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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,
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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 bool parse_statement_or_block(parser_t *parser, ast_expression **out);
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 if (!parse_statement_or_block(parser, &ontrue)) {
1790 /* check for an else */
1791 if (!strcmp(parser_tokval(parser), "else")) {
1792 /* parse into the 'else' branch */
1793 if (!parser_next(parser)) {
1794 parseerror(parser, "expected on-false branch after 'else'");
1799 if (!parse_statement_or_block(parser, &onfalse)) {
1807 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
1809 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
1810 *out = (ast_expression*)ifthen;
1814 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
1817 ast_expression *cond, *ontrue;
1819 lex_ctx ctx = parser_ctx(parser);
1821 (void)block; /* not touching */
1823 /* skip the 'while' and check for opening paren */
1824 if (!parser_next(parser) || parser->tok != '(') {
1825 parseerror(parser, "expected 'while' condition in parenthesis");
1828 /* parse into the expression */
1829 if (!parser_next(parser)) {
1830 parseerror(parser, "expected 'while' condition after opening paren");
1833 /* parse the condition */
1834 cond = parse_expression_leave(parser, false);
1838 if (parser->tok != ')') {
1839 parseerror(parser, "expected closing paren after 'while' condition");
1843 /* parse into the 'then' branch */
1844 if (!parser_next(parser)) {
1845 parseerror(parser, "expected while-loop body");
1849 if (!parse_statement_or_block(parser, &ontrue)) {
1854 aloop = ast_loop_new(ctx, NULL, cond, NULL, NULL, ontrue);
1855 *out = (ast_expression*)aloop;
1859 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
1862 ast_expression *cond, *ontrue;
1864 lex_ctx ctx = parser_ctx(parser);
1866 (void)block; /* not touching */
1868 /* skip the 'do' and get the body */
1869 if (!parser_next(parser)) {
1870 parseerror(parser, "expected loop body");
1873 if (!parse_statement_or_block(parser, &ontrue))
1876 /* expect the "while" */
1877 if (parser->tok != TOKEN_KEYWORD ||
1878 strcmp(parser_tokval(parser), "while"))
1880 parseerror(parser, "expected 'while' and condition");
1885 /* skip the 'while' and check for opening paren */
1886 if (!parser_next(parser) || parser->tok != '(') {
1887 parseerror(parser, "expected 'while' condition in parenthesis");
1891 /* parse into the expression */
1892 if (!parser_next(parser)) {
1893 parseerror(parser, "expected 'while' condition after opening paren");
1897 /* parse the condition */
1898 cond = parse_expression_leave(parser, false);
1902 if (parser->tok != ')') {
1903 parseerror(parser, "expected closing paren after 'while' condition");
1909 if (!parser_next(parser) || parser->tok != ';') {
1910 parseerror(parser, "expected semicolon after condition");
1916 if (!parser_next(parser)) {
1917 parseerror(parser, "parse error");
1923 aloop = ast_loop_new(ctx, NULL, NULL, cond, NULL, ontrue);
1924 *out = (ast_expression*)aloop;
1928 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
1931 ast_expression *initexpr, *cond, *increment, *ontrue;
1935 lex_ctx ctx = parser_ctx(parser);
1937 parser_enterblock(parser);
1944 /* skip the 'while' and check for opening paren */
1945 if (!parser_next(parser) || parser->tok != '(') {
1946 parseerror(parser, "expected 'for' expressions in parenthesis");
1949 /* parse into the expression */
1950 if (!parser_next(parser)) {
1951 parseerror(parser, "expected 'for' initializer after opening paren");
1956 if (parser->tok == TOKEN_IDENT)
1957 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
1959 if (typevar || parser->tok == TOKEN_TYPENAME) {
1960 if (opts_standard != COMPILER_GMQCC) {
1961 if (parsewarning(parser, WARN_EXTENSIONS,
1962 "current standard does not allow variable declarations in for-loop initializers"))
1965 if (!parse_variable(parser, block, true, CV_VAR, typevar))
1968 else if (parser->tok != ';')
1970 initexpr = parse_expression_leave(parser, false);
1975 /* move on to condition */
1976 if (parser->tok != ';') {
1977 parseerror(parser, "expected semicolon after for-loop initializer");
1980 if (!parser_next(parser)) {
1981 parseerror(parser, "expected for-loop condition");
1985 /* parse the condition */
1986 if (parser->tok != ';') {
1987 cond = parse_expression_leave(parser, false);
1992 /* move on to incrementor */
1993 if (parser->tok != ';') {
1994 parseerror(parser, "expected semicolon after for-loop initializer");
1997 if (!parser_next(parser)) {
1998 parseerror(parser, "expected for-loop condition");
2002 /* parse the incrementor */
2003 if (parser->tok != ')') {
2004 increment = parse_expression_leave(parser, false);
2007 if (!ast_side_effects(increment)) {
2008 if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2014 if (parser->tok != ')') {
2015 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
2018 /* parse into the 'then' branch */
2019 if (!parser_next(parser)) {
2020 parseerror(parser, "expected for-loop body");
2023 if (!parse_statement_or_block(parser, &ontrue))
2026 aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
2027 *out = (ast_expression*)aloop;
2029 if (!parser_leaveblock(parser))
2033 if (initexpr) ast_delete(initexpr);
2034 if (cond) ast_delete(cond);
2035 if (increment) ast_delete(increment);
2036 (void)!parser_leaveblock(parser);
2040 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
2042 ast_expression *exp = NULL;
2043 ast_return *ret = NULL;
2044 ast_value *expected = parser->function->vtype;
2046 lex_ctx ctx = parser_ctx(parser);
2048 (void)block; /* not touching */
2050 if (!parser_next(parser)) {
2051 parseerror(parser, "expected return expression");
2055 if (parser->tok != ';') {
2056 exp = parse_expression(parser, false);
2060 if (exp->expression.vtype != expected->expression.next->expression.vtype) {
2061 parseerror(parser, "return with invalid expression");
2064 ret = ast_return_new(exp->expression.node.context, exp);
2070 if (!parser_next(parser))
2071 parseerror(parser, "parse error");
2072 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2073 if (opts_standard != COMPILER_GMQCC)
2074 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2076 parseerror(parser, "return without value");
2078 ret = ast_return_new(ctx, NULL);
2080 *out = (ast_expression*)ret;
2084 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2086 lex_ctx ctx = parser_ctx(parser);
2088 (void)block; /* not touching */
2090 if (!parser_next(parser) || parser->tok != ';') {
2091 parseerror(parser, "expected semicolon");
2095 if (!parser_next(parser))
2096 parseerror(parser, "parse error");
2098 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
2102 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2104 ast_expression *operand;
2106 ast_switch *switchnode;
2107 ast_switch_case swcase;
2109 lex_ctx ctx = parser_ctx(parser);
2111 (void)block; /* not touching */
2114 /* parse over the opening paren */
2115 if (!parser_next(parser) || parser->tok != '(') {
2116 parseerror(parser, "expected switch operand in parenthesis");
2120 /* parse into the expression */
2121 if (!parser_next(parser)) {
2122 parseerror(parser, "expected switch operand");
2125 /* parse the operand */
2126 operand = parse_expression_leave(parser, false);
2130 switchnode = ast_switch_new(ctx, operand);
2133 if (parser->tok != ')') {
2134 ast_delete(switchnode);
2135 parseerror(parser, "expected closing paren after 'switch' operand");
2139 /* parse over the opening paren */
2140 if (!parser_next(parser) || parser->tok != '{') {
2141 ast_delete(switchnode);
2142 parseerror(parser, "expected list of cases");
2146 if (!parser_next(parser)) {
2147 ast_delete(switchnode);
2148 parseerror(parser, "expected 'case' or 'default'");
2153 while (parser->tok != '}') {
2154 ast_block *caseblock;
2156 if (parser->tok != TOKEN_KEYWORD) {
2157 ast_delete(switchnode);
2158 parseerror(parser, "expected 'case' or 'default'");
2161 if (!strcmp(parser_tokval(parser), "case")) {
2162 if (!parser_next(parser)) {
2163 ast_delete(switchnode);
2164 parseerror(parser, "expected expression for case");
2167 swcase.value = parse_expression_leave(parser, false);
2168 if (!swcase.value) {
2169 ast_delete(switchnode);
2170 parseerror(parser, "expected expression for case");
2173 if (!OPTS_FLAG(RELAXED_SWITCH)) {
2174 opval = (ast_value*)swcase.value;
2175 if (!ast_istype(swcase.value, ast_value)) { /* || opval->cvq != CV_CONST) { */
2176 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
2182 else if (!strcmp(parser_tokval(parser), "default")) {
2183 swcase.value = NULL;
2184 if (!parser_next(parser)) {
2185 ast_delete(switchnode);
2186 parseerror(parser, "expected colon");
2191 /* Now the colon and body */
2192 if (parser->tok != ':') {
2193 if (swcase.value) ast_unref(swcase.value);
2194 ast_delete(switchnode);
2195 parseerror(parser, "expected colon");
2199 if (!parser_next(parser)) {
2200 if (swcase.value) ast_unref(swcase.value);
2201 ast_delete(switchnode);
2202 parseerror(parser, "expected statements or case");
2205 caseblock = ast_block_new(parser_ctx(parser));
2207 if (swcase.value) ast_unref(swcase.value);
2208 ast_delete(switchnode);
2211 swcase.code = (ast_expression*)caseblock;
2212 vec_push(switchnode->cases, swcase);
2214 ast_expression *expr;
2215 if (parser->tok == '}')
2217 if (parser->tok == TOKEN_KEYWORD) {
2218 if (!strcmp(parser_tokval(parser), "case") ||
2219 !strcmp(parser_tokval(parser), "default"))
2224 if (!parse_statement(parser, caseblock, &expr, true)) {
2225 ast_delete(switchnode);
2230 ast_block_add_expr(caseblock, expr);
2235 if (parser->tok != '}') {
2236 ast_delete(switchnode);
2237 parseerror(parser, "expected closing paren of case list");
2240 if (!parser_next(parser)) {
2241 ast_delete(switchnode);
2242 parseerror(parser, "parse error after switch");
2245 *out = (ast_expression*)switchnode;
2249 static bool parse_goto(parser_t *parser, ast_expression **out)
2254 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2255 parseerror(parser, "expected label name after `goto`");
2259 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
2261 for (i = 0; i < vec_size(parser->labels); ++i) {
2262 if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
2263 ast_goto_set_label(gt, parser->labels[i]);
2267 if (i == vec_size(parser->labels))
2268 vec_push(parser->gotos, gt);
2270 if (!parser_next(parser) || parser->tok != ';') {
2271 parseerror(parser, "semicolon expected after goto label");
2274 if (!parser_next(parser)) {
2275 parseerror(parser, "parse error after goto");
2279 *out = (ast_expression*)gt;
2283 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
2286 ast_value *typevar = NULL;
2289 if (parser->tok == TOKEN_IDENT)
2290 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2292 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
2294 /* local variable */
2296 parseerror(parser, "cannot declare a variable from here");
2299 if (opts_standard == COMPILER_QCC) {
2300 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
2303 if (!parse_variable(parser, block, false, CV_NONE, typevar))
2308 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
2312 else if (parser->tok == TOKEN_KEYWORD)
2314 if (!strcmp(parser_tokval(parser), "local") ||
2315 !strcmp(parser_tokval(parser), "const") ||
2316 !strcmp(parser_tokval(parser), "var"))
2319 if (parser_tokval(parser)[0] == 'c')
2321 else if (parser_tokval(parser)[0] == 'v')
2327 parseerror(parser, "cannot declare a local variable here");
2330 if (!parser_next(parser)) {
2331 parseerror(parser, "expected variable declaration");
2334 if (!parse_variable(parser, block, true, cvq, NULL))
2339 else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
2344 if (!parser_next(parser)) {
2345 parseerror(parser, "parse error after __builtin_debug_printtype");
2349 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
2351 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
2352 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
2353 if (!parser_next(parser)) {
2354 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
2360 if (!parse_statement(parser, block, out, allow_cases))
2363 con_out("__builtin_debug_printtype: got no output node\n");
2366 ast_type_to_string(*out, ty, sizeof(ty));
2367 con_out("__builtin_debug_printtype: `%s`\n", ty);
2372 else if (!strcmp(parser_tokval(parser), "return"))
2374 return parse_return(parser, block, out);
2376 else if (!strcmp(parser_tokval(parser), "if"))
2378 return parse_if(parser, block, out);
2380 else if (!strcmp(parser_tokval(parser), "while"))
2382 return parse_while(parser, block, out);
2384 else if (!strcmp(parser_tokval(parser), "do"))
2386 return parse_dowhile(parser, block, out);
2388 else if (!strcmp(parser_tokval(parser), "for"))
2390 if (opts_standard == COMPILER_QCC) {
2391 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
2394 return parse_for(parser, block, out);
2396 else if (!strcmp(parser_tokval(parser), "break"))
2398 return parse_break_continue(parser, block, out, false);
2400 else if (!strcmp(parser_tokval(parser), "continue"))
2402 return parse_break_continue(parser, block, out, true);
2404 else if (!strcmp(parser_tokval(parser), "switch"))
2406 return parse_switch(parser, block, out);
2408 else if (!strcmp(parser_tokval(parser), "case") ||
2409 !strcmp(parser_tokval(parser), "default"))
2412 parseerror(parser, "unexpected 'case' label");
2417 else if (!strcmp(parser_tokval(parser), "goto"))
2419 return parse_goto(parser, out);
2421 else if (!strcmp(parser_tokval(parser), "typedef"))
2423 if (!parser_next(parser)) {
2424 parseerror(parser, "expected type definition after 'typedef'");
2427 return parse_typedef(parser);
2429 parseerror(parser, "Unexpected keyword");
2432 else if (parser->tok == '{')
2435 inner = parse_block(parser);
2438 *out = (ast_expression*)inner;
2441 else if (parser->tok == ':')
2445 if (!parser_next(parser)) {
2446 parseerror(parser, "expected label name");
2449 if (parser->tok != TOKEN_IDENT) {
2450 parseerror(parser, "label must be an identifier");
2453 label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
2456 vec_push(parser->labels, label);
2457 *out = (ast_expression*)label;
2458 if (!parser_next(parser)) {
2459 parseerror(parser, "parse error after label");
2462 for (i = 0; i < vec_size(parser->gotos); ++i) {
2463 if (!strcmp(parser->gotos[i]->name, label->name)) {
2464 ast_goto_set_label(parser->gotos[i], label);
2465 vec_remove(parser->gotos, i, 1);
2471 else if (parser->tok == ';')
2473 if (!parser_next(parser)) {
2474 parseerror(parser, "parse error after empty statement");
2481 ast_expression *exp = parse_expression(parser, false);
2485 if (!ast_side_effects(exp)) {
2486 if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2493 static bool parse_block_into(parser_t *parser, ast_block *block)
2497 parser_enterblock(parser);
2499 if (!parser_next(parser)) { /* skip the '{' */
2500 parseerror(parser, "expected function body");
2504 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
2506 ast_expression *expr = NULL;
2507 if (parser->tok == '}')
2510 if (!parse_statement(parser, block, &expr, false)) {
2511 /* parseerror(parser, "parse error"); */
2517 ast_block_add_expr(block, expr);
2520 if (parser->tok != '}') {
2523 (void)parser_next(parser);
2527 if (!parser_leaveblock(parser))
2529 return retval && !!block;
2532 static ast_block* parse_block(parser_t *parser)
2535 block = ast_block_new(parser_ctx(parser));
2538 if (!parse_block_into(parser, block)) {
2539 ast_block_delete(block);
2545 static bool parse_statement_or_block(parser_t *parser, ast_expression **out)
2547 if (parser->tok == '{') {
2548 *out = (ast_expression*)parse_block(parser);
2551 return parse_statement(parser, NULL, out, false);
2554 static bool create_vector_members(ast_value *var, ast_member **me)
2557 size_t len = strlen(var->name);
2559 for (i = 0; i < 3; ++i) {
2560 char *name = mem_a(len+3);
2561 memcpy(name, var->name, len);
2563 name[len+1] = 'x'+i;
2565 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
2574 do { ast_member_delete(me[--i]); } while(i);
2578 static bool parse_function_body(parser_t *parser, ast_value *var)
2580 ast_block *block = NULL;
2585 ast_expression *framenum = NULL;
2586 ast_expression *nextthink = NULL;
2587 /* None of the following have to be deleted */
2588 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
2589 ast_expression *gbl_time = NULL, *gbl_self = NULL;
2590 bool has_frame_think;
2594 has_frame_think = false;
2595 old = parser->function;
2597 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
2598 parseerror(parser, "gotos/labels leaking");
2602 if (var->expression.variadic) {
2603 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
2604 "variadic function with implementation will not be able to access additional parameters"))
2610 if (parser->tok == '[') {
2611 /* got a frame definition: [ framenum, nextthink ]
2612 * this translates to:
2613 * self.frame = framenum;
2614 * self.nextthink = time + 0.1;
2615 * self.think = nextthink;
2619 fld_think = parser_find_field(parser, "think");
2620 fld_nextthink = parser_find_field(parser, "nextthink");
2621 fld_frame = parser_find_field(parser, "frame");
2622 if (!fld_think || !fld_nextthink || !fld_frame) {
2623 parseerror(parser, "cannot use [frame,think] notation without the required fields");
2624 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
2627 gbl_time = parser_find_global(parser, "time");
2628 gbl_self = parser_find_global(parser, "self");
2629 if (!gbl_time || !gbl_self) {
2630 parseerror(parser, "cannot use [frame,think] notation without the required globals");
2631 parseerror(parser, "please declare the following globals: `time`, `self`");
2635 if (!parser_next(parser))
2638 framenum = parse_expression_leave(parser, true);
2640 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
2643 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
2644 ast_unref(framenum);
2645 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
2649 if (parser->tok != ',') {
2650 ast_unref(framenum);
2651 parseerror(parser, "expected comma after frame number in [frame,think] notation");
2652 parseerror(parser, "Got a %i\n", parser->tok);
2656 if (!parser_next(parser)) {
2657 ast_unref(framenum);
2661 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
2663 /* qc allows the use of not-yet-declared functions here
2664 * - this automatically creates a prototype */
2665 ast_value *thinkfunc;
2666 ast_expression *functype = fld_think->expression.next;
2668 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
2669 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
2670 ast_unref(framenum);
2671 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
2675 if (!parser_next(parser)) {
2676 ast_unref(framenum);
2677 ast_delete(thinkfunc);
2681 vec_push(parser->globals, (ast_expression*)thinkfunc);
2682 util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
2683 nextthink = (ast_expression*)thinkfunc;
2686 nextthink = parse_expression_leave(parser, true);
2688 ast_unref(framenum);
2689 parseerror(parser, "expected a think-function in [frame,think] notation");
2694 if (!ast_istype(nextthink, ast_value)) {
2695 parseerror(parser, "think-function in [frame,think] notation must be a constant");
2699 if (retval && parser->tok != ']') {
2700 parseerror(parser, "expected closing `]` for [frame,think] notation");
2704 if (retval && !parser_next(parser)) {
2708 if (retval && parser->tok != '{') {
2709 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
2714 ast_unref(nextthink);
2715 ast_unref(framenum);
2719 has_frame_think = true;
2722 block = ast_block_new(parser_ctx(parser));
2724 parseerror(parser, "failed to allocate block");
2725 if (has_frame_think) {
2726 ast_unref(nextthink);
2727 ast_unref(framenum);
2732 if (has_frame_think) {
2734 ast_expression *self_frame;
2735 ast_expression *self_nextthink;
2736 ast_expression *self_think;
2737 ast_expression *time_plus_1;
2738 ast_store *store_frame;
2739 ast_store *store_nextthink;
2740 ast_store *store_think;
2742 ctx = parser_ctx(parser);
2743 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
2744 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
2745 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
2747 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
2748 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
2750 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
2751 if (self_frame) ast_delete(self_frame);
2752 if (self_nextthink) ast_delete(self_nextthink);
2753 if (self_think) ast_delete(self_think);
2754 if (time_plus_1) ast_delete(time_plus_1);
2760 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
2761 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
2762 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
2765 ast_delete(self_frame);
2768 if (!store_nextthink) {
2769 ast_delete(self_nextthink);
2773 ast_delete(self_think);
2777 if (store_frame) ast_delete(store_frame);
2778 if (store_nextthink) ast_delete(store_nextthink);
2779 if (store_think) ast_delete(store_think);
2782 ast_block_add_expr(block, (ast_expression*)store_frame);
2783 ast_block_add_expr(block, (ast_expression*)store_nextthink);
2784 ast_block_add_expr(block, (ast_expression*)store_think);
2788 parseerror(parser, "failed to generate code for [frame,think]");
2789 ast_unref(nextthink);
2790 ast_unref(framenum);
2796 parser_enterblock(parser);
2798 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
2800 ast_value *param = var->expression.params[parami];
2803 if (param->expression.vtype != TYPE_VECTOR &&
2804 (param->expression.vtype != TYPE_FIELD ||
2805 param->expression.next->expression.vtype != TYPE_VECTOR))
2810 if (!create_vector_members(param, me)) {
2811 ast_block_delete(block);
2815 for (e = 0; e < 3; ++e) {
2816 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
2817 ast_block_collect(block, (ast_expression*)me[e]);
2821 func = ast_function_new(ast_ctx(var), var->name, var);
2823 parseerror(parser, "failed to allocate function for `%s`", var->name);
2824 ast_block_delete(block);
2827 vec_push(parser->functions, func);
2829 parser->function = func;
2830 if (!parse_block_into(parser, block)) {
2831 ast_block_delete(block);
2835 vec_push(func->blocks, block);
2837 parser->function = old;
2838 if (!parser_leaveblock(parser))
2840 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
2841 parseerror(parser, "internal error: local scopes left");
2845 if (parser->tok == ';')
2846 return parser_next(parser);
2847 else if (opts_standard == COMPILER_QCC)
2848 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
2852 vec_pop(parser->functions);
2853 ast_function_delete(func);
2854 var->constval.vfunc = NULL;
2857 (void)!parser_leaveblock(parser);
2858 parser->function = old;
2862 static ast_expression *array_accessor_split(
2867 ast_expression *left,
2868 ast_expression *right
2874 lex_ctx ctx = ast_ctx(array);
2876 if (!left || !right) {
2877 if (left) ast_delete(left);
2878 if (right) ast_delete(right);
2882 cmp = ast_binary_new(ctx, INSTR_LT,
2883 (ast_expression*)index,
2884 (ast_expression*)parser_const_float(parser, middle));
2888 parseerror(parser, "internal error: failed to create comparison for array setter");
2892 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
2894 ast_delete(cmp); /* will delete left and right */
2895 parseerror(parser, "internal error: failed to create conditional jump for array setter");
2899 return (ast_expression*)ifthen;
2902 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
2904 lex_ctx ctx = ast_ctx(array);
2906 if (from+1 == afterend) {
2907 /* set this value */
2910 ast_array_index *subscript;
2912 int assignop = type_store_instr[value->expression.vtype];
2914 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2915 assignop = INSTR_STORE_V;
2917 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2921 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
2923 ast_delete(subscript);
2927 block = ast_block_new(ctx);
2933 ast_block_add_expr(block, (ast_expression*)st);
2935 ret = ast_return_new(ctx, NULL);
2941 ast_block_add_expr(block, (ast_expression*)ret);
2943 return (ast_expression*)block;
2945 ast_expression *left, *right;
2946 size_t diff = afterend - from;
2947 size_t middle = from + diff/2;
2948 left = array_setter_node(parser, array, index, value, from, middle);
2949 right = array_setter_node(parser, array, index, value, middle, afterend);
2950 return array_accessor_split(parser, array, index, middle, left, right);
2954 static ast_expression *array_field_setter_node(
2963 lex_ctx ctx = ast_ctx(array);
2965 if (from+1 == afterend) {
2966 /* set this value */
2969 ast_entfield *entfield;
2970 ast_array_index *subscript;
2972 int assignop = type_storep_instr[value->expression.vtype];
2974 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
2975 assignop = INSTR_STOREP_V;
2977 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
2981 entfield = ast_entfield_new_force(ctx,
2982 (ast_expression*)entity,
2983 (ast_expression*)subscript,
2984 (ast_expression*)subscript);
2986 ast_delete(subscript);
2990 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
2992 ast_delete(entfield);
2996 block = ast_block_new(ctx);
3002 ast_block_add_expr(block, (ast_expression*)st);
3004 ret = ast_return_new(ctx, NULL);
3010 ast_block_add_expr(block, (ast_expression*)ret);
3012 return (ast_expression*)block;
3014 ast_expression *left, *right;
3015 size_t diff = afterend - from;
3016 size_t middle = from + diff/2;
3017 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
3018 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
3019 return array_accessor_split(parser, array, index, middle, left, right);
3023 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
3025 lex_ctx ctx = ast_ctx(array);
3027 if (from+1 == afterend) {
3029 ast_array_index *subscript;
3031 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
3035 ret = ast_return_new(ctx, (ast_expression*)subscript);
3037 ast_delete(subscript);
3041 return (ast_expression*)ret;
3043 ast_expression *left, *right;
3044 size_t diff = afterend - from;
3045 size_t middle = from + diff/2;
3046 left = array_getter_node(parser, array, index, from, middle);
3047 right = array_getter_node(parser, array, index, middle, afterend);
3048 return array_accessor_split(parser, array, index, middle, left, right);
3052 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
3054 ast_function *func = NULL;
3055 ast_value *fval = NULL;
3056 ast_block *body = NULL;
3058 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
3060 parseerror(parser, "failed to create accessor function value");
3064 func = ast_function_new(ast_ctx(array), funcname, fval);
3067 parseerror(parser, "failed to create accessor function node");
3071 body = ast_block_new(ast_ctx(array));
3073 parseerror(parser, "failed to create block for array accessor");
3079 vec_push(func->blocks, body);
3082 vec_push(parser->accessors, fval);
3087 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
3089 ast_expression *root = NULL;
3090 ast_value *index = NULL;
3091 ast_value *value = NULL;
3095 if (!ast_istype(array->expression.next, ast_value)) {
3096 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3100 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3102 func = fval->constval.vfunc;
3103 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3105 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3106 value = ast_value_copy((ast_value*)array->expression.next);
3108 if (!index || !value) {
3109 parseerror(parser, "failed to create locals for array accessor");
3112 (void)!ast_value_set_name(value, "value"); /* not important */
3113 vec_push(fval->expression.params, index);
3114 vec_push(fval->expression.params, value);
3116 root = array_setter_node(parser, array, index, value, 0, array->expression.count);
3118 parseerror(parser, "failed to build accessor search tree");
3122 ast_block_add_expr(func->blocks[0], root);
3123 array->setter = fval;
3126 if (index) ast_delete(index);
3127 if (value) ast_delete(value);
3128 if (root) ast_delete(root);
3134 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
3136 ast_expression *root = NULL;
3137 ast_value *entity = NULL;
3138 ast_value *index = NULL;
3139 ast_value *value = NULL;
3143 if (!ast_istype(array->expression.next, ast_value)) {
3144 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3148 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3150 func = fval->constval.vfunc;
3151 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
3153 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
3154 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3155 value = ast_value_copy((ast_value*)array->expression.next);
3156 if (!entity || !index || !value) {
3157 parseerror(parser, "failed to create locals for array accessor");
3160 (void)!ast_value_set_name(value, "value"); /* not important */
3161 vec_push(fval->expression.params, entity);
3162 vec_push(fval->expression.params, index);
3163 vec_push(fval->expression.params, value);
3165 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
3167 parseerror(parser, "failed to build accessor search tree");
3171 ast_block_add_expr(func->blocks[0], root);
3172 array->setter = fval;
3175 if (entity) ast_delete(entity);
3176 if (index) ast_delete(index);
3177 if (value) ast_delete(value);
3178 if (root) ast_delete(root);
3184 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
3186 ast_expression *root = NULL;
3187 ast_value *index = NULL;
3191 /* NOTE: checking array->expression.next rather than elemtype since
3192 * for fields elemtype is a temporary fieldtype.
3194 if (!ast_istype(array->expression.next, ast_value)) {
3195 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
3199 if (!parser_create_array_accessor(parser, array, funcname, &fval))
3201 func = fval->constval.vfunc;
3202 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
3204 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
3207 parseerror(parser, "failed to create locals for array accessor");
3210 vec_push(fval->expression.params, index);
3212 root = array_getter_node(parser, array, index, 0, array->expression.count);
3214 parseerror(parser, "failed to build accessor search tree");
3218 ast_block_add_expr(func->blocks[0], root);
3219 array->getter = fval;
3222 if (index) ast_delete(index);
3223 if (root) ast_delete(root);
3229 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
3230 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
3238 bool variadic = false;
3240 ctx = parser_ctx(parser);
3242 /* for the sake of less code we parse-in in this function */
3243 if (!parser_next(parser)) {
3244 parseerror(parser, "expected parameter list");
3250 /* parse variables until we hit a closing paren */
3251 while (parser->tok != ')') {
3253 /* there must be commas between them */
3254 if (parser->tok != ',') {
3255 parseerror(parser, "expected comma or end of parameter list");
3258 if (!parser_next(parser)) {
3259 parseerror(parser, "expected parameter");
3265 if (parser->tok == TOKEN_DOTS) {
3266 /* '...' indicates a varargs function */
3268 if (!parser_next(parser)) {
3269 parseerror(parser, "expected parameter");
3272 if (parser->tok != ')') {
3273 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
3279 /* for anything else just parse a typename */
3280 param = parse_typename(parser, NULL, NULL);
3283 vec_push(params, param);
3284 if (param->expression.vtype >= TYPE_VARIANT) {
3285 char typename[1024];
3286 ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
3287 parseerror(parser, "type not supported as part of a parameter list: %s", typename);
3293 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
3297 if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
3298 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
3301 if (!parser_next(parser)) {
3302 parseerror(parser, "parse error after typename");
3306 /* now turn 'var' into a function type */
3307 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
3308 fval->expression.next = (ast_expression*)var;
3309 fval->expression.variadic = variadic;
3312 var->expression.params = params;
3319 for (i = 0; i < vec_size(params); ++i)
3320 ast_delete(params[i]);
3325 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
3327 ast_expression *cexp;
3328 ast_value *cval, *tmp;
3331 ctx = parser_ctx(parser);
3333 if (!parser_next(parser)) {
3335 parseerror(parser, "expected array-size");
3339 cexp = parse_expression_leave(parser, true);
3341 if (!cexp || !ast_istype(cexp, ast_value)) {
3345 parseerror(parser, "expected array-size as constant positive integer");
3348 cval = (ast_value*)cexp;
3350 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
3351 tmp->expression.next = (ast_expression*)var;
3354 if (cval->expression.vtype == TYPE_INTEGER)
3355 tmp->expression.count = cval->constval.vint;
3356 else if (cval->expression.vtype == TYPE_FLOAT)
3357 tmp->expression.count = cval->constval.vfloat;
3361 parseerror(parser, "array-size must be a positive integer constant");
3366 if (parser->tok != ']') {
3368 parseerror(parser, "expected ']' after array-size");
3371 if (!parser_next(parser)) {
3373 parseerror(parser, "error after parsing array size");
3379 /* Parse a complete typename.
3380 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
3381 * but when parsing variables separated by comma
3382 * 'storebase' should point to where the base-type should be kept.
3383 * The base type makes up every bit of type information which comes *before* the
3386 * The following will be parsed in its entirety:
3388 * The 'basetype' in this case is 'void()'
3389 * and if there's a comma after it, say:
3391 * then the type-information 'void()' can be stored in 'storebase'
3393 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
3395 ast_value *var, *tmp;
3398 const char *name = NULL;
3399 bool isfield = false;
3400 bool wasarray = false;
3401 size_t morefields = 0;
3403 ctx = parser_ctx(parser);
3405 /* types may start with a dot */
3406 if (parser->tok == '.') {
3408 /* if we parsed a dot we need a typename now */
3409 if (!parser_next(parser)) {
3410 parseerror(parser, "expected typename for field definition");
3414 /* Further dots are handled seperately because they won't be part of the
3417 while (parser->tok == '.') {
3419 if (!parser_next(parser)) {
3420 parseerror(parser, "expected typename for field definition");
3425 if (parser->tok == TOKEN_IDENT)
3426 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
3427 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
3428 parseerror(parser, "expected typename");
3432 /* generate the basic type value */
3433 if (cached_typedef) {
3434 var = ast_value_copy(cached_typedef);
3435 ast_value_set_name(var, "<type(from_def)>");
3437 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
3439 for (; morefields; --morefields) {
3440 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
3441 tmp->expression.next = (ast_expression*)var;
3445 /* do not yet turn into a field - remember:
3446 * .void() foo; is a field too
3447 * .void()() foo; is a function
3451 if (!parser_next(parser)) {
3453 parseerror(parser, "parse error after typename");
3457 /* an opening paren now starts the parameter-list of a function
3458 * this is where original-QC has parameter lists.
3459 * We allow a single parameter list here.
3460 * Much like fteqcc we don't allow `float()() x`
3462 if (parser->tok == '(') {
3463 var = parse_parameter_list(parser, var);
3468 /* store the base if requested */
3470 *storebase = ast_value_copy(var);
3472 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3473 tmp->expression.next = (ast_expression*)*storebase;
3478 /* there may be a name now */
3479 if (parser->tok == TOKEN_IDENT) {
3480 name = util_strdup(parser_tokval(parser));
3482 if (!parser_next(parser)) {
3484 parseerror(parser, "error after variable or field declaration");
3489 /* now this may be an array */
3490 if (parser->tok == '[') {
3492 var = parse_arraysize(parser, var);
3497 /* This is the point where we can turn it into a field */
3499 /* turn it into a field if desired */
3500 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
3501 tmp->expression.next = (ast_expression*)var;
3505 /* now there may be function parens again */
3506 if (parser->tok == '(' && opts_standard == COMPILER_QCC)
3507 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3508 if (parser->tok == '(' && wasarray)
3509 parseerror(parser, "arrays as part of a return type is not supported");
3510 while (parser->tok == '(') {
3511 var = parse_parameter_list(parser, var);
3520 /* finally name it */
3522 if (!ast_value_set_name(var, name)) {
3524 parseerror(parser, "internal error: failed to set name");
3527 /* free the name, ast_value_set_name duplicates */
3534 static bool parse_typedef(parser_t *parser)
3536 ast_value *typevar, *oldtype;
3537 ast_expression *old;
3539 typevar = parse_typename(parser, NULL, NULL);
3544 if ( (old = parser_find_var(parser, typevar->name)) ) {
3545 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
3546 " -> `%s` has been declared here: %s:%i",
3547 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
3548 ast_delete(typevar);
3552 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
3553 parseerror(parser, "type `%s` has already been declared here: %s:%i",
3554 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
3555 ast_delete(typevar);
3559 vec_push(parser->_typedefs, typevar);
3560 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
3562 if (parser->tok != ';') {
3563 parseerror(parser, "expected semicolon after typedef");
3566 if (!parser_next(parser)) {
3567 parseerror(parser, "parse error after typedef");
3574 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef)
3578 ast_expression *old;
3582 ast_value *basetype = NULL;
3584 bool isparam = false;
3585 bool isvector = false;
3586 bool cleanvar = true;
3587 bool wasarray = false;
3591 /* get the first complete variable */
3592 var = parse_typename(parser, &basetype, cached_typedef);
3595 ast_delete(basetype);
3603 /* Part 0: finish the type */
3604 if (parser->tok == '(') {
3605 if (opts_standard == COMPILER_QCC)
3606 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3607 var = parse_parameter_list(parser, var);
3613 /* we only allow 1-dimensional arrays */
3614 if (parser->tok == '[') {
3616 var = parse_arraysize(parser, var);
3622 if (parser->tok == '(' && wasarray) {
3623 parseerror(parser, "arrays as part of a return type is not supported");
3624 /* we'll still parse the type completely for now */
3626 /* for functions returning functions */
3627 while (parser->tok == '(') {
3628 if (opts_standard == COMPILER_QCC)
3629 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
3630 var = parse_parameter_list(parser, var);
3637 var->cvq = qualifier;
3640 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
3641 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
3642 * is then filled with the previous definition and the parameter-names replaced.
3645 /* Deal with end_sys_ vars */
3647 if (!strcmp(var->name, "end_sys_globals")) {
3648 parser->crc_globals = vec_size(parser->globals);
3651 else if (!strcmp(var->name, "end_sys_fields")) {
3652 parser->crc_fields = vec_size(parser->fields);
3655 if (was_end && var->expression.vtype == TYPE_FIELD) {
3656 if (parsewarning(parser, WARN_END_SYS_FIELDS,
3657 "global '%s' hint should not be a field",
3658 parser_tokval(parser)))
3665 if (!nofields && var->expression.vtype == TYPE_FIELD)
3667 /* deal with field declarations */
3668 old = parser_find_field(parser, var->name);
3670 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
3671 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
3680 parseerror(parser, "field `%s` already declared here: %s:%i",
3681 var->name, ast_ctx(old).file, ast_ctx(old).line);
3686 if (opts_standard == COMPILER_QCC &&
3687 (old = parser_find_global(parser, var->name)))
3689 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3690 parseerror(parser, "field `%s` already declared here: %s:%i",
3691 var->name, ast_ctx(old).file, ast_ctx(old).line);
3698 /* deal with other globals */
3699 old = parser_find_global(parser, var->name);
3700 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
3702 /* This is a function which had a prototype */
3703 if (!ast_istype(old, ast_value)) {
3704 parseerror(parser, "internal error: prototype is not an ast_value");
3708 proto = (ast_value*)old;
3709 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
3710 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
3712 ast_ctx(proto).file, ast_ctx(proto).line);
3716 /* we need the new parameter-names */
3717 for (i = 0; i < vec_size(proto->expression.params); ++i)
3718 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
3726 if (opts_standard == COMPILER_GMQCC) {
3727 parseerror(parser, "global `%s` already declared here: %s:%i",
3728 var->name, ast_ctx(old).file, ast_ctx(old).line);
3732 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
3733 "global `%s` already declared here: %s:%i",
3734 var->name, ast_ctx(old).file, ast_ctx(old).line))
3739 proto = (ast_value*)old;
3740 if (!ast_istype(old, ast_value)) {
3741 parseerror(parser, "internal error: not an ast_value");
3750 if (opts_standard == COMPILER_QCC &&
3751 (old = parser_find_field(parser, var->name)))
3753 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
3754 parseerror(parser, "global `%s` already declared here: %s:%i",
3755 var->name, ast_ctx(old).file, ast_ctx(old).line);
3762 else /* it's not a global */
3764 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
3765 if (old && !isparam) {
3766 parseerror(parser, "local `%s` already declared here: %s:%i",
3767 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3771 old = parser_find_local(parser, var->name, 0, &isparam);
3772 if (old && isparam) {
3773 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
3774 "local `%s` is shadowing a parameter", var->name))
3776 parseerror(parser, "local `%s` already declared here: %s:%i",
3777 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
3781 if (opts_standard != COMPILER_GMQCC) {
3790 * Create the global/local, and deal with vector types.
3793 if (var->expression.vtype == TYPE_VECTOR)
3795 else if (var->expression.vtype == TYPE_FIELD &&
3796 var->expression.next->expression.vtype == TYPE_VECTOR)
3800 if (!create_vector_members(var, me)) {
3807 /* deal with global variables, fields, functions */
3808 if (!nofields && var->expression.vtype == TYPE_FIELD && parser->tok != '=') {
3809 var->isfield = true;
3810 vec_push(parser->fields, (ast_expression*)var);
3811 util_htset(parser->htfields, var->name, var);
3813 for (i = 0; i < 3; ++i) {
3814 vec_push(parser->fields, (ast_expression*)me[i]);
3815 util_htset(parser->htfields, me[i]->name, me[i]);
3820 vec_push(parser->globals, (ast_expression*)var);
3821 util_htset(parser->htglobals, var->name, var);
3823 for (i = 0; i < 3; ++i) {
3824 vec_push(parser->globals, (ast_expression*)me[i]);
3825 util_htset(parser->htglobals, me[i]->name, me[i]);
3830 vec_push(localblock->locals, var);
3831 parser_addlocal(parser, var->name, (ast_expression*)var);
3833 for (i = 0; i < 3; ++i) {
3834 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
3835 ast_block_collect(localblock, (ast_expression*)me[i]);
3841 me[0] = me[1] = me[2] = NULL;
3846 if (var->expression.vtype == TYPE_ARRAY) {
3848 snprintf(name, sizeof(name), "%s##SET", var->name);
3849 if (!parser_create_array_setter(parser, var, name))
3851 snprintf(name, sizeof(name), "%s##GET", var->name);
3852 if (!parser_create_array_getter(parser, var, var->expression.next, name))
3855 else if (!localblock && !nofields &&
3856 var->expression.vtype == TYPE_FIELD &&
3857 var->expression.next->expression.vtype == TYPE_ARRAY)
3860 ast_expression *telem;
3862 ast_value *array = (ast_value*)var->expression.next;
3864 if (!ast_istype(var->expression.next, ast_value)) {
3865 parseerror(parser, "internal error: field element type must be an ast_value");
3869 snprintf(name, sizeof(name), "%s##SETF", var->name);
3870 if (!parser_create_array_field_setter(parser, array, name))
3873 telem = ast_type_copy(ast_ctx(var), array->expression.next);
3874 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
3875 tfield->expression.next = telem;
3876 snprintf(name, sizeof(name), "%s##GETFP", var->name);
3877 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
3885 if (parser->tok == ';') {
3886 ast_delete(basetype);
3887 if (!parser_next(parser)) {
3888 parseerror(parser, "error after variable declaration");
3894 if (parser->tok == ',')
3898 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
3901 parseerror(parser, "missing comma or semicolon while parsing variables");
3905 if (localblock && opts_standard == COMPILER_QCC) {
3906 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
3907 "initializing expression turns variable `%s` into a constant in this standard",
3914 if (parser->tok != '{') {
3915 if (parser->tok != '=') {
3916 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
3920 if (!parser_next(parser)) {
3921 parseerror(parser, "error parsing initializer");
3925 else if (opts_standard == COMPILER_QCC) {
3926 parseerror(parser, "expected '=' before function body in this standard");
3929 if (parser->tok == '#') {
3930 ast_function *func = NULL;
3933 parseerror(parser, "cannot declare builtins within functions");
3936 if (var->expression.vtype != TYPE_FUNCTION) {
3937 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
3940 if (!parser_next(parser)) {
3941 parseerror(parser, "expected builtin number");
3944 if (parser->tok != TOKEN_INTCONST) {
3945 parseerror(parser, "builtin number must be an integer constant");
3948 if (parser_token(parser)->constval.i < 0) {
3949 parseerror(parser, "builtin number must be an integer greater than zero");
3953 if (var->hasvalue) {
3954 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
3955 "builtin `%s` has already been defined\n"
3956 " -> previous declaration here: %s:%i",
3957 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
3961 func = ast_function_new(ast_ctx(var), var->name, var);
3963 parseerror(parser, "failed to allocate function for `%s`", var->name);
3966 vec_push(parser->functions, func);
3968 func->builtin = -parser_token(parser)->constval.i;
3971 if (!parser_next(parser)) {
3972 parseerror(parser, "expected comma or semicolon");
3974 ast_function_delete(func);
3975 var->constval.vfunc = NULL;
3979 else if (parser->tok == '{' || parser->tok == '[')
3983 parseerror(parser, "cannot declare functions within functions");
3988 ast_ctx(proto) = parser_ctx(parser);
3990 if (!parse_function_body(parser, var))
3992 ast_delete(basetype);
3993 for (i = 0; i < vec_size(parser->gotos); ++i)
3994 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
3995 vec_free(parser->gotos);
3996 vec_free(parser->labels);
3999 ast_expression *cexp;
4002 cexp = parse_expression_leave(parser, true);
4007 cval = (ast_value*)cexp;
4008 if (!ast_istype(cval, ast_value) || ((!cval->hasvalue || cval->cvq != CV_CONST) && !cval->isfield))
4009 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
4012 if (opts_standard != COMPILER_GMQCC &&
4013 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4014 qualifier != CV_VAR)
4016 var->cvq = CV_CONST;
4018 var->hasvalue = true;
4019 if (cval->expression.vtype == TYPE_STRING)
4020 var->constval.vstring = parser_strdup(cval->constval.vstring);
4021 else if (cval->expression.vtype == TYPE_FIELD)
4022 var->constval.vfield = cval;
4024 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
4029 shunt sy = { NULL, NULL };
4032 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
4033 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
4034 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
4035 if (!parser_sy_pop(parser, &sy))
4038 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
4039 parseerror(parser, "internal error: leaked operands");
4040 ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
4049 if (parser->tok == ',') {
4050 if (!parser_next(parser)) {
4051 parseerror(parser, "expected another variable");
4055 if (parser->tok != TOKEN_IDENT) {
4056 parseerror(parser, "expected another variable");
4059 var = ast_value_copy(basetype);
4061 ast_value_set_name(var, parser_tokval(parser));
4062 if (!parser_next(parser)) {
4063 parseerror(parser, "error parsing variable declaration");
4069 if (parser->tok != ';') {
4070 parseerror(parser, "missing semicolon after variables");
4074 if (!parser_next(parser)) {
4075 parseerror(parser, "parse error after variable declaration");
4079 ast_delete(basetype);
4083 if (cleanvar && var)
4085 ast_delete(basetype);
4089 ast_delete(basetype);
4090 if (cleanvar && var)
4092 if (me[0]) ast_member_delete(me[0]);
4093 if (me[1]) ast_member_delete(me[1]);
4094 if (me[2]) ast_member_delete(me[2]);
4098 static bool parser_global_statement(parser_t *parser)
4100 ast_value *istype = NULL;
4101 if (parser->tok == TOKEN_IDENT)
4102 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
4104 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
4106 return parse_variable(parser, NULL, false, CV_NONE, istype);
4108 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
4110 if (!strcmp(parser_tokval(parser), "var")) {
4111 if (!parser_next(parser)) {
4112 parseerror(parser, "expected variable declaration after 'var'");
4115 return parse_variable(parser, NULL, true, CV_VAR, NULL);
4118 else if (parser->tok == TOKEN_KEYWORD)
4120 if (!strcmp(parser_tokval(parser), "const")) {
4121 if (!parser_next(parser)) {
4122 parseerror(parser, "expected variable declaration after 'const'");
4125 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
4126 (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
4127 if (!parser_next(parser)) {
4128 parseerror(parser, "expected variable declaration after 'const var'");
4132 return parse_variable(parser, NULL, true, CV_CONST, NULL);
4134 else if (!strcmp(parser_tokval(parser), "typedef")) {
4135 if (!parser_next(parser)) {
4136 parseerror(parser, "expected type definition after 'typedef'");
4139 return parse_typedef(parser);
4141 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
4144 else if (parser->tok == '$')
4146 if (!parser_next(parser)) {
4147 parseerror(parser, "parse error");
4153 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
4159 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
4161 return util_crc16(old, str, strlen(str));
4164 static void progdefs_crc_file(const char *str)
4166 /* write to progdefs.h here */
4170 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
4172 old = progdefs_crc_sum(old, str);
4173 progdefs_crc_file(str);
4177 static void generate_checksum(parser_t *parser)
4179 uint16_t crc = 0xFFFF;
4183 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
4184 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
4186 progdefs_crc_file("\tint\tpad;\n");
4187 progdefs_crc_file("\tint\tofs_return[3];\n");
4188 progdefs_crc_file("\tint\tofs_parm0[3];\n");
4189 progdefs_crc_file("\tint\tofs_parm1[3];\n");
4190 progdefs_crc_file("\tint\tofs_parm2[3];\n");
4191 progdefs_crc_file("\tint\tofs_parm3[3];\n");
4192 progdefs_crc_file("\tint\tofs_parm4[3];\n");
4193 progdefs_crc_file("\tint\tofs_parm5[3];\n");
4194 progdefs_crc_file("\tint\tofs_parm6[3];\n");
4195 progdefs_crc_file("\tint\tofs_parm7[3];\n");
4197 for (i = 0; i < parser->crc_globals; ++i) {
4198 if (!ast_istype(parser->globals[i], ast_value))
4200 value = (ast_value*)(parser->globals[i]);
4201 switch (value->expression.vtype) {
4202 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4203 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4204 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4205 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4207 crc = progdefs_crc_both(crc, "\tint\t");
4210 crc = progdefs_crc_both(crc, value->name);
4211 crc = progdefs_crc_both(crc, ";\n");
4213 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
4214 for (i = 0; i < parser->crc_fields; ++i) {
4215 if (!ast_istype(parser->fields[i], ast_value))
4217 value = (ast_value*)(parser->fields[i]);
4218 switch (value->expression.next->expression.vtype) {
4219 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
4220 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
4221 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
4222 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
4224 crc = progdefs_crc_both(crc, "\tint\t");
4227 crc = progdefs_crc_both(crc, value->name);
4228 crc = progdefs_crc_both(crc, ";\n");
4230 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
4235 static parser_t *parser;
4241 parser = (parser_t*)mem_a(sizeof(parser_t));
4245 memset(parser, 0, sizeof(*parser));
4247 for (i = 0; i < operator_count; ++i) {
4248 if (operators[i].id == opid1('=')) {
4249 parser->assign_op = operators+i;
4253 if (!parser->assign_op) {
4254 printf("internal error: initializing parser: failed to find assign operator\n");
4259 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
4260 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
4261 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
4262 vec_push(parser->_blocktypedefs, 0);
4266 bool parser_compile()
4268 /* initial lexer/parser state */
4269 parser->lex->flags.noops = true;
4271 if (parser_next(parser))
4273 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
4275 if (!parser_global_statement(parser)) {
4276 if (parser->tok == TOKEN_EOF)
4277 parseerror(parser, "unexpected eof");
4278 else if (!parser->errors)
4279 parseerror(parser, "there have been errors, bailing out");
4280 lex_close(parser->lex);
4286 parseerror(parser, "parse error");
4287 lex_close(parser->lex);
4292 lex_close(parser->lex);
4295 return !parser->errors;
4298 bool parser_compile_file(const char *filename)
4300 parser->lex = lex_open(filename);
4302 con_err("failed to open file \"%s\"\n", filename);
4305 return parser_compile();
4308 bool parser_compile_string_len(const char *name, const char *str, size_t len)
4310 parser->lex = lex_open_string(str, len, name);
4312 con_err("failed to create lexer for string \"%s\"\n", name);
4315 return parser_compile();
4318 bool parser_compile_string(const char *name, const char *str)
4320 parser->lex = lex_open_string(str, strlen(str), name);
4322 con_err("failed to create lexer for string \"%s\"\n", name);
4325 return parser_compile();
4328 void parser_cleanup()
4331 for (i = 0; i < vec_size(parser->accessors); ++i) {
4332 ast_delete(parser->accessors[i]->constval.vfunc);
4333 parser->accessors[i]->constval.vfunc = NULL;
4334 ast_delete(parser->accessors[i]);
4336 for (i = 0; i < vec_size(parser->functions); ++i) {
4337 ast_delete(parser->functions[i]);
4339 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4340 ast_delete(parser->imm_vector[i]);
4342 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4343 ast_delete(parser->imm_string[i]);
4345 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4346 ast_delete(parser->imm_float[i]);
4348 for (i = 0; i < vec_size(parser->fields); ++i) {
4349 ast_delete(parser->fields[i]);
4351 for (i = 0; i < vec_size(parser->globals); ++i) {
4352 ast_delete(parser->globals[i]);
4354 vec_free(parser->accessors);
4355 vec_free(parser->functions);
4356 vec_free(parser->imm_vector);
4357 vec_free(parser->imm_string);
4358 vec_free(parser->imm_float);
4359 vec_free(parser->globals);
4360 vec_free(parser->fields);
4362 for (i = 0; i < vec_size(parser->variables); ++i)
4363 util_htdel(parser->variables[i]);
4364 vec_free(parser->variables);
4365 vec_free(parser->_blocklocals);
4366 vec_free(parser->_locals);
4368 for (i = 0; i < vec_size(parser->_typedefs); ++i)
4369 ast_delete(parser->_typedefs[i]);
4370 vec_free(parser->_typedefs);
4371 for (i = 0; i < vec_size(parser->typedefs); ++i)
4372 util_htdel(parser->typedefs[i]);
4373 vec_free(parser->typedefs);
4374 vec_free(parser->_blocktypedefs);
4376 vec_free(parser->_block_ctx);
4378 vec_free(parser->labels);
4379 vec_free(parser->gotos);
4384 bool parser_finish(const char *output)
4390 if (!parser->errors)
4392 ir = ir_builder_new("gmqcc_out");
4394 con_out("failed to allocate builder\n");
4398 for (i = 0; i < vec_size(parser->fields); ++i) {
4401 if (!ast_istype(parser->fields[i], ast_value))
4403 field = (ast_value*)parser->fields[i];
4404 hasvalue = field->hasvalue;
4405 field->hasvalue = false;
4406 if (!ast_global_codegen((ast_value*)field, ir, true)) {
4407 con_out("failed to generate field %s\n", field->name);
4408 ir_builder_delete(ir);
4413 ast_expression *subtype;
4414 field->hasvalue = true;
4415 subtype = field->expression.next;
4416 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
4417 if (subtype->expression.vtype == TYPE_FIELD)
4418 ifld->fieldtype = subtype->expression.next->expression.vtype;
4419 else if (subtype->expression.vtype == TYPE_FUNCTION)
4420 ifld->outtype = subtype->expression.next->expression.vtype;
4421 (void)!ir_value_set_field(field->ir_v, ifld);
4424 for (i = 0; i < vec_size(parser->globals); ++i) {
4426 if (!ast_istype(parser->globals[i], ast_value))
4428 asvalue = (ast_value*)(parser->globals[i]);
4429 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
4430 if (strcmp(asvalue->name, "end_sys_globals") &&
4431 strcmp(asvalue->name, "end_sys_fields"))
4433 retval = retval && !genwarning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
4434 "unused global: `%s`", asvalue->name);
4437 if (!ast_global_codegen(asvalue, ir, false)) {
4438 con_out("failed to generate global %s\n", asvalue->name);
4439 ir_builder_delete(ir);
4443 for (i = 0; i < vec_size(parser->imm_float); ++i) {
4444 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
4445 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
4446 ir_builder_delete(ir);
4450 for (i = 0; i < vec_size(parser->imm_string); ++i) {
4451 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
4452 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
4453 ir_builder_delete(ir);
4457 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
4458 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
4459 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
4460 ir_builder_delete(ir);
4464 for (i = 0; i < vec_size(parser->globals); ++i) {
4466 if (!ast_istype(parser->globals[i], ast_value))
4468 asvalue = (ast_value*)(parser->globals[i]);
4469 if (asvalue->setter) {
4470 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4471 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4472 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4474 printf("failed to generate setter for %s\n", asvalue->name);
4475 ir_builder_delete(ir);
4479 if (asvalue->getter) {
4480 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4481 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4482 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4484 printf("failed to generate getter for %s\n", asvalue->name);
4485 ir_builder_delete(ir);
4490 for (i = 0; i < vec_size(parser->fields); ++i) {
4492 asvalue = (ast_value*)(parser->fields[i]->expression.next);
4494 if (!ast_istype((ast_expression*)asvalue, ast_value))
4496 if (asvalue->expression.vtype != TYPE_ARRAY)
4498 if (asvalue->setter) {
4499 if (!ast_global_codegen(asvalue->setter, ir, false) ||
4500 !ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
4501 !ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
4503 printf("failed to generate setter for %s\n", asvalue->name);
4504 ir_builder_delete(ir);
4508 if (asvalue->getter) {
4509 if (!ast_global_codegen(asvalue->getter, ir, false) ||
4510 !ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
4511 !ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
4513 printf("failed to generate getter for %s\n", asvalue->name);
4514 ir_builder_delete(ir);
4519 for (i = 0; i < vec_size(parser->functions); ++i) {
4520 if (!ast_function_codegen(parser->functions[i], ir)) {
4521 con_out("failed to generate function %s\n", parser->functions[i]->name);
4522 ir_builder_delete(ir);
4527 ir_builder_dump(ir, con_out);
4528 for (i = 0; i < vec_size(parser->functions); ++i) {
4529 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
4530 con_out("failed to finalize function %s\n", parser->functions[i]->name);
4531 ir_builder_delete(ir);
4538 ir_builder_dump(ir, con_out);
4540 generate_checksum(parser);
4542 if (!ir_builder_generate(ir, output)) {
4543 con_out("*** failed to generate output file\n");
4544 ir_builder_delete(ir);
4549 ir_builder_delete(ir);
4553 con_out("*** there were compile errors\n");