16 MEM_VECTOR_MAKE(varentry_t, globals);
17 MEM_VECTOR_MAKE(varentry_t, fields);
18 MEM_VECTOR_MAKE(ast_function*, functions);
19 MEM_VECTOR_MAKE(ast_value*, imm_float);
20 MEM_VECTOR_MAKE(ast_value*, imm_string);
21 MEM_VECTOR_MAKE(ast_value*, imm_vector);
23 ast_value *imm_float_zero;
24 ast_value *imm_vector_zero;
29 ast_function *function;
30 MEM_VECTOR_MAKE(varentry_t, locals);
35 /* we store the '=' operator info */
36 const oper_info *assign_op;
38 /* TYPE_FIELD -> parser_find_fields is used instead of find_var
39 * TODO: TYPE_VECTOR -> x, y and z are accepted in the gmqcc standard
40 * anything else: type error
45 MEM_VEC_FUNCTIONS(parser_t, varentry_t, globals)
46 MEM_VEC_FUNCTIONS(parser_t, varentry_t, fields)
47 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_float)
48 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_string)
49 MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_vector)
50 MEM_VEC_FUNCTIONS(parser_t, varentry_t, locals)
51 MEM_VEC_FUNCTIONS(parser_t, ast_function*, functions)
53 static bool GMQCC_WARN parser_pop_local(parser_t *parser);
54 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields);
55 static ast_block* parse_block(parser_t *parser, bool warnreturn);
56 static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn);
57 static ast_expression* parse_statement_or_block(parser_t *parser);
58 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma);
59 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma);
61 static void parseerror(parser_t *parser, const char *fmt, ...)
68 vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
72 /* returns true if it counts as an error */
73 static bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
76 int lvl = LVL_WARNING;
78 if (!OPTS_WARN(warntype))
87 vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
93 static bool GMQCC_WARN genwarning(lex_ctx ctx, int warntype, const char *fmt, ...)
96 int lvl = LVL_WARNING;
98 if (!OPTS_WARN(warntype))
105 vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
111 /**********************************************************************
112 * some maths used for constant folding
115 vector vec3_add(vector a, vector b)
124 vector vec3_sub(vector a, vector b)
133 qcfloat vec3_mulvv(vector a, vector b)
135 return (a.x * b.x + a.y * b.y + a.z * b.z);
138 vector vec3_mulvf(vector a, float b)
147 /**********************************************************************
151 bool parser_next(parser_t *parser)
153 /* lex_do kills the previous token */
154 parser->tok = lex_do(parser->lex);
155 if (parser->tok == TOKEN_EOF)
157 if (parser->tok >= TOKEN_ERROR) {
158 parseerror(parser, "lex error");
164 #define parser_tokval(p) ((p)->lex->tok.value)
165 #define parser_token(p) (&((p)->lex->tok))
166 #define parser_ctx(p) ((p)->lex->tok.ctx)
168 static ast_value* parser_const_float(parser_t *parser, double d)
172 for (i = 0; i < parser->imm_float_count; ++i) {
173 if (parser->imm_float[i]->constval.vfloat == d)
174 return parser->imm_float[i];
176 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
178 out->constval.vfloat = d;
179 if (!parser_t_imm_float_add(parser, out)) {
180 ast_value_delete(out);
186 static ast_value* parser_const_float_0(parser_t *parser)
188 if (!parser->imm_float_zero)
189 parser->imm_float_zero = parser_const_float(parser, 0);
190 return parser->imm_float_zero;
193 static char *parser_strdup(const char *str)
196 /* actually dup empty strings */
197 char *out = mem_a(1);
201 return util_strdup(str);
204 static ast_value* parser_const_string(parser_t *parser, const char *str)
208 for (i = 0; i < parser->imm_string_count; ++i) {
209 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
210 return parser->imm_string[i];
212 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
214 out->constval.vstring = parser_strdup(str);
215 if (!parser_t_imm_string_add(parser, out)) {
216 ast_value_delete(out);
222 static ast_value* parser_const_vector(parser_t *parser, vector v)
226 for (i = 0; i < parser->imm_vector_count; ++i) {
227 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
228 return parser->imm_vector[i];
230 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
232 out->constval.vvec = v;
233 if (!parser_t_imm_vector_add(parser, out)) {
234 ast_value_delete(out);
240 static ast_value* parser_const_vector_f(parser_t *parser, float x, float y, float z)
246 return parser_const_vector(parser, v);
249 static ast_value* parser_const_vector_0(parser_t *parser)
251 if (!parser->imm_vector_zero)
252 parser->imm_vector_zero = parser_const_vector_f(parser, 0, 0, 0);
253 return parser->imm_vector_zero;
256 static ast_expression* parser_find_field(parser_t *parser, const char *name)
259 for (i = 0; i < parser->fields_count; ++i) {
260 if (!strcmp(parser->fields[i].name, name))
261 return parser->fields[i].var;
266 static ast_expression* parser_find_global(parser_t *parser, const char *name)
269 for (i = 0; i < parser->globals_count; ++i) {
270 if (!strcmp(parser->globals[i].name, name))
271 return parser->globals[i].var;
276 static ast_expression* parser_find_param(parser_t *parser, const char *name)
280 if (!parser->function)
282 fun = parser->function->vtype;
283 for (i = 0; i < fun->expression.params_count; ++i) {
284 if (!strcmp(fun->expression.params[i]->name, name))
285 return (ast_expression*)(fun->expression.params[i]);
290 static ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
294 for (i = parser->locals_count; i > upto;) {
296 if (!strcmp(parser->locals[i].name, name))
297 return parser->locals[i].var;
300 return parser_find_param(parser, name);
303 static ast_expression* parser_find_var(parser_t *parser, const char *name)
307 v = parser_find_local(parser, name, 0, &dummy);
308 if (!v) v = parser_find_global(parser, name);
314 size_t etype; /* 0 = expression, others are operators */
318 ast_block *block; /* for commas and function calls */
323 MEM_VECTOR_MAKE(sy_elem, out);
324 MEM_VECTOR_MAKE(sy_elem, ops);
326 MEM_VEC_FUNCTIONS(shunt, sy_elem, out)
327 MEM_VEC_FUNCTIONS(shunt, sy_elem, ops)
329 #define SY_PAREN_EXPR '('
330 #define SY_PAREN_FUNC 'f'
331 #define SY_PAREN_INDEX '['
333 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
344 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
348 e.out = (ast_expression*)v;
355 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
357 e.etype = 1 + (op - operators);
366 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
378 # define DEBUGSHUNTDO(x) x
380 # define DEBUGSHUNTDO(x)
383 /* With regular precedence rules, ent.foo[n] is the same as (ent.foo)[n],
384 * so we need to rotate it to become ent.(foo[n]).
386 static bool rotate_entfield_array_index_nodes(ast_expression **out)
388 ast_array_index *index;
389 ast_entfield *entfield;
393 ast_expression *entity;
395 lex_ctx ctx = ast_ctx(*out);
397 if (!ast_istype(*out, ast_array_index))
399 index = (ast_array_index*)*out;
401 if (!ast_istype(index->array, ast_entfield))
403 entfield = (ast_entfield*)index->array;
405 if (!ast_istype(entfield->field, ast_value))
407 field = (ast_value*)entfield->field;
410 entity = entfield->entity;
414 index = ast_array_index_new(ctx, (ast_expression*)field, sub);
415 entfield = ast_entfield_new(ctx, entity, (ast_expression*)index);
416 *out = (ast_expression*)entfield;
421 static bool parser_sy_pop(parser_t *parser, shunt *sy)
425 ast_expression *out = NULL;
426 ast_expression *exprs[3];
427 ast_block *blocks[3];
428 ast_value *asvalue[3];
430 qcint generated_op = 0;
435 if (!sy->ops_count) {
436 parseerror(parser, "internal error: missing operator");
440 if (sy->ops[sy->ops_count-1].paren) {
441 parseerror(parser, "unmatched parenthesis");
445 op = &operators[sy->ops[sy->ops_count-1].etype - 1];
446 ctx = sy->ops[sy->ops_count-1].ctx;
448 DEBUGSHUNTDO(printf("apply %s\n", op->op));
450 if (sy->out_count < op->operands) {
451 parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", sy->out_count,
452 op->op, (int)op->id);
458 sy->out_count -= op->operands;
459 for (i = 0; i < op->operands; ++i) {
460 exprs[i] = sy->out[sy->out_count+i].out;
461 blocks[i] = sy->out[sy->out_count+i].block;
462 asvalue[i] = (ast_value*)exprs[i];
465 if (blocks[0] && !blocks[0]->exprs_count && op->id != opid1(',')) {
466 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
470 #define NotSameType(T) \
471 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
472 exprs[0]->expression.vtype != T)
473 #define CanConstFold1(A) \
474 (ast_istype((A), ast_value) && ((ast_value*)(A))->isconst)
475 #define CanConstFold(A, B) \
476 (CanConstFold1(A) && CanConstFold1(B))
477 #define ConstV(i) (asvalue[(i)]->constval.vvec)
478 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
479 #define ConstS(i) (asvalue[(i)]->constval.vstring)
483 parseerror(parser, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
487 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
488 if (exprs[1]->expression.vtype != TYPE_FIELD) {
489 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
492 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
494 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
495 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
499 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
505 if (exprs[0]->expression.vtype != TYPE_ARRAY &&
506 !(exprs[0]->expression.vtype == TYPE_FIELD &&
507 exprs[0]->expression.next->expression.vtype == TYPE_ARRAY))
509 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
510 parseerror(parser, "cannot index value of type %s", ty1);
513 if (exprs[1]->expression.vtype != TYPE_FLOAT) {
514 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
515 parseerror(parser, "index must be of type float, not %s", ty1);
518 out = (ast_expression*)ast_array_index_new(ctx, exprs[0], exprs[1]);
519 if (rotate_entfield_array_index_nodes(&out))
521 if (opts_standard != COMPILER_GMQCC) {
522 /* this error doesn't need to make us bail out */
523 (void)!parsewarning(parser, WARN_EXTENSIONS,
524 "accessing array-field members of an entity without parenthesis");
531 if (!ast_block_exprs_add(blocks[0], exprs[1]))
534 blocks[0] = ast_block_new(ctx);
535 if (!ast_block_exprs_add(blocks[0], exprs[0]) ||
536 !ast_block_exprs_add(blocks[0], exprs[1]))
541 if (!ast_block_set_type(blocks[0], exprs[1]))
544 sy->out[sy->out_count++] = syblock(ctx, blocks[0]);
548 switch (exprs[0]->expression.vtype) {
550 if (CanConstFold1(exprs[0]))
551 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
553 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
554 (ast_expression*)parser_const_float_0(parser),
558 if (CanConstFold1(exprs[0]))
559 out = (ast_expression*)parser_const_vector_f(parser,
560 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
562 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
563 (ast_expression*)parser_const_vector_0(parser),
567 parseerror(parser, "invalid types used in expression: cannot negate type %s",
568 type_name[exprs[0]->expression.vtype]);
574 switch (exprs[0]->expression.vtype) {
576 if (CanConstFold1(exprs[0]))
577 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
579 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
582 if (CanConstFold1(exprs[0]))
583 out = (ast_expression*)parser_const_float(parser,
584 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
586 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
589 if (CanConstFold1(exprs[0]))
590 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
592 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
594 /* we don't constant-fold NOT for these types */
596 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
599 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
602 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
603 type_name[exprs[0]->expression.vtype]);
609 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
610 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
612 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
613 type_name[exprs[0]->expression.vtype],
614 type_name[exprs[1]->expression.vtype]);
617 switch (exprs[0]->expression.vtype) {
619 if (CanConstFold(exprs[0], exprs[1]))
621 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
624 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
627 if (CanConstFold(exprs[0], exprs[1]))
628 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
630 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
633 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
634 type_name[exprs[0]->expression.vtype],
635 type_name[exprs[1]->expression.vtype]);
640 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
641 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
643 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
644 type_name[exprs[1]->expression.vtype],
645 type_name[exprs[0]->expression.vtype]);
648 switch (exprs[0]->expression.vtype) {
650 if (CanConstFold(exprs[0], exprs[1]))
651 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
653 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
656 if (CanConstFold(exprs[0], exprs[1]))
657 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
659 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
662 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
663 type_name[exprs[1]->expression.vtype],
664 type_name[exprs[0]->expression.vtype]);
669 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
670 exprs[0]->expression.vtype != TYPE_VECTOR &&
671 exprs[0]->expression.vtype != TYPE_FLOAT &&
672 exprs[1]->expression.vtype != TYPE_VECTOR &&
673 exprs[1]->expression.vtype != TYPE_FLOAT)
675 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
676 type_name[exprs[1]->expression.vtype],
677 type_name[exprs[0]->expression.vtype]);
680 switch (exprs[0]->expression.vtype) {
682 if (exprs[1]->expression.vtype == TYPE_VECTOR)
684 if (CanConstFold(exprs[0], exprs[1]))
685 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
687 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
691 if (CanConstFold(exprs[0], exprs[1]))
692 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
694 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
698 if (exprs[1]->expression.vtype == TYPE_FLOAT)
700 if (CanConstFold(exprs[0], exprs[1]))
701 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
703 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
707 if (CanConstFold(exprs[0], exprs[1]))
708 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
710 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
714 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
715 type_name[exprs[1]->expression.vtype],
716 type_name[exprs[0]->expression.vtype]);
721 if (NotSameType(TYPE_FLOAT)) {
722 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
723 type_name[exprs[0]->expression.vtype],
724 type_name[exprs[1]->expression.vtype]);
727 if (CanConstFold(exprs[0], exprs[1]))
728 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
730 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
734 parseerror(parser, "qc does not have a modulo operator");
738 if (NotSameType(TYPE_FLOAT)) {
739 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
740 type_name[exprs[0]->expression.vtype],
741 type_name[exprs[1]->expression.vtype]);
744 if (CanConstFold(exprs[0], exprs[1]))
745 out = (ast_expression*)parser_const_float(parser,
746 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
747 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
749 out = (ast_expression*)ast_binary_new(ctx,
750 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
754 parseerror(parser, "TODO: bitxor");
759 case opid3('<','<','='):
760 case opid3('>','>','='):
761 parseerror(parser, "TODO: shifts");
765 generated_op += 1; /* INSTR_OR */
767 generated_op += INSTR_AND;
768 if (NotSameType(TYPE_FLOAT)) {
769 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
770 type_name[exprs[0]->expression.vtype],
771 type_name[exprs[1]->expression.vtype]);
772 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
773 parseerror(parser, "TODO: optional early out");
776 if (opts_standard == COMPILER_GMQCC)
777 printf("TODO: early out logic\n");
778 if (CanConstFold(exprs[0], exprs[1]))
779 out = (ast_expression*)parser_const_float(parser,
780 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
782 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
786 generated_op += 1; /* INSTR_GT */
788 generated_op += 1; /* INSTR_LT */
789 case opid2('>', '='):
790 generated_op += 1; /* INSTR_GE */
791 case opid2('<', '='):
792 generated_op += INSTR_LE;
793 if (NotSameType(TYPE_FLOAT)) {
794 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
795 type_name[exprs[0]->expression.vtype],
796 type_name[exprs[1]->expression.vtype]);
799 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
801 case opid2('!', '='):
802 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
803 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
804 type_name[exprs[0]->expression.vtype],
805 type_name[exprs[1]->expression.vtype]);
808 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
810 case opid2('=', '='):
811 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
812 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
813 type_name[exprs[0]->expression.vtype],
814 type_name[exprs[1]->expression.vtype]);
817 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
821 if (ast_istype(exprs[0], ast_entfield)) {
822 ast_expression *field = ((ast_entfield*)exprs[0])->field;
823 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
824 exprs[0]->expression.vtype == TYPE_FIELD &&
825 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
827 assignop = type_storep_instr[TYPE_VECTOR];
830 assignop = type_storep_instr[exprs[0]->expression.vtype];
831 if (!ast_compare_type(field->expression.next, exprs[1])) {
832 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
833 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
834 if (opts_standard == COMPILER_QCC &&
835 field->expression.next->expression.vtype == TYPE_FUNCTION &&
836 exprs[1]->expression.vtype == TYPE_FUNCTION)
838 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
839 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
845 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
850 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
851 exprs[0]->expression.vtype == TYPE_FIELD &&
852 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
854 assignop = type_store_instr[TYPE_VECTOR];
857 assignop = type_store_instr[exprs[0]->expression.vtype];
860 if (assignop == AINSTR_END) {
861 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
862 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
863 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
865 else if (!ast_compare_type(exprs[0], exprs[1])) {
866 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
867 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
868 if (opts_standard == COMPILER_QCC &&
869 exprs[0]->expression.vtype == TYPE_FUNCTION &&
870 exprs[1]->expression.vtype == TYPE_FUNCTION)
872 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
873 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
879 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
882 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
886 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
887 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
889 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
890 type_name[exprs[0]->expression.vtype],
891 type_name[exprs[1]->expression.vtype]);
894 if (ast_istype(exprs[0], ast_entfield))
895 assignop = type_storep_instr[exprs[0]->expression.vtype];
897 assignop = type_store_instr[exprs[0]->expression.vtype];
898 switch (exprs[0]->expression.vtype) {
900 out = (ast_expression*)ast_binstore_new(ctx, assignop,
901 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
905 out = (ast_expression*)ast_binstore_new(ctx, assignop,
906 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
910 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
911 type_name[exprs[0]->expression.vtype],
912 type_name[exprs[1]->expression.vtype]);
920 parseerror(parser, "failed to apply operand %s", op->op);
924 DEBUGSHUNTDO(printf("applied %s\n", op->op));
925 sy->out[sy->out_count++] = syexp(ctx, out);
929 static bool parser_close_call(parser_t *parser, shunt *sy)
931 /* was a function call */
939 fid = sy->ops[sy->ops_count].off;
941 /* out[fid] is the function
942 * everything above is parameters...
944 * 1 params = ast_expression
948 if (sy->out_count < 1 || sy->out_count <= fid) {
949 parseerror(parser, "internal error: function call needs function and parameter list...");
953 fun = sy->out[fid].out;
955 call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
957 parseerror(parser, "out of memory");
961 if (fid+1 == sy->out_count) {
964 } else if (fid+2 == sy->out_count) {
967 params = sy->out[sy->out_count].block;
971 if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
972 ast_delete(sy->out[sy->out_count].out);
973 parseerror(parser, "out of memory");
977 paramcount = params->exprs_count;
978 MEM_VECTOR_MOVE(params, exprs, call, params);
981 if (!ast_call_check_types(call))
984 parseerror(parser, "invalid function call");
988 /* overwrite fid, the function, with a call */
989 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
991 if (fun->expression.vtype != TYPE_FUNCTION) {
992 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
996 if (!fun->expression.next) {
997 parseerror(parser, "could not determine function return type");
1000 if (fun->expression.params_count != paramcount &&
1001 !(fun->expression.variadic &&
1002 fun->expression.params_count < paramcount))
1005 const char *fewmany = (fun->expression.params_count > paramcount) ? "few" : "many";
1007 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
1008 if (opts_standard == COMPILER_GMQCC)
1011 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
1012 " -> `%s` has been declared here: %s:%i",
1013 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1014 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1016 parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
1017 " -> `%s` has been declared here: %s:%i",
1018 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1019 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1025 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1026 "too %s parameters for call to %s: expected %i, got %i\n"
1027 " -> `%s` has been declared here: %s:%i",
1028 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1029 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1031 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1032 "too %s parameters for function call: expected %i, got %i\n"
1033 " -> `%s` has been declared here: %s:%i",
1034 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1035 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1043 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1045 if (!sy->ops_count) {
1046 parseerror(parser, "unmatched closing paren");
1049 /* this would for bit a + (x) because there are no operators inside (x)
1050 if (sy->ops[sy->ops_count-1].paren == 1) {
1051 parseerror(parser, "empty parenthesis expression");
1055 while (sy->ops_count) {
1056 if (sy->ops[sy->ops_count-1].paren == SY_PAREN_FUNC) {
1057 if (!parser_close_call(parser, sy))
1061 if (sy->ops[sy->ops_count-1].paren == SY_PAREN_EXPR) {
1063 return !functions_only;
1065 if (sy->ops[sy->ops_count-1].paren == SY_PAREN_INDEX) {
1068 /* pop off the parenthesis */
1070 /* then apply the index operator */
1071 if (!parser_sy_pop(parser, sy))
1075 if (!parser_sy_pop(parser, sy))
1081 static void parser_reclassify_token(parser_t *parser)
1084 for (i = 0; i < operator_count; ++i) {
1085 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1086 parser->tok = TOKEN_OPERATOR;
1092 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma)
1094 ast_expression *expr = NULL;
1096 bool wantop = false;
1097 bool gotmemberof = false;
1099 /* count the parens because an if starts with one, so the
1100 * end of a condition is an unmatched closing paren
1104 MEM_VECTOR_INIT(&sy, out);
1105 MEM_VECTOR_INIT(&sy, ops);
1107 parser->lex->flags.noops = false;
1109 parser_reclassify_token(parser);
1114 gotmemberof = false;
1116 parser->memberof = 0;
1118 if (parser->tok == TOKEN_IDENT)
1120 ast_expression *var;
1122 parseerror(parser, "expected operator or end of statement");
1127 if (opts_standard == COMPILER_GMQCC)
1129 if (parser->memberof == TYPE_ENTITY) {
1130 /* still get vars first since there could be a fieldpointer */
1131 var = parser_find_var(parser, parser_tokval(parser));
1133 var = parser_find_field(parser, parser_tokval(parser));
1135 else if (parser->memberof == TYPE_VECTOR)
1137 parseerror(parser, "TODO: implement effective vector member access");
1140 else if (parser->memberof) {
1141 parseerror(parser, "namespace for member not found");
1145 var = parser_find_var(parser, parser_tokval(parser));
1147 var = parser_find_var(parser, parser_tokval(parser));
1149 var = parser_find_field(parser, parser_tokval(parser));
1152 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1155 if (ast_istype(var, ast_value))
1156 ((ast_value*)var)->uses++;
1157 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
1158 parseerror(parser, "out of memory");
1161 DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
1163 else if (parser->tok == TOKEN_FLOATCONST) {
1166 parseerror(parser, "expected operator or end of statement, got constant");
1170 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1173 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1174 parseerror(parser, "out of memory");
1177 DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
1179 else if (parser->tok == TOKEN_INTCONST) {
1182 parseerror(parser, "expected operator or end of statement, got constant");
1186 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1189 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1190 parseerror(parser, "out of memory");
1193 DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
1195 else if (parser->tok == TOKEN_STRINGCONST) {
1198 parseerror(parser, "expected operator or end of statement, got constant");
1202 val = parser_const_string(parser, parser_tokval(parser));
1205 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1206 parseerror(parser, "out of memory");
1209 DEBUGSHUNTDO(printf("push string\n"));
1211 else if (parser->tok == TOKEN_VECTORCONST) {
1214 parseerror(parser, "expected operator or end of statement, got constant");
1218 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1221 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1222 parseerror(parser, "out of memory");
1225 DEBUGSHUNTDO(printf("push '%g %g %g'\n",
1226 parser_token(parser)->constval.v.x,
1227 parser_token(parser)->constval.v.y,
1228 parser_token(parser)->constval.v.z));
1230 else if (parser->tok == '(') {
1231 parseerror(parser, "internal error: '(' should be classified as operator");
1234 else if (parser->tok == '[') {
1235 parseerror(parser, "internal error: '[' should be classified as operator");
1238 else if (parser->tok == ')') {
1240 DEBUGSHUNTDO(printf("do[op] )\n"));
1244 /* we do expect an operator next */
1245 /* closing an opening paren */
1246 if (!parser_close_paren(parser, &sy, false))
1249 DEBUGSHUNTDO(printf("do[nop] )\n"));
1253 /* allowed for function calls */
1254 if (!parser_close_paren(parser, &sy, true))
1259 else if (parser->tok == ']') {
1261 parseerror(parser, "operand expected");
1265 if (!parser_close_paren(parser, &sy, false))
1269 else if (parser->tok != TOKEN_OPERATOR) {
1271 parseerror(parser, "expected operator or end of statement");
1278 /* classify the operator */
1279 /* TODO: suffix operators */
1280 const oper_info *op;
1281 const oper_info *olast = NULL;
1283 for (o = 0; o < operator_count; ++o) {
1284 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1285 !(operators[o].flags & OP_SUFFIX) && /* remove this */
1286 !strcmp(parser_tokval(parser), operators[o].op))
1291 if (o == operator_count) {
1292 /* no operator found... must be the end of the statement */
1295 /* found an operator */
1298 /* when declaring variables, a comma starts a new variable */
1299 if (op->id == opid1(',') && !parens && stopatcomma) {
1300 /* fixup the token */
1305 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1306 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1309 (op->prec < olast->prec) ||
1310 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1312 if (!parser_sy_pop(parser, &sy))
1314 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1315 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1320 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1321 /* for gmqcc standard: open up the namespace of the previous type */
1322 ast_expression *prevex = sy.out[sy.out_count-1].out;
1324 parseerror(parser, "unexpected member operator");
1327 if (prevex->expression.vtype == TYPE_ENTITY)
1328 parser->memberof = TYPE_ENTITY;
1329 else if (prevex->expression.vtype == TYPE_VECTOR)
1330 parser->memberof = TYPE_VECTOR;
1332 parseerror(parser, "type error: type has no members");
1338 if (op->id == opid1('(')) {
1340 DEBUGSHUNTDO(printf("push [op] (\n"));
1342 /* we expected an operator, this is the function-call operator */
1343 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_FUNC, sy.out_count-1))) {
1344 parseerror(parser, "out of memory");
1349 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0))) {
1350 parseerror(parser, "out of memory");
1353 DEBUGSHUNTDO(printf("push [nop] (\n"));
1356 } else if (op->id == opid1('[')) {
1358 parseerror(parser, "unexpected array subscript");
1362 /* push both the operator and the paren, this makes life easier */
1363 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
1365 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0)))
1369 DEBUGSHUNTDO(printf("push operator %s\n", op->op));
1370 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
1375 if (!parser_next(parser)) {
1378 if (parser->tok == ';' || (!parens && parser->tok == ']')) {
1383 while (sy.ops_count) {
1384 if (!parser_sy_pop(parser, &sy))
1388 parser->lex->flags.noops = true;
1389 if (!sy.out_count) {
1390 parseerror(parser, "empty expression");
1393 expr = sy.out[0].out;
1394 MEM_VECTOR_CLEAR(&sy, out);
1395 MEM_VECTOR_CLEAR(&sy, ops);
1396 DEBUGSHUNTDO(printf("shunt done\n"));
1400 parser->lex->flags.noops = true;
1401 MEM_VECTOR_CLEAR(&sy, out);
1402 MEM_VECTOR_CLEAR(&sy, ops);
1406 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma)
1408 ast_expression *e = parse_expression_leave(parser, stopatcomma);
1411 if (!parser_next(parser)) {
1418 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1421 ast_expression *cond, *ontrue, *onfalse = NULL;
1423 lex_ctx ctx = parser_ctx(parser);
1425 /* skip the 'if' and check for opening paren */
1426 if (!parser_next(parser) || parser->tok != '(') {
1427 parseerror(parser, "expected 'if' condition in parenthesis");
1430 /* parse into the expression */
1431 if (!parser_next(parser)) {
1432 parseerror(parser, "expected 'if' condition after opening paren");
1435 /* parse the condition */
1436 cond = parse_expression_leave(parser, false);
1440 if (parser->tok != ')') {
1441 parseerror(parser, "expected closing paren after 'if' condition");
1445 /* parse into the 'then' branch */
1446 if (!parser_next(parser)) {
1447 parseerror(parser, "expected statement for on-true branch of 'if'");
1451 ontrue = parse_statement_or_block(parser);
1456 /* check for an else */
1457 if (!strcmp(parser_tokval(parser), "else")) {
1458 /* parse into the 'else' branch */
1459 if (!parser_next(parser)) {
1460 parseerror(parser, "expected on-false branch after 'else'");
1465 onfalse = parse_statement_or_block(parser);
1473 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1474 *out = (ast_expression*)ifthen;
1478 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1481 ast_expression *cond, *ontrue;
1483 lex_ctx ctx = parser_ctx(parser);
1485 /* skip the 'while' and check for opening paren */
1486 if (!parser_next(parser) || parser->tok != '(') {
1487 parseerror(parser, "expected 'while' condition in parenthesis");
1490 /* parse into the expression */
1491 if (!parser_next(parser)) {
1492 parseerror(parser, "expected 'while' condition after opening paren");
1495 /* parse the condition */
1496 cond = parse_expression_leave(parser, false);
1500 if (parser->tok != ')') {
1501 parseerror(parser, "expected closing paren after 'while' condition");
1505 /* parse into the 'then' branch */
1506 if (!parser_next(parser)) {
1507 parseerror(parser, "expected while-loop body");
1511 ontrue = parse_statement_or_block(parser);
1517 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1518 *out = (ast_expression*)aloop;
1522 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1525 ast_expression *cond, *ontrue;
1527 lex_ctx ctx = parser_ctx(parser);
1529 /* skip the 'do' and get the body */
1530 if (!parser_next(parser)) {
1531 parseerror(parser, "expected loop body");
1534 ontrue = parse_statement_or_block(parser);
1538 /* expect the "while" */
1539 if (parser->tok != TOKEN_KEYWORD ||
1540 strcmp(parser_tokval(parser), "while"))
1542 parseerror(parser, "expected 'while' and condition");
1547 /* skip the 'while' and check for opening paren */
1548 if (!parser_next(parser) || parser->tok != '(') {
1549 parseerror(parser, "expected 'while' condition in parenthesis");
1553 /* parse into the expression */
1554 if (!parser_next(parser)) {
1555 parseerror(parser, "expected 'while' condition after opening paren");
1559 /* parse the condition */
1560 cond = parse_expression_leave(parser, false);
1564 if (parser->tok != ')') {
1565 parseerror(parser, "expected closing paren after 'while' condition");
1571 if (!parser_next(parser) || parser->tok != ';') {
1572 parseerror(parser, "expected semicolon after condition");
1578 if (!parser_next(parser)) {
1579 parseerror(parser, "parse error");
1585 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1586 *out = (ast_expression*)aloop;
1590 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1593 ast_expression *initexpr, *cond, *increment, *ontrue;
1594 size_t oldblocklocal;
1597 lex_ctx ctx = parser_ctx(parser);
1599 oldblocklocal = parser->blocklocal;
1600 parser->blocklocal = parser->locals_count;
1607 /* skip the 'while' and check for opening paren */
1608 if (!parser_next(parser) || parser->tok != '(') {
1609 parseerror(parser, "expected 'for' expressions in parenthesis");
1612 /* parse into the expression */
1613 if (!parser_next(parser)) {
1614 parseerror(parser, "expected 'for' initializer after opening paren");
1618 if (parser->tok == TOKEN_TYPENAME) {
1619 if (opts_standard != COMPILER_GMQCC) {
1620 if (parsewarning(parser, WARN_EXTENSIONS,
1621 "current standard does not allow variable declarations in for-loop initializers"))
1625 parseerror(parser, "TODO: assignment of new variables to be non-const");
1627 if (!parse_variable(parser, block, true))
1630 else if (parser->tok != ';')
1632 initexpr = parse_expression_leave(parser, false);
1637 /* move on to condition */
1638 if (parser->tok != ';') {
1639 parseerror(parser, "expected semicolon after for-loop initializer");
1642 if (!parser_next(parser)) {
1643 parseerror(parser, "expected for-loop condition");
1647 /* parse the condition */
1648 if (parser->tok != ';') {
1649 cond = parse_expression_leave(parser, false);
1654 /* move on to incrementor */
1655 if (parser->tok != ';') {
1656 parseerror(parser, "expected semicolon after for-loop initializer");
1659 if (!parser_next(parser)) {
1660 parseerror(parser, "expected for-loop condition");
1664 /* parse the incrementor */
1665 if (parser->tok != ')') {
1666 increment = parse_expression_leave(parser, false);
1669 if (!ast_istype(increment, ast_store) &&
1670 !ast_istype(increment, ast_call) &&
1671 !ast_istype(increment, ast_binstore))
1673 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
1679 if (parser->tok != ')') {
1680 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1683 /* parse into the 'then' branch */
1684 if (!parser_next(parser)) {
1685 parseerror(parser, "expected for-loop body");
1688 ontrue = parse_statement_or_block(parser);
1693 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1694 *out = (ast_expression*)aloop;
1696 while (parser->locals_count > parser->blocklocal)
1697 retval = retval && parser_pop_local(parser);
1698 parser->blocklocal = oldblocklocal;
1701 if (initexpr) ast_delete(initexpr);
1702 if (cond) ast_delete(cond);
1703 if (increment) ast_delete(increment);
1704 while (parser->locals_count > parser->blocklocal)
1705 (void)!parser_pop_local(parser);
1706 parser->blocklocal = oldblocklocal;
1710 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1712 if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
1714 /* local variable */
1716 parseerror(parser, "cannot declare a variable from here");
1719 if (opts_standard == COMPILER_QCC) {
1720 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1723 if (!parse_variable(parser, block, false))
1728 else if (parser->tok == TOKEN_KEYWORD)
1730 if (!strcmp(parser_tokval(parser), "local"))
1733 parseerror(parser, "cannot declare a local variable here");
1736 if (!parser_next(parser)) {
1737 parseerror(parser, "expected variable declaration");
1740 if (!parse_variable(parser, block, true))
1745 else if (!strcmp(parser_tokval(parser), "return"))
1747 ast_expression *exp = NULL;
1748 ast_return *ret = NULL;
1749 ast_value *expected = parser->function->vtype;
1751 if (!parser_next(parser)) {
1752 parseerror(parser, "expected return expression");
1756 if (parser->tok != ';') {
1757 exp = parse_expression(parser, false);
1761 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1762 parseerror(parser, "return with invalid expression");
1765 ret = ast_return_new(exp->expression.node.context, exp);
1771 if (!parser_next(parser))
1772 parseerror(parser, "parse error");
1773 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1774 if (opts_standard != COMPILER_GMQCC)
1775 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
1777 parseerror(parser, "return without value");
1779 ret = ast_return_new(parser_ctx(parser), NULL);
1781 *out = (ast_expression*)ret;
1784 else if (!strcmp(parser_tokval(parser), "if"))
1786 return parse_if(parser, block, out);
1788 else if (!strcmp(parser_tokval(parser), "while"))
1790 return parse_while(parser, block, out);
1792 else if (!strcmp(parser_tokval(parser), "do"))
1794 return parse_dowhile(parser, block, out);
1796 else if (!strcmp(parser_tokval(parser), "for"))
1798 if (opts_standard == COMPILER_QCC) {
1799 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1802 return parse_for(parser, block, out);
1804 parseerror(parser, "Unexpected keyword");
1807 else if (parser->tok == '{')
1810 inner = parse_block(parser, false);
1813 *out = (ast_expression*)inner;
1818 ast_expression *exp = parse_expression(parser, false);
1822 if (!ast_istype(exp, ast_store) &&
1823 !ast_istype(exp, ast_call) &&
1824 !ast_istype(exp, ast_binstore))
1826 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
1833 static bool GMQCC_WARN parser_pop_local(parser_t *parser)
1836 parser->locals_count--;
1838 ve = &parser->locals[parser->locals_count];
1839 if (ast_istype(ve->var, ast_value) && !(((ast_value*)(ve->var))->uses)) {
1840 if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", ve->name))
1843 mem_d(parser->locals[parser->locals_count].name);
1847 static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
1849 size_t oldblocklocal;
1852 oldblocklocal = parser->blocklocal;
1853 parser->blocklocal = parser->locals_count;
1855 if (!parser_next(parser)) { /* skip the '{' */
1856 parseerror(parser, "expected function body");
1860 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1862 ast_expression *expr;
1863 if (parser->tok == '}')
1866 if (!parse_statement(parser, block, &expr)) {
1867 /* parseerror(parser, "parse error"); */
1873 if (!ast_block_exprs_add(block, expr)) {
1880 if (parser->tok != '}') {
1883 if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
1885 if (!block->exprs_count ||
1886 !ast_istype(block->exprs[block->exprs_count-1], ast_return))
1888 if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
1894 (void)parser_next(parser);
1898 while (parser->locals_count > parser->blocklocal)
1899 retval = retval && parser_pop_local(parser);
1900 parser->blocklocal = oldblocklocal;
1904 static ast_block* parse_block(parser_t *parser, bool warnreturn)
1907 block = ast_block_new(parser_ctx(parser));
1910 if (!parse_block_into(parser, block, warnreturn)) {
1911 ast_block_delete(block);
1917 static ast_expression* parse_statement_or_block(parser_t *parser)
1919 ast_expression *expr = NULL;
1920 if (parser->tok == '{')
1921 return (ast_expression*)parse_block(parser, false);
1922 if (!parse_statement(parser, NULL, &expr))
1928 static bool create_vector_members(parser_t *parser, ast_value *var, varentry_t *ve)
1931 size_t len = strlen(var->name);
1933 for (i = 0; i < 3; ++i) {
1934 ve[i].var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, i);
1938 ve[i].name = (char*)mem_a(len+3);
1940 ast_delete(ve[i].var);
1944 memcpy(ve[i].name, var->name, len);
1945 ve[i].name[len] = '_';
1946 ve[i].name[len+1] = 'x'+i;
1947 ve[i].name[len+2] = 0;
1956 ast_delete(ve[i].var);
1963 static bool parse_function_body(parser_t *parser, ast_value *var)
1965 ast_block *block = NULL;
1970 ast_expression *framenum = NULL;
1971 ast_expression *nextthink = NULL;
1972 /* None of the following have to be deleted */
1973 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
1974 ast_expression *gbl_time = NULL, *gbl_self = NULL;
1975 bool has_frame_think;
1979 has_frame_think = false;
1980 old = parser->function;
1982 if (var->expression.variadic) {
1983 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
1984 "variadic function with implementation will not be able to access additional parameters"))
1990 if (parser->tok == '[') {
1991 /* got a frame definition: [ framenum, nextthink ]
1992 * this translates to:
1993 * self.frame = framenum;
1994 * self.nextthink = time + 0.1;
1995 * self.think = nextthink;
1999 fld_think = parser_find_field(parser, "think");
2000 fld_nextthink = parser_find_field(parser, "nextthink");
2001 fld_frame = parser_find_field(parser, "frame");
2002 if (!fld_think || !fld_nextthink || !fld_frame) {
2003 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2004 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2007 gbl_time = parser_find_global(parser, "time");
2008 gbl_self = parser_find_global(parser, "self");
2009 if (!gbl_time || !gbl_self) {
2010 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2011 parseerror(parser, "please declare the following globals: `time`, `self`");
2015 if (!parser_next(parser))
2018 framenum = parse_expression_leave(parser, true);
2020 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2023 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->isconst) {
2024 ast_unref(framenum);
2025 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2029 if (parser->tok != ',') {
2030 ast_unref(framenum);
2031 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2032 parseerror(parser, "Got a %i\n", parser->tok);
2036 if (!parser_next(parser)) {
2037 ast_unref(framenum);
2041 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2043 /* qc allows the use of not-yet-declared functions here
2044 * - this automatically creates a prototype */
2046 ast_value *thinkfunc;
2047 ast_expression *functype = fld_think->expression.next;
2049 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2050 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2051 ast_unref(framenum);
2052 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2056 if (!parser_next(parser)) {
2057 ast_unref(framenum);
2058 ast_delete(thinkfunc);
2062 varent.var = (ast_expression*)thinkfunc;
2063 varent.name = util_strdup(thinkfunc->name);
2064 if (!parser_t_globals_add(parser, varent)) {
2065 ast_unref(framenum);
2066 ast_delete(thinkfunc);
2069 nextthink = (ast_expression*)thinkfunc;
2072 nextthink = parse_expression_leave(parser, true);
2074 ast_unref(framenum);
2075 parseerror(parser, "expected a think-function in [frame,think] notation");
2080 if (!ast_istype(nextthink, ast_value)) {
2081 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2085 if (retval && parser->tok != ']') {
2086 parseerror(parser, "expected closing `]` for [frame,think] notation");
2090 if (retval && !parser_next(parser)) {
2094 if (retval && parser->tok != '{') {
2095 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2100 ast_unref(nextthink);
2101 ast_unref(framenum);
2105 has_frame_think = true;
2108 block = ast_block_new(parser_ctx(parser));
2110 parseerror(parser, "failed to allocate block");
2111 if (has_frame_think) {
2112 ast_unref(nextthink);
2113 ast_unref(framenum);
2118 if (has_frame_think) {
2120 ast_expression *self_frame;
2121 ast_expression *self_nextthink;
2122 ast_expression *self_think;
2123 ast_expression *time_plus_1;
2124 ast_store *store_frame;
2125 ast_store *store_nextthink;
2126 ast_store *store_think;
2128 ctx = parser_ctx(parser);
2129 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2130 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2131 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2133 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2134 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2136 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2137 if (self_frame) ast_delete(self_frame);
2138 if (self_nextthink) ast_delete(self_nextthink);
2139 if (self_think) ast_delete(self_think);
2140 if (time_plus_1) ast_delete(time_plus_1);
2146 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2147 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2148 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2151 ast_delete(self_frame);
2154 if (!store_nextthink) {
2155 ast_delete(self_nextthink);
2159 ast_delete(self_think);
2163 if (store_frame) ast_delete(store_frame);
2164 if (store_nextthink) ast_delete(store_nextthink);
2165 if (store_think) ast_delete(store_think);
2168 if (retval && !ast_block_exprs_add(block, (ast_expression*)store_frame)) {
2169 ast_delete(store_frame);
2170 ast_delete(store_nextthink);
2171 ast_delete(store_think);
2175 if (retval && !ast_block_exprs_add(block, (ast_expression*)store_nextthink)) {
2176 ast_delete(store_nextthink);
2177 ast_delete(store_think);
2181 if (retval && !ast_block_exprs_add(block, (ast_expression*)store_think) )
2183 ast_delete(store_think);
2189 parseerror(parser, "failed to generate code for [frame,think]");
2190 ast_unref(nextthink);
2191 ast_unref(framenum);
2197 for (parami = 0; parami < var->expression.params_count; ++parami) {
2200 ast_value *param = var->expression.params[parami];
2202 if (param->expression.vtype != TYPE_VECTOR &&
2203 (param->expression.vtype != TYPE_FIELD ||
2204 param->expression.next->expression.vtype != TYPE_VECTOR))
2209 if (!create_vector_members(parser, param, ve)) {
2210 ast_block_delete(block);
2214 for (e = 0; e < 3; ++e) {
2215 if (!parser_t_locals_add(parser, ve[e]))
2217 if (!ast_block_collect(block, ve[e].var)) {
2218 parser->locals_count--;
2221 ve[e].var = NULL; /* collected */
2224 parser->locals -= e;
2229 ast_block_delete(block);
2234 func = ast_function_new(ast_ctx(var), var->name, var);
2236 parseerror(parser, "failed to allocate function for `%s`", var->name);
2237 ast_block_delete(block);
2240 if (!parser_t_functions_add(parser, func)) {
2241 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
2242 ast_block_delete(block);
2246 parser->function = func;
2247 if (!parse_block_into(parser, block, true)) {
2248 ast_block_delete(block);
2252 if (!ast_function_blocks_add(func, block)) {
2253 ast_block_delete(block);
2257 parser->function = old;
2258 while (parser->locals_count)
2259 retval = retval && parser_pop_local(parser);
2261 if (parser->tok == ';')
2262 return parser_next(parser);
2263 else if (opts_standard == COMPILER_QCC)
2264 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2268 parser->functions_count--;
2270 ast_function_delete(func);
2271 var->constval.vfunc = NULL;
2274 while (parser->locals_count) {
2275 parser->locals_count--;
2276 mem_d(parser->locals[parser->locals_count].name);
2278 parser->function = old;
2282 static ast_expression *array_accessor_split(
2287 ast_expression *left,
2288 ast_expression *right
2294 lex_ctx ctx = ast_ctx(array);
2296 if (!left || !right) {
2297 if (left) ast_delete(left);
2298 if (right) ast_delete(right);
2302 cmp = ast_binary_new(ctx, INSTR_LT,
2303 (ast_expression*)index,
2304 (ast_expression*)parser_const_float(parser, middle));
2308 parseerror(parser, "internal error: failed to create comparison for array setter");
2312 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2314 ast_delete(cmp); /* will delete left and right */
2315 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2319 return (ast_expression*)ifthen;
2322 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2324 lex_ctx ctx = ast_ctx(array);
2326 if (from+1 == afterend) {
2330 ast_array_index *subscript;
2331 int assignop = type_store_instr[value->expression.vtype];
2333 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2334 assignop = INSTR_STORE_V;
2336 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2340 ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2342 ast_delete(subscript);
2346 block = ast_block_new(ctx);
2352 if (!ast_block_exprs_add(block, (ast_expression*)st)) {
2357 ret = ast_return_new(ctx, NULL);
2363 if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
2368 return (ast_expression*)block;
2370 ast_expression *left, *right;
2371 size_t diff = afterend - from;
2372 size_t middle = from + diff/2;
2373 left = array_setter_node(parser, array, index, value, from, middle);
2374 right = array_setter_node(parser, array, index, value, middle, afterend);
2375 return array_accessor_split(parser, array, index, middle, left, right);
2379 static ast_expression *array_field_setter_node(
2388 lex_ctx ctx = ast_ctx(array);
2390 if (from+1 == afterend) {
2394 ast_entfield *entfield;
2395 ast_array_index *subscript;
2396 int assignop = type_storep_instr[value->expression.vtype];
2398 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2399 assignop = INSTR_STOREP_V;
2401 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2405 entfield = ast_entfield_new_force(ctx,
2406 (ast_expression*)entity,
2407 (ast_expression*)subscript,
2408 (ast_expression*)subscript);
2410 ast_delete(subscript);
2414 ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2416 ast_delete(entfield);
2420 block = ast_block_new(ctx);
2426 if (!ast_block_exprs_add(block, (ast_expression*)st)) {
2431 ret = ast_return_new(ctx, NULL);
2437 if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
2442 return (ast_expression*)block;
2444 ast_expression *left, *right;
2445 size_t diff = afterend - from;
2446 size_t middle = from + diff/2;
2447 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
2448 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
2449 return array_accessor_split(parser, array, index, middle, left, right);
2453 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
2455 lex_ctx ctx = ast_ctx(array);
2457 if (from+1 == afterend) {
2459 ast_array_index *subscript;
2461 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2465 ret = ast_return_new(ctx, (ast_expression*)subscript);
2467 ast_delete(subscript);
2471 return (ast_expression*)ret;
2473 ast_expression *left, *right;
2474 size_t diff = afterend - from;
2475 size_t middle = from + diff/2;
2476 left = array_getter_node(parser, array, index, from, middle);
2477 right = array_getter_node(parser, array, index, middle, afterend);
2478 return array_accessor_split(parser, array, index, middle, left, right);
2482 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
2484 ast_function *func = NULL;
2485 ast_value *fval = NULL;
2487 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
2489 parseerror(parser, "failed to create accessor function value");
2493 func = ast_function_new(ast_ctx(array), funcname, fval);
2496 parseerror(parser, "failed to create accessor function node");
2505 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
2507 ast_expression *root = NULL;
2508 ast_block *body = NULL;
2509 ast_value *index = NULL;
2510 ast_value *value = NULL;
2514 if (!ast_istype(array->expression.next, ast_value)) {
2515 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2519 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2521 func = fval->constval.vfunc;
2522 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
2524 body = ast_block_new(ast_ctx(array));
2526 parseerror(parser, "failed to create block for array accessor");
2530 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2531 value = ast_value_copy((ast_value*)array->expression.next);
2533 if (!index || !value) {
2534 parseerror(parser, "failed to create locals for array accessor");
2537 (void)!ast_value_set_name(value, "value"); /* not important */
2538 (void)!ast_expression_common_params_add(&fval->expression, index);
2539 (void)!ast_expression_common_params_add(&fval->expression, value);
2541 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
2543 parseerror(parser, "failed to build accessor search tree");
2547 (void)!ast_block_exprs_add(body, root);
2548 (void)!ast_function_blocks_add(func, body);
2549 array->setter = fval;
2552 if (body) ast_delete(body);
2553 if (index) ast_delete(index);
2554 if (value) ast_delete(value);
2555 if (root) ast_delete(root);
2561 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
2563 ast_expression *root = NULL;
2564 ast_block *body = NULL;
2565 ast_value *entity = NULL;
2566 ast_value *index = NULL;
2567 ast_value *value = NULL;
2571 if (!ast_istype(array->expression.next, ast_value)) {
2572 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2576 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2578 func = fval->constval.vfunc;
2579 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
2581 body = ast_block_new(ast_ctx(array));
2583 parseerror(parser, "failed to create block for array accessor");
2587 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
2588 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2589 value = ast_value_copy((ast_value*)array->expression.next);
2590 if (!entity || !index || !value) {
2591 parseerror(parser, "failed to create locals for array accessor");
2594 (void)!ast_value_set_name(value, "value"); /* not important */
2595 (void)!ast_expression_common_params_add(&fval->expression, entity);
2596 (void)!ast_expression_common_params_add(&fval->expression, index);
2597 (void)!ast_expression_common_params_add(&fval->expression, value);
2599 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
2601 parseerror(parser, "failed to build accessor search tree");
2605 (void)!ast_block_exprs_add(body, root);
2606 (void)!ast_function_blocks_add(func, body);
2607 array->setter = fval;
2610 if (body) ast_delete(body);
2611 if (entity) ast_delete(entity);
2612 if (index) ast_delete(index);
2613 if (value) ast_delete(value);
2614 if (root) ast_delete(root);
2620 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
2622 ast_expression *root = NULL;
2623 ast_block *body = NULL;
2624 ast_value *index = NULL;
2628 /* NOTE: checking array->expression.next rather than elemtype since
2629 * for fields elemtype is a temporary fieldtype.
2631 if (!ast_istype(array->expression.next, ast_value)) {
2632 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2636 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2638 func = fval->constval.vfunc;
2639 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
2641 body = ast_block_new(ast_ctx(array));
2643 parseerror(parser, "failed to create block for array accessor");
2647 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2650 parseerror(parser, "failed to create locals for array accessor");
2653 (void)!ast_expression_common_params_add(&fval->expression, index);
2655 root = array_getter_node(parser, array, index, 0, array->expression.count);
2657 parseerror(parser, "failed to build accessor search tree");
2661 (void)!ast_block_exprs_add(body, root);
2662 (void)!ast_function_blocks_add(func, body);
2663 array->getter = fval;
2666 if (body) ast_delete(body);
2667 if (index) ast_delete(index);
2668 if (root) ast_delete(root);
2675 MEM_VECTOR_MAKE(ast_value*, p);
2677 MEM_VEC_FUNCTIONS(paramlist_t, ast_value*, p)
2679 static ast_value *parse_typename(parser_t *parser, ast_value **storebase);
2680 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
2688 bool variadic = false;
2690 ctx = parser_ctx(parser);
2692 /* for the sake of less code we parse-in in this function */
2693 if (!parser_next(parser)) {
2694 parseerror(parser, "expected parameter list");
2698 MEM_VECTOR_INIT(¶ms, p);
2700 /* parse variables until we hit a closing paren */
2701 while (parser->tok != ')') {
2703 /* there must be commas between them */
2704 if (parser->tok != ',') {
2705 parseerror(parser, "expected comma or end of parameter list");
2708 if (!parser_next(parser)) {
2709 parseerror(parser, "expected parameter");
2715 if (parser->tok == TOKEN_DOTS) {
2716 /* '...' indicates a varargs function */
2718 if (!parser_next(parser)) {
2719 parseerror(parser, "expected parameter");
2722 if (parser->tok != ')') {
2723 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
2729 /* for anything else just parse a typename */
2730 param = parse_typename(parser, NULL);
2733 if (!paramlist_t_p_add(¶ms, param)) {
2737 if (param->expression.vtype >= TYPE_VARIANT) {
2738 char typename[1024];
2739 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
2740 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
2747 if (params.p_count > 8)
2748 parseerror(parser, "more than 8 parameters are currently not supported");
2751 if (!parser_next(parser)) {
2752 parseerror(parser, "parse error after typename");
2756 /* now turn 'var' into a function type */
2757 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
2758 fval->expression.next = (ast_expression*)var;
2759 fval->expression.variadic = variadic;
2762 MEM_VECTOR_MOVE(¶ms, p, &var->expression, params);
2768 for (i = 0; i < params.p_count; ++i)
2769 ast_delete(params.p[i]);
2770 MEM_VECTOR_CLEAR(¶ms, p);
2774 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
2776 ast_expression *cexp;
2777 ast_value *cval, *tmp;
2780 ctx = parser_ctx(parser);
2782 if (!parser_next(parser)) {
2784 parseerror(parser, "expected array-size");
2788 cexp = parse_expression_leave(parser, true);
2790 if (!cexp || !ast_istype(cexp, ast_value)) {
2794 parseerror(parser, "expected array-size as constant positive integer");
2797 cval = (ast_value*)cexp;
2799 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
2800 tmp->expression.next = (ast_expression*)var;
2803 if (cval->expression.vtype == TYPE_INTEGER)
2804 tmp->expression.count = cval->constval.vint;
2805 else if (cval->expression.vtype == TYPE_FLOAT)
2806 tmp->expression.count = cval->constval.vfloat;
2810 parseerror(parser, "array-size must be a positive integer constant");
2815 if (parser->tok != ']') {
2817 parseerror(parser, "expected ']' after array-size");
2820 if (!parser_next(parser)) {
2822 parseerror(parser, "error after parsing array size");
2828 /* Parse a complete typename.
2829 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
2830 * but when parsing variables separated by comma
2831 * 'storebase' should point to where the base-type should be kept.
2832 * The base type makes up every bit of type information which comes *before* the
2835 * The following will be parsed in its entirety:
2837 * The 'basetype' in this case is 'void()'
2838 * and if there's a comma after it, say:
2840 * then the type-information 'void()' can be stored in 'storebase'
2842 static ast_value *parse_typename(parser_t *parser, ast_value **storebase)
2844 ast_value *var, *tmp;
2847 const char *name = NULL;
2848 bool isfield = false;
2849 bool wasarray = false;
2851 ctx = parser_ctx(parser);
2853 /* types may start with a dot */
2854 if (parser->tok == '.') {
2856 /* if we parsed a dot we need a typename now */
2857 if (!parser_next(parser)) {
2858 parseerror(parser, "expected typename for field definition");
2861 if (parser->tok != TOKEN_TYPENAME) {
2862 parseerror(parser, "expected typename");
2867 /* generate the basic type value */
2868 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
2869 /* do not yet turn into a field - remember:
2870 * .void() foo; is a field too
2871 * .void()() foo; is a function
2875 if (!parser_next(parser)) {
2877 parseerror(parser, "parse error after typename");
2881 /* an opening paren now starts the parameter-list of a function
2882 * this is where original-QC has parameter lists.
2883 * We allow a single parameter list here.
2884 * Much like fteqcc we don't allow `float()() x`
2886 if (parser->tok == '(') {
2887 var = parse_parameter_list(parser, var);
2892 /* store the base if requested */
2894 *storebase = ast_value_copy(var);
2896 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
2897 tmp->expression.next = (ast_expression*)*storebase;
2902 /* there may be a name now */
2903 if (parser->tok == TOKEN_IDENT) {
2904 name = util_strdup(parser_tokval(parser));
2906 if (!parser_next(parser)) {
2908 parseerror(parser, "error after variable or field declaration");
2913 /* now this may be an array */
2914 if (parser->tok == '[') {
2916 var = parse_arraysize(parser, var);
2921 /* This is the point where we can turn it into a field */
2923 /* turn it into a field if desired */
2924 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
2925 tmp->expression.next = (ast_expression*)var;
2929 /* now there may be function parens again */
2930 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
2931 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2932 if (parser->tok == '(' && wasarray)
2933 parseerror(parser, "arrays as part of a return type is not supported");
2934 while (parser->tok == '(') {
2935 var = parse_parameter_list(parser, var);
2944 /* finally name it */
2946 if (!ast_value_set_name(var, name)) {
2948 parseerror(parser, "internal error: failed to set name");
2951 /* free the name, ast_value_set_name duplicates */
2958 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields)
2962 ast_expression *old;
2966 ast_value *basetype = NULL;
2968 bool isparam = false;
2969 bool isvector = false;
2970 bool cleanvar = true;
2971 bool wasarray = false;
2973 varentry_t varent, ve[3];
2975 /* get the first complete variable */
2976 var = parse_typename(parser, &basetype);
2979 ast_delete(basetype);
2983 memset(&varent, 0, sizeof(varent));
2984 memset(&ve, 0, sizeof(ve));
2990 /* Part 0: finish the type */
2991 if (parser->tok == '(') {
2992 if (opts_standard == COMPILER_QCC)
2993 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2994 var = parse_parameter_list(parser, var);
3000 /* we only allow 1-dimensional arrays */
3001 if (parser->tok == '[') {
3003 var = parse_arraysize(parser, var);
3009 if (parser->tok == '(' && wasarray) {
3010 parseerror(parser, "arrays as part of a return type is not supported");
3011 /* we'll still parse the type completely for now */
3013 /* for functions returning functions */
3014 while (parser->tok == '(') {
3015 if (opts_standard == COMPILER_QCC)
3016 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3017 var = parse_parameter_list(parser, var);
3025 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3026 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3027 * is then filled with the previous definition and the parameter-names replaced.
3030 /* Deal with end_sys_ vars */
3032 if (!strcmp(var->name, "end_sys_globals")) {
3033 parser->crc_globals = parser->globals_count;
3036 else if (!strcmp(var->name, "end_sys_fields")) {
3037 parser->crc_fields = parser->fields_count;
3040 if (was_end && var->expression.vtype == TYPE_FIELD) {
3041 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3042 "global '%s' hint should not be a field",
3043 parser_tokval(parser)))
3050 if (!nofields && var->expression.vtype == TYPE_FIELD)
3052 /* deal with field declarations */
3053 old = parser_find_field(parser, var->name);
3055 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3056 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3065 parseerror(parser, "field `%s` already declared here: %s:%i",
3066 var->name, ast_ctx(old).file, ast_ctx(old).line);
3071 if (opts_standard == COMPILER_QCC &&
3072 (old = parser_find_global(parser, var->name)))
3074 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3075 parseerror(parser, "field `%s` already declared here: %s:%i",
3076 var->name, ast_ctx(old).file, ast_ctx(old).line);
3083 /* deal with other globals */
3084 old = parser_find_global(parser, var->name);
3085 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3087 /* This is a function which had a prototype */
3088 if (!ast_istype(old, ast_value)) {
3089 parseerror(parser, "internal error: prototype is not an ast_value");
3093 proto = (ast_value*)old;
3094 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3095 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3097 ast_ctx(proto).file, ast_ctx(proto).line);
3101 /* we need the new parameter-names */
3102 for (i = 0; i < proto->expression.params_count; ++i)
3103 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3111 parseerror(parser, "global `%s` already declared here: %s:%i",
3112 var->name, ast_ctx(old).file, ast_ctx(old).line);
3116 if (opts_standard == COMPILER_QCC &&
3117 (old = parser_find_field(parser, var->name)))
3119 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3120 parseerror(parser, "global `%s` already declared here: %s:%i",
3121 var->name, ast_ctx(old).file, ast_ctx(old).line);
3128 else /* it's not a global */
3130 old = parser_find_local(parser, var->name, parser->blocklocal, &isparam);
3131 if (old && !isparam) {
3132 parseerror(parser, "local `%s` already declared here: %s:%i",
3133 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3137 old = parser_find_local(parser, var->name, 0, &isparam);
3138 if (old && isparam) {
3139 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3140 "local `%s` is shadowing a parameter", var->name))
3142 parseerror(parser, "local `%s` already declared here: %s:%i",
3143 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3147 if (opts_standard != COMPILER_GMQCC) {
3156 * Create the global/local, and deal with vector types.
3159 if (var->expression.vtype == TYPE_VECTOR)
3161 else if (var->expression.vtype == TYPE_FIELD &&
3162 var->expression.next->expression.vtype == TYPE_VECTOR)
3166 if (!create_vector_members(parser, var, ve)) {
3172 varent.name = util_strdup(var->name);
3173 varent.var = (ast_expression*)var;
3176 /* deal with global variables, fields, functions */
3177 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3178 if (!(retval = parser_t_fields_add(parser, varent)))
3181 for (i = 0; i < 3; ++i) {
3182 if (!(retval = parser_t_fields_add(parser, ve[i])))
3186 parser->fields_count -= i+1;
3192 if (!(retval = parser_t_globals_add(parser, varent)))
3195 for (i = 0; i < 3; ++i) {
3196 if (!(retval = parser_t_globals_add(parser, ve[i])))
3200 parser->globals_count -= i+1;
3206 if (!(retval = parser_t_locals_add(parser, varent)))
3208 if (!(retval = ast_block_locals_add(localblock, var))) {
3209 parser->locals_count--;
3213 for (i = 0; i < 3; ++i) {
3214 if (!(retval = parser_t_locals_add(parser, ve[i])))
3216 if (!(retval = ast_block_collect(localblock, ve[i].var)))
3218 ve[i].var = NULL; /* from here it's being collected in the block */
3221 parser->locals_count -= i+1;
3222 localblock->locals_count--;
3229 ve[0].name = ve[1].name = ve[2].name = NULL;
3230 ve[0].var = ve[1].var = ve[2].var = NULL;
3236 if (var->expression.vtype == TYPE_ARRAY) {
3238 snprintf(name, sizeof(name), "%s##SET", var->name);
3239 if (!parser_create_array_setter(parser, var, name))
3241 snprintf(name, sizeof(name), "%s##GET", var->name);
3242 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3245 else if (!localblock && !nofields &&
3246 var->expression.vtype == TYPE_FIELD &&
3247 var->expression.next->expression.vtype == TYPE_ARRAY)
3250 ast_expression *telem;
3252 ast_value *array = (ast_value*)var->expression.next;
3254 if (!ast_istype(var->expression.next, ast_value)) {
3255 parseerror(parser, "internal error: field element type must be an ast_value");
3259 snprintf(name, sizeof(name), "%s##SETF", var->name);
3260 if (!parser_create_array_field_setter(parser, array, name))
3263 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3264 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3265 tfield->expression.next = telem;
3266 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3267 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3275 if (parser->tok == ';') {
3276 ast_delete(basetype);
3277 if (!parser_next(parser)) {
3278 parseerror(parser, "error after variable declaration");
3284 if (parser->tok == ',')
3287 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3288 parseerror(parser, "missing comma or semicolon while parsing variables");
3292 if (localblock && opts_standard == COMPILER_QCC) {
3293 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3294 "initializing expression turns variable `%s` into a constant in this standard",
3301 if (parser->tok != '{') {
3302 if (parser->tok != '=') {
3303 parseerror(parser, "missing semicolon or initializer");
3307 if (!parser_next(parser)) {
3308 parseerror(parser, "error parsing initializer");
3312 else if (opts_standard == COMPILER_QCC) {
3313 parseerror(parser, "expected '=' before function body in this standard");
3316 if (parser->tok == '#') {
3320 parseerror(parser, "cannot declare builtins within functions");
3323 if (var->expression.vtype != TYPE_FUNCTION) {
3324 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3327 if (!parser_next(parser)) {
3328 parseerror(parser, "expected builtin number");
3331 if (parser->tok != TOKEN_INTCONST) {
3332 parseerror(parser, "builtin number must be an integer constant");
3335 if (parser_token(parser)->constval.i <= 0) {
3336 parseerror(parser, "builtin number must be an integer greater than zero");
3340 func = ast_function_new(ast_ctx(var), var->name, var);
3342 parseerror(parser, "failed to allocate function for `%s`", var->name);
3345 if (!parser_t_functions_add(parser, func)) {
3346 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
3347 ast_function_delete(func);
3348 var->constval.vfunc = NULL;
3352 func->builtin = -parser_token(parser)->constval.i;
3354 if (!parser_next(parser)) {
3355 parseerror(parser, "expected comma or semicolon");
3356 ast_function_delete(func);
3357 var->constval.vfunc = NULL;
3361 else if (parser->tok == '{' || parser->tok == '[')
3364 parseerror(parser, "cannot declare functions within functions");
3368 if (!parse_function_body(parser, var))
3370 ast_delete(basetype);
3373 ast_expression *cexp;
3376 cexp = parse_expression_leave(parser, true);
3381 cval = (ast_value*)cexp;
3382 if (!ast_istype(cval, ast_value) || !cval->isconst)
3383 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
3386 var->isconst = true;
3387 if (cval->expression.vtype == TYPE_STRING)
3388 var->constval.vstring = parser_strdup(cval->constval.vstring);
3390 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
3395 MEM_VECTOR_INIT(&sy, out);
3396 MEM_VECTOR_INIT(&sy, ops);
3397 if (!shunt_out_add(&sy, syexp(ast_ctx(var), (ast_expression*)var)) ||
3398 !shunt_out_add(&sy, syexp(ast_ctx(cexp), (ast_expression*)cexp)) ||
3399 !shunt_ops_add(&sy, syop(ast_ctx(var), parser->assign_op)))
3401 parseerror(parser, "internal error: failed to prepare initializer");
3404 else if (!parser_sy_pop(parser, &sy))
3407 if (sy.out_count != 1 && sy.ops_count != 0)
3408 parseerror(parser, "internal error: leaked operands");
3409 else if (!ast_block_exprs_add(localblock, (ast_expression*)sy.out[0].out)) {
3410 parseerror(parser, "failed to create intializing expression");
3411 ast_unref(sy.out[0].out);
3415 MEM_VECTOR_CLEAR(&sy, out);
3416 MEM_VECTOR_CLEAR(&sy, ops);
3421 if (parser->tok == ',') {
3422 if (!parser_next(parser)) {
3423 parseerror(parser, "expected another variable");
3427 if (parser->tok != TOKEN_IDENT) {
3428 parseerror(parser, "expected another variable");
3431 var = ast_value_copy(basetype);
3433 ast_value_set_name(var, parser_tokval(parser));
3434 if (!parser_next(parser)) {
3435 parseerror(parser, "error parsing variable declaration");
3441 if (parser->tok != ';') {
3442 parseerror(parser, "missing semicolon after variables");
3446 if (!parser_next(parser)) {
3447 parseerror(parser, "parse error after variable declaration");
3451 ast_delete(basetype);
3455 if (cleanvar && var)
3457 ast_delete(basetype);
3461 ast_delete(basetype);
3462 if (cleanvar && var)
3464 if (varent.name) mem_d(varent.name);
3465 if (ve[0].name) mem_d(ve[0].name);
3466 if (ve[1].name) mem_d(ve[1].name);
3467 if (ve[2].name) mem_d(ve[2].name);
3468 if (ve[0].var) mem_d(ve[0].var);
3469 if (ve[1].var) mem_d(ve[1].var);
3470 if (ve[2].var) mem_d(ve[2].var);
3474 static bool parser_global_statement(parser_t *parser)
3476 if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
3478 return parse_variable(parser, NULL, false);
3480 else if (parser->tok == TOKEN_KEYWORD)
3482 /* handle 'var' and 'const' */
3483 if (!strcmp(parser_tokval(parser), "var")) {
3484 if (!parser_next(parser)) {
3485 parseerror(parser, "expected variable declaration after 'var'");
3488 return parse_variable(parser, NULL, true);
3492 else if (parser->tok == '$')
3494 if (!parser_next(parser)) {
3495 parseerror(parser, "parse error");
3501 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
3507 static parser_t *parser;
3512 parser = (parser_t*)mem_a(sizeof(parser_t));
3516 memset(parser, 0, sizeof(*parser));
3518 for (i = 0; i < operator_count; ++i) {
3519 if (operators[i].id == opid1('=')) {
3520 parser->assign_op = operators+i;
3524 if (!parser->assign_op) {
3525 printf("internal error: initializing parser: failed to find assign operator\n");
3532 bool parser_compile(const char *filename)
3534 parser->lex = lex_open(filename);
3536 printf("failed to open file \"%s\"\n", filename);
3540 /* initial lexer/parser state */
3541 parser->lex->flags.noops = true;
3543 if (parser_next(parser))
3545 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
3547 if (!parser_global_statement(parser)) {
3548 if (parser->tok == TOKEN_EOF)
3549 parseerror(parser, "unexpected eof");
3550 else if (!parser->errors)
3551 parseerror(parser, "there have been errors, bailing out");
3552 lex_close(parser->lex);
3558 parseerror(parser, "parse error");
3559 lex_close(parser->lex);
3564 lex_close(parser->lex);
3567 return !parser->errors;
3570 void parser_cleanup()
3573 for (i = 0; i < parser->functions_count; ++i) {
3574 ast_delete(parser->functions[i]);
3576 for (i = 0; i < parser->imm_vector_count; ++i) {
3577 ast_delete(parser->imm_vector[i]);
3579 for (i = 0; i < parser->imm_string_count; ++i) {
3580 ast_delete(parser->imm_string[i]);
3582 for (i = 0; i < parser->imm_float_count; ++i) {
3583 ast_delete(parser->imm_float[i]);
3585 for (i = 0; i < parser->fields_count; ++i) {
3586 ast_delete(parser->fields[i].var);
3587 mem_d(parser->fields[i].name);
3589 for (i = 0; i < parser->globals_count; ++i) {
3590 ast_delete(parser->globals[i].var);
3591 mem_d(parser->globals[i].name);
3593 MEM_VECTOR_CLEAR(parser, functions);
3594 MEM_VECTOR_CLEAR(parser, imm_vector);
3595 MEM_VECTOR_CLEAR(parser, imm_string);
3596 MEM_VECTOR_CLEAR(parser, imm_float);
3597 MEM_VECTOR_CLEAR(parser, globals);
3598 MEM_VECTOR_CLEAR(parser, fields);
3599 MEM_VECTOR_CLEAR(parser, locals);
3604 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
3606 return util_crc16(old, str, strlen(str));
3609 static void progdefs_crc_file(const char *str)
3611 /* write to progdefs.h here */
3614 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
3616 old = progdefs_crc_sum(old, str);
3617 progdefs_crc_file(str);
3621 static void generate_checksum(parser_t *parser)
3623 uint16_t crc = 0xFFFF;
3626 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
3627 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
3629 progdefs_crc_file("\tint\tpad;\n");
3630 progdefs_crc_file("\tint\tofs_return[3];\n");
3631 progdefs_crc_file("\tint\tofs_parm0[3];\n");
3632 progdefs_crc_file("\tint\tofs_parm1[3];\n");
3633 progdefs_crc_file("\tint\tofs_parm2[3];\n");
3634 progdefs_crc_file("\tint\tofs_parm3[3];\n");
3635 progdefs_crc_file("\tint\tofs_parm4[3];\n");
3636 progdefs_crc_file("\tint\tofs_parm5[3];\n");
3637 progdefs_crc_file("\tint\tofs_parm6[3];\n");
3638 progdefs_crc_file("\tint\tofs_parm7[3];\n");
3640 for (i = 0; i < parser->crc_globals; ++i) {
3641 if (!ast_istype(parser->globals[i].var, ast_value))
3643 switch (parser->globals[i].var->expression.vtype) {
3644 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
3645 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
3646 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
3647 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
3649 crc = progdefs_crc_both(crc, "\tint\t");
3652 crc = progdefs_crc_both(crc, parser->globals[i].name);
3653 crc = progdefs_crc_both(crc, ";\n");
3655 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
3656 for (i = 0; i < parser->crc_fields; ++i) {
3657 if (!ast_istype(parser->fields[i].var, ast_value))
3659 switch (parser->fields[i].var->expression.next->expression.vtype) {
3660 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
3661 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
3662 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
3663 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
3665 crc = progdefs_crc_both(crc, "\tint\t");
3668 crc = progdefs_crc_both(crc, parser->fields[i].name);
3669 crc = progdefs_crc_both(crc, ";\n");
3671 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
3676 bool parser_finish(const char *output)
3682 if (!parser->errors)
3684 ir = ir_builder_new("gmqcc_out");
3686 printf("failed to allocate builder\n");
3690 for (i = 0; i < parser->fields_count; ++i) {
3693 if (!ast_istype(parser->fields[i].var, ast_value))
3695 field = (ast_value*)parser->fields[i].var;
3696 isconst = field->isconst;
3697 field->isconst = false;
3698 if (!ast_global_codegen((ast_value*)field, ir, true)) {
3699 printf("failed to generate field %s\n", field->name);
3700 ir_builder_delete(ir);
3705 ast_expression *subtype;
3706 field->isconst = true;
3707 subtype = field->expression.next;
3708 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
3709 if (subtype->expression.vtype == TYPE_FIELD)
3710 ifld->fieldtype = subtype->expression.next->expression.vtype;
3711 else if (subtype->expression.vtype == TYPE_FUNCTION)
3712 ifld->outtype = subtype->expression.next->expression.vtype;
3713 (void)!ir_value_set_field(field->ir_v, ifld);
3716 for (i = 0; i < parser->globals_count; ++i) {
3718 if (!ast_istype(parser->globals[i].var, ast_value))
3720 asvalue = (ast_value*)(parser->globals[i].var);
3721 if (!asvalue->uses && !asvalue->isconst && asvalue->expression.vtype != TYPE_FUNCTION) {
3722 if (strcmp(asvalue->name, "end_sys_globals") &&
3723 strcmp(asvalue->name, "end_sys_fields"))
3725 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
3726 "unused global: `%s`", asvalue->name);
3729 if (!ast_global_codegen(asvalue, ir, false)) {
3730 printf("failed to generate global %s\n", parser->globals[i].name);
3731 ir_builder_delete(ir);
3735 for (i = 0; i < parser->imm_float_count; ++i) {
3736 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
3737 printf("failed to generate global %s\n", parser->imm_float[i]->name);
3738 ir_builder_delete(ir);
3742 for (i = 0; i < parser->imm_string_count; ++i) {
3743 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
3744 printf("failed to generate global %s\n", parser->imm_string[i]->name);
3745 ir_builder_delete(ir);
3749 for (i = 0; i < parser->imm_vector_count; ++i) {
3750 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
3751 printf("failed to generate global %s\n", parser->imm_vector[i]->name);
3752 ir_builder_delete(ir);
3756 for (i = 0; i < parser->globals_count; ++i) {
3758 if (!ast_istype(parser->globals[i].var, ast_value))
3760 asvalue = (ast_value*)(parser->globals[i].var);
3761 if (asvalue->setter) {
3762 if (!ast_global_codegen(asvalue->setter, ir, false) ||
3763 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
3764 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
3766 printf("failed to generate setter for %s\n", parser->globals[i].name);
3767 ir_builder_delete(ir);
3771 if (asvalue->getter) {
3772 if (!ast_global_codegen(asvalue->getter, ir, false) ||
3773 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
3774 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
3776 printf("failed to generate getter for %s\n", parser->globals[i].name);
3777 ir_builder_delete(ir);
3782 for (i = 0; i < parser->fields_count; ++i) {
3784 asvalue = (ast_value*)(parser->fields[i].var->expression.next);
3786 if (!ast_istype((ast_expression*)asvalue, ast_value))
3788 if (asvalue->expression.vtype != TYPE_ARRAY)
3790 if (asvalue->setter) {
3791 if (!ast_global_codegen(asvalue->setter, ir, false) ||
3792 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
3793 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
3795 printf("failed to generate setter for %s\n", parser->fields[i].name);
3796 ir_builder_delete(ir);
3800 if (asvalue->getter) {
3801 if (!ast_global_codegen(asvalue->getter, ir, false) ||
3802 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
3803 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
3805 printf("failed to generate getter for %s\n", parser->fields[i].name);
3806 ir_builder_delete(ir);
3811 for (i = 0; i < parser->functions_count; ++i) {
3812 if (!ast_function_codegen(parser->functions[i], ir)) {
3813 printf("failed to generate function %s\n", parser->functions[i]->name);
3814 ir_builder_delete(ir);
3817 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
3818 printf("failed to finalize function %s\n", parser->functions[i]->name);
3819 ir_builder_delete(ir);
3826 ir_builder_dump(ir, printf);
3828 generate_checksum(parser);
3830 if (!ir_builder_generate(ir, output)) {
3831 printf("*** failed to generate output file\n");
3832 ir_builder_delete(ir);
3837 ir_builder_delete(ir);
3841 printf("*** there were compile errors\n");