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6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
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12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #define PARSER_HT_FIELDS 0
30 #define PARSER_HT_GLOBALS 1
31 /* beginning of locals */
32 #define PARSER_HT_LOCALS 2
34 #define PARSER_HT_SIZE 1024
35 #define TYPEDEF_HT_SIZE 16
41 ast_expression **globals;
42 ast_expression **fields;
43 ast_function **functions;
44 ast_value **imm_float;
45 ast_value **imm_string;
46 ast_value **imm_vector;
49 /* must be deleted first, they reference immediates and values */
50 ast_value **accessors;
52 ast_value *imm_float_zero;
53 ast_value *imm_float_one;
54 ast_value *imm_vector_zero;
59 ast_function *function;
61 /* All the labels the function defined...
62 * Should they be in ast_function instead?
67 /* A list of hashtables for each scope */
73 /* not to be used directly, we use the hash table */
74 ast_expression **_locals;
76 ast_value **_typedefs;
77 size_t *_blocktypedefs;
81 /* we store the '=' operator info */
82 const oper_info *assign_op;
84 /* TYPE_FIELD -> parser_find_fields is used instead of find_var
85 * TODO: TYPE_VECTOR -> x, y and z are accepted in the gmqcc standard
86 * anything else: type error
91 static void parser_enterblock(parser_t *parser);
92 static bool parser_leaveblock(parser_t *parser);
93 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e);
94 static bool parse_typedef(parser_t *parser);
95 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef);
96 static ast_block* parse_block(parser_t *parser);
97 static bool parse_block_into(parser_t *parser, ast_block *block);
98 static ast_expression* parse_statement_or_block(parser_t *parser);
99 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases);
100 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma);
101 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma);
103 static void parseerror(parser_t *parser, const char *fmt, ...)
110 con_vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
114 /* returns true if it counts as an error */
115 static bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
118 int lvl = LVL_WARNING;
120 if (!OPTS_WARN(warntype))
129 con_vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
135 static bool GMQCC_WARN genwarning(lex_ctx ctx, int warntype, const char *fmt, ...)
138 int lvl = LVL_WARNING;
140 if (!OPTS_WARN(warntype))
147 con_vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
153 /**********************************************************************
154 * some maths used for constant folding
157 vector vec3_add(vector a, vector b)
166 vector vec3_sub(vector a, vector b)
175 qcfloat vec3_mulvv(vector a, vector b)
177 return (a.x * b.x + a.y * b.y + a.z * b.z);
180 vector vec3_mulvf(vector a, float b)
189 /**********************************************************************
193 bool parser_next(parser_t *parser)
195 /* lex_do kills the previous token */
196 parser->tok = lex_do(parser->lex);
197 if (parser->tok == TOKEN_EOF)
199 if (parser->tok >= TOKEN_ERROR) {
200 parseerror(parser, "lex error");
206 #define parser_tokval(p) ((p)->lex->tok.value)
207 #define parser_token(p) (&((p)->lex->tok))
208 #define parser_ctx(p) ((p)->lex->tok.ctx)
210 static ast_value* parser_const_float(parser_t *parser, double d)
214 for (i = 0; i < vec_size(parser->imm_float); ++i) {
215 const double compare = parser->imm_float[i]->constval.vfloat;
216 if (memcmp((const void*)&compare, (const void *)&d, sizeof(double)) == 0)
217 return parser->imm_float[i];
219 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
221 out->hasvalue = true;
222 out->constval.vfloat = d;
223 vec_push(parser->imm_float, out);
227 static ast_value* parser_const_float_0(parser_t *parser)
229 if (!parser->imm_float_zero)
230 parser->imm_float_zero = parser_const_float(parser, 0);
231 return parser->imm_float_zero;
234 static ast_value* parser_const_float_1(parser_t *parser)
236 if (!parser->imm_float_one)
237 parser->imm_float_one = parser_const_float(parser, 1);
238 return parser->imm_float_one;
241 static char *parser_strdup(const char *str)
244 /* actually dup empty strings */
245 char *out = mem_a(1);
249 return util_strdup(str);
252 static ast_value* parser_const_string(parser_t *parser, const char *str, bool dotranslate)
256 for (i = 0; i < vec_size(parser->imm_string); ++i) {
257 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
258 return parser->imm_string[i];
262 snprintf(name, sizeof(name), "dotranslate_%lu", (unsigned long)(parser->translated++));
263 out = ast_value_new(parser_ctx(parser), name, TYPE_STRING);
265 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
267 out->hasvalue = true;
268 out->constval.vstring = parser_strdup(str);
269 vec_push(parser->imm_string, out);
273 static ast_value* parser_const_vector(parser_t *parser, vector v)
277 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
278 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
279 return parser->imm_vector[i];
281 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
283 out->hasvalue = true;
284 out->constval.vvec = v;
285 vec_push(parser->imm_vector, out);
289 static ast_value* parser_const_vector_f(parser_t *parser, float x, float y, float z)
295 return parser_const_vector(parser, v);
298 static ast_value* parser_const_vector_0(parser_t *parser)
300 if (!parser->imm_vector_zero)
301 parser->imm_vector_zero = parser_const_vector_f(parser, 0, 0, 0);
302 return parser->imm_vector_zero;
305 static ast_expression* parser_find_field(parser_t *parser, const char *name)
307 return util_htget(parser->htfields, name);
310 static ast_expression* parser_find_global(parser_t *parser, const char *name)
312 return util_htget(parser->htglobals, name);
315 static ast_expression* parser_find_param(parser_t *parser, const char *name)
319 if (!parser->function)
321 fun = parser->function->vtype;
322 for (i = 0; i < vec_size(fun->expression.params); ++i) {
323 if (!strcmp(fun->expression.params[i]->name, name))
324 return (ast_expression*)(fun->expression.params[i]);
329 static ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
334 hash = util_hthash(parser->htglobals, name);
337 for (i = vec_size(parser->variables); i > upto;) {
339 if ( (e = util_htgeth(parser->variables[i], name, hash)) )
343 return parser_find_param(parser, name);
346 static ast_expression* parser_find_var(parser_t *parser, const char *name)
350 v = parser_find_local(parser, name, 0, &dummy);
351 if (!v) v = parser_find_global(parser, name);
355 static ast_value* parser_find_typedef(parser_t *parser, const char *name, size_t upto)
359 hash = util_hthash(parser->typedefs[0], name);
361 for (i = vec_size(parser->typedefs); i > upto;) {
363 if ( (e = (ast_value*)util_htgeth(parser->typedefs[i], name, hash)) )
371 size_t etype; /* 0 = expression, others are operators */
375 ast_block *block; /* for commas and function calls */
384 #define SY_PAREN_EXPR '('
385 #define SY_PAREN_FUNC 'f'
386 #define SY_PAREN_INDEX '['
388 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
399 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
403 e.out = (ast_expression*)v;
410 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
412 e.etype = 1 + (op - operators);
421 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
433 # define DEBUGSHUNTDO(x) x
435 # define DEBUGSHUNTDO(x)
438 /* With regular precedence rules, ent.foo[n] is the same as (ent.foo)[n],
439 * so we need to rotate it to become ent.(foo[n]).
441 static bool rotate_entfield_array_index_nodes(ast_expression **out)
443 ast_array_index *index;
444 ast_entfield *entfield;
448 ast_expression *entity;
450 lex_ctx ctx = ast_ctx(*out);
452 if (!ast_istype(*out, ast_array_index))
454 index = (ast_array_index*)*out;
456 if (!ast_istype(index->array, ast_entfield))
458 entfield = (ast_entfield*)index->array;
460 if (!ast_istype(entfield->field, ast_value))
462 field = (ast_value*)entfield->field;
465 entity = entfield->entity;
469 index = ast_array_index_new(ctx, (ast_expression*)field, sub);
470 entfield = ast_entfield_new(ctx, entity, (ast_expression*)index);
471 *out = (ast_expression*)entfield;
476 static bool parser_sy_pop(parser_t *parser, shunt *sy)
480 ast_expression *out = NULL;
481 ast_expression *exprs[3];
482 ast_block *blocks[3];
483 ast_value *asvalue[3];
484 ast_binstore *asbinstore;
485 size_t i, assignop, addop, subop;
486 qcint generated_op = 0;
491 if (!vec_size(sy->ops)) {
492 parseerror(parser, "internal error: missing operator");
496 if (vec_last(sy->ops).paren) {
497 parseerror(parser, "unmatched parenthesis");
501 op = &operators[vec_last(sy->ops).etype - 1];
502 ctx = vec_last(sy->ops).ctx;
504 DEBUGSHUNTDO(con_out("apply %s\n", op->op));
506 if (vec_size(sy->out) < op->operands) {
507 parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", vec_size(sy->out),
508 op->op, (int)op->id);
512 vec_shrinkby(sy->ops, 1);
514 vec_shrinkby(sy->out, op->operands);
515 for (i = 0; i < op->operands; ++i) {
516 exprs[i] = sy->out[vec_size(sy->out)+i].out;
517 blocks[i] = sy->out[vec_size(sy->out)+i].block;
518 asvalue[i] = (ast_value*)exprs[i];
521 if (blocks[0] && !vec_size(blocks[0]->exprs) && op->id != opid1(',')) {
522 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
526 #define NotSameType(T) \
527 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
528 exprs[0]->expression.vtype != T)
529 #define CanConstFold1(A) \
530 (ast_istype((A), ast_value) && ((ast_value*)(A))->hasvalue && (((ast_value*)(A))->cvq == CV_CONST))
531 #define CanConstFold(A, B) \
532 (CanConstFold1(A) && CanConstFold1(B))
533 #define ConstV(i) (asvalue[(i)]->constval.vvec)
534 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
535 #define ConstS(i) (asvalue[(i)]->constval.vstring)
539 parseerror(parser, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
543 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
544 if (exprs[1]->expression.vtype != TYPE_FIELD) {
545 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
548 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
550 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
551 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
555 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
561 if (exprs[0]->expression.vtype != TYPE_ARRAY &&
562 !(exprs[0]->expression.vtype == TYPE_FIELD &&
563 exprs[0]->expression.next->expression.vtype == TYPE_ARRAY))
565 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
566 parseerror(parser, "cannot index value of type %s", ty1);
569 if (exprs[1]->expression.vtype != TYPE_FLOAT) {
570 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
571 parseerror(parser, "index must be of type float, not %s", ty1);
574 out = (ast_expression*)ast_array_index_new(ctx, exprs[0], exprs[1]);
575 if (rotate_entfield_array_index_nodes(&out))
577 if (opts_standard != COMPILER_GMQCC) {
578 /* this error doesn't need to make us bail out */
579 (void)!parsewarning(parser, WARN_EXTENSIONS,
580 "accessing array-field members of an entity without parenthesis\n"
581 " -> this is an extension from -std=gmqcc");
588 ast_block_add_expr(blocks[0], exprs[1]);
590 blocks[0] = ast_block_new(ctx);
591 ast_block_add_expr(blocks[0], exprs[0]);
592 ast_block_add_expr(blocks[0], exprs[1]);
594 if (!ast_block_set_type(blocks[0], exprs[1]))
597 vec_push(sy->out, syblock(ctx, blocks[0]));
604 switch (exprs[0]->expression.vtype) {
606 if (CanConstFold1(exprs[0]))
607 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
609 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
610 (ast_expression*)parser_const_float_0(parser),
614 if (CanConstFold1(exprs[0]))
615 out = (ast_expression*)parser_const_vector_f(parser,
616 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
618 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
619 (ast_expression*)parser_const_vector_0(parser),
623 parseerror(parser, "invalid types used in expression: cannot negate type %s",
624 type_name[exprs[0]->expression.vtype]);
630 switch (exprs[0]->expression.vtype) {
632 if (CanConstFold1(exprs[0]))
633 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
635 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
638 if (CanConstFold1(exprs[0]))
639 out = (ast_expression*)parser_const_float(parser,
640 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
642 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
645 if (CanConstFold1(exprs[0]))
646 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
648 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
650 /* we don't constant-fold NOT for these types */
652 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
655 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
658 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
659 type_name[exprs[0]->expression.vtype]);
665 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
666 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
668 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
669 type_name[exprs[0]->expression.vtype],
670 type_name[exprs[1]->expression.vtype]);
673 switch (exprs[0]->expression.vtype) {
675 if (CanConstFold(exprs[0], exprs[1]))
677 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
680 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
683 if (CanConstFold(exprs[0], exprs[1]))
684 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
686 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
689 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
690 type_name[exprs[0]->expression.vtype],
691 type_name[exprs[1]->expression.vtype]);
696 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
697 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
699 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
700 type_name[exprs[1]->expression.vtype],
701 type_name[exprs[0]->expression.vtype]);
704 switch (exprs[0]->expression.vtype) {
706 if (CanConstFold(exprs[0], exprs[1]))
707 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
709 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
712 if (CanConstFold(exprs[0], exprs[1]))
713 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
715 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
718 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
719 type_name[exprs[1]->expression.vtype],
720 type_name[exprs[0]->expression.vtype]);
725 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
726 exprs[0]->expression.vtype != TYPE_VECTOR &&
727 exprs[0]->expression.vtype != TYPE_FLOAT &&
728 exprs[1]->expression.vtype != TYPE_VECTOR &&
729 exprs[1]->expression.vtype != TYPE_FLOAT)
731 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
732 type_name[exprs[1]->expression.vtype],
733 type_name[exprs[0]->expression.vtype]);
736 switch (exprs[0]->expression.vtype) {
738 if (exprs[1]->expression.vtype == TYPE_VECTOR)
740 if (CanConstFold(exprs[0], exprs[1]))
741 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
743 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
747 if (CanConstFold(exprs[0], exprs[1]))
748 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
750 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
754 if (exprs[1]->expression.vtype == TYPE_FLOAT)
756 if (CanConstFold(exprs[0], exprs[1]))
757 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
759 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
763 if (CanConstFold(exprs[0], exprs[1]))
764 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
766 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
770 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
771 type_name[exprs[1]->expression.vtype],
772 type_name[exprs[0]->expression.vtype]);
777 if (NotSameType(TYPE_FLOAT)) {
778 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
779 type_name[exprs[0]->expression.vtype],
780 type_name[exprs[1]->expression.vtype]);
783 if (CanConstFold(exprs[0], exprs[1]))
784 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
786 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
790 parseerror(parser, "qc does not have a modulo operator");
794 if (NotSameType(TYPE_FLOAT)) {
795 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
796 type_name[exprs[0]->expression.vtype],
797 type_name[exprs[1]->expression.vtype]);
800 if (CanConstFold(exprs[0], exprs[1]))
801 out = (ast_expression*)parser_const_float(parser,
802 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
803 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
805 out = (ast_expression*)ast_binary_new(ctx,
806 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
810 parseerror(parser, "TODO: bitxor");
815 case opid3('<','<','='):
816 case opid3('>','>','='):
817 parseerror(parser, "TODO: shifts");
821 generated_op += 1; /* INSTR_OR */
823 generated_op += INSTR_AND;
825 if (NotSameType(TYPE_FLOAT)) {
826 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
827 type_name[exprs[0]->expression.vtype],
828 type_name[exprs[1]->expression.vtype]);
829 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
830 parseerror(parser, "TODO: optional early out");
834 if (opts_standard == COMPILER_GMQCC)
835 con_out("TODO: early out logic\n");
836 if (CanConstFold(exprs[0], exprs[1]))
837 out = (ast_expression*)parser_const_float(parser,
838 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
840 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
844 if (exprs[1]->expression.vtype != exprs[2]->expression.vtype) {
845 ast_type_to_string(exprs[1], ty1, sizeof(ty1));
846 ast_type_to_string(exprs[2], ty2, sizeof(ty2));
847 parseerror(parser, "operands of ternary expression must have the same type, got %s and %s", ty1, ty2);
850 if (CanConstFold1(exprs[0]))
851 out = (ConstF(0) ? exprs[1] : exprs[2]);
853 out = (ast_expression*)ast_ternary_new(ctx, exprs[0], exprs[1], exprs[2]);
857 generated_op += 1; /* INSTR_GT */
859 generated_op += 1; /* INSTR_LT */
860 case opid2('>', '='):
861 generated_op += 1; /* INSTR_GE */
862 case opid2('<', '='):
863 generated_op += INSTR_LE;
864 if (NotSameType(TYPE_FLOAT)) {
865 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
866 type_name[exprs[0]->expression.vtype],
867 type_name[exprs[1]->expression.vtype]);
870 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
872 case opid2('!', '='):
873 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
874 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
875 type_name[exprs[0]->expression.vtype],
876 type_name[exprs[1]->expression.vtype]);
879 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
881 case opid2('=', '='):
882 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
883 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
884 type_name[exprs[0]->expression.vtype],
885 type_name[exprs[1]->expression.vtype]);
888 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
892 if (ast_istype(exprs[0], ast_entfield)) {
893 ast_expression *field = ((ast_entfield*)exprs[0])->field;
894 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
895 exprs[0]->expression.vtype == TYPE_FIELD &&
896 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
898 assignop = type_storep_instr[TYPE_VECTOR];
901 assignop = type_storep_instr[exprs[0]->expression.vtype];
902 if (!ast_compare_type(field->expression.next, exprs[1])) {
903 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
904 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
905 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
906 field->expression.next->expression.vtype == TYPE_FUNCTION &&
907 exprs[1]->expression.vtype == TYPE_FUNCTION)
909 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
910 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
916 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
921 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
922 exprs[0]->expression.vtype == TYPE_FIELD &&
923 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
925 assignop = type_store_instr[TYPE_VECTOR];
928 assignop = type_store_instr[exprs[0]->expression.vtype];
931 if (assignop == AINSTR_END) {
932 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
933 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
934 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
936 else if (!ast_compare_type(exprs[0], exprs[1])) {
937 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
938 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
939 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
940 exprs[0]->expression.vtype == TYPE_FUNCTION &&
941 exprs[1]->expression.vtype == TYPE_FUNCTION)
943 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
944 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
950 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
953 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
954 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
956 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
958 case opid3('+','+','P'):
959 case opid3('-','-','P'):
961 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
962 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
963 parseerror(parser, "invalid type for prefix increment: %s", ty1);
966 if (op->id == opid3('+','+','P'))
970 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
971 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
973 if (ast_istype(exprs[0], ast_entfield)) {
974 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
976 (ast_expression*)parser_const_float_1(parser));
978 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
980 (ast_expression*)parser_const_float_1(parser));
983 case opid3('S','+','+'):
984 case opid3('S','-','-'):
986 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
987 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
988 parseerror(parser, "invalid type for suffix increment: %s", ty1);
991 if (op->id == opid3('S','+','+')) {
998 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
999 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1001 if (ast_istype(exprs[0], ast_entfield)) {
1002 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
1004 (ast_expression*)parser_const_float_1(parser));
1006 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
1008 (ast_expression*)parser_const_float_1(parser));
1012 out = (ast_expression*)ast_binary_new(ctx, subop,
1014 (ast_expression*)parser_const_float_1(parser));
1016 case opid2('+','='):
1017 case opid2('-','='):
1018 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
1019 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
1021 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1022 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1023 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1027 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1028 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1030 if (ast_istype(exprs[0], ast_entfield))
1031 assignop = type_storep_instr[exprs[0]->expression.vtype];
1033 assignop = type_store_instr[exprs[0]->expression.vtype];
1034 switch (exprs[0]->expression.vtype) {
1036 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1037 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
1038 exprs[0], exprs[1]);
1041 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1042 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
1043 exprs[0], exprs[1]);
1046 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1047 type_name[exprs[0]->expression.vtype],
1048 type_name[exprs[1]->expression.vtype]);
1052 case opid2('*','='):
1053 case opid2('/','='):
1054 if (exprs[1]->expression.vtype != TYPE_FLOAT ||
1055 !(exprs[0]->expression.vtype == TYPE_FLOAT ||
1056 exprs[0]->expression.vtype == TYPE_VECTOR))
1058 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1059 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1060 parseerror(parser, "invalid types used in expression: %s and %s",
1064 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1065 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1067 if (ast_istype(exprs[0], ast_entfield))
1068 assignop = type_storep_instr[exprs[0]->expression.vtype];
1070 assignop = type_store_instr[exprs[0]->expression.vtype];
1071 switch (exprs[0]->expression.vtype) {
1073 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1074 (op->id == opid2('*','=') ? INSTR_MUL_F : INSTR_DIV_F),
1075 exprs[0], exprs[1]);
1078 if (op->id == opid2('*','=')) {
1079 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1080 exprs[0], exprs[1]);
1082 /* there's no DIV_VF */
1083 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
1084 (ast_expression*)parser_const_float_1(parser),
1088 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1093 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1094 type_name[exprs[0]->expression.vtype],
1095 type_name[exprs[1]->expression.vtype]);
1099 case opid2('&','='):
1100 case opid2('|','='):
1101 if (NotSameType(TYPE_FLOAT)) {
1102 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1103 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1104 parseerror(parser, "invalid types used in expression: %s and %s",
1108 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1109 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1111 if (ast_istype(exprs[0], ast_entfield))
1112 assignop = type_storep_instr[exprs[0]->expression.vtype];
1114 assignop = type_store_instr[exprs[0]->expression.vtype];
1115 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1116 (op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
1117 exprs[0], exprs[1]);
1119 case opid3('&','~','='):
1120 /* This is like: a &= ~(b);
1121 * But QC has no bitwise-not, so we implement it as
1124 if (NotSameType(TYPE_FLOAT)) {
1125 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1126 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1127 parseerror(parser, "invalid types used in expression: %s and %s",
1131 if (ast_istype(exprs[0], ast_entfield))
1132 assignop = type_storep_instr[exprs[0]->expression.vtype];
1134 assignop = type_store_instr[exprs[0]->expression.vtype];
1135 out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
1138 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1139 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1141 asbinstore = ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
1142 asbinstore->keep_dest = true;
1143 out = (ast_expression*)asbinstore;
1149 parseerror(parser, "failed to apply operand %s", op->op);
1153 DEBUGSHUNTDO(con_out("applied %s\n", op->op));
1154 vec_push(sy->out, syexp(ctx, out));
1158 static bool parser_close_call(parser_t *parser, shunt *sy)
1160 /* was a function call */
1161 ast_expression *fun;
1167 vec_shrinkby(sy->ops, 1);
1168 fid = sy->ops[vec_size(sy->ops)].off;
1170 /* out[fid] is the function
1171 * everything above is parameters...
1172 * 0 params = nothing
1173 * 1 params = ast_expression
1177 if (vec_size(sy->out) < 1 || vec_size(sy->out) <= fid) {
1178 parseerror(parser, "internal error: function call needs function and parameter list...");
1182 fun = sy->out[fid].out;
1184 call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
1186 parseerror(parser, "out of memory");
1190 if (fid+1 == vec_size(sy->out)) {
1193 } else if (fid+2 == vec_size(sy->out)) {
1195 vec_shrinkby(sy->out, 1);
1196 params = sy->out[vec_size(sy->out)].block;
1200 vec_push(call->params, sy->out[vec_size(sy->out)].out);
1202 paramcount = vec_size(params->exprs);
1203 call->params = params->exprs;
1204 params->exprs = NULL;
1207 if (!ast_call_check_types(call))
1210 parseerror(parser, "invalid function call");
1214 /* overwrite fid, the function, with a call */
1215 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
1217 if (fun->expression.vtype != TYPE_FUNCTION) {
1218 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
1222 if (!fun->expression.next) {
1223 parseerror(parser, "could not determine function return type");
1226 if (vec_size(fun->expression.params) != paramcount &&
1227 !(fun->expression.variadic &&
1228 vec_size(fun->expression.params) < paramcount))
1231 const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
1233 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
1234 if (opts_standard == COMPILER_GMQCC)
1237 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
1238 " -> `%s` has been declared here: %s:%i",
1239 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1240 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1242 parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
1243 " -> `%s` has been declared here: %s:%i",
1244 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1245 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1251 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1252 "too %s parameters for call to %s: expected %i, got %i\n"
1253 " -> `%s` has been declared here: %s:%i",
1254 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1255 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1257 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1258 "too %s parameters for function call: expected %i, got %i\n"
1259 " -> `%s` has been declared here: %s:%i",
1260 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1261 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1269 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1271 if (!vec_size(sy->ops)) {
1272 parseerror(parser, "unmatched closing paren");
1275 /* this would for bit a + (x) because there are no operators inside (x)
1276 if (sy->ops[vec_size(sy->ops)-1].paren == 1) {
1277 parseerror(parser, "empty parenthesis expression");
1281 while (vec_size(sy->ops)) {
1282 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_FUNC) {
1283 if (!parser_close_call(parser, sy))
1287 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_EXPR) {
1288 vec_shrinkby(sy->ops, 1);
1289 return !functions_only;
1291 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_INDEX) {
1294 /* pop off the parenthesis */
1295 vec_shrinkby(sy->ops, 1);
1296 /* then apply the index operator */
1297 if (!parser_sy_pop(parser, sy))
1301 if (!parser_sy_pop(parser, sy))
1307 static void parser_reclassify_token(parser_t *parser)
1310 for (i = 0; i < operator_count; ++i) {
1311 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1312 parser->tok = TOKEN_OPERATOR;
1318 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma)
1320 ast_expression *expr = NULL;
1322 bool wantop = false;
1323 bool gotmemberof = false;
1325 /* count the parens because an if starts with one, so the
1326 * end of a condition is an unmatched closing paren
1334 parser->lex->flags.noops = false;
1336 parser_reclassify_token(parser);
1341 gotmemberof = false;
1343 parser->memberof = 0;
1345 if (OPTS_FLAG(TRANSLATABLE_STRINGS) &&
1346 parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "_"))
1348 /* a translatable string */
1352 parseerror(parser, "expected operator or end of statement, got constant");
1356 parser->lex->flags.noops = true;
1357 if (!parser_next(parser) || parser->tok != '(') {
1358 parseerror(parser, "use _(\"string\") to create a translatable string constant");
1361 parser->lex->flags.noops = false;
1362 if (!parser_next(parser) || parser->tok != TOKEN_STRINGCONST) {
1363 parseerror(parser, "expected a constant string in translatable-string extension");
1366 val = parser_const_string(parser, parser_tokval(parser), true);
1370 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1371 DEBUGSHUNTDO(con_out("push string\n"));
1373 if (!parser_next(parser) || parser->tok != ')') {
1374 parseerror(parser, "expected closing paren after translatable string");
1378 else if (parser->tok == TOKEN_IDENT)
1380 ast_expression *var;
1382 parseerror(parser, "expected operator or end of statement");
1387 if (opts_standard == COMPILER_GMQCC)
1389 if (parser->memberof == TYPE_ENTITY) {
1390 /* still get vars first since there could be a fieldpointer */
1391 var = parser_find_var(parser, parser_tokval(parser));
1393 var = parser_find_field(parser, parser_tokval(parser));
1395 else if (parser->memberof == TYPE_VECTOR)
1397 parseerror(parser, "TODO: implement effective vector member access");
1400 else if (parser->memberof) {
1401 parseerror(parser, "namespace for member not found");
1405 var = parser_find_var(parser, parser_tokval(parser));
1407 var = parser_find_var(parser, parser_tokval(parser));
1409 var = parser_find_field(parser, parser_tokval(parser));
1412 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1415 if (ast_istype(var, ast_value)) {
1416 ((ast_value*)var)->uses++;
1418 else if (ast_istype(var, ast_member)) {
1419 ast_member *mem = (ast_member*)var;
1420 if (ast_istype(mem->owner, ast_value))
1421 ((ast_value*)(mem->owner))->uses++;
1423 vec_push(sy.out, syexp(parser_ctx(parser), var));
1424 DEBUGSHUNTDO(con_out("push %s\n", parser_tokval(parser)));
1426 else if (parser->tok == TOKEN_FLOATCONST) {
1429 parseerror(parser, "expected operator or end of statement, got constant");
1433 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1436 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1437 DEBUGSHUNTDO(con_out("push %g\n", parser_token(parser)->constval.f));
1439 else if (parser->tok == TOKEN_INTCONST || parser->tok == TOKEN_CHARCONST) {
1442 parseerror(parser, "expected operator or end of statement, got constant");
1446 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1449 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1450 DEBUGSHUNTDO(con_out("push %i\n", parser_token(parser)->constval.i));
1452 else if (parser->tok == TOKEN_STRINGCONST) {
1455 parseerror(parser, "expected operator or end of statement, got constant");
1459 val = parser_const_string(parser, parser_tokval(parser), false);
1462 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1463 DEBUGSHUNTDO(con_out("push string\n"));
1465 else if (parser->tok == TOKEN_VECTORCONST) {
1468 parseerror(parser, "expected operator or end of statement, got constant");
1472 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1475 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1476 DEBUGSHUNTDO(con_out("push '%g %g %g'\n",
1477 parser_token(parser)->constval.v.x,
1478 parser_token(parser)->constval.v.y,
1479 parser_token(parser)->constval.v.z));
1481 else if (parser->tok == '(') {
1482 parseerror(parser, "internal error: '(' should be classified as operator");
1485 else if (parser->tok == '[') {
1486 parseerror(parser, "internal error: '[' should be classified as operator");
1489 else if (parser->tok == ')') {
1491 DEBUGSHUNTDO(con_out("do[op] )\n"));
1495 /* we do expect an operator next */
1496 /* closing an opening paren */
1497 if (!parser_close_paren(parser, &sy, false))
1500 DEBUGSHUNTDO(con_out("do[nop] )\n"));
1504 /* allowed for function calls */
1505 if (!parser_close_paren(parser, &sy, true))
1510 else if (parser->tok == ']') {
1512 parseerror(parser, "operand expected");
1516 if (!parser_close_paren(parser, &sy, false))
1520 else if (parser->tok != TOKEN_OPERATOR) {
1522 parseerror(parser, "expected operator or end of statement");
1529 /* classify the operator */
1530 const oper_info *op;
1531 const oper_info *olast = NULL;
1533 for (o = 0; o < operator_count; ++o) {
1534 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1535 /* !(operators[o].flags & OP_SUFFIX) && / * remove this */
1536 !strcmp(parser_tokval(parser), operators[o].op))
1541 if (o == operator_count) {
1542 /* no operator found... must be the end of the statement */
1545 /* found an operator */
1548 /* when declaring variables, a comma starts a new variable */
1549 if (op->id == opid1(',') && !parens && stopatcomma) {
1550 /* fixup the token */
1555 /* a colon without a pervious question mark cannot be a ternary */
1556 if (!ternaries && op->id == opid2(':','?')) {
1561 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1562 olast = &operators[vec_last(sy.ops).etype-1];
1565 (op->prec < olast->prec) ||
1566 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1568 if (!parser_sy_pop(parser, &sy))
1570 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1571 olast = &operators[vec_last(sy.ops).etype-1];
1576 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1577 /* for gmqcc standard: open up the namespace of the previous type */
1578 ast_expression *prevex = vec_last(sy.out).out;
1580 parseerror(parser, "unexpected member operator");
1583 if (prevex->expression.vtype == TYPE_ENTITY)
1584 parser->memberof = TYPE_ENTITY;
1585 else if (prevex->expression.vtype == TYPE_VECTOR)
1586 parser->memberof = TYPE_VECTOR;
1588 parseerror(parser, "type error: type has no members");
1594 if (op->id == opid1('(')) {
1596 size_t sycount = vec_size(sy.out);
1597 DEBUGSHUNTDO(con_out("push [op] (\n"));
1599 /* we expected an operator, this is the function-call operator */
1600 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_FUNC, sycount-1));
1603 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0));
1604 DEBUGSHUNTDO(con_out("push [nop] (\n"));
1607 } else if (op->id == opid1('[')) {
1609 parseerror(parser, "unexpected array subscript");
1613 /* push both the operator and the paren, this makes life easier */
1614 vec_push(sy.ops, syop(parser_ctx(parser), op));
1615 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0));
1617 } else if (op->id == opid2('?',':')) {
1619 vec_push(sy.ops, syop(parser_ctx(parser), op));
1622 } else if (op->id == opid2(':','?')) {
1623 /* we don't push this operator */
1627 DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
1628 vec_push(sy.ops, syop(parser_ctx(parser), op));
1629 wantop = !!(op->flags & OP_SUFFIX);
1632 if (!parser_next(parser)) {
1635 if (parser->tok == ';' ||
1636 (!parens && parser->tok == ']'))
1642 while (vec_size(sy.ops)) {
1643 if (!parser_sy_pop(parser, &sy))
1647 parser->lex->flags.noops = true;
1648 if (!vec_size(sy.out)) {
1649 parseerror(parser, "empty expression");
1652 expr = sy.out[0].out;
1655 DEBUGSHUNTDO(con_out("shunt done\n"));
1659 parser->lex->flags.noops = true;
1665 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma)
1667 ast_expression *e = parse_expression_leave(parser, stopatcomma);
1670 if (!parser_next(parser)) {
1677 static void parser_enterblock(parser_t *parser)
1679 vec_push(parser->variables, util_htnew(PARSER_HT_SIZE));
1680 vec_push(parser->_blocklocals, vec_size(parser->_locals));
1681 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
1682 vec_push(parser->_blocktypedefs, vec_size(parser->_typedefs));
1685 static bool parser_leaveblock(parser_t *parser)
1688 size_t locals, typedefs;
1690 if (vec_size(parser->variables) <= PARSER_HT_LOCALS) {
1691 parseerror(parser, "internal error: parser_leaveblock with no block");
1695 util_htdel(vec_last(parser->variables));
1696 vec_pop(parser->variables);
1697 if (!vec_size(parser->_blocklocals)) {
1698 parseerror(parser, "internal error: parser_leaveblock with no block (2)");
1702 locals = vec_last(parser->_blocklocals);
1703 vec_pop(parser->_blocklocals);
1704 while (vec_size(parser->_locals) != locals) {
1705 ast_expression *e = vec_last(parser->_locals);
1706 ast_value *v = (ast_value*)e;
1707 vec_pop(parser->_locals);
1708 if (ast_istype(e, ast_value) && !v->uses) {
1709 if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name))
1714 typedefs = vec_last(parser->_blocktypedefs);
1715 while (vec_size(parser->_typedefs) != typedefs) {
1716 ast_delete(vec_last(parser->_typedefs));
1717 vec_pop(parser->_typedefs);
1719 util_htdel(vec_last(parser->typedefs));
1720 vec_pop(parser->typedefs);
1725 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e)
1727 vec_push(parser->_locals, e);
1728 util_htset(vec_last(parser->variables), name, (void*)e);
1731 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1734 ast_expression *cond, *ontrue, *onfalse = NULL;
1737 lex_ctx ctx = parser_ctx(parser);
1739 (void)block; /* not touching */
1741 /* skip the 'if', parse an optional 'not' and check for an opening paren */
1742 if (!parser_next(parser)) {
1743 parseerror(parser, "expected condition or 'not'");
1746 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "not")) {
1748 if (!parser_next(parser)) {
1749 parseerror(parser, "expected condition in parenthesis");
1753 if (parser->tok != '(') {
1754 parseerror(parser, "expected 'if' condition in parenthesis");
1757 /* parse into the expression */
1758 if (!parser_next(parser)) {
1759 parseerror(parser, "expected 'if' condition after opening paren");
1762 /* parse the condition */
1763 cond = parse_expression_leave(parser, false);
1767 if (parser->tok != ')') {
1768 parseerror(parser, "expected closing paren after 'if' condition");
1772 /* parse into the 'then' branch */
1773 if (!parser_next(parser)) {
1774 parseerror(parser, "expected statement for on-true branch of 'if'");
1778 ontrue = parse_statement_or_block(parser);
1783 /* check for an else */
1784 if (!strcmp(parser_tokval(parser), "else")) {
1785 /* parse into the 'else' branch */
1786 if (!parser_next(parser)) {
1787 parseerror(parser, "expected on-false branch after 'else'");
1792 onfalse = parse_statement_or_block(parser);
1801 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
1803 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1804 *out = (ast_expression*)ifthen;
1808 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1811 ast_expression *cond, *ontrue;
1813 lex_ctx ctx = parser_ctx(parser);
1815 (void)block; /* not touching */
1817 /* skip the 'while' and check for opening paren */
1818 if (!parser_next(parser) || parser->tok != '(') {
1819 parseerror(parser, "expected 'while' condition in parenthesis");
1822 /* parse into the expression */
1823 if (!parser_next(parser)) {
1824 parseerror(parser, "expected 'while' condition after opening paren");
1827 /* parse the condition */
1828 cond = parse_expression_leave(parser, false);
1832 if (parser->tok != ')') {
1833 parseerror(parser, "expected closing paren after 'while' condition");
1837 /* parse into the 'then' branch */
1838 if (!parser_next(parser)) {
1839 parseerror(parser, "expected while-loop body");
1843 ontrue = parse_statement_or_block(parser);
1849 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1850 *out = (ast_expression*)aloop;
1854 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1857 ast_expression *cond, *ontrue;
1859 lex_ctx ctx = parser_ctx(parser);
1861 (void)block; /* not touching */
1863 /* skip the 'do' and get the body */
1864 if (!parser_next(parser)) {
1865 parseerror(parser, "expected loop body");
1868 ontrue = parse_statement_or_block(parser);
1872 /* expect the "while" */
1873 if (parser->tok != TOKEN_KEYWORD ||
1874 strcmp(parser_tokval(parser), "while"))
1876 parseerror(parser, "expected 'while' and condition");
1881 /* skip the 'while' and check for opening paren */
1882 if (!parser_next(parser) || parser->tok != '(') {
1883 parseerror(parser, "expected 'while' condition in parenthesis");
1887 /* parse into the expression */
1888 if (!parser_next(parser)) {
1889 parseerror(parser, "expected 'while' condition after opening paren");
1893 /* parse the condition */
1894 cond = parse_expression_leave(parser, false);
1898 if (parser->tok != ')') {
1899 parseerror(parser, "expected closing paren after 'while' condition");
1905 if (!parser_next(parser) || parser->tok != ';') {
1906 parseerror(parser, "expected semicolon after condition");
1912 if (!parser_next(parser)) {
1913 parseerror(parser, "parse error");
1919 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1920 *out = (ast_expression*)aloop;
1924 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1927 ast_expression *initexpr, *cond, *increment, *ontrue;
1931 lex_ctx ctx = parser_ctx(parser);
1933 parser_enterblock(parser);
1940 /* skip the 'while' and check for opening paren */
1941 if (!parser_next(parser) || parser->tok != '(') {
1942 parseerror(parser, "expected 'for' expressions in parenthesis");
1945 /* parse into the expression */
1946 if (!parser_next(parser)) {
1947 parseerror(parser, "expected 'for' initializer after opening paren");
1952 if (parser->tok == TOKEN_IDENT)
1953 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
1955 if (typevar || parser->tok == TOKEN_TYPENAME) {
1956 if (opts_standard != COMPILER_GMQCC) {
1957 if (parsewarning(parser, WARN_EXTENSIONS,
1958 "current standard does not allow variable declarations in for-loop initializers"))
1961 if (!parse_variable(parser, block, true, CV_VAR, typevar))
1964 else if (parser->tok != ';')
1966 initexpr = parse_expression_leave(parser, false);
1971 /* move on to condition */
1972 if (parser->tok != ';') {
1973 parseerror(parser, "expected semicolon after for-loop initializer");
1976 if (!parser_next(parser)) {
1977 parseerror(parser, "expected for-loop condition");
1981 /* parse the condition */
1982 if (parser->tok != ';') {
1983 cond = parse_expression_leave(parser, false);
1988 /* move on to incrementor */
1989 if (parser->tok != ';') {
1990 parseerror(parser, "expected semicolon after for-loop initializer");
1993 if (!parser_next(parser)) {
1994 parseerror(parser, "expected for-loop condition");
1998 /* parse the incrementor */
1999 if (parser->tok != ')') {
2000 increment = parse_expression_leave(parser, false);
2003 if (!ast_side_effects(increment)) {
2004 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2010 if (parser->tok != ')') {
2011 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
2014 /* parse into the 'then' branch */
2015 if (!parser_next(parser)) {
2016 parseerror(parser, "expected for-loop body");
2019 ontrue = parse_statement_or_block(parser);
2024 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
2025 *out = (ast_expression*)aloop;
2027 if (!parser_leaveblock(parser))
2031 if (initexpr) ast_delete(initexpr);
2032 if (cond) ast_delete(cond);
2033 if (increment) ast_delete(increment);
2034 (void)!parser_leaveblock(parser);
2038 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
2040 ast_expression *exp = NULL;
2041 ast_return *ret = NULL;
2042 ast_value *expected = parser->function->vtype;
2044 (void)block; /* not touching */
2046 if (!parser_next(parser)) {
2047 parseerror(parser, "expected return expression");
2051 if (parser->tok != ';') {
2052 exp = parse_expression(parser, false);
2056 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
2057 parseerror(parser, "return with invalid expression");
2060 ret = ast_return_new(exp->expression.node.context, exp);
2066 if (!parser_next(parser))
2067 parseerror(parser, "parse error");
2068 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2069 if (opts_standard != COMPILER_GMQCC)
2070 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2072 parseerror(parser, "return without value");
2074 ret = ast_return_new(parser_ctx(parser), NULL);
2076 *out = (ast_expression*)ret;
2080 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2082 lex_ctx ctx = parser_ctx(parser);
2084 (void)block; /* not touching */
2086 if (!parser_next(parser) || parser->tok != ';') {
2087 parseerror(parser, "expected semicolon");
2091 if (!parser_next(parser))
2092 parseerror(parser, "parse error");
2094 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
2098 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2100 ast_expression *operand;
2102 ast_switch *switchnode;
2103 ast_switch_case swcase;
2105 lex_ctx ctx = parser_ctx(parser);
2107 (void)block; /* not touching */
2110 /* parse over the opening paren */
2111 if (!parser_next(parser) || parser->tok != '(') {
2112 parseerror(parser, "expected switch operand in parenthesis");
2116 /* parse into the expression */
2117 if (!parser_next(parser)) {
2118 parseerror(parser, "expected switch operand");
2121 /* parse the operand */
2122 operand = parse_expression_leave(parser, false);
2126 switchnode = ast_switch_new(ctx, operand);
2129 if (parser->tok != ')') {
2130 ast_delete(switchnode);
2131 parseerror(parser, "expected closing paren after 'switch' operand");
2135 /* parse over the opening paren */
2136 if (!parser_next(parser) || parser->tok != '{') {
2137 ast_delete(switchnode);
2138 parseerror(parser, "expected list of cases");
2142 if (!parser_next(parser)) {
2143 ast_delete(switchnode);
2144 parseerror(parser, "expected 'case' or 'default'");
2149 while (parser->tok != '}') {
2150 ast_block *caseblock;
2152 if (parser->tok != TOKEN_KEYWORD) {
2153 ast_delete(switchnode);
2154 parseerror(parser, "expected 'case' or 'default'");
2157 if (!strcmp(parser_tokval(parser), "case")) {
2158 if (!parser_next(parser)) {
2159 ast_delete(switchnode);
2160 parseerror(parser, "expected expression for case");
2163 swcase.value = parse_expression_leave(parser, false);
2164 if (!swcase.value) {
2165 ast_delete(switchnode);
2166 parseerror(parser, "expected expression for case");
2169 if (!OPTS_FLAG(RELAXED_SWITCH)) {
2170 opval = (ast_value*)swcase.value;
2171 if (!ast_istype(swcase.value, ast_value)) { /* || opval->cvq != CV_CONST) { */
2172 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
2178 else if (!strcmp(parser_tokval(parser), "default")) {
2179 swcase.value = NULL;
2180 if (!parser_next(parser)) {
2181 ast_delete(switchnode);
2182 parseerror(parser, "expected colon");
2187 /* Now the colon and body */
2188 if (parser->tok != ':') {
2189 if (swcase.value) ast_unref(swcase.value);
2190 ast_delete(switchnode);
2191 parseerror(parser, "expected colon");
2195 if (!parser_next(parser)) {
2196 if (swcase.value) ast_unref(swcase.value);
2197 ast_delete(switchnode);
2198 parseerror(parser, "expected statements or case");
2201 caseblock = ast_block_new(parser_ctx(parser));
2203 if (swcase.value) ast_unref(swcase.value);
2204 ast_delete(switchnode);
2207 swcase.code = (ast_expression*)caseblock;
2208 vec_push(switchnode->cases, swcase);
2210 ast_expression *expr;
2211 if (parser->tok == '}')
2213 if (parser->tok == TOKEN_KEYWORD) {
2214 if (!strcmp(parser_tokval(parser), "case") ||
2215 !strcmp(parser_tokval(parser), "default"))
2220 if (!parse_statement(parser, caseblock, &expr, true)) {
2221 ast_delete(switchnode);
2226 ast_block_add_expr(caseblock, expr);
2231 if (parser->tok != '}') {
2232 ast_delete(switchnode);
2233 parseerror(parser, "expected closing paren of case list");
2236 if (!parser_next(parser)) {
2237 ast_delete(switchnode);
2238 parseerror(parser, "parse error after switch");
2241 *out = (ast_expression*)switchnode;
2245 static bool parse_goto(parser_t *parser, ast_expression **out)
2250 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2251 parseerror(parser, "expected label name after `goto`");
2255 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
2257 for (i = 0; i < vec_size(parser->labels); ++i) {
2258 if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
2259 ast_goto_set_label(gt, parser->labels[i]);
2263 if (i == vec_size(parser->labels))
2264 vec_push(parser->gotos, gt);
2266 if (!parser_next(parser) || parser->tok != ';') {
2267 parseerror(parser, "semicolon expected after goto label");
2270 if (!parser_next(parser)) {
2271 parseerror(parser, "parse error after goto");
2275 *out = (ast_expression*)gt;
2279 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
2282 ast_value *typevar = NULL;
2285 if (parser->tok == TOKEN_IDENT)
2286 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2288 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
2290 /* local variable */
2292 parseerror(parser, "cannot declare a variable from here");
2295 if (opts_standard == COMPILER_QCC) {
2296 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
2299 if (!parse_variable(parser, block, false, CV_NONE, typevar))
2304 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
2308 else if (parser->tok == TOKEN_KEYWORD)
2310 if (!strcmp(parser_tokval(parser), "local") ||
2311 !strcmp(parser_tokval(parser), "const") ||
2312 !strcmp(parser_tokval(parser), "var"))
2315 if (parser_tokval(parser)[0] == 'c')
2317 else if (parser_tokval(parser)[0] == 'v')
2323 parseerror(parser, "cannot declare a local variable here");
2326 if (!parser_next(parser)) {
2327 parseerror(parser, "expected variable declaration");
2330 if (!parse_variable(parser, block, true, cvq, NULL))
2335 else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
2340 if (!parser_next(parser)) {
2341 parseerror(parser, "parse error after __builtin_debug_printtype");
2345 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
2347 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
2348 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
2349 if (!parser_next(parser)) {
2350 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
2356 if (!parse_statement(parser, block, out, allow_cases))
2359 con_out("__builtin_debug_printtype: got no output node\n");
2362 ast_type_to_string(*out, ty, sizeof(ty));
2363 con_out("__builtin_debug_printtype: `%s`\n", ty);
2368 else if (!strcmp(parser_tokval(parser), "return"))
2370 return parse_return(parser, block, out);
2372 else if (!strcmp(parser_tokval(parser), "if"))
2374 return parse_if(parser, block, out);
2376 else if (!strcmp(parser_tokval(parser), "while"))
2378 return parse_while(parser, block, out);
2380 else if (!strcmp(parser_tokval(parser), "do"))
2382 return parse_dowhile(parser, block, out);
2384 else if (!strcmp(parser_tokval(parser), "for"))
2386 if (opts_standard == COMPILER_QCC) {
2387 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
2390 return parse_for(parser, block, out);
2392 else if (!strcmp(parser_tokval(parser), "break"))
2394 return parse_break_continue(parser, block, out, false);
2396 else if (!strcmp(parser_tokval(parser), "continue"))
2398 return parse_break_continue(parser, block, out, true);
2400 else if (!strcmp(parser_tokval(parser), "switch"))
2402 return parse_switch(parser, block, out);
2404 else if (!strcmp(parser_tokval(parser), "case") ||
2405 !strcmp(parser_tokval(parser), "default"))
2408 parseerror(parser, "unexpected 'case' label");
2413 else if (!strcmp(parser_tokval(parser), "goto"))
2415 return parse_goto(parser, out);
2417 else if (!strcmp(parser_tokval(parser), "typedef"))
2419 if (!parser_next(parser)) {
2420 parseerror(parser, "expected type definition after 'typedef'");
2423 return parse_typedef(parser);
2425 parseerror(parser, "Unexpected keyword");
2428 else if (parser->tok == '{')
2431 inner = parse_block(parser);
2434 *out = (ast_expression*)inner;
2437 else if (parser->tok == ':')
2441 if (!parser_next(parser)) {
2442 parseerror(parser, "expected label name");
2445 if (parser->tok != TOKEN_IDENT) {
2446 parseerror(parser, "label must be an identifier");
2449 label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
2452 vec_push(parser->labels, label);
2453 *out = (ast_expression*)label;
2454 if (!parser_next(parser)) {
2455 parseerror(parser, "parse error after label");
2458 for (i = 0; i < vec_size(parser->gotos); ++i) {
2459 if (!strcmp(parser->gotos[i]->name, label->name)) {
2460 ast_goto_set_label(parser->gotos[i], label);
2461 vec_remove(parser->gotos, i, 1);
2467 else if (parser->tok == ';')
2469 if (!parser_next(parser)) {
2470 parseerror(parser, "parse error after empty statement");
2477 ast_expression *exp = parse_expression(parser, false);
2481 if (!ast_side_effects(exp)) {
2482 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2489 static bool parse_block_into(parser_t *parser, ast_block *block)
2493 parser_enterblock(parser);
2495 if (!parser_next(parser)) { /* skip the '{' */
2496 parseerror(parser, "expected function body");
2500 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2502 ast_expression *expr = NULL;
2503 if (parser->tok == '}')
2506 if (!parse_statement(parser, block, &expr, false)) {
2507 /* parseerror(parser, "parse error"); */
2513 ast_block_add_expr(block, expr);
2516 if (parser->tok != '}') {
2519 (void)parser_next(parser);
2523 if (!parser_leaveblock(parser))
2525 return retval && !!block;
2528 static ast_block* parse_block(parser_t *parser)
2531 block = ast_block_new(parser_ctx(parser));
2534 if (!parse_block_into(parser, block)) {
2535 ast_block_delete(block);
2541 static ast_expression* parse_statement_or_block(parser_t *parser)
2543 ast_expression *expr = NULL;
2544 if (parser->tok == '{')
2545 return (ast_expression*)parse_block(parser);
2546 if (!parse_statement(parser, NULL, &expr, false))
2551 static bool create_vector_members(ast_value *var, ast_member **me)
2554 size_t len = strlen(var->name);
2556 for (i = 0; i < 3; ++i) {
2557 char *name = mem_a(len+3);
2558 memcpy(name, var->name, len);
2560 name[len+1] = 'x'+i;
2562 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
2571 do { ast_member_delete(me[--i]); } while(i);
2575 static bool parse_function_body(parser_t *parser, ast_value *var)
2577 ast_block *block = NULL;
2582 ast_expression *framenum = NULL;
2583 ast_expression *nextthink = NULL;
2584 /* None of the following have to be deleted */
2585 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
2586 ast_expression *gbl_time = NULL, *gbl_self = NULL;
2587 bool has_frame_think;
2591 has_frame_think = false;
2592 old = parser->function;
2594 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
2595 parseerror(parser, "gotos/labels leaking");
2599 if (var->expression.variadic) {
2600 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2601 "variadic function with implementation will not be able to access additional parameters"))
2607 if (parser->tok == '[') {
2608 /* got a frame definition: [ framenum, nextthink ]
2609 * this translates to:
2610 * self.frame = framenum;
2611 * self.nextthink = time + 0.1;
2612 * self.think = nextthink;
2616 fld_think = parser_find_field(parser, "think");
2617 fld_nextthink = parser_find_field(parser, "nextthink");
2618 fld_frame = parser_find_field(parser, "frame");
2619 if (!fld_think || !fld_nextthink || !fld_frame) {
2620 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2621 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2624 gbl_time = parser_find_global(parser, "time");
2625 gbl_self = parser_find_global(parser, "self");
2626 if (!gbl_time || !gbl_self) {
2627 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2628 parseerror(parser, "please declare the following globals: `time`, `self`");
2632 if (!parser_next(parser))
2635 framenum = parse_expression_leave(parser, true);
2637 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2640 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
2641 ast_unref(framenum);
2642 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2646 if (parser->tok != ',') {
2647 ast_unref(framenum);
2648 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2649 parseerror(parser, "Got a %i\n", parser->tok);
2653 if (!parser_next(parser)) {
2654 ast_unref(framenum);
2658 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2660 /* qc allows the use of not-yet-declared functions here
2661 * - this automatically creates a prototype */
2662 ast_value *thinkfunc;
2663 ast_expression *functype = fld_think->expression.next;
2665 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2666 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2667 ast_unref(framenum);
2668 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2672 if (!parser_next(parser)) {
2673 ast_unref(framenum);
2674 ast_delete(thinkfunc);
2678 vec_push(parser->globals, (ast_expression*)thinkfunc);
2679 util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
2680 nextthink = (ast_expression*)thinkfunc;
2683 nextthink = parse_expression_leave(parser, true);
2685 ast_unref(framenum);
2686 parseerror(parser, "expected a think-function in [frame,think] notation");
2691 if (!ast_istype(nextthink, ast_value)) {
2692 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2696 if (retval && parser->tok != ']') {
2697 parseerror(parser, "expected closing `]` for [frame,think] notation");
2701 if (retval && !parser_next(parser)) {
2705 if (retval && parser->tok != '{') {
2706 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2711 ast_unref(nextthink);
2712 ast_unref(framenum);
2716 has_frame_think = true;
2719 block = ast_block_new(parser_ctx(parser));
2721 parseerror(parser, "failed to allocate block");
2722 if (has_frame_think) {
2723 ast_unref(nextthink);
2724 ast_unref(framenum);
2729 if (has_frame_think) {
2731 ast_expression *self_frame;
2732 ast_expression *self_nextthink;
2733 ast_expression *self_think;
2734 ast_expression *time_plus_1;
2735 ast_store *store_frame;
2736 ast_store *store_nextthink;
2737 ast_store *store_think;
2739 ctx = parser_ctx(parser);
2740 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2741 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2742 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2744 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2745 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2747 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2748 if (self_frame) ast_delete(self_frame);
2749 if (self_nextthink) ast_delete(self_nextthink);
2750 if (self_think) ast_delete(self_think);
2751 if (time_plus_1) ast_delete(time_plus_1);
2757 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2758 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2759 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2762 ast_delete(self_frame);
2765 if (!store_nextthink) {
2766 ast_delete(self_nextthink);
2770 ast_delete(self_think);
2774 if (store_frame) ast_delete(store_frame);
2775 if (store_nextthink) ast_delete(store_nextthink);
2776 if (store_think) ast_delete(store_think);
2779 ast_block_add_expr(block, (ast_expression*)store_frame);
2780 ast_block_add_expr(block, (ast_expression*)store_nextthink);
2781 ast_block_add_expr(block, (ast_expression*)store_think);
2785 parseerror(parser, "failed to generate code for [frame,think]");
2786 ast_unref(nextthink);
2787 ast_unref(framenum);
2793 parser_enterblock(parser);
2795 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2797 ast_value *param = var->expression.params[parami];
2800 if (param->expression.vtype != TYPE_VECTOR &&
2801 (param->expression.vtype != TYPE_FIELD ||
2802 param->expression.next->expression.vtype != TYPE_VECTOR))
2807 if (!create_vector_members(param, me)) {
2808 ast_block_delete(block);
2812 for (e = 0; e < 3; ++e) {
2813 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
2814 ast_block_collect(block, (ast_expression*)me[e]);
2818 func = ast_function_new(ast_ctx(var), var->name, var);
2820 parseerror(parser, "failed to allocate function for `%s`", var->name);
2821 ast_block_delete(block);
2824 vec_push(parser->functions, func);
2826 parser->function = func;
2827 if (!parse_block_into(parser, block)) {
2828 ast_block_delete(block);
2832 vec_push(func->blocks, block);
2834 parser->function = old;
2835 if (!parser_leaveblock(parser))
2837 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
2838 parseerror(parser, "internal error: local scopes left");
2842 if (parser->tok == ';')
2843 return parser_next(parser);
2844 else if (opts_standard == COMPILER_QCC)
2845 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2849 vec_pop(parser->functions);
2850 ast_function_delete(func);
2851 var->constval.vfunc = NULL;
2854 (void)!parser_leaveblock(parser);
2855 parser->function = old;
2859 static ast_expression *array_accessor_split(
2864 ast_expression *left,
2865 ast_expression *right
2871 lex_ctx ctx = ast_ctx(array);
2873 if (!left || !right) {
2874 if (left) ast_delete(left);
2875 if (right) ast_delete(right);
2879 cmp = ast_binary_new(ctx, INSTR_LT,
2880 (ast_expression*)index,
2881 (ast_expression*)parser_const_float(parser, middle));
2885 parseerror(parser, "internal error: failed to create comparison for array setter");
2889 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2891 ast_delete(cmp); /* will delete left and right */
2892 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2896 return (ast_expression*)ifthen;
2899 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2901 lex_ctx ctx = ast_ctx(array);
2903 if (from+1 == afterend) {
2904 /* set this value */
2907 ast_array_index *subscript;
2909 int assignop = type_store_instr[value->expression.vtype];
2911 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2912 assignop = INSTR_STORE_V;
2914 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2918 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2920 ast_delete(subscript);
2924 block = ast_block_new(ctx);
2930 ast_block_add_expr(block, (ast_expression*)st);
2932 ret = ast_return_new(ctx, NULL);
2938 ast_block_add_expr(block, (ast_expression*)ret);
2940 return (ast_expression*)block;
2942 ast_expression *left, *right;
2943 size_t diff = afterend - from;
2944 size_t middle = from + diff/2;
2945 left = array_setter_node(parser, array, index, value, from, middle);
2946 right = array_setter_node(parser, array, index, value, middle, afterend);
2947 return array_accessor_split(parser, array, index, middle, left, right);
2951 static ast_expression *array_field_setter_node(
2960 lex_ctx ctx = ast_ctx(array);
2962 if (from+1 == afterend) {
2963 /* set this value */
2966 ast_entfield *entfield;
2967 ast_array_index *subscript;
2969 int assignop = type_storep_instr[value->expression.vtype];
2971 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2972 assignop = INSTR_STOREP_V;
2974 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2978 entfield = ast_entfield_new_force(ctx,
2979 (ast_expression*)entity,
2980 (ast_expression*)subscript,
2981 (ast_expression*)subscript);
2983 ast_delete(subscript);
2987 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2989 ast_delete(entfield);
2993 block = ast_block_new(ctx);
2999 ast_block_add_expr(block, (ast_expression*)st);
3001 ret = ast_return_new(ctx, NULL);
3007 ast_block_add_expr(block, (ast_expression*)ret);
3009 return (ast_expression*)block;
3011 ast_expression *left, *right;
3012 size_t diff = afterend - from;
3013 size_t middle = from + diff/2;
3014 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
3015 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
3016 return array_accessor_split(parser, array, index, middle, left, right);
3020 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
3022 lex_ctx ctx = ast_ctx(array);
3024 if (from+1 == afterend) {
3026 ast_array_index *subscript;
3028 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
3032 ret = ast_return_new(ctx, (ast_expression*)subscript);
3034 ast_delete(subscript);
3038 return (ast_expression*)ret;
3040 ast_expression *left, *right;
3041 size_t diff = afterend - from;
3042 size_t middle = from + diff/2;
3043 left = array_getter_node(parser, array, index, from, middle);
3044 right = array_getter_node(parser, array, index, middle, afterend);
3045 return array_accessor_split(parser, array, index, middle, left, right);
3049 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
3051 ast_function *func = NULL;
3052 ast_value *fval = NULL;
3053 ast_block *body = NULL;
3055 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
3057 parseerror(parser, "failed to create accessor function value");
3061 func = ast_function_new(ast_ctx(array), funcname, fval);
3064 parseerror(parser, "failed to create accessor function node");
3068 body = ast_block_new(ast_ctx(array));
3070 parseerror(parser, "failed to create block for array accessor");
3076 vec_push(func->blocks, body);
3079 vec_push(parser->accessors, fval);
3084 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
3086 ast_expression *root = NULL;
3087 ast_value *index = NULL;
3088 ast_value *value = NULL;
3092 if (!ast_istype(array->expression.next, ast_value)) {
3093 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3097 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3099 func = fval->constval.vfunc;
3100 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3102 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3103 value = ast_value_copy((ast_value*)array->expression.next);
3105 if (!index || !value) {
3106 parseerror(parser, "failed to create locals for array accessor");
3109 (void)!ast_value_set_name(value, "value"); /* not important */
3110 vec_push(fval->expression.params, index);
3111 vec_push(fval->expression.params, value);
3113 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
3115 parseerror(parser, "failed to build accessor search tree");
3119 ast_block_add_expr(func->blocks[0], root);
3120 array->setter = fval;
3123 if (index) ast_delete(index);
3124 if (value) ast_delete(value);
3125 if (root) ast_delete(root);
3131 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
3133 ast_expression *root = NULL;
3134 ast_value *entity = NULL;
3135 ast_value *index = NULL;
3136 ast_value *value = NULL;
3140 if (!ast_istype(array->expression.next, ast_value)) {
3141 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3145 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3147 func = fval->constval.vfunc;
3148 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3150 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
3151 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3152 value = ast_value_copy((ast_value*)array->expression.next);
3153 if (!entity || !index || !value) {
3154 parseerror(parser, "failed to create locals for array accessor");
3157 (void)!ast_value_set_name(value, "value"); /* not important */
3158 vec_push(fval->expression.params, entity);
3159 vec_push(fval->expression.params, index);
3160 vec_push(fval->expression.params, value);
3162 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
3164 parseerror(parser, "failed to build accessor search tree");
3168 ast_block_add_expr(func->blocks[0], root);
3169 array->setter = fval;
3172 if (entity) ast_delete(entity);
3173 if (index) ast_delete(index);
3174 if (value) ast_delete(value);
3175 if (root) ast_delete(root);
3181 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
3183 ast_expression *root = NULL;
3184 ast_value *index = NULL;
3188 /* NOTE: checking array->expression.next rather than elemtype since
3189 * for fields elemtype is a temporary fieldtype.
3191 if (!ast_istype(array->expression.next, ast_value)) {
3192 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3196 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3198 func = fval->constval.vfunc;
3199 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
3201 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3204 parseerror(parser, "failed to create locals for array accessor");
3207 vec_push(fval->expression.params, index);
3209 root = array_getter_node(parser, array, index, 0, array->expression.count);
3211 parseerror(parser, "failed to build accessor search tree");
3215 ast_block_add_expr(func->blocks[0], root);
3216 array->getter = fval;
3219 if (index) ast_delete(index);
3220 if (root) ast_delete(root);
3226 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
3227 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
3235 bool variadic = false;
3237 ctx = parser_ctx(parser);
3239 /* for the sake of less code we parse-in in this function */
3240 if (!parser_next(parser)) {
3241 parseerror(parser, "expected parameter list");
3247 /* parse variables until we hit a closing paren */
3248 while (parser->tok != ')') {
3250 /* there must be commas between them */
3251 if (parser->tok != ',') {
3252 parseerror(parser, "expected comma or end of parameter list");
3255 if (!parser_next(parser)) {
3256 parseerror(parser, "expected parameter");
3262 if (parser->tok == TOKEN_DOTS) {
3263 /* '...' indicates a varargs function */
3265 if (!parser_next(parser)) {
3266 parseerror(parser, "expected parameter");
3269 if (parser->tok != ')') {
3270 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
3276 /* for anything else just parse a typename */
3277 param = parse_typename(parser, NULL, NULL);
3280 vec_push(params, param);
3281 if (param->expression.vtype >= TYPE_VARIANT) {
3282 char typename[1024];
3283 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
3284 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
3290 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
3294 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
3295 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
3298 if (!parser_next(parser)) {
3299 parseerror(parser, "parse error after typename");
3303 /* now turn 'var' into a function type */
3304 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
3305 fval->expression.next = (ast_expression*)var;
3306 fval->expression.variadic = variadic;
3309 var->expression.params = params;
3316 for (i = 0; i < vec_size(params); ++i)
3317 ast_delete(params[i]);
3322 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
3324 ast_expression *cexp;
3325 ast_value *cval, *tmp;
3328 ctx = parser_ctx(parser);
3330 if (!parser_next(parser)) {
3332 parseerror(parser, "expected array-size");
3336 cexp = parse_expression_leave(parser, true);
3338 if (!cexp || !ast_istype(cexp, ast_value)) {
3342 parseerror(parser, "expected array-size as constant positive integer");
3345 cval = (ast_value*)cexp;
3347 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
3348 tmp->expression.next = (ast_expression*)var;
3351 if (cval->expression.vtype == TYPE_INTEGER)
3352 tmp->expression.count = cval->constval.vint;
3353 else if (cval->expression.vtype == TYPE_FLOAT)
3354 tmp->expression.count = cval->constval.vfloat;
3358 parseerror(parser, "array-size must be a positive integer constant");
3363 if (parser->tok != ']') {
3365 parseerror(parser, "expected ']' after array-size");
3368 if (!parser_next(parser)) {
3370 parseerror(parser, "error after parsing array size");
3376 /* Parse a complete typename.
3377 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
3378 * but when parsing variables separated by comma
3379 * 'storebase' should point to where the base-type should be kept.
3380 * The base type makes up every bit of type information which comes *before* the
3383 * The following will be parsed in its entirety:
3385 * The 'basetype' in this case is 'void()'
3386 * and if there's a comma after it, say:
3388 * then the type-information 'void()' can be stored in 'storebase'
3390 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
3392 ast_value *var, *tmp;
3395 const char *name = NULL;
3396 bool isfield = false;
3397 bool wasarray = false;
3398 size_t morefields = 0;
3400 ctx = parser_ctx(parser);
3402 /* types may start with a dot */
3403 if (parser->tok == '.') {
3405 /* if we parsed a dot we need a typename now */
3406 if (!parser_next(parser)) {
3407 parseerror(parser, "expected typename for field definition");
3411 /* Further dots are handled seperately because they won't be part of the
3414 while (parser->tok == '.') {
3416 if (!parser_next(parser)) {
3417 parseerror(parser, "expected typename for field definition");
3422 if (parser->tok == TOKEN_IDENT)
3423 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
3424 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
3425 parseerror(parser, "expected typename");
3429 /* generate the basic type value */
3430 if (cached_typedef) {
3431 var = ast_value_copy(cached_typedef);
3432 ast_value_set_name(var, "<type(from_def)>");
3434 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
3436 for (; morefields; --morefields) {
3437 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
3438 tmp->expression.next = (ast_expression*)var;
3442 /* do not yet turn into a field - remember:
3443 * .void() foo; is a field too
3444 * .void()() foo; is a function
3448 if (!parser_next(parser)) {
3450 parseerror(parser, "parse error after typename");
3454 /* an opening paren now starts the parameter-list of a function
3455 * this is where original-QC has parameter lists.
3456 * We allow a single parameter list here.
3457 * Much like fteqcc we don't allow `float()() x`
3459 if (parser->tok == '(') {
3460 var = parse_parameter_list(parser, var);
3465 /* store the base if requested */
3467 *storebase = ast_value_copy(var);
3469 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3470 tmp->expression.next = (ast_expression*)*storebase;
3475 /* there may be a name now */
3476 if (parser->tok == TOKEN_IDENT) {
3477 name = util_strdup(parser_tokval(parser));
3479 if (!parser_next(parser)) {
3481 parseerror(parser, "error after variable or field declaration");
3486 /* now this may be an array */
3487 if (parser->tok == '[') {
3489 var = parse_arraysize(parser, var);
3494 /* This is the point where we can turn it into a field */
3496 /* turn it into a field if desired */
3497 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3498 tmp->expression.next = (ast_expression*)var;
3502 /* now there may be function parens again */
3503 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
3504 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3505 if (parser->tok == '(' && wasarray)
3506 parseerror(parser, "arrays as part of a return type is not supported");
3507 while (parser->tok == '(') {
3508 var = parse_parameter_list(parser, var);
3517 /* finally name it */
3519 if (!ast_value_set_name(var, name)) {
3521 parseerror(parser, "internal error: failed to set name");
3524 /* free the name, ast_value_set_name duplicates */
3531 static bool parse_typedef(parser_t *parser)
3533 ast_value *typevar, *oldtype;
3534 ast_expression *old;
3536 typevar = parse_typename(parser, NULL, NULL);
3541 if ( (old = parser_find_var(parser, typevar->name)) ) {
3542 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
3543 " -> `%s` has been declared here: %s:%i",
3544 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
3545 ast_delete(typevar);
3549 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
3550 parseerror(parser, "type `%s` has already been declared here: %s:%i",
3551 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
3552 ast_delete(typevar);
3556 vec_push(parser->_typedefs, typevar);
3557 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
3559 if (parser->tok != ';') {
3560 parseerror(parser, "expected semicolon after typedef");
3563 if (!parser_next(parser)) {
3564 parseerror(parser, "parse error after typedef");
3571 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef)
3575 ast_expression *old;
3579 ast_value *basetype = NULL;
3581 bool isparam = false;
3582 bool isvector = false;
3583 bool cleanvar = true;
3584 bool wasarray = false;
3588 /* get the first complete variable */
3589 var = parse_typename(parser, &basetype, cached_typedef);
3592 ast_delete(basetype);
3600 /* Part 0: finish the type */
3601 if (parser->tok == '(') {
3602 if (opts_standard == COMPILER_QCC)
3603 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3604 var = parse_parameter_list(parser, var);
3610 /* we only allow 1-dimensional arrays */
3611 if (parser->tok == '[') {
3613 var = parse_arraysize(parser, var);
3619 if (parser->tok == '(' && wasarray) {
3620 parseerror(parser, "arrays as part of a return type is not supported");
3621 /* we'll still parse the type completely for now */
3623 /* for functions returning functions */
3624 while (parser->tok == '(') {
3625 if (opts_standard == COMPILER_QCC)
3626 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3627 var = parse_parameter_list(parser, var);
3634 var->cvq = qualifier;
3637 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3638 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3639 * is then filled with the previous definition and the parameter-names replaced.
3642 /* Deal with end_sys_ vars */
3644 if (!strcmp(var->name, "end_sys_globals")) {
3645 parser->crc_globals = vec_size(parser->globals);
3648 else if (!strcmp(var->name, "end_sys_fields")) {
3649 parser->crc_fields = vec_size(parser->fields);
3652 if (was_end && var->expression.vtype == TYPE_FIELD) {
3653 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3654 "global '%s' hint should not be a field",
3655 parser_tokval(parser)))
3662 if (!nofields && var->expression.vtype == TYPE_FIELD)
3664 /* deal with field declarations */
3665 old = parser_find_field(parser, var->name);
3667 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3668 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3677 parseerror(parser, "field `%s` already declared here: %s:%i",
3678 var->name, ast_ctx(old).file, ast_ctx(old).line);
3683 if (opts_standard == COMPILER_QCC &&
3684 (old = parser_find_global(parser, var->name)))
3686 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3687 parseerror(parser, "field `%s` already declared here: %s:%i",
3688 var->name, ast_ctx(old).file, ast_ctx(old).line);
3695 /* deal with other globals */
3696 old = parser_find_global(parser, var->name);
3697 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3699 /* This is a function which had a prototype */
3700 if (!ast_istype(old, ast_value)) {
3701 parseerror(parser, "internal error: prototype is not an ast_value");
3705 proto = (ast_value*)old;
3706 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3707 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3709 ast_ctx(proto).file, ast_ctx(proto).line);
3713 /* we need the new parameter-names */
3714 for (i = 0; i < vec_size(proto->expression.params); ++i)
3715 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3723 if (opts_standard == COMPILER_GMQCC) {
3724 parseerror(parser, "global `%s` already declared here: %s:%i",
3725 var->name, ast_ctx(old).file, ast_ctx(old).line);
3729 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
3730 "global `%s` already declared here: %s:%i",
3731 var->name, ast_ctx(old).file, ast_ctx(old).line))
3736 proto = (ast_value*)old;
3737 if (!ast_istype(old, ast_value)) {
3738 parseerror(parser, "internal error: not an ast_value");
3747 if (opts_standard == COMPILER_QCC &&
3748 (old = parser_find_field(parser, var->name)))
3750 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3751 parseerror(parser, "global `%s` already declared here: %s:%i",
3752 var->name, ast_ctx(old).file, ast_ctx(old).line);
3759 else /* it's not a global */
3761 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
3762 if (old && !isparam) {
3763 parseerror(parser, "local `%s` already declared here: %s:%i",
3764 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3768 old = parser_find_local(parser, var->name, 0, &isparam);
3769 if (old && isparam) {
3770 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3771 "local `%s` is shadowing a parameter", var->name))
3773 parseerror(parser, "local `%s` already declared here: %s:%i",
3774 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3778 if (opts_standard != COMPILER_GMQCC) {
3787 * Create the global/local, and deal with vector types.
3790 if (var->expression.vtype == TYPE_VECTOR)
3792 else if (var->expression.vtype == TYPE_FIELD &&
3793 var->expression.next->expression.vtype == TYPE_VECTOR)
3797 if (!create_vector_members(var, me)) {
3804 /* deal with global variables, fields, functions */
3805 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3806 vec_push(parser->fields, (ast_expression*)var);
3807 util_htset(parser->htfields, var->name, var);
3809 for (i = 0; i < 3; ++i) {
3810 vec_push(parser->fields, (ast_expression*)me[i]);
3811 util_htset(parser->htfields, me[i]->name, me[i]);
3816 vec_push(parser->globals, (ast_expression*)var);
3817 util_htset(parser->htglobals, var->name, var);
3819 for (i = 0; i < 3; ++i) {
3820 vec_push(parser->globals, (ast_expression*)me[i]);
3821 util_htset(parser->htglobals, me[i]->name, me[i]);
3826 vec_push(localblock->locals, var);
3827 parser_addlocal(parser, var->name, (ast_expression*)var);
3829 for (i = 0; i < 3; ++i) {
3830 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
3831 ast_block_collect(localblock, (ast_expression*)me[i]);
3837 me[0] = me[1] = me[2] = NULL;
3842 if (var->expression.vtype == TYPE_ARRAY) {
3844 snprintf(name, sizeof(name), "%s##SET", var->name);
3845 if (!parser_create_array_setter(parser, var, name))
3847 snprintf(name, sizeof(name), "%s##GET", var->name);
3848 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3851 else if (!localblock && !nofields &&
3852 var->expression.vtype == TYPE_FIELD &&
3853 var->expression.next->expression.vtype == TYPE_ARRAY)
3856 ast_expression *telem;
3858 ast_value *array = (ast_value*)var->expression.next;
3860 if (!ast_istype(var->expression.next, ast_value)) {
3861 parseerror(parser, "internal error: field element type must be an ast_value");
3865 snprintf(name, sizeof(name), "%s##SETF", var->name);
3866 if (!parser_create_array_field_setter(parser, array, name))
3869 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3870 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3871 tfield->expression.next = telem;
3872 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3873 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3881 if (parser->tok == ';') {
3882 ast_delete(basetype);
3883 if (!parser_next(parser)) {
3884 parseerror(parser, "error after variable declaration");
3890 if (parser->tok == ',')
3893 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3894 parseerror(parser, "missing comma or semicolon while parsing variables");
3898 if (localblock && opts_standard == COMPILER_QCC) {
3899 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3900 "initializing expression turns variable `%s` into a constant in this standard",
3907 if (parser->tok != '{') {
3908 if (parser->tok != '=') {
3909 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
3913 if (!parser_next(parser)) {
3914 parseerror(parser, "error parsing initializer");
3918 else if (opts_standard == COMPILER_QCC) {
3919 parseerror(parser, "expected '=' before function body in this standard");
3922 if (parser->tok == '#') {
3923 ast_function *func = NULL;
3926 parseerror(parser, "cannot declare builtins within functions");
3929 if (var->expression.vtype != TYPE_FUNCTION) {
3930 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3933 if (!parser_next(parser)) {
3934 parseerror(parser, "expected builtin number");
3937 if (parser->tok != TOKEN_INTCONST) {
3938 parseerror(parser, "builtin number must be an integer constant");
3941 if (parser_token(parser)->constval.i <= 0) {
3942 parseerror(parser, "builtin number must be an integer greater than zero");
3946 if (var->hasvalue) {
3947 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
3948 "builtin `%s` has already been defined\n"
3949 " -> previous declaration here: %s:%i",
3950 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
3954 func = ast_function_new(ast_ctx(var), var->name, var);
3956 parseerror(parser, "failed to allocate function for `%s`", var->name);
3959 vec_push(parser->functions, func);
3961 func->builtin = -parser_token(parser)->constval.i;
3964 if (!parser_next(parser)) {
3965 parseerror(parser, "expected comma or semicolon");
3967 ast_function_delete(func);
3968 var->constval.vfunc = NULL;
3972 else if (parser->tok == '{' || parser->tok == '[')
3976 parseerror(parser, "cannot declare functions within functions");
3981 ast_ctx(proto) = parser_ctx(parser);
3983 if (!parse_function_body(parser, var))
3985 ast_delete(basetype);
3986 for (i = 0; i < vec_size(parser->gotos); ++i)
3987 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
3988 vec_free(parser->gotos);
3989 vec_free(parser->labels);
3992 ast_expression *cexp;
3995 cexp = parse_expression_leave(parser, true);
4000 cval = (ast_value*)cexp;
4001 if (!ast_istype(cval, ast_value) || !cval->hasvalue || cval->cvq != CV_CONST)
4002 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
4005 if (opts_standard != COMPILER_GMQCC &&
4006 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4007 qualifier != CV_VAR)
4009 var->cvq = CV_CONST;
4011 var->hasvalue = true;
4012 if (cval->expression.vtype == TYPE_STRING)
4013 var->constval.vstring = parser_strdup(cval->constval.vstring);
4015 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
4020 shunt sy = { NULL, NULL };
4023 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
4024 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
4025 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
4026 if (!parser_sy_pop(parser, &sy))
4029 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
4030 parseerror(parser, "internal error: leaked operands");
4031 ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
4040 if (parser->tok == ',') {
4041 if (!parser_next(parser)) {
4042 parseerror(parser, "expected another variable");
4046 if (parser->tok != TOKEN_IDENT) {
4047 parseerror(parser, "expected another variable");
4050 var = ast_value_copy(basetype);
4052 ast_value_set_name(var, parser_tokval(parser));
4053 if (!parser_next(parser)) {
4054 parseerror(parser, "error parsing variable declaration");
4060 if (parser->tok != ';') {
4061 parseerror(parser, "missing semicolon after variables");
4065 if (!parser_next(parser)) {
4066 parseerror(parser, "parse error after variable declaration");
4070 ast_delete(basetype);
4074 if (cleanvar && var)
4076 ast_delete(basetype);
4080 ast_delete(basetype);
4081 if (cleanvar && var)
4083 if (me[0]) ast_member_delete(me[0]);
4084 if (me[1]) ast_member_delete(me[1]);
4085 if (me[2]) ast_member_delete(me[2]);
4089 static bool parser_global_statement(parser_t *parser)
4091 ast_value *istype = NULL;
4092 if (parser->tok == TOKEN_IDENT)
4093 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
4095 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
4097 return parse_variable(parser, NULL, false, CV_NONE, istype);
4099 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
4101 if (!strcmp(parser_tokval(parser), "var")) {
4102 if (!parser_next(parser)) {
4103 parseerror(parser, "expected variable declaration after 'var'");
4106 return parse_variable(parser, NULL, true, CV_VAR, NULL);
4109 else if (parser->tok == TOKEN_KEYWORD)
4111 if (!strcmp(parser_tokval(parser), "const")) {
4112 if (!parser_next(parser)) {
4113 parseerror(parser, "expected variable declaration after 'const'");
4116 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
4117 (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
4118 if (!parser_next(parser)) {
4119 parseerror(parser, "expected variable declaration after 'const var'");
4123 return parse_variable(parser, NULL, true, CV_CONST, NULL);
4125 else if (!strcmp(parser_tokval(parser), "typedef")) {
4126 if (!parser_next(parser)) {
4127 parseerror(parser, "expected type definition after 'typedef'");
4130 return parse_typedef(parser);
4132 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
4135 else if (parser->tok == '$')
4137 if (!parser_next(parser)) {
4138 parseerror(parser, "parse error");
4144 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
4150 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
4152 return util_crc16(old, str, strlen(str));
4155 static void progdefs_crc_file(const char *str)
4157 /* write to progdefs.h here */
4161 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
4163 old = progdefs_crc_sum(old, str);
4164 progdefs_crc_file(str);
4168 static void generate_checksum(parser_t *parser)
4170 uint16_t crc = 0xFFFF;
4174 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
4175 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
4177 progdefs_crc_file("\tint\tpad;\n");
4178 progdefs_crc_file("\tint\tofs_return[3];\n");
4179 progdefs_crc_file("\tint\tofs_parm0[3];\n");
4180 progdefs_crc_file("\tint\tofs_parm1[3];\n");
4181 progdefs_crc_file("\tint\tofs_parm2[3];\n");
4182 progdefs_crc_file("\tint\tofs_parm3[3];\n");
4183 progdefs_crc_file("\tint\tofs_parm4[3];\n");
4184 progdefs_crc_file("\tint\tofs_parm5[3];\n");
4185 progdefs_crc_file("\tint\tofs_parm6[3];\n");
4186 progdefs_crc_file("\tint\tofs_parm7[3];\n");
4188 for (i = 0; i < parser->crc_globals; ++i) {
4189 if (!ast_istype(parser->globals[i], ast_value))
4191 value = (ast_value*)(parser->globals[i]);
4192 switch (value->expression.vtype) {
4193 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4194 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4195 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4196 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4198 crc = progdefs_crc_both(crc, "\tint\t");
4201 crc = progdefs_crc_both(crc, value->name);
4202 crc = progdefs_crc_both(crc, ";\n");
4204 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
4205 for (i = 0; i < parser->crc_fields; ++i) {
4206 if (!ast_istype(parser->fields[i], ast_value))
4208 value = (ast_value*)(parser->fields[i]);
4209 switch (value->expression.next->expression.vtype) {
4210 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4211 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4212 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4213 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4215 crc = progdefs_crc_both(crc, "\tint\t");
4218 crc = progdefs_crc_both(crc, value->name);
4219 crc = progdefs_crc_both(crc, ";\n");
4221 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
4226 static parser_t *parser;
4232 parser = (parser_t*)mem_a(sizeof(parser_t));
4236 memset(parser, 0, sizeof(*parser));
4238 for (i = 0; i < operator_count; ++i) {
4239 if (operators[i].id == opid1('=')) {
4240 parser->assign_op = operators+i;
4244 if (!parser->assign_op) {
4245 printf("internal error: initializing parser: failed to find assign operator\n");
4250 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
4251 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
4252 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
4253 vec_push(parser->_blocktypedefs, 0);
4257 bool parser_compile()
4259 /* initial lexer/parser state */
4260 parser->lex->flags.noops = true;
4262 if (parser_next(parser))
4264 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
4266 if (!parser_global_statement(parser)) {
4267 if (parser->tok == TOKEN_EOF)
4268 parseerror(parser, "unexpected eof");
4269 else if (!parser->errors)
4270 parseerror(parser, "there have been errors, bailing out");
4271 lex_close(parser->lex);
4277 parseerror(parser, "parse error");
4278 lex_close(parser->lex);
4283 lex_close(parser->lex);
4286 return !parser->errors;
4289 bool parser_compile_file(const char *filename)
4291 parser->lex = lex_open(filename);
4293 con_err("failed to open file \"%s\"\n", filename);
4296 return parser_compile();
4299 bool parser_compile_string_len(const char *name, const char *str, size_t len)
4301 parser->lex = lex_open_string(str, len, name);
4303 con_err("failed to create lexer for string \"%s\"\n", name);
4306 return parser_compile();
4309 bool parser_compile_string(const char *name, const char *str)
4311 parser->lex = lex_open_string(str, strlen(str), name);
4313 con_err("failed to create lexer for string \"%s\"\n", name);
4316 return parser_compile();
4319 void parser_cleanup()
4322 for (i = 0; i < vec_size(parser->accessors); ++i) {
4323 ast_delete(parser->accessors[i]->constval.vfunc);
4324 parser->accessors[i]->constval.vfunc = NULL;
4325 ast_delete(parser->accessors[i]);
4327 for (i = 0; i < vec_size(parser->functions); ++i) {
4328 ast_delete(parser->functions[i]);
4330 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4331 ast_delete(parser->imm_vector[i]);
4333 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4334 ast_delete(parser->imm_string[i]);
4336 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4337 ast_delete(parser->imm_float[i]);
4339 for (i = 0; i < vec_size(parser->fields); ++i) {
4340 ast_delete(parser->fields[i]);
4342 for (i = 0; i < vec_size(parser->globals); ++i) {
4343 ast_delete(parser->globals[i]);
4345 vec_free(parser->accessors);
4346 vec_free(parser->functions);
4347 vec_free(parser->imm_vector);
4348 vec_free(parser->imm_string);
4349 vec_free(parser->imm_float);
4350 vec_free(parser->globals);
4351 vec_free(parser->fields);
4353 for (i = 0; i < vec_size(parser->variables); ++i)
4354 util_htdel(parser->variables[i]);
4355 vec_free(parser->variables);
4356 vec_free(parser->_blocklocals);
4357 vec_free(parser->_locals);
4359 for (i = 0; i < vec_size(parser->_typedefs); ++i)
4360 ast_delete(parser->_typedefs[i]);
4361 vec_free(parser->_typedefs);
4362 for (i = 0; i < vec_size(parser->typedefs); ++i)
4363 util_htdel(parser->typedefs[i]);
4364 vec_free(parser->typedefs);
4365 vec_free(parser->_blocktypedefs);
4367 vec_free(parser->labels);
4368 vec_free(parser->gotos);
4373 bool parser_finish(const char *output)
4379 if (!parser->errors)
4381 ir = ir_builder_new("gmqcc_out");
4383 con_out("failed to allocate builder\n");
4387 for (i = 0; i < vec_size(parser->fields); ++i) {
4390 if (!ast_istype(parser->fields[i], ast_value))
4392 field = (ast_value*)parser->fields[i];
4393 hasvalue = field->hasvalue;
4394 field->hasvalue = false;
4395 if (!ast_global_codegen((ast_value*)field, ir, true)) {
4396 con_out("failed to generate field %s\n", field->name);
4397 ir_builder_delete(ir);
4402 ast_expression *subtype;
4403 field->hasvalue = true;
4404 subtype = field->expression.next;
4405 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
4406 if (subtype->expression.vtype == TYPE_FIELD)
4407 ifld->fieldtype = subtype->expression.next->expression.vtype;
4408 else if (subtype->expression.vtype == TYPE_FUNCTION)
4409 ifld->outtype = subtype->expression.next->expression.vtype;
4410 (void)!ir_value_set_field(field->ir_v, ifld);
4413 for (i = 0; i < vec_size(parser->globals); ++i) {
4415 if (!ast_istype(parser->globals[i], ast_value))
4417 asvalue = (ast_value*)(parser->globals[i]);
4418 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
4419 if (strcmp(asvalue->name, "end_sys_globals") &&
4420 strcmp(asvalue->name, "end_sys_fields"))
4422 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
4423 "unused global: `%s`", asvalue->name);
4426 if (!ast_global_codegen(asvalue, ir, false)) {
4427 con_out("failed to generate global %s\n", asvalue->name);
4428 ir_builder_delete(ir);
4432 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4433 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
4434 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
4435 ir_builder_delete(ir);
4439 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4440 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
4441 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
4442 ir_builder_delete(ir);
4446 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4447 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
4448 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
4449 ir_builder_delete(ir);
4453 for (i = 0; i < vec_size(parser->globals); ++i) {
4455 if (!ast_istype(parser->globals[i], ast_value))
4457 asvalue = (ast_value*)(parser->globals[i]);
4458 if (asvalue->setter) {
4459 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4460 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4461 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4463 printf("failed to generate setter for %s\n", asvalue->name);
4464 ir_builder_delete(ir);
4468 if (asvalue->getter) {
4469 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4470 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4471 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4473 printf("failed to generate getter for %s\n", asvalue->name);
4474 ir_builder_delete(ir);
4479 for (i = 0; i < vec_size(parser->fields); ++i) {
4481 asvalue = (ast_value*)(parser->fields[i]->expression.next);
4483 if (!ast_istype((ast_expression*)asvalue, ast_value))
4485 if (asvalue->expression.vtype != TYPE_ARRAY)
4487 if (asvalue->setter) {
4488 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4489 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4490 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4492 printf("failed to generate setter for %s\n", asvalue->name);
4493 ir_builder_delete(ir);
4497 if (asvalue->getter) {
4498 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4499 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4500 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4502 printf("failed to generate getter for %s\n", asvalue->name);
4503 ir_builder_delete(ir);
4508 for (i = 0; i < vec_size(parser->functions); ++i) {
4509 if (!ast_function_codegen(parser->functions[i], ir)) {
4510 con_out("failed to generate function %s\n", parser->functions[i]->name);
4511 ir_builder_delete(ir);
4516 ir_builder_dump(ir, con_out);
4517 for (i = 0; i < vec_size(parser->functions); ++i) {
4518 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
4519 con_out("failed to finalize function %s\n", parser->functions[i]->name);
4520 ir_builder_delete(ir);
4527 ir_builder_dump(ir, con_out);
4529 generate_checksum(parser);
4531 if (!ir_builder_generate(ir, output)) {
4532 con_out("*** failed to generate output file\n");
4533 ir_builder_delete(ir);
4538 ir_builder_delete(ir);
4542 con_out("*** there were compile errors\n");