diff options
Diffstat (limited to 'compiler.c')
| -rw-r--r-- | compiler.c | 204 |
1 files changed, 178 insertions, 26 deletions
@@ -404,7 +404,7 @@ Type *typ_get_inbuilt(char *name) { // Variables -// Initializes the variable, copying name, not copying type. +// Initializes the variable, copying name, not deep copying type as it is a pointer. Variable var_init(char *name, Type *type) { Variable out = {0}; @@ -447,6 +447,7 @@ Variable _op_coerce(Variable *base, Variable *to_coerce) { // TODO: Operations on variables + // Functions Function func_init(char *name, Module *module) { @@ -1992,6 +1993,35 @@ void phase_1(Artifact *path, Module *root) { // Phase 2 +typedef struct Scope { + char *name; + Module *current; + Vector vars; + struct Scope *parent; +} Scope; + +Scope scope_init(char *name, Module *mod) { + Scope out = {0}; + + Vector cpy = vect_from_string(name); + out.name = vect_as_string(&cpy); + + out.vars = vect_init(sizeof(Variable)); + out.current = mod; + + return out; +} + +void scope_end(Scope *s) { + free(s->name); + + for(size_t i = 0; i < s->vars.count; i++) { + Variable *v = vect_get(&s->vars, i); + var_end(v); + } + vect_end(&s->vars); +} + bool p2_error = false; /* Op order @@ -2006,24 +2036,24 @@ bool p2_error = false; * 2: ++ -- * Increment/decrement * - * 3: len + * 3: ~ + * Get reference + * + * 4: len * length of array or type * - * 4: * / % + * 5: * / % * Multiplication/division * - * 5: + - + * 6: + - * Addition/subtraction * - * 6: ! & | ^ << >> !& !| !^ + * 7: ! & | ^ << >> !& !| !^ * Bitwise operations (and boolean not) * - * 7: == && || ^^ < > !== !&& !|| !^^ !< !> <== >== + * 8: == && || ^^ < > !== !&& !|| !^^ !< !> <== >== * Boolean operations * - * 8: ~ - * Get reference - * * 9: = *= /= %= += -= etc. * Assignment operators */ @@ -2047,22 +2077,22 @@ int op_order(Token *t) { return 0; case '`': return 1; + case '~': + return 3; case '*': case '/': case '%': - return 4; + return 5; case '+': case '-': - return 5; + return 6; case '!': case '&': case '|': case '^': - return 6; + return 7; case '<': case '>': - return 7; - case '~': return 8; case '=': return 9; @@ -2073,40 +2103,156 @@ int op_order(Token *t) { if (t->data[1] == '+' || t->data[1] == '-') return 2; if (t->data[0] == '<' || t->data[0] == '>') - return 6; - return 7; + return 7; + return 8; } if (t->data[1] == '<' || t->data[1] == '>') - return 7; + return 8; if (t->data[1] == '=') - return 8; + return 9; if (t->data[0] == '!') - return 6; + return 7; } else if (l == 3) { if(tok_str_eq(t, "len")) - return 3; - return 6; + return 4; + return 7; } return -1; } -Variable eval(Module *root, CompData *out, Vector *tokens, size_t *pos) { +// TODO: Operator evaluation, variable members, literals, function calls +Variable eval(Scope *s, CompData *out, Vector *tokens, size_t *pos) { Variable store; return store; } +// TODO determine weather to break this into two functions (one for inside functions, one for top-level) +Variable p2_compile_def(Scope *s, CompData *out, Vector *tokens, size_t *pos) { + return eval(s, out, tokens, pos); +} + +// TODO (depends on top-level defs working) void p2_compile_enum(Module *root, CompData *out, Vector *tokens, size_t *pos) { + int end = tnsl_find_closing(tokens, *pos); + Token *t = vect_get(tokens, *pos); + if(end < 0) { + printf("ERROR: Could not find closing for enum \"%s\" (%d:%d)\n\n", t->data, t->line, t->col); + p2_error = true; + return; + } + +} + +// TODO loop blocks, if blocks, else blocks +void p2_compile_control(Scope *s, CompData *out, Vector *tokens, size_t *pos) { + int end = tnsl_find_closing(tokens, *pos); + Token *t = vect_get(tokens, *pos); + + if(end < 0) { + printf("ERROR: Could not find closing for control block \"%s\" (%d:%d)\n\n", t->data, t->line, t->col); + p2_error = true; + return; + } + } void p2_compile_function(Module *root, CompData *out, Vector *tokens, size_t *pos) { + int end = tnsl_find_closing(tokens, *pos); + Token *start = vect_get(tokens, *pos); + + if(end < 0) { + printf("ERROR: Could not find closing for function \"%s\" (%d:%d)\n\n", start->data, start->line, start->col); + p2_error = true; + return; + } + + Token *t = vect_get(tokens, *pos); + while (t != NULL && *pos < (size_t)end && t->type != TT_DEFWORD) { + t = vect_get(tokens, ++(*pos)); + if(tok_str_eq(t, "\n")) + break; + } + + if(t == NULL || t->type != TT_DEFWORD) { + printf("ERROR: Could not user defined name for function \"%s\" (%d:%d)\n\n", start->data, start->line, start->col); + p2_error = true; + return; + } + + // fart + Artifact f_art = art_from_str(t->data, ' '); + Function *f = mod_find_func(root, &f_art); + art_end(&f_art); + + Scope fs = scope_init(t->data, root); + + while(*pos < (size_t)end) { + t = vect_get(tokens, ++(*pos)); + if(tok_str_eq(t, "\n")) + break; + } + + for(*pos += 1; *pos < (size_t)end; *pos += 1) { + t = vect_get(tokens, ++(*pos)); + if (tok_str_eq(t, "/;") || tok_str_eq(t, ";;")) { + size_t b_open = *pos; + + if(tnsl_block_type(tokens, *pos) == BT_CONTROL) { + p2_compile_control(&fs, out, tokens, pos); + } else { + printf("ERROR: Only control blocks (if, else, loop, switch) are valid inside functions (%d:%d)\n\n", t->line, t->col); + p2_error = true; + } + + if (*pos == b_open) { + *pos = tnsl_find_closing(tokens, b_open); + } else if (tok_str_eq(t, ";;")) { + *pos -= 1; + } + + } else if (tnsl_is_def(tokens, *pos)) { + p2_compile_def(&fs, out, tokens, pos); + } else { + // TODO: figure out eval parameter needs (maybe needs start and end size_t?) + // and how eval will play into top level defs (if at all) + eval(&fs, out, tokens, pos); + } + } + + *pos = end; } void p2_compile_method(Module *root, CompData *out, Vector *tokens, size_t *pos) { + int end = tnsl_find_closing(tokens, *pos); + Token *t = vect_get(tokens, *pos); + + if(end < 0) { + printf("ERROR: Could not find closing for method \"%s\" (%d:%d)\n\n", t->data, t->line, t->col); + p2_error = true; + return; + } + + *pos += 2; + t = vect_get(tokens, *pos); + + if (t == NULL || t->type != TT_DEFWORD) { + printf("ERROR: Expected user defined type after 'method' keyword (%d:%d)\n\n", t->line, t->col); + *pos = end; + p2_error = true; + return; + } + + Vector sub_name = vect_from_string("@"); + vect_push_string(&sub_name, t->data); + + // TODO: method loop + + mod_find_sub(root, vect_as_string(&sub_name)); } void p2_file_loop( @@ -2273,16 +2419,22 @@ void p2_file_loop( } else if (tok_str_eq(t, ";;")) { start--; } - } else if (t->type == TT_KEYWORD && tok_str_eq(t, "struct")) { - p1_parse_struct(root, tokens, &start); } else if (tnsl_is_def(tokens, start)) { - p1_parse_def(root, tokens, &start); + // TODO: top level defs + } else if (tok_str_eq(t, "asm")) { + // TODO: top level asm should go where? } } } +void p2_finalize_data(Module *root, CompData *out) { + // TODO: deal with all module vars, create data section. +} + CompData phase_2(Artifact *path, Module *root) { - return p2_compile_file(path, root); + CompData out = p2_compile_file(path, root); + p2_finalize_data(root, &out); + return out; } void compile(Artifact *path_in, Artifact *path_out) { |