5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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;
82 /* we store the '=' operator info */
83 const oper_info *assign_op;
85 /* TYPE_FIELD -> parser_find_fields is used instead of find_var
86 * TODO: TYPE_VECTOR -> x, y and z are accepted in the gmqcc standard
87 * anything else: type error
92 static void parser_enterblock(parser_t *parser);
93 static bool parser_leaveblock(parser_t *parser);
94 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e);
95 static bool parse_typedef(parser_t *parser);
96 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef);
97 static ast_block* parse_block(parser_t *parser);
98 static bool parse_block_into(parser_t *parser, ast_block *block);
99 static ast_expression* parse_statement_or_block(parser_t *parser);
100 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases);
101 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma);
102 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma);
104 static void parseerror(parser_t *parser, const char *fmt, ...)
111 con_vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
115 /* returns true if it counts as an error */
116 static bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
119 int lvl = LVL_WARNING;
121 if (!OPTS_WARN(warntype))
130 con_vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
136 static bool GMQCC_WARN genwarning(lex_ctx ctx, int warntype, const char *fmt, ...)
139 int lvl = LVL_WARNING;
141 if (!OPTS_WARN(warntype))
148 con_vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
154 /**********************************************************************
155 * some maths used for constant folding
158 vector vec3_add(vector a, vector b)
167 vector vec3_sub(vector a, vector b)
176 qcfloat vec3_mulvv(vector a, vector b)
178 return (a.x * b.x + a.y * b.y + a.z * b.z);
181 vector vec3_mulvf(vector a, float b)
190 /**********************************************************************
194 bool parser_next(parser_t *parser)
196 /* lex_do kills the previous token */
197 parser->tok = lex_do(parser->lex);
198 if (parser->tok == TOKEN_EOF)
200 if (parser->tok >= TOKEN_ERROR) {
201 parseerror(parser, "lex error");
207 #define parser_tokval(p) ((p)->lex->tok.value)
208 #define parser_token(p) (&((p)->lex->tok))
209 #define parser_ctx(p) ((p)->lex->tok.ctx)
211 static ast_value* parser_const_float(parser_t *parser, double d)
215 for (i = 0; i < vec_size(parser->imm_float); ++i) {
216 const double compare = parser->imm_float[i]->constval.vfloat;
217 if (memcmp((const void*)&compare, (const void *)&d, sizeof(double)) == 0)
218 return parser->imm_float[i];
220 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
222 out->hasvalue = true;
223 out->constval.vfloat = d;
224 vec_push(parser->imm_float, out);
228 static ast_value* parser_const_float_0(parser_t *parser)
230 if (!parser->imm_float_zero)
231 parser->imm_float_zero = parser_const_float(parser, 0);
232 return parser->imm_float_zero;
235 static ast_value* parser_const_float_1(parser_t *parser)
237 if (!parser->imm_float_one)
238 parser->imm_float_one = parser_const_float(parser, 1);
239 return parser->imm_float_one;
242 static char *parser_strdup(const char *str)
245 /* actually dup empty strings */
246 char *out = mem_a(1);
250 return util_strdup(str);
253 static ast_value* parser_const_string(parser_t *parser, const char *str, bool dotranslate)
257 for (i = 0; i < vec_size(parser->imm_string); ++i) {
258 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
259 return parser->imm_string[i];
263 snprintf(name, sizeof(name), "dotranslate_%lu", (unsigned long)(parser->translated++));
264 out = ast_value_new(parser_ctx(parser), name, TYPE_STRING);
266 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
268 out->hasvalue = true;
269 out->constval.vstring = parser_strdup(str);
270 vec_push(parser->imm_string, out);
274 static ast_value* parser_const_vector(parser_t *parser, vector v)
278 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
279 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
280 return parser->imm_vector[i];
282 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
284 out->hasvalue = true;
285 out->constval.vvec = v;
286 vec_push(parser->imm_vector, out);
290 static ast_value* parser_const_vector_f(parser_t *parser, float x, float y, float z)
296 return parser_const_vector(parser, v);
299 static ast_value* parser_const_vector_0(parser_t *parser)
301 if (!parser->imm_vector_zero)
302 parser->imm_vector_zero = parser_const_vector_f(parser, 0, 0, 0);
303 return parser->imm_vector_zero;
306 static ast_expression* parser_find_field(parser_t *parser, const char *name)
308 return util_htget(parser->htfields, name);
311 static ast_expression* parser_find_global(parser_t *parser, const char *name)
313 return util_htget(parser->htglobals, name);
316 static ast_expression* parser_find_param(parser_t *parser, const char *name)
320 if (!parser->function)
322 fun = parser->function->vtype;
323 for (i = 0; i < vec_size(fun->expression.params); ++i) {
324 if (!strcmp(fun->expression.params[i]->name, name))
325 return (ast_expression*)(fun->expression.params[i]);
330 static ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
335 hash = util_hthash(parser->htglobals, name);
338 for (i = vec_size(parser->variables); i > upto;) {
340 if ( (e = util_htgeth(parser->variables[i], name, hash)) )
344 return parser_find_param(parser, name);
347 static ast_expression* parser_find_var(parser_t *parser, const char *name)
351 v = parser_find_local(parser, name, 0, &dummy);
352 if (!v) v = parser_find_global(parser, name);
356 static ast_value* parser_find_typedef(parser_t *parser, const char *name, size_t upto)
360 hash = util_hthash(parser->typedefs[0], name);
362 for (i = vec_size(parser->typedefs); i > upto;) {
364 if ( (e = (ast_value*)util_htgeth(parser->typedefs[i], name, hash)) )
372 size_t etype; /* 0 = expression, others are operators */
376 ast_block *block; /* for commas and function calls */
385 #define SY_PAREN_EXPR '('
386 #define SY_PAREN_FUNC 'f'
387 #define SY_PAREN_INDEX '['
389 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
400 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
404 e.out = (ast_expression*)v;
411 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
413 e.etype = 1 + (op - operators);
422 static sy_elem syparen(lex_ctx ctx, int p, size_t off) {
434 # define DEBUGSHUNTDO(x) x
436 # define DEBUGSHUNTDO(x)
439 /* With regular precedence rules, ent.foo[n] is the same as (ent.foo)[n],
440 * so we need to rotate it to become ent.(foo[n]).
442 static bool rotate_entfield_array_index_nodes(ast_expression **out)
444 ast_array_index *index;
445 ast_entfield *entfield;
449 ast_expression *entity;
451 lex_ctx ctx = ast_ctx(*out);
453 if (!ast_istype(*out, ast_array_index))
455 index = (ast_array_index*)*out;
457 if (!ast_istype(index->array, ast_entfield))
459 entfield = (ast_entfield*)index->array;
461 if (!ast_istype(entfield->field, ast_value))
463 field = (ast_value*)entfield->field;
466 entity = entfield->entity;
470 index = ast_array_index_new(ctx, (ast_expression*)field, sub);
471 entfield = ast_entfield_new(ctx, entity, (ast_expression*)index);
472 *out = (ast_expression*)entfield;
477 static bool parser_sy_pop(parser_t *parser, shunt *sy)
481 ast_expression *out = NULL;
482 ast_expression *exprs[3];
483 ast_block *blocks[3];
484 ast_value *asvalue[3];
485 ast_binstore *asbinstore;
486 size_t i, assignop, addop, subop;
487 qcint generated_op = 0;
492 if (!vec_size(sy->ops)) {
493 parseerror(parser, "internal error: missing operator");
497 if (vec_last(sy->ops).paren) {
498 parseerror(parser, "unmatched parenthesis");
502 op = &operators[vec_last(sy->ops).etype - 1];
503 ctx = vec_last(sy->ops).ctx;
505 DEBUGSHUNTDO(con_out("apply %s\n", op->op));
507 if (vec_size(sy->out) < op->operands) {
508 parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", vec_size(sy->out),
509 op->op, (int)op->id);
513 vec_shrinkby(sy->ops, 1);
515 vec_shrinkby(sy->out, op->operands);
516 for (i = 0; i < op->operands; ++i) {
517 exprs[i] = sy->out[vec_size(sy->out)+i].out;
518 blocks[i] = sy->out[vec_size(sy->out)+i].block;
519 asvalue[i] = (ast_value*)exprs[i];
522 if (blocks[0] && !vec_size(blocks[0]->exprs) && op->id != opid1(',')) {
523 parseerror(parser, "internal error: operator cannot be applied on empty blocks");
527 #define NotSameType(T) \
528 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
529 exprs[0]->expression.vtype != T)
530 #define CanConstFold1(A) \
531 (ast_istype((A), ast_value) && ((ast_value*)(A))->hasvalue && (((ast_value*)(A))->cvq == CV_CONST))
532 #define CanConstFold(A, B) \
533 (CanConstFold1(A) && CanConstFold1(B))
534 #define ConstV(i) (asvalue[(i)]->constval.vvec)
535 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
536 #define ConstS(i) (asvalue[(i)]->constval.vstring)
540 parseerror(parser, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
544 if (exprs[0]->expression.vtype == TYPE_ENTITY) {
545 if (exprs[1]->expression.vtype != TYPE_FIELD) {
546 parseerror(parser, "type error: right hand of member-operand should be an entity-field");
549 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
551 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
552 parseerror(parser, "internal error: vector access is not supposed to be handled at this point");
556 parseerror(parser, "type error: member-of operator on something that is not an entity or vector");
562 if (exprs[0]->expression.vtype != TYPE_ARRAY &&
563 !(exprs[0]->expression.vtype == TYPE_FIELD &&
564 exprs[0]->expression.next->expression.vtype == TYPE_ARRAY))
566 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
567 parseerror(parser, "cannot index value of type %s", ty1);
570 if (exprs[1]->expression.vtype != TYPE_FLOAT) {
571 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
572 parseerror(parser, "index must be of type float, not %s", ty1);
575 out = (ast_expression*)ast_array_index_new(ctx, exprs[0], exprs[1]);
576 if (rotate_entfield_array_index_nodes(&out))
578 if (opts_standard != COMPILER_GMQCC) {
579 /* this error doesn't need to make us bail out */
580 (void)!parsewarning(parser, WARN_EXTENSIONS,
581 "accessing array-field members of an entity without parenthesis\n"
582 " -> this is an extension from -std=gmqcc");
589 ast_block_add_expr(blocks[0], exprs[1]);
591 blocks[0] = ast_block_new(ctx);
592 ast_block_add_expr(blocks[0], exprs[0]);
593 ast_block_add_expr(blocks[0], exprs[1]);
595 if (!ast_block_set_type(blocks[0], exprs[1]))
598 vec_push(sy->out, syblock(ctx, blocks[0]));
605 switch (exprs[0]->expression.vtype) {
607 if (CanConstFold1(exprs[0]))
608 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
610 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
611 (ast_expression*)parser_const_float_0(parser),
615 if (CanConstFold1(exprs[0]))
616 out = (ast_expression*)parser_const_vector_f(parser,
617 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
619 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
620 (ast_expression*)parser_const_vector_0(parser),
624 parseerror(parser, "invalid types used in expression: cannot negate type %s",
625 type_name[exprs[0]->expression.vtype]);
631 switch (exprs[0]->expression.vtype) {
633 if (CanConstFold1(exprs[0]))
634 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
636 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
639 if (CanConstFold1(exprs[0]))
640 out = (ast_expression*)parser_const_float(parser,
641 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
643 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
646 if (CanConstFold1(exprs[0]))
647 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
649 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
651 /* we don't constant-fold NOT for these types */
653 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
656 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
659 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
660 type_name[exprs[0]->expression.vtype]);
666 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
667 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
669 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
670 type_name[exprs[0]->expression.vtype],
671 type_name[exprs[1]->expression.vtype]);
674 switch (exprs[0]->expression.vtype) {
676 if (CanConstFold(exprs[0], exprs[1]))
678 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
681 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
684 if (CanConstFold(exprs[0], exprs[1]))
685 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
687 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
690 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
691 type_name[exprs[0]->expression.vtype],
692 type_name[exprs[1]->expression.vtype]);
697 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
698 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
700 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
701 type_name[exprs[1]->expression.vtype],
702 type_name[exprs[0]->expression.vtype]);
705 switch (exprs[0]->expression.vtype) {
707 if (CanConstFold(exprs[0], exprs[1]))
708 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
710 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
713 if (CanConstFold(exprs[0], exprs[1]))
714 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
716 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
719 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
720 type_name[exprs[1]->expression.vtype],
721 type_name[exprs[0]->expression.vtype]);
726 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
727 exprs[0]->expression.vtype != TYPE_VECTOR &&
728 exprs[0]->expression.vtype != TYPE_FLOAT &&
729 exprs[1]->expression.vtype != TYPE_VECTOR &&
730 exprs[1]->expression.vtype != TYPE_FLOAT)
732 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
733 type_name[exprs[1]->expression.vtype],
734 type_name[exprs[0]->expression.vtype]);
737 switch (exprs[0]->expression.vtype) {
739 if (exprs[1]->expression.vtype == TYPE_VECTOR)
741 if (CanConstFold(exprs[0], exprs[1]))
742 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
744 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
748 if (CanConstFold(exprs[0], exprs[1]))
749 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
751 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
755 if (exprs[1]->expression.vtype == TYPE_FLOAT)
757 if (CanConstFold(exprs[0], exprs[1]))
758 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
760 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
764 if (CanConstFold(exprs[0], exprs[1]))
765 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
767 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
771 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
772 type_name[exprs[1]->expression.vtype],
773 type_name[exprs[0]->expression.vtype]);
778 if (NotSameType(TYPE_FLOAT)) {
779 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
780 type_name[exprs[0]->expression.vtype],
781 type_name[exprs[1]->expression.vtype]);
784 if (CanConstFold(exprs[0], exprs[1]))
785 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
787 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
791 parseerror(parser, "qc does not have a modulo operator");
795 if (NotSameType(TYPE_FLOAT)) {
796 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
797 type_name[exprs[0]->expression.vtype],
798 type_name[exprs[1]->expression.vtype]);
801 if (CanConstFold(exprs[0], exprs[1]))
802 out = (ast_expression*)parser_const_float(parser,
803 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
804 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
806 out = (ast_expression*)ast_binary_new(ctx,
807 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
811 parseerror(parser, "TODO: bitxor");
816 case opid3('<','<','='):
817 case opid3('>','>','='):
818 parseerror(parser, "TODO: shifts");
822 generated_op += 1; /* INSTR_OR */
824 generated_op += INSTR_AND;
826 if (NotSameType(TYPE_FLOAT)) {
827 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
828 type_name[exprs[0]->expression.vtype],
829 type_name[exprs[1]->expression.vtype]);
830 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
831 parseerror(parser, "TODO: optional early out");
835 if (opts_standard == COMPILER_GMQCC)
836 con_out("TODO: early out logic\n");
837 if (CanConstFold(exprs[0], exprs[1]))
838 out = (ast_expression*)parser_const_float(parser,
839 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
841 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
845 if (exprs[1]->expression.vtype != exprs[2]->expression.vtype) {
846 ast_type_to_string(exprs[1], ty1, sizeof(ty1));
847 ast_type_to_string(exprs[2], ty2, sizeof(ty2));
848 parseerror(parser, "operands of ternary expression must have the same type, got %s and %s", ty1, ty2);
851 if (CanConstFold1(exprs[0]))
852 out = (ConstF(0) ? exprs[1] : exprs[2]);
854 out = (ast_expression*)ast_ternary_new(ctx, exprs[0], exprs[1], exprs[2]);
858 generated_op += 1; /* INSTR_GT */
860 generated_op += 1; /* INSTR_LT */
861 case opid2('>', '='):
862 generated_op += 1; /* INSTR_GE */
863 case opid2('<', '='):
864 generated_op += INSTR_LE;
865 if (NotSameType(TYPE_FLOAT)) {
866 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
867 type_name[exprs[0]->expression.vtype],
868 type_name[exprs[1]->expression.vtype]);
871 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
873 case opid2('!', '='):
874 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
875 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
876 type_name[exprs[0]->expression.vtype],
877 type_name[exprs[1]->expression.vtype]);
880 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
882 case opid2('=', '='):
883 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
884 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
885 type_name[exprs[0]->expression.vtype],
886 type_name[exprs[1]->expression.vtype]);
889 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
893 if (ast_istype(exprs[0], ast_entfield)) {
894 ast_expression *field = ((ast_entfield*)exprs[0])->field;
895 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
896 exprs[0]->expression.vtype == TYPE_FIELD &&
897 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
899 assignop = type_storep_instr[TYPE_VECTOR];
902 assignop = type_storep_instr[exprs[0]->expression.vtype];
903 if (!ast_compare_type(field->expression.next, exprs[1])) {
904 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
905 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
906 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
907 field->expression.next->expression.vtype == TYPE_FUNCTION &&
908 exprs[1]->expression.vtype == TYPE_FUNCTION)
910 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
911 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
917 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
922 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
923 exprs[0]->expression.vtype == TYPE_FIELD &&
924 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
926 assignop = type_store_instr[TYPE_VECTOR];
929 assignop = type_store_instr[exprs[0]->expression.vtype];
932 if (assignop == AINSTR_END) {
933 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
934 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
935 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
937 else if (!ast_compare_type(exprs[0], exprs[1])) {
938 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
939 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
940 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
941 exprs[0]->expression.vtype == TYPE_FUNCTION &&
942 exprs[1]->expression.vtype == TYPE_FUNCTION)
944 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
945 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
951 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
954 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
955 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
957 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
959 case opid3('+','+','P'):
960 case opid3('-','-','P'):
962 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
963 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
964 parseerror(parser, "invalid type for prefix increment: %s", ty1);
967 if (op->id == opid3('+','+','P'))
971 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
972 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
974 if (ast_istype(exprs[0], ast_entfield)) {
975 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
977 (ast_expression*)parser_const_float_1(parser));
979 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
981 (ast_expression*)parser_const_float_1(parser));
984 case opid3('S','+','+'):
985 case opid3('S','-','-'):
987 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
988 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
989 parseerror(parser, "invalid type for suffix increment: %s", ty1);
992 if (op->id == opid3('S','+','+')) {
999 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1000 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1002 if (ast_istype(exprs[0], ast_entfield)) {
1003 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
1005 (ast_expression*)parser_const_float_1(parser));
1007 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
1009 (ast_expression*)parser_const_float_1(parser));
1013 out = (ast_expression*)ast_binary_new(ctx, subop,
1015 (ast_expression*)parser_const_float_1(parser));
1017 case opid2('+','='):
1018 case opid2('-','='):
1019 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
1020 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
1022 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1023 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1024 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1028 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1029 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1031 if (ast_istype(exprs[0], ast_entfield))
1032 assignop = type_storep_instr[exprs[0]->expression.vtype];
1034 assignop = type_store_instr[exprs[0]->expression.vtype];
1035 switch (exprs[0]->expression.vtype) {
1037 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1038 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
1039 exprs[0], exprs[1]);
1042 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1043 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
1044 exprs[0], exprs[1]);
1047 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1048 type_name[exprs[0]->expression.vtype],
1049 type_name[exprs[1]->expression.vtype]);
1053 case opid2('*','='):
1054 case opid2('/','='):
1055 if (exprs[1]->expression.vtype != TYPE_FLOAT ||
1056 !(exprs[0]->expression.vtype == TYPE_FLOAT ||
1057 exprs[0]->expression.vtype == TYPE_VECTOR))
1059 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1060 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1061 parseerror(parser, "invalid types used in expression: %s and %s",
1065 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1066 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1068 if (ast_istype(exprs[0], ast_entfield))
1069 assignop = type_storep_instr[exprs[0]->expression.vtype];
1071 assignop = type_store_instr[exprs[0]->expression.vtype];
1072 switch (exprs[0]->expression.vtype) {
1074 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1075 (op->id == opid2('*','=') ? INSTR_MUL_F : INSTR_DIV_F),
1076 exprs[0], exprs[1]);
1079 if (op->id == opid2('*','=')) {
1080 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1081 exprs[0], exprs[1]);
1083 /* there's no DIV_VF */
1084 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
1085 (ast_expression*)parser_const_float_1(parser),
1089 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1094 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1095 type_name[exprs[0]->expression.vtype],
1096 type_name[exprs[1]->expression.vtype]);
1100 case opid2('&','='):
1101 case opid2('|','='):
1102 if (NotSameType(TYPE_FLOAT)) {
1103 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1104 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1105 parseerror(parser, "invalid types used in expression: %s and %s",
1109 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1110 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1112 if (ast_istype(exprs[0], ast_entfield))
1113 assignop = type_storep_instr[exprs[0]->expression.vtype];
1115 assignop = type_store_instr[exprs[0]->expression.vtype];
1116 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1117 (op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
1118 exprs[0], exprs[1]);
1120 case opid3('&','~','='):
1121 /* This is like: a &= ~(b);
1122 * But QC has no bitwise-not, so we implement it as
1125 if (NotSameType(TYPE_FLOAT)) {
1126 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1127 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1128 parseerror(parser, "invalid types used in expression: %s and %s",
1132 if (ast_istype(exprs[0], ast_entfield))
1133 assignop = type_storep_instr[exprs[0]->expression.vtype];
1135 assignop = type_store_instr[exprs[0]->expression.vtype];
1136 out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
1139 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1140 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1142 asbinstore = ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
1143 asbinstore->keep_dest = true;
1144 out = (ast_expression*)asbinstore;
1150 parseerror(parser, "failed to apply operand %s", op->op);
1154 DEBUGSHUNTDO(con_out("applied %s\n", op->op));
1155 vec_push(sy->out, syexp(ctx, out));
1159 static bool parser_close_call(parser_t *parser, shunt *sy)
1161 /* was a function call */
1162 ast_expression *fun;
1168 vec_shrinkby(sy->ops, 1);
1169 fid = sy->ops[vec_size(sy->ops)].off;
1171 /* out[fid] is the function
1172 * everything above is parameters...
1173 * 0 params = nothing
1174 * 1 params = ast_expression
1178 if (vec_size(sy->out) < 1 || vec_size(sy->out) <= fid) {
1179 parseerror(parser, "internal error: function call needs function and parameter list...");
1183 fun = sy->out[fid].out;
1185 call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
1187 parseerror(parser, "out of memory");
1191 if (fid+1 == vec_size(sy->out)) {
1194 } else if (fid+2 == vec_size(sy->out)) {
1196 vec_shrinkby(sy->out, 1);
1197 params = sy->out[vec_size(sy->out)].block;
1201 vec_push(call->params, sy->out[vec_size(sy->out)].out);
1203 paramcount = vec_size(params->exprs);
1204 call->params = params->exprs;
1205 params->exprs = NULL;
1208 if (!ast_call_check_types(call))
1211 parseerror(parser, "invalid function call");
1215 /* overwrite fid, the function, with a call */
1216 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
1218 if (fun->expression.vtype != TYPE_FUNCTION) {
1219 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
1223 if (!fun->expression.next) {
1224 parseerror(parser, "could not determine function return type");
1227 if (vec_size(fun->expression.params) != paramcount &&
1228 !(fun->expression.variadic &&
1229 vec_size(fun->expression.params) < paramcount))
1232 const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
1234 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
1235 if (opts_standard == COMPILER_GMQCC)
1238 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
1239 " -> `%s` has been declared here: %s:%i",
1240 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1241 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1243 parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
1244 " -> `%s` has been declared here: %s:%i",
1245 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1246 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1252 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1253 "too %s parameters for call to %s: expected %i, got %i\n"
1254 " -> `%s` has been declared here: %s:%i",
1255 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1256 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1258 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1259 "too %s parameters for function call: expected %i, got %i\n"
1260 " -> `%s` has been declared here: %s:%i",
1261 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1262 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1270 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1272 if (!vec_size(sy->ops)) {
1273 parseerror(parser, "unmatched closing paren");
1276 /* this would for bit a + (x) because there are no operators inside (x)
1277 if (sy->ops[vec_size(sy->ops)-1].paren == 1) {
1278 parseerror(parser, "empty parenthesis expression");
1282 while (vec_size(sy->ops)) {
1283 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_FUNC) {
1284 if (!parser_close_call(parser, sy))
1288 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_EXPR) {
1289 vec_shrinkby(sy->ops, 1);
1290 return !functions_only;
1292 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_INDEX) {
1295 /* pop off the parenthesis */
1296 vec_shrinkby(sy->ops, 1);
1297 /* then apply the index operator */
1298 if (!parser_sy_pop(parser, sy))
1302 if (!parser_sy_pop(parser, sy))
1308 static void parser_reclassify_token(parser_t *parser)
1311 for (i = 0; i < operator_count; ++i) {
1312 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1313 parser->tok = TOKEN_OPERATOR;
1319 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma)
1321 ast_expression *expr = NULL;
1323 bool wantop = false;
1324 bool gotmemberof = false;
1326 /* count the parens because an if starts with one, so the
1327 * end of a condition is an unmatched closing paren
1335 parser->lex->flags.noops = false;
1337 parser_reclassify_token(parser);
1342 gotmemberof = false;
1344 parser->memberof = 0;
1346 if (OPTS_FLAG(TRANSLATABLE_STRINGS) &&
1347 parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "_"))
1349 /* a translatable string */
1353 parseerror(parser, "expected operator or end of statement, got constant");
1357 parser->lex->flags.noops = true;
1358 if (!parser_next(parser) || parser->tok != '(') {
1359 parseerror(parser, "use _(\"string\") to create a translatable string constant");
1362 parser->lex->flags.noops = false;
1363 if (!parser_next(parser) || parser->tok != TOKEN_STRINGCONST) {
1364 parseerror(parser, "expected a constant string in translatable-string extension");
1367 val = parser_const_string(parser, parser_tokval(parser), true);
1371 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1372 DEBUGSHUNTDO(con_out("push string\n"));
1374 if (!parser_next(parser) || parser->tok != ')') {
1375 parseerror(parser, "expected closing paren after translatable string");
1379 else if (parser->tok == TOKEN_IDENT)
1381 ast_expression *var;
1383 parseerror(parser, "expected operator or end of statement");
1388 if (opts_standard == COMPILER_GMQCC)
1390 if (parser->memberof == TYPE_ENTITY) {
1391 /* still get vars first since there could be a fieldpointer */
1392 var = parser_find_var(parser, parser_tokval(parser));
1394 var = parser_find_field(parser, parser_tokval(parser));
1396 else if (parser->memberof == TYPE_VECTOR)
1398 parseerror(parser, "TODO: implement effective vector member access");
1401 else if (parser->memberof) {
1402 parseerror(parser, "namespace for member not found");
1406 var = parser_find_var(parser, parser_tokval(parser));
1408 var = parser_find_var(parser, parser_tokval(parser));
1410 var = parser_find_field(parser, parser_tokval(parser));
1413 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1416 if (ast_istype(var, ast_value)) {
1417 ((ast_value*)var)->uses++;
1419 else if (ast_istype(var, ast_member)) {
1420 ast_member *mem = (ast_member*)var;
1421 if (ast_istype(mem->owner, ast_value))
1422 ((ast_value*)(mem->owner))->uses++;
1424 vec_push(sy.out, syexp(parser_ctx(parser), var));
1425 DEBUGSHUNTDO(con_out("push %s\n", parser_tokval(parser)));
1427 else if (parser->tok == TOKEN_FLOATCONST) {
1430 parseerror(parser, "expected operator or end of statement, got constant");
1434 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1437 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1438 DEBUGSHUNTDO(con_out("push %g\n", parser_token(parser)->constval.f));
1440 else if (parser->tok == TOKEN_INTCONST || parser->tok == TOKEN_CHARCONST) {
1443 parseerror(parser, "expected operator or end of statement, got constant");
1447 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1450 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1451 DEBUGSHUNTDO(con_out("push %i\n", parser_token(parser)->constval.i));
1453 else if (parser->tok == TOKEN_STRINGCONST) {
1456 parseerror(parser, "expected operator or end of statement, got constant");
1460 val = parser_const_string(parser, parser_tokval(parser), false);
1463 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1464 DEBUGSHUNTDO(con_out("push string\n"));
1466 else if (parser->tok == TOKEN_VECTORCONST) {
1469 parseerror(parser, "expected operator or end of statement, got constant");
1473 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1476 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1477 DEBUGSHUNTDO(con_out("push '%g %g %g'\n",
1478 parser_token(parser)->constval.v.x,
1479 parser_token(parser)->constval.v.y,
1480 parser_token(parser)->constval.v.z));
1482 else if (parser->tok == '(') {
1483 parseerror(parser, "internal error: '(' should be classified as operator");
1486 else if (parser->tok == '[') {
1487 parseerror(parser, "internal error: '[' should be classified as operator");
1490 else if (parser->tok == ')') {
1492 DEBUGSHUNTDO(con_out("do[op] )\n"));
1496 /* we do expect an operator next */
1497 /* closing an opening paren */
1498 if (!parser_close_paren(parser, &sy, false))
1501 DEBUGSHUNTDO(con_out("do[nop] )\n"));
1505 /* allowed for function calls */
1506 if (!parser_close_paren(parser, &sy, true))
1511 else if (parser->tok == ']') {
1513 parseerror(parser, "operand expected");
1517 if (!parser_close_paren(parser, &sy, false))
1521 else if (parser->tok != TOKEN_OPERATOR) {
1523 parseerror(parser, "expected operator or end of statement");
1530 /* classify the operator */
1531 const oper_info *op;
1532 const oper_info *olast = NULL;
1534 for (o = 0; o < operator_count; ++o) {
1535 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1536 /* !(operators[o].flags & OP_SUFFIX) && / * remove this */
1537 !strcmp(parser_tokval(parser), operators[o].op))
1542 if (o == operator_count) {
1543 /* no operator found... must be the end of the statement */
1546 /* found an operator */
1549 /* when declaring variables, a comma starts a new variable */
1550 if (op->id == opid1(',') && !parens && stopatcomma) {
1551 /* fixup the token */
1556 /* a colon without a pervious question mark cannot be a ternary */
1557 if (!ternaries && op->id == opid2(':','?')) {
1562 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1563 olast = &operators[vec_last(sy.ops).etype-1];
1566 (op->prec < olast->prec) ||
1567 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1569 if (!parser_sy_pop(parser, &sy))
1571 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1572 olast = &operators[vec_last(sy.ops).etype-1];
1577 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1578 /* for gmqcc standard: open up the namespace of the previous type */
1579 ast_expression *prevex = vec_last(sy.out).out;
1581 parseerror(parser, "unexpected member operator");
1584 if (prevex->expression.vtype == TYPE_ENTITY)
1585 parser->memberof = TYPE_ENTITY;
1586 else if (prevex->expression.vtype == TYPE_VECTOR)
1587 parser->memberof = TYPE_VECTOR;
1589 parseerror(parser, "type error: type has no members");
1595 if (op->id == opid1('(')) {
1597 size_t sycount = vec_size(sy.out);
1598 DEBUGSHUNTDO(con_out("push [op] (\n"));
1600 /* we expected an operator, this is the function-call operator */
1601 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_FUNC, sycount-1));
1604 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0));
1605 DEBUGSHUNTDO(con_out("push [nop] (\n"));
1608 } else if (op->id == opid1('[')) {
1610 parseerror(parser, "unexpected array subscript");
1614 /* push both the operator and the paren, this makes life easier */
1615 vec_push(sy.ops, syop(parser_ctx(parser), op));
1616 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0));
1618 } else if (op->id == opid2('?',':')) {
1620 vec_push(sy.ops, syop(parser_ctx(parser), op));
1623 } else if (op->id == opid2(':','?')) {
1624 /* we don't push this operator */
1628 DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
1629 vec_push(sy.ops, syop(parser_ctx(parser), op));
1630 wantop = !!(op->flags & OP_SUFFIX);
1633 if (!parser_next(parser)) {
1636 if (parser->tok == ';' ||
1637 (!parens && parser->tok == ']'))
1643 while (vec_size(sy.ops)) {
1644 if (!parser_sy_pop(parser, &sy))
1648 parser->lex->flags.noops = true;
1649 if (!vec_size(sy.out)) {
1650 parseerror(parser, "empty expression");
1653 expr = sy.out[0].out;
1656 DEBUGSHUNTDO(con_out("shunt done\n"));
1660 parser->lex->flags.noops = true;
1666 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma)
1668 ast_expression *e = parse_expression_leave(parser, stopatcomma);
1671 if (!parser_next(parser)) {
1678 static void parser_enterblock(parser_t *parser)
1680 vec_push(parser->variables, util_htnew(PARSER_HT_SIZE));
1681 vec_push(parser->_blocklocals, vec_size(parser->_locals));
1682 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
1683 vec_push(parser->_blocktypedefs, vec_size(parser->_typedefs));
1684 vec_push(parser->_block_ctx, parser_ctx(parser));
1687 static bool parser_leaveblock(parser_t *parser)
1690 size_t locals, typedefs;
1692 if (vec_size(parser->variables) <= PARSER_HT_LOCALS) {
1693 parseerror(parser, "internal error: parser_leaveblock with no block");
1697 util_htdel(vec_last(parser->variables));
1698 vec_pop(parser->variables);
1699 if (!vec_size(parser->_blocklocals)) {
1701 compile_error(vec_last(parser->_block_ctx), "internal error: parser_leaveblock with no block (2)");
1705 locals = vec_last(parser->_blocklocals);
1706 vec_pop(parser->_blocklocals);
1707 while (vec_size(parser->_locals) != locals) {
1708 ast_expression *e = vec_last(parser->_locals);
1709 ast_value *v = (ast_value*)e;
1710 vec_pop(parser->_locals);
1711 if (ast_istype(e, ast_value) && !v->uses) {
1712 if (compile_warning(ast_ctx(v), WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name)) {
1719 typedefs = vec_last(parser->_blocktypedefs);
1720 while (vec_size(parser->_typedefs) != typedefs) {
1721 ast_delete(vec_last(parser->_typedefs));
1722 vec_pop(parser->_typedefs);
1724 util_htdel(vec_last(parser->typedefs));
1725 vec_pop(parser->typedefs);
1727 vec_pop(parser->_block_ctx);
1731 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e)
1733 vec_push(parser->_locals, e);
1734 util_htset(vec_last(parser->variables), name, (void*)e);
1737 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1740 ast_expression *cond, *ontrue, *onfalse = NULL;
1743 lex_ctx ctx = parser_ctx(parser);
1745 (void)block; /* not touching */
1747 /* skip the 'if', parse an optional 'not' and check for an opening paren */
1748 if (!parser_next(parser)) {
1749 parseerror(parser, "expected condition or 'not'");
1752 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "not")) {
1754 if (!parser_next(parser)) {
1755 parseerror(parser, "expected condition in parenthesis");
1759 if (parser->tok != '(') {
1760 parseerror(parser, "expected 'if' condition in parenthesis");
1763 /* parse into the expression */
1764 if (!parser_next(parser)) {
1765 parseerror(parser, "expected 'if' condition after opening paren");
1768 /* parse the condition */
1769 cond = parse_expression_leave(parser, false);
1773 if (parser->tok != ')') {
1774 parseerror(parser, "expected closing paren after 'if' condition");
1778 /* parse into the 'then' branch */
1779 if (!parser_next(parser)) {
1780 parseerror(parser, "expected statement for on-true branch of 'if'");
1784 ontrue = parse_statement_or_block(parser);
1789 /* check for an else */
1790 if (!strcmp(parser_tokval(parser), "else")) {
1791 /* parse into the 'else' branch */
1792 if (!parser_next(parser)) {
1793 parseerror(parser, "expected on-false branch after 'else'");
1798 onfalse = parse_statement_or_block(parser);
1807 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
1809 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1810 *out = (ast_expression*)ifthen;
1814 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1817 ast_expression *cond, *ontrue;
1819 lex_ctx ctx = parser_ctx(parser);
1821 (void)block; /* not touching */
1823 /* skip the 'while' and check for opening paren */
1824 if (!parser_next(parser) || parser->tok != '(') {
1825 parseerror(parser, "expected 'while' condition in parenthesis");
1828 /* parse into the expression */
1829 if (!parser_next(parser)) {
1830 parseerror(parser, "expected 'while' condition after opening paren");
1833 /* parse the condition */
1834 cond = parse_expression_leave(parser, false);
1838 if (parser->tok != ')') {
1839 parseerror(parser, "expected closing paren after 'while' condition");
1843 /* parse into the 'then' branch */
1844 if (!parser_next(parser)) {
1845 parseerror(parser, "expected while-loop body");
1849 ontrue = parse_statement_or_block(parser);
1855 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1856 *out = (ast_expression*)aloop;
1860 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1863 ast_expression *cond, *ontrue;
1865 lex_ctx ctx = parser_ctx(parser);
1867 (void)block; /* not touching */
1869 /* skip the 'do' and get the body */
1870 if (!parser_next(parser)) {
1871 parseerror(parser, "expected loop body");
1874 ontrue = parse_statement_or_block(parser);
1878 /* expect the "while" */
1879 if (parser->tok != TOKEN_KEYWORD ||
1880 strcmp(parser_tokval(parser), "while"))
1882 parseerror(parser, "expected 'while' and condition");
1887 /* skip the 'while' and check for opening paren */
1888 if (!parser_next(parser) || parser->tok != '(') {
1889 parseerror(parser, "expected 'while' condition in parenthesis");
1893 /* parse into the expression */
1894 if (!parser_next(parser)) {
1895 parseerror(parser, "expected 'while' condition after opening paren");
1899 /* parse the condition */
1900 cond = parse_expression_leave(parser, false);
1904 if (parser->tok != ')') {
1905 parseerror(parser, "expected closing paren after 'while' condition");
1911 if (!parser_next(parser) || parser->tok != ';') {
1912 parseerror(parser, "expected semicolon after condition");
1918 if (!parser_next(parser)) {
1919 parseerror(parser, "parse error");
1925 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1926 *out = (ast_expression*)aloop;
1930 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1933 ast_expression *initexpr, *cond, *increment, *ontrue;
1937 lex_ctx ctx = parser_ctx(parser);
1939 parser_enterblock(parser);
1946 /* skip the 'while' and check for opening paren */
1947 if (!parser_next(parser) || parser->tok != '(') {
1948 parseerror(parser, "expected 'for' expressions in parenthesis");
1951 /* parse into the expression */
1952 if (!parser_next(parser)) {
1953 parseerror(parser, "expected 'for' initializer after opening paren");
1958 if (parser->tok == TOKEN_IDENT)
1959 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
1961 if (typevar || parser->tok == TOKEN_TYPENAME) {
1962 if (opts_standard != COMPILER_GMQCC) {
1963 if (parsewarning(parser, WARN_EXTENSIONS,
1964 "current standard does not allow variable declarations in for-loop initializers"))
1967 if (!parse_variable(parser, block, true, CV_VAR, typevar))
1970 else if (parser->tok != ';')
1972 initexpr = parse_expression_leave(parser, false);
1977 /* move on to condition */
1978 if (parser->tok != ';') {
1979 parseerror(parser, "expected semicolon after for-loop initializer");
1982 if (!parser_next(parser)) {
1983 parseerror(parser, "expected for-loop condition");
1987 /* parse the condition */
1988 if (parser->tok != ';') {
1989 cond = parse_expression_leave(parser, false);
1994 /* move on to incrementor */
1995 if (parser->tok != ';') {
1996 parseerror(parser, "expected semicolon after for-loop initializer");
1999 if (!parser_next(parser)) {
2000 parseerror(parser, "expected for-loop condition");
2004 /* parse the incrementor */
2005 if (parser->tok != ')') {
2006 increment = parse_expression_leave(parser, false);
2009 if (!ast_side_effects(increment)) {
2010 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2016 if (parser->tok != ')') {
2017 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
2020 /* parse into the 'then' branch */
2021 if (!parser_next(parser)) {
2022 parseerror(parser, "expected for-loop body");
2025 ontrue = parse_statement_or_block(parser);
2030 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
2031 *out = (ast_expression*)aloop;
2033 if (!parser_leaveblock(parser))
2037 if (initexpr) ast_delete(initexpr);
2038 if (cond) ast_delete(cond);
2039 if (increment) ast_delete(increment);
2040 (void)!parser_leaveblock(parser);
2044 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
2046 ast_expression *exp = NULL;
2047 ast_return *ret = NULL;
2048 ast_value *expected = parser->function->vtype;
2050 (void)block; /* not touching */
2052 if (!parser_next(parser)) {
2053 parseerror(parser, "expected return expression");
2057 if (parser->tok != ';') {
2058 exp = parse_expression(parser, false);
2062 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
2063 parseerror(parser, "return with invalid expression");
2066 ret = ast_return_new(exp->expression.node.context, exp);
2072 if (!parser_next(parser))
2073 parseerror(parser, "parse error");
2074 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2075 if (opts_standard != COMPILER_GMQCC)
2076 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2078 parseerror(parser, "return without value");
2080 ret = ast_return_new(parser_ctx(parser), NULL);
2082 *out = (ast_expression*)ret;
2086 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2088 lex_ctx ctx = parser_ctx(parser);
2090 (void)block; /* not touching */
2092 if (!parser_next(parser) || parser->tok != ';') {
2093 parseerror(parser, "expected semicolon");
2097 if (!parser_next(parser))
2098 parseerror(parser, "parse error");
2100 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
2104 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2106 ast_expression *operand;
2108 ast_switch *switchnode;
2109 ast_switch_case swcase;
2111 lex_ctx ctx = parser_ctx(parser);
2113 (void)block; /* not touching */
2116 /* parse over the opening paren */
2117 if (!parser_next(parser) || parser->tok != '(') {
2118 parseerror(parser, "expected switch operand in parenthesis");
2122 /* parse into the expression */
2123 if (!parser_next(parser)) {
2124 parseerror(parser, "expected switch operand");
2127 /* parse the operand */
2128 operand = parse_expression_leave(parser, false);
2132 switchnode = ast_switch_new(ctx, operand);
2135 if (parser->tok != ')') {
2136 ast_delete(switchnode);
2137 parseerror(parser, "expected closing paren after 'switch' operand");
2141 /* parse over the opening paren */
2142 if (!parser_next(parser) || parser->tok != '{') {
2143 ast_delete(switchnode);
2144 parseerror(parser, "expected list of cases");
2148 if (!parser_next(parser)) {
2149 ast_delete(switchnode);
2150 parseerror(parser, "expected 'case' or 'default'");
2155 while (parser->tok != '}') {
2156 ast_block *caseblock;
2158 if (parser->tok != TOKEN_KEYWORD) {
2159 ast_delete(switchnode);
2160 parseerror(parser, "expected 'case' or 'default'");
2163 if (!strcmp(parser_tokval(parser), "case")) {
2164 if (!parser_next(parser)) {
2165 ast_delete(switchnode);
2166 parseerror(parser, "expected expression for case");
2169 swcase.value = parse_expression_leave(parser, false);
2170 if (!swcase.value) {
2171 ast_delete(switchnode);
2172 parseerror(parser, "expected expression for case");
2175 if (!OPTS_FLAG(RELAXED_SWITCH)) {
2176 opval = (ast_value*)swcase.value;
2177 if (!ast_istype(swcase.value, ast_value)) { /* || opval->cvq != CV_CONST) { */
2178 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
2184 else if (!strcmp(parser_tokval(parser), "default")) {
2185 swcase.value = NULL;
2186 if (!parser_next(parser)) {
2187 ast_delete(switchnode);
2188 parseerror(parser, "expected colon");
2193 /* Now the colon and body */
2194 if (parser->tok != ':') {
2195 if (swcase.value) ast_unref(swcase.value);
2196 ast_delete(switchnode);
2197 parseerror(parser, "expected colon");
2201 if (!parser_next(parser)) {
2202 if (swcase.value) ast_unref(swcase.value);
2203 ast_delete(switchnode);
2204 parseerror(parser, "expected statements or case");
2207 caseblock = ast_block_new(parser_ctx(parser));
2209 if (swcase.value) ast_unref(swcase.value);
2210 ast_delete(switchnode);
2213 swcase.code = (ast_expression*)caseblock;
2214 vec_push(switchnode->cases, swcase);
2216 ast_expression *expr;
2217 if (parser->tok == '}')
2219 if (parser->tok == TOKEN_KEYWORD) {
2220 if (!strcmp(parser_tokval(parser), "case") ||
2221 !strcmp(parser_tokval(parser), "default"))
2226 if (!parse_statement(parser, caseblock, &expr, true)) {
2227 ast_delete(switchnode);
2232 ast_block_add_expr(caseblock, expr);
2237 if (parser->tok != '}') {
2238 ast_delete(switchnode);
2239 parseerror(parser, "expected closing paren of case list");
2242 if (!parser_next(parser)) {
2243 ast_delete(switchnode);
2244 parseerror(parser, "parse error after switch");
2247 *out = (ast_expression*)switchnode;
2251 static bool parse_goto(parser_t *parser, ast_expression **out)
2256 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2257 parseerror(parser, "expected label name after `goto`");
2261 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
2263 for (i = 0; i < vec_size(parser->labels); ++i) {
2264 if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
2265 ast_goto_set_label(gt, parser->labels[i]);
2269 if (i == vec_size(parser->labels))
2270 vec_push(parser->gotos, gt);
2272 if (!parser_next(parser) || parser->tok != ';') {
2273 parseerror(parser, "semicolon expected after goto label");
2276 if (!parser_next(parser)) {
2277 parseerror(parser, "parse error after goto");
2281 *out = (ast_expression*)gt;
2285 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
2288 ast_value *typevar = NULL;
2291 if (parser->tok == TOKEN_IDENT)
2292 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2294 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
2296 /* local variable */
2298 parseerror(parser, "cannot declare a variable from here");
2301 if (opts_standard == COMPILER_QCC) {
2302 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
2305 if (!parse_variable(parser, block, false, CV_NONE, typevar))
2310 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
2314 else if (parser->tok == TOKEN_KEYWORD)
2316 if (!strcmp(parser_tokval(parser), "local") ||
2317 !strcmp(parser_tokval(parser), "const") ||
2318 !strcmp(parser_tokval(parser), "var"))
2321 if (parser_tokval(parser)[0] == 'c')
2323 else if (parser_tokval(parser)[0] == 'v')
2329 parseerror(parser, "cannot declare a local variable here");
2332 if (!parser_next(parser)) {
2333 parseerror(parser, "expected variable declaration");
2336 if (!parse_variable(parser, block, true, cvq, NULL))
2341 else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
2346 if (!parser_next(parser)) {
2347 parseerror(parser, "parse error after __builtin_debug_printtype");
2351 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
2353 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
2354 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
2355 if (!parser_next(parser)) {
2356 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
2362 if (!parse_statement(parser, block, out, allow_cases))
2365 con_out("__builtin_debug_printtype: got no output node\n");
2368 ast_type_to_string(*out, ty, sizeof(ty));
2369 con_out("__builtin_debug_printtype: `%s`\n", ty);
2374 else if (!strcmp(parser_tokval(parser), "return"))
2376 return parse_return(parser, block, out);
2378 else if (!strcmp(parser_tokval(parser), "if"))
2380 return parse_if(parser, block, out);
2382 else if (!strcmp(parser_tokval(parser), "while"))
2384 return parse_while(parser, block, out);
2386 else if (!strcmp(parser_tokval(parser), "do"))
2388 return parse_dowhile(parser, block, out);
2390 else if (!strcmp(parser_tokval(parser), "for"))
2392 if (opts_standard == COMPILER_QCC) {
2393 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
2396 return parse_for(parser, block, out);
2398 else if (!strcmp(parser_tokval(parser), "break"))
2400 return parse_break_continue(parser, block, out, false);
2402 else if (!strcmp(parser_tokval(parser), "continue"))
2404 return parse_break_continue(parser, block, out, true);
2406 else if (!strcmp(parser_tokval(parser), "switch"))
2408 return parse_switch(parser, block, out);
2410 else if (!strcmp(parser_tokval(parser), "case") ||
2411 !strcmp(parser_tokval(parser), "default"))
2414 parseerror(parser, "unexpected 'case' label");
2419 else if (!strcmp(parser_tokval(parser), "goto"))
2421 return parse_goto(parser, out);
2423 else if (!strcmp(parser_tokval(parser), "typedef"))
2425 if (!parser_next(parser)) {
2426 parseerror(parser, "expected type definition after 'typedef'");
2429 return parse_typedef(parser);
2431 parseerror(parser, "Unexpected keyword");
2434 else if (parser->tok == '{')
2437 inner = parse_block(parser);
2440 *out = (ast_expression*)inner;
2443 else if (parser->tok == ':')
2447 if (!parser_next(parser)) {
2448 parseerror(parser, "expected label name");
2451 if (parser->tok != TOKEN_IDENT) {
2452 parseerror(parser, "label must be an identifier");
2455 label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
2458 vec_push(parser->labels, label);
2459 *out = (ast_expression*)label;
2460 if (!parser_next(parser)) {
2461 parseerror(parser, "parse error after label");
2464 for (i = 0; i < vec_size(parser->gotos); ++i) {
2465 if (!strcmp(parser->gotos[i]->name, label->name)) {
2466 ast_goto_set_label(parser->gotos[i], label);
2467 vec_remove(parser->gotos, i, 1);
2473 else if (parser->tok == ';')
2475 if (!parser_next(parser)) {
2476 parseerror(parser, "parse error after empty statement");
2483 ast_expression *exp = parse_expression(parser, false);
2487 if (!ast_side_effects(exp)) {
2488 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2495 static bool parse_block_into(parser_t *parser, ast_block *block)
2499 parser_enterblock(parser);
2501 if (!parser_next(parser)) { /* skip the '{' */
2502 parseerror(parser, "expected function body");
2506 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2508 ast_expression *expr = NULL;
2509 if (parser->tok == '}')
2512 if (!parse_statement(parser, block, &expr, false)) {
2513 /* parseerror(parser, "parse error"); */
2519 ast_block_add_expr(block, expr);
2522 if (parser->tok != '}') {
2525 (void)parser_next(parser);
2529 if (!parser_leaveblock(parser))
2531 return retval && !!block;
2534 static ast_block* parse_block(parser_t *parser)
2537 block = ast_block_new(parser_ctx(parser));
2540 if (!parse_block_into(parser, block)) {
2541 ast_block_delete(block);
2547 static ast_expression* parse_statement_or_block(parser_t *parser)
2549 ast_expression *expr = NULL;
2550 if (parser->tok == '{')
2551 return (ast_expression*)parse_block(parser);
2552 if (!parse_statement(parser, NULL, &expr, false))
2557 static bool create_vector_members(ast_value *var, ast_member **me)
2560 size_t len = strlen(var->name);
2562 for (i = 0; i < 3; ++i) {
2563 char *name = mem_a(len+3);
2564 memcpy(name, var->name, len);
2566 name[len+1] = 'x'+i;
2568 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
2577 do { ast_member_delete(me[--i]); } while(i);
2581 static bool parse_function_body(parser_t *parser, ast_value *var)
2583 ast_block *block = NULL;
2588 ast_expression *framenum = NULL;
2589 ast_expression *nextthink = NULL;
2590 /* None of the following have to be deleted */
2591 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
2592 ast_expression *gbl_time = NULL, *gbl_self = NULL;
2593 bool has_frame_think;
2597 has_frame_think = false;
2598 old = parser->function;
2600 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
2601 parseerror(parser, "gotos/labels leaking");
2605 if (var->expression.variadic) {
2606 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2607 "variadic function with implementation will not be able to access additional parameters"))
2613 if (parser->tok == '[') {
2614 /* got a frame definition: [ framenum, nextthink ]
2615 * this translates to:
2616 * self.frame = framenum;
2617 * self.nextthink = time + 0.1;
2618 * self.think = nextthink;
2622 fld_think = parser_find_field(parser, "think");
2623 fld_nextthink = parser_find_field(parser, "nextthink");
2624 fld_frame = parser_find_field(parser, "frame");
2625 if (!fld_think || !fld_nextthink || !fld_frame) {
2626 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2627 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2630 gbl_time = parser_find_global(parser, "time");
2631 gbl_self = parser_find_global(parser, "self");
2632 if (!gbl_time || !gbl_self) {
2633 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2634 parseerror(parser, "please declare the following globals: `time`, `self`");
2638 if (!parser_next(parser))
2641 framenum = parse_expression_leave(parser, true);
2643 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2646 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
2647 ast_unref(framenum);
2648 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2652 if (parser->tok != ',') {
2653 ast_unref(framenum);
2654 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2655 parseerror(parser, "Got a %i\n", parser->tok);
2659 if (!parser_next(parser)) {
2660 ast_unref(framenum);
2664 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2666 /* qc allows the use of not-yet-declared functions here
2667 * - this automatically creates a prototype */
2668 ast_value *thinkfunc;
2669 ast_expression *functype = fld_think->expression.next;
2671 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2672 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2673 ast_unref(framenum);
2674 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2678 if (!parser_next(parser)) {
2679 ast_unref(framenum);
2680 ast_delete(thinkfunc);
2684 vec_push(parser->globals, (ast_expression*)thinkfunc);
2685 util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
2686 nextthink = (ast_expression*)thinkfunc;
2689 nextthink = parse_expression_leave(parser, true);
2691 ast_unref(framenum);
2692 parseerror(parser, "expected a think-function in [frame,think] notation");
2697 if (!ast_istype(nextthink, ast_value)) {
2698 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2702 if (retval && parser->tok != ']') {
2703 parseerror(parser, "expected closing `]` for [frame,think] notation");
2707 if (retval && !parser_next(parser)) {
2711 if (retval && parser->tok != '{') {
2712 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2717 ast_unref(nextthink);
2718 ast_unref(framenum);
2722 has_frame_think = true;
2725 block = ast_block_new(parser_ctx(parser));
2727 parseerror(parser, "failed to allocate block");
2728 if (has_frame_think) {
2729 ast_unref(nextthink);
2730 ast_unref(framenum);
2735 if (has_frame_think) {
2737 ast_expression *self_frame;
2738 ast_expression *self_nextthink;
2739 ast_expression *self_think;
2740 ast_expression *time_plus_1;
2741 ast_store *store_frame;
2742 ast_store *store_nextthink;
2743 ast_store *store_think;
2745 ctx = parser_ctx(parser);
2746 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2747 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2748 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2750 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2751 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2753 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2754 if (self_frame) ast_delete(self_frame);
2755 if (self_nextthink) ast_delete(self_nextthink);
2756 if (self_think) ast_delete(self_think);
2757 if (time_plus_1) ast_delete(time_plus_1);
2763 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2764 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2765 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2768 ast_delete(self_frame);
2771 if (!store_nextthink) {
2772 ast_delete(self_nextthink);
2776 ast_delete(self_think);
2780 if (store_frame) ast_delete(store_frame);
2781 if (store_nextthink) ast_delete(store_nextthink);
2782 if (store_think) ast_delete(store_think);
2785 ast_block_add_expr(block, (ast_expression*)store_frame);
2786 ast_block_add_expr(block, (ast_expression*)store_nextthink);
2787 ast_block_add_expr(block, (ast_expression*)store_think);
2791 parseerror(parser, "failed to generate code for [frame,think]");
2792 ast_unref(nextthink);
2793 ast_unref(framenum);
2799 parser_enterblock(parser);
2801 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2803 ast_value *param = var->expression.params[parami];
2806 if (param->expression.vtype != TYPE_VECTOR &&
2807 (param->expression.vtype != TYPE_FIELD ||
2808 param->expression.next->expression.vtype != TYPE_VECTOR))
2813 if (!create_vector_members(param, me)) {
2814 ast_block_delete(block);
2818 for (e = 0; e < 3; ++e) {
2819 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
2820 ast_block_collect(block, (ast_expression*)me[e]);
2824 func = ast_function_new(ast_ctx(var), var->name, var);
2826 parseerror(parser, "failed to allocate function for `%s`", var->name);
2827 ast_block_delete(block);
2830 vec_push(parser->functions, func);
2832 parser->function = func;
2833 if (!parse_block_into(parser, block)) {
2834 ast_block_delete(block);
2838 vec_push(func->blocks, block);
2840 parser->function = old;
2841 if (!parser_leaveblock(parser))
2843 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
2844 parseerror(parser, "internal error: local scopes left");
2848 if (parser->tok == ';')
2849 return parser_next(parser);
2850 else if (opts_standard == COMPILER_QCC)
2851 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2855 vec_pop(parser->functions);
2856 ast_function_delete(func);
2857 var->constval.vfunc = NULL;
2860 (void)!parser_leaveblock(parser);
2861 parser->function = old;
2865 static ast_expression *array_accessor_split(
2870 ast_expression *left,
2871 ast_expression *right
2877 lex_ctx ctx = ast_ctx(array);
2879 if (!left || !right) {
2880 if (left) ast_delete(left);
2881 if (right) ast_delete(right);
2885 cmp = ast_binary_new(ctx, INSTR_LT,
2886 (ast_expression*)index,
2887 (ast_expression*)parser_const_float(parser, middle));
2891 parseerror(parser, "internal error: failed to create comparison for array setter");
2895 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2897 ast_delete(cmp); /* will delete left and right */
2898 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2902 return (ast_expression*)ifthen;
2905 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2907 lex_ctx ctx = ast_ctx(array);
2909 if (from+1 == afterend) {
2910 /* set this value */
2913 ast_array_index *subscript;
2915 int assignop = type_store_instr[value->expression.vtype];
2917 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2918 assignop = INSTR_STORE_V;
2920 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2924 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2926 ast_delete(subscript);
2930 block = ast_block_new(ctx);
2936 ast_block_add_expr(block, (ast_expression*)st);
2938 ret = ast_return_new(ctx, NULL);
2944 ast_block_add_expr(block, (ast_expression*)ret);
2946 return (ast_expression*)block;
2948 ast_expression *left, *right;
2949 size_t diff = afterend - from;
2950 size_t middle = from + diff/2;
2951 left = array_setter_node(parser, array, index, value, from, middle);
2952 right = array_setter_node(parser, array, index, value, middle, afterend);
2953 return array_accessor_split(parser, array, index, middle, left, right);
2957 static ast_expression *array_field_setter_node(
2966 lex_ctx ctx = ast_ctx(array);
2968 if (from+1 == afterend) {
2969 /* set this value */
2972 ast_entfield *entfield;
2973 ast_array_index *subscript;
2975 int assignop = type_storep_instr[value->expression.vtype];
2977 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2978 assignop = INSTR_STOREP_V;
2980 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2984 entfield = ast_entfield_new_force(ctx,
2985 (ast_expression*)entity,
2986 (ast_expression*)subscript,
2987 (ast_expression*)subscript);
2989 ast_delete(subscript);
2993 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2995 ast_delete(entfield);
2999 block = ast_block_new(ctx);
3005 ast_block_add_expr(block, (ast_expression*)st);
3007 ret = ast_return_new(ctx, NULL);
3013 ast_block_add_expr(block, (ast_expression*)ret);
3015 return (ast_expression*)block;
3017 ast_expression *left, *right;
3018 size_t diff = afterend - from;
3019 size_t middle = from + diff/2;
3020 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
3021 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
3022 return array_accessor_split(parser, array, index, middle, left, right);
3026 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
3028 lex_ctx ctx = ast_ctx(array);
3030 if (from+1 == afterend) {
3032 ast_array_index *subscript;
3034 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
3038 ret = ast_return_new(ctx, (ast_expression*)subscript);
3040 ast_delete(subscript);
3044 return (ast_expression*)ret;
3046 ast_expression *left, *right;
3047 size_t diff = afterend - from;
3048 size_t middle = from + diff/2;
3049 left = array_getter_node(parser, array, index, from, middle);
3050 right = array_getter_node(parser, array, index, middle, afterend);
3051 return array_accessor_split(parser, array, index, middle, left, right);
3055 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
3057 ast_function *func = NULL;
3058 ast_value *fval = NULL;
3059 ast_block *body = NULL;
3061 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
3063 parseerror(parser, "failed to create accessor function value");
3067 func = ast_function_new(ast_ctx(array), funcname, fval);
3070 parseerror(parser, "failed to create accessor function node");
3074 body = ast_block_new(ast_ctx(array));
3076 parseerror(parser, "failed to create block for array accessor");
3082 vec_push(func->blocks, body);
3085 vec_push(parser->accessors, fval);
3090 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
3092 ast_expression *root = NULL;
3093 ast_value *index = NULL;
3094 ast_value *value = NULL;
3098 if (!ast_istype(array->expression.next, ast_value)) {
3099 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3103 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3105 func = fval->constval.vfunc;
3106 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3108 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3109 value = ast_value_copy((ast_value*)array->expression.next);
3111 if (!index || !value) {
3112 parseerror(parser, "failed to create locals for array accessor");
3115 (void)!ast_value_set_name(value, "value"); /* not important */
3116 vec_push(fval->expression.params, index);
3117 vec_push(fval->expression.params, value);
3119 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
3121 parseerror(parser, "failed to build accessor search tree");
3125 ast_block_add_expr(func->blocks[0], root);
3126 array->setter = fval;
3129 if (index) ast_delete(index);
3130 if (value) ast_delete(value);
3131 if (root) ast_delete(root);
3137 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
3139 ast_expression *root = NULL;
3140 ast_value *entity = NULL;
3141 ast_value *index = NULL;
3142 ast_value *value = NULL;
3146 if (!ast_istype(array->expression.next, ast_value)) {
3147 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3151 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3153 func = fval->constval.vfunc;
3154 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3156 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
3157 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3158 value = ast_value_copy((ast_value*)array->expression.next);
3159 if (!entity || !index || !value) {
3160 parseerror(parser, "failed to create locals for array accessor");
3163 (void)!ast_value_set_name(value, "value"); /* not important */
3164 vec_push(fval->expression.params, entity);
3165 vec_push(fval->expression.params, index);
3166 vec_push(fval->expression.params, value);
3168 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
3170 parseerror(parser, "failed to build accessor search tree");
3174 ast_block_add_expr(func->blocks[0], root);
3175 array->setter = fval;
3178 if (entity) ast_delete(entity);
3179 if (index) ast_delete(index);
3180 if (value) ast_delete(value);
3181 if (root) ast_delete(root);
3187 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
3189 ast_expression *root = NULL;
3190 ast_value *index = NULL;
3194 /* NOTE: checking array->expression.next rather than elemtype since
3195 * for fields elemtype is a temporary fieldtype.
3197 if (!ast_istype(array->expression.next, ast_value)) {
3198 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3202 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3204 func = fval->constval.vfunc;
3205 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
3207 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3210 parseerror(parser, "failed to create locals for array accessor");
3213 vec_push(fval->expression.params, index);
3215 root = array_getter_node(parser, array, index, 0, array->expression.count);
3217 parseerror(parser, "failed to build accessor search tree");
3221 ast_block_add_expr(func->blocks[0], root);
3222 array->getter = fval;
3225 if (index) ast_delete(index);
3226 if (root) ast_delete(root);
3232 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
3233 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
3241 bool variadic = false;
3243 ctx = parser_ctx(parser);
3245 /* for the sake of less code we parse-in in this function */
3246 if (!parser_next(parser)) {
3247 parseerror(parser, "expected parameter list");
3253 /* parse variables until we hit a closing paren */
3254 while (parser->tok != ')') {
3256 /* there must be commas between them */
3257 if (parser->tok != ',') {
3258 parseerror(parser, "expected comma or end of parameter list");
3261 if (!parser_next(parser)) {
3262 parseerror(parser, "expected parameter");
3268 if (parser->tok == TOKEN_DOTS) {
3269 /* '...' indicates a varargs function */
3271 if (!parser_next(parser)) {
3272 parseerror(parser, "expected parameter");
3275 if (parser->tok != ')') {
3276 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
3282 /* for anything else just parse a typename */
3283 param = parse_typename(parser, NULL, NULL);
3286 vec_push(params, param);
3287 if (param->expression.vtype >= TYPE_VARIANT) {
3288 char typename[1024];
3289 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
3290 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
3296 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
3300 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
3301 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
3304 if (!parser_next(parser)) {
3305 parseerror(parser, "parse error after typename");
3309 /* now turn 'var' into a function type */
3310 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
3311 fval->expression.next = (ast_expression*)var;
3312 fval->expression.variadic = variadic;
3315 var->expression.params = params;
3322 for (i = 0; i < vec_size(params); ++i)
3323 ast_delete(params[i]);
3328 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
3330 ast_expression *cexp;
3331 ast_value *cval, *tmp;
3334 ctx = parser_ctx(parser);
3336 if (!parser_next(parser)) {
3338 parseerror(parser, "expected array-size");
3342 cexp = parse_expression_leave(parser, true);
3344 if (!cexp || !ast_istype(cexp, ast_value)) {
3348 parseerror(parser, "expected array-size as constant positive integer");
3351 cval = (ast_value*)cexp;
3353 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
3354 tmp->expression.next = (ast_expression*)var;
3357 if (cval->expression.vtype == TYPE_INTEGER)
3358 tmp->expression.count = cval->constval.vint;
3359 else if (cval->expression.vtype == TYPE_FLOAT)
3360 tmp->expression.count = cval->constval.vfloat;
3364 parseerror(parser, "array-size must be a positive integer constant");
3369 if (parser->tok != ']') {
3371 parseerror(parser, "expected ']' after array-size");
3374 if (!parser_next(parser)) {
3376 parseerror(parser, "error after parsing array size");
3382 /* Parse a complete typename.
3383 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
3384 * but when parsing variables separated by comma
3385 * 'storebase' should point to where the base-type should be kept.
3386 * The base type makes up every bit of type information which comes *before* the
3389 * The following will be parsed in its entirety:
3391 * The 'basetype' in this case is 'void()'
3392 * and if there's a comma after it, say:
3394 * then the type-information 'void()' can be stored in 'storebase'
3396 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
3398 ast_value *var, *tmp;
3401 const char *name = NULL;
3402 bool isfield = false;
3403 bool wasarray = false;
3404 size_t morefields = 0;
3406 ctx = parser_ctx(parser);
3408 /* types may start with a dot */
3409 if (parser->tok == '.') {
3411 /* if we parsed a dot we need a typename now */
3412 if (!parser_next(parser)) {
3413 parseerror(parser, "expected typename for field definition");
3417 /* Further dots are handled seperately because they won't be part of the
3420 while (parser->tok == '.') {
3422 if (!parser_next(parser)) {
3423 parseerror(parser, "expected typename for field definition");
3428 if (parser->tok == TOKEN_IDENT)
3429 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
3430 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
3431 parseerror(parser, "expected typename");
3435 /* generate the basic type value */
3436 if (cached_typedef) {
3437 var = ast_value_copy(cached_typedef);
3438 ast_value_set_name(var, "<type(from_def)>");
3440 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
3442 for (; morefields; --morefields) {
3443 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
3444 tmp->expression.next = (ast_expression*)var;
3448 /* do not yet turn into a field - remember:
3449 * .void() foo; is a field too
3450 * .void()() foo; is a function
3454 if (!parser_next(parser)) {
3456 parseerror(parser, "parse error after typename");
3460 /* an opening paren now starts the parameter-list of a function
3461 * this is where original-QC has parameter lists.
3462 * We allow a single parameter list here.
3463 * Much like fteqcc we don't allow `float()() x`
3465 if (parser->tok == '(') {
3466 var = parse_parameter_list(parser, var);
3471 /* store the base if requested */
3473 *storebase = ast_value_copy(var);
3475 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3476 tmp->expression.next = (ast_expression*)*storebase;
3481 /* there may be a name now */
3482 if (parser->tok == TOKEN_IDENT) {
3483 name = util_strdup(parser_tokval(parser));
3485 if (!parser_next(parser)) {
3487 parseerror(parser, "error after variable or field declaration");
3492 /* now this may be an array */
3493 if (parser->tok == '[') {
3495 var = parse_arraysize(parser, var);
3500 /* This is the point where we can turn it into a field */
3502 /* turn it into a field if desired */
3503 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3504 tmp->expression.next = (ast_expression*)var;
3508 /* now there may be function parens again */
3509 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
3510 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3511 if (parser->tok == '(' && wasarray)
3512 parseerror(parser, "arrays as part of a return type is not supported");
3513 while (parser->tok == '(') {
3514 var = parse_parameter_list(parser, var);
3523 /* finally name it */
3525 if (!ast_value_set_name(var, name)) {
3527 parseerror(parser, "internal error: failed to set name");
3530 /* free the name, ast_value_set_name duplicates */
3537 static bool parse_typedef(parser_t *parser)
3539 ast_value *typevar, *oldtype;
3540 ast_expression *old;
3542 typevar = parse_typename(parser, NULL, NULL);
3547 if ( (old = parser_find_var(parser, typevar->name)) ) {
3548 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
3549 " -> `%s` has been declared here: %s:%i",
3550 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
3551 ast_delete(typevar);
3555 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
3556 parseerror(parser, "type `%s` has already been declared here: %s:%i",
3557 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
3558 ast_delete(typevar);
3562 vec_push(parser->_typedefs, typevar);
3563 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
3565 if (parser->tok != ';') {
3566 parseerror(parser, "expected semicolon after typedef");
3569 if (!parser_next(parser)) {
3570 parseerror(parser, "parse error after typedef");
3577 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef)
3581 ast_expression *old;
3585 ast_value *basetype = NULL;
3587 bool isparam = false;
3588 bool isvector = false;
3589 bool cleanvar = true;
3590 bool wasarray = false;
3594 /* get the first complete variable */
3595 var = parse_typename(parser, &basetype, cached_typedef);
3598 ast_delete(basetype);
3606 /* Part 0: finish the type */
3607 if (parser->tok == '(') {
3608 if (opts_standard == COMPILER_QCC)
3609 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3610 var = parse_parameter_list(parser, var);
3616 /* we only allow 1-dimensional arrays */
3617 if (parser->tok == '[') {
3619 var = parse_arraysize(parser, var);
3625 if (parser->tok == '(' && wasarray) {
3626 parseerror(parser, "arrays as part of a return type is not supported");
3627 /* we'll still parse the type completely for now */
3629 /* for functions returning functions */
3630 while (parser->tok == '(') {
3631 if (opts_standard == COMPILER_QCC)
3632 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3633 var = parse_parameter_list(parser, var);
3640 var->cvq = qualifier;
3643 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3644 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3645 * is then filled with the previous definition and the parameter-names replaced.
3648 /* Deal with end_sys_ vars */
3650 if (!strcmp(var->name, "end_sys_globals")) {
3651 parser->crc_globals = vec_size(parser->globals);
3654 else if (!strcmp(var->name, "end_sys_fields")) {
3655 parser->crc_fields = vec_size(parser->fields);
3658 if (was_end && var->expression.vtype == TYPE_FIELD) {
3659 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3660 "global '%s' hint should not be a field",
3661 parser_tokval(parser)))
3668 if (!nofields && var->expression.vtype == TYPE_FIELD)
3670 /* deal with field declarations */
3671 old = parser_find_field(parser, var->name);
3673 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3674 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3683 parseerror(parser, "field `%s` already declared here: %s:%i",
3684 var->name, ast_ctx(old).file, ast_ctx(old).line);
3689 if (opts_standard == COMPILER_QCC &&
3690 (old = parser_find_global(parser, var->name)))
3692 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3693 parseerror(parser, "field `%s` already declared here: %s:%i",
3694 var->name, ast_ctx(old).file, ast_ctx(old).line);
3701 /* deal with other globals */
3702 old = parser_find_global(parser, var->name);
3703 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3705 /* This is a function which had a prototype */
3706 if (!ast_istype(old, ast_value)) {
3707 parseerror(parser, "internal error: prototype is not an ast_value");
3711 proto = (ast_value*)old;
3712 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3713 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3715 ast_ctx(proto).file, ast_ctx(proto).line);
3719 /* we need the new parameter-names */
3720 for (i = 0; i < vec_size(proto->expression.params); ++i)
3721 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3729 if (opts_standard == COMPILER_GMQCC) {
3730 parseerror(parser, "global `%s` already declared here: %s:%i",
3731 var->name, ast_ctx(old).file, ast_ctx(old).line);
3735 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
3736 "global `%s` already declared here: %s:%i",
3737 var->name, ast_ctx(old).file, ast_ctx(old).line))
3742 proto = (ast_value*)old;
3743 if (!ast_istype(old, ast_value)) {
3744 parseerror(parser, "internal error: not an ast_value");
3753 if (opts_standard == COMPILER_QCC &&
3754 (old = parser_find_field(parser, var->name)))
3756 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3757 parseerror(parser, "global `%s` already declared here: %s:%i",
3758 var->name, ast_ctx(old).file, ast_ctx(old).line);
3765 else /* it's not a global */
3767 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
3768 if (old && !isparam) {
3769 parseerror(parser, "local `%s` already declared here: %s:%i",
3770 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3774 old = parser_find_local(parser, var->name, 0, &isparam);
3775 if (old && isparam) {
3776 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3777 "local `%s` is shadowing a parameter", var->name))
3779 parseerror(parser, "local `%s` already declared here: %s:%i",
3780 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3784 if (opts_standard != COMPILER_GMQCC) {
3793 * Create the global/local, and deal with vector types.
3796 if (var->expression.vtype == TYPE_VECTOR)
3798 else if (var->expression.vtype == TYPE_FIELD &&
3799 var->expression.next->expression.vtype == TYPE_VECTOR)
3803 if (!create_vector_members(var, me)) {
3810 /* deal with global variables, fields, functions */
3811 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3812 vec_push(parser->fields, (ast_expression*)var);
3813 util_htset(parser->htfields, var->name, var);
3815 for (i = 0; i < 3; ++i) {
3816 vec_push(parser->fields, (ast_expression*)me[i]);
3817 util_htset(parser->htfields, me[i]->name, me[i]);
3822 vec_push(parser->globals, (ast_expression*)var);
3823 util_htset(parser->htglobals, var->name, var);
3825 for (i = 0; i < 3; ++i) {
3826 vec_push(parser->globals, (ast_expression*)me[i]);
3827 util_htset(parser->htglobals, me[i]->name, me[i]);
3832 vec_push(localblock->locals, var);
3833 parser_addlocal(parser, var->name, (ast_expression*)var);
3835 for (i = 0; i < 3; ++i) {
3836 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
3837 ast_block_collect(localblock, (ast_expression*)me[i]);
3843 me[0] = me[1] = me[2] = NULL;
3848 if (var->expression.vtype == TYPE_ARRAY) {
3850 snprintf(name, sizeof(name), "%s##SET", var->name);
3851 if (!parser_create_array_setter(parser, var, name))
3853 snprintf(name, sizeof(name), "%s##GET", var->name);
3854 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3857 else if (!localblock && !nofields &&
3858 var->expression.vtype == TYPE_FIELD &&
3859 var->expression.next->expression.vtype == TYPE_ARRAY)
3862 ast_expression *telem;
3864 ast_value *array = (ast_value*)var->expression.next;
3866 if (!ast_istype(var->expression.next, ast_value)) {
3867 parseerror(parser, "internal error: field element type must be an ast_value");
3871 snprintf(name, sizeof(name), "%s##SETF", var->name);
3872 if (!parser_create_array_field_setter(parser, array, name))
3875 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3876 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3877 tfield->expression.next = telem;
3878 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3879 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3887 if (parser->tok == ';') {
3888 ast_delete(basetype);
3889 if (!parser_next(parser)) {
3890 parseerror(parser, "error after variable declaration");
3896 if (parser->tok == ',')
3899 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3900 parseerror(parser, "missing comma or semicolon while parsing variables");
3904 if (localblock && opts_standard == COMPILER_QCC) {
3905 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3906 "initializing expression turns variable `%s` into a constant in this standard",
3913 if (parser->tok != '{') {
3914 if (parser->tok != '=') {
3915 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
3919 if (!parser_next(parser)) {
3920 parseerror(parser, "error parsing initializer");
3924 else if (opts_standard == COMPILER_QCC) {
3925 parseerror(parser, "expected '=' before function body in this standard");
3928 if (parser->tok == '#') {
3929 ast_function *func = NULL;
3932 parseerror(parser, "cannot declare builtins within functions");
3935 if (var->expression.vtype != TYPE_FUNCTION) {
3936 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3939 if (!parser_next(parser)) {
3940 parseerror(parser, "expected builtin number");
3943 if (parser->tok != TOKEN_INTCONST) {
3944 parseerror(parser, "builtin number must be an integer constant");
3947 if (parser_token(parser)->constval.i <= 0) {
3948 parseerror(parser, "builtin number must be an integer greater than zero");
3952 if (var->hasvalue) {
3953 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
3954 "builtin `%s` has already been defined\n"
3955 " -> previous declaration here: %s:%i",
3956 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
3960 func = ast_function_new(ast_ctx(var), var->name, var);
3962 parseerror(parser, "failed to allocate function for `%s`", var->name);
3965 vec_push(parser->functions, func);
3967 func->builtin = -parser_token(parser)->constval.i;
3970 if (!parser_next(parser)) {
3971 parseerror(parser, "expected comma or semicolon");
3973 ast_function_delete(func);
3974 var->constval.vfunc = NULL;
3978 else if (parser->tok == '{' || parser->tok == '[')
3982 parseerror(parser, "cannot declare functions within functions");
3987 ast_ctx(proto) = parser_ctx(parser);
3989 if (!parse_function_body(parser, var))
3991 ast_delete(basetype);
3992 for (i = 0; i < vec_size(parser->gotos); ++i)
3993 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
3994 vec_free(parser->gotos);
3995 vec_free(parser->labels);
3998 ast_expression *cexp;
4001 cexp = parse_expression_leave(parser, true);
4006 cval = (ast_value*)cexp;
4007 if (!ast_istype(cval, ast_value) || !cval->hasvalue || cval->cvq != CV_CONST)
4008 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
4011 if (opts_standard != COMPILER_GMQCC &&
4012 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4013 qualifier != CV_VAR)
4015 var->cvq = CV_CONST;
4017 var->hasvalue = true;
4018 if (cval->expression.vtype == TYPE_STRING)
4019 var->constval.vstring = parser_strdup(cval->constval.vstring);
4021 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
4026 shunt sy = { NULL, NULL };
4029 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
4030 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
4031 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
4032 if (!parser_sy_pop(parser, &sy))
4035 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
4036 parseerror(parser, "internal error: leaked operands");
4037 ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
4046 if (parser->tok == ',') {
4047 if (!parser_next(parser)) {
4048 parseerror(parser, "expected another variable");
4052 if (parser->tok != TOKEN_IDENT) {
4053 parseerror(parser, "expected another variable");
4056 var = ast_value_copy(basetype);
4058 ast_value_set_name(var, parser_tokval(parser));
4059 if (!parser_next(parser)) {
4060 parseerror(parser, "error parsing variable declaration");
4066 if (parser->tok != ';') {
4067 parseerror(parser, "missing semicolon after variables");
4071 if (!parser_next(parser)) {
4072 parseerror(parser, "parse error after variable declaration");
4076 ast_delete(basetype);
4080 if (cleanvar && var)
4082 ast_delete(basetype);
4086 ast_delete(basetype);
4087 if (cleanvar && var)
4089 if (me[0]) ast_member_delete(me[0]);
4090 if (me[1]) ast_member_delete(me[1]);
4091 if (me[2]) ast_member_delete(me[2]);
4095 static bool parser_global_statement(parser_t *parser)
4097 ast_value *istype = NULL;
4098 if (parser->tok == TOKEN_IDENT)
4099 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
4101 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
4103 return parse_variable(parser, NULL, false, CV_NONE, istype);
4105 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
4107 if (!strcmp(parser_tokval(parser), "var")) {
4108 if (!parser_next(parser)) {
4109 parseerror(parser, "expected variable declaration after 'var'");
4112 return parse_variable(parser, NULL, true, CV_VAR, NULL);
4115 else if (parser->tok == TOKEN_KEYWORD)
4117 if (!strcmp(parser_tokval(parser), "const")) {
4118 if (!parser_next(parser)) {
4119 parseerror(parser, "expected variable declaration after 'const'");
4122 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
4123 (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
4124 if (!parser_next(parser)) {
4125 parseerror(parser, "expected variable declaration after 'const var'");
4129 return parse_variable(parser, NULL, true, CV_CONST, NULL);
4131 else if (!strcmp(parser_tokval(parser), "typedef")) {
4132 if (!parser_next(parser)) {
4133 parseerror(parser, "expected type definition after 'typedef'");
4136 return parse_typedef(parser);
4138 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
4141 else if (parser->tok == '$')
4143 if (!parser_next(parser)) {
4144 parseerror(parser, "parse error");
4150 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
4156 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
4158 return util_crc16(old, str, strlen(str));
4161 static void progdefs_crc_file(const char *str)
4163 /* write to progdefs.h here */
4167 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
4169 old = progdefs_crc_sum(old, str);
4170 progdefs_crc_file(str);
4174 static void generate_checksum(parser_t *parser)
4176 uint16_t crc = 0xFFFF;
4180 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
4181 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
4183 progdefs_crc_file("\tint\tpad;\n");
4184 progdefs_crc_file("\tint\tofs_return[3];\n");
4185 progdefs_crc_file("\tint\tofs_parm0[3];\n");
4186 progdefs_crc_file("\tint\tofs_parm1[3];\n");
4187 progdefs_crc_file("\tint\tofs_parm2[3];\n");
4188 progdefs_crc_file("\tint\tofs_parm3[3];\n");
4189 progdefs_crc_file("\tint\tofs_parm4[3];\n");
4190 progdefs_crc_file("\tint\tofs_parm5[3];\n");
4191 progdefs_crc_file("\tint\tofs_parm6[3];\n");
4192 progdefs_crc_file("\tint\tofs_parm7[3];\n");
4194 for (i = 0; i < parser->crc_globals; ++i) {
4195 if (!ast_istype(parser->globals[i], ast_value))
4197 value = (ast_value*)(parser->globals[i]);
4198 switch (value->expression.vtype) {
4199 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4200 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4201 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4202 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4204 crc = progdefs_crc_both(crc, "\tint\t");
4207 crc = progdefs_crc_both(crc, value->name);
4208 crc = progdefs_crc_both(crc, ";\n");
4210 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
4211 for (i = 0; i < parser->crc_fields; ++i) {
4212 if (!ast_istype(parser->fields[i], ast_value))
4214 value = (ast_value*)(parser->fields[i]);
4215 switch (value->expression.next->expression.vtype) {
4216 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4217 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4218 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4219 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4221 crc = progdefs_crc_both(crc, "\tint\t");
4224 crc = progdefs_crc_both(crc, value->name);
4225 crc = progdefs_crc_both(crc, ";\n");
4227 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
4232 static parser_t *parser;
4238 parser = (parser_t*)mem_a(sizeof(parser_t));
4242 memset(parser, 0, sizeof(*parser));
4244 for (i = 0; i < operator_count; ++i) {
4245 if (operators[i].id == opid1('=')) {
4246 parser->assign_op = operators+i;
4250 if (!parser->assign_op) {
4251 printf("internal error: initializing parser: failed to find assign operator\n");
4256 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
4257 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
4258 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
4259 vec_push(parser->_blocktypedefs, 0);
4263 bool parser_compile()
4265 /* initial lexer/parser state */
4266 parser->lex->flags.noops = true;
4268 if (parser_next(parser))
4270 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
4272 if (!parser_global_statement(parser)) {
4273 if (parser->tok == TOKEN_EOF)
4274 parseerror(parser, "unexpected eof");
4275 else if (!parser->errors)
4276 parseerror(parser, "there have been errors, bailing out");
4277 lex_close(parser->lex);
4283 parseerror(parser, "parse error");
4284 lex_close(parser->lex);
4289 lex_close(parser->lex);
4292 return !parser->errors;
4295 bool parser_compile_file(const char *filename)
4297 parser->lex = lex_open(filename);
4299 con_err("failed to open file \"%s\"\n", filename);
4302 return parser_compile();
4305 bool parser_compile_string_len(const char *name, const char *str, size_t len)
4307 parser->lex = lex_open_string(str, len, name);
4309 con_err("failed to create lexer for string \"%s\"\n", name);
4312 return parser_compile();
4315 bool parser_compile_string(const char *name, const char *str)
4317 parser->lex = lex_open_string(str, strlen(str), name);
4319 con_err("failed to create lexer for string \"%s\"\n", name);
4322 return parser_compile();
4325 void parser_cleanup()
4328 for (i = 0; i < vec_size(parser->accessors); ++i) {
4329 ast_delete(parser->accessors[i]->constval.vfunc);
4330 parser->accessors[i]->constval.vfunc = NULL;
4331 ast_delete(parser->accessors[i]);
4333 for (i = 0; i < vec_size(parser->functions); ++i) {
4334 ast_delete(parser->functions[i]);
4336 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4337 ast_delete(parser->imm_vector[i]);
4339 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4340 ast_delete(parser->imm_string[i]);
4342 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4343 ast_delete(parser->imm_float[i]);
4345 for (i = 0; i < vec_size(parser->fields); ++i) {
4346 ast_delete(parser->fields[i]);
4348 for (i = 0; i < vec_size(parser->globals); ++i) {
4349 ast_delete(parser->globals[i]);
4351 vec_free(parser->accessors);
4352 vec_free(parser->functions);
4353 vec_free(parser->imm_vector);
4354 vec_free(parser->imm_string);
4355 vec_free(parser->imm_float);
4356 vec_free(parser->globals);
4357 vec_free(parser->fields);
4359 for (i = 0; i < vec_size(parser->variables); ++i)
4360 util_htdel(parser->variables[i]);
4361 vec_free(parser->variables);
4362 vec_free(parser->_blocklocals);
4363 vec_free(parser->_locals);
4365 for (i = 0; i < vec_size(parser->_typedefs); ++i)
4366 ast_delete(parser->_typedefs[i]);
4367 vec_free(parser->_typedefs);
4368 for (i = 0; i < vec_size(parser->typedefs); ++i)
4369 util_htdel(parser->typedefs[i]);
4370 vec_free(parser->typedefs);
4371 vec_free(parser->_blocktypedefs);
4373 vec_free(parser->_block_ctx);
4375 vec_free(parser->labels);
4376 vec_free(parser->gotos);
4381 bool parser_finish(const char *output)
4387 if (!parser->errors)
4389 ir = ir_builder_new("gmqcc_out");
4391 con_out("failed to allocate builder\n");
4395 for (i = 0; i < vec_size(parser->fields); ++i) {
4398 if (!ast_istype(parser->fields[i], ast_value))
4400 field = (ast_value*)parser->fields[i];
4401 hasvalue = field->hasvalue;
4402 field->hasvalue = false;
4403 if (!ast_global_codegen((ast_value*)field, ir, true)) {
4404 con_out("failed to generate field %s\n", field->name);
4405 ir_builder_delete(ir);
4410 ast_expression *subtype;
4411 field->hasvalue = true;
4412 subtype = field->expression.next;
4413 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
4414 if (subtype->expression.vtype == TYPE_FIELD)
4415 ifld->fieldtype = subtype->expression.next->expression.vtype;
4416 else if (subtype->expression.vtype == TYPE_FUNCTION)
4417 ifld->outtype = subtype->expression.next->expression.vtype;
4418 (void)!ir_value_set_field(field->ir_v, ifld);
4421 for (i = 0; i < vec_size(parser->globals); ++i) {
4423 if (!ast_istype(parser->globals[i], ast_value))
4425 asvalue = (ast_value*)(parser->globals[i]);
4426 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
4427 if (strcmp(asvalue->name, "end_sys_globals") &&
4428 strcmp(asvalue->name, "end_sys_fields"))
4430 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
4431 "unused global: `%s`", asvalue->name);
4434 if (!ast_global_codegen(asvalue, ir, false)) {
4435 con_out("failed to generate global %s\n", asvalue->name);
4436 ir_builder_delete(ir);
4440 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4441 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
4442 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
4443 ir_builder_delete(ir);
4447 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4448 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
4449 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
4450 ir_builder_delete(ir);
4454 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4455 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
4456 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
4457 ir_builder_delete(ir);
4461 for (i = 0; i < vec_size(parser->globals); ++i) {
4463 if (!ast_istype(parser->globals[i], ast_value))
4465 asvalue = (ast_value*)(parser->globals[i]);
4466 if (asvalue->setter) {
4467 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4468 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4469 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4471 printf("failed to generate setter for %s\n", asvalue->name);
4472 ir_builder_delete(ir);
4476 if (asvalue->getter) {
4477 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4478 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4479 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4481 printf("failed to generate getter for %s\n", asvalue->name);
4482 ir_builder_delete(ir);
4487 for (i = 0; i < vec_size(parser->fields); ++i) {
4489 asvalue = (ast_value*)(parser->fields[i]->expression.next);
4491 if (!ast_istype((ast_expression*)asvalue, ast_value))
4493 if (asvalue->expression.vtype != TYPE_ARRAY)
4495 if (asvalue->setter) {
4496 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4497 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4498 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4500 printf("failed to generate setter for %s\n", asvalue->name);
4501 ir_builder_delete(ir);
4505 if (asvalue->getter) {
4506 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4507 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4508 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4510 printf("failed to generate getter for %s\n", asvalue->name);
4511 ir_builder_delete(ir);
4516 for (i = 0; i < vec_size(parser->functions); ++i) {
4517 if (!ast_function_codegen(parser->functions[i], ir)) {
4518 con_out("failed to generate function %s\n", parser->functions[i]->name);
4519 ir_builder_delete(ir);
4524 ir_builder_dump(ir, con_out);
4525 for (i = 0; i < vec_size(parser->functions); ++i) {
4526 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
4527 con_out("failed to finalize function %s\n", parser->functions[i]->name);
4528 ir_builder_delete(ir);
4535 ir_builder_dump(ir, con_out);
4537 generate_checksum(parser);
4539 if (!ir_builder_generate(ir, output)) {
4540 con_out("*** failed to generate output file\n");
4541 ir_builder_delete(ir);
4546 ir_builder_delete(ir);
4550 con_out("*** there were compile errors\n");