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\n"
525 " -> this is an extension from -std=gmqcc");
532 if (!ast_block_exprs_add(blocks[0], exprs[1]))
535 blocks[0] = ast_block_new(ctx);
536 if (!ast_block_exprs_add(blocks[0], exprs[0]) ||
537 !ast_block_exprs_add(blocks[0], exprs[1]))
542 if (!ast_block_set_type(blocks[0], exprs[1]))
545 sy->out[sy->out_count++] = syblock(ctx, blocks[0]);
549 switch (exprs[0]->expression.vtype) {
551 if (CanConstFold1(exprs[0]))
552 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
554 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
555 (ast_expression*)parser_const_float_0(parser),
559 if (CanConstFold1(exprs[0]))
560 out = (ast_expression*)parser_const_vector_f(parser,
561 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
563 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
564 (ast_expression*)parser_const_vector_0(parser),
568 parseerror(parser, "invalid types used in expression: cannot negate type %s",
569 type_name[exprs[0]->expression.vtype]);
575 switch (exprs[0]->expression.vtype) {
577 if (CanConstFold1(exprs[0]))
578 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
580 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
583 if (CanConstFold1(exprs[0]))
584 out = (ast_expression*)parser_const_float(parser,
585 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
587 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
590 if (CanConstFold1(exprs[0]))
591 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
593 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
595 /* we don't constant-fold NOT for these types */
597 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
600 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
603 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
604 type_name[exprs[0]->expression.vtype]);
610 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
611 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
613 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
614 type_name[exprs[0]->expression.vtype],
615 type_name[exprs[1]->expression.vtype]);
618 switch (exprs[0]->expression.vtype) {
620 if (CanConstFold(exprs[0], exprs[1]))
622 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
625 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
628 if (CanConstFold(exprs[0], exprs[1]))
629 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
631 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
634 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
635 type_name[exprs[0]->expression.vtype],
636 type_name[exprs[1]->expression.vtype]);
641 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
642 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
644 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
645 type_name[exprs[1]->expression.vtype],
646 type_name[exprs[0]->expression.vtype]);
649 switch (exprs[0]->expression.vtype) {
651 if (CanConstFold(exprs[0], exprs[1]))
652 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
654 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
657 if (CanConstFold(exprs[0], exprs[1]))
658 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
660 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
663 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
664 type_name[exprs[1]->expression.vtype],
665 type_name[exprs[0]->expression.vtype]);
670 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
671 exprs[0]->expression.vtype != TYPE_VECTOR &&
672 exprs[0]->expression.vtype != TYPE_FLOAT &&
673 exprs[1]->expression.vtype != TYPE_VECTOR &&
674 exprs[1]->expression.vtype != TYPE_FLOAT)
676 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
677 type_name[exprs[1]->expression.vtype],
678 type_name[exprs[0]->expression.vtype]);
681 switch (exprs[0]->expression.vtype) {
683 if (exprs[1]->expression.vtype == TYPE_VECTOR)
685 if (CanConstFold(exprs[0], exprs[1]))
686 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
688 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
692 if (CanConstFold(exprs[0], exprs[1]))
693 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
695 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
699 if (exprs[1]->expression.vtype == TYPE_FLOAT)
701 if (CanConstFold(exprs[0], exprs[1]))
702 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
704 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
708 if (CanConstFold(exprs[0], exprs[1]))
709 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
711 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
715 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
716 type_name[exprs[1]->expression.vtype],
717 type_name[exprs[0]->expression.vtype]);
722 if (NotSameType(TYPE_FLOAT)) {
723 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
724 type_name[exprs[0]->expression.vtype],
725 type_name[exprs[1]->expression.vtype]);
728 if (CanConstFold(exprs[0], exprs[1]))
729 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
731 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
735 parseerror(parser, "qc does not have a modulo operator");
739 if (NotSameType(TYPE_FLOAT)) {
740 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
741 type_name[exprs[0]->expression.vtype],
742 type_name[exprs[1]->expression.vtype]);
745 if (CanConstFold(exprs[0], exprs[1]))
746 out = (ast_expression*)parser_const_float(parser,
747 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
748 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
750 out = (ast_expression*)ast_binary_new(ctx,
751 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
755 parseerror(parser, "TODO: bitxor");
760 case opid3('<','<','='):
761 case opid3('>','>','='):
762 parseerror(parser, "TODO: shifts");
766 generated_op += 1; /* INSTR_OR */
768 generated_op += INSTR_AND;
769 if (NotSameType(TYPE_FLOAT)) {
770 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
771 type_name[exprs[0]->expression.vtype],
772 type_name[exprs[1]->expression.vtype]);
773 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
774 parseerror(parser, "TODO: optional early out");
777 if (opts_standard == COMPILER_GMQCC)
778 printf("TODO: early out logic\n");
779 if (CanConstFold(exprs[0], exprs[1]))
780 out = (ast_expression*)parser_const_float(parser,
781 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
783 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
787 generated_op += 1; /* INSTR_GT */
789 generated_op += 1; /* INSTR_LT */
790 case opid2('>', '='):
791 generated_op += 1; /* INSTR_GE */
792 case opid2('<', '='):
793 generated_op += INSTR_LE;
794 if (NotSameType(TYPE_FLOAT)) {
795 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
796 type_name[exprs[0]->expression.vtype],
797 type_name[exprs[1]->expression.vtype]);
800 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
802 case opid2('!', '='):
803 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
804 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
805 type_name[exprs[0]->expression.vtype],
806 type_name[exprs[1]->expression.vtype]);
809 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
811 case opid2('=', '='):
812 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
813 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
814 type_name[exprs[0]->expression.vtype],
815 type_name[exprs[1]->expression.vtype]);
818 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
822 if (ast_istype(exprs[0], ast_entfield)) {
823 ast_expression *field = ((ast_entfield*)exprs[0])->field;
824 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
825 exprs[0]->expression.vtype == TYPE_FIELD &&
826 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
828 assignop = type_storep_instr[TYPE_VECTOR];
831 assignop = type_storep_instr[exprs[0]->expression.vtype];
832 if (!ast_compare_type(field->expression.next, exprs[1])) {
833 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
834 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
835 if (opts_standard == COMPILER_QCC &&
836 field->expression.next->expression.vtype == TYPE_FUNCTION &&
837 exprs[1]->expression.vtype == TYPE_FUNCTION)
839 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
840 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
846 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
851 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
852 exprs[0]->expression.vtype == TYPE_FIELD &&
853 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
855 assignop = type_store_instr[TYPE_VECTOR];
858 assignop = type_store_instr[exprs[0]->expression.vtype];
861 if (assignop == AINSTR_END) {
862 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
863 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
864 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
866 else if (!ast_compare_type(exprs[0], exprs[1])) {
867 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
868 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
869 if (opts_standard == COMPILER_QCC &&
870 exprs[0]->expression.vtype == TYPE_FUNCTION &&
871 exprs[1]->expression.vtype == TYPE_FUNCTION)
873 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
874 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
880 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
883 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
887 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
888 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
890 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
891 type_name[exprs[0]->expression.vtype],
892 type_name[exprs[1]->expression.vtype]);
895 if (ast_istype(exprs[0], ast_entfield))
896 assignop = type_storep_instr[exprs[0]->expression.vtype];
898 assignop = type_store_instr[exprs[0]->expression.vtype];
899 switch (exprs[0]->expression.vtype) {
901 out = (ast_expression*)ast_binstore_new(ctx, assignop,
902 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
906 out = (ast_expression*)ast_binstore_new(ctx, assignop,
907 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
911 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
912 type_name[exprs[0]->expression.vtype],
913 type_name[exprs[1]->expression.vtype]);
921 parseerror(parser, "failed to apply operand %s", op->op);
925 DEBUGSHUNTDO(printf("applied %s\n", op->op));
926 sy->out[sy->out_count++] = syexp(ctx, out);
930 static bool parser_close_call(parser_t *parser, shunt *sy)
932 /* was a function call */
940 fid = sy->ops[sy->ops_count].off;
942 /* out[fid] is the function
943 * everything above is parameters...
945 * 1 params = ast_expression
949 if (sy->out_count < 1 || sy->out_count <= fid) {
950 parseerror(parser, "internal error: function call needs function and parameter list...");
954 fun = sy->out[fid].out;
956 call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
958 parseerror(parser, "out of memory");
962 if (fid+1 == sy->out_count) {
965 } else if (fid+2 == sy->out_count) {
968 params = sy->out[sy->out_count].block;
972 if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
973 ast_delete(sy->out[sy->out_count].out);
974 parseerror(parser, "out of memory");
978 paramcount = params->exprs_count;
979 MEM_VECTOR_MOVE(params, exprs, call, params);
982 if (!ast_call_check_types(call))
985 parseerror(parser, "invalid function call");
989 /* overwrite fid, the function, with a call */
990 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
992 if (fun->expression.vtype != TYPE_FUNCTION) {
993 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
997 if (!fun->expression.next) {
998 parseerror(parser, "could not determine function return type");
1001 if (fun->expression.params_count != paramcount &&
1002 !(fun->expression.variadic &&
1003 fun->expression.params_count < paramcount))
1006 const char *fewmany = (fun->expression.params_count > paramcount) ? "few" : "many";
1008 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
1009 if (opts_standard == COMPILER_GMQCC)
1012 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
1013 " -> `%s` has been declared here: %s:%i",
1014 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1015 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1017 parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
1018 " -> `%s` has been declared here: %s:%i",
1019 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1020 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1026 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1027 "too %s parameters for call to %s: expected %i, got %i\n"
1028 " -> `%s` has been declared here: %s:%i",
1029 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1030 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1032 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1033 "too %s parameters for function call: expected %i, got %i\n"
1034 " -> `%s` has been declared here: %s:%i",
1035 fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
1036 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1044 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1046 if (!sy->ops_count) {
1047 parseerror(parser, "unmatched closing paren");
1050 /* this would for bit a + (x) because there are no operators inside (x)
1051 if (sy->ops[sy->ops_count-1].paren == 1) {
1052 parseerror(parser, "empty parenthesis expression");
1056 while (sy->ops_count) {
1057 if (sy->ops[sy->ops_count-1].paren == SY_PAREN_FUNC) {
1058 if (!parser_close_call(parser, sy))
1062 if (sy->ops[sy->ops_count-1].paren == SY_PAREN_EXPR) {
1064 return !functions_only;
1066 if (sy->ops[sy->ops_count-1].paren == SY_PAREN_INDEX) {
1069 /* pop off the parenthesis */
1071 /* then apply the index operator */
1072 if (!parser_sy_pop(parser, sy))
1076 if (!parser_sy_pop(parser, sy))
1082 static void parser_reclassify_token(parser_t *parser)
1085 for (i = 0; i < operator_count; ++i) {
1086 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1087 parser->tok = TOKEN_OPERATOR;
1093 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma)
1095 ast_expression *expr = NULL;
1097 bool wantop = false;
1098 bool gotmemberof = false;
1100 /* count the parens because an if starts with one, so the
1101 * end of a condition is an unmatched closing paren
1105 MEM_VECTOR_INIT(&sy, out);
1106 MEM_VECTOR_INIT(&sy, ops);
1108 parser->lex->flags.noops = false;
1110 parser_reclassify_token(parser);
1115 gotmemberof = false;
1117 parser->memberof = 0;
1119 if (parser->tok == TOKEN_IDENT)
1121 ast_expression *var;
1123 parseerror(parser, "expected operator or end of statement");
1128 if (opts_standard == COMPILER_GMQCC)
1130 if (parser->memberof == TYPE_ENTITY) {
1131 /* still get vars first since there could be a fieldpointer */
1132 var = parser_find_var(parser, parser_tokval(parser));
1134 var = parser_find_field(parser, parser_tokval(parser));
1136 else if (parser->memberof == TYPE_VECTOR)
1138 parseerror(parser, "TODO: implement effective vector member access");
1141 else if (parser->memberof) {
1142 parseerror(parser, "namespace for member not found");
1146 var = parser_find_var(parser, parser_tokval(parser));
1148 var = parser_find_var(parser, parser_tokval(parser));
1150 var = parser_find_field(parser, parser_tokval(parser));
1153 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1156 if (ast_istype(var, ast_value))
1157 ((ast_value*)var)->uses++;
1158 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
1159 parseerror(parser, "out of memory");
1162 DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
1164 else if (parser->tok == TOKEN_FLOATCONST) {
1167 parseerror(parser, "expected operator or end of statement, got constant");
1171 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1174 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1175 parseerror(parser, "out of memory");
1178 DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
1180 else if (parser->tok == TOKEN_INTCONST) {
1183 parseerror(parser, "expected operator or end of statement, got constant");
1187 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1190 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1191 parseerror(parser, "out of memory");
1194 DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
1196 else if (parser->tok == TOKEN_STRINGCONST) {
1199 parseerror(parser, "expected operator or end of statement, got constant");
1203 val = parser_const_string(parser, parser_tokval(parser));
1206 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1207 parseerror(parser, "out of memory");
1210 DEBUGSHUNTDO(printf("push string\n"));
1212 else if (parser->tok == TOKEN_VECTORCONST) {
1215 parseerror(parser, "expected operator or end of statement, got constant");
1219 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1222 if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
1223 parseerror(parser, "out of memory");
1226 DEBUGSHUNTDO(printf("push '%g %g %g'\n",
1227 parser_token(parser)->constval.v.x,
1228 parser_token(parser)->constval.v.y,
1229 parser_token(parser)->constval.v.z));
1231 else if (parser->tok == '(') {
1232 parseerror(parser, "internal error: '(' should be classified as operator");
1235 else if (parser->tok == '[') {
1236 parseerror(parser, "internal error: '[' should be classified as operator");
1239 else if (parser->tok == ')') {
1241 DEBUGSHUNTDO(printf("do[op] )\n"));
1245 /* we do expect an operator next */
1246 /* closing an opening paren */
1247 if (!parser_close_paren(parser, &sy, false))
1250 DEBUGSHUNTDO(printf("do[nop] )\n"));
1254 /* allowed for function calls */
1255 if (!parser_close_paren(parser, &sy, true))
1260 else if (parser->tok == ']') {
1262 parseerror(parser, "operand expected");
1266 if (!parser_close_paren(parser, &sy, false))
1270 else if (parser->tok != TOKEN_OPERATOR) {
1272 parseerror(parser, "expected operator or end of statement");
1279 /* classify the operator */
1280 /* TODO: suffix operators */
1281 const oper_info *op;
1282 const oper_info *olast = NULL;
1284 for (o = 0; o < operator_count; ++o) {
1285 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1286 !(operators[o].flags & OP_SUFFIX) && /* remove this */
1287 !strcmp(parser_tokval(parser), operators[o].op))
1292 if (o == operator_count) {
1293 /* no operator found... must be the end of the statement */
1296 /* found an operator */
1299 /* when declaring variables, a comma starts a new variable */
1300 if (op->id == opid1(',') && !parens && stopatcomma) {
1301 /* fixup the token */
1306 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1307 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1310 (op->prec < olast->prec) ||
1311 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1313 if (!parser_sy_pop(parser, &sy))
1315 if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
1316 olast = &operators[sy.ops[sy.ops_count-1].etype-1];
1321 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1322 /* for gmqcc standard: open up the namespace of the previous type */
1323 ast_expression *prevex = sy.out[sy.out_count-1].out;
1325 parseerror(parser, "unexpected member operator");
1328 if (prevex->expression.vtype == TYPE_ENTITY)
1329 parser->memberof = TYPE_ENTITY;
1330 else if (prevex->expression.vtype == TYPE_VECTOR)
1331 parser->memberof = TYPE_VECTOR;
1333 parseerror(parser, "type error: type has no members");
1339 if (op->id == opid1('(')) {
1341 DEBUGSHUNTDO(printf("push [op] (\n"));
1343 /* we expected an operator, this is the function-call operator */
1344 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_FUNC, sy.out_count-1))) {
1345 parseerror(parser, "out of memory");
1350 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0))) {
1351 parseerror(parser, "out of memory");
1354 DEBUGSHUNTDO(printf("push [nop] (\n"));
1357 } else if (op->id == opid1('[')) {
1359 parseerror(parser, "unexpected array subscript");
1363 /* push both the operator and the paren, this makes life easier */
1364 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
1366 if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0)))
1370 DEBUGSHUNTDO(printf("push operator %s\n", op->op));
1371 if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
1376 if (!parser_next(parser)) {
1379 if (parser->tok == ';' || (!parens && parser->tok == ']')) {
1384 while (sy.ops_count) {
1385 if (!parser_sy_pop(parser, &sy))
1389 parser->lex->flags.noops = true;
1390 if (!sy.out_count) {
1391 parseerror(parser, "empty expression");
1394 expr = sy.out[0].out;
1395 MEM_VECTOR_CLEAR(&sy, out);
1396 MEM_VECTOR_CLEAR(&sy, ops);
1397 DEBUGSHUNTDO(printf("shunt done\n"));
1401 parser->lex->flags.noops = true;
1402 MEM_VECTOR_CLEAR(&sy, out);
1403 MEM_VECTOR_CLEAR(&sy, ops);
1407 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma)
1409 ast_expression *e = parse_expression_leave(parser, stopatcomma);
1412 if (!parser_next(parser)) {
1419 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1422 ast_expression *cond, *ontrue, *onfalse = NULL;
1424 lex_ctx ctx = parser_ctx(parser);
1426 /* skip the 'if' and check for opening paren */
1427 if (!parser_next(parser) || parser->tok != '(') {
1428 parseerror(parser, "expected 'if' condition in parenthesis");
1431 /* parse into the expression */
1432 if (!parser_next(parser)) {
1433 parseerror(parser, "expected 'if' condition after opening paren");
1436 /* parse the condition */
1437 cond = parse_expression_leave(parser, false);
1441 if (parser->tok != ')') {
1442 parseerror(parser, "expected closing paren after 'if' condition");
1446 /* parse into the 'then' branch */
1447 if (!parser_next(parser)) {
1448 parseerror(parser, "expected statement for on-true branch of 'if'");
1452 ontrue = parse_statement_or_block(parser);
1457 /* check for an else */
1458 if (!strcmp(parser_tokval(parser), "else")) {
1459 /* parse into the 'else' branch */
1460 if (!parser_next(parser)) {
1461 parseerror(parser, "expected on-false branch after 'else'");
1466 onfalse = parse_statement_or_block(parser);
1474 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1475 *out = (ast_expression*)ifthen;
1479 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1482 ast_expression *cond, *ontrue;
1484 lex_ctx ctx = parser_ctx(parser);
1486 /* skip the 'while' and check for opening paren */
1487 if (!parser_next(parser) || parser->tok != '(') {
1488 parseerror(parser, "expected 'while' condition in parenthesis");
1491 /* parse into the expression */
1492 if (!parser_next(parser)) {
1493 parseerror(parser, "expected 'while' condition after opening paren");
1496 /* parse the condition */
1497 cond = parse_expression_leave(parser, false);
1501 if (parser->tok != ')') {
1502 parseerror(parser, "expected closing paren after 'while' condition");
1506 /* parse into the 'then' branch */
1507 if (!parser_next(parser)) {
1508 parseerror(parser, "expected while-loop body");
1512 ontrue = parse_statement_or_block(parser);
1518 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1519 *out = (ast_expression*)aloop;
1523 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1526 ast_expression *cond, *ontrue;
1528 lex_ctx ctx = parser_ctx(parser);
1530 /* skip the 'do' and get the body */
1531 if (!parser_next(parser)) {
1532 parseerror(parser, "expected loop body");
1535 ontrue = parse_statement_or_block(parser);
1539 /* expect the "while" */
1540 if (parser->tok != TOKEN_KEYWORD ||
1541 strcmp(parser_tokval(parser), "while"))
1543 parseerror(parser, "expected 'while' and condition");
1548 /* skip the 'while' and check for opening paren */
1549 if (!parser_next(parser) || parser->tok != '(') {
1550 parseerror(parser, "expected 'while' condition in parenthesis");
1554 /* parse into the expression */
1555 if (!parser_next(parser)) {
1556 parseerror(parser, "expected 'while' condition after opening paren");
1560 /* parse the condition */
1561 cond = parse_expression_leave(parser, false);
1565 if (parser->tok != ')') {
1566 parseerror(parser, "expected closing paren after 'while' condition");
1572 if (!parser_next(parser) || parser->tok != ';') {
1573 parseerror(parser, "expected semicolon after condition");
1579 if (!parser_next(parser)) {
1580 parseerror(parser, "parse error");
1586 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1587 *out = (ast_expression*)aloop;
1591 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1594 ast_expression *initexpr, *cond, *increment, *ontrue;
1595 size_t oldblocklocal;
1598 lex_ctx ctx = parser_ctx(parser);
1600 oldblocklocal = parser->blocklocal;
1601 parser->blocklocal = parser->locals_count;
1608 /* skip the 'while' and check for opening paren */
1609 if (!parser_next(parser) || parser->tok != '(') {
1610 parseerror(parser, "expected 'for' expressions in parenthesis");
1613 /* parse into the expression */
1614 if (!parser_next(parser)) {
1615 parseerror(parser, "expected 'for' initializer after opening paren");
1619 if (parser->tok == TOKEN_TYPENAME) {
1620 if (opts_standard != COMPILER_GMQCC) {
1621 if (parsewarning(parser, WARN_EXTENSIONS,
1622 "current standard does not allow variable declarations in for-loop initializers"))
1626 parseerror(parser, "TODO: assignment of new variables to be non-const");
1628 if (!parse_variable(parser, block, true))
1631 else if (parser->tok != ';')
1633 initexpr = parse_expression_leave(parser, false);
1638 /* move on to condition */
1639 if (parser->tok != ';') {
1640 parseerror(parser, "expected semicolon after for-loop initializer");
1643 if (!parser_next(parser)) {
1644 parseerror(parser, "expected for-loop condition");
1648 /* parse the condition */
1649 if (parser->tok != ';') {
1650 cond = parse_expression_leave(parser, false);
1655 /* move on to incrementor */
1656 if (parser->tok != ';') {
1657 parseerror(parser, "expected semicolon after for-loop initializer");
1660 if (!parser_next(parser)) {
1661 parseerror(parser, "expected for-loop condition");
1665 /* parse the incrementor */
1666 if (parser->tok != ')') {
1667 increment = parse_expression_leave(parser, false);
1670 if (!ast_istype(increment, ast_store) &&
1671 !ast_istype(increment, ast_call) &&
1672 !ast_istype(increment, ast_binstore))
1674 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
1680 if (parser->tok != ')') {
1681 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1684 /* parse into the 'then' branch */
1685 if (!parser_next(parser)) {
1686 parseerror(parser, "expected for-loop body");
1689 ontrue = parse_statement_or_block(parser);
1694 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1695 *out = (ast_expression*)aloop;
1697 while (parser->locals_count > parser->blocklocal)
1698 retval = retval && parser_pop_local(parser);
1699 parser->blocklocal = oldblocklocal;
1702 if (initexpr) ast_delete(initexpr);
1703 if (cond) ast_delete(cond);
1704 if (increment) ast_delete(increment);
1705 while (parser->locals_count > parser->blocklocal)
1706 (void)!parser_pop_local(parser);
1707 parser->blocklocal = oldblocklocal;
1711 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1713 if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
1715 /* local variable */
1717 parseerror(parser, "cannot declare a variable from here");
1720 if (opts_standard == COMPILER_QCC) {
1721 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1724 if (!parse_variable(parser, block, false))
1729 else if (parser->tok == TOKEN_KEYWORD)
1731 if (!strcmp(parser_tokval(parser), "local"))
1734 parseerror(parser, "cannot declare a local variable here");
1737 if (!parser_next(parser)) {
1738 parseerror(parser, "expected variable declaration");
1741 if (!parse_variable(parser, block, true))
1746 else if (!strcmp(parser_tokval(parser), "return"))
1748 ast_expression *exp = NULL;
1749 ast_return *ret = NULL;
1750 ast_value *expected = parser->function->vtype;
1752 if (!parser_next(parser)) {
1753 parseerror(parser, "expected return expression");
1757 if (parser->tok != ';') {
1758 exp = parse_expression(parser, false);
1762 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1763 parseerror(parser, "return with invalid expression");
1766 ret = ast_return_new(exp->expression.node.context, exp);
1772 if (!parser_next(parser))
1773 parseerror(parser, "parse error");
1774 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1775 if (opts_standard != COMPILER_GMQCC)
1776 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
1778 parseerror(parser, "return without value");
1780 ret = ast_return_new(parser_ctx(parser), NULL);
1782 *out = (ast_expression*)ret;
1785 else if (!strcmp(parser_tokval(parser), "if"))
1787 return parse_if(parser, block, out);
1789 else if (!strcmp(parser_tokval(parser), "while"))
1791 return parse_while(parser, block, out);
1793 else if (!strcmp(parser_tokval(parser), "do"))
1795 return parse_dowhile(parser, block, out);
1797 else if (!strcmp(parser_tokval(parser), "for"))
1799 if (opts_standard == COMPILER_QCC) {
1800 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1803 return parse_for(parser, block, out);
1805 parseerror(parser, "Unexpected keyword");
1808 else if (parser->tok == '{')
1811 inner = parse_block(parser, false);
1814 *out = (ast_expression*)inner;
1819 ast_expression *exp = parse_expression(parser, false);
1823 if (!ast_istype(exp, ast_store) &&
1824 !ast_istype(exp, ast_call) &&
1825 !ast_istype(exp, ast_binstore))
1827 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
1834 static bool GMQCC_WARN parser_pop_local(parser_t *parser)
1837 parser->locals_count--;
1839 ve = &parser->locals[parser->locals_count];
1840 if (ast_istype(ve->var, ast_value) && !(((ast_value*)(ve->var))->uses)) {
1841 if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", ve->name))
1844 mem_d(parser->locals[parser->locals_count].name);
1848 static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
1850 size_t oldblocklocal;
1853 oldblocklocal = parser->blocklocal;
1854 parser->blocklocal = parser->locals_count;
1856 if (!parser_next(parser)) { /* skip the '{' */
1857 parseerror(parser, "expected function body");
1861 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1863 ast_expression *expr;
1864 if (parser->tok == '}')
1867 if (!parse_statement(parser, block, &expr)) {
1868 /* parseerror(parser, "parse error"); */
1874 if (!ast_block_exprs_add(block, expr)) {
1881 if (parser->tok != '}') {
1884 if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
1886 if (!block->exprs_count ||
1887 !ast_istype(block->exprs[block->exprs_count-1], ast_return))
1889 if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
1895 (void)parser_next(parser);
1899 while (parser->locals_count > parser->blocklocal)
1900 retval = retval && parser_pop_local(parser);
1901 parser->blocklocal = oldblocklocal;
1905 static ast_block* parse_block(parser_t *parser, bool warnreturn)
1908 block = ast_block_new(parser_ctx(parser));
1911 if (!parse_block_into(parser, block, warnreturn)) {
1912 ast_block_delete(block);
1918 static ast_expression* parse_statement_or_block(parser_t *parser)
1920 ast_expression *expr = NULL;
1921 if (parser->tok == '{')
1922 return (ast_expression*)parse_block(parser, false);
1923 if (!parse_statement(parser, NULL, &expr))
1929 static bool create_vector_members(parser_t *parser, ast_value *var, varentry_t *ve)
1932 size_t len = strlen(var->name);
1934 for (i = 0; i < 3; ++i) {
1935 ve[i].var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, i);
1939 ve[i].name = (char*)mem_a(len+3);
1941 ast_delete(ve[i].var);
1945 memcpy(ve[i].name, var->name, len);
1946 ve[i].name[len] = '_';
1947 ve[i].name[len+1] = 'x'+i;
1948 ve[i].name[len+2] = 0;
1957 ast_delete(ve[i].var);
1964 static bool parse_function_body(parser_t *parser, ast_value *var)
1966 ast_block *block = NULL;
1971 ast_expression *framenum = NULL;
1972 ast_expression *nextthink = NULL;
1973 /* None of the following have to be deleted */
1974 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
1975 ast_expression *gbl_time = NULL, *gbl_self = NULL;
1976 bool has_frame_think;
1980 has_frame_think = false;
1981 old = parser->function;
1983 if (var->expression.variadic) {
1984 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
1985 "variadic function with implementation will not be able to access additional parameters"))
1991 if (parser->tok == '[') {
1992 /* got a frame definition: [ framenum, nextthink ]
1993 * this translates to:
1994 * self.frame = framenum;
1995 * self.nextthink = time + 0.1;
1996 * self.think = nextthink;
2000 fld_think = parser_find_field(parser, "think");
2001 fld_nextthink = parser_find_field(parser, "nextthink");
2002 fld_frame = parser_find_field(parser, "frame");
2003 if (!fld_think || !fld_nextthink || !fld_frame) {
2004 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2005 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2008 gbl_time = parser_find_global(parser, "time");
2009 gbl_self = parser_find_global(parser, "self");
2010 if (!gbl_time || !gbl_self) {
2011 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2012 parseerror(parser, "please declare the following globals: `time`, `self`");
2016 if (!parser_next(parser))
2019 framenum = parse_expression_leave(parser, true);
2021 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2024 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->isconst) {
2025 ast_unref(framenum);
2026 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2030 if (parser->tok != ',') {
2031 ast_unref(framenum);
2032 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2033 parseerror(parser, "Got a %i\n", parser->tok);
2037 if (!parser_next(parser)) {
2038 ast_unref(framenum);
2042 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2044 /* qc allows the use of not-yet-declared functions here
2045 * - this automatically creates a prototype */
2047 ast_value *thinkfunc;
2048 ast_expression *functype = fld_think->expression.next;
2050 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2051 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2052 ast_unref(framenum);
2053 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2057 if (!parser_next(parser)) {
2058 ast_unref(framenum);
2059 ast_delete(thinkfunc);
2063 varent.var = (ast_expression*)thinkfunc;
2064 varent.name = util_strdup(thinkfunc->name);
2065 if (!parser_t_globals_add(parser, varent)) {
2066 ast_unref(framenum);
2067 ast_delete(thinkfunc);
2070 nextthink = (ast_expression*)thinkfunc;
2073 nextthink = parse_expression_leave(parser, true);
2075 ast_unref(framenum);
2076 parseerror(parser, "expected a think-function in [frame,think] notation");
2081 if (!ast_istype(nextthink, ast_value)) {
2082 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2086 if (retval && parser->tok != ']') {
2087 parseerror(parser, "expected closing `]` for [frame,think] notation");
2091 if (retval && !parser_next(parser)) {
2095 if (retval && parser->tok != '{') {
2096 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2101 ast_unref(nextthink);
2102 ast_unref(framenum);
2106 has_frame_think = true;
2109 block = ast_block_new(parser_ctx(parser));
2111 parseerror(parser, "failed to allocate block");
2112 if (has_frame_think) {
2113 ast_unref(nextthink);
2114 ast_unref(framenum);
2119 if (has_frame_think) {
2121 ast_expression *self_frame;
2122 ast_expression *self_nextthink;
2123 ast_expression *self_think;
2124 ast_expression *time_plus_1;
2125 ast_store *store_frame;
2126 ast_store *store_nextthink;
2127 ast_store *store_think;
2129 ctx = parser_ctx(parser);
2130 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2131 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2132 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2134 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2135 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2137 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2138 if (self_frame) ast_delete(self_frame);
2139 if (self_nextthink) ast_delete(self_nextthink);
2140 if (self_think) ast_delete(self_think);
2141 if (time_plus_1) ast_delete(time_plus_1);
2147 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2148 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2149 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2152 ast_delete(self_frame);
2155 if (!store_nextthink) {
2156 ast_delete(self_nextthink);
2160 ast_delete(self_think);
2164 if (store_frame) ast_delete(store_frame);
2165 if (store_nextthink) ast_delete(store_nextthink);
2166 if (store_think) ast_delete(store_think);
2169 if (retval && !ast_block_exprs_add(block, (ast_expression*)store_frame)) {
2170 ast_delete(store_frame);
2171 ast_delete(store_nextthink);
2172 ast_delete(store_think);
2176 if (retval && !ast_block_exprs_add(block, (ast_expression*)store_nextthink)) {
2177 ast_delete(store_nextthink);
2178 ast_delete(store_think);
2182 if (retval && !ast_block_exprs_add(block, (ast_expression*)store_think) )
2184 ast_delete(store_think);
2190 parseerror(parser, "failed to generate code for [frame,think]");
2191 ast_unref(nextthink);
2192 ast_unref(framenum);
2198 for (parami = 0; parami < var->expression.params_count; ++parami) {
2201 ast_value *param = var->expression.params[parami];
2203 if (param->expression.vtype != TYPE_VECTOR &&
2204 (param->expression.vtype != TYPE_FIELD ||
2205 param->expression.next->expression.vtype != TYPE_VECTOR))
2210 if (!create_vector_members(parser, param, ve)) {
2211 ast_block_delete(block);
2215 for (e = 0; e < 3; ++e) {
2216 if (!parser_t_locals_add(parser, ve[e]))
2218 if (!ast_block_collect(block, ve[e].var)) {
2219 parser->locals_count--;
2222 ve[e].var = NULL; /* collected */
2225 parser->locals -= e;
2230 ast_block_delete(block);
2235 func = ast_function_new(ast_ctx(var), var->name, var);
2237 parseerror(parser, "failed to allocate function for `%s`", var->name);
2238 ast_block_delete(block);
2241 if (!parser_t_functions_add(parser, func)) {
2242 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
2243 ast_block_delete(block);
2247 parser->function = func;
2248 if (!parse_block_into(parser, block, true)) {
2249 ast_block_delete(block);
2253 if (!ast_function_blocks_add(func, block)) {
2254 ast_block_delete(block);
2258 parser->function = old;
2259 while (parser->locals_count)
2260 retval = retval && parser_pop_local(parser);
2262 if (parser->tok == ';')
2263 return parser_next(parser);
2264 else if (opts_standard == COMPILER_QCC)
2265 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2269 parser->functions_count--;
2271 ast_function_delete(func);
2272 var->constval.vfunc = NULL;
2275 while (parser->locals_count) {
2276 parser->locals_count--;
2277 mem_d(parser->locals[parser->locals_count].name);
2279 parser->function = old;
2283 static ast_expression *array_accessor_split(
2288 ast_expression *left,
2289 ast_expression *right
2295 lex_ctx ctx = ast_ctx(array);
2297 if (!left || !right) {
2298 if (left) ast_delete(left);
2299 if (right) ast_delete(right);
2303 cmp = ast_binary_new(ctx, INSTR_LT,
2304 (ast_expression*)index,
2305 (ast_expression*)parser_const_float(parser, middle));
2309 parseerror(parser, "internal error: failed to create comparison for array setter");
2313 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2315 ast_delete(cmp); /* will delete left and right */
2316 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2320 return (ast_expression*)ifthen;
2323 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2325 lex_ctx ctx = ast_ctx(array);
2327 if (from+1 == afterend) {
2331 ast_array_index *subscript;
2332 int assignop = type_store_instr[value->expression.vtype];
2334 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2335 assignop = INSTR_STORE_V;
2337 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2341 ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2343 ast_delete(subscript);
2347 block = ast_block_new(ctx);
2353 if (!ast_block_exprs_add(block, (ast_expression*)st)) {
2358 ret = ast_return_new(ctx, NULL);
2364 if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
2369 return (ast_expression*)block;
2371 ast_expression *left, *right;
2372 size_t diff = afterend - from;
2373 size_t middle = from + diff/2;
2374 left = array_setter_node(parser, array, index, value, from, middle);
2375 right = array_setter_node(parser, array, index, value, middle, afterend);
2376 return array_accessor_split(parser, array, index, middle, left, right);
2380 static ast_expression *array_field_setter_node(
2389 lex_ctx ctx = ast_ctx(array);
2391 if (from+1 == afterend) {
2395 ast_entfield *entfield;
2396 ast_array_index *subscript;
2397 int assignop = type_storep_instr[value->expression.vtype];
2399 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2400 assignop = INSTR_STOREP_V;
2402 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2406 entfield = ast_entfield_new_force(ctx,
2407 (ast_expression*)entity,
2408 (ast_expression*)subscript,
2409 (ast_expression*)subscript);
2411 ast_delete(subscript);
2415 ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2417 ast_delete(entfield);
2421 block = ast_block_new(ctx);
2427 if (!ast_block_exprs_add(block, (ast_expression*)st)) {
2432 ret = ast_return_new(ctx, NULL);
2438 if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
2443 return (ast_expression*)block;
2445 ast_expression *left, *right;
2446 size_t diff = afterend - from;
2447 size_t middle = from + diff/2;
2448 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
2449 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
2450 return array_accessor_split(parser, array, index, middle, left, right);
2454 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
2456 lex_ctx ctx = ast_ctx(array);
2458 if (from+1 == afterend) {
2460 ast_array_index *subscript;
2462 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2466 ret = ast_return_new(ctx, (ast_expression*)subscript);
2468 ast_delete(subscript);
2472 return (ast_expression*)ret;
2474 ast_expression *left, *right;
2475 size_t diff = afterend - from;
2476 size_t middle = from + diff/2;
2477 left = array_getter_node(parser, array, index, from, middle);
2478 right = array_getter_node(parser, array, index, middle, afterend);
2479 return array_accessor_split(parser, array, index, middle, left, right);
2483 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
2485 ast_function *func = NULL;
2486 ast_value *fval = NULL;
2488 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
2490 parseerror(parser, "failed to create accessor function value");
2494 func = ast_function_new(ast_ctx(array), funcname, fval);
2497 parseerror(parser, "failed to create accessor function node");
2506 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
2508 ast_expression *root = NULL;
2509 ast_block *body = NULL;
2510 ast_value *index = NULL;
2511 ast_value *value = NULL;
2515 if (!ast_istype(array->expression.next, ast_value)) {
2516 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2520 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2522 func = fval->constval.vfunc;
2523 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
2525 body = ast_block_new(ast_ctx(array));
2527 parseerror(parser, "failed to create block for array accessor");
2531 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2532 value = ast_value_copy((ast_value*)array->expression.next);
2534 if (!index || !value) {
2535 parseerror(parser, "failed to create locals for array accessor");
2538 (void)!ast_value_set_name(value, "value"); /* not important */
2539 (void)!ast_expression_common_params_add(&fval->expression, index);
2540 (void)!ast_expression_common_params_add(&fval->expression, value);
2542 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
2544 parseerror(parser, "failed to build accessor search tree");
2548 (void)!ast_block_exprs_add(body, root);
2549 (void)!ast_function_blocks_add(func, body);
2550 array->setter = fval;
2553 if (body) ast_delete(body);
2554 if (index) ast_delete(index);
2555 if (value) ast_delete(value);
2556 if (root) ast_delete(root);
2562 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
2564 ast_expression *root = NULL;
2565 ast_block *body = NULL;
2566 ast_value *entity = NULL;
2567 ast_value *index = NULL;
2568 ast_value *value = NULL;
2572 if (!ast_istype(array->expression.next, ast_value)) {
2573 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2577 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2579 func = fval->constval.vfunc;
2580 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
2582 body = ast_block_new(ast_ctx(array));
2584 parseerror(parser, "failed to create block for array accessor");
2588 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
2589 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2590 value = ast_value_copy((ast_value*)array->expression.next);
2591 if (!entity || !index || !value) {
2592 parseerror(parser, "failed to create locals for array accessor");
2595 (void)!ast_value_set_name(value, "value"); /* not important */
2596 (void)!ast_expression_common_params_add(&fval->expression, entity);
2597 (void)!ast_expression_common_params_add(&fval->expression, index);
2598 (void)!ast_expression_common_params_add(&fval->expression, value);
2600 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
2602 parseerror(parser, "failed to build accessor search tree");
2606 (void)!ast_block_exprs_add(body, root);
2607 (void)!ast_function_blocks_add(func, body);
2608 array->setter = fval;
2611 if (body) ast_delete(body);
2612 if (entity) ast_delete(entity);
2613 if (index) ast_delete(index);
2614 if (value) ast_delete(value);
2615 if (root) ast_delete(root);
2621 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
2623 ast_expression *root = NULL;
2624 ast_block *body = NULL;
2625 ast_value *index = NULL;
2629 /* NOTE: checking array->expression.next rather than elemtype since
2630 * for fields elemtype is a temporary fieldtype.
2632 if (!ast_istype(array->expression.next, ast_value)) {
2633 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2637 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2639 func = fval->constval.vfunc;
2640 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
2642 body = ast_block_new(ast_ctx(array));
2644 parseerror(parser, "failed to create block for array accessor");
2648 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2651 parseerror(parser, "failed to create locals for array accessor");
2654 (void)!ast_expression_common_params_add(&fval->expression, index);
2656 root = array_getter_node(parser, array, index, 0, array->expression.count);
2658 parseerror(parser, "failed to build accessor search tree");
2662 (void)!ast_block_exprs_add(body, root);
2663 (void)!ast_function_blocks_add(func, body);
2664 array->getter = fval;
2667 if (body) ast_delete(body);
2668 if (index) ast_delete(index);
2669 if (root) ast_delete(root);
2676 MEM_VECTOR_MAKE(ast_value*, p);
2678 MEM_VEC_FUNCTIONS(paramlist_t, ast_value*, p)
2680 static ast_value *parse_typename(parser_t *parser, ast_value **storebase);
2681 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
2689 bool variadic = false;
2691 ctx = parser_ctx(parser);
2693 /* for the sake of less code we parse-in in this function */
2694 if (!parser_next(parser)) {
2695 parseerror(parser, "expected parameter list");
2699 MEM_VECTOR_INIT(¶ms, p);
2701 /* parse variables until we hit a closing paren */
2702 while (parser->tok != ')') {
2704 /* there must be commas between them */
2705 if (parser->tok != ',') {
2706 parseerror(parser, "expected comma or end of parameter list");
2709 if (!parser_next(parser)) {
2710 parseerror(parser, "expected parameter");
2716 if (parser->tok == TOKEN_DOTS) {
2717 /* '...' indicates a varargs function */
2719 if (!parser_next(parser)) {
2720 parseerror(parser, "expected parameter");
2723 if (parser->tok != ')') {
2724 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
2730 /* for anything else just parse a typename */
2731 param = parse_typename(parser, NULL);
2734 if (!paramlist_t_p_add(¶ms, param)) {
2738 if (param->expression.vtype >= TYPE_VARIANT) {
2739 char typename[1024];
2740 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
2741 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
2748 if (params.p_count > 8)
2749 parseerror(parser, "more than 8 parameters are currently not supported");
2752 if (!parser_next(parser)) {
2753 parseerror(parser, "parse error after typename");
2757 /* now turn 'var' into a function type */
2758 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
2759 fval->expression.next = (ast_expression*)var;
2760 fval->expression.variadic = variadic;
2763 MEM_VECTOR_MOVE(¶ms, p, &var->expression, params);
2769 for (i = 0; i < params.p_count; ++i)
2770 ast_delete(params.p[i]);
2771 MEM_VECTOR_CLEAR(¶ms, p);
2775 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
2777 ast_expression *cexp;
2778 ast_value *cval, *tmp;
2781 ctx = parser_ctx(parser);
2783 if (!parser_next(parser)) {
2785 parseerror(parser, "expected array-size");
2789 cexp = parse_expression_leave(parser, true);
2791 if (!cexp || !ast_istype(cexp, ast_value)) {
2795 parseerror(parser, "expected array-size as constant positive integer");
2798 cval = (ast_value*)cexp;
2800 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
2801 tmp->expression.next = (ast_expression*)var;
2804 if (cval->expression.vtype == TYPE_INTEGER)
2805 tmp->expression.count = cval->constval.vint;
2806 else if (cval->expression.vtype == TYPE_FLOAT)
2807 tmp->expression.count = cval->constval.vfloat;
2811 parseerror(parser, "array-size must be a positive integer constant");
2816 if (parser->tok != ']') {
2818 parseerror(parser, "expected ']' after array-size");
2821 if (!parser_next(parser)) {
2823 parseerror(parser, "error after parsing array size");
2829 /* Parse a complete typename.
2830 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
2831 * but when parsing variables separated by comma
2832 * 'storebase' should point to where the base-type should be kept.
2833 * The base type makes up every bit of type information which comes *before* the
2836 * The following will be parsed in its entirety:
2838 * The 'basetype' in this case is 'void()'
2839 * and if there's a comma after it, say:
2841 * then the type-information 'void()' can be stored in 'storebase'
2843 static ast_value *parse_typename(parser_t *parser, ast_value **storebase)
2845 ast_value *var, *tmp;
2848 const char *name = NULL;
2849 bool isfield = false;
2850 bool wasarray = false;
2852 ctx = parser_ctx(parser);
2854 /* types may start with a dot */
2855 if (parser->tok == '.') {
2857 /* if we parsed a dot we need a typename now */
2858 if (!parser_next(parser)) {
2859 parseerror(parser, "expected typename for field definition");
2862 if (parser->tok != TOKEN_TYPENAME) {
2863 parseerror(parser, "expected typename");
2868 /* generate the basic type value */
2869 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
2870 /* do not yet turn into a field - remember:
2871 * .void() foo; is a field too
2872 * .void()() foo; is a function
2876 if (!parser_next(parser)) {
2878 parseerror(parser, "parse error after typename");
2882 /* an opening paren now starts the parameter-list of a function
2883 * this is where original-QC has parameter lists.
2884 * We allow a single parameter list here.
2885 * Much like fteqcc we don't allow `float()() x`
2887 if (parser->tok == '(') {
2888 var = parse_parameter_list(parser, var);
2893 /* store the base if requested */
2895 *storebase = ast_value_copy(var);
2897 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
2898 tmp->expression.next = (ast_expression*)*storebase;
2903 /* there may be a name now */
2904 if (parser->tok == TOKEN_IDENT) {
2905 name = util_strdup(parser_tokval(parser));
2907 if (!parser_next(parser)) {
2909 parseerror(parser, "error after variable or field declaration");
2914 /* now this may be an array */
2915 if (parser->tok == '[') {
2917 var = parse_arraysize(parser, var);
2922 /* This is the point where we can turn it into a field */
2924 /* turn it into a field if desired */
2925 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
2926 tmp->expression.next = (ast_expression*)var;
2930 /* now there may be function parens again */
2931 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
2932 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2933 if (parser->tok == '(' && wasarray)
2934 parseerror(parser, "arrays as part of a return type is not supported");
2935 while (parser->tok == '(') {
2936 var = parse_parameter_list(parser, var);
2945 /* finally name it */
2947 if (!ast_value_set_name(var, name)) {
2949 parseerror(parser, "internal error: failed to set name");
2952 /* free the name, ast_value_set_name duplicates */
2959 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields)
2963 ast_expression *old;
2967 ast_value *basetype = NULL;
2969 bool isparam = false;
2970 bool isvector = false;
2971 bool cleanvar = true;
2972 bool wasarray = false;
2974 varentry_t varent, ve[3];
2976 /* get the first complete variable */
2977 var = parse_typename(parser, &basetype);
2980 ast_delete(basetype);
2984 memset(&varent, 0, sizeof(varent));
2985 memset(&ve, 0, sizeof(ve));
2991 /* Part 0: finish the type */
2992 if (parser->tok == '(') {
2993 if (opts_standard == COMPILER_QCC)
2994 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2995 var = parse_parameter_list(parser, var);
3001 /* we only allow 1-dimensional arrays */
3002 if (parser->tok == '[') {
3004 var = parse_arraysize(parser, var);
3010 if (parser->tok == '(' && wasarray) {
3011 parseerror(parser, "arrays as part of a return type is not supported");
3012 /* we'll still parse the type completely for now */
3014 /* for functions returning functions */
3015 while (parser->tok == '(') {
3016 if (opts_standard == COMPILER_QCC)
3017 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3018 var = parse_parameter_list(parser, var);
3026 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3027 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3028 * is then filled with the previous definition and the parameter-names replaced.
3031 /* Deal with end_sys_ vars */
3033 if (!strcmp(var->name, "end_sys_globals")) {
3034 parser->crc_globals = parser->globals_count;
3037 else if (!strcmp(var->name, "end_sys_fields")) {
3038 parser->crc_fields = parser->fields_count;
3041 if (was_end && var->expression.vtype == TYPE_FIELD) {
3042 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3043 "global '%s' hint should not be a field",
3044 parser_tokval(parser)))
3051 if (!nofields && var->expression.vtype == TYPE_FIELD)
3053 /* deal with field declarations */
3054 old = parser_find_field(parser, var->name);
3056 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3057 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3066 parseerror(parser, "field `%s` already declared here: %s:%i",
3067 var->name, ast_ctx(old).file, ast_ctx(old).line);
3072 if (opts_standard == COMPILER_QCC &&
3073 (old = parser_find_global(parser, var->name)))
3075 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3076 parseerror(parser, "field `%s` already declared here: %s:%i",
3077 var->name, ast_ctx(old).file, ast_ctx(old).line);
3084 /* deal with other globals */
3085 old = parser_find_global(parser, var->name);
3086 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3088 /* This is a function which had a prototype */
3089 if (!ast_istype(old, ast_value)) {
3090 parseerror(parser, "internal error: prototype is not an ast_value");
3094 proto = (ast_value*)old;
3095 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3096 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3098 ast_ctx(proto).file, ast_ctx(proto).line);
3102 /* we need the new parameter-names */
3103 for (i = 0; i < proto->expression.params_count; ++i)
3104 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3112 parseerror(parser, "global `%s` already declared here: %s:%i",
3113 var->name, ast_ctx(old).file, ast_ctx(old).line);
3117 if (opts_standard == COMPILER_QCC &&
3118 (old = parser_find_field(parser, var->name)))
3120 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3121 parseerror(parser, "global `%s` already declared here: %s:%i",
3122 var->name, ast_ctx(old).file, ast_ctx(old).line);
3129 else /* it's not a global */
3131 old = parser_find_local(parser, var->name, parser->blocklocal, &isparam);
3132 if (old && !isparam) {
3133 parseerror(parser, "local `%s` already declared here: %s:%i",
3134 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3138 old = parser_find_local(parser, var->name, 0, &isparam);
3139 if (old && isparam) {
3140 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3141 "local `%s` is shadowing a parameter", var->name))
3143 parseerror(parser, "local `%s` already declared here: %s:%i",
3144 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3148 if (opts_standard != COMPILER_GMQCC) {
3157 * Create the global/local, and deal with vector types.
3160 if (var->expression.vtype == TYPE_VECTOR)
3162 else if (var->expression.vtype == TYPE_FIELD &&
3163 var->expression.next->expression.vtype == TYPE_VECTOR)
3167 if (!create_vector_members(parser, var, ve)) {
3173 varent.name = util_strdup(var->name);
3174 varent.var = (ast_expression*)var;
3177 /* deal with global variables, fields, functions */
3178 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3179 if (!(retval = parser_t_fields_add(parser, varent)))
3182 for (i = 0; i < 3; ++i) {
3183 if (!(retval = parser_t_fields_add(parser, ve[i])))
3187 parser->fields_count -= i+1;
3193 if (!(retval = parser_t_globals_add(parser, varent)))
3196 for (i = 0; i < 3; ++i) {
3197 if (!(retval = parser_t_globals_add(parser, ve[i])))
3201 parser->globals_count -= i+1;
3207 if (!(retval = parser_t_locals_add(parser, varent)))
3209 if (!(retval = ast_block_locals_add(localblock, var))) {
3210 parser->locals_count--;
3214 for (i = 0; i < 3; ++i) {
3215 if (!(retval = parser_t_locals_add(parser, ve[i])))
3217 if (!(retval = ast_block_collect(localblock, ve[i].var)))
3219 ve[i].var = NULL; /* from here it's being collected in the block */
3222 parser->locals_count -= i+1;
3223 localblock->locals_count--;
3230 ve[0].name = ve[1].name = ve[2].name = NULL;
3231 ve[0].var = ve[1].var = ve[2].var = NULL;
3237 if (var->expression.vtype == TYPE_ARRAY) {
3239 snprintf(name, sizeof(name), "%s##SET", var->name);
3240 if (!parser_create_array_setter(parser, var, name))
3242 snprintf(name, sizeof(name), "%s##GET", var->name);
3243 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3246 else if (!localblock && !nofields &&
3247 var->expression.vtype == TYPE_FIELD &&
3248 var->expression.next->expression.vtype == TYPE_ARRAY)
3251 ast_expression *telem;
3253 ast_value *array = (ast_value*)var->expression.next;
3255 if (!ast_istype(var->expression.next, ast_value)) {
3256 parseerror(parser, "internal error: field element type must be an ast_value");
3260 snprintf(name, sizeof(name), "%s##SETF", var->name);
3261 if (!parser_create_array_field_setter(parser, array, name))
3264 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3265 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3266 tfield->expression.next = telem;
3267 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3268 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3276 if (parser->tok == ';') {
3277 ast_delete(basetype);
3278 if (!parser_next(parser)) {
3279 parseerror(parser, "error after variable declaration");
3285 if (parser->tok == ',')
3288 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3289 parseerror(parser, "missing comma or semicolon while parsing variables");
3293 if (localblock && opts_standard == COMPILER_QCC) {
3294 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3295 "initializing expression turns variable `%s` into a constant in this standard",
3302 if (parser->tok != '{') {
3303 if (parser->tok != '=') {
3304 parseerror(parser, "missing semicolon or initializer");
3308 if (!parser_next(parser)) {
3309 parseerror(parser, "error parsing initializer");
3313 else if (opts_standard == COMPILER_QCC) {
3314 parseerror(parser, "expected '=' before function body in this standard");
3317 if (parser->tok == '#') {
3321 parseerror(parser, "cannot declare builtins within functions");
3324 if (var->expression.vtype != TYPE_FUNCTION) {
3325 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3328 if (!parser_next(parser)) {
3329 parseerror(parser, "expected builtin number");
3332 if (parser->tok != TOKEN_INTCONST) {
3333 parseerror(parser, "builtin number must be an integer constant");
3336 if (parser_token(parser)->constval.i <= 0) {
3337 parseerror(parser, "builtin number must be an integer greater than zero");
3341 func = ast_function_new(ast_ctx(var), var->name, var);
3343 parseerror(parser, "failed to allocate function for `%s`", var->name);
3346 if (!parser_t_functions_add(parser, func)) {
3347 parseerror(parser, "failed to allocate slot for function `%s`", var->name);
3348 ast_function_delete(func);
3349 var->constval.vfunc = NULL;
3353 func->builtin = -parser_token(parser)->constval.i;
3355 if (!parser_next(parser)) {
3356 parseerror(parser, "expected comma or semicolon");
3357 ast_function_delete(func);
3358 var->constval.vfunc = NULL;
3362 else if (parser->tok == '{' || parser->tok == '[')
3365 parseerror(parser, "cannot declare functions within functions");
3369 if (!parse_function_body(parser, var))
3371 ast_delete(basetype);
3374 ast_expression *cexp;
3377 cexp = parse_expression_leave(parser, true);
3382 cval = (ast_value*)cexp;
3383 if (!ast_istype(cval, ast_value) || !cval->isconst)
3384 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
3387 var->isconst = true;
3388 if (cval->expression.vtype == TYPE_STRING)
3389 var->constval.vstring = parser_strdup(cval->constval.vstring);
3391 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
3396 MEM_VECTOR_INIT(&sy, out);
3397 MEM_VECTOR_INIT(&sy, ops);
3398 if (!shunt_out_add(&sy, syexp(ast_ctx(var), (ast_expression*)var)) ||
3399 !shunt_out_add(&sy, syexp(ast_ctx(cexp), (ast_expression*)cexp)) ||
3400 !shunt_ops_add(&sy, syop(ast_ctx(var), parser->assign_op)))
3402 parseerror(parser, "internal error: failed to prepare initializer");
3405 else if (!parser_sy_pop(parser, &sy))
3408 if (sy.out_count != 1 && sy.ops_count != 0)
3409 parseerror(parser, "internal error: leaked operands");
3410 else if (!ast_block_exprs_add(localblock, (ast_expression*)sy.out[0].out)) {
3411 parseerror(parser, "failed to create intializing expression");
3412 ast_unref(sy.out[0].out);
3416 MEM_VECTOR_CLEAR(&sy, out);
3417 MEM_VECTOR_CLEAR(&sy, ops);
3422 if (parser->tok == ',') {
3423 if (!parser_next(parser)) {
3424 parseerror(parser, "expected another variable");
3428 if (parser->tok != TOKEN_IDENT) {
3429 parseerror(parser, "expected another variable");
3432 var = ast_value_copy(basetype);
3434 ast_value_set_name(var, parser_tokval(parser));
3435 if (!parser_next(parser)) {
3436 parseerror(parser, "error parsing variable declaration");
3442 if (parser->tok != ';') {
3443 parseerror(parser, "missing semicolon after variables");
3447 if (!parser_next(parser)) {
3448 parseerror(parser, "parse error after variable declaration");
3452 ast_delete(basetype);
3456 if (cleanvar && var)
3458 ast_delete(basetype);
3462 ast_delete(basetype);
3463 if (cleanvar && var)
3465 if (varent.name) mem_d(varent.name);
3466 if (ve[0].name) mem_d(ve[0].name);
3467 if (ve[1].name) mem_d(ve[1].name);
3468 if (ve[2].name) mem_d(ve[2].name);
3469 if (ve[0].var) mem_d(ve[0].var);
3470 if (ve[1].var) mem_d(ve[1].var);
3471 if (ve[2].var) mem_d(ve[2].var);
3475 static bool parser_global_statement(parser_t *parser)
3477 if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
3479 return parse_variable(parser, NULL, false);
3481 else if (parser->tok == TOKEN_KEYWORD)
3483 /* handle 'var' and 'const' */
3484 if (!strcmp(parser_tokval(parser), "var")) {
3485 if (!parser_next(parser)) {
3486 parseerror(parser, "expected variable declaration after 'var'");
3489 return parse_variable(parser, NULL, true);
3493 else if (parser->tok == '$')
3495 if (!parser_next(parser)) {
3496 parseerror(parser, "parse error");
3502 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
3508 static parser_t *parser;
3513 parser = (parser_t*)mem_a(sizeof(parser_t));
3517 memset(parser, 0, sizeof(*parser));
3519 for (i = 0; i < operator_count; ++i) {
3520 if (operators[i].id == opid1('=')) {
3521 parser->assign_op = operators+i;
3525 if (!parser->assign_op) {
3526 printf("internal error: initializing parser: failed to find assign operator\n");
3533 bool parser_compile(const char *filename)
3535 parser->lex = lex_open(filename);
3537 printf("failed to open file \"%s\"\n", filename);
3541 /* initial lexer/parser state */
3542 parser->lex->flags.noops = true;
3544 if (parser_next(parser))
3546 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
3548 if (!parser_global_statement(parser)) {
3549 if (parser->tok == TOKEN_EOF)
3550 parseerror(parser, "unexpected eof");
3551 else if (!parser->errors)
3552 parseerror(parser, "there have been errors, bailing out");
3553 lex_close(parser->lex);
3559 parseerror(parser, "parse error");
3560 lex_close(parser->lex);
3565 lex_close(parser->lex);
3568 return !parser->errors;
3571 void parser_cleanup()
3574 for (i = 0; i < parser->functions_count; ++i) {
3575 ast_delete(parser->functions[i]);
3577 for (i = 0; i < parser->imm_vector_count; ++i) {
3578 ast_delete(parser->imm_vector[i]);
3580 for (i = 0; i < parser->imm_string_count; ++i) {
3581 ast_delete(parser->imm_string[i]);
3583 for (i = 0; i < parser->imm_float_count; ++i) {
3584 ast_delete(parser->imm_float[i]);
3586 for (i = 0; i < parser->fields_count; ++i) {
3587 ast_delete(parser->fields[i].var);
3588 mem_d(parser->fields[i].name);
3590 for (i = 0; i < parser->globals_count; ++i) {
3591 ast_delete(parser->globals[i].var);
3592 mem_d(parser->globals[i].name);
3594 MEM_VECTOR_CLEAR(parser, functions);
3595 MEM_VECTOR_CLEAR(parser, imm_vector);
3596 MEM_VECTOR_CLEAR(parser, imm_string);
3597 MEM_VECTOR_CLEAR(parser, imm_float);
3598 MEM_VECTOR_CLEAR(parser, globals);
3599 MEM_VECTOR_CLEAR(parser, fields);
3600 MEM_VECTOR_CLEAR(parser, locals);
3605 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
3607 return util_crc16(old, str, strlen(str));
3610 static void progdefs_crc_file(const char *str)
3612 /* write to progdefs.h here */
3615 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
3617 old = progdefs_crc_sum(old, str);
3618 progdefs_crc_file(str);
3622 static void generate_checksum(parser_t *parser)
3624 uint16_t crc = 0xFFFF;
3627 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
3628 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
3630 progdefs_crc_file("\tint\tpad;\n");
3631 progdefs_crc_file("\tint\tofs_return[3];\n");
3632 progdefs_crc_file("\tint\tofs_parm0[3];\n");
3633 progdefs_crc_file("\tint\tofs_parm1[3];\n");
3634 progdefs_crc_file("\tint\tofs_parm2[3];\n");
3635 progdefs_crc_file("\tint\tofs_parm3[3];\n");
3636 progdefs_crc_file("\tint\tofs_parm4[3];\n");
3637 progdefs_crc_file("\tint\tofs_parm5[3];\n");
3638 progdefs_crc_file("\tint\tofs_parm6[3];\n");
3639 progdefs_crc_file("\tint\tofs_parm7[3];\n");
3641 for (i = 0; i < parser->crc_globals; ++i) {
3642 if (!ast_istype(parser->globals[i].var, ast_value))
3644 switch (parser->globals[i].var->expression.vtype) {
3645 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
3646 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
3647 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
3648 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
3650 crc = progdefs_crc_both(crc, "\tint\t");
3653 crc = progdefs_crc_both(crc, parser->globals[i].name);
3654 crc = progdefs_crc_both(crc, ";\n");
3656 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
3657 for (i = 0; i < parser->crc_fields; ++i) {
3658 if (!ast_istype(parser->fields[i].var, ast_value))
3660 switch (parser->fields[i].var->expression.next->expression.vtype) {
3661 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
3662 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
3663 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
3664 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
3666 crc = progdefs_crc_both(crc, "\tint\t");
3669 crc = progdefs_crc_both(crc, parser->fields[i].name);
3670 crc = progdefs_crc_both(crc, ";\n");
3672 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
3677 bool parser_finish(const char *output)
3683 if (!parser->errors)
3685 ir = ir_builder_new("gmqcc_out");
3687 printf("failed to allocate builder\n");
3691 for (i = 0; i < parser->fields_count; ++i) {
3694 if (!ast_istype(parser->fields[i].var, ast_value))
3696 field = (ast_value*)parser->fields[i].var;
3697 isconst = field->isconst;
3698 field->isconst = false;
3699 if (!ast_global_codegen((ast_value*)field, ir, true)) {
3700 printf("failed to generate field %s\n", field->name);
3701 ir_builder_delete(ir);
3706 ast_expression *subtype;
3707 field->isconst = true;
3708 subtype = field->expression.next;
3709 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
3710 if (subtype->expression.vtype == TYPE_FIELD)
3711 ifld->fieldtype = subtype->expression.next->expression.vtype;
3712 else if (subtype->expression.vtype == TYPE_FUNCTION)
3713 ifld->outtype = subtype->expression.next->expression.vtype;
3714 (void)!ir_value_set_field(field->ir_v, ifld);
3717 for (i = 0; i < parser->globals_count; ++i) {
3719 if (!ast_istype(parser->globals[i].var, ast_value))
3721 asvalue = (ast_value*)(parser->globals[i].var);
3722 if (!asvalue->uses && !asvalue->isconst && asvalue->expression.vtype != TYPE_FUNCTION) {
3723 if (strcmp(asvalue->name, "end_sys_globals") &&
3724 strcmp(asvalue->name, "end_sys_fields"))
3726 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
3727 "unused global: `%s`", asvalue->name);
3730 if (!ast_global_codegen(asvalue, ir, false)) {
3731 printf("failed to generate global %s\n", parser->globals[i].name);
3732 ir_builder_delete(ir);
3736 for (i = 0; i < parser->imm_float_count; ++i) {
3737 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
3738 printf("failed to generate global %s\n", parser->imm_float[i]->name);
3739 ir_builder_delete(ir);
3743 for (i = 0; i < parser->imm_string_count; ++i) {
3744 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
3745 printf("failed to generate global %s\n", parser->imm_string[i]->name);
3746 ir_builder_delete(ir);
3750 for (i = 0; i < parser->imm_vector_count; ++i) {
3751 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
3752 printf("failed to generate global %s\n", parser->imm_vector[i]->name);
3753 ir_builder_delete(ir);
3757 for (i = 0; i < parser->globals_count; ++i) {
3759 if (!ast_istype(parser->globals[i].var, ast_value))
3761 asvalue = (ast_value*)(parser->globals[i].var);
3762 if (asvalue->setter) {
3763 if (!ast_global_codegen(asvalue->setter, ir, false) ||
3764 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
3765 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
3767 printf("failed to generate setter for %s\n", parser->globals[i].name);
3768 ir_builder_delete(ir);
3772 if (asvalue->getter) {
3773 if (!ast_global_codegen(asvalue->getter, ir, false) ||
3774 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
3775 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
3777 printf("failed to generate getter for %s\n", parser->globals[i].name);
3778 ir_builder_delete(ir);
3783 for (i = 0; i < parser->fields_count; ++i) {
3785 asvalue = (ast_value*)(parser->fields[i].var->expression.next);
3787 if (!ast_istype((ast_expression*)asvalue, ast_value))
3789 if (asvalue->expression.vtype != TYPE_ARRAY)
3791 if (asvalue->setter) {
3792 if (!ast_global_codegen(asvalue->setter, ir, false) ||
3793 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
3794 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
3796 printf("failed to generate setter for %s\n", parser->fields[i].name);
3797 ir_builder_delete(ir);
3801 if (asvalue->getter) {
3802 if (!ast_global_codegen(asvalue->getter, ir, false) ||
3803 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
3804 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
3806 printf("failed to generate getter for %s\n", parser->fields[i].name);
3807 ir_builder_delete(ir);
3812 for (i = 0; i < parser->functions_count; ++i) {
3813 if (!ast_function_codegen(parser->functions[i], ir)) {
3814 printf("failed to generate function %s\n", parser->functions[i]->name);
3815 ir_builder_delete(ir);
3818 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
3819 printf("failed to finalize function %s\n", parser->functions[i]->name);
3820 ir_builder_delete(ir);
3827 ir_builder_dump(ir, printf);
3829 generate_checksum(parser);
3831 if (!ir_builder_generate(ir, output)) {
3832 printf("*** failed to generate output file\n");
3833 ir_builder_delete(ir);
3838 ir_builder_delete(ir);
3842 printf("*** there were compile errors\n");