summaryrefslogtreecommitdiff
path: root/compiler.c
diff options
context:
space:
mode:
authorKyle Gunger <kgunger12@gmail.com>2024-03-05 13:53:34 -0500
committerKyle Gunger <kgunger12@gmail.com>2024-03-05 13:53:34 -0500
commit2dca2fa01495072c7497d466ad92ab3df3f19b90 (patch)
tree641e42d169d92f256521c6f237eeb4fae95937aa /compiler.c
parent577e8a4a9424dcc76694effab07963c696d6ce37 (diff)
some file level stuff
Diffstat (limited to 'compiler.c')
-rw-r--r--compiler.c170
1 files changed, 166 insertions, 4 deletions
diff --git a/compiler.c b/compiler.c
index 05089bb..10bba83 100644
--- a/compiler.c
+++ b/compiler.c
@@ -4323,7 +4323,7 @@ Variable eval(Scope *s, CompData *out, Vector *tokens, size_t *pos, bool keep, V
}
void eval_strict_zero(CompData *out, Vector *tokens, Variable *v) {
- int size = v->type->size;
+ int size = _var_pure_size(v);
bool array = false;
if (_var_ptr_type(v) < 2 && _var_ptr_type(v) > PTYPE_NONE) {
size = 8;
@@ -4347,8 +4347,170 @@ void eval_strict_zero(CompData *out, Vector *tokens, Variable *v) {
vect_push_string(&out->data, "\n\n");
}
-void eval_strict(CompData *out, Vector *tokens, Variable *v, size_t start, size_t end) {
+void eval_strict_literal(Vector *out, Vector *tokens, Variable *v, size_t start) {
+ Token *cur = vect_get(tokens, start);
+
+ if (cur->type != TT_LITERAL) {
+ printf("ERROR: Expected literal value, got \"%s\" (%d:%d)\n\n", cur->data, cur->line, cur->col);
+ p2_error = true;
+ return;
+ } else if (cur->data[0] == '"') {
+ printf("ERROR: Unexpected string literal (wanted numeric or character value), got \"%s\" (%d:%d)\n\n", cur->data, cur->line, cur->col);
+ p2_error = true;
+ return;
+ }
+
+ char *numstr;
+ if (cur->data[0] == '\'') {
+ numstr = int_to_str(tnsl_unquote_char(cur->data));
+ } else {
+ numstr = int_to_str(tnsl_parse_number(cur));
+ }
+
+ char *str;
+
+ switch(_var_size(v)) {
+ case 1:
+ str = "\tdb ";
+ case 2:
+ str = "\tdw ";
+ case 4:
+ str = "\tdd ";
+ case 8:
+ str = "\tdq ";
+ }
+
+ vect_push_string(out, str);
+ vect_push_free_string(out, numstr);
+ vect_push_string(out, "; Numeric literal\n");
+}
+
+void eval_strict_composite(Module *mod, Vector *out, Vector *tokens, Variable *v, size_t start, char *datalab, int *ntharr);
+
+void eval_strict_arr(Module *mod, Vector *out, Vector *tokens, Variable *v, size_t start, char *datalab, int *ntharr) {
+ Vector store = vect_from_string(datalab);
+ vect_push_string(&store, "#ptr");
+ vect_push_free_string(&store, int_to_str(*ntharr));
+ vect_push_string(&store, ":\n");
+
+ // TODO array eval loop
+
+ // Overwrite out
+ vect_push_string(&store, vect_as_string(out));
+ vect_end(out);
+ *out = store;
+}
+
+void eval_strict_ptr(Module *mod, Vector *out, Vector *tokens, Variable *v, size_t start, char *datalab, int *ntharr) {
+ Token *cur = vect_get(tokens, start);
+
+ if (tok_str_eq(cur, "~")) {
+ // define qword pointer to existing label
+ Artifact v_art = art_from_str("", '.');
+ for (start++; ;start++) {
+ cur = vect_get(tokens, start);
+ if (cur == NULL) {
+ cur = tnsl_find_last_token(tokens, start);
+ break;
+ } else if (cur->type == TT_DEFWORD) {
+ art_add_str(&v_art, cur->data);
+ } else if (!tok_str_eq(cur, ".")) {
+ printf("ERROR: Unexpected token in pointer declaration (file level) \"%s\", (%d:%d)\n\n", cur->data, cur->line, cur->col);
+ p2_error = true;
+ break;
+ }
+ }
+
+ // Find var and get data label
+ Variable *ptr = mod_find_var(mod, &v_art);
+ if (ptr == NULL) {
+ char *v_name = art_to_str(&v_art, '.');
+ printf("ERROR: Could not find variable \"%s\" for pointer value (%d:%d)\n\n", v_name, cur->line, cur->col);
+ free(v_name);
+ }
+ vect_push_string(out, "\tdq ");
+ vect_push_free_string(out, _var_get_datalabel(ptr));
+ vect_push_string(out, "\n");
+
+ } else if (tok_str_eq(cur, "{") || cur->data[0] == '\"') {
+ // Harder, define array
+ vect_push_string(out, "\tdq ");
+ vect_push_string(out, datalab);
+ vect_push_string(out, "#ptr");
+ vect_push_free_string(out, int_to_str(*ntharr));
+ vect_push_string(out, " ; ref to pointer\n");
+ eval_strict_arr(mod, out, tokens, v, start, datalab, ntharr);
+ } else if (cur->type == TT_LITERAL){
+ // Literal value interpreted as memory location
+ eval_strict_literal(out, tokens, v, start);
+ } else {
+ // Not impl
+ printf("ERROR: Unexpected token when parsing a pointer value at \"%s\" (%d:%d)\n\n", cur->data, cur->line, cur->col);
+ p2_error = true;
+ }
+}
+
+void eval_strict_composite(Module *mod, Vector *out, Vector *tokens, Variable *v, size_t start, char *datalab, int *ntharr) {
+ Token *cur = vect_get(tokens, start);
+
+ if (!tok_str_eq(cur, "{")) {
+ printf("ERROR: Expected composite value (enclosed with '{}'), got \"%s\" (%d:%d)\n\n", cur->data, cur->line, cur->col);
+ p2_error = true;
+ return;
+ }
+
+ int last = tnsl_find_closing(tokens, start);
+ if (last < 0) {
+ printf("ERROR: Could not find closing '}' for composite value (%d:%d)\n\n", cur->line, cur->col);
+ p2_error = true;
+ return;
+ }
+
+ size_t subvar = 0;
+ bool first = true;
+ for (start++; start < last; start++) {
+ if (first) {
+ Variable *sub = vect_get(&v->type->members, subvar);
+ if (sub == NULL) {
+ // Reached end of subvars, discard rest
+ start = last;
+ continue;
+ } else if (_var_ptr_type(sub) > 1) {
+ eval_strict_arr(mod, out, tokens, sub, start, datalab, ntharr);
+ } else if (_var_ptr_type(sub) > PTYPE_NONE) {
+ eval_strict_ptr(mod, out, tokens, sub, start, datalab, ntharr);
+ } else if (!is_inbuilt(sub->type->name)) {
+ eval_strict_composite(mod, out, tokens, sub, start, datalab, ntharr);
+ } else {
+ eval_strict_literal(out, tokens, sub, start);
+ }
+ subvar++;
+ }
+
+ Token *cur = vect_get(tokens, start);
+
+ }
+}
+
+void eval_strict(CompData *out, Vector *tokens, Variable *v, size_t start) {
+ char *datalab = _var_get_datalabel(v);
+ Vector store = vect_from_string(datalab);
+ vect_push_string(&store, ":\n");
+ size_t ntharr = 0;
+
+ Token *cur = vect_get(tokens, start + 1);
+
+ if (_var_ptr_type(v) > 1) {
+ eval_strict_arr(v->mod, &store, tokens, v, start + 2, datalab, &ntharr);
+ } else if (_var_ptr_type(v) > PTYPE_NONE) {
+ eval_strict_ptr(v->mod, &store, tokens, v, start + 2, datalab, &ntharr);
+ } else if (!is_inbuilt(v->type->name)) {
+ eval_strict_composite(v->mod, &store, tokens, v, start + 2, datalab, &ntharr);
+ } else {
+ eval_strict_literal(&store, tokens, v, start + 2);
+ }
+ vect_push_string(&out->data, vect_as_string(&store));
}
// Compile a top-level definition
@@ -4386,7 +4548,7 @@ void p2_compile_fdef(Module *root, CompData *out, Vector *tokens, size_t *pos) {
*pos = tnsl_find_closing(tokens, *pos);
} else if (tok_str_eq(t, ",")) {
if (*pos - start > 1) {
- eval_strict(out, tokens, cur, start, *pos);
+ eval_strict(out, tokens, cur, start);
} else if(*pos - start > 0) {
eval_strict_zero(out, tokens, cur);
}
@@ -4397,7 +4559,7 @@ void p2_compile_fdef(Module *root, CompData *out, Vector *tokens, size_t *pos) {
}
if (*pos - start > 1) {
- eval_strict(out, tokens, cur, start, *pos);
+ eval_strict(out, tokens, cur, start);
} else if(*pos - start > 0) {
eval_strict_zero(out, tokens, cur);
}