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 (void)block; /* not touching */
2051 if (!parser_next(parser)) {
2052 parseerror(parser, "expected return expression");
2056 if (parser->tok != ';') {
2057 exp = parse_expression(parser, false);
2061 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
2062 parseerror(parser, "return with invalid expression");
2065 ret = ast_return_new(exp->expression.node.context, exp);
2071 if (!parser_next(parser))
2072 parseerror(parser, "parse error");
2073 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2074 if (opts_standard != COMPILER_GMQCC)
2075 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2077 parseerror(parser, "return without value");
2079 ret = ast_return_new(parser_ctx(parser), NULL);
2081 *out = (ast_expression*)ret;
2085 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2087 lex_ctx ctx = parser_ctx(parser);
2089 (void)block; /* not touching */
2091 if (!parser_next(parser) || parser->tok != ';') {
2092 parseerror(parser, "expected semicolon");
2096 if (!parser_next(parser))
2097 parseerror(parser, "parse error");
2099 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
2103 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2105 ast_expression *operand;
2107 ast_switch *switchnode;
2108 ast_switch_case swcase;
2110 lex_ctx ctx = parser_ctx(parser);
2112 (void)block; /* not touching */
2115 /* parse over the opening paren */
2116 if (!parser_next(parser) || parser->tok != '(') {
2117 parseerror(parser, "expected switch operand in parenthesis");
2121 /* parse into the expression */
2122 if (!parser_next(parser)) {
2123 parseerror(parser, "expected switch operand");
2126 /* parse the operand */
2127 operand = parse_expression_leave(parser, false);
2131 switchnode = ast_switch_new(ctx, operand);
2134 if (parser->tok != ')') {
2135 ast_delete(switchnode);
2136 parseerror(parser, "expected closing paren after 'switch' operand");
2140 /* parse over the opening paren */
2141 if (!parser_next(parser) || parser->tok != '{') {
2142 ast_delete(switchnode);
2143 parseerror(parser, "expected list of cases");
2147 if (!parser_next(parser)) {
2148 ast_delete(switchnode);
2149 parseerror(parser, "expected 'case' or 'default'");
2154 while (parser->tok != '}') {
2155 ast_block *caseblock;
2157 if (parser->tok != TOKEN_KEYWORD) {
2158 ast_delete(switchnode);
2159 parseerror(parser, "expected 'case' or 'default'");
2162 if (!strcmp(parser_tokval(parser), "case")) {
2163 if (!parser_next(parser)) {
2164 ast_delete(switchnode);
2165 parseerror(parser, "expected expression for case");
2168 swcase.value = parse_expression_leave(parser, false);
2169 if (!swcase.value) {
2170 ast_delete(switchnode);
2171 parseerror(parser, "expected expression for case");
2174 if (!OPTS_FLAG(RELAXED_SWITCH)) {
2175 opval = (ast_value*)swcase.value;
2176 if (!ast_istype(swcase.value, ast_value)) { /* || opval->cvq != CV_CONST) { */
2177 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
2183 else if (!strcmp(parser_tokval(parser), "default")) {
2184 swcase.value = NULL;
2185 if (!parser_next(parser)) {
2186 ast_delete(switchnode);
2187 parseerror(parser, "expected colon");
2192 /* Now the colon and body */
2193 if (parser->tok != ':') {
2194 if (swcase.value) ast_unref(swcase.value);
2195 ast_delete(switchnode);
2196 parseerror(parser, "expected colon");
2200 if (!parser_next(parser)) {
2201 if (swcase.value) ast_unref(swcase.value);
2202 ast_delete(switchnode);
2203 parseerror(parser, "expected statements or case");
2206 caseblock = ast_block_new(parser_ctx(parser));
2208 if (swcase.value) ast_unref(swcase.value);
2209 ast_delete(switchnode);
2212 swcase.code = (ast_expression*)caseblock;
2213 vec_push(switchnode->cases, swcase);
2215 ast_expression *expr;
2216 if (parser->tok == '}')
2218 if (parser->tok == TOKEN_KEYWORD) {
2219 if (!strcmp(parser_tokval(parser), "case") ||
2220 !strcmp(parser_tokval(parser), "default"))
2225 if (!parse_statement(parser, caseblock, &expr, true)) {
2226 ast_delete(switchnode);
2231 ast_block_add_expr(caseblock, expr);
2236 if (parser->tok != '}') {
2237 ast_delete(switchnode);
2238 parseerror(parser, "expected closing paren of case list");
2241 if (!parser_next(parser)) {
2242 ast_delete(switchnode);
2243 parseerror(parser, "parse error after switch");
2246 *out = (ast_expression*)switchnode;
2250 static bool parse_goto(parser_t *parser, ast_expression **out)
2255 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2256 parseerror(parser, "expected label name after `goto`");
2260 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
2262 for (i = 0; i < vec_size(parser->labels); ++i) {
2263 if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
2264 ast_goto_set_label(gt, parser->labels[i]);
2268 if (i == vec_size(parser->labels))
2269 vec_push(parser->gotos, gt);
2271 if (!parser_next(parser) || parser->tok != ';') {
2272 parseerror(parser, "semicolon expected after goto label");
2275 if (!parser_next(parser)) {
2276 parseerror(parser, "parse error after goto");
2280 *out = (ast_expression*)gt;
2284 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
2287 ast_value *typevar = NULL;
2290 if (parser->tok == TOKEN_IDENT)
2291 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2293 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
2295 /* local variable */
2297 parseerror(parser, "cannot declare a variable from here");
2300 if (opts_standard == COMPILER_QCC) {
2301 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
2304 if (!parse_variable(parser, block, false, CV_NONE, typevar))
2309 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
2313 else if (parser->tok == TOKEN_KEYWORD)
2315 if (!strcmp(parser_tokval(parser), "local") ||
2316 !strcmp(parser_tokval(parser), "const") ||
2317 !strcmp(parser_tokval(parser), "var"))
2320 if (parser_tokval(parser)[0] == 'c')
2322 else if (parser_tokval(parser)[0] == 'v')
2328 parseerror(parser, "cannot declare a local variable here");
2331 if (!parser_next(parser)) {
2332 parseerror(parser, "expected variable declaration");
2335 if (!parse_variable(parser, block, true, cvq, NULL))
2340 else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
2345 if (!parser_next(parser)) {
2346 parseerror(parser, "parse error after __builtin_debug_printtype");
2350 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
2352 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
2353 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
2354 if (!parser_next(parser)) {
2355 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
2361 if (!parse_statement(parser, block, out, allow_cases))
2364 con_out("__builtin_debug_printtype: got no output node\n");
2367 ast_type_to_string(*out, ty, sizeof(ty));
2368 con_out("__builtin_debug_printtype: `%s`\n", ty);
2373 else if (!strcmp(parser_tokval(parser), "return"))
2375 return parse_return(parser, block, out);
2377 else if (!strcmp(parser_tokval(parser), "if"))
2379 return parse_if(parser, block, out);
2381 else if (!strcmp(parser_tokval(parser), "while"))
2383 return parse_while(parser, block, out);
2385 else if (!strcmp(parser_tokval(parser), "do"))
2387 return parse_dowhile(parser, block, out);
2389 else if (!strcmp(parser_tokval(parser), "for"))
2391 if (opts_standard == COMPILER_QCC) {
2392 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
2395 return parse_for(parser, block, out);
2397 else if (!strcmp(parser_tokval(parser), "break"))
2399 return parse_break_continue(parser, block, out, false);
2401 else if (!strcmp(parser_tokval(parser), "continue"))
2403 return parse_break_continue(parser, block, out, true);
2405 else if (!strcmp(parser_tokval(parser), "switch"))
2407 return parse_switch(parser, block, out);
2409 else if (!strcmp(parser_tokval(parser), "case") ||
2410 !strcmp(parser_tokval(parser), "default"))
2413 parseerror(parser, "unexpected 'case' label");
2418 else if (!strcmp(parser_tokval(parser), "goto"))
2420 return parse_goto(parser, out);
2422 else if (!strcmp(parser_tokval(parser), "typedef"))
2424 if (!parser_next(parser)) {
2425 parseerror(parser, "expected type definition after 'typedef'");
2428 return parse_typedef(parser);
2430 parseerror(parser, "Unexpected keyword");
2433 else if (parser->tok == '{')
2436 inner = parse_block(parser);
2439 *out = (ast_expression*)inner;
2442 else if (parser->tok == ':')
2446 if (!parser_next(parser)) {
2447 parseerror(parser, "expected label name");
2450 if (parser->tok != TOKEN_IDENT) {
2451 parseerror(parser, "label must be an identifier");
2454 label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
2457 vec_push(parser->labels, label);
2458 *out = (ast_expression*)label;
2459 if (!parser_next(parser)) {
2460 parseerror(parser, "parse error after label");
2463 for (i = 0; i < vec_size(parser->gotos); ++i) {
2464 if (!strcmp(parser->gotos[i]->name, label->name)) {
2465 ast_goto_set_label(parser->gotos[i], label);
2466 vec_remove(parser->gotos, i, 1);
2472 else if (parser->tok == ';')
2474 if (!parser_next(parser)) {
2475 parseerror(parser, "parse error after empty statement");
2482 ast_expression *exp = parse_expression(parser, false);
2486 if (!ast_side_effects(exp)) {
2487 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2494 static bool parse_block_into(parser_t *parser, ast_block *block)
2498 parser_enterblock(parser);
2500 if (!parser_next(parser)) { /* skip the '{' */
2501 parseerror(parser, "expected function body");
2505 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2507 ast_expression *expr = NULL;
2508 if (parser->tok == '}')
2511 if (!parse_statement(parser, block, &expr, false)) {
2512 /* parseerror(parser, "parse error"); */
2518 ast_block_add_expr(block, expr);
2521 if (parser->tok != '}') {
2524 (void)parser_next(parser);
2528 if (!parser_leaveblock(parser))
2530 return retval && !!block;
2533 static ast_block* parse_block(parser_t *parser)
2536 block = ast_block_new(parser_ctx(parser));
2539 if (!parse_block_into(parser, block)) {
2540 ast_block_delete(block);
2546 static ast_expression* parse_statement_or_block(parser_t *parser)
2548 ast_expression *expr = NULL;
2549 if (parser->tok == '{')
2550 return (ast_expression*)parse_block(parser);
2551 if (!parse_statement(parser, NULL, &expr, false))
2556 static bool create_vector_members(ast_value *var, ast_member **me)
2559 size_t len = strlen(var->name);
2561 for (i = 0; i < 3; ++i) {
2562 char *name = mem_a(len+3);
2563 memcpy(name, var->name, len);
2565 name[len+1] = 'x'+i;
2567 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
2576 do { ast_member_delete(me[--i]); } while(i);
2580 static bool parse_function_body(parser_t *parser, ast_value *var)
2582 ast_block *block = NULL;
2587 ast_expression *framenum = NULL;
2588 ast_expression *nextthink = NULL;
2589 /* None of the following have to be deleted */
2590 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
2591 ast_expression *gbl_time = NULL, *gbl_self = NULL;
2592 bool has_frame_think;
2596 has_frame_think = false;
2597 old = parser->function;
2599 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
2600 parseerror(parser, "gotos/labels leaking");
2604 if (var->expression.variadic) {
2605 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2606 "variadic function with implementation will not be able to access additional parameters"))
2612 if (parser->tok == '[') {
2613 /* got a frame definition: [ framenum, nextthink ]
2614 * this translates to:
2615 * self.frame = framenum;
2616 * self.nextthink = time + 0.1;
2617 * self.think = nextthink;
2621 fld_think = parser_find_field(parser, "think");
2622 fld_nextthink = parser_find_field(parser, "nextthink");
2623 fld_frame = parser_find_field(parser, "frame");
2624 if (!fld_think || !fld_nextthink || !fld_frame) {
2625 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2626 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2629 gbl_time = parser_find_global(parser, "time");
2630 gbl_self = parser_find_global(parser, "self");
2631 if (!gbl_time || !gbl_self) {
2632 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2633 parseerror(parser, "please declare the following globals: `time`, `self`");
2637 if (!parser_next(parser))
2640 framenum = parse_expression_leave(parser, true);
2642 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2645 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
2646 ast_unref(framenum);
2647 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2651 if (parser->tok != ',') {
2652 ast_unref(framenum);
2653 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2654 parseerror(parser, "Got a %i\n", parser->tok);
2658 if (!parser_next(parser)) {
2659 ast_unref(framenum);
2663 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2665 /* qc allows the use of not-yet-declared functions here
2666 * - this automatically creates a prototype */
2667 ast_value *thinkfunc;
2668 ast_expression *functype = fld_think->expression.next;
2670 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2671 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2672 ast_unref(framenum);
2673 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2677 if (!parser_next(parser)) {
2678 ast_unref(framenum);
2679 ast_delete(thinkfunc);
2683 vec_push(parser->globals, (ast_expression*)thinkfunc);
2684 util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
2685 nextthink = (ast_expression*)thinkfunc;
2688 nextthink = parse_expression_leave(parser, true);
2690 ast_unref(framenum);
2691 parseerror(parser, "expected a think-function in [frame,think] notation");
2696 if (!ast_istype(nextthink, ast_value)) {
2697 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2701 if (retval && parser->tok != ']') {
2702 parseerror(parser, "expected closing `]` for [frame,think] notation");
2706 if (retval && !parser_next(parser)) {
2710 if (retval && parser->tok != '{') {
2711 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2716 ast_unref(nextthink);
2717 ast_unref(framenum);
2721 has_frame_think = true;
2724 block = ast_block_new(parser_ctx(parser));
2726 parseerror(parser, "failed to allocate block");
2727 if (has_frame_think) {
2728 ast_unref(nextthink);
2729 ast_unref(framenum);
2734 if (has_frame_think) {
2736 ast_expression *self_frame;
2737 ast_expression *self_nextthink;
2738 ast_expression *self_think;
2739 ast_expression *time_plus_1;
2740 ast_store *store_frame;
2741 ast_store *store_nextthink;
2742 ast_store *store_think;
2744 ctx = parser_ctx(parser);
2745 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2746 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2747 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2749 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2750 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2752 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2753 if (self_frame) ast_delete(self_frame);
2754 if (self_nextthink) ast_delete(self_nextthink);
2755 if (self_think) ast_delete(self_think);
2756 if (time_plus_1) ast_delete(time_plus_1);
2762 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2763 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2764 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2767 ast_delete(self_frame);
2770 if (!store_nextthink) {
2771 ast_delete(self_nextthink);
2775 ast_delete(self_think);
2779 if (store_frame) ast_delete(store_frame);
2780 if (store_nextthink) ast_delete(store_nextthink);
2781 if (store_think) ast_delete(store_think);
2784 ast_block_add_expr(block, (ast_expression*)store_frame);
2785 ast_block_add_expr(block, (ast_expression*)store_nextthink);
2786 ast_block_add_expr(block, (ast_expression*)store_think);
2790 parseerror(parser, "failed to generate code for [frame,think]");
2791 ast_unref(nextthink);
2792 ast_unref(framenum);
2798 parser_enterblock(parser);
2800 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2802 ast_value *param = var->expression.params[parami];
2805 if (param->expression.vtype != TYPE_VECTOR &&
2806 (param->expression.vtype != TYPE_FIELD ||
2807 param->expression.next->expression.vtype != TYPE_VECTOR))
2812 if (!create_vector_members(param, me)) {
2813 ast_block_delete(block);
2817 for (e = 0; e < 3; ++e) {
2818 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
2819 ast_block_collect(block, (ast_expression*)me[e]);
2823 func = ast_function_new(ast_ctx(var), var->name, var);
2825 parseerror(parser, "failed to allocate function for `%s`", var->name);
2826 ast_block_delete(block);
2829 vec_push(parser->functions, func);
2831 parser->function = func;
2832 if (!parse_block_into(parser, block)) {
2833 ast_block_delete(block);
2837 vec_push(func->blocks, block);
2839 parser->function = old;
2840 if (!parser_leaveblock(parser))
2842 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
2843 parseerror(parser, "internal error: local scopes left");
2847 if (parser->tok == ';')
2848 return parser_next(parser);
2849 else if (opts_standard == COMPILER_QCC)
2850 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2854 vec_pop(parser->functions);
2855 ast_function_delete(func);
2856 var->constval.vfunc = NULL;
2859 (void)!parser_leaveblock(parser);
2860 parser->function = old;
2864 static ast_expression *array_accessor_split(
2869 ast_expression *left,
2870 ast_expression *right
2876 lex_ctx ctx = ast_ctx(array);
2878 if (!left || !right) {
2879 if (left) ast_delete(left);
2880 if (right) ast_delete(right);
2884 cmp = ast_binary_new(ctx, INSTR_LT,
2885 (ast_expression*)index,
2886 (ast_expression*)parser_const_float(parser, middle));
2890 parseerror(parser, "internal error: failed to create comparison for array setter");
2894 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2896 ast_delete(cmp); /* will delete left and right */
2897 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2901 return (ast_expression*)ifthen;
2904 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2906 lex_ctx ctx = ast_ctx(array);
2908 if (from+1 == afterend) {
2909 /* set this value */
2912 ast_array_index *subscript;
2914 int assignop = type_store_instr[value->expression.vtype];
2916 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2917 assignop = INSTR_STORE_V;
2919 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2923 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2925 ast_delete(subscript);
2929 block = ast_block_new(ctx);
2935 ast_block_add_expr(block, (ast_expression*)st);
2937 ret = ast_return_new(ctx, NULL);
2943 ast_block_add_expr(block, (ast_expression*)ret);
2945 return (ast_expression*)block;
2947 ast_expression *left, *right;
2948 size_t diff = afterend - from;
2949 size_t middle = from + diff/2;
2950 left = array_setter_node(parser, array, index, value, from, middle);
2951 right = array_setter_node(parser, array, index, value, middle, afterend);
2952 return array_accessor_split(parser, array, index, middle, left, right);
2956 static ast_expression *array_field_setter_node(
2965 lex_ctx ctx = ast_ctx(array);
2967 if (from+1 == afterend) {
2968 /* set this value */
2971 ast_entfield *entfield;
2972 ast_array_index *subscript;
2974 int assignop = type_storep_instr[value->expression.vtype];
2976 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2977 assignop = INSTR_STOREP_V;
2979 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2983 entfield = ast_entfield_new_force(ctx,
2984 (ast_expression*)entity,
2985 (ast_expression*)subscript,
2986 (ast_expression*)subscript);
2988 ast_delete(subscript);
2992 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2994 ast_delete(entfield);
2998 block = ast_block_new(ctx);
3004 ast_block_add_expr(block, (ast_expression*)st);
3006 ret = ast_return_new(ctx, NULL);
3012 ast_block_add_expr(block, (ast_expression*)ret);
3014 return (ast_expression*)block;
3016 ast_expression *left, *right;
3017 size_t diff = afterend - from;
3018 size_t middle = from + diff/2;
3019 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
3020 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
3021 return array_accessor_split(parser, array, index, middle, left, right);
3025 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
3027 lex_ctx ctx = ast_ctx(array);
3029 if (from+1 == afterend) {
3031 ast_array_index *subscript;
3033 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
3037 ret = ast_return_new(ctx, (ast_expression*)subscript);
3039 ast_delete(subscript);
3043 return (ast_expression*)ret;
3045 ast_expression *left, *right;
3046 size_t diff = afterend - from;
3047 size_t middle = from + diff/2;
3048 left = array_getter_node(parser, array, index, from, middle);
3049 right = array_getter_node(parser, array, index, middle, afterend);
3050 return array_accessor_split(parser, array, index, middle, left, right);
3054 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
3056 ast_function *func = NULL;
3057 ast_value *fval = NULL;
3058 ast_block *body = NULL;
3060 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
3062 parseerror(parser, "failed to create accessor function value");
3066 func = ast_function_new(ast_ctx(array), funcname, fval);
3069 parseerror(parser, "failed to create accessor function node");
3073 body = ast_block_new(ast_ctx(array));
3075 parseerror(parser, "failed to create block for array accessor");
3081 vec_push(func->blocks, body);
3084 vec_push(parser->accessors, fval);
3089 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
3091 ast_expression *root = NULL;
3092 ast_value *index = NULL;
3093 ast_value *value = NULL;
3097 if (!ast_istype(array->expression.next, ast_value)) {
3098 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3102 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3104 func = fval->constval.vfunc;
3105 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3107 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3108 value = ast_value_copy((ast_value*)array->expression.next);
3110 if (!index || !value) {
3111 parseerror(parser, "failed to create locals for array accessor");
3114 (void)!ast_value_set_name(value, "value"); /* not important */
3115 vec_push(fval->expression.params, index);
3116 vec_push(fval->expression.params, value);
3118 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
3120 parseerror(parser, "failed to build accessor search tree");
3124 ast_block_add_expr(func->blocks[0], root);
3125 array->setter = fval;
3128 if (index) ast_delete(index);
3129 if (value) ast_delete(value);
3130 if (root) ast_delete(root);
3136 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
3138 ast_expression *root = NULL;
3139 ast_value *entity = NULL;
3140 ast_value *index = NULL;
3141 ast_value *value = NULL;
3145 if (!ast_istype(array->expression.next, ast_value)) {
3146 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3150 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3152 func = fval->constval.vfunc;
3153 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3155 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
3156 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3157 value = ast_value_copy((ast_value*)array->expression.next);
3158 if (!entity || !index || !value) {
3159 parseerror(parser, "failed to create locals for array accessor");
3162 (void)!ast_value_set_name(value, "value"); /* not important */
3163 vec_push(fval->expression.params, entity);
3164 vec_push(fval->expression.params, index);
3165 vec_push(fval->expression.params, value);
3167 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
3169 parseerror(parser, "failed to build accessor search tree");
3173 ast_block_add_expr(func->blocks[0], root);
3174 array->setter = fval;
3177 if (entity) ast_delete(entity);
3178 if (index) ast_delete(index);
3179 if (value) ast_delete(value);
3180 if (root) ast_delete(root);
3186 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
3188 ast_expression *root = NULL;
3189 ast_value *index = NULL;
3193 /* NOTE: checking array->expression.next rather than elemtype since
3194 * for fields elemtype is a temporary fieldtype.
3196 if (!ast_istype(array->expression.next, ast_value)) {
3197 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3201 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3203 func = fval->constval.vfunc;
3204 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
3206 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3209 parseerror(parser, "failed to create locals for array accessor");
3212 vec_push(fval->expression.params, index);
3214 root = array_getter_node(parser, array, index, 0, array->expression.count);
3216 parseerror(parser, "failed to build accessor search tree");
3220 ast_block_add_expr(func->blocks[0], root);
3221 array->getter = fval;
3224 if (index) ast_delete(index);
3225 if (root) ast_delete(root);
3231 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
3232 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
3240 bool variadic = false;
3242 ctx = parser_ctx(parser);
3244 /* for the sake of less code we parse-in in this function */
3245 if (!parser_next(parser)) {
3246 parseerror(parser, "expected parameter list");
3252 /* parse variables until we hit a closing paren */
3253 while (parser->tok != ')') {
3255 /* there must be commas between them */
3256 if (parser->tok != ',') {
3257 parseerror(parser, "expected comma or end of parameter list");
3260 if (!parser_next(parser)) {
3261 parseerror(parser, "expected parameter");
3267 if (parser->tok == TOKEN_DOTS) {
3268 /* '...' indicates a varargs function */
3270 if (!parser_next(parser)) {
3271 parseerror(parser, "expected parameter");
3274 if (parser->tok != ')') {
3275 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
3281 /* for anything else just parse a typename */
3282 param = parse_typename(parser, NULL, NULL);
3285 vec_push(params, param);
3286 if (param->expression.vtype >= TYPE_VARIANT) {
3287 char typename[1024];
3288 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
3289 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
3295 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
3299 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
3300 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
3303 if (!parser_next(parser)) {
3304 parseerror(parser, "parse error after typename");
3308 /* now turn 'var' into a function type */
3309 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
3310 fval->expression.next = (ast_expression*)var;
3311 fval->expression.variadic = variadic;
3314 var->expression.params = params;
3321 for (i = 0; i < vec_size(params); ++i)
3322 ast_delete(params[i]);
3327 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
3329 ast_expression *cexp;
3330 ast_value *cval, *tmp;
3333 ctx = parser_ctx(parser);
3335 if (!parser_next(parser)) {
3337 parseerror(parser, "expected array-size");
3341 cexp = parse_expression_leave(parser, true);
3343 if (!cexp || !ast_istype(cexp, ast_value)) {
3347 parseerror(parser, "expected array-size as constant positive integer");
3350 cval = (ast_value*)cexp;
3352 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
3353 tmp->expression.next = (ast_expression*)var;
3356 if (cval->expression.vtype == TYPE_INTEGER)
3357 tmp->expression.count = cval->constval.vint;
3358 else if (cval->expression.vtype == TYPE_FLOAT)
3359 tmp->expression.count = cval->constval.vfloat;
3363 parseerror(parser, "array-size must be a positive integer constant");
3368 if (parser->tok != ']') {
3370 parseerror(parser, "expected ']' after array-size");
3373 if (!parser_next(parser)) {
3375 parseerror(parser, "error after parsing array size");
3381 /* Parse a complete typename.
3382 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
3383 * but when parsing variables separated by comma
3384 * 'storebase' should point to where the base-type should be kept.
3385 * The base type makes up every bit of type information which comes *before* the
3388 * The following will be parsed in its entirety:
3390 * The 'basetype' in this case is 'void()'
3391 * and if there's a comma after it, say:
3393 * then the type-information 'void()' can be stored in 'storebase'
3395 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
3397 ast_value *var, *tmp;
3400 const char *name = NULL;
3401 bool isfield = false;
3402 bool wasarray = false;
3403 size_t morefields = 0;
3405 ctx = parser_ctx(parser);
3407 /* types may start with a dot */
3408 if (parser->tok == '.') {
3410 /* if we parsed a dot we need a typename now */
3411 if (!parser_next(parser)) {
3412 parseerror(parser, "expected typename for field definition");
3416 /* Further dots are handled seperately because they won't be part of the
3419 while (parser->tok == '.') {
3421 if (!parser_next(parser)) {
3422 parseerror(parser, "expected typename for field definition");
3427 if (parser->tok == TOKEN_IDENT)
3428 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
3429 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
3430 parseerror(parser, "expected typename");
3434 /* generate the basic type value */
3435 if (cached_typedef) {
3436 var = ast_value_copy(cached_typedef);
3437 ast_value_set_name(var, "<type(from_def)>");
3439 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
3441 for (; morefields; --morefields) {
3442 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
3443 tmp->expression.next = (ast_expression*)var;
3447 /* do not yet turn into a field - remember:
3448 * .void() foo; is a field too
3449 * .void()() foo; is a function
3453 if (!parser_next(parser)) {
3455 parseerror(parser, "parse error after typename");
3459 /* an opening paren now starts the parameter-list of a function
3460 * this is where original-QC has parameter lists.
3461 * We allow a single parameter list here.
3462 * Much like fteqcc we don't allow `float()() x`
3464 if (parser->tok == '(') {
3465 var = parse_parameter_list(parser, var);
3470 /* store the base if requested */
3472 *storebase = ast_value_copy(var);
3474 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3475 tmp->expression.next = (ast_expression*)*storebase;
3480 /* there may be a name now */
3481 if (parser->tok == TOKEN_IDENT) {
3482 name = util_strdup(parser_tokval(parser));
3484 if (!parser_next(parser)) {
3486 parseerror(parser, "error after variable or field declaration");
3491 /* now this may be an array */
3492 if (parser->tok == '[') {
3494 var = parse_arraysize(parser, var);
3499 /* This is the point where we can turn it into a field */
3501 /* turn it into a field if desired */
3502 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3503 tmp->expression.next = (ast_expression*)var;
3507 /* now there may be function parens again */
3508 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
3509 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3510 if (parser->tok == '(' && wasarray)
3511 parseerror(parser, "arrays as part of a return type is not supported");
3512 while (parser->tok == '(') {
3513 var = parse_parameter_list(parser, var);
3522 /* finally name it */
3524 if (!ast_value_set_name(var, name)) {
3526 parseerror(parser, "internal error: failed to set name");
3529 /* free the name, ast_value_set_name duplicates */
3536 static bool parse_typedef(parser_t *parser)
3538 ast_value *typevar, *oldtype;
3539 ast_expression *old;
3541 typevar = parse_typename(parser, NULL, NULL);
3546 if ( (old = parser_find_var(parser, typevar->name)) ) {
3547 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
3548 " -> `%s` has been declared here: %s:%i",
3549 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
3550 ast_delete(typevar);
3554 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
3555 parseerror(parser, "type `%s` has already been declared here: %s:%i",
3556 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
3557 ast_delete(typevar);
3561 vec_push(parser->_typedefs, typevar);
3562 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
3564 if (parser->tok != ';') {
3565 parseerror(parser, "expected semicolon after typedef");
3568 if (!parser_next(parser)) {
3569 parseerror(parser, "parse error after typedef");
3576 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef)
3580 ast_expression *old;
3584 ast_value *basetype = NULL;
3586 bool isparam = false;
3587 bool isvector = false;
3588 bool cleanvar = true;
3589 bool wasarray = false;
3593 /* get the first complete variable */
3594 var = parse_typename(parser, &basetype, cached_typedef);
3597 ast_delete(basetype);
3605 /* Part 0: finish the type */
3606 if (parser->tok == '(') {
3607 if (opts_standard == COMPILER_QCC)
3608 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3609 var = parse_parameter_list(parser, var);
3615 /* we only allow 1-dimensional arrays */
3616 if (parser->tok == '[') {
3618 var = parse_arraysize(parser, var);
3624 if (parser->tok == '(' && wasarray) {
3625 parseerror(parser, "arrays as part of a return type is not supported");
3626 /* we'll still parse the type completely for now */
3628 /* for functions returning functions */
3629 while (parser->tok == '(') {
3630 if (opts_standard == COMPILER_QCC)
3631 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3632 var = parse_parameter_list(parser, var);
3639 var->cvq = qualifier;
3642 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3643 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3644 * is then filled with the previous definition and the parameter-names replaced.
3647 /* Deal with end_sys_ vars */
3649 if (!strcmp(var->name, "end_sys_globals")) {
3650 parser->crc_globals = vec_size(parser->globals);
3653 else if (!strcmp(var->name, "end_sys_fields")) {
3654 parser->crc_fields = vec_size(parser->fields);
3657 if (was_end && var->expression.vtype == TYPE_FIELD) {
3658 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3659 "global '%s' hint should not be a field",
3660 parser_tokval(parser)))
3667 if (!nofields && var->expression.vtype == TYPE_FIELD)
3669 /* deal with field declarations */
3670 old = parser_find_field(parser, var->name);
3672 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3673 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3682 parseerror(parser, "field `%s` already declared here: %s:%i",
3683 var->name, ast_ctx(old).file, ast_ctx(old).line);
3688 if (opts_standard == COMPILER_QCC &&
3689 (old = parser_find_global(parser, var->name)))
3691 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3692 parseerror(parser, "field `%s` already declared here: %s:%i",
3693 var->name, ast_ctx(old).file, ast_ctx(old).line);
3700 /* deal with other globals */
3701 old = parser_find_global(parser, var->name);
3702 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3704 /* This is a function which had a prototype */
3705 if (!ast_istype(old, ast_value)) {
3706 parseerror(parser, "internal error: prototype is not an ast_value");
3710 proto = (ast_value*)old;
3711 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3712 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3714 ast_ctx(proto).file, ast_ctx(proto).line);
3718 /* we need the new parameter-names */
3719 for (i = 0; i < vec_size(proto->expression.params); ++i)
3720 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3728 if (opts_standard == COMPILER_GMQCC) {
3729 parseerror(parser, "global `%s` already declared here: %s:%i",
3730 var->name, ast_ctx(old).file, ast_ctx(old).line);
3734 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
3735 "global `%s` already declared here: %s:%i",
3736 var->name, ast_ctx(old).file, ast_ctx(old).line))
3741 proto = (ast_value*)old;
3742 if (!ast_istype(old, ast_value)) {
3743 parseerror(parser, "internal error: not an ast_value");
3752 if (opts_standard == COMPILER_QCC &&
3753 (old = parser_find_field(parser, var->name)))
3755 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3756 parseerror(parser, "global `%s` already declared here: %s:%i",
3757 var->name, ast_ctx(old).file, ast_ctx(old).line);
3764 else /* it's not a global */
3766 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
3767 if (old && !isparam) {
3768 parseerror(parser, "local `%s` already declared here: %s:%i",
3769 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3773 old = parser_find_local(parser, var->name, 0, &isparam);
3774 if (old && isparam) {
3775 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3776 "local `%s` is shadowing a parameter", var->name))
3778 parseerror(parser, "local `%s` already declared here: %s:%i",
3779 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3783 if (opts_standard != COMPILER_GMQCC) {
3792 * Create the global/local, and deal with vector types.
3795 if (var->expression.vtype == TYPE_VECTOR)
3797 else if (var->expression.vtype == TYPE_FIELD &&
3798 var->expression.next->expression.vtype == TYPE_VECTOR)
3802 if (!create_vector_members(var, me)) {
3809 /* deal with global variables, fields, functions */
3810 if (!nofields && var->expression.vtype == TYPE_FIELD) {
3811 vec_push(parser->fields, (ast_expression*)var);
3812 util_htset(parser->htfields, var->name, var);
3814 for (i = 0; i < 3; ++i) {
3815 vec_push(parser->fields, (ast_expression*)me[i]);
3816 util_htset(parser->htfields, me[i]->name, me[i]);
3821 vec_push(parser->globals, (ast_expression*)var);
3822 util_htset(parser->htglobals, var->name, var);
3824 for (i = 0; i < 3; ++i) {
3825 vec_push(parser->globals, (ast_expression*)me[i]);
3826 util_htset(parser->htglobals, me[i]->name, me[i]);
3831 vec_push(localblock->locals, var);
3832 parser_addlocal(parser, var->name, (ast_expression*)var);
3834 for (i = 0; i < 3; ++i) {
3835 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
3836 ast_block_collect(localblock, (ast_expression*)me[i]);
3842 me[0] = me[1] = me[2] = NULL;
3847 if (var->expression.vtype == TYPE_ARRAY) {
3849 snprintf(name, sizeof(name), "%s##SET", var->name);
3850 if (!parser_create_array_setter(parser, var, name))
3852 snprintf(name, sizeof(name), "%s##GET", var->name);
3853 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3856 else if (!localblock && !nofields &&
3857 var->expression.vtype == TYPE_FIELD &&
3858 var->expression.next->expression.vtype == TYPE_ARRAY)
3861 ast_expression *telem;
3863 ast_value *array = (ast_value*)var->expression.next;
3865 if (!ast_istype(var->expression.next, ast_value)) {
3866 parseerror(parser, "internal error: field element type must be an ast_value");
3870 snprintf(name, sizeof(name), "%s##SETF", var->name);
3871 if (!parser_create_array_field_setter(parser, array, name))
3874 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3875 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3876 tfield->expression.next = telem;
3877 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3878 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3886 if (parser->tok == ';') {
3887 ast_delete(basetype);
3888 if (!parser_next(parser)) {
3889 parseerror(parser, "error after variable declaration");
3895 if (parser->tok == ',')
3898 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3899 parseerror(parser, "missing comma or semicolon while parsing variables");
3903 if (localblock && opts_standard == COMPILER_QCC) {
3904 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3905 "initializing expression turns variable `%s` into a constant in this standard",
3912 if (parser->tok != '{') {
3913 if (parser->tok != '=') {
3914 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
3918 if (!parser_next(parser)) {
3919 parseerror(parser, "error parsing initializer");
3923 else if (opts_standard == COMPILER_QCC) {
3924 parseerror(parser, "expected '=' before function body in this standard");
3927 if (parser->tok == '#') {
3928 ast_function *func = NULL;
3931 parseerror(parser, "cannot declare builtins within functions");
3934 if (var->expression.vtype != TYPE_FUNCTION) {
3935 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3938 if (!parser_next(parser)) {
3939 parseerror(parser, "expected builtin number");
3942 if (parser->tok != TOKEN_INTCONST) {
3943 parseerror(parser, "builtin number must be an integer constant");
3946 if (parser_token(parser)->constval.i <= 0) {
3947 parseerror(parser, "builtin number must be an integer greater than zero");
3951 if (var->hasvalue) {
3952 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
3953 "builtin `%s` has already been defined\n"
3954 " -> previous declaration here: %s:%i",
3955 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
3959 func = ast_function_new(ast_ctx(var), var->name, var);
3961 parseerror(parser, "failed to allocate function for `%s`", var->name);
3964 vec_push(parser->functions, func);
3966 func->builtin = -parser_token(parser)->constval.i;
3969 if (!parser_next(parser)) {
3970 parseerror(parser, "expected comma or semicolon");
3972 ast_function_delete(func);
3973 var->constval.vfunc = NULL;
3977 else if (parser->tok == '{' || parser->tok == '[')
3981 parseerror(parser, "cannot declare functions within functions");
3986 ast_ctx(proto) = parser_ctx(parser);
3988 if (!parse_function_body(parser, var))
3990 ast_delete(basetype);
3991 for (i = 0; i < vec_size(parser->gotos); ++i)
3992 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
3993 vec_free(parser->gotos);
3994 vec_free(parser->labels);
3997 ast_expression *cexp;
4000 cexp = parse_expression_leave(parser, true);
4005 cval = (ast_value*)cexp;
4006 if (!ast_istype(cval, ast_value) || !cval->hasvalue || cval->cvq != CV_CONST)
4007 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
4010 if (opts_standard != COMPILER_GMQCC &&
4011 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4012 qualifier != CV_VAR)
4014 var->cvq = CV_CONST;
4016 var->hasvalue = true;
4017 if (cval->expression.vtype == TYPE_STRING)
4018 var->constval.vstring = parser_strdup(cval->constval.vstring);
4020 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
4025 shunt sy = { NULL, NULL };
4028 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
4029 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
4030 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
4031 if (!parser_sy_pop(parser, &sy))
4034 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
4035 parseerror(parser, "internal error: leaked operands");
4036 ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
4045 if (parser->tok == ',') {
4046 if (!parser_next(parser)) {
4047 parseerror(parser, "expected another variable");
4051 if (parser->tok != TOKEN_IDENT) {
4052 parseerror(parser, "expected another variable");
4055 var = ast_value_copy(basetype);
4057 ast_value_set_name(var, parser_tokval(parser));
4058 if (!parser_next(parser)) {
4059 parseerror(parser, "error parsing variable declaration");
4065 if (parser->tok != ';') {
4066 parseerror(parser, "missing semicolon after variables");
4070 if (!parser_next(parser)) {
4071 parseerror(parser, "parse error after variable declaration");
4075 ast_delete(basetype);
4079 if (cleanvar && var)
4081 ast_delete(basetype);
4085 ast_delete(basetype);
4086 if (cleanvar && var)
4088 if (me[0]) ast_member_delete(me[0]);
4089 if (me[1]) ast_member_delete(me[1]);
4090 if (me[2]) ast_member_delete(me[2]);
4094 static bool parser_global_statement(parser_t *parser)
4096 ast_value *istype = NULL;
4097 if (parser->tok == TOKEN_IDENT)
4098 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
4100 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
4102 return parse_variable(parser, NULL, false, CV_NONE, istype);
4104 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
4106 if (!strcmp(parser_tokval(parser), "var")) {
4107 if (!parser_next(parser)) {
4108 parseerror(parser, "expected variable declaration after 'var'");
4111 return parse_variable(parser, NULL, true, CV_VAR, NULL);
4114 else if (parser->tok == TOKEN_KEYWORD)
4116 if (!strcmp(parser_tokval(parser), "const")) {
4117 if (!parser_next(parser)) {
4118 parseerror(parser, "expected variable declaration after 'const'");
4121 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
4122 (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
4123 if (!parser_next(parser)) {
4124 parseerror(parser, "expected variable declaration after 'const var'");
4128 return parse_variable(parser, NULL, true, CV_CONST, NULL);
4130 else if (!strcmp(parser_tokval(parser), "typedef")) {
4131 if (!parser_next(parser)) {
4132 parseerror(parser, "expected type definition after 'typedef'");
4135 return parse_typedef(parser);
4137 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
4140 else if (parser->tok == '$')
4142 if (!parser_next(parser)) {
4143 parseerror(parser, "parse error");
4149 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
4155 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
4157 return util_crc16(old, str, strlen(str));
4160 static void progdefs_crc_file(const char *str)
4162 /* write to progdefs.h here */
4166 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
4168 old = progdefs_crc_sum(old, str);
4169 progdefs_crc_file(str);
4173 static void generate_checksum(parser_t *parser)
4175 uint16_t crc = 0xFFFF;
4179 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
4180 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
4182 progdefs_crc_file("\tint\tpad;\n");
4183 progdefs_crc_file("\tint\tofs_return[3];\n");
4184 progdefs_crc_file("\tint\tofs_parm0[3];\n");
4185 progdefs_crc_file("\tint\tofs_parm1[3];\n");
4186 progdefs_crc_file("\tint\tofs_parm2[3];\n");
4187 progdefs_crc_file("\tint\tofs_parm3[3];\n");
4188 progdefs_crc_file("\tint\tofs_parm4[3];\n");
4189 progdefs_crc_file("\tint\tofs_parm5[3];\n");
4190 progdefs_crc_file("\tint\tofs_parm6[3];\n");
4191 progdefs_crc_file("\tint\tofs_parm7[3];\n");
4193 for (i = 0; i < parser->crc_globals; ++i) {
4194 if (!ast_istype(parser->globals[i], ast_value))
4196 value = (ast_value*)(parser->globals[i]);
4197 switch (value->expression.vtype) {
4198 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4199 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4200 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4201 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4203 crc = progdefs_crc_both(crc, "\tint\t");
4206 crc = progdefs_crc_both(crc, value->name);
4207 crc = progdefs_crc_both(crc, ";\n");
4209 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
4210 for (i = 0; i < parser->crc_fields; ++i) {
4211 if (!ast_istype(parser->fields[i], ast_value))
4213 value = (ast_value*)(parser->fields[i]);
4214 switch (value->expression.next->expression.vtype) {
4215 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4216 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4217 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4218 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4220 crc = progdefs_crc_both(crc, "\tint\t");
4223 crc = progdefs_crc_both(crc, value->name);
4224 crc = progdefs_crc_both(crc, ";\n");
4226 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
4231 static parser_t *parser;
4237 parser = (parser_t*)mem_a(sizeof(parser_t));
4241 memset(parser, 0, sizeof(*parser));
4243 for (i = 0; i < operator_count; ++i) {
4244 if (operators[i].id == opid1('=')) {
4245 parser->assign_op = operators+i;
4249 if (!parser->assign_op) {
4250 printf("internal error: initializing parser: failed to find assign operator\n");
4255 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
4256 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
4257 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
4258 vec_push(parser->_blocktypedefs, 0);
4262 bool parser_compile()
4264 /* initial lexer/parser state */
4265 parser->lex->flags.noops = true;
4267 if (parser_next(parser))
4269 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
4271 if (!parser_global_statement(parser)) {
4272 if (parser->tok == TOKEN_EOF)
4273 parseerror(parser, "unexpected eof");
4274 else if (!parser->errors)
4275 parseerror(parser, "there have been errors, bailing out");
4276 lex_close(parser->lex);
4282 parseerror(parser, "parse error");
4283 lex_close(parser->lex);
4288 lex_close(parser->lex);
4291 return !parser->errors;
4294 bool parser_compile_file(const char *filename)
4296 parser->lex = lex_open(filename);
4298 con_err("failed to open file \"%s\"\n", filename);
4301 return parser_compile();
4304 bool parser_compile_string_len(const char *name, const char *str, size_t len)
4306 parser->lex = lex_open_string(str, len, name);
4308 con_err("failed to create lexer for string \"%s\"\n", name);
4311 return parser_compile();
4314 bool parser_compile_string(const char *name, const char *str)
4316 parser->lex = lex_open_string(str, strlen(str), name);
4318 con_err("failed to create lexer for string \"%s\"\n", name);
4321 return parser_compile();
4324 void parser_cleanup()
4327 for (i = 0; i < vec_size(parser->accessors); ++i) {
4328 ast_delete(parser->accessors[i]->constval.vfunc);
4329 parser->accessors[i]->constval.vfunc = NULL;
4330 ast_delete(parser->accessors[i]);
4332 for (i = 0; i < vec_size(parser->functions); ++i) {
4333 ast_delete(parser->functions[i]);
4335 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4336 ast_delete(parser->imm_vector[i]);
4338 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4339 ast_delete(parser->imm_string[i]);
4341 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4342 ast_delete(parser->imm_float[i]);
4344 for (i = 0; i < vec_size(parser->fields); ++i) {
4345 ast_delete(parser->fields[i]);
4347 for (i = 0; i < vec_size(parser->globals); ++i) {
4348 ast_delete(parser->globals[i]);
4350 vec_free(parser->accessors);
4351 vec_free(parser->functions);
4352 vec_free(parser->imm_vector);
4353 vec_free(parser->imm_string);
4354 vec_free(parser->imm_float);
4355 vec_free(parser->globals);
4356 vec_free(parser->fields);
4358 for (i = 0; i < vec_size(parser->variables); ++i)
4359 util_htdel(parser->variables[i]);
4360 vec_free(parser->variables);
4361 vec_free(parser->_blocklocals);
4362 vec_free(parser->_locals);
4364 for (i = 0; i < vec_size(parser->_typedefs); ++i)
4365 ast_delete(parser->_typedefs[i]);
4366 vec_free(parser->_typedefs);
4367 for (i = 0; i < vec_size(parser->typedefs); ++i)
4368 util_htdel(parser->typedefs[i]);
4369 vec_free(parser->typedefs);
4370 vec_free(parser->_blocktypedefs);
4372 vec_free(parser->_block_ctx);
4374 vec_free(parser->labels);
4375 vec_free(parser->gotos);
4380 bool parser_finish(const char *output)
4386 if (!parser->errors)
4388 ir = ir_builder_new("gmqcc_out");
4390 con_out("failed to allocate builder\n");
4394 for (i = 0; i < vec_size(parser->fields); ++i) {
4397 if (!ast_istype(parser->fields[i], ast_value))
4399 field = (ast_value*)parser->fields[i];
4400 hasvalue = field->hasvalue;
4401 field->hasvalue = false;
4402 if (!ast_global_codegen((ast_value*)field, ir, true)) {
4403 con_out("failed to generate field %s\n", field->name);
4404 ir_builder_delete(ir);
4409 ast_expression *subtype;
4410 field->hasvalue = true;
4411 subtype = field->expression.next;
4412 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
4413 if (subtype->expression.vtype == TYPE_FIELD)
4414 ifld->fieldtype = subtype->expression.next->expression.vtype;
4415 else if (subtype->expression.vtype == TYPE_FUNCTION)
4416 ifld->outtype = subtype->expression.next->expression.vtype;
4417 (void)!ir_value_set_field(field->ir_v, ifld);
4420 for (i = 0; i < vec_size(parser->globals); ++i) {
4422 if (!ast_istype(parser->globals[i], ast_value))
4424 asvalue = (ast_value*)(parser->globals[i]);
4425 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
4426 if (strcmp(asvalue->name, "end_sys_globals") &&
4427 strcmp(asvalue->name, "end_sys_fields"))
4429 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
4430 "unused global: `%s`", asvalue->name);
4433 if (!ast_global_codegen(asvalue, ir, false)) {
4434 con_out("failed to generate global %s\n", asvalue->name);
4435 ir_builder_delete(ir);
4439 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4440 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
4441 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
4442 ir_builder_delete(ir);
4446 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4447 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
4448 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
4449 ir_builder_delete(ir);
4453 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4454 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
4455 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
4456 ir_builder_delete(ir);
4460 for (i = 0; i < vec_size(parser->globals); ++i) {
4462 if (!ast_istype(parser->globals[i], ast_value))
4464 asvalue = (ast_value*)(parser->globals[i]);
4465 if (asvalue->setter) {
4466 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4467 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4468 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4470 printf("failed to generate setter for %s\n", asvalue->name);
4471 ir_builder_delete(ir);
4475 if (asvalue->getter) {
4476 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4477 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4478 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4480 printf("failed to generate getter for %s\n", asvalue->name);
4481 ir_builder_delete(ir);
4486 for (i = 0; i < vec_size(parser->fields); ++i) {
4488 asvalue = (ast_value*)(parser->fields[i]->expression.next);
4490 if (!ast_istype((ast_expression*)asvalue, ast_value))
4492 if (asvalue->expression.vtype != TYPE_ARRAY)
4494 if (asvalue->setter) {
4495 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4496 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4497 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4499 printf("failed to generate setter for %s\n", asvalue->name);
4500 ir_builder_delete(ir);
4504 if (asvalue->getter) {
4505 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4506 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4507 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4509 printf("failed to generate getter for %s\n", asvalue->name);
4510 ir_builder_delete(ir);
4515 for (i = 0; i < vec_size(parser->functions); ++i) {
4516 if (!ast_function_codegen(parser->functions[i], ir)) {
4517 con_out("failed to generate function %s\n", parser->functions[i]->name);
4518 ir_builder_delete(ir);
4523 ir_builder_dump(ir, con_out);
4524 for (i = 0; i < vec_size(parser->functions); ++i) {
4525 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
4526 con_out("failed to finalize function %s\n", parser->functions[i]->name);
4527 ir_builder_delete(ir);
4534 ir_builder_dump(ir, con_out);
4536 generate_checksum(parser);
4538 if (!ir_builder_generate(ir, output)) {
4539 con_out("*** failed to generate output file\n");
4540 ir_builder_delete(ir);
4545 ir_builder_delete(ir);
4549 con_out("*** there were compile errors\n");