18 ast_function **functions;
19 ast_value **imm_float;
20 ast_value **imm_string;
21 ast_value **imm_vector;
23 /* must be deleted first, they reference immediates and values */
24 ast_value **accessors;
26 ast_value *imm_float_zero;
27 ast_value *imm_vector_zero;
32 ast_function *function;
38 /* we store the '=' operator info */
39 const oper_info *assign_op;
41 /* TYPE_FIELD -> parser_find_fields is used instead of find_var
42 * TODO: TYPE_VECTOR -> x, y and z are accepted in the gmqcc standard
43 * anything else: type error
49 static bool GMQCC_WARN parser_pop_local(parser_t *parser);
50 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields);
51 static ast_block* parse_block(parser_t *parser, bool warnreturn);
52 static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn);
53 static ast_expression* parse_statement_or_block(parser_t *parser);
54 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma);
55 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma);
57 static void parseerror(parser_t *parser, const char *fmt, ...)
64 con_vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
68 /* returns true if it counts as an error */
69 static bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
72 int lvl = LVL_WARNING;
74 if (!OPTS_WARN(warntype))
83 con_vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
89 static bool GMQCC_WARN genwarning(lex_ctx ctx, int warntype, const char *fmt, ...)
92 int lvl = LVL_WARNING;
94 if (!OPTS_WARN(warntype))
101 con_vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
107 /**********************************************************************
108 * some maths used for constant folding
111 vector vec3_add(vector a, vector b)
120 vector vec3_sub(vector a, vector b)
129 qcfloat vec3_mulvv(vector a, vector b)
131 return (a.x * b.x + a.y * b.y + a.z * b.z);
134 vector vec3_mulvf(vector a, float b)
143 /**********************************************************************
147 bool parser_next(parser_t *parser)
149 /* lex_do kills the previous token */
150 parser->tok = lex_do(parser->lex);
151 if (parser->tok == TOKEN_EOF)
153 if (parser->tok >= TOKEN_ERROR) {
154 parseerror(parser, "lex error");
160 #define parser_tokval(p) ((p)->lex->tok.value)
161 #define parser_token(p) (&((p)->lex->tok))
162 #define parser_ctx(p) ((p)->lex->tok.ctx)
164 static ast_value* parser_const_float(parser_t *parser, double d)
168 for (i = 0; i < vec_size(parser->imm_float); ++i) {
169 if (parser->imm_float[i]->constval.vfloat == d)
170 return parser->imm_float[i];
172 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
174 out->constval.vfloat = d;
175 vec_push(parser->imm_float, out);
179 static ast_value* parser_const_float_0(parser_t *parser)
181 if (!parser->imm_float_zero)
182 parser->imm_float_zero = parser_const_float(parser, 0);
183 return parser->imm_float_zero;
186 static char *parser_strdup(const char *str)
189 /* actually dup empty strings */
190 char *out = mem_a(1);
194 return util_strdup(str);
197 static ast_value* parser_const_string(parser_t *parser, const char *str)
201 for (i = 0; i < vec_size(parser->imm_string); ++i) {
202 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
203 return parser->imm_string[i];
205 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
207 out->constval.vstring = parser_strdup(str);
208 vec_push(parser->imm_string, out);
212 static ast_value* parser_const_vector(parser_t *parser, vector v)
216 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
217 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
218 return parser->imm_vector[i];
220 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
222 out->constval.vvec = v;
223 vec_push(parser->imm_vector, out);
227 static ast_value* parser_const_vector_f(parser_t *parser, float x, float y, float z)
233 return parser_const_vector(parser, v);
236 static ast_value* parser_const_vector_0(parser_t *parser)
238 if (!parser->imm_vector_zero)
239 parser->imm_vector_zero = parser_const_vector_f(parser, 0, 0, 0);
240 return parser->imm_vector_zero;
243 static ast_expression* parser_find_field(parser_t *parser, const char *name)
246 for (i = 0; i < vec_size(parser->fields); ++i) {
247 if (!strcmp(parser->fields[i].name, name))
248 return parser->fields[i].var;
253 static ast_expression* parser_find_global(parser_t *parser, const char *name)
256 for (i = 0; i < vec_size(parser->globals); ++i) {
257 if (!strcmp(parser->globals[i].name, name))
258 return parser->globals[i].var;
263 static ast_expression* parser_find_param(parser_t *parser, const char *name)
267 if (!parser->function)
269 fun = parser->function->vtype;
270 for (i = 0; i < vec_size(fun->expression.params); ++i) {
271 if (!strcmp(fun->expression.params[i]->name, name))
272 return (ast_expression*)(fun->expression.params[i]);
277 static ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
281 for (i = vec_size(parser->locals); i > upto;) {
283 if (!strcmp(parser->locals[i].name, name))
284 return parser->locals[i].var;
287 return parser_find_param(parser, name);
290 static ast_expression* parser_find_var(parser_t *parser, const char *name)
294 v = parser_find_local(parser, name, 0, &dummy);
295 if (!v) v = parser_find_global(parser, name);
301 size_t etype; /* 0 = expression, others are operators */
305 ast_block *block; /* for commas and function calls */
314 #define SY_PAREN_EXPR '('
315 #define SY_PAREN_FUNC 'f'
316 #define SY_PAREN_INDEX '['
318 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
329 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
333 e.out = (ast_expression*)v;
340 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
342 e.etype = 1 + (op - operators);
351 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
363 # define DEBUGSHUNTDO(x) x
365 # define DEBUGSHUNTDO(x)
368 /* With regular precedence rules, ent.foo[n] is the same as (ent.foo)[n],
369 * so we need to rotate it to become ent.(foo[n]).
371 static bool rotate_entfield_array_index_nodes(ast_expression **out)
373 ast_array_index *index;
374 ast_entfield *entfield;
378 ast_expression *entity;
380 lex_ctx ctx = ast_ctx(*out);
382 if (!ast_istype(*out, ast_array_index))
384 index = (ast_array_index*)*out;
386 if (!ast_istype(index->array, ast_entfield))
388 entfield = (ast_entfield*)index->array;
390 if (!ast_istype(entfield->field, ast_value))
392 field = (ast_value*)entfield->field;
395 entity = entfield->entity;
399 index = ast_array_index_new(ctx, (ast_expression*)field, sub);
400 entfield = ast_entfield_new(ctx, entity, (ast_expression*)index);
401 *out = (ast_expression*)entfield;
406 static bool parser_sy_pop(parser_t *parser, shunt *sy)
410 ast_expression *out = NULL;
411 ast_expression *exprs[3];
412 ast_block *blocks[3];
413 ast_value *asvalue[3];
415 qcint generated_op = 0;
420 if (!vec_size(sy->ops)) {
421 parseerror(parser, "internal error: missing operator");
425 if (sy->ops[vec_size(sy->ops)-1].paren) {
426 parseerror(parser, "unmatched parenthesis");
430 op = &operators[sy->ops[vec_size(sy->ops)-1].etype - 1];
431 ctx = sy->ops[vec_size(sy->ops)-1].ctx;
433 DEBUGSHUNTDO(con_out("apply %s\n", op->op));
435 if (vec_size(sy->out) < op->operands) {
436 parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", vec_size(sy->out),
437 op->op, (int)op->id);
441 vec_shrinkby(sy->ops, 1);
443 vec_shrinkby(sy->out, op->operands);
444 for (i = 0; i < op->operands; ++i) {
445 exprs[i] = sy->out[vec_size(sy->out)+i].out;
446 blocks[i] = sy->out[vec_size(sy->out)+i].block;
447 asvalue[i] = (ast_value*)exprs[i];
450 if (blocks[0] && !vec_size(blocks[0]->exprs) && op->id != opid1(',')) {
451 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
455 #define NotSameType(T) \
456 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
457 exprs[0]->expression.vtype != T)
458 #define CanConstFold1(A) \
459 (ast_istype((A), ast_value) && ((ast_value*)(A))->isconst)
460 #define CanConstFold(A, B) \
461 (CanConstFold1(A) && CanConstFold1(B))
462 #define ConstV(i) (asvalue[(i)]->constval.vvec)
463 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
464 #define ConstS(i) (asvalue[(i)]->constval.vstring)
468 parseerror(parser, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
472 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
473 if (exprs[1]->expression.vtype != TYPE_FIELD) {
474 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
477 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
479 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
480 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
484 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
490 if (exprs[0]->expression.vtype != TYPE_ARRAY &&
491 !(exprs[0]->expression.vtype == TYPE_FIELD &&
492 exprs[0]->expression.next->expression.vtype == TYPE_ARRAY))
494 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
495 parseerror(parser, "cannot index value of type %s", ty1);
498 if (exprs[1]->expression.vtype != TYPE_FLOAT) {
499 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
500 parseerror(parser, "index must be of type float, not %s", ty1);
503 out = (ast_expression*)ast_array_index_new(ctx, exprs[0], exprs[1]);
504 if (rotate_entfield_array_index_nodes(&out))
506 if (opts_standard != COMPILER_GMQCC) {
507 /* this error doesn't need to make us bail out */
508 (void)!parsewarning(parser, WARN_EXTENSIONS,
509 "accessing array-field members of an entity without parenthesis\n"
510 " -> this is an extension from -std=gmqcc");
517 vec_push(blocks[0]->exprs, exprs[1]);
519 blocks[0] = ast_block_new(ctx);
520 vec_push(blocks[0]->exprs, exprs[0]);
521 vec_push(blocks[0]->exprs, exprs[1]);
523 if (!ast_block_set_type(blocks[0], exprs[1]))
526 vec_push(sy->out, syblock(ctx, blocks[0]));
530 switch (exprs[0]->expression.vtype) {
532 if (CanConstFold1(exprs[0]))
533 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
535 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
536 (ast_expression*)parser_const_float_0(parser),
540 if (CanConstFold1(exprs[0]))
541 out = (ast_expression*)parser_const_vector_f(parser,
542 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
544 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
545 (ast_expression*)parser_const_vector_0(parser),
549 parseerror(parser, "invalid types used in expression: cannot negate type %s",
550 type_name[exprs[0]->expression.vtype]);
556 switch (exprs[0]->expression.vtype) {
558 if (CanConstFold1(exprs[0]))
559 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
561 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
564 if (CanConstFold1(exprs[0]))
565 out = (ast_expression*)parser_const_float(parser,
566 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
568 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
571 if (CanConstFold1(exprs[0]))
572 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
574 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
576 /* we don't constant-fold NOT for these types */
578 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
581 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
584 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
585 type_name[exprs[0]->expression.vtype]);
591 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
592 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
594 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
595 type_name[exprs[0]->expression.vtype],
596 type_name[exprs[1]->expression.vtype]);
599 switch (exprs[0]->expression.vtype) {
601 if (CanConstFold(exprs[0], exprs[1]))
603 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
606 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
609 if (CanConstFold(exprs[0], exprs[1]))
610 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
612 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
615 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
616 type_name[exprs[0]->expression.vtype],
617 type_name[exprs[1]->expression.vtype]);
622 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
623 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
625 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
626 type_name[exprs[1]->expression.vtype],
627 type_name[exprs[0]->expression.vtype]);
630 switch (exprs[0]->expression.vtype) {
632 if (CanConstFold(exprs[0], exprs[1]))
633 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
635 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
638 if (CanConstFold(exprs[0], exprs[1]))
639 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
641 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
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]);
651 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
652 exprs[0]->expression.vtype != TYPE_VECTOR &&
653 exprs[0]->expression.vtype != TYPE_FLOAT &&
654 exprs[1]->expression.vtype != TYPE_VECTOR &&
655 exprs[1]->expression.vtype != TYPE_FLOAT)
657 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
658 type_name[exprs[1]->expression.vtype],
659 type_name[exprs[0]->expression.vtype]);
662 switch (exprs[0]->expression.vtype) {
664 if (exprs[1]->expression.vtype == TYPE_VECTOR)
666 if (CanConstFold(exprs[0], exprs[1]))
667 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
669 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
673 if (CanConstFold(exprs[0], exprs[1]))
674 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
676 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
680 if (exprs[1]->expression.vtype == TYPE_FLOAT)
682 if (CanConstFold(exprs[0], exprs[1]))
683 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
685 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
689 if (CanConstFold(exprs[0], exprs[1]))
690 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
692 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
696 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
697 type_name[exprs[1]->expression.vtype],
698 type_name[exprs[0]->expression.vtype]);
703 if (NotSameType(TYPE_FLOAT)) {
704 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
705 type_name[exprs[0]->expression.vtype],
706 type_name[exprs[1]->expression.vtype]);
709 if (CanConstFold(exprs[0], exprs[1]))
710 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
712 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
716 parseerror(parser, "qc does not have a modulo operator");
720 if (NotSameType(TYPE_FLOAT)) {
721 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
722 type_name[exprs[0]->expression.vtype],
723 type_name[exprs[1]->expression.vtype]);
726 if (CanConstFold(exprs[0], exprs[1]))
727 out = (ast_expression*)parser_const_float(parser,
728 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
729 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
731 out = (ast_expression*)ast_binary_new(ctx,
732 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
736 parseerror(parser, "TODO: bitxor");
741 case opid3('<','<','='):
742 case opid3('>','>','='):
743 parseerror(parser, "TODO: shifts");
747 generated_op += 1; /* INSTR_OR */
749 generated_op += INSTR_AND;
750 if (NotSameType(TYPE_FLOAT)) {
751 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
752 type_name[exprs[0]->expression.vtype],
753 type_name[exprs[1]->expression.vtype]);
754 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
755 parseerror(parser, "TODO: optional early out");
758 if (opts_standard == COMPILER_GMQCC)
759 con_out("TODO: early out logic\n");
760 if (CanConstFold(exprs[0], exprs[1]))
761 out = (ast_expression*)parser_const_float(parser,
762 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
764 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
768 generated_op += 1; /* INSTR_GT */
770 generated_op += 1; /* INSTR_LT */
771 case opid2('>', '='):
772 generated_op += 1; /* INSTR_GE */
773 case opid2('<', '='):
774 generated_op += INSTR_LE;
775 if (NotSameType(TYPE_FLOAT)) {
776 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
777 type_name[exprs[0]->expression.vtype],
778 type_name[exprs[1]->expression.vtype]);
781 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
783 case opid2('!', '='):
784 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
785 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
786 type_name[exprs[0]->expression.vtype],
787 type_name[exprs[1]->expression.vtype]);
790 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
792 case opid2('=', '='):
793 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
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, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
803 if (ast_istype(exprs[0], ast_entfield)) {
804 ast_expression *field = ((ast_entfield*)exprs[0])->field;
805 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
806 exprs[0]->expression.vtype == TYPE_FIELD &&
807 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
809 assignop = type_storep_instr[TYPE_VECTOR];
812 assignop = type_storep_instr[exprs[0]->expression.vtype];
813 if (!ast_compare_type(field->expression.next, exprs[1])) {
814 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
815 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
816 if (opts_standard == COMPILER_QCC &&
817 field->expression.next->expression.vtype == TYPE_FUNCTION &&
818 exprs[1]->expression.vtype == TYPE_FUNCTION)
820 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
821 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
827 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
832 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
833 exprs[0]->expression.vtype == TYPE_FIELD &&
834 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
836 assignop = type_store_instr[TYPE_VECTOR];
839 assignop = type_store_instr[exprs[0]->expression.vtype];
842 if (assignop == AINSTR_END) {
843 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
844 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
845 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
847 else if (!ast_compare_type(exprs[0], exprs[1])) {
848 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
849 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
850 if (opts_standard == COMPILER_QCC &&
851 exprs[0]->expression.vtype == TYPE_FUNCTION &&
852 exprs[1]->expression.vtype == TYPE_FUNCTION)
854 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
855 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
861 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
864 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
868 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
869 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
871 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
872 type_name[exprs[0]->expression.vtype],
873 type_name[exprs[1]->expression.vtype]);
876 if (ast_istype(exprs[0], ast_entfield))
877 assignop = type_storep_instr[exprs[0]->expression.vtype];
879 assignop = type_store_instr[exprs[0]->expression.vtype];
880 switch (exprs[0]->expression.vtype) {
882 out = (ast_expression*)ast_binstore_new(ctx, assignop,
883 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
887 out = (ast_expression*)ast_binstore_new(ctx, assignop,
888 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
892 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
893 type_name[exprs[0]->expression.vtype],
894 type_name[exprs[1]->expression.vtype]);
902 parseerror(parser, "failed to apply operand %s", op->op);
906 DEBUGSHUNTDO(con_out("applied %s\n", op->op));
907 vec_push(sy->out, syexp(ctx, out));
911 static bool parser_close_call(parser_t *parser, shunt *sy)
913 /* was a function call */
920 vec_shrinkby(sy->ops, 1);
921 fid = sy->ops[vec_size(sy->ops)].off;
923 /* out[fid] is the function
924 * everything above is parameters...
926 * 1 params = ast_expression
930 if (vec_size(sy->out) < 1 || vec_size(sy->out) <= fid) {
931 parseerror(parser, "internal error: function call needs function and parameter list...");
935 fun = sy->out[fid].out;
937 call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
939 parseerror(parser, "out of memory");
943 if (fid+1 == vec_size(sy->out)) {
946 } else if (fid+2 == vec_size(sy->out)) {
948 vec_shrinkby(sy->out, 1);
949 params = sy->out[vec_size(sy->out)].block;
953 vec_push(call->params, sy->out[vec_size(sy->out)].out);
955 paramcount = vec_size(params->exprs);
956 call->params = params->exprs;
957 params->exprs = NULL;
960 if (!ast_call_check_types(call))
963 parseerror(parser, "invalid function call");
967 /* overwrite fid, the function, with a call */
968 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
970 if (fun->expression.vtype != TYPE_FUNCTION) {
971 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
975 if (!fun->expression.next) {
976 parseerror(parser, "could not determine function return type");
979 if (vec_size(fun->expression.params) != paramcount &&
980 !(fun->expression.variadic &&
981 vec_size(fun->expression.params) < paramcount))
984 const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
986 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
987 if (opts_standard == COMPILER_GMQCC)
990 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
991 " -> `%s` has been declared here: %s:%i",
992 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
993 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
995 parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
996 " -> `%s` has been declared here: %s:%i",
997 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
998 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1004 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1005 "too %s parameters for call to %s: expected %i, got %i\n"
1006 " -> `%s` has been declared here: %s:%i",
1007 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1008 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1010 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1011 "too %s parameters for function call: expected %i, got %i\n"
1012 " -> `%s` has been declared here: %s:%i",
1013 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1014 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1022 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1024 if (!vec_size(sy->ops)) {
1025 parseerror(parser, "unmatched closing paren");
1028 /* this would for bit a + (x) because there are no operators inside (x)
1029 if (sy->ops[vec_size(sy->ops)-1].paren == 1) {
1030 parseerror(parser, "empty parenthesis expression");
1034 while (vec_size(sy->ops)) {
1035 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_FUNC) {
1036 if (!parser_close_call(parser, sy))
1040 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_EXPR) {
1041 vec_shrinkby(sy->ops, 1);
1042 return !functions_only;
1044 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_INDEX) {
1047 /* pop off the parenthesis */
1048 vec_shrinkby(sy->ops, 1);
1049 /* then apply the index operator */
1050 if (!parser_sy_pop(parser, sy))
1054 if (!parser_sy_pop(parser, sy))
1060 static void parser_reclassify_token(parser_t *parser)
1063 for (i = 0; i < operator_count; ++i) {
1064 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1065 parser->tok = TOKEN_OPERATOR;
1071 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma)
1073 ast_expression *expr = NULL;
1075 bool wantop = false;
1076 bool gotmemberof = false;
1078 /* count the parens because an if starts with one, so the
1079 * end of a condition is an unmatched closing paren
1086 parser->lex->flags.noops = false;
1088 parser_reclassify_token(parser);
1093 gotmemberof = false;
1095 parser->memberof = 0;
1097 if (parser->tok == TOKEN_IDENT)
1099 ast_expression *var;
1101 parseerror(parser, "expected operator or end of statement");
1106 if (opts_standard == COMPILER_GMQCC)
1108 if (parser->memberof == TYPE_ENTITY) {
1109 /* still get vars first since there could be a fieldpointer */
1110 var = parser_find_var(parser, parser_tokval(parser));
1112 var = parser_find_field(parser, parser_tokval(parser));
1114 else if (parser->memberof == TYPE_VECTOR)
1116 parseerror(parser, "TODO: implement effective vector member access");
1119 else if (parser->memberof) {
1120 parseerror(parser, "namespace for member not found");
1124 var = parser_find_var(parser, parser_tokval(parser));
1126 var = parser_find_var(parser, parser_tokval(parser));
1128 var = parser_find_field(parser, parser_tokval(parser));
1131 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1134 if (ast_istype(var, ast_value))
1135 ((ast_value*)var)->uses++;
1136 vec_push(sy.out, syexp(parser_ctx(parser), var));
1137 DEBUGSHUNTDO(con_out("push %s\n", parser_tokval(parser)));
1139 else if (parser->tok == TOKEN_FLOATCONST) {
1142 parseerror(parser, "expected operator or end of statement, got constant");
1146 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1149 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1150 DEBUGSHUNTDO(con_out("push %g\n", parser_token(parser)->constval.f));
1152 else if (parser->tok == TOKEN_INTCONST) {
1155 parseerror(parser, "expected operator or end of statement, got constant");
1159 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1162 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1163 DEBUGSHUNTDO(con_out("push %i\n", parser_token(parser)->constval.i));
1165 else if (parser->tok == TOKEN_STRINGCONST) {
1168 parseerror(parser, "expected operator or end of statement, got constant");
1172 val = parser_const_string(parser, parser_tokval(parser));
1175 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1176 DEBUGSHUNTDO(con_out("push string\n"));
1178 else if (parser->tok == TOKEN_VECTORCONST) {
1181 parseerror(parser, "expected operator or end of statement, got constant");
1185 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1188 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1189 DEBUGSHUNTDO(con_out("push '%g %g %g'\n",
1190 parser_token(parser)->constval.v.x,
1191 parser_token(parser)->constval.v.y,
1192 parser_token(parser)->constval.v.z));
1194 else if (parser->tok == '(') {
1195 parseerror(parser, "internal error: '(' should be classified as operator");
1198 else if (parser->tok == '[') {
1199 parseerror(parser, "internal error: '[' should be classified as operator");
1202 else if (parser->tok == ')') {
1204 DEBUGSHUNTDO(con_out("do[op] )\n"));
1208 /* we do expect an operator next */
1209 /* closing an opening paren */
1210 if (!parser_close_paren(parser, &sy, false))
1213 DEBUGSHUNTDO(con_out("do[nop] )\n"));
1217 /* allowed for function calls */
1218 if (!parser_close_paren(parser, &sy, true))
1223 else if (parser->tok == ']') {
1225 parseerror(parser, "operand expected");
1229 if (!parser_close_paren(parser, &sy, false))
1233 else if (parser->tok != TOKEN_OPERATOR) {
1235 parseerror(parser, "expected operator or end of statement");
1242 /* classify the operator */
1243 /* TODO: suffix operators */
1244 const oper_info *op;
1245 const oper_info *olast = NULL;
1247 for (o = 0; o < operator_count; ++o) {
1248 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1249 !(operators[o].flags & OP_SUFFIX) && /* remove this */
1250 !strcmp(parser_tokval(parser), operators[o].op))
1255 if (o == operator_count) {
1256 /* no operator found... must be the end of the statement */
1259 /* found an operator */
1262 /* when declaring variables, a comma starts a new variable */
1263 if (op->id == opid1(',') && !parens && stopatcomma) {
1264 /* fixup the token */
1269 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1270 olast = &operators[vec_last(sy.ops).etype-1];
1273 (op->prec < olast->prec) ||
1274 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1276 if (!parser_sy_pop(parser, &sy))
1278 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1279 olast = &operators[vec_last(sy.ops).etype-1];
1284 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1285 /* for gmqcc standard: open up the namespace of the previous type */
1286 ast_expression *prevex = vec_last(sy.out).out;
1288 parseerror(parser, "unexpected member operator");
1291 if (prevex->expression.vtype == TYPE_ENTITY)
1292 parser->memberof = TYPE_ENTITY;
1293 else if (prevex->expression.vtype == TYPE_VECTOR)
1294 parser->memberof = TYPE_VECTOR;
1296 parseerror(parser, "type error: type has no members");
1302 if (op->id == opid1('(')) {
1304 size_t sycount = vec_size(sy.out);
1305 DEBUGSHUNTDO(con_out("push [op] (\n"));
1307 /* we expected an operator, this is the function-call operator */
1308 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_FUNC, sycount-1));
1311 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0));
1312 DEBUGSHUNTDO(con_out("push [nop] (\n"));
1315 } else if (op->id == opid1('[')) {
1317 parseerror(parser, "unexpected array subscript");
1321 /* push both the operator and the paren, this makes life easier */
1322 vec_push(sy.ops, syop(parser_ctx(parser), op));
1323 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0));
1326 DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
1327 vec_push(sy.ops, syop(parser_ctx(parser), op));
1331 if (!parser_next(parser)) {
1334 if (parser->tok == ';' || (!parens && parser->tok == ']')) {
1339 while (vec_size(sy.ops)) {
1340 if (!parser_sy_pop(parser, &sy))
1344 parser->lex->flags.noops = true;
1345 if (!vec_size(sy.out)) {
1346 parseerror(parser, "empty expression");
1349 expr = sy.out[0].out;
1352 DEBUGSHUNTDO(con_out("shunt done\n"));
1356 parser->lex->flags.noops = true;
1362 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma)
1364 ast_expression *e = parse_expression_leave(parser, stopatcomma);
1367 if (!parser_next(parser)) {
1374 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1377 ast_expression *cond, *ontrue, *onfalse = NULL;
1380 lex_ctx ctx = parser_ctx(parser);
1382 /* skip the 'if', parse an optional 'not' and check for an opening paren */
1383 if (!parser_next(parser)) {
1384 parseerror(parser, "expected condition or 'not'");
1387 if (parser->tok == TOKEN_KEYWORD && !strcmp(parser_tokval(parser), "not")) {
1389 if (!parser_next(parser)) {
1390 parseerror(parser, "expected condition in parenthesis");
1394 if (parser->tok != '(') {
1395 parseerror(parser, "expected 'if' condition in parenthesis");
1398 /* parse into the expression */
1399 if (!parser_next(parser)) {
1400 parseerror(parser, "expected 'if' condition after opening paren");
1403 /* parse the condition */
1404 cond = parse_expression_leave(parser, false);
1408 if (parser->tok != ')') {
1409 parseerror(parser, "expected closing paren after 'if' condition");
1413 /* parse into the 'then' branch */
1414 if (!parser_next(parser)) {
1415 parseerror(parser, "expected statement for on-true branch of 'if'");
1419 ontrue = parse_statement_or_block(parser);
1424 /* check for an else */
1425 if (!strcmp(parser_tokval(parser), "else")) {
1426 /* parse into the 'else' branch */
1427 if (!parser_next(parser)) {
1428 parseerror(parser, "expected on-false branch after 'else'");
1433 onfalse = parse_statement_or_block(parser);
1442 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
1444 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1445 *out = (ast_expression*)ifthen;
1449 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1452 ast_expression *cond, *ontrue;
1454 lex_ctx ctx = parser_ctx(parser);
1456 /* skip the 'while' and check for opening paren */
1457 if (!parser_next(parser) || parser->tok != '(') {
1458 parseerror(parser, "expected 'while' condition in parenthesis");
1461 /* parse into the expression */
1462 if (!parser_next(parser)) {
1463 parseerror(parser, "expected 'while' condition after opening paren");
1466 /* parse the condition */
1467 cond = parse_expression_leave(parser, false);
1471 if (parser->tok != ')') {
1472 parseerror(parser, "expected closing paren after 'while' condition");
1476 /* parse into the 'then' branch */
1477 if (!parser_next(parser)) {
1478 parseerror(parser, "expected while-loop body");
1482 ontrue = parse_statement_or_block(parser);
1488 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1489 *out = (ast_expression*)aloop;
1493 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1496 ast_expression *cond, *ontrue;
1498 lex_ctx ctx = parser_ctx(parser);
1500 /* skip the 'do' and get the body */
1501 if (!parser_next(parser)) {
1502 parseerror(parser, "expected loop body");
1505 ontrue = parse_statement_or_block(parser);
1509 /* expect the "while" */
1510 if (parser->tok != TOKEN_KEYWORD ||
1511 strcmp(parser_tokval(parser), "while"))
1513 parseerror(parser, "expected 'while' and condition");
1518 /* skip the 'while' and check for opening paren */
1519 if (!parser_next(parser) || parser->tok != '(') {
1520 parseerror(parser, "expected 'while' condition in parenthesis");
1524 /* parse into the expression */
1525 if (!parser_next(parser)) {
1526 parseerror(parser, "expected 'while' condition after opening paren");
1530 /* parse the condition */
1531 cond = parse_expression_leave(parser, false);
1535 if (parser->tok != ')') {
1536 parseerror(parser, "expected closing paren after 'while' condition");
1542 if (!parser_next(parser) || parser->tok != ';') {
1543 parseerror(parser, "expected semicolon after condition");
1549 if (!parser_next(parser)) {
1550 parseerror(parser, "parse error");
1556 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1557 *out = (ast_expression*)aloop;
1561 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1564 ast_expression *initexpr, *cond, *increment, *ontrue;
1565 size_t oldblocklocal;
1568 lex_ctx ctx = parser_ctx(parser);
1570 oldblocklocal = parser->blocklocal;
1571 parser->blocklocal = vec_size(parser->locals);
1578 /* skip the 'while' and check for opening paren */
1579 if (!parser_next(parser) || parser->tok != '(') {
1580 parseerror(parser, "expected 'for' expressions in parenthesis");
1583 /* parse into the expression */
1584 if (!parser_next(parser)) {
1585 parseerror(parser, "expected 'for' initializer after opening paren");
1589 if (parser->tok == TOKEN_TYPENAME) {
1590 if (opts_standard != COMPILER_GMQCC) {
1591 if (parsewarning(parser, WARN_EXTENSIONS,
1592 "current standard does not allow variable declarations in for-loop initializers"))
1596 parseerror(parser, "TODO: assignment of new variables to be non-const");
1598 if (!parse_variable(parser, block, true))
1601 else if (parser->tok != ';')
1603 initexpr = parse_expression_leave(parser, false);
1608 /* move on to condition */
1609 if (parser->tok != ';') {
1610 parseerror(parser, "expected semicolon after for-loop initializer");
1613 if (!parser_next(parser)) {
1614 parseerror(parser, "expected for-loop condition");
1618 /* parse the condition */
1619 if (parser->tok != ';') {
1620 cond = parse_expression_leave(parser, false);
1625 /* move on to incrementor */
1626 if (parser->tok != ';') {
1627 parseerror(parser, "expected semicolon after for-loop initializer");
1630 if (!parser_next(parser)) {
1631 parseerror(parser, "expected for-loop condition");
1635 /* parse the incrementor */
1636 if (parser->tok != ')') {
1637 increment = parse_expression_leave(parser, false);
1640 if (!ast_istype(increment, ast_store) &&
1641 !ast_istype(increment, ast_call) &&
1642 !ast_istype(increment, ast_binstore))
1644 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
1650 if (parser->tok != ')') {
1651 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
1654 /* parse into the 'then' branch */
1655 if (!parser_next(parser)) {
1656 parseerror(parser, "expected for-loop body");
1659 ontrue = parse_statement_or_block(parser);
1664 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
1665 *out = (ast_expression*)aloop;
1667 while (vec_size(parser->locals) > parser->blocklocal)
1668 retval = retval && parser_pop_local(parser);
1669 parser->blocklocal = oldblocklocal;
1672 if (initexpr) ast_delete(initexpr);
1673 if (cond) ast_delete(cond);
1674 if (increment) ast_delete(increment);
1675 while (vec_size(parser->locals) > parser->blocklocal)
1676 (void)!parser_pop_local(parser);
1677 parser->blocklocal = oldblocklocal;
1681 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
1683 ast_expression *exp = NULL;
1684 ast_return *ret = NULL;
1685 ast_value *expected = parser->function->vtype;
1687 if (!parser_next(parser)) {
1688 parseerror(parser, "expected return expression");
1692 if (parser->tok != ';') {
1693 exp = parse_expression(parser, false);
1697 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
1698 parseerror(parser, "return with invalid expression");
1701 ret = ast_return_new(exp->expression.node.context, exp);
1707 if (!parser_next(parser))
1708 parseerror(parser, "parse error");
1709 if (expected->expression.next->expression.vtype != TYPE_VOID) {
1710 if (opts_standard != COMPILER_GMQCC)
1711 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
1713 parseerror(parser, "return without value");
1715 ret = ast_return_new(parser_ctx(parser), NULL);
1717 *out = (ast_expression*)ret;
1721 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
1723 if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
1725 /* local variable */
1727 parseerror(parser, "cannot declare a variable from here");
1730 if (opts_standard == COMPILER_QCC) {
1731 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
1734 if (!parse_variable(parser, block, false))
1739 else if (parser->tok == TOKEN_KEYWORD)
1741 if (!strcmp(parser_tokval(parser), "local"))
1744 parseerror(parser, "cannot declare a local variable here");
1747 if (!parser_next(parser)) {
1748 parseerror(parser, "expected variable declaration");
1751 if (!parse_variable(parser, block, true))
1756 else if (!strcmp(parser_tokval(parser), "return"))
1758 return parse_return(parser, block, out);
1760 else if (!strcmp(parser_tokval(parser), "if"))
1762 return parse_if(parser, block, out);
1764 else if (!strcmp(parser_tokval(parser), "while"))
1766 return parse_while(parser, block, out);
1768 else if (!strcmp(parser_tokval(parser), "do"))
1770 return parse_dowhile(parser, block, out);
1772 else if (!strcmp(parser_tokval(parser), "for"))
1774 if (opts_standard == COMPILER_QCC) {
1775 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
1778 return parse_for(parser, block, out);
1780 parseerror(parser, "Unexpected keyword");
1783 else if (parser->tok == '{')
1786 inner = parse_block(parser, false);
1789 *out = (ast_expression*)inner;
1794 ast_expression *exp = parse_expression(parser, false);
1798 if (!ast_istype(exp, ast_store) &&
1799 !ast_istype(exp, ast_call) &&
1800 !ast_istype(exp, ast_binstore))
1802 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
1809 static bool GMQCC_WARN parser_pop_local(parser_t *parser)
1814 ve = &vec_last(parser->locals);
1815 if (ast_istype(ve->var, ast_value) && !(((ast_value*)(ve->var))->uses)) {
1816 if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", ve->name))
1820 vec_pop(parser->locals);
1824 static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
1826 size_t oldblocklocal;
1829 oldblocklocal = parser->blocklocal;
1830 parser->blocklocal = vec_size(parser->locals);
1832 if (!parser_next(parser)) { /* skip the '{' */
1833 parseerror(parser, "expected function body");
1837 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
1839 ast_expression *expr;
1840 if (parser->tok == '}')
1843 if (!parse_statement(parser, block, &expr)) {
1844 /* parseerror(parser, "parse error"); */
1850 vec_push(block->exprs, expr);
1853 if (parser->tok != '}') {
1856 if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
1858 if (!vec_size(block->exprs) ||
1859 !ast_istype(vec_last(block->exprs), ast_return))
1861 if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
1867 (void)parser_next(parser);
1871 while (vec_size(parser->locals) > parser->blocklocal)
1872 retval = retval && parser_pop_local(parser);
1873 parser->blocklocal = oldblocklocal;
1877 static ast_block* parse_block(parser_t *parser, bool warnreturn)
1880 block = ast_block_new(parser_ctx(parser));
1883 if (!parse_block_into(parser, block, warnreturn)) {
1884 ast_block_delete(block);
1890 static ast_expression* parse_statement_or_block(parser_t *parser)
1892 ast_expression *expr = NULL;
1893 if (parser->tok == '{')
1894 return (ast_expression*)parse_block(parser, false);
1895 if (!parse_statement(parser, NULL, &expr))
1901 static bool create_vector_members(parser_t *parser, ast_value *var, varentry_t *ve)
1904 size_t len = strlen(var->name);
1906 for (i = 0; i < 3; ++i) {
1907 ve[i].var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, i);
1911 ve[i].name = (char*)mem_a(len+3);
1913 ast_delete(ve[i].var);
1917 memcpy(ve[i].name, var->name, len);
1918 ve[i].name[len] = '_';
1919 ve[i].name[len+1] = 'x'+i;
1920 ve[i].name[len+2] = 0;
1929 ast_delete(ve[i].var);
1936 static bool parse_function_body(parser_t *parser, ast_value *var)
1938 ast_block *block = NULL;
1943 ast_expression *framenum = NULL;
1944 ast_expression *nextthink = NULL;
1945 /* None of the following have to be deleted */
1946 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
1947 ast_expression *gbl_time = NULL, *gbl_self = NULL;
1948 bool has_frame_think;
1952 has_frame_think = false;
1953 old = parser->function;
1955 if (var->expression.variadic) {
1956 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
1957 "variadic function with implementation will not be able to access additional parameters"))
1963 if (parser->tok == '[') {
1964 /* got a frame definition: [ framenum, nextthink ]
1965 * this translates to:
1966 * self.frame = framenum;
1967 * self.nextthink = time + 0.1;
1968 * self.think = nextthink;
1972 fld_think = parser_find_field(parser, "think");
1973 fld_nextthink = parser_find_field(parser, "nextthink");
1974 fld_frame = parser_find_field(parser, "frame");
1975 if (!fld_think || !fld_nextthink || !fld_frame) {
1976 parseerror(parser, "cannot use [frame,think] notation without the required fields");
1977 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
1980 gbl_time = parser_find_global(parser, "time");
1981 gbl_self = parser_find_global(parser, "self");
1982 if (!gbl_time || !gbl_self) {
1983 parseerror(parser, "cannot use [frame,think] notation without the required globals");
1984 parseerror(parser, "please declare the following globals: `time`, `self`");
1988 if (!parser_next(parser))
1991 framenum = parse_expression_leave(parser, true);
1993 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
1996 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->isconst) {
1997 ast_unref(framenum);
1998 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2002 if (parser->tok != ',') {
2003 ast_unref(framenum);
2004 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2005 parseerror(parser, "Got a %i\n", parser->tok);
2009 if (!parser_next(parser)) {
2010 ast_unref(framenum);
2014 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2016 /* qc allows the use of not-yet-declared functions here
2017 * - this automatically creates a prototype */
2019 ast_value *thinkfunc;
2020 ast_expression *functype = fld_think->expression.next;
2022 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2023 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2024 ast_unref(framenum);
2025 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2029 if (!parser_next(parser)) {
2030 ast_unref(framenum);
2031 ast_delete(thinkfunc);
2035 varent.var = (ast_expression*)thinkfunc;
2036 varent.name = util_strdup(thinkfunc->name);
2037 vec_push(parser->globals, varent);
2038 nextthink = (ast_expression*)thinkfunc;
2041 nextthink = parse_expression_leave(parser, true);
2043 ast_unref(framenum);
2044 parseerror(parser, "expected a think-function in [frame,think] notation");
2049 if (!ast_istype(nextthink, ast_value)) {
2050 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2054 if (retval && parser->tok != ']') {
2055 parseerror(parser, "expected closing `]` for [frame,think] notation");
2059 if (retval && !parser_next(parser)) {
2063 if (retval && parser->tok != '{') {
2064 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2069 ast_unref(nextthink);
2070 ast_unref(framenum);
2074 has_frame_think = true;
2077 block = ast_block_new(parser_ctx(parser));
2079 parseerror(parser, "failed to allocate block");
2080 if (has_frame_think) {
2081 ast_unref(nextthink);
2082 ast_unref(framenum);
2087 if (has_frame_think) {
2089 ast_expression *self_frame;
2090 ast_expression *self_nextthink;
2091 ast_expression *self_think;
2092 ast_expression *time_plus_1;
2093 ast_store *store_frame;
2094 ast_store *store_nextthink;
2095 ast_store *store_think;
2097 ctx = parser_ctx(parser);
2098 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2099 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2100 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2102 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2103 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2105 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2106 if (self_frame) ast_delete(self_frame);
2107 if (self_nextthink) ast_delete(self_nextthink);
2108 if (self_think) ast_delete(self_think);
2109 if (time_plus_1) ast_delete(time_plus_1);
2115 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2116 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2117 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2120 ast_delete(self_frame);
2123 if (!store_nextthink) {
2124 ast_delete(self_nextthink);
2128 ast_delete(self_think);
2132 if (store_frame) ast_delete(store_frame);
2133 if (store_nextthink) ast_delete(store_nextthink);
2134 if (store_think) ast_delete(store_think);
2137 vec_push(block->exprs, (ast_expression*)store_frame);
2138 vec_push(block->exprs, (ast_expression*)store_nextthink);
2139 vec_push(block->exprs, (ast_expression*)store_think);
2143 parseerror(parser, "failed to generate code for [frame,think]");
2144 ast_unref(nextthink);
2145 ast_unref(framenum);
2151 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2154 ast_value *param = var->expression.params[parami];
2156 if (param->expression.vtype != TYPE_VECTOR &&
2157 (param->expression.vtype != TYPE_FIELD ||
2158 param->expression.next->expression.vtype != TYPE_VECTOR))
2163 if (!create_vector_members(parser, param, ve)) {
2164 ast_block_delete(block);
2168 for (e = 0; e < 3; ++e) {
2169 vec_push(parser->locals, ve[e]);
2170 ast_block_collect(block, ve[e].var);
2171 ve[e].var = NULL; /* collected */
2175 func = ast_function_new(ast_ctx(var), var->name, var);
2177 parseerror(parser, "failed to allocate function for `%s`", var->name);
2178 ast_block_delete(block);
2181 vec_push(parser->functions, func);
2183 parser->function = func;
2184 if (!parse_block_into(parser, block, true)) {
2185 ast_block_delete(block);
2189 vec_push(func->blocks, block);
2191 parser->function = old;
2192 while (vec_size(parser->locals))
2193 retval = retval && parser_pop_local(parser);
2195 if (parser->tok == ';')
2196 return parser_next(parser);
2197 else if (opts_standard == COMPILER_QCC)
2198 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2202 vec_pop(parser->functions);
2203 ast_function_delete(func);
2204 var->constval.vfunc = NULL;
2207 while (vec_size(parser->locals)) {
2208 mem_d(vec_last(parser->locals).name);
2209 vec_pop(parser->locals);
2211 parser->function = old;
2215 static ast_expression *array_accessor_split(
2220 ast_expression *left,
2221 ast_expression *right
2227 lex_ctx ctx = ast_ctx(array);
2229 if (!left || !right) {
2230 if (left) ast_delete(left);
2231 if (right) ast_delete(right);
2235 cmp = ast_binary_new(ctx, INSTR_LT,
2236 (ast_expression*)index,
2237 (ast_expression*)parser_const_float(parser, middle));
2241 parseerror(parser, "internal error: failed to create comparison for array setter");
2245 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2247 ast_delete(cmp); /* will delete left and right */
2248 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2252 return (ast_expression*)ifthen;
2255 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2257 lex_ctx ctx = ast_ctx(array);
2259 if (from+1 == afterend) {
2263 ast_array_index *subscript;
2264 int assignop = type_store_instr[value->expression.vtype];
2266 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2267 assignop = INSTR_STORE_V;
2269 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2273 ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2275 ast_delete(subscript);
2279 block = ast_block_new(ctx);
2285 vec_push(block->exprs, (ast_expression*)st);
2287 ret = ast_return_new(ctx, NULL);
2293 vec_push(block->exprs, (ast_expression*)ret);
2295 return (ast_expression*)block;
2297 ast_expression *left, *right;
2298 size_t diff = afterend - from;
2299 size_t middle = from + diff/2;
2300 left = array_setter_node(parser, array, index, value, from, middle);
2301 right = array_setter_node(parser, array, index, value, middle, afterend);
2302 return array_accessor_split(parser, array, index, middle, left, right);
2306 static ast_expression *array_field_setter_node(
2315 lex_ctx ctx = ast_ctx(array);
2317 if (from+1 == afterend) {
2321 ast_entfield *entfield;
2322 ast_array_index *subscript;
2323 int assignop = type_storep_instr[value->expression.vtype];
2325 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2326 assignop = INSTR_STOREP_V;
2328 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2332 entfield = ast_entfield_new_force(ctx,
2333 (ast_expression*)entity,
2334 (ast_expression*)subscript,
2335 (ast_expression*)subscript);
2337 ast_delete(subscript);
2341 ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2343 ast_delete(entfield);
2347 block = ast_block_new(ctx);
2353 vec_push(block->exprs, (ast_expression*)st);
2355 ret = ast_return_new(ctx, NULL);
2361 vec_push(block->exprs, (ast_expression*)ret);
2363 return (ast_expression*)block;
2365 ast_expression *left, *right;
2366 size_t diff = afterend - from;
2367 size_t middle = from + diff/2;
2368 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
2369 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
2370 return array_accessor_split(parser, array, index, middle, left, right);
2374 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
2376 lex_ctx ctx = ast_ctx(array);
2378 if (from+1 == afterend) {
2380 ast_array_index *subscript;
2382 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2386 ret = ast_return_new(ctx, (ast_expression*)subscript);
2388 ast_delete(subscript);
2392 return (ast_expression*)ret;
2394 ast_expression *left, *right;
2395 size_t diff = afterend - from;
2396 size_t middle = from + diff/2;
2397 left = array_getter_node(parser, array, index, from, middle);
2398 right = array_getter_node(parser, array, index, middle, afterend);
2399 return array_accessor_split(parser, array, index, middle, left, right);
2403 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
2405 ast_function *func = NULL;
2406 ast_value *fval = NULL;
2407 ast_block *body = NULL;
2409 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
2411 parseerror(parser, "failed to create accessor function value");
2415 func = ast_function_new(ast_ctx(array), funcname, fval);
2418 parseerror(parser, "failed to create accessor function node");
2422 body = ast_block_new(ast_ctx(array));
2424 parseerror(parser, "failed to create block for array accessor");
2430 vec_push(func->blocks, body);
2433 vec_push(parser->accessors, fval);
2438 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
2440 ast_expression *root = NULL;
2441 ast_value *index = NULL;
2442 ast_value *value = NULL;
2446 if (!ast_istype(array->expression.next, ast_value)) {
2447 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2451 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2453 func = fval->constval.vfunc;
2454 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
2456 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2457 value = ast_value_copy((ast_value*)array->expression.next);
2459 if (!index || !value) {
2460 parseerror(parser, "failed to create locals for array accessor");
2463 (void)!ast_value_set_name(value, "value"); /* not important */
2464 vec_push(fval->expression.params, index);
2465 vec_push(fval->expression.params, value);
2467 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
2469 parseerror(parser, "failed to build accessor search tree");
2473 vec_push(func->blocks[0]->exprs, root);
2474 array->setter = fval;
2477 if (index) ast_delete(index);
2478 if (value) ast_delete(value);
2479 if (root) ast_delete(root);
2485 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
2487 ast_expression *root = NULL;
2488 ast_value *entity = NULL;
2489 ast_value *index = NULL;
2490 ast_value *value = NULL;
2494 if (!ast_istype(array->expression.next, ast_value)) {
2495 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2499 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2501 func = fval->constval.vfunc;
2502 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
2504 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
2505 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2506 value = ast_value_copy((ast_value*)array->expression.next);
2507 if (!entity || !index || !value) {
2508 parseerror(parser, "failed to create locals for array accessor");
2511 (void)!ast_value_set_name(value, "value"); /* not important */
2512 vec_push(fval->expression.params, entity);
2513 vec_push(fval->expression.params, index);
2514 vec_push(fval->expression.params, value);
2516 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
2518 parseerror(parser, "failed to build accessor search tree");
2522 vec_push(func->blocks[0]->exprs, root);
2523 array->setter = fval;
2526 if (entity) ast_delete(entity);
2527 if (index) ast_delete(index);
2528 if (value) ast_delete(value);
2529 if (root) ast_delete(root);
2535 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
2537 ast_expression *root = NULL;
2538 ast_value *index = NULL;
2542 /* NOTE: checking array->expression.next rather than elemtype since
2543 * for fields elemtype is a temporary fieldtype.
2545 if (!ast_istype(array->expression.next, ast_value)) {
2546 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
2550 if (!parser_create_array_accessor(parser, array, funcname, &fval))
2552 func = fval->constval.vfunc;
2553 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
2555 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
2558 parseerror(parser, "failed to create locals for array accessor");
2561 vec_push(fval->expression.params, index);
2563 root = array_getter_node(parser, array, index, 0, array->expression.count);
2565 parseerror(parser, "failed to build accessor search tree");
2569 vec_push(func->blocks[0]->exprs, root);
2570 array->getter = fval;
2573 if (index) ast_delete(index);
2574 if (root) ast_delete(root);
2580 static ast_value *parse_typename(parser_t *parser, ast_value **storebase);
2581 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
2589 bool variadic = false;
2591 ctx = parser_ctx(parser);
2593 /* for the sake of less code we parse-in in this function */
2594 if (!parser_next(parser)) {
2595 parseerror(parser, "expected parameter list");
2601 /* parse variables until we hit a closing paren */
2602 while (parser->tok != ')') {
2604 /* there must be commas between them */
2605 if (parser->tok != ',') {
2606 parseerror(parser, "expected comma or end of parameter list");
2609 if (!parser_next(parser)) {
2610 parseerror(parser, "expected parameter");
2616 if (parser->tok == TOKEN_DOTS) {
2617 /* '...' indicates a varargs function */
2619 if (!parser_next(parser)) {
2620 parseerror(parser, "expected parameter");
2623 if (parser->tok != ')') {
2624 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
2630 /* for anything else just parse a typename */
2631 param = parse_typename(parser, NULL);
2634 vec_push(params, param);
2635 if (param->expression.vtype >= TYPE_VARIANT) {
2636 char typename[1024];
2637 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
2638 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
2645 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
2646 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
2649 if (!parser_next(parser)) {
2650 parseerror(parser, "parse error after typename");
2654 /* now turn 'var' into a function type */
2655 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
2656 fval->expression.next = (ast_expression*)var;
2657 fval->expression.variadic = variadic;
2660 var->expression.params = params;
2667 for (i = 0; i < vec_size(params); ++i)
2668 ast_delete(params[i]);
2673 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
2675 ast_expression *cexp;
2676 ast_value *cval, *tmp;
2679 ctx = parser_ctx(parser);
2681 if (!parser_next(parser)) {
2683 parseerror(parser, "expected array-size");
2687 cexp = parse_expression_leave(parser, true);
2689 if (!cexp || !ast_istype(cexp, ast_value)) {
2693 parseerror(parser, "expected array-size as constant positive integer");
2696 cval = (ast_value*)cexp;
2698 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
2699 tmp->expression.next = (ast_expression*)var;
2702 if (cval->expression.vtype == TYPE_INTEGER)
2703 tmp->expression.count = cval->constval.vint;
2704 else if (cval->expression.vtype == TYPE_FLOAT)
2705 tmp->expression.count = cval->constval.vfloat;
2709 parseerror(parser, "array-size must be a positive integer constant");
2714 if (parser->tok != ']') {
2716 parseerror(parser, "expected ']' after array-size");
2719 if (!parser_next(parser)) {
2721 parseerror(parser, "error after parsing array size");
2727 /* Parse a complete typename.
2728 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
2729 * but when parsing variables separated by comma
2730 * 'storebase' should point to where the base-type should be kept.
2731 * The base type makes up every bit of type information which comes *before* the
2734 * The following will be parsed in its entirety:
2736 * The 'basetype' in this case is 'void()'
2737 * and if there's a comma after it, say:
2739 * then the type-information 'void()' can be stored in 'storebase'
2741 static ast_value *parse_typename(parser_t *parser, ast_value **storebase)
2743 ast_value *var, *tmp;
2746 const char *name = NULL;
2747 bool isfield = false;
2748 bool wasarray = false;
2750 ctx = parser_ctx(parser);
2752 /* types may start with a dot */
2753 if (parser->tok == '.') {
2755 /* if we parsed a dot we need a typename now */
2756 if (!parser_next(parser)) {
2757 parseerror(parser, "expected typename for field definition");
2760 if (parser->tok != TOKEN_TYPENAME) {
2761 parseerror(parser, "expected typename");
2766 /* generate the basic type value */
2767 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
2768 /* do not yet turn into a field - remember:
2769 * .void() foo; is a field too
2770 * .void()() foo; is a function
2774 if (!parser_next(parser)) {
2776 parseerror(parser, "parse error after typename");
2780 /* an opening paren now starts the parameter-list of a function
2781 * this is where original-QC has parameter lists.
2782 * We allow a single parameter list here.
2783 * Much like fteqcc we don't allow `float()() x`
2785 if (parser->tok == '(') {
2786 var = parse_parameter_list(parser, var);
2791 /* store the base if requested */
2793 *storebase = ast_value_copy(var);
2795 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
2796 tmp->expression.next = (ast_expression*)*storebase;
2801 /* there may be a name now */
2802 if (parser->tok == TOKEN_IDENT) {
2803 name = util_strdup(parser_tokval(parser));
2805 if (!parser_next(parser)) {
2807 parseerror(parser, "error after variable or field declaration");
2812 /* now this may be an array */
2813 if (parser->tok == '[') {
2815 var = parse_arraysize(parser, var);
2820 /* This is the point where we can turn it into a field */
2822 /* turn it into a field if desired */
2823 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
2824 tmp->expression.next = (ast_expression*)var;
2828 /* now there may be function parens again */
2829 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
2830 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2831 if (parser->tok == '(' && wasarray)
2832 parseerror(parser, "arrays as part of a return type is not supported");
2833 while (parser->tok == '(') {
2834 var = parse_parameter_list(parser, var);
2843 /* finally name it */
2845 if (!ast_value_set_name(var, name)) {
2847 parseerror(parser, "internal error: failed to set name");
2850 /* free the name, ast_value_set_name duplicates */
2857 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields)
2861 ast_expression *old;
2865 ast_value *basetype = NULL;
2867 bool isparam = false;
2868 bool isvector = false;
2869 bool cleanvar = true;
2870 bool wasarray = false;
2872 varentry_t varent, ve[3];
2874 /* get the first complete variable */
2875 var = parse_typename(parser, &basetype);
2878 ast_delete(basetype);
2882 memset(&varent, 0, sizeof(varent));
2883 memset(&ve, 0, sizeof(ve));
2889 /* Part 0: finish the type */
2890 if (parser->tok == '(') {
2891 if (opts_standard == COMPILER_QCC)
2892 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2893 var = parse_parameter_list(parser, var);
2899 /* we only allow 1-dimensional arrays */
2900 if (parser->tok == '[') {
2902 var = parse_arraysize(parser, var);
2908 if (parser->tok == '(' && wasarray) {
2909 parseerror(parser, "arrays as part of a return type is not supported");
2910 /* we'll still parse the type completely for now */
2912 /* for functions returning functions */
2913 while (parser->tok == '(') {
2914 if (opts_standard == COMPILER_QCC)
2915 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
2916 var = parse_parameter_list(parser, var);
2924 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
2925 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
2926 * is then filled with the previous definition and the parameter-names replaced.
2929 /* Deal with end_sys_ vars */
2931 if (!strcmp(var->name, "end_sys_globals")) {
2932 parser->crc_globals = vec_size(parser->globals);
2935 else if (!strcmp(var->name, "end_sys_fields")) {
2936 parser->crc_fields = vec_size(parser->fields);
2939 if (was_end && var->expression.vtype == TYPE_FIELD) {
2940 if (parsewarning(parser, WARN_END_SYS_FIELDS,
2941 "global '%s' hint should not be a field",
2942 parser_tokval(parser)))
2949 if (!nofields && var->expression.vtype == TYPE_FIELD)
2951 /* deal with field declarations */
2952 old = parser_find_field(parser, var->name);
2954 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
2955 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
2964 parseerror(parser, "field `%s` already declared here: %s:%i",
2965 var->name, ast_ctx(old).file, ast_ctx(old).line);
2970 if (opts_standard == COMPILER_QCC &&
2971 (old = parser_find_global(parser, var->name)))
2973 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
2974 parseerror(parser, "field `%s` already declared here: %s:%i",
2975 var->name, ast_ctx(old).file, ast_ctx(old).line);
2982 /* deal with other globals */
2983 old = parser_find_global(parser, var->name);
2984 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
2986 /* This is a function which had a prototype */
2987 if (!ast_istype(old, ast_value)) {
2988 parseerror(parser, "internal error: prototype is not an ast_value");
2992 proto = (ast_value*)old;
2993 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
2994 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
2996 ast_ctx(proto).file, ast_ctx(proto).line);
3000 /* we need the new parameter-names */
3001 for (i = 0; i < vec_size(proto->expression.params); ++i)
3002 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3010 parseerror(parser, "global `%s` already declared here: %s:%i",
3011 var->name, ast_ctx(old).file, ast_ctx(old).line);
3015 if (opts_standard == COMPILER_QCC &&
3016 (old = parser_find_field(parser, var->name)))
3018 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3019 parseerror(parser, "global `%s` already declared here: %s:%i",
3020 var->name, ast_ctx(old).file, ast_ctx(old).line);
3027 else /* it's not a global */
3029 old = parser_find_local(parser, var->name, parser->blocklocal, &isparam);
3030 if (old && !isparam) {
3031 parseerror(parser, "local `%s` already declared here: %s:%i",
3032 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3036 old = parser_find_local(parser, var->name, 0, &isparam);
3037 if (old && isparam) {
3038 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3039 "local `%s` is shadowing a parameter", var->name))
3041 parseerror(parser, "local `%s` already declared here: %s:%i",
3042 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3046 if (opts_standard != COMPILER_GMQCC) {
3055 * Create the global/local, and deal with vector types.
3058 if (var->expression.vtype == TYPE_VECTOR)
3060 else if (var->expression.vtype == TYPE_FIELD &&
3061 var->expression.next->expression.vtype == TYPE_VECTOR)
3065 if (!create_vector_members(parser, var, ve)) {
3071 varent.name = util_strdup(var->name);
3072 varent.var = (ast_expression*)var;
3075 /* deal with global variables, fields, functions */
3076 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3077 vec_push(parser->fields, varent);
3079 for (i = 0; i < 3; ++i)
3080 vec_push(parser->fields, ve[i]);
3084 vec_push(parser->globals, varent);
3086 for (i = 0; i < 3; ++i)
3087 vec_push(parser->globals, ve[i]);
3091 vec_push(parser->locals, varent);
3092 vec_push(localblock->locals, var);
3094 for (i = 0; i < 3; ++i) {
3095 vec_push(parser->locals, ve[i]);
3096 ast_block_collect(localblock, ve[i].var);
3097 ve[i].var = NULL; /* from here it's being collected in the block */
3103 ve[0].name = ve[1].name = ve[2].name = NULL;
3104 ve[0].var = ve[1].var = ve[2].var = NULL;
3110 if (var->expression.vtype == TYPE_ARRAY) {
3112 snprintf(name, sizeof(name), "%s##SET", var->name);
3113 if (!parser_create_array_setter(parser, var, name))
3115 snprintf(name, sizeof(name), "%s##GET", var->name);
3116 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3119 else if (!localblock && !nofields &&
3120 var->expression.vtype == TYPE_FIELD &&
3121 var->expression.next->expression.vtype == TYPE_ARRAY)
3124 ast_expression *telem;
3126 ast_value *array = (ast_value*)var->expression.next;
3128 if (!ast_istype(var->expression.next, ast_value)) {
3129 parseerror(parser, "internal error: field element type must be an ast_value");
3133 snprintf(name, sizeof(name), "%s##SETF", var->name);
3134 if (!parser_create_array_field_setter(parser, array, name))
3137 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3138 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3139 tfield->expression.next = telem;
3140 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3141 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3149 if (parser->tok == ';') {
3150 ast_delete(basetype);
3151 if (!parser_next(parser)) {
3152 parseerror(parser, "error after variable declaration");
3158 if (parser->tok == ',')
3161 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3162 parseerror(parser, "missing comma or semicolon while parsing variables");
3166 if (localblock && opts_standard == COMPILER_QCC) {
3167 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3168 "initializing expression turns variable `%s` into a constant in this standard",
3175 if (parser->tok != '{') {
3176 if (parser->tok != '=') {
3177 parseerror(parser, "missing semicolon or initializer");
3181 if (!parser_next(parser)) {
3182 parseerror(parser, "error parsing initializer");
3186 else if (opts_standard == COMPILER_QCC) {
3187 parseerror(parser, "expected '=' before function body in this standard");
3190 if (parser->tok == '#') {
3194 parseerror(parser, "cannot declare builtins within functions");
3197 if (var->expression.vtype != TYPE_FUNCTION) {
3198 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3201 if (!parser_next(parser)) {
3202 parseerror(parser, "expected builtin number");
3205 if (parser->tok != TOKEN_INTCONST) {
3206 parseerror(parser, "builtin number must be an integer constant");
3209 if (parser_token(parser)->constval.i <= 0) {
3210 parseerror(parser, "builtin number must be an integer greater than zero");
3214 func = ast_function_new(ast_ctx(var), var->name, var);
3216 parseerror(parser, "failed to allocate function for `%s`", var->name);
3219 vec_push(parser->functions, func);
3221 func->builtin = -parser_token(parser)->constval.i;
3223 if (!parser_next(parser)) {
3224 parseerror(parser, "expected comma or semicolon");
3225 ast_function_delete(func);
3226 var->constval.vfunc = NULL;
3230 else if (parser->tok == '{' || parser->tok == '[')
3233 parseerror(parser, "cannot declare functions within functions");
3237 if (!parse_function_body(parser, var))
3239 ast_delete(basetype);
3242 ast_expression *cexp;
3245 cexp = parse_expression_leave(parser, true);
3250 cval = (ast_value*)cexp;
3251 if (!ast_istype(cval, ast_value) || !cval->isconst)
3252 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
3255 var->isconst = true;
3256 if (cval->expression.vtype == TYPE_STRING)
3257 var->constval.vstring = parser_strdup(cval->constval.vstring);
3259 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
3263 shunt sy = { NULL, NULL };
3264 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
3265 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
3266 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
3267 if (!parser_sy_pop(parser, &sy))
3270 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
3271 parseerror(parser, "internal error: leaked operands");
3272 vec_push(localblock->exprs, (ast_expression*)sy.out[0].out);
3280 if (parser->tok == ',') {
3281 if (!parser_next(parser)) {
3282 parseerror(parser, "expected another variable");
3286 if (parser->tok != TOKEN_IDENT) {
3287 parseerror(parser, "expected another variable");
3290 var = ast_value_copy(basetype);
3292 ast_value_set_name(var, parser_tokval(parser));
3293 if (!parser_next(parser)) {
3294 parseerror(parser, "error parsing variable declaration");
3300 if (parser->tok != ';') {
3301 parseerror(parser, "missing semicolon after variables");
3305 if (!parser_next(parser)) {
3306 parseerror(parser, "parse error after variable declaration");
3310 ast_delete(basetype);
3314 if (cleanvar && var)
3316 ast_delete(basetype);
3320 ast_delete(basetype);
3321 if (cleanvar && var)
3323 if (varent.name) mem_d(varent.name);
3324 if (ve[0].name) mem_d(ve[0].name);
3325 if (ve[1].name) mem_d(ve[1].name);
3326 if (ve[2].name) mem_d(ve[2].name);
3327 if (ve[0].var) mem_d(ve[0].var);
3328 if (ve[1].var) mem_d(ve[1].var);
3329 if (ve[2].var) mem_d(ve[2].var);
3333 static bool parser_global_statement(parser_t *parser)
3335 if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
3337 return parse_variable(parser, NULL, false);
3339 else if (parser->tok == TOKEN_KEYWORD)
3341 /* handle 'var' and 'const' */
3342 if (!strcmp(parser_tokval(parser), "var")) {
3343 if (!parser_next(parser)) {
3344 parseerror(parser, "expected variable declaration after 'var'");
3347 return parse_variable(parser, NULL, true);
3351 else if (parser->tok == '$')
3353 if (!parser_next(parser)) {
3354 parseerror(parser, "parse error");
3360 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
3366 static parser_t *parser;
3371 parser = (parser_t*)mem_a(sizeof(parser_t));
3375 memset(parser, 0, sizeof(*parser));
3377 for (i = 0; i < operator_count; ++i) {
3378 if (operators[i].id == opid1('=')) {
3379 parser->assign_op = operators+i;
3383 if (!parser->assign_op) {
3384 printf("internal error: initializing parser: failed to find assign operator\n");
3391 bool parser_compile()
3393 /* initial lexer/parser state */
3394 parser->lex->flags.noops = true;
3396 if (parser_next(parser))
3398 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
3400 if (!parser_global_statement(parser)) {
3401 if (parser->tok == TOKEN_EOF)
3402 parseerror(parser, "unexpected eof");
3403 else if (!parser->errors)
3404 parseerror(parser, "there have been errors, bailing out");
3405 lex_close(parser->lex);
3411 parseerror(parser, "parse error");
3412 lex_close(parser->lex);
3417 lex_close(parser->lex);
3420 return !parser->errors;
3423 bool parser_compile_file(const char *filename)
3425 parser->lex = lex_open(filename);
3427 con_err("failed to open file \"%s\"\n", filename);
3430 return parser_compile();
3433 bool parser_compile_string_len(const char *name, const char *str, size_t len)
3435 parser->lex = lex_open_string(str, len, name);
3437 con_err("failed to create lexer for string \"%s\"\n", name);
3440 return parser_compile();
3443 bool parser_compile_string(const char *name, const char *str)
3445 parser->lex = lex_open_string(str, strlen(str), name);
3447 con_err("failed to create lexer for string \"%s\"\n", name);
3450 return parser_compile();
3453 void parser_cleanup()
3456 for (i = 0; i < vec_size(parser->accessors); ++i) {
3457 ast_delete(parser->accessors[i]->constval.vfunc);
3458 parser->accessors[i]->constval.vfunc = NULL;
3459 ast_delete(parser->accessors[i]);
3461 for (i = 0; i < vec_size(parser->functions); ++i) {
3462 ast_delete(parser->functions[i]);
3464 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
3465 ast_delete(parser->imm_vector[i]);
3467 for (i = 0; i < vec_size(parser->imm_string); ++i) {
3468 ast_delete(parser->imm_string[i]);
3470 for (i = 0; i < vec_size(parser->imm_float); ++i) {
3471 ast_delete(parser->imm_float[i]);
3473 for (i = 0; i < vec_size(parser->fields); ++i) {
3474 ast_delete(parser->fields[i].var);
3475 mem_d(parser->fields[i].name);
3477 for (i = 0; i < vec_size(parser->globals); ++i) {
3478 ast_delete(parser->globals[i].var);
3479 mem_d(parser->globals[i].name);
3481 vec_free(parser->accessors);
3482 vec_free(parser->functions);
3483 vec_free(parser->imm_vector);
3484 vec_free(parser->imm_string);
3485 vec_free(parser->imm_float);
3486 vec_free(parser->globals);
3487 vec_free(parser->fields);
3488 vec_free(parser->locals);
3493 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
3495 return util_crc16(old, str, strlen(str));
3498 static void progdefs_crc_file(const char *str)
3500 /* write to progdefs.h here */
3503 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
3505 old = progdefs_crc_sum(old, str);
3506 progdefs_crc_file(str);
3510 static void generate_checksum(parser_t *parser)
3512 uint16_t crc = 0xFFFF;
3515 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
3516 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
3518 progdefs_crc_file("\tint\tpad;\n");
3519 progdefs_crc_file("\tint\tofs_return[3];\n");
3520 progdefs_crc_file("\tint\tofs_parm0[3];\n");
3521 progdefs_crc_file("\tint\tofs_parm1[3];\n");
3522 progdefs_crc_file("\tint\tofs_parm2[3];\n");
3523 progdefs_crc_file("\tint\tofs_parm3[3];\n");
3524 progdefs_crc_file("\tint\tofs_parm4[3];\n");
3525 progdefs_crc_file("\tint\tofs_parm5[3];\n");
3526 progdefs_crc_file("\tint\tofs_parm6[3];\n");
3527 progdefs_crc_file("\tint\tofs_parm7[3];\n");
3529 for (i = 0; i < parser->crc_globals; ++i) {
3530 if (!ast_istype(parser->globals[i].var, ast_value))
3532 switch (parser->globals[i].var->expression.vtype) {
3533 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
3534 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
3535 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
3536 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
3538 crc = progdefs_crc_both(crc, "\tint\t");
3541 crc = progdefs_crc_both(crc, parser->globals[i].name);
3542 crc = progdefs_crc_both(crc, ";\n");
3544 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
3545 for (i = 0; i < parser->crc_fields; ++i) {
3546 if (!ast_istype(parser->fields[i].var, ast_value))
3548 switch (parser->fields[i].var->expression.next->expression.vtype) {
3549 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
3550 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
3551 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
3552 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
3554 crc = progdefs_crc_both(crc, "\tint\t");
3557 crc = progdefs_crc_both(crc, parser->fields[i].name);
3558 crc = progdefs_crc_both(crc, ";\n");
3560 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
3565 bool parser_finish(const char *output)
3571 if (!parser->errors)
3573 ir = ir_builder_new("gmqcc_out");
3575 con_out("failed to allocate builder\n");
3579 for (i = 0; i < vec_size(parser->fields); ++i) {
3582 if (!ast_istype(parser->fields[i].var, ast_value))
3584 field = (ast_value*)parser->fields[i].var;
3585 isconst = field->isconst;
3586 field->isconst = false;
3587 if (!ast_global_codegen((ast_value*)field, ir, true)) {
3588 con_out("failed to generate field %s\n", field->name);
3589 ir_builder_delete(ir);
3594 ast_expression *subtype;
3595 field->isconst = true;
3596 subtype = field->expression.next;
3597 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
3598 if (subtype->expression.vtype == TYPE_FIELD)
3599 ifld->fieldtype = subtype->expression.next->expression.vtype;
3600 else if (subtype->expression.vtype == TYPE_FUNCTION)
3601 ifld->outtype = subtype->expression.next->expression.vtype;
3602 (void)!ir_value_set_field(field->ir_v, ifld);
3605 for (i = 0; i < vec_size(parser->globals); ++i) {
3607 if (!ast_istype(parser->globals[i].var, ast_value))
3609 asvalue = (ast_value*)(parser->globals[i].var);
3610 if (!asvalue->uses && !asvalue->isconst && asvalue->expression.vtype != TYPE_FUNCTION) {
3611 if (strcmp(asvalue->name, "end_sys_globals") &&
3612 strcmp(asvalue->name, "end_sys_fields"))
3614 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
3615 "unused global: `%s`", asvalue->name);
3618 if (!ast_global_codegen(asvalue, ir, false)) {
3619 con_out("failed to generate global %s\n", parser->globals[i].name);
3620 ir_builder_delete(ir);
3624 for (i = 0; i < vec_size(parser->imm_float); ++i) {
3625 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
3626 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
3627 ir_builder_delete(ir);
3631 for (i = 0; i < vec_size(parser->imm_string); ++i) {
3632 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
3633 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
3634 ir_builder_delete(ir);
3638 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
3639 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
3640 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
3641 ir_builder_delete(ir);
3645 for (i = 0; i < vec_size(parser->globals); ++i) {
3647 if (!ast_istype(parser->globals[i].var, ast_value))
3649 asvalue = (ast_value*)(parser->globals[i].var);
3650 if (asvalue->setter) {
3651 if (!ast_global_codegen(asvalue->setter, ir, false) ||
3652 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
3653 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
3655 printf("failed to generate setter for %s\n", parser->globals[i].name);
3656 ir_builder_delete(ir);
3660 if (asvalue->getter) {
3661 if (!ast_global_codegen(asvalue->getter, ir, false) ||
3662 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
3663 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
3665 printf("failed to generate getter for %s\n", parser->globals[i].name);
3666 ir_builder_delete(ir);
3671 for (i = 0; i < vec_size(parser->fields); ++i) {
3673 asvalue = (ast_value*)(parser->fields[i].var->expression.next);
3675 if (!ast_istype((ast_expression*)asvalue, ast_value))
3677 if (asvalue->expression.vtype != TYPE_ARRAY)
3679 if (asvalue->setter) {
3680 if (!ast_global_codegen(asvalue->setter, ir, false) ||
3681 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
3682 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
3684 printf("failed to generate setter for %s\n", parser->fields[i].name);
3685 ir_builder_delete(ir);
3689 if (asvalue->getter) {
3690 if (!ast_global_codegen(asvalue->getter, ir, false) ||
3691 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
3692 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
3694 printf("failed to generate getter for %s\n", parser->fields[i].name);
3695 ir_builder_delete(ir);
3700 for (i = 0; i < vec_size(parser->functions); ++i) {
3701 if (!ast_function_codegen(parser->functions[i], ir)) {
3702 con_out("failed to generate function %s\n", parser->functions[i]->name);
3703 ir_builder_delete(ir);
3706 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
3707 con_out("failed to finalize function %s\n", parser->functions[i]->name);
3708 ir_builder_delete(ir);
3715 ir_builder_dump(ir, con_out);
3717 generate_checksum(parser);
3719 if (!ir_builder_generate(ir, output)) {
3720 con_out("*** failed to generate output file\n");
3721 ir_builder_delete(ir);
3726 ir_builder_delete(ir);
3730 con_out("*** there were compile errors\n");