diff options
Diffstat (limited to 'compiler.c')
| -rw-r--r-- | compiler.c | 170 |
1 files changed, 166 insertions, 4 deletions
@@ -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); } |