2 * Copyright (C) 2012, 2013
6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 /* beginning of locals */
32 #define PARSER_HT_LOCALS 2
34 #define PARSER_HT_SIZE 128
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;
56 ast_value *reserved_version;
61 ast_function *function;
63 /* All the labels the function defined...
64 * Should they be in ast_function instead?
69 const char **continues;
71 /* A list of hashtables for each scope */
77 /* same as above but for the spelling corrector */
78 correct_trie_t **correct_variables;
79 size_t ***correct_variables_score; /* vector of vector of size_t* */
81 /* not to be used directly, we use the hash table */
82 ast_expression **_locals;
84 ast_value **_typedefs;
85 size_t *_blocktypedefs;
88 /* we store the '=' operator info */
89 const oper_info *assign_op;
92 ast_value *const_vec[3];
97 /* collected information */
98 size_t max_param_count;
101 static ast_expression * const intrinsic_debug_typestring = (ast_expression*)0x1;
103 static void parser_enterblock(parser_t *parser);
104 static bool parser_leaveblock(parser_t *parser);
105 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e);
106 static void parser_addglobal(parser_t *parser, const char *name, ast_expression *e);
107 static bool parse_typedef(parser_t *parser);
108 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef, bool noref, bool is_static, uint32_t qflags, char *vstring);
109 static ast_block* parse_block(parser_t *parser);
110 static bool parse_block_into(parser_t *parser, ast_block *block);
111 static bool parse_statement_or_block(parser_t *parser, ast_expression **out);
112 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases);
113 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma, bool truthvalue, bool with_labels);
114 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma, bool with_labels);
115 static ast_value* parser_create_array_setter_proto(parser_t *parser, ast_value *array, const char *funcname);
116 static ast_value* parser_create_array_getter_proto(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname);
117 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
119 static void parseerror(parser_t *parser, const char *fmt, ...)
123 vcompile_error(parser->lex->tok.ctx, fmt, ap);
127 /* returns true if it counts as an error */
128 static bool GMQCC_WARN parsewarning(parser_t *parser, int warntype, const char *fmt, ...)
133 r = vcompile_warning(parser->lex->tok.ctx, warntype, fmt, ap);
138 /**********************************************************************
139 * some maths used for constant folding
142 vector vec3_add(vector a, vector b)
151 vector vec3_sub(vector a, vector b)
160 qcfloat vec3_mulvv(vector a, vector b)
162 return (a.x * b.x + a.y * b.y + a.z * b.z);
165 vector vec3_mulvf(vector a, float b)
174 /**********************************************************************
178 bool parser_next(parser_t *parser)
180 /* lex_do kills the previous token */
181 parser->tok = lex_do(parser->lex);
182 if (parser->tok == TOKEN_EOF)
184 if (parser->tok >= TOKEN_ERROR) {
185 parseerror(parser, "lex error");
191 #define parser_tokval(p) ((p)->lex->tok.value)
192 #define parser_token(p) (&((p)->lex->tok))
193 #define parser_ctx(p) ((p)->lex->tok.ctx)
195 static ast_value* parser_const_float(parser_t *parser, double d)
200 for (i = 0; i < vec_size(parser->imm_float); ++i) {
201 const double compare = parser->imm_float[i]->constval.vfloat;
202 if (memcmp((const void*)&compare, (const void *)&d, sizeof(double)) == 0)
203 return parser->imm_float[i];
206 ctx = parser_ctx(parser);
208 memset(&ctx, 0, sizeof(ctx));
210 out = ast_value_new(ctx, "#IMMEDIATE", TYPE_FLOAT);
212 out->hasvalue = true;
213 out->constval.vfloat = d;
214 vec_push(parser->imm_float, out);
218 static ast_value* parser_const_float_0(parser_t *parser)
220 if (!parser->imm_float_zero)
221 parser->imm_float_zero = parser_const_float(parser, 0);
222 return parser->imm_float_zero;
225 static ast_value* parser_const_float_1(parser_t *parser)
227 if (!parser->imm_float_one)
228 parser->imm_float_one = parser_const_float(parser, 1);
229 return parser->imm_float_one;
232 static char *parser_strdup(const char *str)
235 /* actually dup empty strings */
236 char *out = (char*)mem_a(1);
240 return util_strdup(str);
243 static ast_value* parser_const_string(parser_t *parser, const char *str, bool dotranslate)
247 for (i = 0; i < vec_size(parser->imm_string); ++i) {
248 if (!strcmp(parser->imm_string[i]->constval.vstring, str))
249 return parser->imm_string[i];
253 snprintf(name, sizeof(name), "dotranslate_%lu", (unsigned long)(parser->translated++));
254 out = ast_value_new(parser_ctx(parser), name, TYPE_STRING);
256 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
258 out->hasvalue = true;
259 out->constval.vstring = parser_strdup(str);
260 vec_push(parser->imm_string, out);
264 static ast_value* parser_const_vector(parser_t *parser, vector v)
268 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
269 if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
270 return parser->imm_vector[i];
272 out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
274 out->hasvalue = true;
275 out->constval.vvec = v;
276 vec_push(parser->imm_vector, out);
280 static ast_value* parser_const_vector_f(parser_t *parser, float x, float y, float z)
286 return parser_const_vector(parser, v);
289 static ast_value* parser_const_vector_0(parser_t *parser)
291 if (!parser->imm_vector_zero)
292 parser->imm_vector_zero = parser_const_vector_f(parser, 0, 0, 0);
293 return parser->imm_vector_zero;
296 static ast_expression* parser_find_field(parser_t *parser, const char *name)
298 return ( ast_expression*)util_htget(parser->htfields, name);
301 static ast_expression* parser_find_label(parser_t *parser, const char *name)
304 for(i = 0; i < vec_size(parser->labels); i++)
305 if (!strcmp(parser->labels[i]->name, name))
306 return (ast_expression*)parser->labels[i];
310 static ast_expression* parser_find_global(parser_t *parser, const char *name)
312 return (ast_expression*)util_htget(parser->htglobals, name);
315 static ast_expression* parser_find_param(parser_t *parser, const char *name)
319 if (!parser->function)
321 fun = parser->function->vtype;
322 for (i = 0; i < vec_size(fun->expression.params); ++i) {
323 if (!strcmp(fun->expression.params[i]->name, name))
324 return (ast_expression*)(fun->expression.params[i]);
329 static ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
334 hash = util_hthash(parser->htglobals, name);
337 for (i = vec_size(parser->variables); i > upto;) {
339 if ( (e = (ast_expression*)util_htgeth(parser->variables[i], name, hash)) )
343 return parser_find_param(parser, name);
346 static ast_expression* parser_find_var(parser_t *parser, const char *name)
350 v = parser_find_local(parser, name, 0, &dummy);
351 if (!v) v = parser_find_global(parser, name);
355 static ast_value* parser_find_typedef(parser_t *parser, const char *name, size_t upto)
359 hash = util_hthash(parser->typedefs[0], name);
361 for (i = vec_size(parser->typedefs); i > upto;) {
363 if ( (e = (ast_value*)util_htgeth(parser->typedefs[i], name, hash)) )
371 size_t etype; /* 0 = expression, others are operators */
375 ast_block *block; /* for commas and function calls */
394 static sy_elem syexp(lex_ctx ctx, ast_expression *v) {
405 static sy_elem syblock(lex_ctx ctx, ast_block *v) {
409 e.out = (ast_expression*)v;
416 static sy_elem syop(lex_ctx ctx, const oper_info *op) {
418 e.etype = 1 + (op - operators);
427 static sy_elem syparen(lex_ctx ctx, size_t off) {
438 /* With regular precedence rules, ent.foo[n] is the same as (ent.foo)[n],
439 * so we need to rotate it to become ent.(foo[n]).
441 static bool rotate_entfield_array_index_nodes(ast_expression **out)
443 ast_array_index *index;
444 ast_entfield *entfield;
448 ast_expression *entity;
450 lex_ctx ctx = ast_ctx(*out);
452 if (!ast_istype(*out, ast_array_index))
454 index = (ast_array_index*)*out;
456 if (!ast_istype(index->array, ast_entfield))
458 entfield = (ast_entfield*)index->array;
460 if (!ast_istype(entfield->field, ast_value))
462 field = (ast_value*)entfield->field;
465 entity = entfield->entity;
469 index = ast_array_index_new(ctx, (ast_expression*)field, sub);
470 entfield = ast_entfield_new(ctx, entity, (ast_expression*)index);
471 *out = (ast_expression*)entfield;
476 static bool immediate_is_true(lex_ctx ctx, ast_value *v)
478 switch (v->expression.vtype) {
480 return !!v->constval.vfloat;
482 return !!v->constval.vint;
484 if (OPTS_FLAG(CORRECT_LOGIC))
485 return v->constval.vvec.x &&
486 v->constval.vvec.y &&
489 return !!(v->constval.vvec.x);
491 if (!v->constval.vstring)
493 if (v->constval.vstring && OPTS_FLAG(TRUE_EMPTY_STRINGS))
495 return !!v->constval.vstring[0];
497 compile_error(ctx, "internal error: immediate_is_true on invalid type");
498 return !!v->constval.vfunc;
502 static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
506 ast_expression *out = NULL;
507 ast_expression *exprs[3];
508 ast_block *blocks[3];
509 ast_value *asvalue[3];
510 ast_binstore *asbinstore;
511 size_t i, assignop, addop, subop;
512 qcint generated_op = 0;
517 if (!vec_size(sy->ops)) {
518 parseerror(parser, "internal error: missing operator");
522 if (vec_last(sy->ops).isparen) {
523 parseerror(parser, "unmatched parenthesis");
527 op = &operators[vec_last(sy->ops).etype - 1];
528 ctx = vec_last(sy->ops).ctx;
530 if (vec_size(sy->out) < op->operands) {
531 compile_error(ctx, "internal error: not enough operands: %i (operator %s (%i))", vec_size(sy->out),
532 op->op, (int)op->id);
536 vec_shrinkby(sy->ops, 1);
538 /* op(:?) has no input and no output */
542 vec_shrinkby(sy->out, op->operands);
543 for (i = 0; i < op->operands; ++i) {
544 exprs[i] = sy->out[vec_size(sy->out)+i].out;
545 blocks[i] = sy->out[vec_size(sy->out)+i].block;
546 asvalue[i] = (ast_value*)exprs[i];
548 if (exprs[i]->expression.vtype == TYPE_NOEXPR &&
549 !(i != 0 && op->id == opid2('?',':')) &&
550 !(i == 1 && op->id == opid1('.')))
552 if (ast_istype(exprs[i], ast_label))
553 compile_error(ast_ctx(exprs[i]), "expected expression, got an unknown identifier");
555 compile_error(ast_ctx(exprs[i]), "not an expression");
556 (void)!compile_warning(ast_ctx(exprs[i]), WARN_DEBUG, "expression %u\n", (unsigned int)i);
560 if (blocks[0] && !vec_size(blocks[0]->exprs) && op->id != opid1(',')) {
561 compile_error(ctx, "internal error: operator cannot be applied on empty blocks");
565 #define NotSameType(T) \
566 (exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
567 exprs[0]->expression.vtype != T)
568 #define CanConstFold1(A) \
569 (ast_istype((A), ast_value) && ((ast_value*)(A))->hasvalue && (((ast_value*)(A))->cvq == CV_CONST) &&\
570 (A)->expression.vtype != TYPE_FUNCTION)
571 #define CanConstFold(A, B) \
572 (CanConstFold1(A) && CanConstFold1(B))
573 #define ConstV(i) (asvalue[(i)]->constval.vvec)
574 #define ConstF(i) (asvalue[(i)]->constval.vfloat)
575 #define ConstS(i) (asvalue[(i)]->constval.vstring)
579 compile_error(ctx, "internal error: unhandled operator: %s (%i)", op->op, (int)op->id);
583 if (exprs[0]->expression.vtype == TYPE_VECTOR &&
584 exprs[1]->expression.vtype == TYPE_NOEXPR)
586 if (exprs[1] == (ast_expression*)parser->const_vec[0])
587 out = (ast_expression*)ast_member_new(ctx, exprs[0], 0, NULL);
588 else if (exprs[1] == (ast_expression*)parser->const_vec[1])
589 out = (ast_expression*)ast_member_new(ctx, exprs[0], 1, NULL);
590 else if (exprs[1] == (ast_expression*)parser->const_vec[2])
591 out = (ast_expression*)ast_member_new(ctx, exprs[0], 2, NULL);
593 compile_error(ctx, "access to invalid vector component");
597 else if (exprs[0]->expression.vtype == TYPE_ENTITY) {
598 if (exprs[1]->expression.vtype != TYPE_FIELD) {
599 compile_error(ast_ctx(exprs[1]), "type error: right hand of member-operand should be an entity-field");
602 out = (ast_expression*)ast_entfield_new(ctx, exprs[0], exprs[1]);
604 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
605 compile_error(ast_ctx(exprs[1]), "vectors cannot be accessed this way");
609 compile_error(ast_ctx(exprs[1]), "type error: member-of operator on something that is not an entity or vector");
615 if (exprs[0]->expression.vtype != TYPE_ARRAY &&
616 !(exprs[0]->expression.vtype == TYPE_FIELD &&
617 exprs[0]->expression.next->expression.vtype == TYPE_ARRAY))
619 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
620 compile_error(ast_ctx(exprs[0]), "cannot index value of type %s", ty1);
623 if (exprs[1]->expression.vtype != TYPE_FLOAT) {
624 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
625 compile_error(ast_ctx(exprs[1]), "index must be of type float, not %s", ty1);
628 out = (ast_expression*)ast_array_index_new(ctx, exprs[0], exprs[1]);
629 if (rotate_entfield_array_index_nodes(&out))
632 /* This is not broken in fteqcc anymore */
633 if (OPTS_OPTION_U32(OPTION_STANDARD) != COMPILER_GMQCC) {
634 /* this error doesn't need to make us bail out */
635 (void)!parsewarning(parser, WARN_EXTENSIONS,
636 "accessing array-field members of an entity without parenthesis\n"
637 " -> this is an extension from -std=gmqcc");
644 if (vec_size(sy->paren) && vec_last(sy->paren) == PAREN_FUNC) {
645 vec_push(sy->out, syexp(ctx, exprs[0]));
646 vec_push(sy->out, syexp(ctx, exprs[1]));
647 vec_last(sy->argc)++;
651 if (!ast_block_add_expr(blocks[0], exprs[1]))
654 blocks[0] = ast_block_new(ctx);
655 if (!ast_block_add_expr(blocks[0], exprs[0]) ||
656 !ast_block_add_expr(blocks[0], exprs[1]))
661 if (!ast_block_set_type(blocks[0], exprs[1]))
664 vec_push(sy->out, syblock(ctx, blocks[0]));
671 switch (exprs[0]->expression.vtype) {
673 if (CanConstFold1(exprs[0]))
674 out = (ast_expression*)parser_const_float(parser, -ConstF(0));
676 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F,
677 (ast_expression*)parser_const_float_0(parser),
681 if (CanConstFold1(exprs[0]))
682 out = (ast_expression*)parser_const_vector_f(parser,
683 -ConstV(0).x, -ConstV(0).y, -ConstV(0).z);
685 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V,
686 (ast_expression*)parser_const_vector_0(parser),
690 compile_error(ctx, "invalid types used in expression: cannot negate type %s",
691 type_name[exprs[0]->expression.vtype]);
697 switch (exprs[0]->expression.vtype) {
699 if (CanConstFold1(exprs[0]))
700 out = (ast_expression*)parser_const_float(parser, !ConstF(0));
702 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
705 if (CanConstFold1(exprs[0]))
706 out = (ast_expression*)parser_const_float(parser,
707 (!ConstV(0).x && !ConstV(0).y && !ConstV(0).z));
709 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[0]);
712 if (CanConstFold1(exprs[0])) {
713 if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
714 out = (ast_expression*)parser_const_float(parser, !ConstS(0));
716 out = (ast_expression*)parser_const_float(parser, !ConstS(0) || !*ConstS(0));
718 if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
719 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, exprs[0]);
721 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[0]);
724 /* we don't constant-fold NOT for these types */
726 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_ENT, exprs[0]);
729 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_FNC, exprs[0]);
732 compile_error(ctx, "invalid types used in expression: cannot logically negate type %s",
733 type_name[exprs[0]->expression.vtype]);
739 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
740 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
742 compile_error(ctx, "invalid types used in expression: cannot add type %s and %s",
743 type_name[exprs[0]->expression.vtype],
744 type_name[exprs[1]->expression.vtype]);
747 switch (exprs[0]->expression.vtype) {
749 if (CanConstFold(exprs[0], exprs[1]))
751 out = (ast_expression*)parser_const_float(parser, ConstF(0) + ConstF(1));
754 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F, exprs[0], exprs[1]);
757 if (CanConstFold(exprs[0], exprs[1]))
758 out = (ast_expression*)parser_const_vector(parser, vec3_add(ConstV(0), ConstV(1)));
760 out = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_V, exprs[0], exprs[1]);
763 compile_error(ctx, "invalid types used in expression: cannot add type %s and %s",
764 type_name[exprs[0]->expression.vtype],
765 type_name[exprs[1]->expression.vtype]);
770 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
771 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
773 compile_error(ctx, "invalid types used in expression: cannot subtract type %s from %s",
774 type_name[exprs[1]->expression.vtype],
775 type_name[exprs[0]->expression.vtype]);
778 switch (exprs[0]->expression.vtype) {
780 if (CanConstFold(exprs[0], exprs[1]))
781 out = (ast_expression*)parser_const_float(parser, ConstF(0) - ConstF(1));
783 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, exprs[0], exprs[1]);
786 if (CanConstFold(exprs[0], exprs[1]))
787 out = (ast_expression*)parser_const_vector(parser, vec3_sub(ConstV(0), ConstV(1)));
789 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_V, exprs[0], exprs[1]);
792 compile_error(ctx, "invalid types used in expression: cannot subtract type %s from %s",
793 type_name[exprs[1]->expression.vtype],
794 type_name[exprs[0]->expression.vtype]);
799 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype &&
800 !(exprs[0]->expression.vtype == TYPE_VECTOR &&
801 exprs[1]->expression.vtype == TYPE_FLOAT) &&
802 !(exprs[1]->expression.vtype == TYPE_VECTOR &&
803 exprs[0]->expression.vtype == TYPE_FLOAT)
806 compile_error(ctx, "invalid types used in expression: cannot multiply types %s and %s",
807 type_name[exprs[1]->expression.vtype],
808 type_name[exprs[0]->expression.vtype]);
811 switch (exprs[0]->expression.vtype) {
813 if (exprs[1]->expression.vtype == TYPE_VECTOR)
815 if (CanConstFold(exprs[0], exprs[1]))
816 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(1), ConstF(0)));
818 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_FV, exprs[0], exprs[1]);
822 if (CanConstFold(exprs[0], exprs[1]))
823 out = (ast_expression*)parser_const_float(parser, ConstF(0) * ConstF(1));
825 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, exprs[0], exprs[1]);
829 if (exprs[1]->expression.vtype == TYPE_FLOAT)
831 if (CanConstFold(exprs[0], exprs[1]))
832 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), ConstF(1)));
834 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], exprs[1]);
838 if (CanConstFold(exprs[0], exprs[1]))
839 out = (ast_expression*)parser_const_float(parser, vec3_mulvv(ConstV(0), ConstV(1)));
840 else if (OPTS_OPTIMIZATION(OPTIM_VECTOR_COMPONENTS) && CanConstFold1(exprs[0])) {
841 vector vec = ConstV(0);
842 if (!vec.y && !vec.z) { /* 'n 0 0' * v */
843 ++opts_optimizationcount[OPTIM_VECTOR_COMPONENTS];
844 out = (ast_expression*)ast_member_new(ctx, exprs[1], 0, NULL);
845 out->expression.node.keep = false;
846 ((ast_member*)out)->rvalue = true;
848 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, (ast_expression*)parser_const_float(parser, vec.x), out);
850 else if (!vec.x && !vec.z) { /* '0 n 0' * v */
851 ++opts_optimizationcount[OPTIM_VECTOR_COMPONENTS];
852 out = (ast_expression*)ast_member_new(ctx, exprs[1], 1, NULL);
853 out->expression.node.keep = false;
854 ((ast_member*)out)->rvalue = true;
856 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, (ast_expression*)parser_const_float(parser, vec.y), out);
858 else if (!vec.x && !vec.y) { /* '0 n 0' * v */
859 ++opts_optimizationcount[OPTIM_VECTOR_COMPONENTS];
860 out = (ast_expression*)ast_member_new(ctx, exprs[1], 2, NULL);
861 out->expression.node.keep = false;
862 ((ast_member*)out)->rvalue = true;
864 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, (ast_expression*)parser_const_float(parser, vec.z), out);
867 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
869 else if (OPTS_OPTIMIZATION(OPTIM_VECTOR_COMPONENTS) && CanConstFold1(exprs[1])) {
870 vector vec = ConstV(1);
871 if (!vec.y && !vec.z) { /* v * 'n 0 0' */
872 ++opts_optimizationcount[OPTIM_VECTOR_COMPONENTS];
873 out = (ast_expression*)ast_member_new(ctx, exprs[0], 0, NULL);
874 out->expression.node.keep = false;
875 ((ast_member*)out)->rvalue = true;
877 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, out, (ast_expression*)parser_const_float(parser, vec.x));
879 else if (!vec.x && !vec.z) { /* v * '0 n 0' */
880 ++opts_optimizationcount[OPTIM_VECTOR_COMPONENTS];
881 out = (ast_expression*)ast_member_new(ctx, exprs[0], 1, NULL);
882 out->expression.node.keep = false;
883 ((ast_member*)out)->rvalue = true;
885 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, out, (ast_expression*)parser_const_float(parser, vec.y));
887 else if (!vec.x && !vec.y) { /* v * '0 n 0' */
888 ++opts_optimizationcount[OPTIM_VECTOR_COMPONENTS];
889 out = (ast_expression*)ast_member_new(ctx, exprs[0], 2, NULL);
890 out->expression.node.keep = false;
891 ((ast_member*)out)->rvalue = true;
893 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_F, out, (ast_expression*)parser_const_float(parser, vec.z));
896 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
899 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_V, exprs[0], exprs[1]);
903 compile_error(ctx, "invalid types used in expression: cannot multiply types %s and %s",
904 type_name[exprs[1]->expression.vtype],
905 type_name[exprs[0]->expression.vtype]);
910 if (exprs[1]->expression.vtype != TYPE_FLOAT) {
911 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
912 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
913 compile_error(ctx, "invalid types used in expression: cannot divide tyeps %s and %s", ty1, ty2);
916 if (exprs[0]->expression.vtype == TYPE_FLOAT) {
917 if (CanConstFold(exprs[0], exprs[1]))
918 out = (ast_expression*)parser_const_float(parser, ConstF(0) / ConstF(1));
920 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F, exprs[0], exprs[1]);
922 else if (exprs[0]->expression.vtype == TYPE_VECTOR) {
923 if (CanConstFold(exprs[0], exprs[1]))
924 out = (ast_expression*)parser_const_vector(parser, vec3_mulvf(ConstV(0), 1.0/ConstF(1)));
926 if (CanConstFold1(exprs[1])) {
927 out = (ast_expression*)parser_const_float(parser, 1.0 / ConstF(1));
929 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
930 (ast_expression*)parser_const_float_1(parser),
934 compile_error(ctx, "internal error: failed to generate division");
937 out = (ast_expression*)ast_binary_new(ctx, INSTR_MUL_VF, exprs[0], out);
942 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
943 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
944 compile_error(ctx, "invalid types used in expression: cannot divide tyeps %s and %s", ty1, ty2);
950 compile_error(ctx, "qc does not have a modulo operator");
955 if (NotSameType(TYPE_FLOAT)) {
956 compile_error(ctx, "invalid types used in expression: cannot perform bit operations between types %s and %s",
957 type_name[exprs[0]->expression.vtype],
958 type_name[exprs[1]->expression.vtype]);
961 if (CanConstFold(exprs[0], exprs[1]))
962 out = (ast_expression*)parser_const_float(parser,
963 (op->id == opid1('|') ? (float)( ((qcint)ConstF(0)) | ((qcint)ConstF(1)) ) :
964 (float)( ((qcint)ConstF(0)) & ((qcint)ConstF(1)) ) ));
966 out = (ast_expression*)ast_binary_new(ctx,
967 (op->id == opid1('|') ? INSTR_BITOR : INSTR_BITAND),
971 compile_error(ast_ctx(exprs[0]), "Not Yet Implemented: bit-xor via ^");
976 if (CanConstFold(exprs[0], exprs[1]) && ! NotSameType(TYPE_FLOAT)) {
977 if (op->id == opid2('<','<'))
978 out = (ast_expression*)parser_const_float(parser, (double)((int)(ConstF(0)) << (int)(ConstF(1))));
980 out = (ast_expression*)parser_const_float(parser, (double)((int)(ConstF(0)) >> (int)(ConstF(1))));
983 case opid3('<','<','='):
984 case opid3('>','>','='):
985 compile_error(ast_ctx(exprs[0]), "Not Yet Implemented: bit-shifts");
989 generated_op += 1; /* INSTR_OR */
991 generated_op += INSTR_AND;
992 if (CanConstFold(exprs[0], exprs[1]))
994 if (OPTS_FLAG(PERL_LOGIC)) {
995 if (immediate_is_true(ctx, asvalue[0]))
999 out = (ast_expression*)parser_const_float(parser,
1000 ( (generated_op == INSTR_OR)
1001 ? (immediate_is_true(ctx, asvalue[0]) || immediate_is_true(ctx, asvalue[1]))
1002 : (immediate_is_true(ctx, asvalue[0]) && immediate_is_true(ctx, asvalue[1])) )
1007 if (OPTS_FLAG(PERL_LOGIC) && !ast_compare_type(exprs[0], exprs[1])) {
1008 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1009 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1010 compile_error(ctx, "invalid types for logical operation with -fperl-logic: %s and %s", ty1, ty2);
1013 for (i = 0; i < 2; ++i) {
1014 if (OPTS_FLAG(CORRECT_LOGIC) && exprs[i]->expression.vtype == TYPE_VECTOR) {
1015 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_V, exprs[i]);
1017 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, out);
1019 exprs[i] = out; out = NULL;
1020 if (OPTS_FLAG(PERL_LOGIC)) {
1021 /* here we want to keep the right expressions' type */
1025 else if (OPTS_FLAG(FALSE_EMPTY_STRINGS) && exprs[i]->expression.vtype == TYPE_STRING) {
1026 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_S, exprs[i]);
1028 out = (ast_expression*)ast_unary_new(ctx, INSTR_NOT_F, out);
1030 exprs[i] = out; out = NULL;
1031 if (OPTS_FLAG(PERL_LOGIC)) {
1032 /* here we want to keep the right expressions' type */
1037 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
1041 case opid2('?',':'):
1042 if (vec_last(sy->paren) != PAREN_TERNARY2) {
1043 compile_error(ctx, "mismatched parenthesis/ternary");
1047 if (!ast_compare_type(exprs[1], exprs[2])) {
1048 ast_type_to_string(exprs[1], ty1, sizeof(ty1));
1049 ast_type_to_string(exprs[2], ty2, sizeof(ty2));
1050 compile_error(ctx, "operands of ternary expression must have the same type, got %s and %s", ty1, ty2);
1053 if (CanConstFold1(exprs[0]))
1054 out = (immediate_is_true(ctx, asvalue[0]) ? exprs[1] : exprs[2]);
1056 out = (ast_expression*)ast_ternary_new(ctx, exprs[0], exprs[1], exprs[2]);
1060 generated_op += 1; /* INSTR_GT */
1062 generated_op += 1; /* INSTR_LT */
1063 case opid2('>', '='):
1064 generated_op += 1; /* INSTR_GE */
1065 case opid2('<', '='):
1066 generated_op += INSTR_LE;
1067 if (NotSameType(TYPE_FLOAT)) {
1068 compile_error(ctx, "invalid types used in expression: cannot perform comparison between types %s and %s",
1069 type_name[exprs[0]->expression.vtype],
1070 type_name[exprs[1]->expression.vtype]);
1073 out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
1075 case opid2('!', '='):
1076 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
1077 compile_error(ctx, "invalid types used in expression: cannot perform comparison between types %s and %s",
1078 type_name[exprs[0]->expression.vtype],
1079 type_name[exprs[1]->expression.vtype]);
1082 out = (ast_expression*)ast_binary_new(ctx, type_ne_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
1084 case opid2('=', '='):
1085 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
1086 compile_error(ctx, "invalid types used in expression: cannot perform comparison between types %s and %s",
1087 type_name[exprs[0]->expression.vtype],
1088 type_name[exprs[1]->expression.vtype]);
1091 out = (ast_expression*)ast_binary_new(ctx, type_eq_instr[exprs[0]->expression.vtype], exprs[0], exprs[1]);
1095 if (ast_istype(exprs[0], ast_entfield)) {
1096 ast_expression *field = ((ast_entfield*)exprs[0])->field;
1097 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
1098 exprs[0]->expression.vtype == TYPE_FIELD &&
1099 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
1101 assignop = type_storep_instr[TYPE_VECTOR];
1104 assignop = type_storep_instr[exprs[0]->expression.vtype];
1105 if (assignop == VINSTR_END || !ast_compare_type(field->expression.next, exprs[1]))
1107 ast_type_to_string(field->expression.next, ty1, sizeof(ty1));
1108 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1109 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
1110 field->expression.next->expression.vtype == TYPE_FUNCTION &&
1111 exprs[1]->expression.vtype == TYPE_FUNCTION)
1113 (void)!compile_warning(ctx, WARN_ASSIGN_FUNCTION_TYPES,
1114 "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
1117 compile_error(ctx, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
1122 if (OPTS_FLAG(ADJUST_VECTOR_FIELDS) &&
1123 exprs[0]->expression.vtype == TYPE_FIELD &&
1124 exprs[0]->expression.next->expression.vtype == TYPE_VECTOR)
1126 assignop = type_store_instr[TYPE_VECTOR];
1129 assignop = type_store_instr[exprs[0]->expression.vtype];
1132 if (assignop == VINSTR_END) {
1133 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1134 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1135 compile_error(ctx, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
1137 else if (!ast_compare_type(exprs[0], exprs[1]))
1139 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1140 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1141 if (OPTS_FLAG(ASSIGN_FUNCTION_TYPES) &&
1142 exprs[0]->expression.vtype == TYPE_FUNCTION &&
1143 exprs[1]->expression.vtype == TYPE_FUNCTION)
1145 (void)!compile_warning(ctx, WARN_ASSIGN_FUNCTION_TYPES,
1146 "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
1149 compile_error(ctx, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
1152 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1153 compile_error(ctx, "assignment to constant `%s`", asvalue[0]->name);
1155 out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
1157 case opid3('+','+','P'):
1158 case opid3('-','-','P'):
1160 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
1161 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1162 compile_error(ast_ctx(exprs[0]), "invalid type for prefix increment: %s", ty1);
1165 if (op->id == opid3('+','+','P'))
1166 addop = INSTR_ADD_F;
1168 addop = INSTR_SUB_F;
1169 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1170 compile_error(ast_ctx(exprs[0]), "assignment to constant `%s`", asvalue[0]->name);
1172 if (ast_istype(exprs[0], ast_entfield)) {
1173 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
1175 (ast_expression*)parser_const_float_1(parser));
1177 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
1179 (ast_expression*)parser_const_float_1(parser));
1182 case opid3('S','+','+'):
1183 case opid3('S','-','-'):
1185 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
1186 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1187 compile_error(ast_ctx(exprs[0]), "invalid type for suffix increment: %s", ty1);
1190 if (op->id == opid3('S','+','+')) {
1191 addop = INSTR_ADD_F;
1192 subop = INSTR_SUB_F;
1194 addop = INSTR_SUB_F;
1195 subop = INSTR_ADD_F;
1197 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1198 compile_error(ast_ctx(exprs[0]), "assignment to constant `%s`", asvalue[0]->name);
1200 if (ast_istype(exprs[0], ast_entfield)) {
1201 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
1203 (ast_expression*)parser_const_float_1(parser));
1205 out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
1207 (ast_expression*)parser_const_float_1(parser));
1211 out = (ast_expression*)ast_binary_new(ctx, subop,
1213 (ast_expression*)parser_const_float_1(parser));
1215 case opid2('+','='):
1216 case opid2('-','='):
1217 if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
1218 (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
1220 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1221 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1222 compile_error(ctx, "invalid types used in expression: cannot add or subtract type %s and %s",
1226 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1227 compile_error(ctx, "assignment to constant `%s`", asvalue[0]->name);
1229 if (ast_istype(exprs[0], ast_entfield))
1230 assignop = type_storep_instr[exprs[0]->expression.vtype];
1232 assignop = type_store_instr[exprs[0]->expression.vtype];
1233 switch (exprs[0]->expression.vtype) {
1235 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1236 (op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
1237 exprs[0], exprs[1]);
1240 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1241 (op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
1242 exprs[0], exprs[1]);
1245 compile_error(ctx, "invalid types used in expression: cannot add or subtract type %s and %s",
1246 type_name[exprs[0]->expression.vtype],
1247 type_name[exprs[1]->expression.vtype]);
1251 case opid2('*','='):
1252 case opid2('/','='):
1253 if (exprs[1]->expression.vtype != TYPE_FLOAT ||
1254 !(exprs[0]->expression.vtype == TYPE_FLOAT ||
1255 exprs[0]->expression.vtype == TYPE_VECTOR))
1257 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1258 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1259 compile_error(ctx, "invalid types used in expression: %s and %s",
1263 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1264 compile_error(ctx, "assignment to constant `%s`", asvalue[0]->name);
1266 if (ast_istype(exprs[0], ast_entfield))
1267 assignop = type_storep_instr[exprs[0]->expression.vtype];
1269 assignop = type_store_instr[exprs[0]->expression.vtype];
1270 switch (exprs[0]->expression.vtype) {
1272 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1273 (op->id == opid2('*','=') ? INSTR_MUL_F : INSTR_DIV_F),
1274 exprs[0], exprs[1]);
1277 if (op->id == opid2('*','=')) {
1278 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1279 exprs[0], exprs[1]);
1281 /* there's no DIV_VF */
1282 if (CanConstFold1(exprs[1])) {
1283 out = (ast_expression*)parser_const_float(parser, 1.0 / ConstF(1));
1285 out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
1286 (ast_expression*)parser_const_float_1(parser),
1290 compile_error(ctx, "internal error: failed to generate division");
1293 out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
1298 compile_error(ctx, "invalid types used in expression: cannot add or subtract type %s and %s",
1299 type_name[exprs[0]->expression.vtype],
1300 type_name[exprs[1]->expression.vtype]);
1304 case opid2('&','='):
1305 case opid2('|','='):
1306 if (NotSameType(TYPE_FLOAT)) {
1307 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1308 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1309 compile_error(ctx, "invalid types used in expression: %s and %s",
1313 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1314 compile_error(ctx, "assignment to constant `%s`", asvalue[0]->name);
1316 if (ast_istype(exprs[0], ast_entfield))
1317 assignop = type_storep_instr[exprs[0]->expression.vtype];
1319 assignop = type_store_instr[exprs[0]->expression.vtype];
1320 out = (ast_expression*)ast_binstore_new(ctx, assignop,
1321 (op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
1322 exprs[0], exprs[1]);
1324 case opid3('&','~','='):
1325 /* This is like: a &= ~(b);
1326 * But QC has no bitwise-not, so we implement it as
1329 if (NotSameType(TYPE_FLOAT)) {
1330 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1331 ast_type_to_string(exprs[1], ty2, sizeof(ty2));
1332 compile_error(ctx, "invalid types used in expression: %s and %s",
1336 if (ast_istype(exprs[0], ast_entfield))
1337 assignop = type_storep_instr[exprs[0]->expression.vtype];
1339 assignop = type_store_instr[exprs[0]->expression.vtype];
1340 out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
1343 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1344 compile_error(ctx, "assignment to constant `%s`", asvalue[0]->name);
1346 asbinstore = ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
1347 asbinstore->keep_dest = true;
1348 out = (ast_expression*)asbinstore;
1351 case opid2('~', 'P'):
1352 if (exprs[0]->expression.vtype != TYPE_FLOAT) {
1353 ast_type_to_string(exprs[0], ty1, sizeof(ty1));
1354 compile_error(ast_ctx(exprs[0]), "invalid type for bit not: %s", ty1);
1358 if (ast_istype(exprs[0], ast_value) && asvalue[0]->cvq == CV_CONST) {
1359 compile_error(ast_ctx(exprs[0]), "assignment to constant `%s`", asvalue[0]->name);
1362 out = (ast_expression*)ast_binary_new(ctx, INSTR_SUB_F, (ast_expression*)parser_const_float(parser, -1), exprs[0]);
1369 compile_error(ctx, "failed to apply operator %s", op->op);
1373 vec_push(sy->out, syexp(ctx, out));
1377 static bool parser_close_call(parser_t *parser, shunt *sy)
1379 /* was a function call */
1380 ast_expression *fun;
1381 ast_value *funval = NULL;
1385 size_t paramcount, i;
1387 fid = vec_last(sy->ops).off;
1388 vec_shrinkby(sy->ops, 1);
1390 /* out[fid] is the function
1391 * everything above is parameters...
1393 if (!vec_size(sy->argc)) {
1394 parseerror(parser, "internal error: no argument counter available");
1398 paramcount = vec_last(sy->argc);
1401 if (vec_size(sy->out) < fid) {
1402 parseerror(parser, "internal error: broken function call%lu < %lu+%lu\n",
1403 (unsigned long)vec_size(sy->out),
1405 (unsigned long)paramcount);
1409 fun = sy->out[fid].out;
1411 if (fun == intrinsic_debug_typestring) {
1413 if (fid+2 != vec_size(sy->out) ||
1414 vec_last(sy->out).block)
1416 parseerror(parser, "intrinsic __builtin_debug_typestring requires exactly 1 parameter");
1419 ast_type_to_string(vec_last(sy->out).out, ty, sizeof(ty));
1420 ast_unref(vec_last(sy->out).out);
1421 sy->out[fid] = syexp(ast_ctx(vec_last(sy->out).out),
1422 (ast_expression*)parser_const_string(parser, ty, false));
1423 vec_shrinkby(sy->out, 1);
1427 call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
1431 if (fid+1 < vec_size(sy->out))
1434 if (fid+1 + paramcount != vec_size(sy->out)) {
1435 parseerror(parser, "internal error: parameter count mismatch: (%lu+1+%lu), %lu",
1436 (unsigned long)fid, (unsigned long)paramcount, (unsigned long)vec_size(sy->out));
1440 for (i = 0; i < paramcount; ++i)
1441 vec_push(call->params, sy->out[fid+1 + i].out);
1442 vec_shrinkby(sy->out, paramcount);
1443 (void)!ast_call_check_types(call);
1444 if (parser->max_param_count < paramcount)
1445 parser->max_param_count = paramcount;
1447 if (ast_istype(fun, ast_value)) {
1448 funval = (ast_value*)fun;
1449 if ((fun->expression.flags & AST_FLAG_VARIADIC) &&
1450 !(/*funval->cvq == CV_CONST && */ funval->hasvalue && funval->constval.vfunc->builtin))
1452 call->va_count = (ast_expression*)parser_const_float(parser, (double)paramcount);
1456 /* overwrite fid, the function, with a call */
1457 sy->out[fid] = syexp(call->expression.node.context, (ast_expression*)call);
1459 if (fun->expression.vtype != TYPE_FUNCTION) {
1460 parseerror(parser, "not a function (%s)", type_name[fun->expression.vtype]);
1464 if (!fun->expression.next) {
1465 parseerror(parser, "could not determine function return type");
1468 ast_value *fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
1470 if (fun->expression.flags & AST_FLAG_DEPRECATED) {
1472 return !parsewarning(parser, WARN_DEPRECATED,
1473 "call to function (which is marked deprecated)\n",
1474 "-> it has been declared here: %s:%i",
1475 ast_ctx(fun).file, ast_ctx(fun).line);
1478 return !parsewarning(parser, WARN_DEPRECATED,
1479 "call to `%s` (which is marked deprecated)\n"
1480 "-> `%s` declared here: %s:%i",
1481 fval->name, fval->name, ast_ctx(fun).file, ast_ctx(fun).line);
1483 return !parsewarning(parser, WARN_DEPRECATED,
1484 "call to `%s` (deprecated: %s)\n"
1485 "-> `%s` declared here: %s:%i",
1486 fval->name, fval->desc, fval->name, ast_ctx(fun).file,
1490 if (vec_size(fun->expression.params) != paramcount &&
1491 !((fun->expression.flags & AST_FLAG_VARIADIC) &&
1492 vec_size(fun->expression.params) < paramcount))
1494 const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
1496 return !parsewarning(parser, WARN_INVALID_PARAMETER_COUNT,
1497 "too %s parameters for call to %s: expected %i, got %i\n"
1498 " -> `%s` has been declared here: %s:%i",
1499 fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
1500 fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
1502 return !parsewarning(parser, WARN_INVALID_PARAMETER_COUNT,
1503 "too %s parameters for function call: expected %i, got %i\n"
1504 " -> it has been declared here: %s:%i",
1505 fewmany, (int)vec_size(fun->expression.params), (int)paramcount,
1506 ast_ctx(fun).file, (int)ast_ctx(fun).line);
1513 static bool parser_close_paren(parser_t *parser, shunt *sy)
1515 if (!vec_size(sy->ops)) {
1516 parseerror(parser, "unmatched closing paren");
1520 while (vec_size(sy->ops)) {
1521 if (vec_last(sy->ops).isparen) {
1522 if (vec_last(sy->paren) == PAREN_FUNC) {
1524 if (!parser_close_call(parser, sy))
1528 if (vec_last(sy->paren) == PAREN_EXPR) {
1530 if (!vec_size(sy->out)) {
1531 compile_error(vec_last(sy->ops).ctx, "empty paren expression");
1532 vec_shrinkby(sy->ops, 1);
1535 vec_shrinkby(sy->ops, 1);
1538 if (vec_last(sy->paren) == PAREN_INDEX) {
1540 /* pop off the parenthesis */
1541 vec_shrinkby(sy->ops, 1);
1542 /* then apply the index operator */
1543 if (!parser_sy_apply_operator(parser, sy))
1547 if (vec_last(sy->paren) == PAREN_TERNARY1) {
1548 vec_last(sy->paren) = PAREN_TERNARY2;
1549 /* pop off the parenthesis */
1550 vec_shrinkby(sy->ops, 1);
1553 compile_error(vec_last(sy->ops).ctx, "invalid parenthesis");
1556 if (!parser_sy_apply_operator(parser, sy))
1562 static void parser_reclassify_token(parser_t *parser)
1565 for (i = 0; i < operator_count; ++i) {
1566 if (!strcmp(parser_tokval(parser), operators[i].op)) {
1567 parser->tok = TOKEN_OPERATOR;
1573 static ast_expression* parse_vararg_do(parser_t *parser)
1575 ast_expression *idx, *out;
1577 ast_value *funtype = parser->function->vtype;
1579 lex_ctx ctx = parser_ctx(parser);
1581 if (!parser_next(parser) || parser->tok != '(') {
1582 parseerror(parser, "expected parameter index and type in parenthesis");
1585 if (!parser_next(parser)) {
1586 parseerror(parser, "error parsing parameter index");
1590 idx = parse_expression_leave(parser, true, false, false);
1594 if (parser->tok != ',') {
1596 parseerror(parser, "expected comma after parameter index");
1600 if (!parser_next(parser) || (parser->tok != TOKEN_IDENT && parser->tok != TOKEN_TYPENAME)) {
1602 parseerror(parser, "expected typename for vararg");
1606 typevar = parse_typename(parser, NULL, NULL);
1612 if (parser->tok != ')') {
1614 ast_delete(typevar);
1615 parseerror(parser, "expected closing paren");
1620 if (!parser_next(parser)) {
1622 ast_delete(typevar);
1623 parseerror(parser, "parse error after vararg");
1628 if (!parser->function->varargs) {
1630 ast_delete(typevar);
1631 parseerror(parser, "function has no variable argument list");
1635 if (funtype->expression.varparam &&
1636 !ast_compare_type((ast_expression*)typevar, (ast_expression*)funtype->expression.varparam))
1640 ast_type_to_string((ast_expression*)typevar, ty1, sizeof(ty1));
1641 ast_type_to_string((ast_expression*)funtype->expression.varparam, ty2, sizeof(ty2));
1642 compile_error(ast_ctx(typevar),
1643 "function was declared to take varargs of type `%s`, requested type is: %s",
1647 out = (ast_expression*)ast_array_index_new(ctx, (ast_expression*)(parser->function->varargs), idx);
1648 ast_type_adopt(out, typevar);
1649 ast_delete(typevar);
1653 static ast_expression* parse_vararg(parser_t *parser)
1655 bool old_noops = parser->lex->flags.noops;
1657 ast_expression *out;
1659 parser->lex->flags.noops = true;
1660 out = parse_vararg_do(parser);
1662 parser->lex->flags.noops = old_noops;
1666 static bool parse_sya_operand(parser_t *parser, shunt *sy, bool with_labels)
1668 if (OPTS_FLAG(TRANSLATABLE_STRINGS) &&
1669 parser->tok == TOKEN_IDENT &&
1670 !strcmp(parser_tokval(parser), "_"))
1672 /* a translatable string */
1675 parser->lex->flags.noops = true;
1676 if (!parser_next(parser) || parser->tok != '(') {
1677 parseerror(parser, "use _(\"string\") to create a translatable string constant");
1680 parser->lex->flags.noops = false;
1681 if (!parser_next(parser) || parser->tok != TOKEN_STRINGCONST) {
1682 parseerror(parser, "expected a constant string in translatable-string extension");
1685 val = parser_const_string(parser, parser_tokval(parser), true);
1688 vec_push(sy->out, syexp(parser_ctx(parser), (ast_expression*)val));
1690 if (!parser_next(parser) || parser->tok != ')') {
1691 parseerror(parser, "expected closing paren after translatable string");
1696 else if (parser->tok == TOKEN_DOTS)
1699 if (!OPTS_FLAG(VARIADIC_ARGS)) {
1700 parseerror(parser, "cannot access varargs (try -fvariadic-args)");
1703 va = parse_vararg(parser);
1706 vec_push(sy->out, syexp(parser_ctx(parser), va));
1709 else if (parser->tok == TOKEN_FLOATCONST) {
1711 val = parser_const_float(parser, (parser_token(parser)->constval.f));
1714 vec_push(sy->out, syexp(parser_ctx(parser), (ast_expression*)val));
1717 else if (parser->tok == TOKEN_INTCONST || parser->tok == TOKEN_CHARCONST) {
1719 val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
1722 vec_push(sy->out, syexp(parser_ctx(parser), (ast_expression*)val));
1725 else if (parser->tok == TOKEN_STRINGCONST) {
1727 val = parser_const_string(parser, parser_tokval(parser), false);
1730 vec_push(sy->out, syexp(parser_ctx(parser), (ast_expression*)val));
1733 else if (parser->tok == TOKEN_VECTORCONST) {
1735 val = parser_const_vector(parser, parser_token(parser)->constval.v);
1738 vec_push(sy->out, syexp(parser_ctx(parser), (ast_expression*)val));
1741 else if (parser->tok == TOKEN_IDENT)
1743 const char *ctoken = parser_tokval(parser);
1744 ast_expression *prev = vec_size(sy->out) ? vec_last(sy->out).out : NULL;
1745 ast_expression *var;
1746 /* a_vector.{x,y,z} */
1747 if (!vec_size(sy->ops) ||
1748 !vec_last(sy->ops).etype ||
1749 operators[vec_last(sy->ops).etype-1].id != opid1('.') ||
1750 (prev >= intrinsic_debug_typestring &&
1751 prev <= intrinsic_debug_typestring))
1753 /* When adding more intrinsics, fix the above condition */
1756 if (prev && prev->expression.vtype == TYPE_VECTOR && ctoken[0] >= 'x' && ctoken[0] <= 'z' && !ctoken[1])
1758 var = (ast_expression*)parser->const_vec[ctoken[0]-'x'];
1760 var = parser_find_var(parser, parser_tokval(parser));
1762 var = parser_find_field(parser, parser_tokval(parser));
1764 if (!var && with_labels) {
1765 var = (ast_expression*)parser_find_label(parser, parser_tokval(parser));
1767 ast_label *lbl = ast_label_new(parser_ctx(parser), parser_tokval(parser), true);
1768 var = (ast_expression*)lbl;
1769 vec_push(parser->labels, lbl);
1774 if (!strcmp(parser_tokval(parser), "__builtin_debug_typestring")) {
1775 var = (ast_expression*)intrinsic_debug_typestring;
1779 char *correct = NULL;
1783 * sometimes people use preprocessing predefs without enabling them
1784 * i've done this thousands of times already myself. Lets check for
1785 * it in the predef table. And diagnose it better :)
1787 if (!OPTS_FLAG(FTEPP_PREDEFS)) {
1788 for (i = 0; i < sizeof(ftepp_predefs)/sizeof(*ftepp_predefs); i++) {
1789 if (!strcmp(ftepp_predefs[i].name, parser_tokval(parser))) {
1790 parseerror(parser, "unexpected ident: %s (use -fftepp-predef to enable pre-defined macros)", parser_tokval(parser));
1797 * TODO: determine the best score for the identifier: be it
1798 * a variable, a field.
1800 * We should also consider adding correction tables for
1801 * other things as well.
1803 if (OPTS_OPTION_BOOL(OPTION_CORRECTION)) {
1805 correct_init(&corr);
1807 for (i = 0; i < vec_size(parser->correct_variables); i++) {
1808 correct = correct_str(&corr, parser->correct_variables[i], parser_tokval(parser));
1809 if (strcmp(correct, parser_tokval(parser))) {
1811 } else if (correct) {
1816 correct_free(&corr);
1819 parseerror(parser, "unexpected ident: %s (did you mean %s?)", parser_tokval(parser), correct);
1824 parseerror(parser, "unexpected ident: %s", parser_tokval(parser));
1830 if (ast_istype(var, ast_value)) {
1831 ((ast_value*)var)->uses++;
1833 else if (ast_istype(var, ast_member)) {
1834 ast_member *mem = (ast_member*)var;
1835 if (ast_istype(mem->owner, ast_value))
1836 ((ast_value*)(mem->owner))->uses++;
1839 vec_push(sy->out, syexp(parser_ctx(parser), var));
1842 parseerror(parser, "unexpected token `%s`", parser_tokval(parser));
1846 static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma, bool truthvalue, bool with_labels)
1848 ast_expression *expr = NULL;
1851 bool wantop = false;
1852 /* only warn once about an assignment in a truth value because the current code
1853 * would trigger twice on: if(a = b && ...), once for the if-truth-value, once for the && part
1855 bool warn_truthvalue = true;
1857 /* count the parens because an if starts with one, so the
1858 * end of a condition is an unmatched closing paren
1862 memset(&sy, 0, sizeof(sy));
1864 parser->lex->flags.noops = false;
1866 parser_reclassify_token(parser);
1870 if (parser->tok == TOKEN_TYPENAME) {
1871 parseerror(parser, "unexpected typename");
1875 if (parser->tok == TOKEN_OPERATOR)
1877 /* classify the operator */
1878 const oper_info *op;
1879 const oper_info *olast = NULL;
1881 for (o = 0; o < operator_count; ++o) {
1882 if (((!(operators[o].flags & OP_PREFIX) == !!wantop)) &&
1883 /* !(operators[o].flags & OP_SUFFIX) && / * remove this */
1884 !strcmp(parser_tokval(parser), operators[o].op))
1889 if (o == operator_count) {
1890 /* no operator found... must be the end of the statement */
1893 /* found an operator */
1896 /* when declaring variables, a comma starts a new variable */
1897 if (op->id == opid1(',') && !vec_size(sy.paren) && stopatcomma) {
1898 /* fixup the token */
1903 /* a colon without a pervious question mark cannot be a ternary */
1904 if (!ternaries && op->id == opid2(':','?')) {
1909 if (op->id == opid1(',')) {
1910 if (vec_size(sy.paren) && vec_last(sy.paren) == PAREN_TERNARY2) {
1911 (void)!parsewarning(parser, WARN_TERNARY_PRECEDENCE, "suggesting parenthesis around ternary expression");
1915 if (vec_size(sy.ops) && !vec_last(sy.ops).isparen)
1916 olast = &operators[vec_last(sy.ops).etype-1];
1918 #define IsAssignOp(x) (\
1919 (x) == opid1('=') || \
1920 (x) == opid2('+','=') || \
1921 (x) == opid2('-','=') || \
1922 (x) == opid2('*','=') || \
1923 (x) == opid2('/','=') || \
1924 (x) == opid2('%','=') || \
1925 (x) == opid2('&','=') || \
1926 (x) == opid2('|','=') || \
1927 (x) == opid3('&','~','=') \
1929 if (warn_truthvalue) {
1930 if ( (olast && IsAssignOp(olast->id) && (op->id == opid2('&','&') || op->id == opid2('|','|'))) ||
1931 (olast && IsAssignOp(op->id) && (olast->id == opid2('&','&') || olast->id == opid2('|','|'))) ||
1932 (truthvalue && !vec_size(sy.paren) && IsAssignOp(op->id))
1935 (void)!parsewarning(parser, WARN_PARENTHESIS, "suggesting parenthesis around assignment used as truth value");
1936 warn_truthvalue = false;
1941 (op->prec < olast->prec) ||
1942 (op->assoc == ASSOC_LEFT && op->prec <= olast->prec) ) )
1944 if (!parser_sy_apply_operator(parser, &sy))
1946 if (vec_size(sy.ops) && !vec_last(sy.ops).isparen)
1947 olast = &operators[vec_last(sy.ops).etype-1];
1952 if (op->id == opid1('(')) {
1954 size_t sycount = vec_size(sy.out);
1955 /* we expected an operator, this is the function-call operator */
1956 vec_push(sy.paren, PAREN_FUNC);
1957 vec_push(sy.ops, syparen(parser_ctx(parser), sycount-1));
1958 vec_push(sy.argc, 0);
1960 vec_push(sy.paren, PAREN_EXPR);
1961 vec_push(sy.ops, syparen(parser_ctx(parser), 0));
1964 } else if (op->id == opid1('[')) {
1966 parseerror(parser, "unexpected array subscript");
1969 vec_push(sy.paren, PAREN_INDEX);
1970 /* push both the operator and the paren, this makes life easier */
1971 vec_push(sy.ops, syop(parser_ctx(parser), op));
1972 vec_push(sy.ops, syparen(parser_ctx(parser), 0));
1974 } else if (op->id == opid2('?',':')) {
1975 vec_push(sy.ops, syop(parser_ctx(parser), op));
1976 vec_push(sy.ops, syparen(parser_ctx(parser), 0));
1979 vec_push(sy.paren, PAREN_TERNARY1);
1980 } else if (op->id == opid2(':','?')) {
1981 if (!vec_size(sy.paren)) {
1982 parseerror(parser, "unexpected colon outside ternary expression (missing parenthesis?)");
1985 if (vec_last(sy.paren) != PAREN_TERNARY1) {
1986 parseerror(parser, "unexpected colon outside ternary expression (missing parenthesis?)");
1989 if (!parser_close_paren(parser, &sy))
1991 vec_push(sy.ops, syop(parser_ctx(parser), op));
1995 vec_push(sy.ops, syop(parser_ctx(parser), op));
1996 wantop = !!(op->flags & OP_SUFFIX);
1999 else if (parser->tok == ')') {
2000 while (vec_size(sy.paren) && vec_last(sy.paren) == PAREN_TERNARY2) {
2001 if (!parser_sy_apply_operator(parser, &sy))
2004 if (!vec_size(sy.paren))
2007 if (vec_last(sy.paren) == PAREN_TERNARY1) {
2008 parseerror(parser, "mismatched parentheses (closing paren in ternary expression?)");
2011 if (!parser_close_paren(parser, &sy))
2014 /* must be a function call without parameters */
2015 if (vec_last(sy.paren) != PAREN_FUNC) {
2016 parseerror(parser, "closing paren in invalid position");
2019 if (!parser_close_paren(parser, &sy))
2024 else if (parser->tok == '(') {
2025 parseerror(parser, "internal error: '(' should be classified as operator");
2028 else if (parser->tok == '[') {
2029 parseerror(parser, "internal error: '[' should be classified as operator");
2032 else if (parser->tok == ']') {
2033 while (vec_size(sy.paren) && vec_last(sy.paren) == PAREN_TERNARY2) {
2034 if (!parser_sy_apply_operator(parser, &sy))
2037 if (!vec_size(sy.paren))
2039 if (vec_last(sy.paren) != PAREN_INDEX) {
2040 parseerror(parser, "mismatched parentheses, unexpected ']'");
2043 if (!parser_close_paren(parser, &sy))
2048 if (!parse_sya_operand(parser, &sy, with_labels))
2051 if (vec_size(sy.paren) && vec_last(sy.ops).isparen && vec_last(sy.paren) == PAREN_FUNC)
2052 vec_last(sy.argc)++;
2057 parseerror(parser, "expected operator or end of statement");
2061 if (!parser_next(parser)) {
2064 if (parser->tok == ';' ||
2065 ((!vec_size(sy.paren) || (vec_size(sy.paren) == 1 && vec_last(sy.paren) == PAREN_TERNARY2)) &&
2066 (parser->tok == ']' || parser->tok == ')' || parser->tok == '}')))
2072 while (vec_size(sy.ops)) {
2073 if (!parser_sy_apply_operator(parser, &sy))
2077 parser->lex->flags.noops = true;
2078 if (!vec_size(sy.out)) {
2079 parseerror(parser, "empty expression");
2082 expr = sy.out[0].out;
2085 if (vec_size(sy.paren)) {
2086 parseerror(parser, "internal error: vec_size(sy.paren) = %lu", (unsigned long)vec_size(sy.paren));
2094 parser->lex->flags.noops = true;
2095 for (i = 0; i < vec_size(sy.out); ++i) {
2097 ast_unref(sy.out[i].out);
2106 static ast_expression* parse_expression(parser_t *parser, bool stopatcomma, bool with_labels)
2108 ast_expression *e = parse_expression_leave(parser, stopatcomma, false, with_labels);
2111 if (parser->tok != ';') {
2112 parseerror(parser, "semicolon expected after expression");
2116 if (!parser_next(parser)) {
2123 static void parser_enterblock(parser_t *parser)
2125 vec_push(parser->variables, util_htnew(PARSER_HT_SIZE));
2126 vec_push(parser->_blocklocals, vec_size(parser->_locals));
2127 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
2128 vec_push(parser->_blocktypedefs, vec_size(parser->_typedefs));
2129 vec_push(parser->_block_ctx, parser_ctx(parser));
2132 vec_push(parser->correct_variables, correct_trie_new());
2133 vec_push(parser->correct_variables_score, NULL);
2136 static bool parser_leaveblock(parser_t *parser)
2139 size_t locals, typedefs;
2141 if (vec_size(parser->variables) <= PARSER_HT_LOCALS) {
2142 parseerror(parser, "internal error: parser_leaveblock with no block");
2146 util_htdel(vec_last(parser->variables));
2147 correct_del(vec_last(parser->correct_variables), vec_last(parser->correct_variables_score));
2149 vec_pop(parser->variables);
2150 vec_pop(parser->correct_variables);
2151 vec_pop(parser->correct_variables_score);
2152 if (!vec_size(parser->_blocklocals)) {
2153 parseerror(parser, "internal error: parser_leaveblock with no block (2)");
2157 locals = vec_last(parser->_blocklocals);
2158 vec_pop(parser->_blocklocals);
2159 while (vec_size(parser->_locals) != locals) {
2160 ast_expression *e = vec_last(parser->_locals);
2161 ast_value *v = (ast_value*)e;
2162 vec_pop(parser->_locals);
2163 if (ast_istype(e, ast_value) && !v->uses) {
2164 if (compile_warning(ast_ctx(v), WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name))
2169 typedefs = vec_last(parser->_blocktypedefs);
2170 while (vec_size(parser->_typedefs) != typedefs) {
2171 ast_delete(vec_last(parser->_typedefs));
2172 vec_pop(parser->_typedefs);
2174 util_htdel(vec_last(parser->typedefs));
2175 vec_pop(parser->typedefs);
2177 vec_pop(parser->_block_ctx);
2182 static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e)
2184 vec_push(parser->_locals, e);
2185 util_htset(vec_last(parser->variables), name, (void*)e);
2189 vec_last(parser->correct_variables),
2190 &vec_last(parser->correct_variables_score),
2195 static void parser_addglobal(parser_t *parser, const char *name, ast_expression *e)
2197 vec_push(parser->globals, e);
2198 util_htset(parser->htglobals, name, e);
2202 parser->correct_variables[0],
2203 &parser->correct_variables_score[0],
2208 static ast_expression* process_condition(parser_t *parser, ast_expression *cond, bool *_ifnot)
2212 ast_expression *prev;
2214 if (cond->expression.vtype == TYPE_VOID || cond->expression.vtype >= TYPE_VARIANT) {
2216 ast_type_to_string(cond, ty, sizeof(ty));
2217 compile_error(ast_ctx(cond), "invalid type for if() condition: %s", ty);
2220 if (OPTS_FLAG(FALSE_EMPTY_STRINGS) && cond->expression.vtype == TYPE_STRING)
2223 cond = (ast_expression*)ast_unary_new(ast_ctx(cond), INSTR_NOT_S, cond);
2226 parseerror(parser, "internal error: failed to process condition");
2231 else if (OPTS_FLAG(CORRECT_LOGIC) && cond->expression.vtype == TYPE_VECTOR)
2233 /* vector types need to be cast to true booleans */
2234 ast_binary *bin = (ast_binary*)cond;
2235 if (!OPTS_FLAG(PERL_LOGIC) || !ast_istype(cond, ast_binary) || !(bin->op == INSTR_AND || bin->op == INSTR_OR))
2237 /* in perl-logic, AND and OR take care of the -fcorrect-logic */
2239 cond = (ast_expression*)ast_unary_new(ast_ctx(cond), INSTR_NOT_V, cond);
2242 parseerror(parser, "internal error: failed to process condition");
2249 unary = (ast_unary*)cond;
2250 while (ast_istype(cond, ast_unary) && unary->op == INSTR_NOT_F)
2252 cond = unary->operand;
2253 unary->operand = NULL;
2256 unary = (ast_unary*)cond;
2260 parseerror(parser, "internal error: failed to process condition");
2262 if (ifnot) *_ifnot = !*_ifnot;
2266 static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
2269 ast_expression *cond, *ontrue = NULL, *onfalse = NULL;
2272 lex_ctx ctx = parser_ctx(parser);
2274 (void)block; /* not touching */
2276 /* skip the 'if', parse an optional 'not' and check for an opening paren */
2277 if (!parser_next(parser)) {
2278 parseerror(parser, "expected condition or 'not'");
2281 if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "not")) {
2283 if (!parser_next(parser)) {
2284 parseerror(parser, "expected condition in parenthesis");
2288 if (parser->tok != '(') {
2289 parseerror(parser, "expected 'if' condition in parenthesis");
2292 /* parse into the expression */
2293 if (!parser_next(parser)) {
2294 parseerror(parser, "expected 'if' condition after opening paren");
2297 /* parse the condition */
2298 cond = parse_expression_leave(parser, false, true, false);
2302 if (parser->tok != ')') {
2303 parseerror(parser, "expected closing paren after 'if' condition");
2307 /* parse into the 'then' branch */
2308 if (!parser_next(parser)) {
2309 parseerror(parser, "expected statement for on-true branch of 'if'");
2313 if (!parse_statement_or_block(parser, &ontrue)) {
2318 ontrue = (ast_expression*)ast_block_new(parser_ctx(parser));
2319 /* check for an else */
2320 if (!strcmp(parser_tokval(parser), "else")) {
2321 /* parse into the 'else' branch */
2322 if (!parser_next(parser)) {
2323 parseerror(parser, "expected on-false branch after 'else'");
2328 if (!parse_statement_or_block(parser, &onfalse)) {
2335 cond = process_condition(parser, cond, &ifnot);
2337 if (ontrue) ast_delete(ontrue);
2338 if (onfalse) ast_delete(onfalse);
2343 ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
2345 ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
2346 *out = (ast_expression*)ifthen;
2350 static bool parse_while_go(parser_t *parser, ast_block *block, ast_expression **out);
2351 static bool parse_while(parser_t *parser, ast_block *block, ast_expression **out)
2356 /* skip the 'while' and get the body */
2357 if (!parser_next(parser)) {
2358 if (OPTS_FLAG(LOOP_LABELS))
2359 parseerror(parser, "expected loop label or 'while' condition in parenthesis");
2361 parseerror(parser, "expected 'while' condition in parenthesis");
2365 if (parser->tok == ':') {
2366 if (!OPTS_FLAG(LOOP_LABELS))
2367 parseerror(parser, "labeled loops not activated, try using -floop-labels");
2368 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2369 parseerror(parser, "expected loop label");
2372 label = util_strdup(parser_tokval(parser));
2373 if (!parser_next(parser)) {
2375 parseerror(parser, "expected 'while' condition in parenthesis");
2380 if (parser->tok != '(') {
2381 parseerror(parser, "expected 'while' condition in parenthesis");
2385 vec_push(parser->breaks, label);
2386 vec_push(parser->continues, label);
2388 rv = parse_while_go(parser, block, out);
2391 if (vec_last(parser->breaks) != label || vec_last(parser->continues) != label) {
2392 parseerror(parser, "internal error: label stack corrupted");
2398 vec_pop(parser->breaks);
2399 vec_pop(parser->continues);
2404 static bool parse_while_go(parser_t *parser, ast_block *block, ast_expression **out)
2407 ast_expression *cond, *ontrue;
2411 lex_ctx ctx = parser_ctx(parser);
2413 (void)block; /* not touching */
2415 /* parse into the expression */
2416 if (!parser_next(parser)) {
2417 parseerror(parser, "expected 'while' condition after opening paren");
2420 /* parse the condition */
2421 cond = parse_expression_leave(parser, false, true, false);
2425 if (parser->tok != ')') {
2426 parseerror(parser, "expected closing paren after 'while' condition");
2430 /* parse into the 'then' branch */
2431 if (!parser_next(parser)) {
2432 parseerror(parser, "expected while-loop body");
2436 if (!parse_statement_or_block(parser, &ontrue)) {
2441 cond = process_condition(parser, cond, &ifnot);
2446 aloop = ast_loop_new(ctx, NULL, cond, ifnot, NULL, false, NULL, ontrue);
2447 *out = (ast_expression*)aloop;
2451 static bool parse_dowhile_go(parser_t *parser, ast_block *block, ast_expression **out);
2452 static bool parse_dowhile(parser_t *parser, ast_block *block, ast_expression **out)
2457 /* skip the 'do' and get the body */
2458 if (!parser_next(parser)) {
2459 if (OPTS_FLAG(LOOP_LABELS))
2460 parseerror(parser, "expected loop label or body");
2462 parseerror(parser, "expected loop body");
2466 if (parser->tok == ':') {
2467 if (!OPTS_FLAG(LOOP_LABELS))
2468 parseerror(parser, "labeled loops not activated, try using -floop-labels");
2469 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2470 parseerror(parser, "expected loop label");
2473 label = util_strdup(parser_tokval(parser));
2474 if (!parser_next(parser)) {
2476 parseerror(parser, "expected loop body");
2481 vec_push(parser->breaks, label);
2482 vec_push(parser->continues, label);
2484 rv = parse_dowhile_go(parser, block, out);
2487 if (vec_last(parser->breaks) != label || vec_last(parser->continues) != label) {
2488 parseerror(parser, "internal error: label stack corrupted");
2494 vec_pop(parser->breaks);
2495 vec_pop(parser->continues);
2500 static bool parse_dowhile_go(parser_t *parser, ast_block *block, ast_expression **out)
2503 ast_expression *cond, *ontrue;
2507 lex_ctx ctx = parser_ctx(parser);
2509 (void)block; /* not touching */
2511 if (!parse_statement_or_block(parser, &ontrue))
2514 /* expect the "while" */
2515 if (parser->tok != TOKEN_KEYWORD ||
2516 strcmp(parser_tokval(parser), "while"))
2518 parseerror(parser, "expected 'while' and condition");
2523 /* skip the 'while' and check for opening paren */
2524 if (!parser_next(parser) || parser->tok != '(') {
2525 parseerror(parser, "expected 'while' condition in parenthesis");
2529 /* parse into the expression */
2530 if (!parser_next(parser)) {
2531 parseerror(parser, "expected 'while' condition after opening paren");
2535 /* parse the condition */
2536 cond = parse_expression_leave(parser, false, true, false);
2540 if (parser->tok != ')') {
2541 parseerror(parser, "expected closing paren after 'while' condition");
2547 if (!parser_next(parser) || parser->tok != ';') {
2548 parseerror(parser, "expected semicolon after condition");
2554 if (!parser_next(parser)) {
2555 parseerror(parser, "parse error");
2561 cond = process_condition(parser, cond, &ifnot);
2566 aloop = ast_loop_new(ctx, NULL, NULL, false, cond, ifnot, NULL, ontrue);
2567 *out = (ast_expression*)aloop;
2571 static bool parse_for_go(parser_t *parser, ast_block *block, ast_expression **out);
2572 static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
2577 /* skip the 'for' and check for opening paren */
2578 if (!parser_next(parser)) {
2579 if (OPTS_FLAG(LOOP_LABELS))
2580 parseerror(parser, "expected loop label or 'for' expressions in parenthesis");
2582 parseerror(parser, "expected 'for' expressions in parenthesis");
2586 if (parser->tok == ':') {
2587 if (!OPTS_FLAG(LOOP_LABELS))
2588 parseerror(parser, "labeled loops not activated, try using -floop-labels");
2589 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2590 parseerror(parser, "expected loop label");
2593 label = util_strdup(parser_tokval(parser));
2594 if (!parser_next(parser)) {
2596 parseerror(parser, "expected 'for' expressions in parenthesis");
2601 if (parser->tok != '(') {
2602 parseerror(parser, "expected 'for' expressions in parenthesis");
2606 vec_push(parser->breaks, label);
2607 vec_push(parser->continues, label);
2609 rv = parse_for_go(parser, block, out);
2612 if (vec_last(parser->breaks) != label || vec_last(parser->continues) != label) {
2613 parseerror(parser, "internal error: label stack corrupted");
2619 vec_pop(parser->breaks);
2620 vec_pop(parser->continues);
2624 static bool parse_for_go(parser_t *parser, ast_block *block, ast_expression **out)
2627 ast_expression *initexpr, *cond, *increment, *ontrue;
2633 lex_ctx ctx = parser_ctx(parser);
2635 parser_enterblock(parser);
2642 /* parse into the expression */
2643 if (!parser_next(parser)) {
2644 parseerror(parser, "expected 'for' initializer after opening paren");
2649 if (parser->tok == TOKEN_IDENT)
2650 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
2652 if (typevar || parser->tok == TOKEN_TYPENAME) {
2654 if (OPTS_OPTION_U32(OPTION_STANDARD) != COMPILER_GMQCC) {
2655 if (parsewarning(parser, WARN_EXTENSIONS,
2656 "current standard does not allow variable declarations in for-loop initializers"))
2660 if (!parse_variable(parser, block, true, CV_VAR, typevar, false, false, 0, NULL))
2663 else if (parser->tok != ';')
2665 initexpr = parse_expression_leave(parser, false, false, false);
2670 /* move on to condition */
2671 if (parser->tok != ';') {
2672 parseerror(parser, "expected semicolon after for-loop initializer");
2675 if (!parser_next(parser)) {
2676 parseerror(parser, "expected for-loop condition");
2680 /* parse the condition */
2681 if (parser->tok != ';') {
2682 cond = parse_expression_leave(parser, false, true, false);
2687 /* move on to incrementor */
2688 if (parser->tok != ';') {
2689 parseerror(parser, "expected semicolon after for-loop initializer");
2692 if (!parser_next(parser)) {
2693 parseerror(parser, "expected for-loop condition");
2697 /* parse the incrementor */
2698 if (parser->tok != ')') {
2699 lex_ctx condctx = parser_ctx(parser);
2700 increment = parse_expression_leave(parser, false, false, false);
2703 if (!ast_side_effects(increment)) {
2704 if (compile_warning(condctx, WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
2710 if (parser->tok != ')') {
2711 parseerror(parser, "expected closing paren after 'for-loop' incrementor");
2714 /* parse into the 'then' branch */
2715 if (!parser_next(parser)) {
2716 parseerror(parser, "expected for-loop body");
2719 if (!parse_statement_or_block(parser, &ontrue))
2723 cond = process_condition(parser, cond, &ifnot);
2727 aloop = ast_loop_new(ctx, initexpr, cond, ifnot, NULL, false, increment, ontrue);
2728 *out = (ast_expression*)aloop;
2730 if (!parser_leaveblock(parser))
2734 if (initexpr) ast_delete(initexpr);
2735 if (cond) ast_delete(cond);
2736 if (increment) ast_delete(increment);
2737 (void)!parser_leaveblock(parser);
2741 static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
2743 ast_expression *exp = NULL;
2744 ast_return *ret = NULL;
2745 ast_value *expected = parser->function->vtype;
2747 lex_ctx ctx = parser_ctx(parser);
2749 (void)block; /* not touching */
2751 if (!parser_next(parser)) {
2752 parseerror(parser, "expected return expression");
2756 if (parser->tok != ';') {
2757 exp = parse_expression(parser, false, false);
2761 if (exp->expression.vtype != TYPE_NIL &&
2762 exp->expression.vtype != expected->expression.next->expression.vtype)
2764 parseerror(parser, "return with invalid expression");
2767 ret = ast_return_new(ctx, exp);
2773 if (!parser_next(parser))
2774 parseerror(parser, "parse error");
2775 if (expected->expression.next->expression.vtype != TYPE_VOID) {
2776 (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
2778 ret = ast_return_new(ctx, NULL);
2780 *out = (ast_expression*)ret;
2784 static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
2787 unsigned int levels = 0;
2788 lex_ctx ctx = parser_ctx(parser);
2789 const char **loops = (is_continue ? parser->continues : parser->breaks);
2791 (void)block; /* not touching */
2792 if (!parser_next(parser)) {
2793 parseerror(parser, "expected semicolon or loop label");
2797 if (!vec_size(loops)) {
2799 parseerror(parser, "`continue` can only be used inside loops");
2801 parseerror(parser, "`break` can only be used inside loops or switches");
2804 if (parser->tok == TOKEN_IDENT) {
2805 if (!OPTS_FLAG(LOOP_LABELS))
2806 parseerror(parser, "labeled loops not activated, try using -floop-labels");
2807 i = vec_size(loops);
2809 if (loops[i] && !strcmp(loops[i], parser_tokval(parser)))
2812 parseerror(parser, "no such loop to %s: `%s`",
2813 (is_continue ? "continue" : "break out of"),
2814 parser_tokval(parser));
2819 if (!parser_next(parser)) {
2820 parseerror(parser, "expected semicolon");
2825 if (parser->tok != ';') {
2826 parseerror(parser, "expected semicolon");
2830 if (!parser_next(parser))
2831 parseerror(parser, "parse error");
2833 *out = (ast_expression*)ast_breakcont_new(ctx, is_continue, levels);
2837 /* returns true when it was a variable qualifier, false otherwise!
2838 * on error, cvq is set to CV_WRONG
2840 static bool parse_qualifiers(parser_t *parser, bool with_local, int *cvq, bool *noref, bool *is_static, uint32_t *_flags, char **message)
2842 bool had_const = false;
2843 bool had_var = false;
2844 bool had_noref = false;
2845 bool had_attrib = false;
2846 bool had_static = false;
2851 if (parser->tok == TOKEN_ATTRIBUTE_OPEN) {
2853 /* parse an attribute */
2854 if (!parser_next(parser)) {
2855 parseerror(parser, "expected attribute after `[[`");
2859 if (!strcmp(parser_tokval(parser), "noreturn")) {
2860 flags |= AST_FLAG_NORETURN;
2861 if (!parser_next(parser) || parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
2862 parseerror(parser, "`noreturn` attribute has no parameters, expected `]]`");
2867 else if (!strcmp(parser_tokval(parser), "noref")) {
2869 if (!parser_next(parser) || parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
2870 parseerror(parser, "`noref` attribute has no parameters, expected `]]`");
2875 else if (!strcmp(parser_tokval(parser), "inline")) {
2876 flags |= AST_FLAG_INLINE;
2877 if (!parser_next(parser) || parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
2878 parseerror(parser, "`noref` attribute has no parameters, expected `]]`");
2885 else if (!strcmp(parser_tokval(parser), "deprecated") && !(flags & AST_FLAG_DEPRECATED)) {
2886 flags |= AST_FLAG_DEPRECATED;
2889 if (!parser_next(parser)) {
2890 parseerror(parser, "parse error in attribute");
2894 if (parser->tok == '(') {
2895 if (!parser_next(parser) || parser->tok != TOKEN_STRINGCONST) {
2896 parseerror(parser, "`deprecated` attribute missing parameter");
2900 *message = util_strdup(parser_tokval(parser));
2902 if (!parser_next(parser)) {
2903 parseerror(parser, "parse error in attribute");
2907 if(parser->tok != ')') {
2908 parseerror(parser, "`deprecated` attribute expected `)` after parameter");
2912 if (!parser_next(parser)) {
2913 parseerror(parser, "parse error in attribute");
2918 if (parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
2919 parseerror(parser, "`deprecated` attribute expected `]]`");
2922 if (*message) mem_d(*message);
2930 /* Skip tokens until we hit a ]] */
2931 (void)!parsewarning(parser, WARN_UNKNOWN_ATTRIBUTE, "unknown attribute starting with `%s`", parser_tokval(parser));
2932 while (parser->tok != TOKEN_ATTRIBUTE_CLOSE) {
2933 if (!parser_next(parser)) {
2934 parseerror(parser, "error inside attribute");
2941 else if (with_local && !strcmp(parser_tokval(parser), "static"))
2943 else if (!strcmp(parser_tokval(parser), "const"))
2945 else if (!strcmp(parser_tokval(parser), "var"))
2947 else if (with_local && !strcmp(parser_tokval(parser), "local"))
2949 else if (!strcmp(parser_tokval(parser), "noref"))
2951 else if (!had_const && !had_var && !had_noref && !had_attrib && !had_static && !flags) {
2956 if (!parser_next(parser))
2966 *is_static = had_static;
2970 parseerror(parser, "parse error after variable qualifier");
2975 static bool parse_switch_go(parser_t *parser, ast_block *block, ast_expression **out);
2976 static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
2981 /* skip the 'while' and get the body */
2982 if (!parser_next(parser)) {
2983 if (OPTS_FLAG(LOOP_LABELS))
2984 parseerror(parser, "expected loop label or 'switch' operand in parenthesis");
2986 parseerror(parser, "expected 'switch' operand in parenthesis");
2990 if (parser->tok == ':') {
2991 if (!OPTS_FLAG(LOOP_LABELS))
2992 parseerror(parser, "labeled loops not activated, try using -floop-labels");
2993 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
2994 parseerror(parser, "expected loop label");
2997 label = util_strdup(parser_tokval(parser));
2998 if (!parser_next(parser)) {
3000 parseerror(parser, "expected 'switch' operand in parenthesis");
3005 if (parser->tok != '(') {
3006 parseerror(parser, "expected 'switch' operand in parenthesis");
3010 vec_push(parser->breaks, label);
3012 rv = parse_switch_go(parser, block, out);
3015 if (vec_last(parser->breaks) != label) {
3016 parseerror(parser, "internal error: label stack corrupted");
3022 vec_pop(parser->breaks);
3027 static bool parse_switch_go(parser_t *parser, ast_block *block, ast_expression **out)
3029 ast_expression *operand;
3032 ast_switch *switchnode;
3033 ast_switch_case swcase;
3036 bool noref, is_static;
3037 uint32_t qflags = 0;
3039 lex_ctx ctx = parser_ctx(parser);
3041 (void)block; /* not touching */
3044 /* parse into the expression */
3045 if (!parser_next(parser)) {
3046 parseerror(parser, "expected switch operand");
3049 /* parse the operand */
3050 operand = parse_expression_leave(parser, false, false, false);
3054 switchnode = ast_switch_new(ctx, operand);
3057 if (parser->tok != ')') {
3058 ast_delete(switchnode);
3059 parseerror(parser, "expected closing paren after 'switch' operand");
3063 /* parse over the opening paren */
3064 if (!parser_next(parser) || parser->tok != '{') {
3065 ast_delete(switchnode);
3066 parseerror(parser, "expected list of cases");
3070 if (!parser_next(parser)) {
3071 ast_delete(switchnode);
3072 parseerror(parser, "expected 'case' or 'default'");
3076 /* new block; allow some variables to be declared here */
3077 parser_enterblock(parser);
3080 if (parser->tok == TOKEN_IDENT)
3081 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
3082 if (typevar || parser->tok == TOKEN_TYPENAME) {
3083 if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false, 0, NULL)) {
3084 ast_delete(switchnode);
3089 if (parse_qualifiers(parser, true, &cvq, &noref, &is_static, &qflags, NULL))
3091 if (cvq == CV_WRONG) {
3092 ast_delete(switchnode);
3095 if (!parse_variable(parser, block, false, cvq, NULL, noref, is_static, qflags, NULL)) {
3096 ast_delete(switchnode);
3105 while (parser->tok != '}') {
3106 ast_block *caseblock;
3108 if (!strcmp(parser_tokval(parser), "case")) {
3109 if (!parser_next(parser)) {
3110 ast_delete(switchnode);
3111 parseerror(parser, "expected expression for case");
3114 swcase.value = parse_expression_leave(parser, false, false, false);
3115 if (!swcase.value) {
3116 ast_delete(switchnode);
3117 parseerror(parser, "expected expression for case");
3120 if (!OPTS_FLAG(RELAXED_SWITCH)) {
3121 if (!ast_istype(swcase.value, ast_value)) { /* || ((ast_value*)swcase.value)->cvq != CV_CONST) { */
3122 parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
3128 else if (!strcmp(parser_tokval(parser), "default")) {
3129 swcase.value = NULL;
3130 if (!parser_next(parser)) {
3131 ast_delete(switchnode);
3132 parseerror(parser, "expected colon");
3137 ast_delete(switchnode);
3138 parseerror(parser, "expected 'case' or 'default'");
3142 /* Now the colon and body */
3143 if (parser->tok != ':') {
3144 if (swcase.value) ast_unref(swcase.value);
3145 ast_delete(switchnode);
3146 parseerror(parser, "expected colon");
3150 if (!parser_next(parser)) {
3151 if (swcase.value) ast_unref(swcase.value);
3152 ast_delete(switchnode);
3153 parseerror(parser, "expected statements or case");
3156 caseblock = ast_block_new(parser_ctx(parser));
3158 if (swcase.value) ast_unref(swcase.value);
3159 ast_delete(switchnode);
3162 swcase.code = (ast_expression*)caseblock;
3163 vec_push(switchnode->cases, swcase);
3165 ast_expression *expr;
3166 if (parser->tok == '}')
3168 if (parser->tok == TOKEN_KEYWORD) {
3169 if (!strcmp(parser_tokval(parser), "case") ||
3170 !strcmp(parser_tokval(parser), "default"))
3175 if (!parse_statement(parser, caseblock, &expr, true)) {
3176 ast_delete(switchnode);
3181 if (!ast_block_add_expr(caseblock, expr)) {
3182 ast_delete(switchnode);
3188 parser_leaveblock(parser);
3191 if (parser->tok != '}') {
3192 ast_delete(switchnode);
3193 parseerror(parser, "expected closing paren of case list");
3196 if (!parser_next(parser)) {
3197 ast_delete(switchnode);
3198 parseerror(parser, "parse error after switch");
3201 *out = (ast_expression*)switchnode;
3205 /* parse computed goto sides */
3206 static ast_expression *parse_goto_computed(parser_t *parser, ast_expression **side) {
3207 ast_expression *on_true;
3208 ast_expression *on_false;
3209 ast_expression *cond;
3214 if (ast_istype(*side, ast_ternary)) {
3215 ast_ternary *tern = (ast_ternary*)*side;
3216 on_true = parse_goto_computed(parser, &tern->on_true);
3217 on_false = parse_goto_computed(parser, &tern->on_false);
3219 if (!on_true || !on_false) {
3220 parseerror(parser, "expected label or expression in ternary");
3221 if (on_true) ast_unref(on_true);
3222 if (on_false) ast_unref(on_false);
3230 return (ast_expression*)ast_ifthen_new(parser_ctx(parser), cond, on_true, on_false);
3231 } else if (ast_istype(*side, ast_label)) {
3232 ast_goto *gt = ast_goto_new(parser_ctx(parser), ((ast_label*)*side)->name);
3233 ast_goto_set_label(gt, ((ast_label*)*side));
3235 return (ast_expression*)gt;
3240 static bool parse_goto(parser_t *parser, ast_expression **out)
3242 ast_goto *gt = NULL;
3243 ast_expression *lbl;
3245 if (!parser_next(parser))
3248 if (parser->tok != TOKEN_IDENT) {
3249 ast_expression *expression;
3251 /* could be an expression i.e computed goto :-) */
3252 if (parser->tok != '(') {
3253 parseerror(parser, "expected label name after `goto`");
3257 /* failed to parse expression for goto */
3258 if (!(expression = parse_expression(parser, false, true)) ||
3259 !(*out = parse_goto_computed(parser, &expression))) {
3260 parseerror(parser, "invalid goto expression");
3261 ast_unref(expression);
3268 /* not computed goto */
3269 gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
3270 lbl = parser_find_label(parser, gt->name);
3272 if (!ast_istype(lbl, ast_label)) {
3273 parseerror(parser, "internal error: label is not an ast_label");
3277 ast_goto_set_label(gt, (ast_label*)lbl);
3280 vec_push(parser->gotos, gt);
3282 if (!parser_next(parser) || parser->tok != ';') {
3283 parseerror(parser, "semicolon expected after goto label");
3286 if (!parser_next(parser)) {
3287 parseerror(parser, "parse error after goto");
3291 *out = (ast_expression*)gt;
3295 static bool parse_skipwhite(parser_t *parser)
3298 if (!parser_next(parser))
3300 } while (parser->tok == TOKEN_WHITE && parser->tok < TOKEN_ERROR);
3301 return parser->tok < TOKEN_ERROR;
3304 static bool parse_eol(parser_t *parser)
3306 if (!parse_skipwhite(parser))
3308 return parser->tok == TOKEN_EOL;
3311 static bool parse_pragma_do(parser_t *parser)
3313 if (!parser_next(parser) ||
3314 parser->tok != TOKEN_IDENT ||
3315 strcmp(parser_tokval(parser), "pragma"))
3317 parseerror(parser, "expected `pragma` keyword after `#`, got `%s`", parser_tokval(parser));
3320 if (!parse_skipwhite(parser) || parser->tok != TOKEN_IDENT) {
3321 parseerror(parser, "expected pragma, got `%s`", parser_tokval(parser));
3325 if (!strcmp(parser_tokval(parser), "noref")) {
3326 if (!parse_skipwhite(parser) || parser->tok != TOKEN_INTCONST) {
3327 parseerror(parser, "`noref` pragma requires an argument: 0 or 1");
3330 parser->noref = !!parser_token(parser)->constval.i;
3331 if (!parse_eol(parser)) {
3332 parseerror(parser, "parse error after `noref` pragma");
3338 (void)!parsewarning(parser, WARN_UNKNOWN_PRAGMAS, "ignoring #pragma %s", parser_tokval(parser));
3345 static bool parse_pragma(parser_t *parser)
3348 parser->lex->flags.preprocessing = true;
3349 parser->lex->flags.mergelines = true;
3350 rv = parse_pragma_do(parser);
3351 if (parser->tok != TOKEN_EOL) {
3352 parseerror(parser, "junk after pragma");
3355 parser->lex->flags.preprocessing = false;
3356 parser->lex->flags.mergelines = false;
3357 if (!parser_next(parser)) {
3358 parseerror(parser, "parse error after pragma");
3364 static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
3366 bool noref, is_static;
3368 uint32_t qflags = 0;
3369 ast_value *typevar = NULL;
3370 char *vstring = NULL;
3374 if (parser->tok == TOKEN_IDENT)
3375 typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
3377 if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
3379 /* local variable */
3381 parseerror(parser, "cannot declare a variable from here");
3384 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
3385 if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
3388 if (!parse_variable(parser, block, false, CV_NONE, typevar, false, false, 0, NULL))
3392 else if (parse_qualifiers(parser, !!block, &cvq, &noref, &is_static, &qflags, &vstring))
3394 if (cvq == CV_WRONG)
3396 return parse_variable(parser, block, true, cvq, NULL, noref, is_static, qflags, vstring);
3398 else if (parser->tok == TOKEN_KEYWORD)
3400 if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
3405 if (!parser_next(parser)) {
3406 parseerror(parser, "parse error after __builtin_debug_printtype");
3410 if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
3412 ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
3413 con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
3414 if (!parser_next(parser)) {
3415 parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
3421 if (!parse_statement(parser, block, out, allow_cases))
3424 con_out("__builtin_debug_printtype: got no output node\n");
3427 ast_type_to_string(*out, ty, sizeof(ty));
3428 con_out("__builtin_debug_printtype: `%s`\n", ty);
3433 else if (!strcmp(parser_tokval(parser), "return"))
3435 return parse_return(parser, block, out);
3437 else if (!strcmp(parser_tokval(parser), "if"))
3439 return parse_if(parser, block, out);
3441 else if (!strcmp(parser_tokval(parser), "while"))
3443 return parse_while(parser, block, out);
3445 else if (!strcmp(parser_tokval(parser), "do"))
3447 return parse_dowhile(parser, block, out);
3449 else if (!strcmp(parser_tokval(parser), "for"))
3451 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
3452 if (parsewarning(parser, WARN_EXTENSIONS, "for loops are not recognized in the original Quake C standard, to enable try an alternate standard --std=?"))
3455 return parse_for(parser, block, out);
3457 else if (!strcmp(parser_tokval(parser), "break"))
3459 return parse_break_continue(parser, block, out, false);
3461 else if (!strcmp(parser_tokval(parser), "continue"))
3463 return parse_break_continue(parser, block, out, true);
3465 else if (!strcmp(parser_tokval(parser), "switch"))
3467 return parse_switch(parser, block, out);
3469 else if (!strcmp(parser_tokval(parser), "case") ||
3470 !strcmp(parser_tokval(parser), "default"))
3473 parseerror(parser, "unexpected 'case' label");
3478 else if (!strcmp(parser_tokval(parser), "goto"))
3480 return parse_goto(parser, out);
3482 else if (!strcmp(parser_tokval(parser), "typedef"))
3484 if (!parser_next(parser)) {
3485 parseerror(parser, "expected type definition after 'typedef'");
3488 return parse_typedef(parser);
3490 parseerror(parser, "Unexpected keyword");
3493 else if (parser->tok == '{')
3496 inner = parse_block(parser);
3499 *out = (ast_expression*)inner;
3502 else if (parser->tok == ':')
3506 if (!parser_next(parser)) {
3507 parseerror(parser, "expected label name");
3510 if (parser->tok != TOKEN_IDENT) {
3511 parseerror(parser, "label must be an identifier");
3514 label = (ast_label*)parser_find_label(parser, parser_tokval(parser));
3516 if (!label->undefined) {
3517 parseerror(parser, "label `%s` already defined", label->name);
3520 label->undefined = false;
3523 label = ast_label_new(parser_ctx(parser), parser_tokval(parser), false);
3524 vec_push(parser->labels, label);
3526 *out = (ast_expression*)label;
3527 if (!parser_next(parser)) {
3528 parseerror(parser, "parse error after label");
3531 for (i = 0; i < vec_size(parser->gotos); ++i) {
3532 if (!strcmp(parser->gotos[i]->name, label->name)) {
3533 ast_goto_set_label(parser->gotos[i], label);
3534 vec_remove(parser->gotos, i, 1);
3540 else if (parser->tok == ';')
3542 if (!parser_next(parser)) {
3543 parseerror(parser, "parse error after empty statement");
3550 lex_ctx ctx = parser_ctx(parser);
3551 ast_expression *exp = parse_expression(parser, false, false);
3555 if (!ast_side_effects(exp)) {
3556 if (compile_warning(ctx, WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
3563 static bool parse_enum(parser_t *parser)
3566 ast_value **values = NULL;
3567 ast_value *var = NULL;
3570 ast_expression *old;
3572 if (!parser_next(parser) || parser->tok != '{') {
3573 parseerror(parser, "expected `{` after `enum` keyword");
3578 if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
3579 if (parser->tok == '}') {
3580 /* allow an empty enum */
3583 parseerror(parser, "expected identifier or `}`");
3587 old = parser_find_field(parser, parser_tokval(parser));
3589 old = parser_find_global(parser, parser_tokval(parser));
3591 parseerror(parser, "value `%s` has already been declared here: %s:%i",
3592 parser_tokval(parser), ast_ctx(old).file, ast_ctx(old).line);
3596 var = ast_value_new(parser_ctx(parser), parser_tokval(parser), TYPE_FLOAT);
3597 vec_push(values, var);
3598 var->cvq = CV_CONST;
3599 var->hasvalue = true;
3600 var->constval.vfloat = num++;
3602 parser_addglobal(parser, var->name, (ast_expression*)var);
3604 if (!parser_next(parser)) {
3605 parseerror(parser, "expected `=`, `}` or comma after identifier");
3609 if (parser->tok == ',')
3611 if (parser->tok == '}')
3613 if (parser->tok != '=') {
3614 parseerror(parser, "expected `=`, `}` or comma after identifier");
3618 if (!parser_next(parser)) {
3619 parseerror(parser, "expected expression after `=`");
3623 /* We got a value! */
3624 old = parse_expression_leave(parser, true, false, false);
3625 asvalue = (ast_value*)old;
3626 if (!ast_istype(old, ast_value) || asvalue->cvq != CV_CONST || !asvalue->hasvalue) {
3627 compile_error(ast_ctx(var), "constant value or expression expected");
3630 num = (var->constval.vfloat = asvalue->constval.vfloat) + 1;
3632 if (parser->tok == '}')
3634 if (parser->tok != ',') {
3635 parseerror(parser, "expected `}` or comma after expression");
3640 if (parser->tok != '}') {
3641 parseerror(parser, "internal error: breaking without `}`");
3645 if (!parser_next(parser) || parser->tok != ';') {
3646 parseerror(parser, "expected semicolon after enumeration");
3650 if (!parser_next(parser)) {
3651 parseerror(parser, "parse error after enumeration");
3663 static bool parse_block_into(parser_t *parser, ast_block *block)
3667 parser_enterblock(parser);
3669 if (!parser_next(parser)) { /* skip the '{' */
3670 parseerror(parser, "expected function body");
3674 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
3676 ast_expression *expr = NULL;
3677 if (parser->tok == '}')
3680 if (!parse_statement(parser, block, &expr, false)) {
3681 /* parseerror(parser, "parse error"); */
3687 if (!ast_block_add_expr(block, expr)) {
3694 if (parser->tok != '}') {
3697 (void)parser_next(parser);
3701 if (!parser_leaveblock(parser))
3703 return retval && !!block;
3706 static ast_block* parse_block(parser_t *parser)
3709 block = ast_block_new(parser_ctx(parser));
3712 if (!parse_block_into(parser, block)) {
3713 ast_block_delete(block);
3719 static bool parse_statement_or_block(parser_t *parser, ast_expression **out)
3721 if (parser->tok == '{') {
3722 *out = (ast_expression*)parse_block(parser);
3725 return parse_statement(parser, NULL, out, false);
3728 static bool create_vector_members(ast_value *var, ast_member **me)
3731 size_t len = strlen(var->name);
3733 for (i = 0; i < 3; ++i) {
3734 char *name = (char*)mem_a(len+3);
3735 memcpy(name, var->name, len);
3737 name[len+1] = 'x'+i;
3739 me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
3748 do { ast_member_delete(me[--i]); } while(i);
3752 static bool parse_function_body(parser_t *parser, ast_value *var)
3754 ast_block *block = NULL;
3759 ast_expression *framenum = NULL;
3760 ast_expression *nextthink = NULL;
3761 /* None of the following have to be deleted */
3762 ast_expression *fld_think = NULL, *fld_nextthink = NULL, *fld_frame = NULL;
3763 ast_expression *gbl_time = NULL, *gbl_self = NULL;
3764 bool has_frame_think;
3768 has_frame_think = false;
3769 old = parser->function;
3771 if (vec_size(parser->gotos) || vec_size(parser->labels)) {
3772 parseerror(parser, "gotos/labels leaking");
3776 if (!OPTS_FLAG(VARIADIC_ARGS) && var->expression.flags & AST_FLAG_VARIADIC) {
3777 if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
3778 "variadic function with implementation will not be able to access additional parameters (try -fvariadic-args)"))
3784 if (parser->tok == '[') {
3785 /* got a frame definition: [ framenum, nextthink ]
3786 * this translates to:
3787 * self.frame = framenum;
3788 * self.nextthink = time + 0.1;
3789 * self.think = nextthink;
3793 fld_think = parser_find_field(parser, "think");
3794 fld_nextthink = parser_find_field(parser, "nextthink");
3795 fld_frame = parser_find_field(parser, "frame");
3796 if (!fld_think || !fld_nextthink || !fld_frame) {
3797 parseerror(parser, "cannot use [frame,think] notation without the required fields");
3798 parseerror(parser, "please declare the following entityfields: `frame`, `think`, `nextthink`");
3801 gbl_time = parser_find_global(parser, "time");
3802 gbl_self = parser_find_global(parser, "self");
3803 if (!gbl_time || !gbl_self) {
3804 parseerror(parser, "cannot use [frame,think] notation without the required globals");
3805 parseerror(parser, "please declare the following globals: `time`, `self`");
3809 if (!parser_next(parser))
3812 framenum = parse_expression_leave(parser, true, false, false);
3814 parseerror(parser, "expected a framenumber constant in[frame,think] notation");
3817 if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
3818 ast_unref(framenum);
3819 parseerror(parser, "framenumber in [frame,think] notation must be a constant");
3823 if (parser->tok != ',') {
3824 ast_unref(framenum);
3825 parseerror(parser, "expected comma after frame number in [frame,think] notation");
3826 parseerror(parser, "Got a %i\n", parser->tok);
3830 if (!parser_next(parser)) {
3831 ast_unref(framenum);
3835 if (parser->tok == TOKEN_IDENT && !parser_find_var(parser, parser_tokval(parser)))
3837 /* qc allows the use of not-yet-declared functions here
3838 * - this automatically creates a prototype */
3839 ast_value *thinkfunc;
3840 ast_expression *functype = fld_think->expression.next;
3842 thinkfunc = ast_value_new(parser_ctx(parser), parser_tokval(parser), functype->expression.vtype);
3843 if (!thinkfunc || !ast_type_adopt(thinkfunc, functype)) {
3844 ast_unref(framenum);
3845 parseerror(parser, "failed to create implicit prototype for `%s`", parser_tokval(parser));
3849 if (!parser_next(parser)) {
3850 ast_unref(framenum);
3851 ast_delete(thinkfunc);
3855 parser_addglobal(parser, thinkfunc->name, (ast_expression*)thinkfunc);
3857 nextthink = (ast_expression*)thinkfunc;
3860 nextthink = parse_expression_leave(parser, true, false, false);
3862 ast_unref(framenum);
3863 parseerror(parser, "expected a think-function in [frame,think] notation");
3868 if (!ast_istype(nextthink, ast_value)) {
3869 parseerror(parser, "think-function in [frame,think] notation must be a constant");
3873 if (retval && parser->tok != ']') {
3874 parseerror(parser, "expected closing `]` for [frame,think] notation");
3878 if (retval && !parser_next(parser)) {
3882 if (retval && parser->tok != '{') {
3883 parseerror(parser, "a function body has to be declared after a [frame,think] declaration");
3888 ast_unref(nextthink);
3889 ast_unref(framenum);
3893 has_frame_think = true;
3896 block = ast_block_new(parser_ctx(parser));
3898 parseerror(parser, "failed to allocate block");
3899 if (has_frame_think) {
3900 ast_unref(nextthink);
3901 ast_unref(framenum);
3906 if (has_frame_think) {
3908 ast_expression *self_frame;
3909 ast_expression *self_nextthink;
3910 ast_expression *self_think;
3911 ast_expression *time_plus_1;
3912 ast_store *store_frame;
3913 ast_store *store_nextthink;
3914 ast_store *store_think;
3916 ctx = parser_ctx(parser);
3917 self_frame = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_frame);
3918 self_nextthink = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_nextthink);
3919 self_think = (ast_expression*)ast_entfield_new(ctx, gbl_self, fld_think);
3921 time_plus_1 = (ast_expression*)ast_binary_new(ctx, INSTR_ADD_F,
3922 gbl_time, (ast_expression*)parser_const_float(parser, 0.1));
3924 if (!self_frame || !self_nextthink || !self_think || !time_plus_1) {
3925 if (self_frame) ast_delete(self_frame);
3926 if (self_nextthink) ast_delete(self_nextthink);
3927 if (self_think) ast_delete(self_think);
3928 if (time_plus_1) ast_delete(time_plus_1);
3934 store_frame = ast_store_new(ctx, INSTR_STOREP_F, self_frame, framenum);
3935 store_nextthink = ast_store_new(ctx, INSTR_STOREP_F, self_nextthink, time_plus_1);
3936 store_think = ast_store_new(ctx, INSTR_STOREP_FNC, self_think, nextthink);
3939 ast_delete(self_frame);
3942 if (!store_nextthink) {
3943 ast_delete(self_nextthink);
3947 ast_delete(self_think);
3951 if (store_frame) ast_delete(store_frame);
3952 if (store_nextthink) ast_delete(store_nextthink);
3953 if (store_think) ast_delete(store_think);
3956 if (!ast_block_add_expr(block, (ast_expression*)store_frame) ||
3957 !ast_block_add_expr(block, (ast_expression*)store_nextthink) ||
3958 !ast_block_add_expr(block, (ast_expression*)store_think))
3965 parseerror(parser, "failed to generate code for [frame,think]");
3966 ast_unref(nextthink);
3967 ast_unref(framenum);
3973 func = ast_function_new(ast_ctx(var), var->name, var);
3975 parseerror(parser, "failed to allocate function for `%s`", var->name);
3976 ast_block_delete(block);
3979 vec_push(parser->functions, func);
3981 parser_enterblock(parser);
3983 for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
3985 ast_value *param = var->expression.params[parami];
3988 if (param->expression.vtype != TYPE_VECTOR &&
3989 (param->expression.vtype != TYPE_FIELD ||
3990 param->expression.next->expression.vtype != TYPE_VECTOR))
3995 if (!create_vector_members(param, me)) {
3996 ast_block_delete(block);
4000 for (e = 0; e < 3; ++e) {
4001 parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
4002 ast_block_collect(block, (ast_expression*)me[e]);
4006 if (var->argcounter) {
4007 ast_value *argc = ast_value_new(ast_ctx(var), var->argcounter, TYPE_FLOAT);
4008 parser_addlocal(parser, argc->name, (ast_expression*)argc);
4012 if (OPTS_FLAG(VARIADIC_ARGS) && var->expression.flags & AST_FLAG_VARIADIC) {
4014 ast_value *varargs = ast_value_new(ast_ctx(var), "reserved:va_args", TYPE_ARRAY);
4015 varargs->expression.flags |= AST_FLAG_IS_VARARG;
4016 varargs->expression.next = (ast_expression*)ast_value_new(ast_ctx(var), NULL, TYPE_VECTOR);
4017 varargs->expression.count = 0;
4018 snprintf(name, sizeof(name), "%s##va##SET", var->name);
4019 if (!parser_create_array_setter_proto(parser, varargs, name)) {
4020 ast_delete(varargs);
4021 ast_block_delete(block);
4024 snprintf(name, sizeof(name), "%s##va##GET", var->name);
4025 if (!parser_create_array_getter_proto(parser, varargs, varargs->expression.next, name)) {
4026 ast_delete(varargs);
4027 ast_block_delete(block);
4030 func->varargs = varargs;
4032 func->fixedparams = parser_const_float(parser, vec_size(var->expression.params));
4035 parser->function = func;
4036 if (!parse_block_into(parser, block)) {
4037 ast_block_delete(block);
4041 vec_push(func->blocks, block);
4043 parser->function = old;
4044 if (!parser_leaveblock(parser))
4046 if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
4047 parseerror(parser, "internal error: local scopes left");
4051 if (parser->tok == ';')
4052 return parser_next(parser);
4053 else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC)
4054 parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
4058 (void)!parser_leaveblock(parser);
4059 vec_pop(parser->functions);
4060 ast_function_delete(func);
4061 var->constval.vfunc = NULL;
4064 parser->function = old;
4068 static ast_expression *array_accessor_split(
4073 ast_expression *left,
4074 ast_expression *right
4080 lex_ctx ctx = ast_ctx(array);
4082 if (!left || !right) {
4083 if (left) ast_delete(left);
4084 if (right) ast_delete(right);
4088 cmp = ast_binary_new(ctx, INSTR_LT,
4089 (ast_expression*)index,
4090 (ast_expression*)parser_const_float(parser, middle));
4094 parseerror(parser, "internal error: failed to create comparison for array setter");
4098 ifthen = ast_ifthen_new(ctx, (ast_expression*)cmp, left, right);
4100 ast_delete(cmp); /* will delete left and right */
4101 parseerror(parser, "internal error: failed to create conditional jump for array setter");
4105 return (ast_expression*)ifthen;
4108 static ast_expression *array_setter_node(parser_t *parser, ast_value *array, ast_value *index, ast_value *value, size_t from, size_t afterend)
4110 lex_ctx ctx = ast_ctx(array);
4112 if (from+1 == afterend) {
4113 /* set this value */
4116 ast_array_index *subscript;
4118 int assignop = type_store_instr[value->expression.vtype];
4120 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
4121 assignop = INSTR_STORE_V;
4123 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
4127 st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
4129 ast_delete(subscript);
4133 block = ast_block_new(ctx);
4139 if (!ast_block_add_expr(block, (ast_expression*)st)) {
4144 ret = ast_return_new(ctx, NULL);
4150 if (!ast_block_add_expr(block, (ast_expression*)ret)) {
4155 return (ast_expression*)block;
4157 ast_expression *left, *right;
4158 size_t diff = afterend - from;
4159 size_t middle = from + diff/2;
4160 left = array_setter_node(parser, array, index, value, from, middle);
4161 right = array_setter_node(parser, array, index, value, middle, afterend);
4162 return array_accessor_split(parser, array, index, middle, left, right);
4166 static ast_expression *array_field_setter_node(
4175 lex_ctx ctx = ast_ctx(array);
4177 if (from+1 == afterend) {
4178 /* set this value */
4181 ast_entfield *entfield;
4182 ast_array_index *subscript;
4184 int assignop = type_storep_instr[value->expression.vtype];
4186 if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
4187 assignop = INSTR_STOREP_V;
4189 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
4193 subscript->expression.next = ast_type_copy(ast_ctx(subscript), (ast_expression*)subscript);
4194 subscript->expression.vtype = TYPE_FIELD;
4196 entfield = ast_entfield_new_force(ctx,
4197 (ast_expression*)entity,
4198 (ast_expression*)subscript,
4199 (ast_expression*)subscript);
4201 ast_delete(subscript);
4205 st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
4207 ast_delete(entfield);
4211 block = ast_block_new(ctx);
4217 if (!ast_block_add_expr(block, (ast_expression*)st)) {
4222 ret = ast_return_new(ctx, NULL);
4228 if (!ast_block_add_expr(block, (ast_expression*)ret)) {
4233 return (ast_expression*)block;
4235 ast_expression *left, *right;
4236 size_t diff = afterend - from;
4237 size_t middle = from + diff/2;
4238 left = array_field_setter_node(parser, array, entity, index, value, from, middle);
4239 right = array_field_setter_node(parser, array, entity, index, value, middle, afterend);
4240 return array_accessor_split(parser, array, index, middle, left, right);
4244 static ast_expression *array_getter_node(parser_t *parser, ast_value *array, ast_value *index, size_t from, size_t afterend)
4246 lex_ctx ctx = ast_ctx(array);
4248 if (from+1 == afterend) {
4250 ast_array_index *subscript;
4252 subscript = ast_array_index_new(ctx, (ast_expression*)array, (ast_expression*)parser_const_float(parser, from));
4256 ret = ast_return_new(ctx, (ast_expression*)subscript);
4258 ast_delete(subscript);
4262 return (ast_expression*)ret;
4264 ast_expression *left, *right;
4265 size_t diff = afterend - from;
4266 size_t middle = from + diff/2;
4267 left = array_getter_node(parser, array, index, from, middle);
4268 right = array_getter_node(parser, array, index, middle, afterend);
4269 return array_accessor_split(parser, array, index, middle, left, right);
4273 static bool parser_create_array_accessor(parser_t *parser, ast_value *array, const char *funcname, ast_value **out)
4275 ast_function *func = NULL;
4276 ast_value *fval = NULL;
4277 ast_block *body = NULL;
4279 fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
4281 parseerror(parser, "failed to create accessor function value");
4285 func = ast_function_new(ast_ctx(array), funcname, fval);
4288 parseerror(parser, "failed to create accessor function node");
4292 body = ast_block_new(ast_ctx(array));
4294 parseerror(parser, "failed to create block for array accessor");
4300 vec_push(func->blocks, body);
4303 vec_push(parser->accessors, fval);
4308 static ast_value* parser_create_array_setter_proto(parser_t *parser, ast_value *array, const char *funcname)
4310 ast_value *index = NULL;
4311 ast_value *value = NULL;
4315 if (!ast_istype(array->expression.next, ast_value)) {
4316 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
4320 if (!parser_create_array_accessor(parser, array, funcname, &fval))
4322 func = fval->constval.vfunc;
4323 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
4325 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
4326 value = ast_value_copy((ast_value*)array->expression.next);
4328 if (!index || !value) {
4329 parseerror(parser, "failed to create locals for array accessor");
4332 (void)!ast_value_set_name(value, "value"); /* not important */
4333 vec_push(fval->expression.params, index);
4334 vec_push(fval->expression.params, value);
4336 array->setter = fval;
4339 if (index) ast_delete(index);
4340 if (value) ast_delete(value);
4346 static bool parser_create_array_setter_impl(parser_t *parser, ast_value *array)
4348 ast_expression *root = NULL;
4349 root = array_setter_node(parser, array,
4350 array->setter->expression.params[0],
4351 array->setter->expression.params[1],
4352 0, array->expression.count);
4354 parseerror(parser, "failed to build accessor search tree");
4357 if (!ast_block_add_expr(array->setter->constval.vfunc->blocks[0], root)) {
4364 static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
4366 if (!parser_create_array_setter_proto(parser, array, funcname))
4368 return parser_create_array_setter_impl(parser, array);
4371 static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
4373 ast_expression *root = NULL;
4374 ast_value *entity = NULL;
4375 ast_value *index = NULL;
4376 ast_value *value = NULL;
4380 if (!ast_istype(array->expression.next, ast_value)) {
4381 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
4385 if (!parser_create_array_accessor(parser, array, funcname, &fval))
4387 func = fval->constval.vfunc;
4388 fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
4390 entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
4391 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
4392 value = ast_value_copy((ast_value*)array->expression.next);
4393 if (!entity || !index || !value) {
4394 parseerror(parser, "failed to create locals for array accessor");
4397 (void)!ast_value_set_name(value, "value"); /* not important */
4398 vec_push(fval->expression.params, entity);
4399 vec_push(fval->expression.params, index);
4400 vec_push(fval->expression.params, value);
4402 root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
4404 parseerror(parser, "failed to build accessor search tree");
4408 array->setter = fval;
4409 return ast_block_add_expr(func->blocks[0], root);
4411 if (entity) ast_delete(entity);
4412 if (index) ast_delete(index);
4413 if (value) ast_delete(value);
4414 if (root) ast_delete(root);
4420 static ast_value* parser_create_array_getter_proto(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
4422 ast_value *index = NULL;
4426 /* NOTE: checking array->expression.next rather than elemtype since
4427 * for fields elemtype is a temporary fieldtype.
4429 if (!ast_istype(array->expression.next, ast_value)) {
4430 parseerror(parser, "internal error: array accessor needs to build an ast_value with a copy of the element type");
4434 if (!parser_create_array_accessor(parser, array, funcname, &fval))
4436 func = fval->constval.vfunc;
4437 fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
4439 index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
4442 parseerror(parser, "failed to create locals for array accessor");
4445 vec_push(fval->expression.params, index);
4447 array->getter = fval;
4450 if (index) ast_delete(index);
4456 static bool parser_create_array_getter_impl(parser_t *parser, ast_value *array)
4458 ast_expression *root = NULL;
4460 root = array_getter_node(parser, array, array->getter->expression.params[0], 0, array->expression.count);
4462 parseerror(parser, "failed to build accessor search tree");
4465 if (!ast_block_add_expr(array->getter->constval.vfunc->blocks[0], root)) {
4472 static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
4474 if (!parser_create_array_getter_proto(parser, array, elemtype, funcname))
4476 return parser_create_array_getter_impl(parser, array);
4479 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
4480 static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
4488 bool variadic = false;
4489 ast_value *varparam = NULL;
4490 char *argcounter = NULL;
4492 ctx = parser_ctx(parser);
4494 /* for the sake of less code we parse-in in this function */
4495 if (!parser_next(parser)) {
4496 parseerror(parser, "expected parameter list");
4502 /* parse variables until we hit a closing paren */
4503 while (parser->tok != ')') {
4505 /* there must be commas between them */
4506 if (parser->tok != ',') {
4507 parseerror(parser, "expected comma or end of parameter list");
4510 if (!parser_next(parser)) {
4511 parseerror(parser, "expected parameter");
4517 if (parser->tok == TOKEN_DOTS) {
4518 /* '...' indicates a varargs function */
4520 if (!parser_next(parser) || (parser->tok != ')' && parser->tok != TOKEN_IDENT)) {
4521 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
4524 if (parser->tok == TOKEN_IDENT) {
4525 argcounter = util_strdup(parser_tokval(parser));
4526 if (!parser_next(parser) || parser->tok != ')') {
4527 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
4534 /* for anything else just parse a typename */
4535 param = parse_typename(parser, NULL, NULL);
4538 vec_push(params, param);
4539 if (param->expression.vtype >= TYPE_VARIANT) {
4540 char tname[1024]; /* typename is reserved in C++ */
4541 ast_type_to_string((ast_expression*)param, tname, sizeof(tname));
4542 parseerror(parser, "type not supported as part of a parameter list: %s", tname);
4545 /* type-restricted varargs */
4546 if (parser->tok == TOKEN_DOTS) {
4548 varparam = vec_last(params);
4550 if (!parser_next(parser) || (parser->tok != ')' && parser->tok != TOKEN_IDENT)) {
4551 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
4554 if (parser->tok == TOKEN_IDENT) {
4555 argcounter = util_strdup(parser_tokval(parser));
4556 if (!parser_next(parser) || parser->tok != ')') {
4557 parseerror(parser, "`...` must be the last parameter of a variadic function declaration");
4565 if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
4569 if (vec_size(params) > 8 && OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC)
4570 (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
4573 if (!parser_next(parser)) {
4574 parseerror(parser, "parse error after typename");
4578 /* now turn 'var' into a function type */
4579 fval = ast_value_new(ctx, "<type()>", TYPE_FUNCTION);
4580 fval->expression.next = (ast_expression*)var;
4582 fval->expression.flags |= AST_FLAG_VARIADIC;
4585 var->expression.params = params;
4586 var->expression.varparam = (ast_expression*)varparam;
4587 var->argcounter = argcounter;
4596 for (i = 0; i < vec_size(params); ++i)
4597 ast_delete(params[i]);
4602 static ast_value *parse_arraysize(parser_t *parser, ast_value *var)
4604 ast_expression *cexp;
4605 ast_value *cval, *tmp;
4608 ctx = parser_ctx(parser);
4610 if (!parser_next(parser)) {
4612 parseerror(parser, "expected array-size");
4616 cexp = parse_expression_leave(parser, true, false, false);
4618 if (!cexp || !ast_istype(cexp, ast_value)) {
4622 parseerror(parser, "expected array-size as constant positive integer");
4625 cval = (ast_value*)cexp;
4627 tmp = ast_value_new(ctx, "<type[]>", TYPE_ARRAY);
4628 tmp->expression.next = (ast_expression*)var;
4631 if (cval->expression.vtype == TYPE_INTEGER)
4632 tmp->expression.count = cval->constval.vint;
4633 else if (cval->expression.vtype == TYPE_FLOAT)
4634 tmp->expression.count = cval->constval.vfloat;
4638 parseerror(parser, "array-size must be a positive integer constant");
4643 if (parser->tok != ']') {
4645 parseerror(parser, "expected ']' after array-size");
4648 if (!parser_next(parser)) {
4650 parseerror(parser, "error after parsing array size");
4656 /* Parse a complete typename.
4657 * for single-variables (ie. function parameters or typedefs) storebase should be NULL
4658 * but when parsing variables separated by comma
4659 * 'storebase' should point to where the base-type should be kept.
4660 * The base type makes up every bit of type information which comes *before* the
4663 * The following will be parsed in its entirety:
4665 * The 'basetype' in this case is 'void()'
4666 * and if there's a comma after it, say:
4668 * then the type-information 'void()' can be stored in 'storebase'
4670 static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
4672 ast_value *var, *tmp;
4675 const char *name = NULL;
4676 bool isfield = false;
4677 bool wasarray = false;
4678 size_t morefields = 0;
4680 ctx = parser_ctx(parser);
4682 /* types may start with a dot */
4683 if (parser->tok == '.') {
4685 /* if we parsed a dot we need a typename now */
4686 if (!parser_next(parser)) {
4687 parseerror(parser, "expected typename for field definition");
4691 /* Further dots are handled seperately because they won't be part of the
4694 while (parser->tok == '.') {
4696 if (!parser_next(parser)) {
4697 parseerror(parser, "expected typename for field definition");
4702 if (parser->tok == TOKEN_IDENT)
4703 cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
4704 if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
4705 parseerror(parser, "expected typename");
4709 /* generate the basic type value */
4710 if (cached_typedef) {
4711 var = ast_value_copy(cached_typedef);
4712 ast_value_set_name(var, "<type(from_def)>");
4714 var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
4716 for (; morefields; --morefields) {
4717 tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
4718 tmp->expression.next = (ast_expression*)var;
4722 /* do not yet turn into a field - remember:
4723 * .void() foo; is a field too
4724 * .void()() foo; is a function
4728 if (!parser_next(parser)) {
4730 parseerror(parser, "parse error after typename");
4734 /* an opening paren now starts the parameter-list of a function
4735 * this is where original-QC has parameter lists.
4736 * We allow a single parameter list here.
4737 * Much like fteqcc we don't allow `float()() x`
4739 if (parser->tok == '(') {
4740 var = parse_parameter_list(parser, var);
4745 /* store the base if requested */
4747 *storebase = ast_value_copy(var);
4749 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
4750 tmp->expression.next = (ast_expression*)*storebase;
4755 /* there may be a name now */
4756 if (parser->tok == TOKEN_IDENT) {
4757 name = util_strdup(parser_tokval(parser));
4759 if (!parser_next(parser)) {
4761 parseerror(parser, "error after variable or field declaration");
4766 /* now this may be an array */
4767 if (parser->tok == '[') {
4769 var = parse_arraysize(parser, var);
4774 /* This is the point where we can turn it into a field */
4776 /* turn it into a field if desired */
4777 tmp = ast_value_new(ctx, "<type:f>", TYPE_FIELD);
4778 tmp->expression.next = (ast_expression*)var;
4782 /* now there may be function parens again */
4783 if (parser->tok == '(' && OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC)
4784 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
4785 if (parser->tok == '(' && wasarray)
4786 parseerror(parser, "arrays as part of a return type is not supported");
4787 while (parser->tok == '(') {
4788 var = parse_parameter_list(parser, var);
4796 /* finally name it */
4798 if (!ast_value_set_name(var, name)) {
4800 parseerror(parser, "internal error: failed to set name");
4803 /* free the name, ast_value_set_name duplicates */
4810 static bool parse_typedef(parser_t *parser)
4812 ast_value *typevar, *oldtype;
4813 ast_expression *old;
4815 typevar = parse_typename(parser, NULL, NULL);
4820 if ( (old = parser_find_var(parser, typevar->name)) ) {
4821 parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
4822 " -> `%s` has been declared here: %s:%i",
4823 typevar->name, ast_ctx(old).file, ast_ctx(old).line);
4824 ast_delete(typevar);
4828 if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
4829 parseerror(parser, "type `%s` has already been declared here: %s:%i",
4830 typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
4831 ast_delete(typevar);
4835 vec_push(parser->_typedefs, typevar);
4836 util_htset(vec_last(parser->typedefs), typevar->name, typevar);
4838 if (parser->tok != ';') {
4839 parseerror(parser, "expected semicolon after typedef");
4842 if (!parser_next(parser)) {
4843 parseerror(parser, "parse error after typedef");
4850 static const char *cvq_to_str(int cvq) {
4852 case CV_NONE: return "none";
4853 case CV_VAR: return "`var`";
4854 case CV_CONST: return "`const`";
4855 default: return "<INVALID>";
4859 static bool parser_check_qualifiers(parser_t *parser, const ast_value *var, const ast_value *proto)
4862 if (proto->cvq != var->cvq) {
4863 if (!(proto->cvq == CV_CONST && var->cvq == CV_NONE &&
4864 !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
4865 parser->tok == '='))
4867 return !parsewarning(parser, WARN_DIFFERENT_QUALIFIERS,
4868 "`%s` declared with different qualifiers: %s\n"
4869 " -> previous declaration here: %s:%i uses %s",
4870 var->name, cvq_to_str(var->cvq),
4871 ast_ctx(proto).file, ast_ctx(proto).line,
4872 cvq_to_str(proto->cvq));
4875 av = (var ->expression.flags & AST_FLAG_NORETURN);
4876 ao = (proto->expression.flags & AST_FLAG_NORETURN);
4878 return !parsewarning(parser, WARN_DIFFERENT_ATTRIBUTES,
4879 "`%s` declared with different attributes%s\n"
4880 " -> previous declaration here: %s:%i",
4881 var->name, (av ? ": noreturn" : ""),
4882 ast_ctx(proto).file, ast_ctx(proto).line,
4883 (ao ? ": noreturn" : ""));
4888 static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int qualifier, ast_value *cached_typedef, bool noref, bool is_static, uint32_t qflags, char *vstring)
4892 ast_expression *old;
4896 ast_value *basetype = NULL;
4898 bool isparam = false;
4899 bool isvector = false;
4900 bool cleanvar = true;
4901 bool wasarray = false;
4905 if (!localblock && is_static)
4906 parseerror(parser, "`static` qualifier is not supported in global scope");
4908 /* get the first complete variable */
4909 var = parse_typename(parser, &basetype, cached_typedef);
4912 ast_delete(basetype);
4920 /* Part 0: finish the type */
4921 if (parser->tok == '(') {
4922 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC)
4923 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
4924 var = parse_parameter_list(parser, var);
4930 /* we only allow 1-dimensional arrays */
4931 if (parser->tok == '[') {
4933 var = parse_arraysize(parser, var);
4939 if (parser->tok == '(' && wasarray) {
4940 parseerror(parser, "arrays as part of a return type is not supported");
4941 /* we'll still parse the type completely for now */
4943 /* for functions returning functions */
4944 while (parser->tok == '(') {
4945 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC)
4946 parseerror(parser, "C-style function syntax is not allowed in -std=qcc");
4947 var = parse_parameter_list(parser, var);
4954 var->cvq = qualifier;
4955 var->expression.flags |= qflags;
4956 if (var->expression.flags & AST_FLAG_DEPRECATED)
4957 var->desc = vstring;
4960 * check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
4961 * Also: if there was a prototype, `var` will be deleted and set to `proto` which
4962 * is then filled with the previous definition and the parameter-names replaced.
4964 if (!strcmp(var->name, "nil")) {
4965 if (OPTS_FLAG(UNTYPED_NIL)) {
4966 if (!localblock || !OPTS_FLAG(PERMISSIVE))
4967 parseerror(parser, "name `nil` not allowed (try -fpermissive)");
4969 (void)!parsewarning(parser, WARN_RESERVED_NAMES, "variable name `nil` is reserved");
4972 /* Deal with end_sys_ vars */
4974 if (!strcmp(var->name, "end_sys_globals")) {
4976 parser->crc_globals = vec_size(parser->globals);
4979 else if (!strcmp(var->name, "end_sys_fields")) {
4981 parser->crc_fields = vec_size(parser->fields);
4984 if (was_end && var->expression.vtype == TYPE_FIELD) {
4985 if (parsewarning(parser, WARN_END_SYS_FIELDS,
4986 "global '%s' hint should not be a field",
4987 parser_tokval(parser)))
4994 if (!nofields && var->expression.vtype == TYPE_FIELD)
4996 /* deal with field declarations */
4997 old = parser_find_field(parser, var->name);
4999 if (parsewarning(parser, WARN_FIELD_REDECLARED, "field `%s` already declared here: %s:%i",
5000 var->name, ast_ctx(old).file, (int)ast_ctx(old).line))
5009 parseerror(parser, "field `%s` already declared here: %s:%i",
5010 var->name, ast_ctx(old).file, ast_ctx(old).line);
5015 if ((OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC || OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) &&
5016 (old = parser_find_global(parser, var->name)))
5018 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
5019 parseerror(parser, "field `%s` already declared here: %s:%i",
5020 var->name, ast_ctx(old).file, ast_ctx(old).line);
5027 /* deal with other globals */
5028 old = parser_find_global(parser, var->name);
5029 if (old && var->expression.vtype == TYPE_FUNCTION && old->expression.vtype == TYPE_FUNCTION)
5031 /* This is a function which had a prototype */
5032 if (!ast_istype(old, ast_value)) {
5033 parseerror(parser, "internal error: prototype is not an ast_value");
5037 proto = (ast_value*)old;
5038 proto->desc = var->desc;
5039 if (!ast_compare_type((ast_expression*)proto, (ast_expression*)var)) {
5040 parseerror(parser, "conflicting types for `%s`, previous declaration was here: %s:%i",
5042 ast_ctx(proto).file, ast_ctx(proto).line);
5046 /* we need the new parameter-names */
5047 for (i = 0; i < vec_size(proto->expression.params); ++i)
5048 ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
5049 if (!parser_check_qualifiers(parser, var, proto)) {
5056 proto->expression.flags |= var->expression.flags;
5064 if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
5065 "global `%s` already declared here: %s:%i",
5066 var->name, ast_ctx(old).file, ast_ctx(old).line))
5071 proto = (ast_value*)old;
5072 if (!ast_istype(old, ast_value)) {
5073 parseerror(parser, "internal error: not an ast_value");
5078 if (!parser_check_qualifiers(parser, var, proto)) {
5083 proto->expression.flags |= var->expression.flags;
5087 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC &&
5088 (old = parser_find_field(parser, var->name)))
5090 parseerror(parser, "cannot declare a field and a global of the same name with -std=qcc");
5091 parseerror(parser, "global `%s` already declared here: %s:%i",
5092 var->name, ast_ctx(old).file, ast_ctx(old).line);
5099 else /* it's not a global */
5101 old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
5102 if (old && !isparam) {
5103 parseerror(parser, "local `%s` already declared here: %s:%i",
5104 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
5108 old = parser_find_local(parser, var->name, 0, &isparam);
5109 if (old && isparam) {
5110 if (parsewarning(parser, WARN_LOCAL_SHADOWS,
5111 "local `%s` is shadowing a parameter", var->name))
5113 parseerror(parser, "local `%s` already declared here: %s:%i",
5114 var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
5118 if (OPTS_OPTION_U32(OPTION_STANDARD) != COMPILER_GMQCC) {
5126 /* in a noref section we simply bump the usecount */
5127 if (noref || parser->noref)
5131 * Create the global/local, and deal with vector types.
5134 if (var->expression.vtype == TYPE_VECTOR)
5136 else if (var->expression.vtype == TYPE_FIELD &&
5137 var->expression.next->expression.vtype == TYPE_VECTOR)
5141 if (!create_vector_members(var, me)) {
5148 /* deal with global variables, fields, functions */
5149 if (!nofields && var->expression.vtype == TYPE_FIELD && parser->tok != '=') {
5150 var->isfield = true;
5151 vec_push(parser->fields, (ast_expression*)var);
5152 util_htset(parser->htfields, var->name, var);
5154 for (i = 0; i < 3; ++i) {
5155 vec_push(parser->fields, (ast_expression*)me[i]);
5156 util_htset(parser->htfields, me[i]->name, me[i]);
5161 parser_addglobal(parser, var->name, (ast_expression*)var);
5163 for (i = 0; i < 3; ++i) {
5164 parser_addglobal(parser, me[i]->name, (ast_expression*)me[i]);
5170 /* a static adds itself to be generated like any other global
5171 * but is added to the local namespace instead
5173 char *defname = NULL;
5174 size_t prefix_len, ln;
5176 ln = strlen(parser->function->name);
5177 vec_append(defname, ln, parser->function->name);
5179 vec_append(defname, 2, "::");
5180 /* remember the length up to here */
5181 prefix_len = vec_size(defname);
5183 /* Add it to the local scope */
5184 util_htset(vec_last(parser->variables), var->name, (void*)var);
5188 vec_last(parser->correct_variables),
5189 &vec_last(parser->correct_variables_score),
5193 /* now rename the global */
5194 ln = strlen(var->name);
5195 vec_append(defname, ln, var->name);
5196 ast_value_set_name(var, defname);
5198 /* push it to the to-be-generated globals */
5199 vec_push(parser->globals, (ast_expression*)var);
5201 /* same game for the vector members */
5203 for (i = 0; i < 3; ++i) {
5204 util_htset(vec_last(parser->variables), me[i]->name, (void*)(me[i]));
5208 vec_last(parser->correct_variables),
5209 &vec_last(parser->correct_variables_score),
5213 vec_shrinkto(defname, prefix_len);
5214 ln = strlen(me[i]->name);
5215 vec_append(defname, ln, me[i]->name);
5216 ast_member_set_name(me[i], defname);
5218 vec_push(parser->globals, (ast_expression*)me[i]);
5223 vec_push(localblock->locals, var);
5224 parser_addlocal(parser, var->name, (ast_expression*)var);
5226 for (i = 0; i < 3; ++i) {
5227 parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
5228 ast_block_collect(localblock, (ast_expression*)me[i]);
5234 me[0] = me[1] = me[2] = NULL;
5239 if (var->expression.vtype == TYPE_ARRAY) {
5241 snprintf(name, sizeof(name), "%s##SET", var->name);
5242 if (!parser_create_array_setter(parser, var, name))
5244 snprintf(name, sizeof(name), "%s##GET", var->name);
5245 if (!parser_create_array_getter(parser, var, var->expression.next, name))
5248 else if (!localblock && !nofields &&
5249 var->expression.vtype == TYPE_FIELD &&
5250 var->expression.next->expression.vtype == TYPE_ARRAY)
5253 ast_expression *telem;
5255 ast_value *array = (ast_value*)var->expression.next;
5257 if (!ast_istype(var->expression.next, ast_value)) {
5258 parseerror(parser, "internal error: field element type must be an ast_value");
5262 snprintf(name, sizeof(name), "%s##SETF", var->name);
5263 if (!parser_create_array_field_setter(parser, array, name))
5266 telem = ast_type_copy(ast_ctx(var), array->expression.next);
5267 tfield = ast_value_new(ast_ctx(var), "<.type>", TYPE_FIELD);
5268 tfield->expression.next = telem;
5269 snprintf(name, sizeof(name), "%s##GETFP", var->name);
5270 if (!parser_create_array_getter(parser, array, (ast_expression*)tfield, name)) {
5278 if (parser->tok == ';') {
5279 ast_delete(basetype);
5280 if (!parser_next(parser)) {
5281 parseerror(parser, "error after variable declaration");
5287 if (parser->tok == ',')
5291 if (!var || (!localblock && !nofields && basetype->expression.vtype == TYPE_FIELD)) {
5294 parseerror(parser, "missing comma or semicolon while parsing variables");
5298 if (localblock && OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
5299 if (parsewarning(parser, WARN_LOCAL_CONSTANTS,
5300 "initializing expression turns variable `%s` into a constant in this standard",
5307 if (parser->tok != '{') {
5308 if (parser->tok != '=') {
5309 parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
5313 if (!parser_next(parser)) {
5314 parseerror(parser, "error parsing initializer");
5318 else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
5319 parseerror(parser, "expected '=' before function body in this standard");
5322 if (parser->tok == '#') {
5323 ast_function *func = NULL;
5326 parseerror(parser, "cannot declare builtins within functions");
5329 if (var->expression.vtype != TYPE_FUNCTION) {
5330 parseerror(parser, "unexpected builtin number, '%s' is not a function", var->name);
5333 if (!parser_next(parser)) {
5334 parseerror(parser, "expected builtin number");
5337 if (parser->tok != TOKEN_INTCONST) {
5338 parseerror(parser, "builtin number must be an integer constant");
5341 if (parser_token(parser)->constval.i < 0) {
5342 parseerror(parser, "builtin number must be an integer greater than zero");
5346 if (var->hasvalue) {
5347 (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
5348 "builtin `%s` has already been defined\n"
5349 " -> previous declaration here: %s:%i",
5350 var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
5354 func = ast_function_new(ast_ctx(var), var->name, var);
5356 parseerror(parser, "failed to allocate function for `%s`", var->name);
5359 vec_push(parser->functions, func);
5361 func->builtin = -parser_token(parser)->constval.i-1;
5364 if (!parser_next(parser)) {
5365 parseerror(parser, "expected comma or semicolon");
5367 ast_function_delete(func);
5368 var->constval.vfunc = NULL;
5372 else if (parser->tok == '{' || parser->tok == '[')
5375 parseerror(parser, "cannot declare functions within functions");
5380 ast_ctx(proto) = parser_ctx(parser);
5382 if (!parse_function_body(parser, var))
5384 ast_delete(basetype);
5385 for (i = 0; i < vec_size(parser->gotos); ++i)
5386 parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
5387 vec_free(parser->gotos);
5388 vec_free(parser->labels);
5391 ast_expression *cexp;
5394 cexp = parse_expression_leave(parser, true, false, false);
5399 cval = (ast_value*)cexp;
5400 if (cval != parser->nil &&
5401 (!ast_istype(cval, ast_value) || ((!cval->hasvalue || cval->cvq != CV_CONST) && !cval->isfield))
5404 parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
5408 if (!OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
5409 qualifier != CV_VAR)
5411 var->cvq = CV_CONST;
5413 if (cval == parser->nil)
5414 var->expression.flags |= AST_FLAG_INITIALIZED;
5417 var->hasvalue = true;
5418 if (cval->expression.vtype == TYPE_STRING)
5419 var->constval.vstring = parser_strdup(cval->constval.vstring);
5420 else if (cval->expression.vtype == TYPE_FIELD)
5421 var->constval.vfield = cval;
5423 memcpy(&var->constval, &cval->constval, sizeof(var->constval));
5429 shunt sy = { NULL, NULL, NULL, NULL };
5432 vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
5433 vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
5434 vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
5435 if (!parser_sy_apply_operator(parser, &sy))
5438 if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
5439 parseerror(parser, "internal error: leaked operands");
5440 if (!ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out))
5450 if (parser->tok == ',') {
5451 if (!parser_next(parser)) {
5452 parseerror(parser, "expected another variable");
5456 if (parser->tok != TOKEN_IDENT) {
5457 parseerror(parser, "expected another variable");
5460 var = ast_value_copy(basetype);
5462 ast_value_set_name(var, parser_tokval(parser));
5463 if (!parser_next(parser)) {
5464 parseerror(parser, "error parsing variable declaration");
5470 if (parser->tok != ';') {
5471 parseerror(parser, "missing semicolon after variables");
5475 if (!parser_next(parser)) {
5476 parseerror(parser, "parse error after variable declaration");
5480 ast_delete(basetype);
5484 if (cleanvar && var)
5486 ast_delete(basetype);
5490 ast_delete(basetype);
5491 if (cleanvar && var)
5493 if (me[0]) ast_member_delete(me[0]);
5494 if (me[1]) ast_member_delete(me[1]);
5495 if (me[2]) ast_member_delete(me[2]);
5499 static bool parser_global_statement(parser_t *parser)
5503 bool is_static = false;
5504 uint32_t qflags = 0;
5505 ast_value *istype = NULL;
5506 char *vstring = NULL;
5508 if (parser->tok == TOKEN_IDENT)
5509 istype = parser_find_typedef(parser, parser_tokval(parser), 0);
5511 if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
5513 return parse_variable(parser, NULL, false, CV_NONE, istype, false, false, 0, NULL);
5515 else if (parse_qualifiers(parser, false, &cvq, &noref, &is_static, &qflags, &vstring))
5517 if (cvq == CV_WRONG)
5519 return parse_variable(parser, NULL, true, cvq, NULL, noref, is_static, qflags, vstring);
5521 else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "enum"))
5523 return parse_enum(parser);
5525 else if (parser->tok == TOKEN_KEYWORD)
5527 if (!strcmp(parser_tokval(parser), "typedef")) {
5528 if (!parser_next(parser)) {
5529 parseerror(parser, "expected type definition after 'typedef'");
5532 return parse_typedef(parser);
5534 parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
5537 else if (parser->tok == '#')
5539 return parse_pragma(parser);
5541 else if (parser->tok == '$')
5543 if (!parser_next(parser)) {
5544 parseerror(parser, "parse error");
5550 parseerror(parser, "unexpected token: %s", parser->lex->tok.value);
5556 static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
5558 return util_crc16(old, str, strlen(str));
5561 static void progdefs_crc_file(const char *str)
5563 /* write to progdefs.h here */
5567 static uint16_t progdefs_crc_both(uint16_t old, const char *str)
5569 old = progdefs_crc_sum(old, str);
5570 progdefs_crc_file(str);
5574 static void generate_checksum(parser_t *parser)
5576 uint16_t crc = 0xFFFF;
5580 crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
5581 crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
5583 progdefs_crc_file("\tint\tpad;\n");
5584 progdefs_crc_file("\tint\tofs_return[3];\n");
5585 progdefs_crc_file("\tint\tofs_parm0[3];\n");
5586 progdefs_crc_file("\tint\tofs_parm1[3];\n");
5587 progdefs_crc_file("\tint\tofs_parm2[3];\n");
5588 progdefs_crc_file("\tint\tofs_parm3[3];\n");
5589 progdefs_crc_file("\tint\tofs_parm4[3];\n");
5590 progdefs_crc_file("\tint\tofs_parm5[3];\n");
5591 progdefs_crc_file("\tint\tofs_parm6[3];\n");
5592 progdefs_crc_file("\tint\tofs_parm7[3];\n");
5594 for (i = 0; i < parser->crc_globals; ++i) {
5595 if (!ast_istype(parser->globals[i], ast_value))
5597 value = (ast_value*)(parser->globals[i]);
5598 switch (value->expression.vtype) {
5599 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
5600 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
5601 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
5602 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
5604 crc = progdefs_crc_both(crc, "\tint\t");
5607 crc = progdefs_crc_both(crc, value->name);
5608 crc = progdefs_crc_both(crc, ";\n");
5610 crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
5611 for (i = 0; i < parser->crc_fields; ++i) {
5612 if (!ast_istype(parser->fields[i], ast_value))
5614 value = (ast_value*)(parser->fields[i]);
5615 switch (value->expression.next->expression.vtype) {
5616 case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
5617 case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
5618 case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
5619 case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
5621 crc = progdefs_crc_both(crc, "\tint\t");
5624 crc = progdefs_crc_both(crc, value->name);
5625 crc = progdefs_crc_both(crc, ";\n");
5627 crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
5632 static parser_t *parser;
5639 parser = (parser_t*)mem_a(sizeof(parser_t));
5643 memset(parser, 0, sizeof(*parser));
5645 for (i = 0; i < operator_count; ++i) {
5646 if (operators[i].id == opid1('=')) {
5647 parser->assign_op = operators+i;
5651 if (!parser->assign_op) {
5652 printf("internal error: initializing parser: failed to find assign operator\n");
5657 vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
5658 vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
5659 vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
5660 vec_push(parser->_blocktypedefs, 0);
5663 vec_push(parser->correct_variables, correct_trie_new());
5664 vec_push(parser->correct_variables_score, NULL);
5666 empty_ctx.file = "<internal>";
5668 parser->nil = ast_value_new(empty_ctx, "nil", TYPE_NIL);
5669 parser->nil->cvq = CV_CONST;
5670 if (OPTS_FLAG(UNTYPED_NIL))
5671 util_htset(parser->htglobals, "nil", (void*)parser->nil);
5673 parser->max_param_count = 1;
5675 parser->const_vec[0] = ast_value_new(empty_ctx, "<vector.x>", TYPE_NOEXPR);
5676 parser->const_vec[1] = ast_value_new(empty_ctx, "<vector.y>", TYPE_NOEXPR);
5677 parser->const_vec[2] = ast_value_new(empty_ctx, "<vector.z>", TYPE_NOEXPR);
5679 if (OPTS_OPTION_BOOL(OPTION_ADD_INFO)) {
5680 parser->reserved_version = ast_value_new(empty_ctx, "reserved:version", TYPE_STRING);
5681 parser->reserved_version->cvq = CV_CONST;
5682 parser->reserved_version->hasvalue = true;
5683 parser->reserved_version->expression.flags |= AST_FLAG_INCLUDE_DEF;
5684 parser->reserved_version->constval.vstring = util_strdup(GMQCC_FULL_VERSION_STRING);
5686 parser->reserved_version = NULL;
5691 bool parser_compile()
5693 /* initial lexer/parser state */
5694 parser->lex->flags.noops = true;
5696 if (parser_next(parser))
5698 while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
5700 if (!parser_global_statement(parser)) {
5701 if (parser->tok == TOKEN_EOF)
5702 parseerror(parser, "unexpected eof");
5703 else if (compile_errors)
5704 parseerror(parser, "there have been errors, bailing out");
5705 lex_close(parser->lex);
5711 parseerror(parser, "parse error");
5712 lex_close(parser->lex);
5717 lex_close(parser->lex);
5720 return !compile_errors;
5723 bool parser_compile_file(const char *filename)
5725 parser->lex = lex_open(filename);
5727 con_err("failed to open file \"%s\"\n", filename);
5730 return parser_compile();
5733 bool parser_compile_string(const char *name, const char *str, size_t len)
5735 parser->lex = lex_open_string(str, len, name);
5737 con_err("failed to create lexer for string \"%s\"\n", name);
5740 return parser_compile();
5743 void parser_cleanup()
5746 for (i = 0; i < vec_size(parser->accessors); ++i) {
5747 ast_delete(parser->accessors[i]->constval.vfunc);
5748 parser->accessors[i]->constval.vfunc = NULL;
5749 ast_delete(parser->accessors[i]);
5751 for (i = 0; i < vec_size(parser->functions); ++i) {
5752 ast_delete(parser->functions[i]);
5754 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
5755 ast_delete(parser->imm_vector[i]);
5757 for (i = 0; i < vec_size(parser->imm_string); ++i) {
5758 ast_delete(parser->imm_string[i]);
5760 for (i = 0; i < vec_size(parser->imm_float); ++i) {
5761 ast_delete(parser->imm_float[i]);
5763 for (i = 0; i < vec_size(parser->fields); ++i) {
5764 ast_delete(parser->fields[i]);
5766 for (i = 0; i < vec_size(parser->globals); ++i) {
5767 ast_delete(parser->globals[i]);
5769 vec_free(parser->accessors);
5770 vec_free(parser->functions);
5771 vec_free(parser->imm_vector);
5772 vec_free(parser->imm_string);
5773 vec_free(parser->imm_float);
5774 vec_free(parser->globals);
5775 vec_free(parser->fields);
5777 for (i = 0; i < vec_size(parser->variables); ++i)
5778 util_htdel(parser->variables[i]);
5779 vec_free(parser->variables);
5780 vec_free(parser->_blocklocals);
5781 vec_free(parser->_locals);
5784 for (i = 0; i < vec_size(parser->correct_variables); ++i) {
5785 correct_del(parser->correct_variables[i], parser->correct_variables_score[i]);
5787 vec_free(parser->correct_variables);
5788 vec_free(parser->correct_variables_score);
5791 for (i = 0; i < vec_size(parser->_typedefs); ++i)
5792 ast_delete(parser->_typedefs[i]);
5793 vec_free(parser->_typedefs);
5794 for (i = 0; i < vec_size(parser->typedefs); ++i)
5795 util_htdel(parser->typedefs[i]);
5796 vec_free(parser->typedefs);
5797 vec_free(parser->_blocktypedefs);
5799 vec_free(parser->_block_ctx);
5801 vec_free(parser->labels);
5802 vec_free(parser->gotos);
5803 vec_free(parser->breaks);
5804 vec_free(parser->continues);
5806 ast_value_delete(parser->nil);
5808 ast_value_delete(parser->const_vec[0]);
5809 ast_value_delete(parser->const_vec[1]);
5810 ast_value_delete(parser->const_vec[2]);
5815 bool parser_finish(const char *output)
5821 if (compile_errors) {
5822 con_out("*** there were compile errors\n");
5826 ir = ir_builder_new("gmqcc_out");
5828 con_out("failed to allocate builder\n");
5832 for (i = 0; i < vec_size(parser->fields); ++i) {
5835 if (!ast_istype(parser->fields[i], ast_value))
5837 field = (ast_value*)parser->fields[i];
5838 hasvalue = field->hasvalue;
5839 field->hasvalue = false;
5840 if (!ast_global_codegen((ast_value*)field, ir, true)) {
5841 con_out("failed to generate field %s\n", field->name);
5842 ir_builder_delete(ir);
5847 ast_expression *subtype;
5848 field->hasvalue = true;
5849 subtype = field->expression.next;
5850 ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
5851 if (subtype->expression.vtype == TYPE_FIELD)
5852 ifld->fieldtype = subtype->expression.next->expression.vtype;
5853 else if (subtype->expression.vtype == TYPE_FUNCTION)
5854 ifld->outtype = subtype->expression.next->expression.vtype;
5855 (void)!ir_value_set_field(field->ir_v, ifld);
5858 for (i = 0; i < vec_size(parser->globals); ++i) {
5860 if (!ast_istype(parser->globals[i], ast_value))
5862 asvalue = (ast_value*)(parser->globals[i]);
5863 if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
5864 retval = retval && !compile_warning(ast_ctx(asvalue), WARN_UNUSED_VARIABLE,
5865 "unused global: `%s`", asvalue->name);
5867 if (!ast_global_codegen(asvalue, ir, false)) {
5868 con_out("failed to generate global %s\n", asvalue->name);
5869 ir_builder_delete(ir);
5873 /* Build function vararg accessor ast tree now before generating
5874 * immediates, because the accessors may add new immediates
5876 for (i = 0; i < vec_size(parser->functions); ++i) {
5877 ast_function *f = parser->functions[i];
5879 if (parser->max_param_count > vec_size(f->vtype->expression.params)) {
5880 f->varargs->expression.count = parser->max_param_count - vec_size(f->vtype->expression.params);
5881 if (!parser_create_array_setter_impl(parser, f->varargs)) {
5882 con_out("failed to generate vararg setter for %s\n", f->name);
5883 ir_builder_delete(ir);
5886 if (!parser_create_array_getter_impl(parser, f->varargs)) {
5887 con_out("failed to generate vararg getter for %s\n", f->name);
5888 ir_builder_delete(ir);
5892 ast_delete(f->varargs);
5897 /* Now we can generate immediates */
5898 for (i = 0; i < vec_size(parser->imm_float); ++i) {
5899 if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
5900 con_out("failed to generate global %s\n", parser->imm_float[i]->name);
5901 ir_builder_delete(ir);
5905 for (i = 0; i < vec_size(parser->imm_string); ++i) {
5906 if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
5907 con_out("failed to generate global %s\n", parser->imm_string[i]->name);
5908 ir_builder_delete(ir);
5912 for (i = 0; i < vec_size(parser->imm_vector); ++i) {
5913 if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
5914 con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
5915 ir_builder_delete(ir);
5919 for (i = 0; i < vec_size(parser->globals); ++i) {
5921 if (!ast_istype(parser->globals[i], ast_value))
5923 asvalue = (ast_value*)(parser->globals[i]);
5924 if (!(asvalue->expression.flags & AST_FLAG_INITIALIZED))
5926 if (asvalue->cvq == CV_CONST && !asvalue->hasvalue)
5927 (void)!compile_warning(ast_ctx(asvalue), WARN_UNINITIALIZED_CONSTANT,
5928 "uninitialized constant: `%s`",
5930 else if ((asvalue->cvq == CV_NONE || asvalue->cvq == CV_CONST) && !asvalue->hasvalue)
5931 (void)!compile_warning(ast_ctx(asvalue), WARN_UNINITIALIZED_GLOBAL,
5932 "uninitialized global: `%s`",
5935 if (!ast_generate_accessors(asvalue, ir)) {
5936 ir_builder_delete(ir);
5940 for (i = 0; i < vec_size(parser->fields); ++i) {
5942 asvalue = (ast_value*)(parser->fields[i]->expression.next);
5944 if (!ast_istype((ast_expression*)asvalue, ast_value))
5946 if (asvalue->expression.vtype != TYPE_ARRAY)
5948 if (!ast_generate_accessors(asvalue, ir)) {
5949 ir_builder_delete(ir);
5953 if (parser->reserved_version &&
5954 !ast_global_codegen(parser->reserved_version, ir, false))
5956 con_out("failed to generate reserved::version");
5957 ir_builder_delete(ir);
5960 for (i = 0; i < vec_size(parser->functions); ++i) {
5961 ast_function *f = parser->functions[i];
5962 if (!ast_function_codegen(f, ir)) {
5963 con_out("failed to generate function %s\n", f->name);
5964 ir_builder_delete(ir);
5968 if (OPTS_OPTION_BOOL(OPTION_DUMP))
5969 ir_builder_dump(ir, con_out);
5970 for (i = 0; i < vec_size(parser->functions); ++i) {
5971 if (!ir_function_finalize(parser->functions[i]->ir_func)) {
5972 con_out("failed to finalize function %s\n", parser->functions[i]->name);
5973 ir_builder_delete(ir);
5978 if (compile_Werrors) {
5979 con_out("*** there were warnings treated as errors\n");
5980 compile_show_werrors();
5985 if (OPTS_OPTION_BOOL(OPTION_DUMPFIN))
5986 ir_builder_dump(ir, con_out);
5988 generate_checksum(parser);
5990 if (!ir_builder_generate(ir, output)) {
5991 con_out("*** failed to generate output file\n");
5992 ir_builder_delete(ir);
5997 ir_builder_delete(ir);