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))
579 /* This is not broken in fteqcc anymore */
580 if (opts_standard != COMPILER_GMQCC) {
581 /* this error doesn't need to make us bail out */
582 (void)!parsewarning(parser, WARN_EXTENSIONS,
583 "accessing array-field members of an entity without parenthesis\n"
584 " -> this is an extension from -std=gmqcc");
592 ast_block_add_expr(blocks[0], exprs[1]);
594 blocks[0] = ast_block_new(ctx);
595 ast_block_add_expr(blocks[0], exprs[0]);
596 ast_block_add_expr(blocks[0], exprs[1]);
598 if (!ast_block_set_type(blocks[0], exprs[1]))
601 vec_push(sy->out, syblock(ctx, blocks[0]));
608 switch (exprs[0]->expression.vtype) {
610 if (CanConstFold1(exprs[0]))
611 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
613 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
614 (ast_expression*)parser_const_float_0(parser),
618 if (CanConstFold1(exprs[0]))
619 out = (ast_expression*)parser_const_vector_f(parser,
620 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
622 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
623 (ast_expression*)parser_const_vector_0(parser),
627 parseerror(parser, "invalid types used in expression: cannot negate type %s",
628 type_name[exprs[0]->expression.vtype]);
634 switch (exprs[0]->expression.vtype) {
636 if (CanConstFold1(exprs[0]))
637 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
639 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
642 if (CanConstFold1(exprs[0]))
643 out = (ast_expression*)parser_const_float(parser,
644 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
646 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
649 if (CanConstFold1(exprs[0]))
650 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
652 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
654 /* we don't constant-fold NOT for these types */
656 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
659 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
662 parseerror(parser, "invalid types used in expression: cannot logically negate type %s",
663 type_name[exprs[0]->expression.vtype]);
669 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
670 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
672 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
673 type_name[exprs[0]->expression.vtype],
674 type_name[exprs[1]->expression.vtype]);
677 switch (exprs[0]->expression.vtype) {
679 if (CanConstFold(exprs[0], exprs[1]))
681 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
684 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
687 if (CanConstFold(exprs[0], exprs[1]))
688 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
690 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
693 parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
694 type_name[exprs[0]->expression.vtype],
695 type_name[exprs[1]->expression.vtype]);
700 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
701 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
703 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
704 type_name[exprs[1]->expression.vtype],
705 type_name[exprs[0]->expression.vtype]);
708 switch (exprs[0]->expression.vtype) {
710 if (CanConstFold(exprs[0], exprs[1]))
711 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
713 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
716 if (CanConstFold(exprs[0], exprs[1]))
717 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
719 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
722 parseerror(parser, "invalid types used in expression: cannot subtract type %s from %s",
723 type_name[exprs[1]->expression.vtype],
724 type_name[exprs[0]->expression.vtype]);
729 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
730 exprs[0]->expression.vtype != TYPE_VECTOR &&
731 exprs[0]->expression.vtype != TYPE_FLOAT &&
732 exprs[1]->expression.vtype != TYPE_VECTOR &&
733 exprs[1]->expression.vtype != TYPE_FLOAT)
735 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
736 type_name[exprs[1]->expression.vtype],
737 type_name[exprs[0]->expression.vtype]);
740 switch (exprs[0]->expression.vtype) {
742 if (exprs[1]->expression.vtype == TYPE_VECTOR)
744 if (CanConstFold(exprs[0], exprs[1]))
745 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
747 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
751 if (CanConstFold(exprs[0], exprs[1]))
752 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
754 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
758 if (exprs[1]->expression.vtype == TYPE_FLOAT)
760 if (CanConstFold(exprs[0], exprs[1]))
761 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
763 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
767 if (CanConstFold(exprs[0], exprs[1]))
768 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
770 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
774 parseerror(parser, "invalid types used in expression: cannot multiply types %s and %s",
775 type_name[exprs[1]->expression.vtype],
776 type_name[exprs[0]->expression.vtype]);
781 if (NotSameType(TYPE_FLOAT)) {
782 parseerror(parser, "invalid types used in expression: cannot divide types %s and %s",
783 type_name[exprs[0]->expression.vtype],
784 type_name[exprs[1]->expression.vtype]);
787 if (CanConstFold(exprs[0], exprs[1]))
788 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
790 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
794 parseerror(parser, "qc does not have a modulo operator");
798 if (NotSameType(TYPE_FLOAT)) {
799 parseerror(parser, "invalid types used in expression: cannot perform bit operations between types %s and %s",
800 type_name[exprs[0]->expression.vtype],
801 type_name[exprs[1]->expression.vtype]);
804 if (CanConstFold(exprs[0], exprs[1]))
805 out = (ast_expression*)parser_const_float(parser,
806 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
807 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
809 out = (ast_expression*)ast_binary_new(ctx,
810 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
814 parseerror(parser, "TODO: bitxor");
819 case opid3('<','<','='):
820 case opid3('>','>','='):
821 parseerror(parser, "TODO: shifts");
825 generated_op += 1; /* INSTR_OR */
827 generated_op += INSTR_AND;
829 if (NotSameType(TYPE_FLOAT)) {
830 parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
831 type_name[exprs[0]->expression.vtype],
832 type_name[exprs[1]->expression.vtype]);
833 parseerror(parser, "TODO: logical ops for arbitrary types using INSTR_NOT");
834 parseerror(parser, "TODO: optional early out");
838 if (opts_standard == COMPILER_GMQCC)
839 con_out("TODO: early out logic\n");
840 if (CanConstFold(exprs[0], exprs[1]))
841 out = (ast_expression*)parser_const_float(parser,
842 (generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
844 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
848 if (exprs[1]->expression.vtype != exprs[2]->expression.vtype) {
849 ast_type_to_string(exprs[1], ty1, sizeof(ty1));
850 ast_type_to_string(exprs[2], ty2, sizeof(ty2));
851 parseerror(parser, "operands of ternary expression must have the same type, got %s and %s", ty1, ty2);
854 if (CanConstFold1(exprs[0]))
855 out = (ConstF(0) ? exprs[1] : exprs[2]);
857 out = (ast_expression*)ast_ternary_new(ctx, exprs[0], exprs[1], exprs[2]);
861 generated_op += 1; /* INSTR_GT */
863 generated_op += 1; /* INSTR_LT */
864 case opid2('>', '='):
865 generated_op += 1; /* INSTR_GE */
866 case opid2('<', '='):
867 generated_op += INSTR_LE;
868 if (NotSameType(TYPE_FLOAT)) {
869 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
870 type_name[exprs[0]->expression.vtype],
871 type_name[exprs[1]->expression.vtype]);
874 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
876 case opid2('!', '='):
877 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
878 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
879 type_name[exprs[0]->expression.vtype],
880 type_name[exprs[1]->expression.vtype]);
883 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
885 case opid2('=', '='):
886 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
887 parseerror(parser, "invalid types used in expression: cannot perform comparison between types %s and %s",
888 type_name[exprs[0]->expression.vtype],
889 type_name[exprs[1]->expression.vtype]);
892 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
896 if (ast_istype(exprs[0], ast_entfield)) {
897 ast_expression *field = ((ast_entfield*)exprs[0])->field;
898 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
899 exprs[0]->expression.vtype == TYPE_FIELD &&
900 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
902 assignop = type_storep_instr[TYPE_VECTOR];
905 assignop = type_storep_instr[exprs[0]->expression.vtype];
906 if (!ast_compare_type(field->expression.next, exprs[1])) {
907 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
908 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
909 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
910 field->expression.next->expression.vtype == TYPE_FUNCTION &&
911 exprs[1]->expression.vtype == TYPE_FUNCTION)
913 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
914 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
920 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
925 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
926 exprs[0]->expression.vtype == TYPE_FIELD &&
927 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
929 assignop = type_store_instr[TYPE_VECTOR];
932 assignop = type_store_instr[exprs[0]->expression.vtype];
935 if (assignop == AINSTR_END) {
936 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
937 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
938 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
940 else if (!ast_compare_type(exprs[0], exprs[1])) {
941 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
942 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
943 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
944 exprs[0]->expression.vtype == TYPE_FUNCTION &&
945 exprs[1]->expression.vtype == TYPE_FUNCTION)
947 if (parsewarning(parser, WARN_ASSIGN_FUNCTION_TYPES,
948 "invalid types in assignment: cannot assign %s to %s", ty2, ty1))
954 parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
957 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
958 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
960 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
962 case opid3('+','+','P'):
963 case opid3('-','-','P'):
965 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
966 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
967 parseerror(parser, "invalid type for prefix increment: %s", ty1);
970 if (op->id == opid3('+','+','P'))
974 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
975 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
977 if (ast_istype(exprs[0], ast_entfield)) {
978 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
980 (ast_expression*)parser_const_float_1(parser));
982 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
984 (ast_expression*)parser_const_float_1(parser));
987 case opid3('S','+','+'):
988 case opid3('S','-','-'):
990 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
991 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
992 parseerror(parser, "invalid type for suffix increment: %s", ty1);
995 if (op->id == opid3('S','+','+')) {
1000 subop = INSTR_ADD_F;
1002 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1003 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1005 if (ast_istype(exprs[0], ast_entfield)) {
1006 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
1008 (ast_expression*)parser_const_float_1(parser));
1010 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
1012 (ast_expression*)parser_const_float_1(parser));
1016 out = (ast_expression*)ast_binary_new(ctx, subop,
1018 (ast_expression*)parser_const_float_1(parser));
1020 case opid2('+','='):
1021 case opid2('-','='):
1022 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
1023 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
1025 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1026 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1027 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1031 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1032 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1034 if (ast_istype(exprs[0], ast_entfield))
1035 assignop = type_storep_instr[exprs[0]->expression.vtype];
1037 assignop = type_store_instr[exprs[0]->expression.vtype];
1038 switch (exprs[0]->expression.vtype) {
1040 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1041 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
1042 exprs[0], exprs[1]);
1045 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1046 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
1047 exprs[0], exprs[1]);
1050 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1051 type_name[exprs[0]->expression.vtype],
1052 type_name[exprs[1]->expression.vtype]);
1056 case opid2('*','='):
1057 case opid2('/','='):
1058 if (exprs[1]->expression.vtype != TYPE_FLOAT ||
1059 !(exprs[0]->expression.vtype == TYPE_FLOAT ||
1060 exprs[0]->expression.vtype == TYPE_VECTOR))
1062 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1063 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1064 parseerror(parser, "invalid types used in expression: %s and %s",
1068 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1069 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1071 if (ast_istype(exprs[0], ast_entfield))
1072 assignop = type_storep_instr[exprs[0]->expression.vtype];
1074 assignop = type_store_instr[exprs[0]->expression.vtype];
1075 switch (exprs[0]->expression.vtype) {
1077 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1078 (op->id == opid2('*','=') ? INSTR_MUL_F : INSTR_DIV_F),
1079 exprs[0], exprs[1]);
1082 if (op->id == opid2('*','=')) {
1083 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1084 exprs[0], exprs[1]);
1086 /* there's no DIV_VF */
1087 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
1088 (ast_expression*)parser_const_float_1(parser),
1092 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1097 parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
1098 type_name[exprs[0]->expression.vtype],
1099 type_name[exprs[1]->expression.vtype]);
1103 case opid2('&','='):
1104 case opid2('|','='):
1105 if (NotSameType(TYPE_FLOAT)) {
1106 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1107 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1108 parseerror(parser, "invalid types used in expression: %s and %s",
1112 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1113 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1115 if (ast_istype(exprs[0], ast_entfield))
1116 assignop = type_storep_instr[exprs[0]->expression.vtype];
1118 assignop = type_store_instr[exprs[0]->expression.vtype];
1119 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1120 (op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
1121 exprs[0], exprs[1]);
1123 case opid3('&','~','='):
1124 /* This is like: a &= ~(b);
1125 * But QC has no bitwise-not, so we implement it as
1128 if (NotSameType(TYPE_FLOAT)) {
1129 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1130 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1131 parseerror(parser, "invalid types used in expression: %s and %s",
1135 if (ast_istype(exprs[0], ast_entfield))
1136 assignop = type_storep_instr[exprs[0]->expression.vtype];
1138 assignop = type_store_instr[exprs[0]->expression.vtype];
1139 out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
1142 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1143 parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
1145 asbinstore = ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
1146 asbinstore->keep_dest = true;
1147 out = (ast_expression*)asbinstore;
1153 parseerror(parser, "failed to apply operand %s", op->op);
1157 DEBUGSHUNTDO(con_out("applied %s\n", op->op));
1158 vec_push(sy->out, syexp(ctx, out));
1162 static bool parser_close_call(parser_t *parser, shunt *sy)
1164 /* was a function call */
1165 ast_expression *fun;
1171 vec_shrinkby(sy->ops, 1);
1172 fid = sy->ops[vec_size(sy->ops)].off;
1174 /* out[fid] is the function
1175 * everything above is parameters...
1176 * 0 params = nothing
1177 * 1 params = ast_expression
1181 if (vec_size(sy->out) < 1 || vec_size(sy->out) <= fid) {
1182 parseerror(parser, "internal error: function call needs function and parameter list...");
1186 fun = sy->out[fid].out;
1188 call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
1190 parseerror(parser, "out of memory");
1194 if (fid+1 == vec_size(sy->out)) {
1197 } else if (fid+2 == vec_size(sy->out)) {
1199 vec_shrinkby(sy->out, 1);
1200 params = sy->out[vec_size(sy->out)].block;
1204 vec_push(call->params, sy->out[vec_size(sy->out)].out);
1206 paramcount = vec_size(params->exprs);
1207 call->params = params->exprs;
1208 params->exprs = NULL;
1211 if (!ast_call_check_types(call))
1214 parseerror(parser, "invalid function call");
1218 /* overwrite fid, the function, with a call */
1219 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
1221 if (fun->expression.vtype != TYPE_FUNCTION) {
1222 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
1226 if (!fun->expression.next) {
1227 parseerror(parser, "could not determine function return type");
1230 if (vec_size(fun->expression.params) != paramcount &&
1231 !(fun->expression.variadic &&
1232 vec_size(fun->expression.params) < paramcount))
1235 const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
1237 fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
1238 if (opts_standard == COMPILER_GMQCC)
1241 parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
1242 " -> `%s` has been declared here: %s:%i",
1243 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1244 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1246 parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
1247 " -> `%s` has been declared here: %s:%i",
1248 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1249 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1255 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1256 "too %s parameters for call to %s: expected %i, got %i\n"
1257 " -> `%s` has been declared here: %s:%i",
1258 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1259 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1261 return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
1262 "too %s parameters for function call: expected %i, got %i\n"
1263 " -> `%s` has been declared here: %s:%i",
1264 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1265 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1273 static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
1275 if (!vec_size(sy->ops)) {
1276 parseerror(parser, "unmatched closing paren");
1279 /* this would for bit a + (x) because there are no operators inside (x)
1280 if (sy->ops[vec_size(sy->ops)-1].paren == 1) {
1281 parseerror(parser, "empty parenthesis expression");
1285 while (vec_size(sy->ops)) {
1286 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_FUNC) {
1287 if (!parser_close_call(parser, sy))
1291 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_EXPR) {
1292 vec_shrinkby(sy->ops, 1);
1293 return !functions_only;
1295 if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_INDEX) {
1298 /* pop off the parenthesis */
1299 vec_shrinkby(sy->ops, 1);
1300 /* then apply the index operator */
1301 if (!parser_sy_pop(parser, sy))
1305 if (!parser_sy_pop(parser, sy))
1311 static void parser_reclassify_token(parser_t *parser)
1314 for (i = 0; i < operator_count; ++i) {
1315 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1316 parser->tok = TOKEN_OPERATOR;
1322 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma)
1324 ast_expression *expr = NULL;
1326 bool wantop = false;
1327 bool gotmemberof = false;
1329 /* count the parens because an if starts with one, so the
1330 * end of a condition is an unmatched closing paren
1338 parser->lex->flags.noops = false;
1340 parser_reclassify_token(parser);
1345 gotmemberof = false;
1347 parser->memberof = 0;
1349 if (OPTS_FLAG(TRANSLATABLE_STRINGS) &&
1350 parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "_"))
1352 /* a translatable string */
1356 parseerror(parser, "expected operator or end of statement, got constant");
1360 parser->lex->flags.noops = true;
1361 if (!parser_next(parser) || parser->tok != '(') {
1362 parseerror(parser, "use _(\"string\") to create a translatable string constant");
1365 parser->lex->flags.noops = false;
1366 if (!parser_next(parser) || parser->tok != TOKEN_STRINGCONST) {
1367 parseerror(parser, "expected a constant string in translatable-string extension");
1370 val = parser_const_string(parser, parser_tokval(parser), true);
1374 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1375 DEBUGSHUNTDO(con_out("push string\n"));
1377 if (!parser_next(parser) || parser->tok != ')') {
1378 parseerror(parser, "expected closing paren after translatable string");
1382 else if (parser->tok == TOKEN_IDENT)
1384 ast_expression *var;
1386 parseerror(parser, "expected operator or end of statement");
1391 if (opts_standard == COMPILER_GMQCC)
1393 if (parser->memberof == TYPE_ENTITY) {
1394 /* still get vars first since there could be a fieldpointer */
1395 var = parser_find_var(parser, parser_tokval(parser));
1397 var = parser_find_field(parser, parser_tokval(parser));
1399 else if (parser->memberof == TYPE_VECTOR)
1401 parseerror(parser, "TODO: implement effective vector member access");
1404 else if (parser->memberof) {
1405 parseerror(parser, "namespace for member not found");
1409 var = parser_find_var(parser, parser_tokval(parser));
1411 var = parser_find_var(parser, parser_tokval(parser));
1413 var = parser_find_field(parser, parser_tokval(parser));
1416 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1419 if (ast_istype(var, ast_value)) {
1420 ((ast_value*)var)->uses++;
1422 else if (ast_istype(var, ast_member)) {
1423 ast_member *mem = (ast_member*)var;
1424 if (ast_istype(mem->owner, ast_value))
1425 ((ast_value*)(mem->owner))->uses++;
1427 vec_push(sy.out, syexp(parser_ctx(parser), var));
1428 DEBUGSHUNTDO(con_out("push %s\n", parser_tokval(parser)));
1430 else if (parser->tok == TOKEN_FLOATCONST) {
1433 parseerror(parser, "expected operator or end of statement, got constant");
1437 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1440 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1441 DEBUGSHUNTDO(con_out("push %g\n", parser_token(parser)->constval.f));
1443 else if (parser->tok == TOKEN_INTCONST || parser->tok == TOKEN_CHARCONST) {
1446 parseerror(parser, "expected operator or end of statement, got constant");
1450 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1453 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1454 DEBUGSHUNTDO(con_out("push %i\n", parser_token(parser)->constval.i));
1456 else if (parser->tok == TOKEN_STRINGCONST) {
1459 parseerror(parser, "expected operator or end of statement, got constant");
1463 val = parser_const_string(parser, parser_tokval(parser), false);
1466 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1467 DEBUGSHUNTDO(con_out("push string\n"));
1469 else if (parser->tok == TOKEN_VECTORCONST) {
1472 parseerror(parser, "expected operator or end of statement, got constant");
1476 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1479 vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
1480 DEBUGSHUNTDO(con_out("push '%g %g %g'\n",
1481 parser_token(parser)->constval.v.x,
1482 parser_token(parser)->constval.v.y,
1483 parser_token(parser)->constval.v.z));
1485 else if (parser->tok == '(') {
1486 parseerror(parser, "internal error: '(' should be classified as operator");
1489 else if (parser->tok == '[') {
1490 parseerror(parser, "internal error: '[' should be classified as operator");
1493 else if (parser->tok == ')') {
1495 DEBUGSHUNTDO(con_out("do[op] )\n"));
1499 /* we do expect an operator next */
1500 /* closing an opening paren */
1501 if (!parser_close_paren(parser, &sy, false))
1504 DEBUGSHUNTDO(con_out("do[nop] )\n"));
1508 /* allowed for function calls */
1509 if (!parser_close_paren(parser, &sy, true))
1514 else if (parser->tok == ']') {
1516 parseerror(parser, "operand expected");
1520 if (!parser_close_paren(parser, &sy, false))
1524 else if (parser->tok != TOKEN_OPERATOR) {
1526 parseerror(parser, "expected operator or end of statement");
1533 /* classify the operator */
1534 const oper_info *op;
1535 const oper_info *olast = NULL;
1537 for (o = 0; o < operator_count; ++o) {
1538 if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
1539 /* !(operators[o].flags & OP_SUFFIX) && / * remove this */
1540 !strcmp(parser_tokval(parser), operators[o].op))
1545 if (o == operator_count) {
1546 /* no operator found... must be the end of the statement */
1549 /* found an operator */
1552 /* when declaring variables, a comma starts a new variable */
1553 if (op->id == opid1(',') && !parens && stopatcomma) {
1554 /* fixup the token */
1559 /* a colon without a pervious question mark cannot be a ternary */
1560 if (!ternaries && op->id == opid2(':','?')) {
1565 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1566 olast = &operators[vec_last(sy.ops).etype-1];
1569 (op->prec < olast->prec) ||
1570 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1572 if (!parser_sy_pop(parser, &sy))
1574 if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
1575 olast = &operators[vec_last(sy.ops).etype-1];
1580 if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
1581 /* for gmqcc standard: open up the namespace of the previous type */
1582 ast_expression *prevex = vec_last(sy.out).out;
1584 parseerror(parser, "unexpected member operator");
1587 if (prevex->expression.vtype == TYPE_ENTITY)
1588 parser->memberof = TYPE_ENTITY;
1589 else if (prevex->expression.vtype == TYPE_VECTOR)
1590 parser->memberof = TYPE_VECTOR;
1592 parseerror(parser, "type error: type has no members");
1598 if (op->id == opid1('(')) {
1600 size_t sycount = vec_size(sy.out);
1601 DEBUGSHUNTDO(con_out("push [op] (\n"));
1603 /* we expected an operator, this is the function-call operator */
1604 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_FUNC, sycount-1));
1607 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0));
1608 DEBUGSHUNTDO(con_out("push [nop] (\n"));
1611 } else if (op->id == opid1('[')) {
1613 parseerror(parser, "unexpected array subscript");
1617 /* push both the operator and the paren, this makes life easier */
1618 vec_push(sy.ops, syop(parser_ctx(parser), op));
1619 vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0));
1621 } else if (op->id == opid2('?',':')) {
1623 vec_push(sy.ops, syop(parser_ctx(parser), op));
1626 } else if (op->id == opid2(':','?')) {
1627 /* we don't push this operator */
1631 DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
1632 vec_push(sy.ops, syop(parser_ctx(parser), op));
1633 wantop = !!(op->flags & OP_SUFFIX);
1636 if (!parser_next(parser)) {
1639 if (parser->tok == ';' ||
1640 (!parens && parser->tok == ']'))
1646 while (vec_size(sy.ops)) {
1647 if (!parser_sy_pop(parser, &sy))
1651 parser->lex->flags.noops = true;
1652 if (!vec_size(sy.out)) {
1653 parseerror(parser, "empty expression");
1656 expr = sy.out[0].out;
1659 DEBUGSHUNTDO(con_out("shunt done\n"));
1663 parser->lex->flags.noops = true;
1669 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma)
1671 ast_expression *e = parse_expression_leave(parser, stopatcomma);
1674 if (!parser_next(parser)) {
1681 static void parser_enterblock(parser_t *parser)
1683 vec_push(parser->variables, util_htnew(PARSER_HT_SIZE));
1684 vec_push(parser->_blocklocals, vec_size(parser->_locals));
1685 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
1686 vec_push(parser->_blocktypedefs, vec_size(parser->_typedefs));
1687 vec_push(parser->_block_ctx, parser_ctx(parser));
1690 static bool parser_leaveblock(parser_t *parser)
1693 size_t locals, typedefs;
1695 if (vec_size(parser->variables) <= PARSER_HT_LOCALS) {
1696 parseerror(parser, "internal error: parser_leaveblock with no block");
1700 util_htdel(vec_last(parser->variables));
1701 vec_pop(parser->variables);
1702 if (!vec_size(parser->_blocklocals)) {
1703 parseerror(parser, "internal error: parser_leaveblock with no block (2)");
1707 locals = vec_last(parser->_blocklocals);
1708 vec_pop(parser->_blocklocals);
1709 while (vec_size(parser->_locals) != locals) {
1710 ast_expression *e = vec_last(parser->_locals);
1711 ast_value *v = (ast_value*)e;
1712 vec_pop(parser->_locals);
1713 if (ast_istype(e, ast_value) && !v->uses) {
1714 if (compile_warning(ast_ctx(v), WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name)) {
1721 typedefs = vec_last(parser->_blocktypedefs);
1722 while (vec_size(parser->_typedefs) != typedefs) {
1723 ast_delete(vec_last(parser->_typedefs));
1724 vec_pop(parser->_typedefs);
1726 util_htdel(vec_last(parser->typedefs));
1727 vec_pop(parser->typedefs);
1729 vec_pop(parser->_block_ctx);
1733 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e)
1735 vec_push(parser->_locals, e);
1736 util_htset(vec_last(parser->variables), name, (void*)e);
1739 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
1742 ast_expression *cond, *ontrue, *onfalse = NULL;
1745 lex_ctx ctx = parser_ctx(parser);
1747 (void)block; /* not touching */
1749 /* skip the 'if', parse an optional 'not' and check for an opening paren */
1750 if (!parser_next(parser)) {
1751 parseerror(parser, "expected condition or 'not'");
1754 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "not")) {
1756 if (!parser_next(parser)) {
1757 parseerror(parser, "expected condition in parenthesis");
1761 if (parser->tok != '(') {
1762 parseerror(parser, "expected 'if' condition in parenthesis");
1765 /* parse into the expression */
1766 if (!parser_next(parser)) {
1767 parseerror(parser, "expected 'if' condition after opening paren");
1770 /* parse the condition */
1771 cond = parse_expression_leave(parser, false);
1775 if (parser->tok != ')') {
1776 parseerror(parser, "expected closing paren after 'if' condition");
1780 /* parse into the 'then' branch */
1781 if (!parser_next(parser)) {
1782 parseerror(parser, "expected statement for on-true branch of 'if'");
1786 ontrue = parse_statement_or_block(parser);
1791 /* check for an else */
1792 if (!strcmp(parser_tokval(parser), "else")) {
1793 /* parse into the 'else' branch */
1794 if (!parser_next(parser)) {
1795 parseerror(parser, "expected on-false branch after 'else'");
1800 onfalse = parse_statement_or_block(parser);
1809 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
1811 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1812 *out = (ast_expression*)ifthen;
1816 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1819 ast_expression *cond, *ontrue;
1821 lex_ctx ctx = parser_ctx(parser);
1823 (void)block; /* not touching */
1825 /* skip the 'while' and check for opening paren */
1826 if (!parser_next(parser) || parser->tok != '(') {
1827 parseerror(parser, "expected 'while' condition in parenthesis");
1830 /* parse into the expression */
1831 if (!parser_next(parser)) {
1832 parseerror(parser, "expected 'while' condition after opening paren");
1835 /* parse the condition */
1836 cond = parse_expression_leave(parser, false);
1840 if (parser->tok != ')') {
1841 parseerror(parser, "expected closing paren after 'while' condition");
1845 /* parse into the 'then' branch */
1846 if (!parser_next(parser)) {
1847 parseerror(parser, "expected while-loop body");
1851 ontrue = parse_statement_or_block(parser);
1857 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1858 *out = (ast_expression*)aloop;
1862 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1865 ast_expression *cond, *ontrue;
1867 lex_ctx ctx = parser_ctx(parser);
1869 (void)block; /* not touching */
1871 /* skip the 'do' and get the body */
1872 if (!parser_next(parser)) {
1873 parseerror(parser, "expected loop body");
1876 ontrue = parse_statement_or_block(parser);
1880 /* expect the "while" */
1881 if (parser->tok != TOKEN_KEYWORD ||
1882 strcmp(parser_tokval(parser), "while"))
1884 parseerror(parser, "expected 'while' and condition");
1889 /* skip the 'while' and check for opening paren */
1890 if (!parser_next(parser) || parser->tok != '(') {
1891 parseerror(parser, "expected 'while' condition in parenthesis");
1895 /* parse into the expression */
1896 if (!parser_next(parser)) {
1897 parseerror(parser, "expected 'while' condition after opening paren");
1901 /* parse the condition */
1902 cond = parse_expression_leave(parser, false);
1906 if (parser->tok != ')') {
1907 parseerror(parser, "expected closing paren after 'while' condition");
1913 if (!parser_next(parser) || parser->tok != ';') {
1914 parseerror(parser, "expected semicolon after condition");
1920 if (!parser_next(parser)) {
1921 parseerror(parser, "parse error");
1927 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1928 *out = (ast_expression*)aloop;
1932 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1935 ast_expression *initexpr, *cond, *increment, *ontrue;
1939 lex_ctx ctx = parser_ctx(parser);
1941 parser_enterblock(parser);
1948 /* skip the 'while' and check for opening paren */
1949 if (!parser_next(parser) || parser->tok != '(') {
1950 parseerror(parser, "expected 'for' expressions in parenthesis");
1953 /* parse into the expression */
1954 if (!parser_next(parser)) {
1955 parseerror(parser, "expected 'for' initializer after opening paren");
1960 if (parser->tok == TOKEN_IDENT)
1961 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
1963 if (typevar || parser->tok == TOKEN_TYPENAME) {
1964 if (opts_standard != COMPILER_GMQCC) {
1965 if (parsewarning(parser, WARN_EXTENSIONS,
1966 "current standard does not allow variable declarations in for-loop initializers"))
1969 if (!parse_variable(parser, block, true, CV_VAR, typevar))
1972 else if (parser->tok != ';')
1974 initexpr = parse_expression_leave(parser, false);
1979 /* move on to condition */
1980 if (parser->tok != ';') {
1981 parseerror(parser, "expected semicolon after for-loop initializer");
1984 if (!parser_next(parser)) {
1985 parseerror(parser, "expected for-loop condition");
1989 /* parse the condition */
1990 if (parser->tok != ';') {
1991 cond = parse_expression_leave(parser, false);
1996 /* move on to incrementor */
1997 if (parser->tok != ';') {
1998 parseerror(parser, "expected semicolon after for-loop initializer");
2001 if (!parser_next(parser)) {
2002 parseerror(parser, "expected for-loop condition");
2006 /* parse the incrementor */
2007 if (parser->tok != ')') {
2008 increment = parse_expression_leave(parser, false);
2011 if (!ast_side_effects(increment)) {
2012 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2018 if (parser->tok != ')') {
2019 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
2022 /* parse into the 'then' branch */
2023 if (!parser_next(parser)) {
2024 parseerror(parser, "expected for-loop body");
2027 ontrue = parse_statement_or_block(parser);
2032 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
2033 *out = (ast_expression*)aloop;
2035 if (!parser_leaveblock(parser))
2039 if (initexpr) ast_delete(initexpr);
2040 if (cond) ast_delete(cond);
2041 if (increment) ast_delete(increment);
2042 (void)!parser_leaveblock(parser);
2046 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
2048 ast_expression *exp = NULL;
2049 ast_return *ret = NULL;
2050 ast_value *expected = parser->function->vtype;
2052 lex_ctx ctx = parser_ctx(parser);
2054 (void)block; /* not touching */
2056 if (!parser_next(parser)) {
2057 parseerror(parser, "expected return expression");
2061 if (parser->tok != ';') {
2062 exp = parse_expression(parser, false);
2066 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
2067 parseerror(parser, "return with invalid expression");
2070 ret = ast_return_new(exp->expression.node.context, exp);
2076 if (!parser_next(parser))
2077 parseerror(parser, "parse error");
2078 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2079 if (opts_standard != COMPILER_GMQCC)
2080 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2082 parseerror(parser, "return without value");
2084 ret = ast_return_new(ctx, NULL);
2086 *out = (ast_expression*)ret;
2090 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2092 lex_ctx ctx = parser_ctx(parser);
2094 (void)block; /* not touching */
2096 if (!parser_next(parser) || parser->tok != ';') {
2097 parseerror(parser, "expected semicolon");
2101 if (!parser_next(parser))
2102 parseerror(parser, "parse error");
2104 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
2108 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2110 ast_expression *operand;
2112 ast_switch *switchnode;
2113 ast_switch_case swcase;
2115 lex_ctx ctx = parser_ctx(parser);
2117 (void)block; /* not touching */
2120 /* parse over the opening paren */
2121 if (!parser_next(parser) || parser->tok != '(') {
2122 parseerror(parser, "expected switch operand in parenthesis");
2126 /* parse into the expression */
2127 if (!parser_next(parser)) {
2128 parseerror(parser, "expected switch operand");
2131 /* parse the operand */
2132 operand = parse_expression_leave(parser, false);
2136 switchnode = ast_switch_new(ctx, operand);
2139 if (parser->tok != ')') {
2140 ast_delete(switchnode);
2141 parseerror(parser, "expected closing paren after 'switch' operand");
2145 /* parse over the opening paren */
2146 if (!parser_next(parser) || parser->tok != '{') {
2147 ast_delete(switchnode);
2148 parseerror(parser, "expected list of cases");
2152 if (!parser_next(parser)) {
2153 ast_delete(switchnode);
2154 parseerror(parser, "expected 'case' or 'default'");
2159 while (parser->tok != '}') {
2160 ast_block *caseblock;
2162 if (parser->tok != TOKEN_KEYWORD) {
2163 ast_delete(switchnode);
2164 parseerror(parser, "expected 'case' or 'default'");
2167 if (!strcmp(parser_tokval(parser), "case")) {
2168 if (!parser_next(parser)) {
2169 ast_delete(switchnode);
2170 parseerror(parser, "expected expression for case");
2173 swcase.value = parse_expression_leave(parser, false);
2174 if (!swcase.value) {
2175 ast_delete(switchnode);
2176 parseerror(parser, "expected expression for case");
2179 if (!OPTS_FLAG(RELAXED_SWITCH)) {
2180 opval = (ast_value*)swcase.value;
2181 if (!ast_istype(swcase.value, ast_value)) { /* || opval->cvq != CV_CONST) { */
2182 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
2188 else if (!strcmp(parser_tokval(parser), "default")) {
2189 swcase.value = NULL;
2190 if (!parser_next(parser)) {
2191 ast_delete(switchnode);
2192 parseerror(parser, "expected colon");
2197 /* Now the colon and body */
2198 if (parser->tok != ':') {
2199 if (swcase.value) ast_unref(swcase.value);
2200 ast_delete(switchnode);
2201 parseerror(parser, "expected colon");
2205 if (!parser_next(parser)) {
2206 if (swcase.value) ast_unref(swcase.value);
2207 ast_delete(switchnode);
2208 parseerror(parser, "expected statements or case");
2211 caseblock = ast_block_new(parser_ctx(parser));
2213 if (swcase.value) ast_unref(swcase.value);
2214 ast_delete(switchnode);
2217 swcase.code = (ast_expression*)caseblock;
2218 vec_push(switchnode->cases, swcase);
2220 ast_expression *expr;
2221 if (parser->tok == '}')
2223 if (parser->tok == TOKEN_KEYWORD) {
2224 if (!strcmp(parser_tokval(parser), "case") ||
2225 !strcmp(parser_tokval(parser), "default"))
2230 if (!parse_statement(parser, caseblock, &expr, true)) {
2231 ast_delete(switchnode);
2236 ast_block_add_expr(caseblock, expr);
2241 if (parser->tok != '}') {
2242 ast_delete(switchnode);
2243 parseerror(parser, "expected closing paren of case list");
2246 if (!parser_next(parser)) {
2247 ast_delete(switchnode);
2248 parseerror(parser, "parse error after switch");
2251 *out = (ast_expression*)switchnode;
2255 static bool parse_goto(parser_t *parser, ast_expression **out)
2260 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2261 parseerror(parser, "expected label name after `goto`");
2265 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
2267 for (i = 0; i < vec_size(parser->labels); ++i) {
2268 if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
2269 ast_goto_set_label(gt, parser->labels[i]);
2273 if (i == vec_size(parser->labels))
2274 vec_push(parser->gotos, gt);
2276 if (!parser_next(parser) || parser->tok != ';') {
2277 parseerror(parser, "semicolon expected after goto label");
2280 if (!parser_next(parser)) {
2281 parseerror(parser, "parse error after goto");
2285 *out = (ast_expression*)gt;
2289 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
2292 ast_value *typevar = NULL;
2295 if (parser->tok == TOKEN_IDENT)
2296 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2298 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
2300 /* local variable */
2302 parseerror(parser, "cannot declare a variable from here");
2305 if (opts_standard == COMPILER_QCC) {
2306 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
2309 if (!parse_variable(parser, block, false, CV_NONE, typevar))
2314 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
2318 else if (parser->tok == TOKEN_KEYWORD)
2320 if (!strcmp(parser_tokval(parser), "local") ||
2321 !strcmp(parser_tokval(parser), "const") ||
2322 !strcmp(parser_tokval(parser), "var"))
2325 if (parser_tokval(parser)[0] == 'c')
2327 else if (parser_tokval(parser)[0] == 'v')
2333 parseerror(parser, "cannot declare a local variable here");
2336 if (!parser_next(parser)) {
2337 parseerror(parser, "expected variable declaration");
2340 if (!parse_variable(parser, block, true, cvq, NULL))
2345 else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
2350 if (!parser_next(parser)) {
2351 parseerror(parser, "parse error after __builtin_debug_printtype");
2355 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
2357 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
2358 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
2359 if (!parser_next(parser)) {
2360 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
2366 if (!parse_statement(parser, block, out, allow_cases))
2369 con_out("__builtin_debug_printtype: got no output node\n");
2372 ast_type_to_string(*out, ty, sizeof(ty));
2373 con_out("__builtin_debug_printtype: `%s`\n", ty);
2378 else if (!strcmp(parser_tokval(parser), "return"))
2380 return parse_return(parser, block, out);
2382 else if (!strcmp(parser_tokval(parser), "if"))
2384 return parse_if(parser, block, out);
2386 else if (!strcmp(parser_tokval(parser), "while"))
2388 return parse_while(parser, block, out);
2390 else if (!strcmp(parser_tokval(parser), "do"))
2392 return parse_dowhile(parser, block, out);
2394 else if (!strcmp(parser_tokval(parser), "for"))
2396 if (opts_standard == COMPILER_QCC) {
2397 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
2400 return parse_for(parser, block, out);
2402 else if (!strcmp(parser_tokval(parser), "break"))
2404 return parse_break_continue(parser, block, out, false);
2406 else if (!strcmp(parser_tokval(parser), "continue"))
2408 return parse_break_continue(parser, block, out, true);
2410 else if (!strcmp(parser_tokval(parser), "switch"))
2412 return parse_switch(parser, block, out);
2414 else if (!strcmp(parser_tokval(parser), "case") ||
2415 !strcmp(parser_tokval(parser), "default"))
2418 parseerror(parser, "unexpected 'case' label");
2423 else if (!strcmp(parser_tokval(parser), "goto"))
2425 return parse_goto(parser, out);
2427 else if (!strcmp(parser_tokval(parser), "typedef"))
2429 if (!parser_next(parser)) {
2430 parseerror(parser, "expected type definition after 'typedef'");
2433 return parse_typedef(parser);
2435 parseerror(parser, "Unexpected keyword");
2438 else if (parser->tok == '{')
2441 inner = parse_block(parser);
2444 *out = (ast_expression*)inner;
2447 else if (parser->tok == ':')
2451 if (!parser_next(parser)) {
2452 parseerror(parser, "expected label name");
2455 if (parser->tok != TOKEN_IDENT) {
2456 parseerror(parser, "label must be an identifier");
2459 label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
2462 vec_push(parser->labels, label);
2463 *out = (ast_expression*)label;
2464 if (!parser_next(parser)) {
2465 parseerror(parser, "parse error after label");
2468 for (i = 0; i < vec_size(parser->gotos); ++i) {
2469 if (!strcmp(parser->gotos[i]->name, label->name)) {
2470 ast_goto_set_label(parser->gotos[i], label);
2471 vec_remove(parser->gotos, i, 1);
2477 else if (parser->tok == ';')
2479 if (!parser_next(parser)) {
2480 parseerror(parser, "parse error after empty statement");
2487 ast_expression *exp = parse_expression(parser, false);
2491 if (!ast_side_effects(exp)) {
2492 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2499 static bool parse_block_into(parser_t *parser, ast_block *block)
2503 parser_enterblock(parser);
2505 if (!parser_next(parser)) { /* skip the '{' */
2506 parseerror(parser, "expected function body");
2510 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2512 ast_expression *expr = NULL;
2513 if (parser->tok == '}')
2516 if (!parse_statement(parser, block, &expr, false)) {
2517 /* parseerror(parser, "parse error"); */
2523 ast_block_add_expr(block, expr);
2526 if (parser->tok != '}') {
2529 (void)parser_next(parser);
2533 if (!parser_leaveblock(parser))
2535 return retval && !!block;
2538 static ast_block* parse_block(parser_t *parser)
2541 block = ast_block_new(parser_ctx(parser));
2544 if (!parse_block_into(parser, block)) {
2545 ast_block_delete(block);
2551 static ast_expression* parse_statement_or_block(parser_t *parser)
2553 ast_expression *expr = NULL;
2554 if (parser->tok == '{')
2555 return (ast_expression*)parse_block(parser);
2556 if (!parse_statement(parser, NULL, &expr, false))
2561 static bool create_vector_members(ast_value *var, ast_member **me)
2564 size_t len = strlen(var->name);
2566 for (i = 0; i < 3; ++i) {
2567 char *name = mem_a(len+3);
2568 memcpy(name, var->name, len);
2570 name[len+1] = 'x'+i;
2572 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
2581 do { ast_member_delete(me[--i]); } while(i);
2585 static bool parse_function_body(parser_t *parser, ast_value *var)
2587 ast_block *block = NULL;
2592 ast_expression *framenum = NULL;
2593 ast_expression *nextthink = NULL;
2594 /* None of the following have to be deleted */
2595 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
2596 ast_expression *gbl_time = NULL, *gbl_self = NULL;
2597 bool has_frame_think;
2601 has_frame_think = false;
2602 old = parser->function;
2604 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
2605 parseerror(parser, "gotos/labels leaking");
2609 if (var->expression.variadic) {
2610 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2611 "variadic function with implementation will not be able to access additional parameters"))
2617 if (parser->tok == '[') {
2618 /* got a frame definition: [ framenum, nextthink ]
2619 * this translates to:
2620 * self.frame = framenum;
2621 * self.nextthink = time + 0.1;
2622 * self.think = nextthink;
2626 fld_think = parser_find_field(parser, "think");
2627 fld_nextthink = parser_find_field(parser, "nextthink");
2628 fld_frame = parser_find_field(parser, "frame");
2629 if (!fld_think || !fld_nextthink || !fld_frame) {
2630 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2631 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2634 gbl_time = parser_find_global(parser, "time");
2635 gbl_self = parser_find_global(parser, "self");
2636 if (!gbl_time || !gbl_self) {
2637 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2638 parseerror(parser, "please declare the following globals: `time`, `self`");
2642 if (!parser_next(parser))
2645 framenum = parse_expression_leave(parser, true);
2647 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2650 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
2651 ast_unref(framenum);
2652 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2656 if (parser->tok != ',') {
2657 ast_unref(framenum);
2658 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2659 parseerror(parser, "Got a %i\n", parser->tok);
2663 if (!parser_next(parser)) {
2664 ast_unref(framenum);
2668 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2670 /* qc allows the use of not-yet-declared functions here
2671 * - this automatically creates a prototype */
2672 ast_value *thinkfunc;
2673 ast_expression *functype = fld_think->expression.next;
2675 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2676 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2677 ast_unref(framenum);
2678 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2682 if (!parser_next(parser)) {
2683 ast_unref(framenum);
2684 ast_delete(thinkfunc);
2688 vec_push(parser->globals, (ast_expression*)thinkfunc);
2689 util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
2690 nextthink = (ast_expression*)thinkfunc;
2693 nextthink = parse_expression_leave(parser, true);
2695 ast_unref(framenum);
2696 parseerror(parser, "expected a think-function in [frame,think] notation");
2701 if (!ast_istype(nextthink, ast_value)) {
2702 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2706 if (retval && parser->tok != ']') {
2707 parseerror(parser, "expected closing `]` for [frame,think] notation");
2711 if (retval && !parser_next(parser)) {
2715 if (retval && parser->tok != '{') {
2716 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2721 ast_unref(nextthink);
2722 ast_unref(framenum);
2726 has_frame_think = true;
2729 block = ast_block_new(parser_ctx(parser));
2731 parseerror(parser, "failed to allocate block");
2732 if (has_frame_think) {
2733 ast_unref(nextthink);
2734 ast_unref(framenum);
2739 if (has_frame_think) {
2741 ast_expression *self_frame;
2742 ast_expression *self_nextthink;
2743 ast_expression *self_think;
2744 ast_expression *time_plus_1;
2745 ast_store *store_frame;
2746 ast_store *store_nextthink;
2747 ast_store *store_think;
2749 ctx = parser_ctx(parser);
2750 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2751 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2752 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2754 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2755 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2757 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2758 if (self_frame) ast_delete(self_frame);
2759 if (self_nextthink) ast_delete(self_nextthink);
2760 if (self_think) ast_delete(self_think);
2761 if (time_plus_1) ast_delete(time_plus_1);
2767 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2768 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2769 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2772 ast_delete(self_frame);
2775 if (!store_nextthink) {
2776 ast_delete(self_nextthink);
2780 ast_delete(self_think);
2784 if (store_frame) ast_delete(store_frame);
2785 if (store_nextthink) ast_delete(store_nextthink);
2786 if (store_think) ast_delete(store_think);
2789 ast_block_add_expr(block, (ast_expression*)store_frame);
2790 ast_block_add_expr(block, (ast_expression*)store_nextthink);
2791 ast_block_add_expr(block, (ast_expression*)store_think);
2795 parseerror(parser, "failed to generate code for [frame,think]");
2796 ast_unref(nextthink);
2797 ast_unref(framenum);
2803 parser_enterblock(parser);
2805 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2807 ast_value *param = var->expression.params[parami];
2810 if (param->expression.vtype != TYPE_VECTOR &&
2811 (param->expression.vtype != TYPE_FIELD ||
2812 param->expression.next->expression.vtype != TYPE_VECTOR))
2817 if (!create_vector_members(param, me)) {
2818 ast_block_delete(block);
2822 for (e = 0; e < 3; ++e) {
2823 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
2824 ast_block_collect(block, (ast_expression*)me[e]);
2828 func = ast_function_new(ast_ctx(var), var->name, var);
2830 parseerror(parser, "failed to allocate function for `%s`", var->name);
2831 ast_block_delete(block);
2834 vec_push(parser->functions, func);
2836 parser->function = func;
2837 if (!parse_block_into(parser, block)) {
2838 ast_block_delete(block);
2842 vec_push(func->blocks, block);
2844 parser->function = old;
2845 if (!parser_leaveblock(parser))
2847 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
2848 parseerror(parser, "internal error: local scopes left");
2852 if (parser->tok == ';')
2853 return parser_next(parser);
2854 else if (opts_standard == COMPILER_QCC)
2855 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2859 vec_pop(parser->functions);
2860 ast_function_delete(func);
2861 var->constval.vfunc = NULL;
2864 (void)!parser_leaveblock(parser);
2865 parser->function = old;
2869 static ast_expression *array_accessor_split(
2874 ast_expression *left,
2875 ast_expression *right
2881 lex_ctx ctx = ast_ctx(array);
2883 if (!left || !right) {
2884 if (left) ast_delete(left);
2885 if (right) ast_delete(right);
2889 cmp = ast_binary_new(ctx, INSTR_LT,
2890 (ast_expression*)index,
2891 (ast_expression*)parser_const_float(parser, middle));
2895 parseerror(parser, "internal error: failed to create comparison for array setter");
2899 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2901 ast_delete(cmp); /* will delete left and right */
2902 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2906 return (ast_expression*)ifthen;
2909 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2911 lex_ctx ctx = ast_ctx(array);
2913 if (from+1 == afterend) {
2914 /* set this value */
2917 ast_array_index *subscript;
2919 int assignop = type_store_instr[value->expression.vtype];
2921 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2922 assignop = INSTR_STORE_V;
2924 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2928 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2930 ast_delete(subscript);
2934 block = ast_block_new(ctx);
2940 ast_block_add_expr(block, (ast_expression*)st);
2942 ret = ast_return_new(ctx, NULL);
2948 ast_block_add_expr(block, (ast_expression*)ret);
2950 return (ast_expression*)block;
2952 ast_expression *left, *right;
2953 size_t diff = afterend - from;
2954 size_t middle = from + diff/2;
2955 left = array_setter_node(parser, array, index, value, from, middle);
2956 right = array_setter_node(parser, array, index, value, middle, afterend);
2957 return array_accessor_split(parser, array, index, middle, left, right);
2961 static ast_expression *array_field_setter_node(
2970 lex_ctx ctx = ast_ctx(array);
2972 if (from+1 == afterend) {
2973 /* set this value */
2976 ast_entfield *entfield;
2977 ast_array_index *subscript;
2979 int assignop = type_storep_instr[value->expression.vtype];
2981 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2982 assignop = INSTR_STOREP_V;
2984 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2988 entfield = ast_entfield_new_force(ctx,
2989 (ast_expression*)entity,
2990 (ast_expression*)subscript,
2991 (ast_expression*)subscript);
2993 ast_delete(subscript);
2997 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2999 ast_delete(entfield);
3003 block = ast_block_new(ctx);
3009 ast_block_add_expr(block, (ast_expression*)st);
3011 ret = ast_return_new(ctx, NULL);
3017 ast_block_add_expr(block, (ast_expression*)ret);
3019 return (ast_expression*)block;
3021 ast_expression *left, *right;
3022 size_t diff = afterend - from;
3023 size_t middle = from + diff/2;
3024 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
3025 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
3026 return array_accessor_split(parser, array, index, middle, left, right);
3030 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
3032 lex_ctx ctx = ast_ctx(array);
3034 if (from+1 == afterend) {
3036 ast_array_index *subscript;
3038 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
3042 ret = ast_return_new(ctx, (ast_expression*)subscript);
3044 ast_delete(subscript);
3048 return (ast_expression*)ret;
3050 ast_expression *left, *right;
3051 size_t diff = afterend - from;
3052 size_t middle = from + diff/2;
3053 left = array_getter_node(parser, array, index, from, middle);
3054 right = array_getter_node(parser, array, index, middle, afterend);
3055 return array_accessor_split(parser, array, index, middle, left, right);
3059 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
3061 ast_function *func = NULL;
3062 ast_value *fval = NULL;
3063 ast_block *body = NULL;
3065 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
3067 parseerror(parser, "failed to create accessor function value");
3071 func = ast_function_new(ast_ctx(array), funcname, fval);
3074 parseerror(parser, "failed to create accessor function node");
3078 body = ast_block_new(ast_ctx(array));
3080 parseerror(parser, "failed to create block for array accessor");
3086 vec_push(func->blocks, body);
3089 vec_push(parser->accessors, fval);
3094 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
3096 ast_expression *root = NULL;
3097 ast_value *index = NULL;
3098 ast_value *value = NULL;
3102 if (!ast_istype(array->expression.next, ast_value)) {
3103 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3107 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3109 func = fval->constval.vfunc;
3110 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3112 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3113 value = ast_value_copy((ast_value*)array->expression.next);
3115 if (!index || !value) {
3116 parseerror(parser, "failed to create locals for array accessor");
3119 (void)!ast_value_set_name(value, "value"); /* not important */
3120 vec_push(fval->expression.params, index);
3121 vec_push(fval->expression.params, value);
3123 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
3125 parseerror(parser, "failed to build accessor search tree");
3129 ast_block_add_expr(func->blocks[0], root);
3130 array->setter = fval;
3133 if (index) ast_delete(index);
3134 if (value) ast_delete(value);
3135 if (root) ast_delete(root);
3141 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
3143 ast_expression *root = NULL;
3144 ast_value *entity = NULL;
3145 ast_value *index = NULL;
3146 ast_value *value = NULL;
3150 if (!ast_istype(array->expression.next, ast_value)) {
3151 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3155 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3157 func = fval->constval.vfunc;
3158 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3160 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
3161 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3162 value = ast_value_copy((ast_value*)array->expression.next);
3163 if (!entity || !index || !value) {
3164 parseerror(parser, "failed to create locals for array accessor");
3167 (void)!ast_value_set_name(value, "value"); /* not important */
3168 vec_push(fval->expression.params, entity);
3169 vec_push(fval->expression.params, index);
3170 vec_push(fval->expression.params, value);
3172 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
3174 parseerror(parser, "failed to build accessor search tree");
3178 ast_block_add_expr(func->blocks[0], root);
3179 array->setter = fval;
3182 if (entity) ast_delete(entity);
3183 if (index) ast_delete(index);
3184 if (value) ast_delete(value);
3185 if (root) ast_delete(root);
3191 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
3193 ast_expression *root = NULL;
3194 ast_value *index = NULL;
3198 /* NOTE: checking array->expression.next rather than elemtype since
3199 * for fields elemtype is a temporary fieldtype.
3201 if (!ast_istype(array->expression.next, ast_value)) {
3202 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3206 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3208 func = fval->constval.vfunc;
3209 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
3211 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3214 parseerror(parser, "failed to create locals for array accessor");
3217 vec_push(fval->expression.params, index);
3219 root = array_getter_node(parser, array, index, 0, array->expression.count);
3221 parseerror(parser, "failed to build accessor search tree");
3225 ast_block_add_expr(func->blocks[0], root);
3226 array->getter = fval;
3229 if (index) ast_delete(index);
3230 if (root) ast_delete(root);
3236 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
3237 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
3245 bool variadic = false;
3247 ctx = parser_ctx(parser);
3249 /* for the sake of less code we parse-in in this function */
3250 if (!parser_next(parser)) {
3251 parseerror(parser, "expected parameter list");
3257 /* parse variables until we hit a closing paren */
3258 while (parser->tok != ')') {
3260 /* there must be commas between them */
3261 if (parser->tok != ',') {
3262 parseerror(parser, "expected comma or end of parameter list");
3265 if (!parser_next(parser)) {
3266 parseerror(parser, "expected parameter");
3272 if (parser->tok == TOKEN_DOTS) {
3273 /* '...' indicates a varargs function */
3275 if (!parser_next(parser)) {
3276 parseerror(parser, "expected parameter");
3279 if (parser->tok != ')') {
3280 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
3286 /* for anything else just parse a typename */
3287 param = parse_typename(parser, NULL, NULL);
3290 vec_push(params, param);
3291 if (param->expression.vtype >= TYPE_VARIANT) {
3292 char typename[1024];
3293 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
3294 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
3300 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
3304 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
3305 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
3308 if (!parser_next(parser)) {
3309 parseerror(parser, "parse error after typename");
3313 /* now turn 'var' into a function type */
3314 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
3315 fval->expression.next = (ast_expression*)var;
3316 fval->expression.variadic = variadic;
3319 var->expression.params = params;
3326 for (i = 0; i < vec_size(params); ++i)
3327 ast_delete(params[i]);
3332 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
3334 ast_expression *cexp;
3335 ast_value *cval, *tmp;
3338 ctx = parser_ctx(parser);
3340 if (!parser_next(parser)) {
3342 parseerror(parser, "expected array-size");
3346 cexp = parse_expression_leave(parser, true);
3348 if (!cexp || !ast_istype(cexp, ast_value)) {
3352 parseerror(parser, "expected array-size as constant positive integer");
3355 cval = (ast_value*)cexp;
3357 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
3358 tmp->expression.next = (ast_expression*)var;
3361 if (cval->expression.vtype == TYPE_INTEGER)
3362 tmp->expression.count = cval->constval.vint;
3363 else if (cval->expression.vtype == TYPE_FLOAT)
3364 tmp->expression.count = cval->constval.vfloat;
3368 parseerror(parser, "array-size must be a positive integer constant");
3373 if (parser->tok != ']') {
3375 parseerror(parser, "expected ']' after array-size");
3378 if (!parser_next(parser)) {
3380 parseerror(parser, "error after parsing array size");
3386 /* Parse a complete typename.
3387 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
3388 * but when parsing variables separated by comma
3389 * 'storebase' should point to where the base-type should be kept.
3390 * The base type makes up every bit of type information which comes *before* the
3393 * The following will be parsed in its entirety:
3395 * The 'basetype' in this case is 'void()'
3396 * and if there's a comma after it, say:
3398 * then the type-information 'void()' can be stored in 'storebase'
3400 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
3402 ast_value *var, *tmp;
3405 const char *name = NULL;
3406 bool isfield = false;
3407 bool wasarray = false;
3408 size_t morefields = 0;
3410 ctx = parser_ctx(parser);
3412 /* types may start with a dot */
3413 if (parser->tok == '.') {
3415 /* if we parsed a dot we need a typename now */
3416 if (!parser_next(parser)) {
3417 parseerror(parser, "expected typename for field definition");
3421 /* Further dots are handled seperately because they won't be part of the
3424 while (parser->tok == '.') {
3426 if (!parser_next(parser)) {
3427 parseerror(parser, "expected typename for field definition");
3432 if (parser->tok == TOKEN_IDENT)
3433 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
3434 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
3435 parseerror(parser, "expected typename");
3439 /* generate the basic type value */
3440 if (cached_typedef) {
3441 var = ast_value_copy(cached_typedef);
3442 ast_value_set_name(var, "<type(from_def)>");
3444 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
3446 for (; morefields; --morefields) {
3447 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
3448 tmp->expression.next = (ast_expression*)var;
3452 /* do not yet turn into a field - remember:
3453 * .void() foo; is a field too
3454 * .void()() foo; is a function
3458 if (!parser_next(parser)) {
3460 parseerror(parser, "parse error after typename");
3464 /* an opening paren now starts the parameter-list of a function
3465 * this is where original-QC has parameter lists.
3466 * We allow a single parameter list here.
3467 * Much like fteqcc we don't allow `float()() x`
3469 if (parser->tok == '(') {
3470 var = parse_parameter_list(parser, var);
3475 /* store the base if requested */
3477 *storebase = ast_value_copy(var);
3479 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3480 tmp->expression.next = (ast_expression*)*storebase;
3485 /* there may be a name now */
3486 if (parser->tok == TOKEN_IDENT) {
3487 name = util_strdup(parser_tokval(parser));
3489 if (!parser_next(parser)) {
3491 parseerror(parser, "error after variable or field declaration");
3496 /* now this may be an array */
3497 if (parser->tok == '[') {
3499 var = parse_arraysize(parser, var);
3504 /* This is the point where we can turn it into a field */
3506 /* turn it into a field if desired */
3507 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3508 tmp->expression.next = (ast_expression*)var;
3512 /* now there may be function parens again */
3513 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
3514 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3515 if (parser->tok == '(' && wasarray)
3516 parseerror(parser, "arrays as part of a return type is not supported");
3517 while (parser->tok == '(') {
3518 var = parse_parameter_list(parser, var);
3527 /* finally name it */
3529 if (!ast_value_set_name(var, name)) {
3531 parseerror(parser, "internal error: failed to set name");
3534 /* free the name, ast_value_set_name duplicates */
3541 static bool parse_typedef(parser_t *parser)
3543 ast_value *typevar, *oldtype;
3544 ast_expression *old;
3546 typevar = parse_typename(parser, NULL, NULL);
3551 if ( (old = parser_find_var(parser, typevar->name)) ) {
3552 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
3553 " -> `%s` has been declared here: %s:%i",
3554 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
3555 ast_delete(typevar);
3559 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
3560 parseerror(parser, "type `%s` has already been declared here: %s:%i",
3561 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
3562 ast_delete(typevar);
3566 vec_push(parser->_typedefs, typevar);
3567 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
3569 if (parser->tok != ';') {
3570 parseerror(parser, "expected semicolon after typedef");
3573 if (!parser_next(parser)) {
3574 parseerror(parser, "parse error after typedef");
3581 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef)
3585 ast_expression *old;
3589 ast_value *basetype = NULL;
3591 bool isparam = false;
3592 bool isvector = false;
3593 bool cleanvar = true;
3594 bool wasarray = false;
3598 /* get the first complete variable */
3599 var = parse_typename(parser, &basetype, cached_typedef);
3602 ast_delete(basetype);
3610 /* Part 0: finish the type */
3611 if (parser->tok == '(') {
3612 if (opts_standard == COMPILER_QCC)
3613 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3614 var = parse_parameter_list(parser, var);
3620 /* we only allow 1-dimensional arrays */
3621 if (parser->tok == '[') {
3623 var = parse_arraysize(parser, var);
3629 if (parser->tok == '(' && wasarray) {
3630 parseerror(parser, "arrays as part of a return type is not supported");
3631 /* we'll still parse the type completely for now */
3633 /* for functions returning functions */
3634 while (parser->tok == '(') {
3635 if (opts_standard == COMPILER_QCC)
3636 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3637 var = parse_parameter_list(parser, var);
3644 var->cvq = qualifier;
3647 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3648 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3649 * is then filled with the previous definition and the parameter-names replaced.
3652 /* Deal with end_sys_ vars */
3654 if (!strcmp(var->name, "end_sys_globals")) {
3655 parser->crc_globals = vec_size(parser->globals);
3658 else if (!strcmp(var->name, "end_sys_fields")) {
3659 parser->crc_fields = vec_size(parser->fields);
3662 if (was_end && var->expression.vtype == TYPE_FIELD) {
3663 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3664 "global '%s' hint should not be a field",
3665 parser_tokval(parser)))
3672 if (!nofields && var->expression.vtype == TYPE_FIELD)
3674 /* deal with field declarations */
3675 old = parser_find_field(parser, var->name);
3677 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3678 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3687 parseerror(parser, "field `%s` already declared here: %s:%i",
3688 var->name, ast_ctx(old).file, ast_ctx(old).line);
3693 if (opts_standard == COMPILER_QCC &&
3694 (old = parser_find_global(parser, var->name)))
3696 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3697 parseerror(parser, "field `%s` already declared here: %s:%i",
3698 var->name, ast_ctx(old).file, ast_ctx(old).line);
3705 /* deal with other globals */
3706 old = parser_find_global(parser, var->name);
3707 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3709 /* This is a function which had a prototype */
3710 if (!ast_istype(old, ast_value)) {
3711 parseerror(parser, "internal error: prototype is not an ast_value");
3715 proto = (ast_value*)old;
3716 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3717 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3719 ast_ctx(proto).file, ast_ctx(proto).line);
3723 /* we need the new parameter-names */
3724 for (i = 0; i < vec_size(proto->expression.params); ++i)
3725 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3733 if (opts_standard == COMPILER_GMQCC) {
3734 parseerror(parser, "global `%s` already declared here: %s:%i",
3735 var->name, ast_ctx(old).file, ast_ctx(old).line);
3739 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
3740 "global `%s` already declared here: %s:%i",
3741 var->name, ast_ctx(old).file, ast_ctx(old).line))
3746 proto = (ast_value*)old;
3747 if (!ast_istype(old, ast_value)) {
3748 parseerror(parser, "internal error: not an ast_value");
3757 if (opts_standard == COMPILER_QCC &&
3758 (old = parser_find_field(parser, var->name)))
3760 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3761 parseerror(parser, "global `%s` already declared here: %s:%i",
3762 var->name, ast_ctx(old).file, ast_ctx(old).line);
3769 else /* it's not a global */
3771 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
3772 if (old && !isparam) {
3773 parseerror(parser, "local `%s` already declared here: %s:%i",
3774 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3778 old = parser_find_local(parser, var->name, 0, &isparam);
3779 if (old && isparam) {
3780 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3781 "local `%s` is shadowing a parameter", var->name))
3783 parseerror(parser, "local `%s` already declared here: %s:%i",
3784 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3788 if (opts_standard != COMPILER_GMQCC) {
3797 * Create the global/local, and deal with vector types.
3800 if (var->expression.vtype == TYPE_VECTOR)
3802 else if (var->expression.vtype == TYPE_FIELD &&
3803 var->expression.next->expression.vtype == TYPE_VECTOR)
3807 if (!create_vector_members(var, me)) {
3814 /* deal with global variables, fields, functions */
3815 if (!nofields && var->expression.vtype == TYPE_FIELD && parser->tok != '=') {
3816 var->isfield = true;
3817 vec_push(parser->fields, (ast_expression*)var);
3818 util_htset(parser->htfields, var->name, var);
3820 for (i = 0; i < 3; ++i) {
3821 vec_push(parser->fields, (ast_expression*)me[i]);
3822 util_htset(parser->htfields, me[i]->name, me[i]);
3827 vec_push(parser->globals, (ast_expression*)var);
3828 util_htset(parser->htglobals, var->name, var);
3830 for (i = 0; i < 3; ++i) {
3831 vec_push(parser->globals, (ast_expression*)me[i]);
3832 util_htset(parser->htglobals, me[i]->name, me[i]);
3837 vec_push(localblock->locals, var);
3838 parser_addlocal(parser, var->name, (ast_expression*)var);
3840 for (i = 0; i < 3; ++i) {
3841 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
3842 ast_block_collect(localblock, (ast_expression*)me[i]);
3848 me[0] = me[1] = me[2] = NULL;
3853 if (var->expression.vtype == TYPE_ARRAY) {
3855 snprintf(name, sizeof(name), "%s##SET", var->name);
3856 if (!parser_create_array_setter(parser, var, name))
3858 snprintf(name, sizeof(name), "%s##GET", var->name);
3859 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3862 else if (!localblock && !nofields &&
3863 var->expression.vtype == TYPE_FIELD &&
3864 var->expression.next->expression.vtype == TYPE_ARRAY)
3867 ast_expression *telem;
3869 ast_value *array = (ast_value*)var->expression.next;
3871 if (!ast_istype(var->expression.next, ast_value)) {
3872 parseerror(parser, "internal error: field element type must be an ast_value");
3876 snprintf(name, sizeof(name), "%s##SETF", var->name);
3877 if (!parser_create_array_field_setter(parser, array, name))
3880 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3881 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3882 tfield->expression.next = telem;
3883 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3884 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3892 if (parser->tok == ';') {
3893 ast_delete(basetype);
3894 if (!parser_next(parser)) {
3895 parseerror(parser, "error after variable declaration");
3901 if (parser->tok == ',')
3905 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3908 parseerror(parser, "missing comma or semicolon while parsing variables");
3912 if (localblock && opts_standard == COMPILER_QCC) {
3913 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3914 "initializing expression turns variable `%s` into a constant in this standard",
3921 if (parser->tok != '{') {
3922 if (parser->tok != '=') {
3923 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
3927 if (!parser_next(parser)) {
3928 parseerror(parser, "error parsing initializer");
3932 else if (opts_standard == COMPILER_QCC) {
3933 parseerror(parser, "expected '=' before function body in this standard");
3936 if (parser->tok == '#') {
3937 ast_function *func = NULL;
3940 parseerror(parser, "cannot declare builtins within functions");
3943 if (var->expression.vtype != TYPE_FUNCTION) {
3944 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3947 if (!parser_next(parser)) {
3948 parseerror(parser, "expected builtin number");
3951 if (parser->tok != TOKEN_INTCONST) {
3952 parseerror(parser, "builtin number must be an integer constant");
3955 if (parser_token(parser)->constval.i < 0) {
3956 parseerror(parser, "builtin number must be an integer greater than zero");
3960 if (var->hasvalue) {
3961 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
3962 "builtin `%s` has already been defined\n"
3963 " -> previous declaration here: %s:%i",
3964 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
3968 func = ast_function_new(ast_ctx(var), var->name, var);
3970 parseerror(parser, "failed to allocate function for `%s`", var->name);
3973 vec_push(parser->functions, func);
3975 func->builtin = -parser_token(parser)->constval.i;
3978 if (!parser_next(parser)) {
3979 parseerror(parser, "expected comma or semicolon");
3981 ast_function_delete(func);
3982 var->constval.vfunc = NULL;
3986 else if (parser->tok == '{' || parser->tok == '[')
3990 parseerror(parser, "cannot declare functions within functions");
3995 ast_ctx(proto) = parser_ctx(parser);
3997 if (!parse_function_body(parser, var))
3999 ast_delete(basetype);
4000 for (i = 0; i < vec_size(parser->gotos); ++i)
4001 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
4002 vec_free(parser->gotos);
4003 vec_free(parser->labels);
4006 ast_expression *cexp;
4009 cexp = parse_expression_leave(parser, true);
4014 cval = (ast_value*)cexp;
4015 if (!ast_istype(cval, ast_value) || ((!cval->hasvalue || cval->cvq != CV_CONST) && !cval->isfield))
4016 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
4019 if (opts_standard != COMPILER_GMQCC &&
4020 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4021 qualifier != CV_VAR)
4023 var->cvq = CV_CONST;
4025 var->hasvalue = true;
4026 if (cval->expression.vtype == TYPE_STRING)
4027 var->constval.vstring = parser_strdup(cval->constval.vstring);
4028 else if (cval->expression.vtype == TYPE_FIELD)
4029 var->constval.vfield = cval;
4031 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
4036 shunt sy = { NULL, NULL };
4039 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
4040 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
4041 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
4042 if (!parser_sy_pop(parser, &sy))
4045 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
4046 parseerror(parser, "internal error: leaked operands");
4047 ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
4056 if (parser->tok == ',') {
4057 if (!parser_next(parser)) {
4058 parseerror(parser, "expected another variable");
4062 if (parser->tok != TOKEN_IDENT) {
4063 parseerror(parser, "expected another variable");
4066 var = ast_value_copy(basetype);
4068 ast_value_set_name(var, parser_tokval(parser));
4069 if (!parser_next(parser)) {
4070 parseerror(parser, "error parsing variable declaration");
4076 if (parser->tok != ';') {
4077 parseerror(parser, "missing semicolon after variables");
4081 if (!parser_next(parser)) {
4082 parseerror(parser, "parse error after variable declaration");
4086 ast_delete(basetype);
4090 if (cleanvar && var)
4092 ast_delete(basetype);
4096 ast_delete(basetype);
4097 if (cleanvar && var)
4099 if (me[0]) ast_member_delete(me[0]);
4100 if (me[1]) ast_member_delete(me[1]);
4101 if (me[2]) ast_member_delete(me[2]);
4105 static bool parser_global_statement(parser_t *parser)
4107 ast_value *istype = NULL;
4108 if (parser->tok == TOKEN_IDENT)
4109 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
4111 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
4113 return parse_variable(parser, NULL, false, CV_NONE, istype);
4115 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
4117 if (!strcmp(parser_tokval(parser), "var")) {
4118 if (!parser_next(parser)) {
4119 parseerror(parser, "expected variable declaration after 'var'");
4122 return parse_variable(parser, NULL, true, CV_VAR, NULL);
4125 else if (parser->tok == TOKEN_KEYWORD)
4127 if (!strcmp(parser_tokval(parser), "const")) {
4128 if (!parser_next(parser)) {
4129 parseerror(parser, "expected variable declaration after 'const'");
4132 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
4133 (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
4134 if (!parser_next(parser)) {
4135 parseerror(parser, "expected variable declaration after 'const var'");
4139 return parse_variable(parser, NULL, true, CV_CONST, NULL);
4141 else if (!strcmp(parser_tokval(parser), "typedef")) {
4142 if (!parser_next(parser)) {
4143 parseerror(parser, "expected type definition after 'typedef'");
4146 return parse_typedef(parser);
4148 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
4151 else if (parser->tok == '$')
4153 if (!parser_next(parser)) {
4154 parseerror(parser, "parse error");
4160 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
4166 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
4168 return util_crc16(old, str, strlen(str));
4171 static void progdefs_crc_file(const char *str)
4173 /* write to progdefs.h here */
4177 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
4179 old = progdefs_crc_sum(old, str);
4180 progdefs_crc_file(str);
4184 static void generate_checksum(parser_t *parser)
4186 uint16_t crc = 0xFFFF;
4190 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
4191 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
4193 progdefs_crc_file("\tint\tpad;\n");
4194 progdefs_crc_file("\tint\tofs_return[3];\n");
4195 progdefs_crc_file("\tint\tofs_parm0[3];\n");
4196 progdefs_crc_file("\tint\tofs_parm1[3];\n");
4197 progdefs_crc_file("\tint\tofs_parm2[3];\n");
4198 progdefs_crc_file("\tint\tofs_parm3[3];\n");
4199 progdefs_crc_file("\tint\tofs_parm4[3];\n");
4200 progdefs_crc_file("\tint\tofs_parm5[3];\n");
4201 progdefs_crc_file("\tint\tofs_parm6[3];\n");
4202 progdefs_crc_file("\tint\tofs_parm7[3];\n");
4204 for (i = 0; i < parser->crc_globals; ++i) {
4205 if (!ast_istype(parser->globals[i], ast_value))
4207 value = (ast_value*)(parser->globals[i]);
4208 switch (value->expression.vtype) {
4209 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4210 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4211 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4212 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4214 crc = progdefs_crc_both(crc, "\tint\t");
4217 crc = progdefs_crc_both(crc, value->name);
4218 crc = progdefs_crc_both(crc, ";\n");
4220 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
4221 for (i = 0; i < parser->crc_fields; ++i) {
4222 if (!ast_istype(parser->fields[i], ast_value))
4224 value = (ast_value*)(parser->fields[i]);
4225 switch (value->expression.next->expression.vtype) {
4226 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4227 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4228 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4229 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4231 crc = progdefs_crc_both(crc, "\tint\t");
4234 crc = progdefs_crc_both(crc, value->name);
4235 crc = progdefs_crc_both(crc, ";\n");
4237 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
4242 static parser_t *parser;
4248 parser = (parser_t*)mem_a(sizeof(parser_t));
4252 memset(parser, 0, sizeof(*parser));
4254 for (i = 0; i < operator_count; ++i) {
4255 if (operators[i].id == opid1('=')) {
4256 parser->assign_op = operators+i;
4260 if (!parser->assign_op) {
4261 printf("internal error: initializing parser: failed to find assign operator\n");
4266 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
4267 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
4268 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
4269 vec_push(parser->_blocktypedefs, 0);
4273 bool parser_compile()
4275 /* initial lexer/parser state */
4276 parser->lex->flags.noops = true;
4278 if (parser_next(parser))
4280 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
4282 if (!parser_global_statement(parser)) {
4283 if (parser->tok == TOKEN_EOF)
4284 parseerror(parser, "unexpected eof");
4285 else if (!parser->errors)
4286 parseerror(parser, "there have been errors, bailing out");
4287 lex_close(parser->lex);
4293 parseerror(parser, "parse error");
4294 lex_close(parser->lex);
4299 lex_close(parser->lex);
4302 return !parser->errors;
4305 bool parser_compile_file(const char *filename)
4307 parser->lex = lex_open(filename);
4309 con_err("failed to open file \"%s\"\n", filename);
4312 return parser_compile();
4315 bool parser_compile_string_len(const char *name, const char *str, size_t len)
4317 parser->lex = lex_open_string(str, len, name);
4319 con_err("failed to create lexer for string \"%s\"\n", name);
4322 return parser_compile();
4325 bool parser_compile_string(const char *name, const char *str)
4327 parser->lex = lex_open_string(str, strlen(str), name);
4329 con_err("failed to create lexer for string \"%s\"\n", name);
4332 return parser_compile();
4335 void parser_cleanup()
4338 for (i = 0; i < vec_size(parser->accessors); ++i) {
4339 ast_delete(parser->accessors[i]->constval.vfunc);
4340 parser->accessors[i]->constval.vfunc = NULL;
4341 ast_delete(parser->accessors[i]);
4343 for (i = 0; i < vec_size(parser->functions); ++i) {
4344 ast_delete(parser->functions[i]);
4346 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4347 ast_delete(parser->imm_vector[i]);
4349 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4350 ast_delete(parser->imm_string[i]);
4352 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4353 ast_delete(parser->imm_float[i]);
4355 for (i = 0; i < vec_size(parser->fields); ++i) {
4356 ast_delete(parser->fields[i]);
4358 for (i = 0; i < vec_size(parser->globals); ++i) {
4359 ast_delete(parser->globals[i]);
4361 vec_free(parser->accessors);
4362 vec_free(parser->functions);
4363 vec_free(parser->imm_vector);
4364 vec_free(parser->imm_string);
4365 vec_free(parser->imm_float);
4366 vec_free(parser->globals);
4367 vec_free(parser->fields);
4369 for (i = 0; i < vec_size(parser->variables); ++i)
4370 util_htdel(parser->variables[i]);
4371 vec_free(parser->variables);
4372 vec_free(parser->_blocklocals);
4373 vec_free(parser->_locals);
4375 for (i = 0; i < vec_size(parser->_typedefs); ++i)
4376 ast_delete(parser->_typedefs[i]);
4377 vec_free(parser->_typedefs);
4378 for (i = 0; i < vec_size(parser->typedefs); ++i)
4379 util_htdel(parser->typedefs[i]);
4380 vec_free(parser->typedefs);
4381 vec_free(parser->_blocktypedefs);
4383 vec_free(parser->_block_ctx);
4385 vec_free(parser->labels);
4386 vec_free(parser->gotos);
4391 bool parser_finish(const char *output)
4397 if (!parser->errors)
4399 ir = ir_builder_new("gmqcc_out");
4401 con_out("failed to allocate builder\n");
4405 for (i = 0; i < vec_size(parser->fields); ++i) {
4408 if (!ast_istype(parser->fields[i], ast_value))
4410 field = (ast_value*)parser->fields[i];
4411 hasvalue = field->hasvalue;
4412 field->hasvalue = false;
4413 if (!ast_global_codegen((ast_value*)field, ir, true)) {
4414 con_out("failed to generate field %s\n", field->name);
4415 ir_builder_delete(ir);
4420 ast_expression *subtype;
4421 field->hasvalue = true;
4422 subtype = field->expression.next;
4423 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
4424 if (subtype->expression.vtype == TYPE_FIELD)
4425 ifld->fieldtype = subtype->expression.next->expression.vtype;
4426 else if (subtype->expression.vtype == TYPE_FUNCTION)
4427 ifld->outtype = subtype->expression.next->expression.vtype;
4428 (void)!ir_value_set_field(field->ir_v, ifld);
4431 for (i = 0; i < vec_size(parser->globals); ++i) {
4433 if (!ast_istype(parser->globals[i], ast_value))
4435 asvalue = (ast_value*)(parser->globals[i]);
4436 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
4437 if (strcmp(asvalue->name, "end_sys_globals") &&
4438 strcmp(asvalue->name, "end_sys_fields"))
4440 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
4441 "unused global: `%s`", asvalue->name);
4444 if (!ast_global_codegen(asvalue, ir, false)) {
4445 con_out("failed to generate global %s\n", asvalue->name);
4446 ir_builder_delete(ir);
4450 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4451 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
4452 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
4453 ir_builder_delete(ir);
4457 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4458 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
4459 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
4460 ir_builder_delete(ir);
4464 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4465 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
4466 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
4467 ir_builder_delete(ir);
4471 for (i = 0; i < vec_size(parser->globals); ++i) {
4473 if (!ast_istype(parser->globals[i], ast_value))
4475 asvalue = (ast_value*)(parser->globals[i]);
4476 if (asvalue->setter) {
4477 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4478 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4479 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4481 printf("failed to generate setter for %s\n", asvalue->name);
4482 ir_builder_delete(ir);
4486 if (asvalue->getter) {
4487 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4488 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4489 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4491 printf("failed to generate getter for %s\n", asvalue->name);
4492 ir_builder_delete(ir);
4497 for (i = 0; i < vec_size(parser->fields); ++i) {
4499 asvalue = (ast_value*)(parser->fields[i]->expression.next);
4501 if (!ast_istype((ast_expression*)asvalue, ast_value))
4503 if (asvalue->expression.vtype != TYPE_ARRAY)
4505 if (asvalue->setter) {
4506 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4507 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4508 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4510 printf("failed to generate setter for %s\n", asvalue->name);
4511 ir_builder_delete(ir);
4515 if (asvalue->getter) {
4516 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4517 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4518 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4520 printf("failed to generate getter for %s\n", asvalue->name);
4521 ir_builder_delete(ir);
4526 for (i = 0; i < vec_size(parser->functions); ++i) {
4527 if (!ast_function_codegen(parser->functions[i], ir)) {
4528 con_out("failed to generate function %s\n", parser->functions[i]->name);
4529 ir_builder_delete(ir);
4534 ir_builder_dump(ir, con_out);
4535 for (i = 0; i < vec_size(parser->functions); ++i) {
4536 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
4537 con_out("failed to finalize function %s\n", parser->functions[i]->name);
4538 ir_builder_delete(ir);
4545 ir_builder_dump(ir, con_out);
4547 generate_checksum(parser);
4549 if (!ir_builder_generate(ir, output)) {
4550 con_out("*** failed to generate output file\n");
4551 ir_builder_delete(ir);
4556 ir_builder_delete(ir);
4560 con_out("*** there were compile errors\n");