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)) {
1700 parseerror(parser, "internal error: parser_leaveblock with no block (2)");
1704 locals = vec_last(parser->_blocklocals);
1705 vec_pop(parser->_blocklocals);
1706 while (vec_size(parser->_locals) != locals) {
1707 ast_expression *e = vec_last(parser->_locals);
1708 ast_value *v = (ast_value*)e;
1709 vec_pop(parser->_locals);
1710 if (ast_istype(e, ast_value) && !v->uses) {
1711 if (compile_warning(ast_ctx(v), WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name)) {
1718 typedefs = vec_last(parser->_blocktypedefs);
1719 while (vec_size(parser->_typedefs) != typedefs) {
1720 ast_delete(vec_last(parser->_typedefs));
1721 vec_pop(parser->_typedefs);
1723 util_htdel(vec_last(parser->typedefs));
1724 vec_pop(parser->typedefs);
1726 vec_pop(parser->_block_ctx);
1730 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e)
1732 vec_push(parser->_locals, e);
1733 util_htset(vec_last(parser->variables), name, (void*)e);
1736 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1739 ast_expression *cond, *ontrue, *onfalse = NULL;
1742 lex_ctx ctx = parser_ctx(parser);
1744 (void)block; /* not touching */
1746 /* skip the 'if', parse an optional 'not' and check for an opening paren */
1747 if (!parser_next(parser)) {
1748 parseerror(parser, "expected condition or 'not'");
1751 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "not")) {
1753 if (!parser_next(parser)) {
1754 parseerror(parser, "expected condition in parenthesis");
1758 if (parser->tok != '(') {
1759 parseerror(parser, "expected 'if' condition in parenthesis");
1762 /* parse into the expression */
1763 if (!parser_next(parser)) {
1764 parseerror(parser, "expected 'if' condition after opening paren");
1767 /* parse the condition */
1768 cond = parse_expression_leave(parser, false);
1772 if (parser->tok != ')') {
1773 parseerror(parser, "expected closing paren after 'if' condition");
1777 /* parse into the 'then' branch */
1778 if (!parser_next(parser)) {
1779 parseerror(parser, "expected statement for on-true branch of 'if'");
1783 ontrue = parse_statement_or_block(parser);
1788 /* check for an else */
1789 if (!strcmp(parser_tokval(parser), "else")) {
1790 /* parse into the 'else' branch */
1791 if (!parser_next(parser)) {
1792 parseerror(parser, "expected on-false branch after 'else'");
1797 onfalse = parse_statement_or_block(parser);
1806 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
1808 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1809 *out = (ast_expression*)ifthen;
1813 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1816 ast_expression *cond, *ontrue;
1818 lex_ctx ctx = parser_ctx(parser);
1820 (void)block; /* not touching */
1822 /* skip the 'while' and check for opening paren */
1823 if (!parser_next(parser) || parser->tok != '(') {
1824 parseerror(parser, "expected 'while' condition in parenthesis");
1827 /* parse into the expression */
1828 if (!parser_next(parser)) {
1829 parseerror(parser, "expected 'while' condition after opening paren");
1832 /* parse the condition */
1833 cond = parse_expression_leave(parser, false);
1837 if (parser->tok != ')') {
1838 parseerror(parser, "expected closing paren after 'while' condition");
1842 /* parse into the 'then' branch */
1843 if (!parser_next(parser)) {
1844 parseerror(parser, "expected while-loop body");
1848 ontrue = parse_statement_or_block(parser);
1854 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1855 *out = (ast_expression*)aloop;
1859 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1862 ast_expression *cond, *ontrue;
1864 lex_ctx ctx = parser_ctx(parser);
1866 (void)block; /* not touching */
1868 /* skip the 'do' and get the body */
1869 if (!parser_next(parser)) {
1870 parseerror(parser, "expected loop body");
1873 ontrue = parse_statement_or_block(parser);
1877 /* expect the "while" */
1878 if (parser->tok != TOKEN_KEYWORD ||
1879 strcmp(parser_tokval(parser), "while"))
1881 parseerror(parser, "expected 'while' and condition");
1886 /* skip the 'while' and check for opening paren */
1887 if (!parser_next(parser) || parser->tok != '(') {
1888 parseerror(parser, "expected 'while' condition in parenthesis");
1892 /* parse into the expression */
1893 if (!parser_next(parser)) {
1894 parseerror(parser, "expected 'while' condition after opening paren");
1898 /* parse the condition */
1899 cond = parse_expression_leave(parser, false);
1903 if (parser->tok != ')') {
1904 parseerror(parser, "expected closing paren after 'while' condition");
1910 if (!parser_next(parser) || parser->tok != ';') {
1911 parseerror(parser, "expected semicolon after condition");
1917 if (!parser_next(parser)) {
1918 parseerror(parser, "parse error");
1924 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1925 *out = (ast_expression*)aloop;
1929 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1932 ast_expression *initexpr, *cond, *increment, *ontrue;
1936 lex_ctx ctx = parser_ctx(parser);
1938 parser_enterblock(parser);
1945 /* skip the 'while' and check for opening paren */
1946 if (!parser_next(parser) || parser->tok != '(') {
1947 parseerror(parser, "expected 'for' expressions in parenthesis");
1950 /* parse into the expression */
1951 if (!parser_next(parser)) {
1952 parseerror(parser, "expected 'for' initializer after opening paren");
1957 if (parser->tok == TOKEN_IDENT)
1958 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
1960 if (typevar || parser->tok == TOKEN_TYPENAME) {
1961 if (opts_standard != COMPILER_GMQCC) {
1962 if (parsewarning(parser, WARN_EXTENSIONS,
1963 "current standard does not allow variable declarations in for-loop initializers"))
1966 if (!parse_variable(parser, block, true, CV_VAR, typevar))
1969 else if (parser->tok != ';')
1971 initexpr = parse_expression_leave(parser, false);
1976 /* move on to condition */
1977 if (parser->tok != ';') {
1978 parseerror(parser, "expected semicolon after for-loop initializer");
1981 if (!parser_next(parser)) {
1982 parseerror(parser, "expected for-loop condition");
1986 /* parse the condition */
1987 if (parser->tok != ';') {
1988 cond = parse_expression_leave(parser, false);
1993 /* move on to incrementor */
1994 if (parser->tok != ';') {
1995 parseerror(parser, "expected semicolon after for-loop initializer");
1998 if (!parser_next(parser)) {
1999 parseerror(parser, "expected for-loop condition");
2003 /* parse the incrementor */
2004 if (parser->tok != ')') {
2005 increment = parse_expression_leave(parser, false);
2008 if (!ast_side_effects(increment)) {
2009 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2015 if (parser->tok != ')') {
2016 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
2019 /* parse into the 'then' branch */
2020 if (!parser_next(parser)) {
2021 parseerror(parser, "expected for-loop body");
2024 ontrue = parse_statement_or_block(parser);
2029 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
2030 *out = (ast_expression*)aloop;
2032 if (!parser_leaveblock(parser))
2036 if (initexpr) ast_delete(initexpr);
2037 if (cond) ast_delete(cond);
2038 if (increment) ast_delete(increment);
2039 (void)!parser_leaveblock(parser);
2043 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
2045 ast_expression *exp = NULL;
2046 ast_return *ret = NULL;
2047 ast_value *expected = parser->function->vtype;
2049 lex_ctx ctx = parser_ctx(parser);
2051 (void)block; /* not touching */
2053 if (!parser_next(parser)) {
2054 parseerror(parser, "expected return expression");
2058 if (parser->tok != ';') {
2059 exp = parse_expression(parser, false);
2063 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
2064 parseerror(parser, "return with invalid expression");
2067 ret = ast_return_new(exp->expression.node.context, exp);
2073 if (!parser_next(parser))
2074 parseerror(parser, "parse error");
2075 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2076 if (opts_standard != COMPILER_GMQCC)
2077 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2079 parseerror(parser, "return without value");
2081 ret = ast_return_new(ctx, NULL);
2083 *out = (ast_expression*)ret;
2087 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2089 lex_ctx ctx = parser_ctx(parser);
2091 (void)block; /* not touching */
2093 if (!parser_next(parser) || parser->tok != ';') {
2094 parseerror(parser, "expected semicolon");
2098 if (!parser_next(parser))
2099 parseerror(parser, "parse error");
2101 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
2105 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2107 ast_expression *operand;
2109 ast_switch *switchnode;
2110 ast_switch_case swcase;
2112 lex_ctx ctx = parser_ctx(parser);
2114 (void)block; /* not touching */
2117 /* parse over the opening paren */
2118 if (!parser_next(parser) || parser->tok != '(') {
2119 parseerror(parser, "expected switch operand in parenthesis");
2123 /* parse into the expression */
2124 if (!parser_next(parser)) {
2125 parseerror(parser, "expected switch operand");
2128 /* parse the operand */
2129 operand = parse_expression_leave(parser, false);
2133 switchnode = ast_switch_new(ctx, operand);
2136 if (parser->tok != ')') {
2137 ast_delete(switchnode);
2138 parseerror(parser, "expected closing paren after 'switch' operand");
2142 /* parse over the opening paren */
2143 if (!parser_next(parser) || parser->tok != '{') {
2144 ast_delete(switchnode);
2145 parseerror(parser, "expected list of cases");
2149 if (!parser_next(parser)) {
2150 ast_delete(switchnode);
2151 parseerror(parser, "expected 'case' or 'default'");
2156 while (parser->tok != '}') {
2157 ast_block *caseblock;
2159 if (parser->tok != TOKEN_KEYWORD) {
2160 ast_delete(switchnode);
2161 parseerror(parser, "expected 'case' or 'default'");
2164 if (!strcmp(parser_tokval(parser), "case")) {
2165 if (!parser_next(parser)) {
2166 ast_delete(switchnode);
2167 parseerror(parser, "expected expression for case");
2170 swcase.value = parse_expression_leave(parser, false);
2171 if (!swcase.value) {
2172 ast_delete(switchnode);
2173 parseerror(parser, "expected expression for case");
2176 if (!OPTS_FLAG(RELAXED_SWITCH)) {
2177 opval = (ast_value*)swcase.value;
2178 if (!ast_istype(swcase.value, ast_value)) { /* || opval->cvq != CV_CONST) { */
2179 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
2185 else if (!strcmp(parser_tokval(parser), "default")) {
2186 swcase.value = NULL;
2187 if (!parser_next(parser)) {
2188 ast_delete(switchnode);
2189 parseerror(parser, "expected colon");
2194 /* Now the colon and body */
2195 if (parser->tok != ':') {
2196 if (swcase.value) ast_unref(swcase.value);
2197 ast_delete(switchnode);
2198 parseerror(parser, "expected colon");
2202 if (!parser_next(parser)) {
2203 if (swcase.value) ast_unref(swcase.value);
2204 ast_delete(switchnode);
2205 parseerror(parser, "expected statements or case");
2208 caseblock = ast_block_new(parser_ctx(parser));
2210 if (swcase.value) ast_unref(swcase.value);
2211 ast_delete(switchnode);
2214 swcase.code = (ast_expression*)caseblock;
2215 vec_push(switchnode->cases, swcase);
2217 ast_expression *expr;
2218 if (parser->tok == '}')
2220 if (parser->tok == TOKEN_KEYWORD) {
2221 if (!strcmp(parser_tokval(parser), "case") ||
2222 !strcmp(parser_tokval(parser), "default"))
2227 if (!parse_statement(parser, caseblock, &expr, true)) {
2228 ast_delete(switchnode);
2233 ast_block_add_expr(caseblock, expr);
2238 if (parser->tok != '}') {
2239 ast_delete(switchnode);
2240 parseerror(parser, "expected closing paren of case list");
2243 if (!parser_next(parser)) {
2244 ast_delete(switchnode);
2245 parseerror(parser, "parse error after switch");
2248 *out = (ast_expression*)switchnode;
2252 static bool parse_goto(parser_t *parser, ast_expression **out)
2257 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2258 parseerror(parser, "expected label name after `goto`");
2262 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
2264 for (i = 0; i < vec_size(parser->labels); ++i) {
2265 if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
2266 ast_goto_set_label(gt, parser->labels[i]);
2270 if (i == vec_size(parser->labels))
2271 vec_push(parser->gotos, gt);
2273 if (!parser_next(parser) || parser->tok != ';') {
2274 parseerror(parser, "semicolon expected after goto label");
2277 if (!parser_next(parser)) {
2278 parseerror(parser, "parse error after goto");
2282 *out = (ast_expression*)gt;
2286 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
2289 ast_value *typevar = NULL;
2292 if (parser->tok == TOKEN_IDENT)
2293 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2295 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
2297 /* local variable */
2299 parseerror(parser, "cannot declare a variable from here");
2302 if (opts_standard == COMPILER_QCC) {
2303 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
2306 if (!parse_variable(parser, block, false, CV_NONE, typevar))
2311 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
2315 else if (parser->tok == TOKEN_KEYWORD)
2317 if (!strcmp(parser_tokval(parser), "local") ||
2318 !strcmp(parser_tokval(parser), "const") ||
2319 !strcmp(parser_tokval(parser), "var"))
2322 if (parser_tokval(parser)[0] == 'c')
2324 else if (parser_tokval(parser)[0] == 'v')
2330 parseerror(parser, "cannot declare a local variable here");
2333 if (!parser_next(parser)) {
2334 parseerror(parser, "expected variable declaration");
2337 if (!parse_variable(parser, block, true, cvq, NULL))
2342 else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
2347 if (!parser_next(parser)) {
2348 parseerror(parser, "parse error after __builtin_debug_printtype");
2352 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
2354 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
2355 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
2356 if (!parser_next(parser)) {
2357 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
2363 if (!parse_statement(parser, block, out, allow_cases))
2366 con_out("__builtin_debug_printtype: got no output node\n");
2369 ast_type_to_string(*out, ty, sizeof(ty));
2370 con_out("__builtin_debug_printtype: `%s`\n", ty);
2375 else if (!strcmp(parser_tokval(parser), "return"))
2377 return parse_return(parser, block, out);
2379 else if (!strcmp(parser_tokval(parser), "if"))
2381 return parse_if(parser, block, out);
2383 else if (!strcmp(parser_tokval(parser), "while"))
2385 return parse_while(parser, block, out);
2387 else if (!strcmp(parser_tokval(parser), "do"))
2389 return parse_dowhile(parser, block, out);
2391 else if (!strcmp(parser_tokval(parser), "for"))
2393 if (opts_standard == COMPILER_QCC) {
2394 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
2397 return parse_for(parser, block, out);
2399 else if (!strcmp(parser_tokval(parser), "break"))
2401 return parse_break_continue(parser, block, out, false);
2403 else if (!strcmp(parser_tokval(parser), "continue"))
2405 return parse_break_continue(parser, block, out, true);
2407 else if (!strcmp(parser_tokval(parser), "switch"))
2409 return parse_switch(parser, block, out);
2411 else if (!strcmp(parser_tokval(parser), "case") ||
2412 !strcmp(parser_tokval(parser), "default"))
2415 parseerror(parser, "unexpected 'case' label");
2420 else if (!strcmp(parser_tokval(parser), "goto"))
2422 return parse_goto(parser, out);
2424 else if (!strcmp(parser_tokval(parser), "typedef"))
2426 if (!parser_next(parser)) {
2427 parseerror(parser, "expected type definition after 'typedef'");
2430 return parse_typedef(parser);
2432 parseerror(parser, "Unexpected keyword");
2435 else if (parser->tok == '{')
2438 inner = parse_block(parser);
2441 *out = (ast_expression*)inner;
2444 else if (parser->tok == ':')
2448 if (!parser_next(parser)) {
2449 parseerror(parser, "expected label name");
2452 if (parser->tok != TOKEN_IDENT) {
2453 parseerror(parser, "label must be an identifier");
2456 label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
2459 vec_push(parser->labels, label);
2460 *out = (ast_expression*)label;
2461 if (!parser_next(parser)) {
2462 parseerror(parser, "parse error after label");
2465 for (i = 0; i < vec_size(parser->gotos); ++i) {
2466 if (!strcmp(parser->gotos[i]->name, label->name)) {
2467 ast_goto_set_label(parser->gotos[i], label);
2468 vec_remove(parser->gotos, i, 1);
2474 else if (parser->tok == ';')
2476 if (!parser_next(parser)) {
2477 parseerror(parser, "parse error after empty statement");
2484 ast_expression *exp = parse_expression(parser, false);
2488 if (!ast_side_effects(exp)) {
2489 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2496 static bool parse_block_into(parser_t *parser, ast_block *block)
2500 parser_enterblock(parser);
2502 if (!parser_next(parser)) { /* skip the '{' */
2503 parseerror(parser, "expected function body");
2507 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2509 ast_expression *expr = NULL;
2510 if (parser->tok == '}')
2513 if (!parse_statement(parser, block, &expr, false)) {
2514 /* parseerror(parser, "parse error"); */
2520 ast_block_add_expr(block, expr);
2523 if (parser->tok != '}') {
2526 (void)parser_next(parser);
2530 if (!parser_leaveblock(parser))
2532 return retval && !!block;
2535 static ast_block* parse_block(parser_t *parser)
2538 block = ast_block_new(parser_ctx(parser));
2541 if (!parse_block_into(parser, block)) {
2542 ast_block_delete(block);
2548 static ast_expression* parse_statement_or_block(parser_t *parser)
2550 ast_expression *expr = NULL;
2551 if (parser->tok == '{')
2552 return (ast_expression*)parse_block(parser);
2553 if (!parse_statement(parser, NULL, &expr, false))
2558 static bool create_vector_members(ast_value *var, ast_member **me)
2561 size_t len = strlen(var->name);
2563 for (i = 0; i < 3; ++i) {
2564 char *name = mem_a(len+3);
2565 memcpy(name, var->name, len);
2567 name[len+1] = 'x'+i;
2569 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
2578 do { ast_member_delete(me[--i]); } while(i);
2582 static bool parse_function_body(parser_t *parser, ast_value *var)
2584 ast_block *block = NULL;
2589 ast_expression *framenum = NULL;
2590 ast_expression *nextthink = NULL;
2591 /* None of the following have to be deleted */
2592 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
2593 ast_expression *gbl_time = NULL, *gbl_self = NULL;
2594 bool has_frame_think;
2598 has_frame_think = false;
2599 old = parser->function;
2601 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
2602 parseerror(parser, "gotos/labels leaking");
2606 if (var->expression.variadic) {
2607 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2608 "variadic function with implementation will not be able to access additional parameters"))
2614 if (parser->tok == '[') {
2615 /* got a frame definition: [ framenum, nextthink ]
2616 * this translates to:
2617 * self.frame = framenum;
2618 * self.nextthink = time + 0.1;
2619 * self.think = nextthink;
2623 fld_think = parser_find_field(parser, "think");
2624 fld_nextthink = parser_find_field(parser, "nextthink");
2625 fld_frame = parser_find_field(parser, "frame");
2626 if (!fld_think || !fld_nextthink || !fld_frame) {
2627 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2628 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2631 gbl_time = parser_find_global(parser, "time");
2632 gbl_self = parser_find_global(parser, "self");
2633 if (!gbl_time || !gbl_self) {
2634 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2635 parseerror(parser, "please declare the following globals: `time`, `self`");
2639 if (!parser_next(parser))
2642 framenum = parse_expression_leave(parser, true);
2644 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2647 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
2648 ast_unref(framenum);
2649 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2653 if (parser->tok != ',') {
2654 ast_unref(framenum);
2655 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2656 parseerror(parser, "Got a %i\n", parser->tok);
2660 if (!parser_next(parser)) {
2661 ast_unref(framenum);
2665 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2667 /* qc allows the use of not-yet-declared functions here
2668 * - this automatically creates a prototype */
2669 ast_value *thinkfunc;
2670 ast_expression *functype = fld_think->expression.next;
2672 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2673 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2674 ast_unref(framenum);
2675 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2679 if (!parser_next(parser)) {
2680 ast_unref(framenum);
2681 ast_delete(thinkfunc);
2685 vec_push(parser->globals, (ast_expression*)thinkfunc);
2686 util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
2687 nextthink = (ast_expression*)thinkfunc;
2690 nextthink = parse_expression_leave(parser, true);
2692 ast_unref(framenum);
2693 parseerror(parser, "expected a think-function in [frame,think] notation");
2698 if (!ast_istype(nextthink, ast_value)) {
2699 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2703 if (retval && parser->tok != ']') {
2704 parseerror(parser, "expected closing `]` for [frame,think] notation");
2708 if (retval && !parser_next(parser)) {
2712 if (retval && parser->tok != '{') {
2713 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2718 ast_unref(nextthink);
2719 ast_unref(framenum);
2723 has_frame_think = true;
2726 block = ast_block_new(parser_ctx(parser));
2728 parseerror(parser, "failed to allocate block");
2729 if (has_frame_think) {
2730 ast_unref(nextthink);
2731 ast_unref(framenum);
2736 if (has_frame_think) {
2738 ast_expression *self_frame;
2739 ast_expression *self_nextthink;
2740 ast_expression *self_think;
2741 ast_expression *time_plus_1;
2742 ast_store *store_frame;
2743 ast_store *store_nextthink;
2744 ast_store *store_think;
2746 ctx = parser_ctx(parser);
2747 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2748 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2749 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2751 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2752 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2754 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2755 if (self_frame) ast_delete(self_frame);
2756 if (self_nextthink) ast_delete(self_nextthink);
2757 if (self_think) ast_delete(self_think);
2758 if (time_plus_1) ast_delete(time_plus_1);
2764 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2765 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2766 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2769 ast_delete(self_frame);
2772 if (!store_nextthink) {
2773 ast_delete(self_nextthink);
2777 ast_delete(self_think);
2781 if (store_frame) ast_delete(store_frame);
2782 if (store_nextthink) ast_delete(store_nextthink);
2783 if (store_think) ast_delete(store_think);
2786 ast_block_add_expr(block, (ast_expression*)store_frame);
2787 ast_block_add_expr(block, (ast_expression*)store_nextthink);
2788 ast_block_add_expr(block, (ast_expression*)store_think);
2792 parseerror(parser, "failed to generate code for [frame,think]");
2793 ast_unref(nextthink);
2794 ast_unref(framenum);
2800 parser_enterblock(parser);
2802 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2804 ast_value *param = var->expression.params[parami];
2807 if (param->expression.vtype != TYPE_VECTOR &&
2808 (param->expression.vtype != TYPE_FIELD ||
2809 param->expression.next->expression.vtype != TYPE_VECTOR))
2814 if (!create_vector_members(param, me)) {
2815 ast_block_delete(block);
2819 for (e = 0; e < 3; ++e) {
2820 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
2821 ast_block_collect(block, (ast_expression*)me[e]);
2825 func = ast_function_new(ast_ctx(var), var->name, var);
2827 parseerror(parser, "failed to allocate function for `%s`", var->name);
2828 ast_block_delete(block);
2831 vec_push(parser->functions, func);
2833 parser->function = func;
2834 if (!parse_block_into(parser, block)) {
2835 ast_block_delete(block);
2839 vec_push(func->blocks, block);
2841 parser->function = old;
2842 if (!parser_leaveblock(parser))
2844 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
2845 parseerror(parser, "internal error: local scopes left");
2849 if (parser->tok == ';')
2850 return parser_next(parser);
2851 else if (opts_standard == COMPILER_QCC)
2852 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2856 vec_pop(parser->functions);
2857 ast_function_delete(func);
2858 var->constval.vfunc = NULL;
2861 (void)!parser_leaveblock(parser);
2862 parser->function = old;
2866 static ast_expression *array_accessor_split(
2871 ast_expression *left,
2872 ast_expression *right
2878 lex_ctx ctx = ast_ctx(array);
2880 if (!left || !right) {
2881 if (left) ast_delete(left);
2882 if (right) ast_delete(right);
2886 cmp = ast_binary_new(ctx, INSTR_LT,
2887 (ast_expression*)index,
2888 (ast_expression*)parser_const_float(parser, middle));
2892 parseerror(parser, "internal error: failed to create comparison for array setter");
2896 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2898 ast_delete(cmp); /* will delete left and right */
2899 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2903 return (ast_expression*)ifthen;
2906 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2908 lex_ctx ctx = ast_ctx(array);
2910 if (from+1 == afterend) {
2911 /* set this value */
2914 ast_array_index *subscript;
2916 int assignop = type_store_instr[value->expression.vtype];
2918 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2919 assignop = INSTR_STORE_V;
2921 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2925 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2927 ast_delete(subscript);
2931 block = ast_block_new(ctx);
2937 ast_block_add_expr(block, (ast_expression*)st);
2939 ret = ast_return_new(ctx, NULL);
2945 ast_block_add_expr(block, (ast_expression*)ret);
2947 return (ast_expression*)block;
2949 ast_expression *left, *right;
2950 size_t diff = afterend - from;
2951 size_t middle = from + diff/2;
2952 left = array_setter_node(parser, array, index, value, from, middle);
2953 right = array_setter_node(parser, array, index, value, middle, afterend);
2954 return array_accessor_split(parser, array, index, middle, left, right);
2958 static ast_expression *array_field_setter_node(
2967 lex_ctx ctx = ast_ctx(array);
2969 if (from+1 == afterend) {
2970 /* set this value */
2973 ast_entfield *entfield;
2974 ast_array_index *subscript;
2976 int assignop = type_storep_instr[value->expression.vtype];
2978 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2979 assignop = INSTR_STOREP_V;
2981 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2985 entfield = ast_entfield_new_force(ctx,
2986 (ast_expression*)entity,
2987 (ast_expression*)subscript,
2988 (ast_expression*)subscript);
2990 ast_delete(subscript);
2994 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2996 ast_delete(entfield);
3000 block = ast_block_new(ctx);
3006 ast_block_add_expr(block, (ast_expression*)st);
3008 ret = ast_return_new(ctx, NULL);
3014 ast_block_add_expr(block, (ast_expression*)ret);
3016 return (ast_expression*)block;
3018 ast_expression *left, *right;
3019 size_t diff = afterend - from;
3020 size_t middle = from + diff/2;
3021 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
3022 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
3023 return array_accessor_split(parser, array, index, middle, left, right);
3027 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
3029 lex_ctx ctx = ast_ctx(array);
3031 if (from+1 == afterend) {
3033 ast_array_index *subscript;
3035 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
3039 ret = ast_return_new(ctx, (ast_expression*)subscript);
3041 ast_delete(subscript);
3045 return (ast_expression*)ret;
3047 ast_expression *left, *right;
3048 size_t diff = afterend - from;
3049 size_t middle = from + diff/2;
3050 left = array_getter_node(parser, array, index, from, middle);
3051 right = array_getter_node(parser, array, index, middle, afterend);
3052 return array_accessor_split(parser, array, index, middle, left, right);
3056 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
3058 ast_function *func = NULL;
3059 ast_value *fval = NULL;
3060 ast_block *body = NULL;
3062 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
3064 parseerror(parser, "failed to create accessor function value");
3068 func = ast_function_new(ast_ctx(array), funcname, fval);
3071 parseerror(parser, "failed to create accessor function node");
3075 body = ast_block_new(ast_ctx(array));
3077 parseerror(parser, "failed to create block for array accessor");
3083 vec_push(func->blocks, body);
3086 vec_push(parser->accessors, fval);
3091 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
3093 ast_expression *root = NULL;
3094 ast_value *index = NULL;
3095 ast_value *value = NULL;
3099 if (!ast_istype(array->expression.next, ast_value)) {
3100 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3104 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3106 func = fval->constval.vfunc;
3107 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3109 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3110 value = ast_value_copy((ast_value*)array->expression.next);
3112 if (!index || !value) {
3113 parseerror(parser, "failed to create locals for array accessor");
3116 (void)!ast_value_set_name(value, "value"); /* not important */
3117 vec_push(fval->expression.params, index);
3118 vec_push(fval->expression.params, value);
3120 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
3122 parseerror(parser, "failed to build accessor search tree");
3126 ast_block_add_expr(func->blocks[0], root);
3127 array->setter = fval;
3130 if (index) ast_delete(index);
3131 if (value) ast_delete(value);
3132 if (root) ast_delete(root);
3138 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
3140 ast_expression *root = NULL;
3141 ast_value *entity = NULL;
3142 ast_value *index = NULL;
3143 ast_value *value = NULL;
3147 if (!ast_istype(array->expression.next, ast_value)) {
3148 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3152 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3154 func = fval->constval.vfunc;
3155 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3157 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
3158 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3159 value = ast_value_copy((ast_value*)array->expression.next);
3160 if (!entity || !index || !value) {
3161 parseerror(parser, "failed to create locals for array accessor");
3164 (void)!ast_value_set_name(value, "value"); /* not important */
3165 vec_push(fval->expression.params, entity);
3166 vec_push(fval->expression.params, index);
3167 vec_push(fval->expression.params, value);
3169 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
3171 parseerror(parser, "failed to build accessor search tree");
3175 ast_block_add_expr(func->blocks[0], root);
3176 array->setter = fval;
3179 if (entity) ast_delete(entity);
3180 if (index) ast_delete(index);
3181 if (value) ast_delete(value);
3182 if (root) ast_delete(root);
3188 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
3190 ast_expression *root = NULL;
3191 ast_value *index = NULL;
3195 /* NOTE: checking array->expression.next rather than elemtype since
3196 * for fields elemtype is a temporary fieldtype.
3198 if (!ast_istype(array->expression.next, ast_value)) {
3199 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3203 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3205 func = fval->constval.vfunc;
3206 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
3208 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3211 parseerror(parser, "failed to create locals for array accessor");
3214 vec_push(fval->expression.params, index);
3216 root = array_getter_node(parser, array, index, 0, array->expression.count);
3218 parseerror(parser, "failed to build accessor search tree");
3222 ast_block_add_expr(func->blocks[0], root);
3223 array->getter = fval;
3226 if (index) ast_delete(index);
3227 if (root) ast_delete(root);
3233 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
3234 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
3242 bool variadic = false;
3244 ctx = parser_ctx(parser);
3246 /* for the sake of less code we parse-in in this function */
3247 if (!parser_next(parser)) {
3248 parseerror(parser, "expected parameter list");
3254 /* parse variables until we hit a closing paren */
3255 while (parser->tok != ')') {
3257 /* there must be commas between them */
3258 if (parser->tok != ',') {
3259 parseerror(parser, "expected comma or end of parameter list");
3262 if (!parser_next(parser)) {
3263 parseerror(parser, "expected parameter");
3269 if (parser->tok == TOKEN_DOTS) {
3270 /* '...' indicates a varargs function */
3272 if (!parser_next(parser)) {
3273 parseerror(parser, "expected parameter");
3276 if (parser->tok != ')') {
3277 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
3283 /* for anything else just parse a typename */
3284 param = parse_typename(parser, NULL, NULL);
3287 vec_push(params, param);
3288 if (param->expression.vtype >= TYPE_VARIANT) {
3289 char typename[1024];
3290 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
3291 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
3297 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
3301 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
3302 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
3305 if (!parser_next(parser)) {
3306 parseerror(parser, "parse error after typename");
3310 /* now turn 'var' into a function type */
3311 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
3312 fval->expression.next = (ast_expression*)var;
3313 fval->expression.variadic = variadic;
3316 var->expression.params = params;
3323 for (i = 0; i < vec_size(params); ++i)
3324 ast_delete(params[i]);
3329 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
3331 ast_expression *cexp;
3332 ast_value *cval, *tmp;
3335 ctx = parser_ctx(parser);
3337 if (!parser_next(parser)) {
3339 parseerror(parser, "expected array-size");
3343 cexp = parse_expression_leave(parser, true);
3345 if (!cexp || !ast_istype(cexp, ast_value)) {
3349 parseerror(parser, "expected array-size as constant positive integer");
3352 cval = (ast_value*)cexp;
3354 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
3355 tmp->expression.next = (ast_expression*)var;
3358 if (cval->expression.vtype == TYPE_INTEGER)
3359 tmp->expression.count = cval->constval.vint;
3360 else if (cval->expression.vtype == TYPE_FLOAT)
3361 tmp->expression.count = cval->constval.vfloat;
3365 parseerror(parser, "array-size must be a positive integer constant");
3370 if (parser->tok != ']') {
3372 parseerror(parser, "expected ']' after array-size");
3375 if (!parser_next(parser)) {
3377 parseerror(parser, "error after parsing array size");
3383 /* Parse a complete typename.
3384 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
3385 * but when parsing variables separated by comma
3386 * 'storebase' should point to where the base-type should be kept.
3387 * The base type makes up every bit of type information which comes *before* the
3390 * The following will be parsed in its entirety:
3392 * The 'basetype' in this case is 'void()'
3393 * and if there's a comma after it, say:
3395 * then the type-information 'void()' can be stored in 'storebase'
3397 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
3399 ast_value *var, *tmp;
3402 const char *name = NULL;
3403 bool isfield = false;
3404 bool wasarray = false;
3405 size_t morefields = 0;
3407 ctx = parser_ctx(parser);
3409 /* types may start with a dot */
3410 if (parser->tok == '.') {
3412 /* if we parsed a dot we need a typename now */
3413 if (!parser_next(parser)) {
3414 parseerror(parser, "expected typename for field definition");
3418 /* Further dots are handled seperately because they won't be part of the
3421 while (parser->tok == '.') {
3423 if (!parser_next(parser)) {
3424 parseerror(parser, "expected typename for field definition");
3429 if (parser->tok == TOKEN_IDENT)
3430 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
3431 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
3432 parseerror(parser, "expected typename");
3436 /* generate the basic type value */
3437 if (cached_typedef) {
3438 var = ast_value_copy(cached_typedef);
3439 ast_value_set_name(var, "<type(from_def)>");
3441 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
3443 for (; morefields; --morefields) {
3444 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
3445 tmp->expression.next = (ast_expression*)var;
3449 /* do not yet turn into a field - remember:
3450 * .void() foo; is a field too
3451 * .void()() foo; is a function
3455 if (!parser_next(parser)) {
3457 parseerror(parser, "parse error after typename");
3461 /* an opening paren now starts the parameter-list of a function
3462 * this is where original-QC has parameter lists.
3463 * We allow a single parameter list here.
3464 * Much like fteqcc we don't allow `float()() x`
3466 if (parser->tok == '(') {
3467 var = parse_parameter_list(parser, var);
3472 /* store the base if requested */
3474 *storebase = ast_value_copy(var);
3476 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3477 tmp->expression.next = (ast_expression*)*storebase;
3482 /* there may be a name now */
3483 if (parser->tok == TOKEN_IDENT) {
3484 name = util_strdup(parser_tokval(parser));
3486 if (!parser_next(parser)) {
3488 parseerror(parser, "error after variable or field declaration");
3493 /* now this may be an array */
3494 if (parser->tok == '[') {
3496 var = parse_arraysize(parser, var);
3501 /* This is the point where we can turn it into a field */
3503 /* turn it into a field if desired */
3504 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3505 tmp->expression.next = (ast_expression*)var;
3509 /* now there may be function parens again */
3510 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
3511 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3512 if (parser->tok == '(' && wasarray)
3513 parseerror(parser, "arrays as part of a return type is not supported");
3514 while (parser->tok == '(') {
3515 var = parse_parameter_list(parser, var);
3524 /* finally name it */
3526 if (!ast_value_set_name(var, name)) {
3528 parseerror(parser, "internal error: failed to set name");
3531 /* free the name, ast_value_set_name duplicates */
3538 static bool parse_typedef(parser_t *parser)
3540 ast_value *typevar, *oldtype;
3541 ast_expression *old;
3543 typevar = parse_typename(parser, NULL, NULL);
3548 if ( (old = parser_find_var(parser, typevar->name)) ) {
3549 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
3550 " -> `%s` has been declared here: %s:%i",
3551 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
3552 ast_delete(typevar);
3556 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
3557 parseerror(parser, "type `%s` has already been declared here: %s:%i",
3558 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
3559 ast_delete(typevar);
3563 vec_push(parser->_typedefs, typevar);
3564 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
3566 if (parser->tok != ';') {
3567 parseerror(parser, "expected semicolon after typedef");
3570 if (!parser_next(parser)) {
3571 parseerror(parser, "parse error after typedef");
3578 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef)
3582 ast_expression *old;
3586 ast_value *basetype = NULL;
3588 bool isparam = false;
3589 bool isvector = false;
3590 bool cleanvar = true;
3591 bool wasarray = false;
3595 /* get the first complete variable */
3596 var = parse_typename(parser, &basetype, cached_typedef);
3599 ast_delete(basetype);
3607 /* Part 0: finish the type */
3608 if (parser->tok == '(') {
3609 if (opts_standard == COMPILER_QCC)
3610 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3611 var = parse_parameter_list(parser, var);
3617 /* we only allow 1-dimensional arrays */
3618 if (parser->tok == '[') {
3620 var = parse_arraysize(parser, var);
3626 if (parser->tok == '(' && wasarray) {
3627 parseerror(parser, "arrays as part of a return type is not supported");
3628 /* we'll still parse the type completely for now */
3630 /* for functions returning functions */
3631 while (parser->tok == '(') {
3632 if (opts_standard == COMPILER_QCC)
3633 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3634 var = parse_parameter_list(parser, var);
3641 var->cvq = qualifier;
3644 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3645 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3646 * is then filled with the previous definition and the parameter-names replaced.
3649 /* Deal with end_sys_ vars */
3651 if (!strcmp(var->name, "end_sys_globals")) {
3652 parser->crc_globals = vec_size(parser->globals);
3655 else if (!strcmp(var->name, "end_sys_fields")) {
3656 parser->crc_fields = vec_size(parser->fields);
3659 if (was_end && var->expression.vtype == TYPE_FIELD) {
3660 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3661 "global '%s' hint should not be a field",
3662 parser_tokval(parser)))
3669 if (!nofields && var->expression.vtype == TYPE_FIELD)
3671 /* deal with field declarations */
3672 old = parser_find_field(parser, var->name);
3674 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3675 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3684 parseerror(parser, "field `%s` already declared here: %s:%i",
3685 var->name, ast_ctx(old).file, ast_ctx(old).line);
3690 if (opts_standard == COMPILER_QCC &&
3691 (old = parser_find_global(parser, var->name)))
3693 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3694 parseerror(parser, "field `%s` already declared here: %s:%i",
3695 var->name, ast_ctx(old).file, ast_ctx(old).line);
3702 /* deal with other globals */
3703 old = parser_find_global(parser, var->name);
3704 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3706 /* This is a function which had a prototype */
3707 if (!ast_istype(old, ast_value)) {
3708 parseerror(parser, "internal error: prototype is not an ast_value");
3712 proto = (ast_value*)old;
3713 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3714 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3716 ast_ctx(proto).file, ast_ctx(proto).line);
3720 /* we need the new parameter-names */
3721 for (i = 0; i < vec_size(proto->expression.params); ++i)
3722 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3730 if (opts_standard == COMPILER_GMQCC) {
3731 parseerror(parser, "global `%s` already declared here: %s:%i",
3732 var->name, ast_ctx(old).file, ast_ctx(old).line);
3736 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
3737 "global `%s` already declared here: %s:%i",
3738 var->name, ast_ctx(old).file, ast_ctx(old).line))
3743 proto = (ast_value*)old;
3744 if (!ast_istype(old, ast_value)) {
3745 parseerror(parser, "internal error: not an ast_value");
3754 if (opts_standard == COMPILER_QCC &&
3755 (old = parser_find_field(parser, var->name)))
3757 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3758 parseerror(parser, "global `%s` already declared here: %s:%i",
3759 var->name, ast_ctx(old).file, ast_ctx(old).line);
3766 else /* it's not a global */
3768 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
3769 if (old && !isparam) {
3770 parseerror(parser, "local `%s` already declared here: %s:%i",
3771 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3775 old = parser_find_local(parser, var->name, 0, &isparam);
3776 if (old && isparam) {
3777 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3778 "local `%s` is shadowing a parameter", var->name))
3780 parseerror(parser, "local `%s` already declared here: %s:%i",
3781 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3785 if (opts_standard != COMPILER_GMQCC) {
3794 * Create the global/local, and deal with vector types.
3797 if (var->expression.vtype == TYPE_VECTOR)
3799 else if (var->expression.vtype == TYPE_FIELD &&
3800 var->expression.next->expression.vtype == TYPE_VECTOR)
3804 if (!create_vector_members(var, me)) {
3811 /* deal with global variables, fields, functions */
3812 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3813 vec_push(parser->fields, (ast_expression*)var);
3814 util_htset(parser->htfields, var->name, var);
3816 for (i = 0; i < 3; ++i) {
3817 vec_push(parser->fields, (ast_expression*)me[i]);
3818 util_htset(parser->htfields, me[i]->name, me[i]);
3823 vec_push(parser->globals, (ast_expression*)var);
3824 util_htset(parser->htglobals, var->name, var);
3826 for (i = 0; i < 3; ++i) {
3827 vec_push(parser->globals, (ast_expression*)me[i]);
3828 util_htset(parser->htglobals, me[i]->name, me[i]);
3833 vec_push(localblock->locals, var);
3834 parser_addlocal(parser, var->name, (ast_expression*)var);
3836 for (i = 0; i < 3; ++i) {
3837 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
3838 ast_block_collect(localblock, (ast_expression*)me[i]);
3844 me[0] = me[1] = me[2] = NULL;
3849 if (var->expression.vtype == TYPE_ARRAY) {
3851 snprintf(name, sizeof(name), "%s##SET", var->name);
3852 if (!parser_create_array_setter(parser, var, name))
3854 snprintf(name, sizeof(name), "%s##GET", var->name);
3855 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3858 else if (!localblock && !nofields &&
3859 var->expression.vtype == TYPE_FIELD &&
3860 var->expression.next->expression.vtype == TYPE_ARRAY)
3863 ast_expression *telem;
3865 ast_value *array = (ast_value*)var->expression.next;
3867 if (!ast_istype(var->expression.next, ast_value)) {
3868 parseerror(parser, "internal error: field element type must be an ast_value");
3872 snprintf(name, sizeof(name), "%s##SETF", var->name);
3873 if (!parser_create_array_field_setter(parser, array, name))
3876 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3877 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3878 tfield->expression.next = telem;
3879 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3880 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3888 if (parser->tok == ';') {
3889 ast_delete(basetype);
3890 if (!parser_next(parser)) {
3891 parseerror(parser, "error after variable declaration");
3897 if (parser->tok == ',')
3900 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3901 parseerror(parser, "missing comma or semicolon while parsing variables");
3905 if (localblock && opts_standard == COMPILER_QCC) {
3906 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3907 "initializing expression turns variable `%s` into a constant in this standard",
3914 if (parser->tok != '{') {
3915 if (parser->tok != '=') {
3916 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
3920 if (!parser_next(parser)) {
3921 parseerror(parser, "error parsing initializer");
3925 else if (opts_standard == COMPILER_QCC) {
3926 parseerror(parser, "expected '=' before function body in this standard");
3929 if (parser->tok == '#') {
3930 ast_function *func = NULL;
3933 parseerror(parser, "cannot declare builtins within functions");
3936 if (var->expression.vtype != TYPE_FUNCTION) {
3937 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3940 if (!parser_next(parser)) {
3941 parseerror(parser, "expected builtin number");
3944 if (parser->tok != TOKEN_INTCONST) {
3945 parseerror(parser, "builtin number must be an integer constant");
3948 if (parser_token(parser)->constval.i <= 0) {
3949 parseerror(parser, "builtin number must be an integer greater than zero");
3953 if (var->hasvalue) {
3954 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
3955 "builtin `%s` has already been defined\n"
3956 " -> previous declaration here: %s:%i",
3957 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
3961 func = ast_function_new(ast_ctx(var), var->name, var);
3963 parseerror(parser, "failed to allocate function for `%s`", var->name);
3966 vec_push(parser->functions, func);
3968 func->builtin = -parser_token(parser)->constval.i;
3971 if (!parser_next(parser)) {
3972 parseerror(parser, "expected comma or semicolon");
3974 ast_function_delete(func);
3975 var->constval.vfunc = NULL;
3979 else if (parser->tok == '{' || parser->tok == '[')
3983 parseerror(parser, "cannot declare functions within functions");
3988 ast_ctx(proto) = parser_ctx(parser);
3990 if (!parse_function_body(parser, var))
3992 ast_delete(basetype);
3993 for (i = 0; i < vec_size(parser->gotos); ++i)
3994 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
3995 vec_free(parser->gotos);
3996 vec_free(parser->labels);
3999 ast_expression *cexp;
4002 cexp = parse_expression_leave(parser, true);
4007 cval = (ast_value*)cexp;
4008 if (!ast_istype(cval, ast_value) || !cval->hasvalue || cval->cvq != CV_CONST)
4009 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
4012 if (opts_standard != COMPILER_GMQCC &&
4013 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4014 qualifier != CV_VAR)
4016 var->cvq = CV_CONST;
4018 var->hasvalue = true;
4019 if (cval->expression.vtype == TYPE_STRING)
4020 var->constval.vstring = parser_strdup(cval->constval.vstring);
4022 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
4027 shunt sy = { NULL, NULL };
4030 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
4031 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
4032 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
4033 if (!parser_sy_pop(parser, &sy))
4036 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
4037 parseerror(parser, "internal error: leaked operands");
4038 ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
4047 if (parser->tok == ',') {
4048 if (!parser_next(parser)) {
4049 parseerror(parser, "expected another variable");
4053 if (parser->tok != TOKEN_IDENT) {
4054 parseerror(parser, "expected another variable");
4057 var = ast_value_copy(basetype);
4059 ast_value_set_name(var, parser_tokval(parser));
4060 if (!parser_next(parser)) {
4061 parseerror(parser, "error parsing variable declaration");
4067 if (parser->tok != ';') {
4068 parseerror(parser, "missing semicolon after variables");
4072 if (!parser_next(parser)) {
4073 parseerror(parser, "parse error after variable declaration");
4077 ast_delete(basetype);
4081 if (cleanvar && var)
4083 ast_delete(basetype);
4087 ast_delete(basetype);
4088 if (cleanvar && var)
4090 if (me[0]) ast_member_delete(me[0]);
4091 if (me[1]) ast_member_delete(me[1]);
4092 if (me[2]) ast_member_delete(me[2]);
4096 static bool parser_global_statement(parser_t *parser)
4098 ast_value *istype = NULL;
4099 if (parser->tok == TOKEN_IDENT)
4100 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
4102 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
4104 return parse_variable(parser, NULL, false, CV_NONE, istype);
4106 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
4108 if (!strcmp(parser_tokval(parser), "var")) {
4109 if (!parser_next(parser)) {
4110 parseerror(parser, "expected variable declaration after 'var'");
4113 return parse_variable(parser, NULL, true, CV_VAR, NULL);
4116 else if (parser->tok == TOKEN_KEYWORD)
4118 if (!strcmp(parser_tokval(parser), "const")) {
4119 if (!parser_next(parser)) {
4120 parseerror(parser, "expected variable declaration after 'const'");
4123 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
4124 (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
4125 if (!parser_next(parser)) {
4126 parseerror(parser, "expected variable declaration after 'const var'");
4130 return parse_variable(parser, NULL, true, CV_CONST, NULL);
4132 else if (!strcmp(parser_tokval(parser), "typedef")) {
4133 if (!parser_next(parser)) {
4134 parseerror(parser, "expected type definition after 'typedef'");
4137 return parse_typedef(parser);
4139 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
4142 else if (parser->tok == '$')
4144 if (!parser_next(parser)) {
4145 parseerror(parser, "parse error");
4151 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
4157 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
4159 return util_crc16(old, str, strlen(str));
4162 static void progdefs_crc_file(const char *str)
4164 /* write to progdefs.h here */
4168 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
4170 old = progdefs_crc_sum(old, str);
4171 progdefs_crc_file(str);
4175 static void generate_checksum(parser_t *parser)
4177 uint16_t crc = 0xFFFF;
4181 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
4182 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
4184 progdefs_crc_file("\tint\tpad;\n");
4185 progdefs_crc_file("\tint\tofs_return[3];\n");
4186 progdefs_crc_file("\tint\tofs_parm0[3];\n");
4187 progdefs_crc_file("\tint\tofs_parm1[3];\n");
4188 progdefs_crc_file("\tint\tofs_parm2[3];\n");
4189 progdefs_crc_file("\tint\tofs_parm3[3];\n");
4190 progdefs_crc_file("\tint\tofs_parm4[3];\n");
4191 progdefs_crc_file("\tint\tofs_parm5[3];\n");
4192 progdefs_crc_file("\tint\tofs_parm6[3];\n");
4193 progdefs_crc_file("\tint\tofs_parm7[3];\n");
4195 for (i = 0; i < parser->crc_globals; ++i) {
4196 if (!ast_istype(parser->globals[i], ast_value))
4198 value = (ast_value*)(parser->globals[i]);
4199 switch (value->expression.vtype) {
4200 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4201 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4202 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4203 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4205 crc = progdefs_crc_both(crc, "\tint\t");
4208 crc = progdefs_crc_both(crc, value->name);
4209 crc = progdefs_crc_both(crc, ";\n");
4211 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
4212 for (i = 0; i < parser->crc_fields; ++i) {
4213 if (!ast_istype(parser->fields[i], ast_value))
4215 value = (ast_value*)(parser->fields[i]);
4216 switch (value->expression.next->expression.vtype) {
4217 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4218 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4219 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4220 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4222 crc = progdefs_crc_both(crc, "\tint\t");
4225 crc = progdefs_crc_both(crc, value->name);
4226 crc = progdefs_crc_both(crc, ";\n");
4228 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
4233 static parser_t *parser;
4239 parser = (parser_t*)mem_a(sizeof(parser_t));
4243 memset(parser, 0, sizeof(*parser));
4245 for (i = 0; i < operator_count; ++i) {
4246 if (operators[i].id == opid1('=')) {
4247 parser->assign_op = operators+i;
4251 if (!parser->assign_op) {
4252 printf("internal error: initializing parser: failed to find assign operator\n");
4257 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
4258 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
4259 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
4260 vec_push(parser->_blocktypedefs, 0);
4264 bool parser_compile()
4266 /* initial lexer/parser state */
4267 parser->lex->flags.noops = true;
4269 if (parser_next(parser))
4271 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
4273 if (!parser_global_statement(parser)) {
4274 if (parser->tok == TOKEN_EOF)
4275 parseerror(parser, "unexpected eof");
4276 else if (!parser->errors)
4277 parseerror(parser, "there have been errors, bailing out");
4278 lex_close(parser->lex);
4284 parseerror(parser, "parse error");
4285 lex_close(parser->lex);
4290 lex_close(parser->lex);
4293 return !parser->errors;
4296 bool parser_compile_file(const char *filename)
4298 parser->lex = lex_open(filename);
4300 con_err("failed to open file \"%s\"\n", filename);
4303 return parser_compile();
4306 bool parser_compile_string_len(const char *name, const char *str, size_t len)
4308 parser->lex = lex_open_string(str, len, name);
4310 con_err("failed to create lexer for string \"%s\"\n", name);
4313 return parser_compile();
4316 bool parser_compile_string(const char *name, const char *str)
4318 parser->lex = lex_open_string(str, strlen(str), name);
4320 con_err("failed to create lexer for string \"%s\"\n", name);
4323 return parser_compile();
4326 void parser_cleanup()
4329 for (i = 0; i < vec_size(parser->accessors); ++i) {
4330 ast_delete(parser->accessors[i]->constval.vfunc);
4331 parser->accessors[i]->constval.vfunc = NULL;
4332 ast_delete(parser->accessors[i]);
4334 for (i = 0; i < vec_size(parser->functions); ++i) {
4335 ast_delete(parser->functions[i]);
4337 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4338 ast_delete(parser->imm_vector[i]);
4340 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4341 ast_delete(parser->imm_string[i]);
4343 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4344 ast_delete(parser->imm_float[i]);
4346 for (i = 0; i < vec_size(parser->fields); ++i) {
4347 ast_delete(parser->fields[i]);
4349 for (i = 0; i < vec_size(parser->globals); ++i) {
4350 ast_delete(parser->globals[i]);
4352 vec_free(parser->accessors);
4353 vec_free(parser->functions);
4354 vec_free(parser->imm_vector);
4355 vec_free(parser->imm_string);
4356 vec_free(parser->imm_float);
4357 vec_free(parser->globals);
4358 vec_free(parser->fields);
4360 for (i = 0; i < vec_size(parser->variables); ++i)
4361 util_htdel(parser->variables[i]);
4362 vec_free(parser->variables);
4363 vec_free(parser->_blocklocals);
4364 vec_free(parser->_locals);
4366 for (i = 0; i < vec_size(parser->_typedefs); ++i)
4367 ast_delete(parser->_typedefs[i]);
4368 vec_free(parser->_typedefs);
4369 for (i = 0; i < vec_size(parser->typedefs); ++i)
4370 util_htdel(parser->typedefs[i]);
4371 vec_free(parser->typedefs);
4372 vec_free(parser->_blocktypedefs);
4374 vec_free(parser->_block_ctx);
4376 vec_free(parser->labels);
4377 vec_free(parser->gotos);
4382 bool parser_finish(const char *output)
4388 if (!parser->errors)
4390 ir = ir_builder_new("gmqcc_out");
4392 con_out("failed to allocate builder\n");
4396 for (i = 0; i < vec_size(parser->fields); ++i) {
4399 if (!ast_istype(parser->fields[i], ast_value))
4401 field = (ast_value*)parser->fields[i];
4402 hasvalue = field->hasvalue;
4403 field->hasvalue = false;
4404 if (!ast_global_codegen((ast_value*)field, ir, true)) {
4405 con_out("failed to generate field %s\n", field->name);
4406 ir_builder_delete(ir);
4411 ast_expression *subtype;
4412 field->hasvalue = true;
4413 subtype = field->expression.next;
4414 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
4415 if (subtype->expression.vtype == TYPE_FIELD)
4416 ifld->fieldtype = subtype->expression.next->expression.vtype;
4417 else if (subtype->expression.vtype == TYPE_FUNCTION)
4418 ifld->outtype = subtype->expression.next->expression.vtype;
4419 (void)!ir_value_set_field(field->ir_v, ifld);
4422 for (i = 0; i < vec_size(parser->globals); ++i) {
4424 if (!ast_istype(parser->globals[i], ast_value))
4426 asvalue = (ast_value*)(parser->globals[i]);
4427 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
4428 if (strcmp(asvalue->name, "end_sys_globals") &&
4429 strcmp(asvalue->name, "end_sys_fields"))
4431 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
4432 "unused global: `%s`", asvalue->name);
4435 if (!ast_global_codegen(asvalue, ir, false)) {
4436 con_out("failed to generate global %s\n", asvalue->name);
4437 ir_builder_delete(ir);
4441 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4442 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
4443 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
4444 ir_builder_delete(ir);
4448 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4449 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
4450 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
4451 ir_builder_delete(ir);
4455 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4456 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
4457 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
4458 ir_builder_delete(ir);
4462 for (i = 0; i < vec_size(parser->globals); ++i) {
4464 if (!ast_istype(parser->globals[i], ast_value))
4466 asvalue = (ast_value*)(parser->globals[i]);
4467 if (asvalue->setter) {
4468 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4469 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4470 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4472 printf("failed to generate setter for %s\n", asvalue->name);
4473 ir_builder_delete(ir);
4477 if (asvalue->getter) {
4478 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4479 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4480 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4482 printf("failed to generate getter for %s\n", asvalue->name);
4483 ir_builder_delete(ir);
4488 for (i = 0; i < vec_size(parser->fields); ++i) {
4490 asvalue = (ast_value*)(parser->fields[i]->expression.next);
4492 if (!ast_istype((ast_expression*)asvalue, ast_value))
4494 if (asvalue->expression.vtype != TYPE_ARRAY)
4496 if (asvalue->setter) {
4497 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4498 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4499 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4501 printf("failed to generate setter for %s\n", asvalue->name);
4502 ir_builder_delete(ir);
4506 if (asvalue->getter) {
4507 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4508 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4509 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4511 printf("failed to generate getter for %s\n", asvalue->name);
4512 ir_builder_delete(ir);
4517 for (i = 0; i < vec_size(parser->functions); ++i) {
4518 if (!ast_function_codegen(parser->functions[i], ir)) {
4519 con_out("failed to generate function %s\n", parser->functions[i]->name);
4520 ir_builder_delete(ir);
4525 ir_builder_dump(ir, con_out);
4526 for (i = 0; i < vec_size(parser->functions); ++i) {
4527 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
4528 con_out("failed to finalize function %s\n", parser->functions[i]->name);
4529 ir_builder_delete(ir);
4536 ir_builder_dump(ir, con_out);
4538 generate_checksum(parser);
4540 if (!ir_builder_generate(ir, output)) {
4541 con_out("*** failed to generate output file\n");
4542 ir_builder_delete(ir);
4547 ir_builder_delete(ir);
4551 con_out("*** there were compile errors\n");