOOMV_OSTR, sizeof(noomV_String) + len + 1);
if (s == 0) return 0;
noom_memcpy(s->data, str, len);
s->data[len] = '\0';
return s;
}
noomV_Function *noomV_allocFunc(noom_LuaVM *vm, const char *str, noom_uint_t len) {
noomV_Function *f = (noomV_Function*)noomV_allocObj(vm, NOOMV_OFUNC, sizeof(noomV_Function));
if (f == 0) return 0;
f->chunkname = noomV_allocStr(vm, str, len);
if (f->chunkname == 0) return 0;
f->code = 0;
f->consts = 0;
f->protos = 0;
f->upvals = 0;
f->locals = 0;
f->codesize = 0;
f->linedefined = 0;
f->lastlinedefined = 0;
f->argc = 0;
f->flags = 0;
f->constsize = 0;
f->protosize = 0;
f->upvalsize = 0;
f->localsize = 0;
return f;
}
noomV_Table *noomV_allocTable(noom_LuaVM *vm) {
noomV_Table *t = (noomV_Table *)noomV_allocObj(vm, NOOMV_OTABLE, sizeof(noomV_Table));
if (t == 0) return 0;
t->meta = 0;
t->entries = 0;
t->used = 0;
t->len = 0;
t->entrydata = 0;
return t;
}
void noomV_freeObj(noomV_Object *obj) {
noom_free(obj);
}

3
src/vm.h
View File

@@ -309,6 +309,9 @@ struct noom_LuaVM {
// Allocating objects
noomV_Object *noomV_allocObj(noom_LuaVM *vm, noomV_ObjTag tag, noom_uint_t size);
noomV_String *noomV_allocStr(noom_LuaVM *vm, const char *str, noom_uint_t len);
noomV_Function *noomV_allocFunc(noom_LuaVM *vm, const char *str, noom_uint_t len);
noomV_Function *noomV_allocFunc(noom_LuaVM *vm, const char *str, noom_uint_t len);
void noomV_freeObj(noomV_Object *obj);
#endif